/* ==========================================================================
   ElectroCircuit Rapid Lab - 3D Printing & CNC Rapid Prototyping CSS
   Theme: Industrial Cyberpunk / Dark Glassmorphism / Modern High-Tech
   ========================================================================== */

:root {
    --rp-bg-dark: #141824;
    --rp-bg-panel: #1c2230;
    --rp-bg-card: #1c2230;
    --rp-bg-card-hover: #242c3d;
    --rp-bg-card-active: rgba(0, 242, 254, 0.12);
    --rp-bg-input: #0f1422;
    --rp-bg-glass: rgba(20, 24, 36, 0.85);

    --rp-cyan: #00f2fe;
    --rp-blue: #4facfe;
    --rp-neon: #00e5ff;
    --rp-magenta: #ff007f;
    --rp-gold: #ffb703;
    --rp-green: #00e676;
    --rp-orange: #ff9100;
    --rp-purple: #7928ca;

    --rp-text-main: #f8fafc;
    --rp-text-sub: #cbd5e1;
    --rp-text-muted: #94a3b8;
    --rp-text-dim: #64748b;

    --rp-border: rgba(255, 255, 255, 0.08);
    --rp-border-light: rgba(255, 255, 255, 0.15);
    --rp-border-accent: rgba(0, 242, 254, 0.4);
    --rp-border-active: #00f2fe;

    --rp-shadow-card: 0 10px 30px rgba(0, 0, 0, 0.4);
    --rp-shadow-glow: 0 0 25px rgba(0, 242, 254, 0.2);
    --rp-shadow-neon: 0 0 35px rgba(0, 242, 254, 0.35);

    --rp-radius-sm: 8px;
    --rp-radius-md: 14px;
    --rp-radius-lg: 20px;
    --rp-radius-full: 9999px;

    --rp-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Mode Variables & Theme Overrides for CNC / Rapid Prototyping (Tone Trắng Hồng đồng bộ index.html) */
html[data-theme="light"],
body.light-mode {
    --rp-bg-dark: #fff8f8;
    --rp-bg-panel: #ffffff;
    --rp-bg-card: #ffffff;
    --rp-bg-card-hover: #fff0f2;
    --rp-bg-card-active: rgba(225, 29, 72, 0.08);
    --rp-bg-input: #fff0f2;
    --rp-bg-glass: rgba(255, 248, 248, 0.95);

    --rp-cyan: #0284c7;
    --rp-blue: #0284c7;
    --rp-neon: #e11d48;
    --rp-magenta: #c026d3;
    --rp-gold: #d97706;
    --rp-green: #15803d;
    --rp-orange: #ea580c;
    --rp-purple: #7c3aed;

    --rp-text-main: #0f172a;
    --rp-text-sub: #1e293b;
    --rp-text-muted: #334155;
    --rp-text-dim: #475569;

    --rp-border: rgba(254, 205, 211, 0.85);
    --rp-border-light: #fecdd3;
    --rp-border-accent: rgba(225, 29, 72, 0.35);
    --rp-border-active: #0284c7;

    --rp-shadow-card: 0 4px 20px rgba(225, 29, 72, 0.05);
    --rp-shadow-glow: 0 0 25px rgba(225, 29, 72, 0.12);
    --rp-shadow-neon: 0 0 35px rgba(225, 29, 72, 0.2);
}

body.rp-main-wrapper,
html[data-theme="dark"] .rp-main-wrapper {
    background-color: var(--rp-bg-dark) !important;
    color: var(--rp-text-main) !important;
}

html[data-theme="light"] .rp-main-wrapper,
body.light-mode.rp-main-wrapper {
    background: radial-gradient(circle at 15% 10%, rgba(225, 29, 72, 0.04) 0%, transparent 40%),
                radial-gradient(circle at 85% 85%, rgba(2, 132, 199, 0.04) 0%, transparent 40%),
                #fff8f8 !important;
    color: #0f172a !important;
}

/* Header & Top Banner - Đồng bộ tone trắng hồng như index.html */
html[data-theme="light"] .top-banner,
body.light-mode .top-banner {
    background: linear-gradient(90deg, #ffe4e6, #fff1f2, #ffe4e6) !important;
    border-bottom: 1px solid #fecdd3 !important;
    color: #9f1239 !important;
}
html[data-theme="light"] .top-banner-msg,
body.light-mode .top-banner-msg {
    color: #9f1239 !important;
    font-weight: 700 !important;
}
html[data-theme="light"] .code-badge,
body.light-mode .code-badge {
    background: rgba(225, 29, 72, 0.12) !important;
    color: #e11d48 !important;
    border-color: #fda4af !important;
    font-weight: 700 !important;
}
html[data-theme="light"] .top-links,
body.light-mode .top-links,
html[data-theme="light"] .top-links a,
body.light-mode .top-links a {
    color: #881337 !important;
    font-weight: 700 !important;
}
html[data-theme="light"] .top-links a:hover,
body.light-mode .top-links a:hover {
    color: #e11d48 !important;
}
html[data-theme="light"] .main-header,
body.light-mode .main-header {
    background: rgba(255, 248, 248, 0.95) !important;
    border-bottom: 1px solid rgba(254, 205, 211, 0.9) !important;
    box-shadow: 0 4px 20px rgba(225, 29, 72, 0.05) !important;
}
html[data-theme="light"] .brand-name,
body.light-mode .brand-name {
    color: #0f172a !important;
    font-weight: 900 !important;
}
html[data-theme="light"] .brand-sub,
body.light-mode .brand-sub {
    color: #0369a1 !important;
    font-weight: 700 !important;
}
html[data-theme="light"] .nav-link,
body.light-mode .nav-link {
    color: #1e293b !important;
    font-weight: 700 !important;
}
html[data-theme="light"] .nav-link:hover,
body.light-mode .nav-link:hover,
html[data-theme="light"] .nav-link.active,
body.light-mode .nav-link.active {
    color: #0284c7 !important;
    background: rgba(2, 132, 199, 0.08) !important;
    font-weight: 800 !important;
}
html[data-theme="light"] #search-input,
body.light-mode #search-input {
    background: #fff0f2 !important;
    border: 1px solid #fecdd3 !important;
    color: #0f172a !important;
    font-weight: 600 !important;
}
html[data-theme="light"] #search-input::placeholder,
body.light-mode #search-input::placeholder {
    color: #9f1239 !important;
    opacity: 0.7;
    font-weight: 500;
}

/* Hero Section */
html[data-theme="light"] .rp-hero {
    background: linear-gradient(180deg, #ffffff 0%, #fff8f8 100%) !important;
    border-bottom: 1px solid rgba(254, 205, 211, 0.85) !important;
}
html[data-theme="light"] .rp-hero-title {
    color: #0f172a !important;
    font-weight: 900 !important;
    text-shadow: none !important;
}
html[data-theme="light"] .rp-title-accent-cyan {
    background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    filter: none !important;
}
html[data-theme="light"] .rp-title-accent-gold {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    filter: none !important;
}
html[data-theme="light"] .rp-hero-desc {
    color: #1e293b !important;
    font-weight: 600 !important;
}
html[data-theme="light"] .rp-feature-pill {
    background: #ffffff !important;
    border: 1.5px solid #fecdd3 !important;
    color: #0f172a !important;
    font-weight: 700 !important;
}

/* Section Box & Cards */
html[data-theme="light"] .rp-section-box,
html[data-theme="light"] .rp-viewer-container,
html[data-theme="light"] .rp-order-summary-card,
html[data-theme="light"] .rp-mat-modal-content,
html[data-theme="light"] .rp-order-modal-content {
    background: #ffffff !important;
    border: 1.5px solid rgba(254, 205, 211, 0.85) !important;
    box-shadow: 0 4px 20px rgba(225, 29, 72, 0.05) !important;
}
html[data-theme="light"] .rp-section-title {
    color: #0f172a !important;
    font-weight: 900 !important;
}
html[data-theme="light"] .rp-section-sub {
    color: #334155 !important;
    font-weight: 600 !important;
}

/* Technology Tabs */
html[data-theme="light"] .rp-tech-tab-btn {
    background: #ffffff !important;
    border: 1.5px solid rgba(254, 205, 211, 0.85) !important;
}
html[data-theme="light"] .rp-tech-tab-btn:hover {
    border-color: #0284c7 !important;
    background: #fff0f2 !important;
}
html[data-theme="light"] .rp-tech-tab-btn.active {
    background: #fff0f2 !important;
    border: 2px solid #0284c7 !important;
    box-shadow: 0 4px 15px rgba(2, 132, 199, 0.15) !important;
}
html[data-theme="light"] .rp-tech-name {
    color: #0f172a !important;
    font-weight: 900 !important;
}
html[data-theme="light"] .rp-tech-desc {
    color: #334155 !important;
    font-weight: 600 !important;
}
html[data-theme="light"] .rp-tech-badge {
    background: #fdf2f8 !important;
    color: #be185d !important;
    border: 1px solid #fbcfe8 !important;
    font-weight: 800 !important;
}

/* Material Cards */
html[data-theme="light"] .rp-mat-card {
    background: #ffffff !important;
    border: 1.5px solid rgba(254, 205, 211, 0.85) !important;
}
html[data-theme="light"] .rp-mat-card:hover {
    border-color: #0284c7 !important;
    background: #fff0f2 !important;
}
html[data-theme="light"] .rp-mat-card.active {
    background: #fff0f2 !important;
    border: 2px solid #0284c7 !important;
    box-shadow: 0 4px 15px rgba(2, 132, 199, 0.15) !important;
}
html[data-theme="light"] .rp-mat-name {
    color: #0f172a !important;
    font-weight: 900 !important;
}
html[data-theme="light"] .rp-mat-desc {
    color: #334155 !important;
    font-weight: 600 !important;
}
html[data-theme="light"] .rp-mat-prop {
    color: #1e293b !important;
    font-weight: 700 !important;
}
html[data-theme="light"] .rp-mat-badge {
    background: #e0f2fe !important;
    color: #0369a1 !important;
    border: 1px solid #bae6fd !important;
    font-weight: 800 !important;
}
html[data-theme="light"] .rp-mat-price {
    color: #0284c7 !important;
    font-weight: 900 !important;
}

/* Finish & Quantity Cards */
html[data-theme="light"] .rp-finish-card,
html[data-theme="light"] .rp-qty-tier-card,
html[data-theme="light"] .rp-analytic-card,
html[data-theme="light"] .rp-custom-qty-row,
html[data-theme="light"] .rp-part-card-item {
    background: #ffffff !important;
    border: 1.5px solid rgba(254, 205, 211, 0.85) !important;
}
html[data-theme="light"] .rp-finish-card:hover,
html[data-theme="light"] .rp-qty-tier-card:hover {
    border-color: #0284c7 !important;
    background: #fff0f2 !important;
}
html[data-theme="light"] .rp-finish-card.active,
html[data-theme="light"] .rp-qty-tier-card.active,
html[data-theme="light"] .rp-part-card-item.active {
    background: #fff0f2 !important;
    border: 2px solid #0284c7 !important;
}
html[data-theme="light"] .rp-finish-name,
html[data-theme="light"] .rp-qty-val,
html[data-theme="light"] .rp-analytic-val {
    color: #0f172a !important;
    font-weight: 900 !important;
}
html[data-theme="light"] .rp-finish-desc,
html[data-theme="light"] .rp-analytic-lbl {
    color: #334155 !important;
    font-weight: 600 !important;
}
html[data-theme="light"] .rp-qty-disc {
    color: #15803d !important;
    font-weight: 800 !important;
}
html[data-theme="light"] .rp-qty-price {
    color: #0284c7 !important;
    font-weight: 900 !important;
}

/* Dropzone */
html[data-theme="light"] .rp-dropzone {
    background: #fff8f8 !important;
    border: 2px dashed #fda4af !important;
}
html[data-theme="light"] .rp-dropzone:hover {
    background: #fff0f2 !important;
    border-color: #e11d48 !important;
}
html[data-theme="light"] .rp-dropzone-title {
    color: #0f172a !important;
    font-weight: 900 !important;
}
html[data-theme="light"] .rp-dropzone-sub {
    color: #334155 !important;
    font-weight: 600 !important;
}
html[data-theme="light"] .rp-format-badge {
    background: #fff0f2 !important;
    color: #9f1239 !important;
    border: 1px solid #fecdd3 !important;
    font-weight: 800 !important;
}

/* Inputs & Form Controls */
html[data-theme="light"] .rp-input,
html[data-theme="light"] .rp-select {
    background: #ffffff !important;
    border: 1.5px solid #cbd5e1 !important;
    color: #0f172a !important;
    font-weight: 600 !important;
}
html[data-theme="light"] .rp-form-group label {
    color: #1e293b !important;
    font-weight: 700 !important;
}

/* 3D Viewer Header Tabs */
html[data-theme="light"] .rp-viewer-header-tabs {
    background: #ffffff !important;
    border-bottom: 1.5px solid #cbd5e1 !important;
}
html[data-theme="light"] .rp-viewer-tab-group {
    background: #f1f5f9 !important;
    border: 1.5px solid #cbd5e1 !important;
}
html[data-theme="light"] .rp-viewer-tab-btn {
    color: #475569 !important;
    font-weight: 700 !important;
    background: transparent !important;
}
html[data-theme="light"] .rp-viewer-tab-btn:hover {
    color: #0f172a !important;
    background: rgba(0, 0, 0, 0.05) !important;
}
html[data-theme="light"] .rp-viewer-tab-btn.active {
    background: #0284c7 !important;
    color: #ffffff !important;
    font-weight: 800 !important;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3) !important;
}
html[data-theme="light"] .rp-viewer-quick-colors {
    background: #f8fafc !important;
    border: 1.5px solid #cbd5e1 !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04) !important;
}
html[data-theme="light"] .rp-viewer-quick-colors span {
    color: #334155 !important;
    font-weight: 700 !important;
}
html[data-theme="light"] .rp-viewer-badge {
    background: #e0f2fe !important;
    border: 1.5px solid #0284c7 !important;
    color: #0369a1 !important;
    font-weight: 800 !important;
}
html[data-theme="light"] .rp-diff-controls-bar,
html[data-theme="light"] .rp-slice-controls-bar {
    background: #f8fafc !important;
    border-bottom: 1.5px solid #cbd5e1 !important;
}
html[data-theme="light"] .rp-diff-slot.base {
    background: #fff1f2 !important;
    border-color: #e11d48 !important;
    color: #be123c !important;
    font-weight: 800 !important;
}
html[data-theme="light"] .rp-diff-slot.target {
    background: #f0fdf4 !important;
    border-color: #16a34a !important;
    color: #15803d !important;
    font-weight: 800 !important;
}
html[data-theme="light"] .rp-diff-slot select {
    background: #ffffff !important;
    color: #0f172a !important;
    border: 1.5px solid #cbd5e1 !important;
    font-weight: 700 !important;
}
html[data-theme="light"] .rp-axis-btn {
    background: #ffffff !important;
    color: #1e293b !important;
    border: 1.5px solid #cbd5e1 !important;
    font-weight: 700 !important;
}
html[data-theme="light"] .rp-axis-btn:hover {
    background: #f0f9ff !important;
    border-color: #0284c7 !important;
    color: #0284c7 !important;
}
html[data-theme="light"] .rp-axis-btn.active {
    background: #0284c7 !important;
    color: #ffffff !important;
    font-weight: 800 !important;
    border-color: #0284c7 !important;
    box-shadow: 0 4px 10px rgba(2, 132, 199, 0.25) !important;
}
html[data-theme="light"] .rp-diff-target-btn.part-a {
    background: #fff1f2 !important;
    border: 1.5px solid #e11d48 !important;
    color: #be123c !important;
    font-weight: 700 !important;
}
html[data-theme="light"] .rp-diff-target-btn.part-a.active {
    background: #e11d48 !important;
    color: #ffffff !important;
    font-weight: 800 !important;
}
html[data-theme="light"] .rp-diff-target-btn.part-b {
    background: #f0fdf4 !important;
    border: 1.5px solid #16a34a !important;
    color: #15803d !important;
    font-weight: 700 !important;
}
html[data-theme="light"] .rp-diff-target-btn.part-b.active {
    background: #16a34a !important;
    color: #ffffff !important;
    font-weight: 800 !important;
}
html[data-theme="light"] .rp-diff-legend,
html[data-theme="light"] .rp-diff-slider-wrap {
    color: #1e293b !important;
    font-weight: 700 !important;
}
html[data-theme="light"] .rp-viewer-dimensions {
    background: rgba(255, 255, 255, 0.96) !important;
    border: 1.5px solid #0284c7 !important;
    color: #0284c7 !important;
    font-weight: 800 !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1) !important;
}
html[data-theme="light"] .rp-viewer-dimensions span {
    color: #0284c7 !important;
    font-weight: 800 !important;
}
html[data-theme="light"] .rp-viewer-help {
    background: rgba(255, 255, 255, 0.96) !important;
    border: 1.5px solid #cbd5e1 !important;
    color: #0f172a !important;
    font-weight: 700 !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1) !important;
}
html[data-theme="light"] .rp-viewer-help i {
    color: #0284c7 !important;
}
html[data-theme="light"] .rp-viewer-toolbar {
    background: #ffffff !important;
    border: 1.5px solid #cbd5e1 !important;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12) !important;
}
html[data-theme="light"] .rp-viewer-toolbar span {
    background: #cbd5e1 !important;
}
html[data-theme="light"] .rp-view-tool-btn {
    background: #f1f5f9 !important;
    color: #334155 !important;
    border: 1.5px solid #cbd5e1 !important;
}
html[data-theme="light"] .rp-view-tool-btn i {
    color: #334155 !important;
    filter: none !important;
}
html[data-theme="light"] .rp-view-tool-btn:hover {
    background: #e0f2fe !important;
    border-color: #0284c7 !important;
    color: #0284c7 !important;
    transform: translateY(-2px);
}
html[data-theme="light"] .rp-view-tool-btn:hover i {
    color: #0284c7 !important;
}
html[data-theme="light"] .rp-view-tool-btn.active {
    background: #0284c7 !important;
    border-color: #0369a1 !important;
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.45) !important;
    transform: scale(1.08);
}
html[data-theme="light"] .rp-view-tool-btn.active i {
    color: #ffffff !important;
    filter: none !important;
}

/* Order Summary */
html[data-theme="light"] .rp-summary-title {
    color: #0f172a !important;
    font-weight: 900 !important;
}
html[data-theme="light"] .rp-summary-row {
    border-bottom: 1px solid #e2e8f0 !important;
}
html[data-theme="light"] .rp-summary-lbl {
    color: #1e293b !important;
    font-weight: 700 !important;
}
html[data-theme="light"] .rp-summary-val {
    color: #0f172a !important;
    font-weight: 800 !important;
}
html[data-theme="light"] .rp-summary-total-val {
    color: #0284c7 !important;
    font-weight: 900 !important;
}
html[data-theme="light"] .rp-price-unit {
    color: #334155 !important;
    font-weight: 700 !important;
}
html[data-theme="light"] .rp-summary-note {
    background: #fef3c7 !important;
    border: 1px solid #fde68a !important;
    color: #78350f !important;
    font-weight: 700 !important;
}
html[data-theme="light"] .rp-mesh-analytics-bar {
    background: #f8fafc !important;
    border-top: 1px solid #cbd5e1 !important;
}

/* Light Mode Payment Modal & Order Dialog on CNC */
html[data-theme="light"] .payment-info-box,
body.light-mode .payment-info-box {
    background: #f8fafc;
    border: 1px solid #cbd5e1;
}
html[data-theme="light"] .detail-row,
body.light-mode .detail-row {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
}
html[data-theme="light"] .detail-label,
body.light-mode .detail-label,
.detail-label {
    color: #ffffff !important;
    font-weight: 500 !important;
}
html[data-theme="light"] .detail-value,
body.light-mode .detail-value,
.detail-value {
    color: #ffffff !important;
    font-weight: 700 !important;
}
html[data-theme="light"] .payment-amount,
body.light-mode .payment-amount {
    color: #0f172a !important;
    font-weight: 900 !important;
}

/* Page Layout */
.rp-main-wrapper {
    min-height: 100vh;
    padding-bottom: 120px;
    position: relative;
    zoom: 0.95;
    background: radial-gradient(circle at 20% 15%, rgba(79, 172, 254, 0.08) 0%, transparent 40%),
                radial-gradient(circle at 80% 80%, rgba(255, 0, 127, 0.05) 0%, transparent 40%),
                var(--rp-bg-dark);
}

.rp-main-wrapper .container {
    max-width: 95%;
    width: 95%;
    padding: 0 0.6rem;
    margin: 0 auto;
}

/* Page Header / Hero Banner */
.rp-hero {
    padding: 2.5rem 0 2rem;
    border-bottom: 1px solid var(--rp-border);
    background: linear-gradient(180deg, rgba(17, 23, 38, 0.6) 0%, rgba(9, 13, 22, 0.3) 100%);
    position: relative;
    overflow: hidden;
}

.rp-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.9rem;
    border-radius: var(--rp-radius-full);
    background: rgba(0, 242, 254, 0.1);
    border: 1px solid var(--rp-border-accent);
    color: var(--rp-cyan);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.85rem;
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
}

.rp-hero-title {
    font-size: 2.35rem;
    font-weight: 900;
    line-height: 1.25;
    margin-bottom: 0.65rem;
    color: #ffffff;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
}

.rp-title-accent-cyan {
    background: linear-gradient(135deg, #00f2fe 0%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 900;
    filter: drop-shadow(0 0 12px rgba(0, 242, 254, 0.45));
}

.rp-title-accent-gold {
    background: linear-gradient(135deg, #ffb703 0%, #ff9100 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 900;
    filter: drop-shadow(0 0 12px rgba(255, 183, 3, 0.4));
}

.rp-hero-desc {
    color: var(--rp-text-muted);
    font-size: 1.05rem;
    max-width: 820px;
}

.rp-hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.rp-feature-pill {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--rp-text-sub);
}

.rp-feature-pill i {
    color: var(--rp-green);
}

/* Service Navigation Tabs (Tech Bar) */
.rp-tech-tabs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin: 2rem 0 2.5rem;
}

.rp-tech-tab-btn {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 1.1rem 1.25rem;
    background: var(--rp-bg-panel);
    border: 1px solid var(--rp-border);
    border-radius: var(--rp-radius-md);
    cursor: pointer;
    transition: var(--rp-transition);
    position: relative;
    overflow: hidden;
    text-align: left;
}

.rp-tech-tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: transparent;
    transition: var(--rp-transition);
}

.rp-tech-tab-btn:hover {
    border-color: var(--rp-border-light);
    background: var(--rp-bg-card-hover);
    transform: translateY(-2px);
}

.rp-tech-tab-btn.active {
    background: var(--rp-bg-card-active);
    border-color: var(--rp-cyan);
    box-shadow: var(--rp-shadow-glow);
}

.rp-tech-tab-btn.active::before {
    background: var(--rp-cyan);
}

.rp-tab-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 0.35rem;
}

.rp-tab-icon {
    font-size: 1.35rem;
    color: var(--rp-cyan);
}

.rp-tab-tag {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border-radius: var(--rp-radius-full);
    background: rgba(255, 255, 255, 0.08);
    color: var(--rp-text-muted);
    font-weight: 600;
}

.rp-tech-tab-btn.active .rp-tab-tag {
    background: rgba(0, 242, 254, 0.2);
    color: var(--rp-cyan);
}

.rp-tab-title {
    font-weight: 700;
    font-size: 1rem;
    color: var(--rp-text-main);
    margin-bottom: 0.15rem;
}

.rp-tab-subtitle {
    font-size: 0.78rem;
    color: var(--rp-text-muted);
    line-height: 1.3;
}

/* Three-column Main Workspace Layout */
.rp-workspace {
    display: grid;
    grid-template-columns: minmax(320px, 1.15fr) minmax(440px, 1.75fr) minmax(310px, 350px);
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 1360px) {
    .rp-workspace {
        grid-template-columns: 1fr 1.35fr 320px;
        gap: 1.25rem;
    }
}

@media (max-width: 1100px) {
    .rp-workspace {
        grid-template-columns: 1fr 1fr;
    }
    .rp-summary-col {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .rp-workspace {
        grid-template-columns: 1fr;
    }
    .rp-summary-col {
        grid-column: span 1;
    }
}

/* Column 1: Configurator Options (Hiển thị toàn bộ nội dung tự nhiên) */
.rp-config-col {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
}

/* Column 2: 3D Preview Viewer (Luôn ghim cố định ở giữa trang khi cuộn) */
.rp-viewer-col {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: sticky;
    top: 80px;
    align-self: start;
    z-index: 20;
    min-width: 0;
}

/* Column 3: Summary (Ghim cố định cùng Cột 2) */
.rp-summary-col {
    position: sticky;
    top: 80px;
    align-self: start;
    z-index: 20;
    min-width: 0;
}

@media (max-width: 1100px) {
    .rp-viewer-col,
    .rp-summary-col {
        position: static !important;
    }
}

/* Section Box */
.rp-section-box {
    background: var(--rp-bg-panel);
    border: 1px solid var(--rp-border);
    border-radius: var(--rp-radius-lg);
    padding: 1.15rem;
    box-shadow: var(--rp-shadow-card);
    position: relative;
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
}

.rp-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.85rem;
    padding-bottom: 0.65rem;
    border-bottom: 1px solid var(--rp-border);
    flex-wrap: nowrap;
    white-space: nowrap;
    min-width: 0;
}

.rp-step-title {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 1.02rem;
    font-weight: 800;
    color: var(--rp-text-main);
    white-space: nowrap;
    flex-shrink: 1;
    min-width: 0;
}

.rp-step-num {
    width: 24px;
    height: 24px;
    min-width: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--rp-blue), var(--rp-cyan));
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 800;
    flex-shrink: 0;
}

.rp-step-badge {
    font-size: 0.74rem;
    font-weight: 800;
    padding: 0.18rem 0.55rem;
    border-radius: var(--rp-radius-full);
    background: rgba(0, 242, 254, 0.12);
    color: var(--rp-cyan);
    border: 1px solid rgba(0, 242, 254, 0.3);
    white-space: nowrap;
    flex-shrink: 0;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

html[data-theme="light"] .rp-step-badge,
body.light-mode .rp-step-badge {
    background: #e0f2fe !important;
    color: #0284c7 !important;
    border: 1px solid #7dd3fc !important;
    font-weight: 800 !important;
}

/* 1. File Upload Dropzone (Rộng thêm 1/3) */
.rp-dropzone {
    border: 1.5px dashed var(--rp-border-light);
    border-radius: var(--rp-radius-md);
    background: var(--rp-bg-input);
    padding: 0.75rem 1.15rem;
    cursor: pointer;
    transition: var(--rp-transition);
    position: relative;
    overflow: hidden;
}

.rp-dropzone:hover, .rp-dropzone.dragover {
    border-color: var(--rp-cyan);
    background: rgba(0, 242, 254, 0.04);
    box-shadow: var(--rp-shadow-glow);
}

.rp-dropzone-main-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.rp-dropzone-left {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex: 1;
    min-width: 0;
}

.rp-upload-icon-badge {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.35) 0%, rgba(99, 102, 241, 0.3) 100%);
    border: 1.5px solid #8b5cf6;
    color: #c084fc;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
    box-shadow: 0 0 12px rgba(124, 58, 237, 0.3);
    transition: var(--rp-transition);
}

.rp-dropzone:hover .rp-upload-icon-badge {
    transform: scale(1.08);
    border-color: #a78bfa;
    box-shadow: 0 0 16px rgba(167, 139, 250, 0.45);
}

.rp-dropzone-text-group {
    display: flex;
    flex-direction: column;
    text-align: left;
    min-width: 0;
}

.rp-dropzone-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--rp-text-main);
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rp-dropzone-support {
    color: var(--rp-text-muted);
    font-size: 0.78rem;
    font-weight: 400;
    margin-left: 6px;
}

.rp-selected-file-label {
    font-size: 0.82rem;
    color: var(--rp-text-sub);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 3px;
}

.rp-selected-filename {
    color: var(--rp-cyan);
    font-family: var(--font-mono);
    font-weight: 700;
}

.rp-dropzone-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-shrink: 0;
}

.rp-btn-upload-file {
    background: linear-gradient(135deg, #7c3aed 0%, #6366f1 100%);
    color: #ffffff;
    border: 1.5px solid #8b5cf6;
    padding: 0.4rem 1.05rem;
    border-radius: 9999px;
    font-size: 0.82rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(124, 58, 237, 0.35);
    transition: all 0.2s ease;
}

.rp-btn-upload-file:hover {
    background: linear-gradient(135deg, #6d28d9 0%, #7c3aed 100%);
    border-color: #a78bfa;
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(124, 58, 237, 0.5);
}

.rp-btn-clear-file {
    background: rgba(239, 68, 68, 0.85);
    color: #fff;
    border: 1px solid rgba(239, 68, 68, 0.9);
    padding: 0.35rem 0.95rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.rp-btn-clear-file:hover {
    background: #dc2626;
    border-color: #ef4444;
    transform: translateY(-1px);
}

.rp-demo-models-bar {
    margin-top: 0.65rem;
    padding-top: 0.55rem;
    border-top: 1px solid var(--rp-border);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.55rem;
    flex-wrap: wrap;
}

.rp-demo-label {
    font-size: 0.78rem;
    color: var(--rp-text-muted);
}

.rp-demo-btn {
    font-size: 0.78rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--rp-radius-full);
    background: var(--rp-bg-card);
    border: 1px solid var(--rp-border-light);
    color: var(--rp-cyan);
    cursor: pointer;
    transition: var(--rp-transition);
}

.rp-demo-btn:hover {
    background: var(--rp-bg-card-hover);
    border-color: var(--rp-cyan);
}

/* Quick 3D Color Swatches Bar (15 Colors) */
.rp-viewer-quick-colors {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    background: rgba(17, 23, 38, 0.92);
    padding: 0.25rem 0.65rem;
    border-radius: 9999px;
    border: 1px solid var(--rp-border);
    flex-wrap: wrap;
}

.rp-quick-color-dot {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    padding: 0;
    outline: none;
}

.rp-quick-color-dot:hover {
    transform: scale(1.3);
    border-color: #ffffff;
}

.rp-quick-color-dot.active {
    transform: scale(1.35);
    border: 2px solid #ffffff !important;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.8) !important;
}

/* Uploaded File List & Active Part Preview */
.rp-uploaded-parts {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.rp-part-card {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    gap: 1.25rem;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--rp-bg-card);
    border: 1px solid var(--rp-border);
    border-radius: var(--rp-radius-md);
    transition: var(--rp-transition);
}

.rp-part-card.active {
    border-color: var(--rp-cyan);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
    background: rgba(0, 242, 254, 0.05);
}

.rp-part-thumb {
    width: 80px;
    height: 80px;
    border-radius: var(--rp-radius-sm);
    background: radial-gradient(circle at 50% 35%, #1e294b 0%, #0c1322 100%);
    border: 1.5px solid rgba(0, 242, 254, 0.35);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4), inset 0 0 15px rgba(0, 242, 254, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--rp-cyan);
    font-size: 1.75rem;
    overflow: hidden;
    position: relative;
    padding: 4px;
}

.rp-part-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.25);
    filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.6));
    transition: transform 0.25s ease;
}

.rp-part-thumb:hover img {
    transform: scale(1.4);
}

.rp-part-info {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.rp-part-name {
    font-weight: 700;
    font-size: 1rem;
    color: var(--rp-text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rp-part-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--rp-text-muted);
}

.rp-part-specs span {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.rp-part-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rp-icon-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--rp-radius-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--rp-border);
    color: var(--rp-text-sub);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--rp-transition);
}

.rp-icon-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--rp-text-main);
}

.rp-icon-btn.delete:hover {
    background: rgba(255, 0, 127, 0.2);
    border-color: var(--rp-magenta);
    color: var(--rp-magenta);
}

/* 2. Interactive 3D Model Viewer */
.rp-viewer-container {
    margin-top: 1.5rem;
    border-radius: var(--rp-radius-md);
    background: #0a0f1d;
    border: 1px solid var(--rp-border-accent);
    position: relative;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 242, 254, 0.08);
}

.rp-3d-canvas-wrap {
    width: 100%;
    height: 380px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rp-3d-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* 3D Loading Overlay with Progress Bar & Percentage */
.rp-3d-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 15, 29, 0.92);
    backdrop-filter: blur(10px);
    z-index: 60;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
    padding: 1.5rem;
    text-align: center;
    border-radius: inherit;
    transition: opacity 0.25s ease;
}

html[data-theme="light"] .rp-3d-loading-overlay {
    background: rgba(248, 250, 252, 0.94);
}

.rp-3d-spinner {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 3.5px solid rgba(0, 242, 254, 0.15);
    border-top-color: #00f2fe;
    border-left-color: #007bff;
    animation: rpSpinnerAnim 0.75s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    box-shadow: 0 0 20px rgba(0, 242, 254, 0.25);
}

html[data-theme="light"] .rp-3d-spinner {
    border-color: rgba(2, 132, 199, 0.15);
    border-top-color: #0284c7;
    border-left-color: #2563eb;
    box-shadow: 0 0 15px rgba(2, 132, 199, 0.25);
}

@keyframes rpSpinnerAnim {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.rp-3d-loading-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--rp-cyan);
    letter-spacing: 0.2px;
    text-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
}

html[data-theme="light"] .rp-3d-loading-title {
    color: #0284c7;
    text-shadow: none;
}

/* Progress Bar Container */
.rp-loading-progress-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
    width: 100%;
    max-width: 320px;
    margin-top: 0.2rem;
}

.rp-loading-progress-track {
    flex: 1;
    height: 9px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 9999px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.4);
}

html[data-theme="light"] .rp-loading-progress-track {
    background: #e2e8f0;
    border-color: #cbd5e1;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.08);
}

.rp-loading-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #007bff, #00f2fe);
    border-radius: 9999px;
    box-shadow: 0 0 12px rgba(0, 242, 254, 0.7);
    transition: width 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

html[data-theme="light"] .rp-loading-progress-bar {
    background: linear-gradient(90deg, #2563eb, #0284c7);
    box-shadow: 0 0 10px rgba(2, 132, 199, 0.5);
}

.rp-loading-progress-pct {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 800;
    color: #00f2fe;
    min-width: 44px;
    text-align: right;
}

html[data-theme="light"] .rp-loading-progress-pct {
    color: #0284c7;
}

.rp-viewer-top-bar {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    right: 0.75rem;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    pointer-events: none;
}

.rp-viewer-dimensions {
    pointer-events: auto;
    padding: 0.3rem 0.65rem;
    border-radius: var(--rp-radius-full);
    background: rgba(9, 13, 22, 0.88);
    backdrop-filter: blur(10px);
    border: 1.5px solid var(--rp-cyan);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--rp-cyan);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.rp-viewer-help {
    pointer-events: auto;
    padding: 0.3rem 0.65rem;
    border-radius: var(--rp-radius-full);
    background: rgba(13, 21, 38, 0.88);
    backdrop-filter: blur(10px);
    border: 1px solid var(--rp-border);
    font-size: 0.73rem;
    font-weight: 500;
    color: var(--rp-text-sub);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
    white-space: nowrap;
    flex-shrink: 0;
}

.rp-viewer-help i {
    color: var(--rp-cyan);
}

@media (max-width: 580px) {
    .rp-viewer-top-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.35rem;
    }
}

.rp-viewer-toolbar {
    position: absolute;
    bottom: 0.85rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.4rem 0.75rem;
    border-radius: var(--rp-radius-full);
    background: rgba(13, 21, 38, 0.94);
    backdrop-filter: blur(12px);
    border: 1.5px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.rp-view-tool-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1.5px solid rgba(255, 255, 255, 0.14);
    color: #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.rp-view-tool-btn i {
    color: #cbd5e1;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.rp-view-tool-btn:hover {
    background: rgba(0, 242, 254, 0.2);
    color: #00f2fe;
    border-color: #00f2fe;
    transform: translateY(-2px);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.35);
}

.rp-view-tool-btn:hover i {
    color: #00f2fe;
}

.rp-view-tool-btn.active {
    background: linear-gradient(135deg, #00f2fe, #00b4d8);
    color: #040814;
    border-color: #ffffff;
    box-shadow: 0 0 14px rgba(0, 242, 254, 0.6), inset 0 0 6px rgba(255, 255, 255, 0.4);
    transform: scale(1.08);
}

.rp-view-tool-btn.active i {
    color: #040814 !important;
    font-weight: 900;
    filter: none;
}

.rp-view-tool-btn.flash {
    animation: toolBtnPulse 0.4s ease;
}

@keyframes toolBtnPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.25); background: rgba(0, 242, 254, 0.4); border-color: #ffffff; }
    100% { transform: scale(1); }
}


/* Manual Dimension Inputs */
.rp-dimensions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr) 115px;
    gap: 1rem;
    margin-top: 1.25rem;
}

.rp-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.rp-input-label {
    font-size: 0.8rem;
    color: var(--rp-text-muted);
    font-weight: 500;
}

.rp-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.rp-input {
    width: 100%;
    padding: 0.65rem 3.8rem 0.65rem 0.85rem;
    background: var(--rp-bg-input);
    border: 1px solid var(--rp-border);
    border-radius: var(--rp-radius-sm);
    color: var(--rp-text-main);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--rp-transition);
}

.rp-input::-webkit-outer-spin-button,
.rp-input::-webkit-inner-spin-button,
.rp-qty-direct-input::-webkit-outer-spin-button,
.rp-qty-direct-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.rp-input[type=number],
.rp-qty-direct-input {
    -moz-appearance: textfield;
    appearance: textfield;
}

.rp-input:focus {
    outline: none;
    border-color: var(--rp-cyan);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

.rp-stepper-btns {
    position: absolute;
    right: 2.1rem;
    display: flex;
    flex-direction: column;
    height: 28px;
    width: 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--rp-border-light);
    border-radius: 4px;
    overflow: hidden;
}

html[data-theme="light"] .rp-stepper-btns {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.12);
}

.rp-stepper-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--rp-text-muted);
    font-size: 0.55rem;
    cursor: pointer;
    padding: 0;
    transition: all 0.15s ease;
}

.rp-stepper-btn:hover {
    background: var(--rp-cyan);
    color: #050b14;
}

html[data-theme="light"] .rp-stepper-btn:hover {
    background: #0284c7;
    color: #ffffff;
}

.rp-stepper-btn:active {
    transform: scale(0.9);
}

.rp-stepper-btn.up {
    border-bottom: 1px solid var(--rp-border-light);
}

html[data-theme="light"] .rp-stepper-btn.up {
    border-bottom-color: rgba(0, 0, 0, 0.1);
}

.rp-input-unit {
    position: absolute;
    right: 0.65rem;
    font-size: 0.8rem;
    color: var(--rp-text-dim);
    pointer-events: none;
}

/* Step 2: Material Grid (2 cột nằm gọn trong Cột 1) */
.rp-materials-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.5rem;
    width: 100%;
    box-sizing: border-box;
    overflow: visible;
}

@media (max-width: 520px) {
    .rp-materials-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

.rp-material-card {
    background: var(--rp-bg-card);
    border: 1px solid var(--rp-border);
    border-radius: var(--rp-radius-md);
    padding: 0.55rem 0.65rem;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
    overflow: visible;
}

.rp-material-card:hover {
    border-color: var(--rp-cyan);
    background: var(--rp-bg-card-hover);
    transform: translateY(-1px);
    z-index: 80;
}

.rp-material-card.active {
    border-color: var(--rp-cyan);
    background: var(--rp-bg-card-active);
    box-shadow: var(--rp-shadow-glow);
}

.rp-mat-card-main {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
}

.rp-mat-badge {
    font-size: 0.56rem;
    font-weight: 700;
    padding: 0.05rem 0.25rem;
    border-radius: 3px;
    background: rgba(0, 230, 118, 0.15);
    color: var(--rp-green);
    border: 1px solid rgba(0, 230, 118, 0.3);
    white-space: nowrap;
    flex-shrink: 0;
}

.rp-mat-badge.hot {
    background: rgba(255, 183, 3, 0.15);
    color: var(--rp-gold);
    border-color: rgba(255, 183, 3, 0.3);
}

.rp-mat-header {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0;
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
}

.rp-mat-color-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 3px rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.rp-mat-name {
    font-weight: 700;
    font-size: 0.82rem;
    color: var(--rp-text-main);
    line-height: 1.25;
    white-space: normal; /* Không bao giờ cắt bớt hay khuất chữ */
    word-break: break-word;
    min-width: 0;
    flex: 1;
}

.rp-mat-desc-short {
    font-size: 0.68rem;
    color: var(--rp-text-muted);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-top: 0.05rem;
}

.rp-mat-info-icon {
    font-size: 0.68rem;
    color: var(--rp-text-muted);
    opacity: 0.55;
    margin-left: 0.15rem;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.rp-material-card:hover .rp-mat-info-icon {
    color: var(--rp-cyan);
    opacity: 1;
}

.rp-mat-price-tag {
    font-size: 0.72rem;
    color: var(--rp-text-muted);
    font-weight: 500;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.3rem;
    border-top: 1px dashed var(--rp-border);
    padding-top: 0.25rem;
    margin-top: 0.15rem;
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
}

.rp-mat-price-val {
    color: var(--rp-cyan);
    font-family: var(--font-mono);
    font-weight: 800;
    font-size: 0.8rem;
    white-space: nowrap;
}

/* =============================================================================
   POPOVER THÔNG SỐ CHI TIẾT KHI DI CHUỘT (HOVER)
   — Tự động căn trái/phải theo 2 cột để không tràn ra ngoài Cột 1
   ============================================================================= */
.rp-mat-popover {
    position: absolute;
    bottom: calc(100% + 6px);
    width: 250px;
    max-width: 90vw;
    box-sizing: border-box;
    background: #0f172a;
    border: 1px solid rgba(0, 242, 254, 0.5);
    border-radius: 10px;
    padding: 0.65rem 0.75rem;
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.85), 0 0 16px rgba(0, 242, 254, 0.2);
    backdrop-filter: blur(12px);
    z-index: 9999;
    pointer-events: none;
    visibility: hidden;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

.rp-materials-grid .rp-material-card:nth-child(odd) .rp-mat-popover {
    left: 0;
    right: auto;
}

.rp-materials-grid .rp-material-card:nth-child(odd) .rp-mat-popover::after {
    left: 20px;
    right: auto;
}

.rp-materials-grid .rp-material-card:nth-child(even) .rp-mat-popover {
    right: 0;
    left: auto;
}

.rp-materials-grid .rp-material-card:nth-child(even) .rp-mat-popover::after {
    right: 20px;
    left: auto;
}

.rp-mat-popover::after {
    content: '';
    position: absolute;
    top: 100%;
    border-width: 6px 6px 0 6px;
    border-style: solid;
    border-color: #0f172a transparent transparent transparent;
}

.rp-material-card:hover .rp-mat-popover {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.rp-mat-popover-header {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.3rem;
    padding-bottom: 0.3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.rp-mat-popover .rp-mat-desc {
    font-size: 0.72rem;
    color: #94a3b8;
    line-height: 1.35;
    margin-bottom: 0.4rem;
}

.rp-mat-popover .rp-mat-props {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 6px;
    padding: 0.38rem 0.5rem;
    font-size: 0.68rem;
    color: #cbd5e1;
    margin-bottom: 0;
}

.rp-mat-popover .rp-mat-props-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.rp-mat-popover .rp-mat-props-row span {
    color: #94a3b8;
}

.rp-mat-popover .rp-mat-props-row strong {
    color: var(--rp-cyan);
    font-family: var(--font-mono);
    font-weight: 700;
}

/* Step 3: Surface Finishing & Colors */
.rp-finish-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.9rem;
    margin-bottom: 1.5rem;
}

.rp-finish-card {
    background: var(--rp-bg-card);
    border: 1px solid var(--rp-border);
    border-radius: var(--rp-radius-md);
    padding: 0.9rem;
    cursor: pointer;
    transition: var(--rp-transition);
    text-align: left;
}

.rp-finish-card:hover {
    border-color: var(--rp-border-light);
    background: var(--rp-bg-card-hover);
}

.rp-finish-card.active {
    border-color: var(--rp-cyan);
    background: var(--rp-bg-card-active);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
}

.rp-finish-title {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--rp-text-main);
    margin-bottom: 0.2rem;
}

.rp-finish-desc {
    font-size: 0.75rem;
    color: var(--rp-text-muted);
}

.rp-color-picker-section {
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--rp-border);
}

.rp-color-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.75rem;
}

.rp-color-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    border-radius: var(--rp-radius-full);
    background: var(--rp-bg-card);
    border: 1px solid var(--rp-border);
    cursor: pointer;
    font-size: 0.82rem;
    color: var(--rp-text-sub);
    transition: var(--rp-transition);
}

.rp-color-btn:hover {
    border-color: var(--rp-border-light);
}

.rp-color-btn.active {
    border-color: var(--rp-cyan);
    background: rgba(0, 242, 254, 0.1);
    color: var(--rp-cyan);
}

.rp-swatch {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Step 4: Tolerance & Quantity Matrix */
.rp-options-row {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    margin-bottom: 1.25rem;
}

.rp-select-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.rp-choice-chips {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    width: 100%;
}

.rp-chip-btn {
    padding: 0.5rem 0.4rem;
    background: var(--rp-bg-card);
    border: 1px solid var(--rp-border);
    border-radius: var(--rp-radius-sm);
    color: var(--rp-text-sub);
    font-size: 0.82rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--rp-transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.15rem;
    min-height: 52px;
}

.rp-chip-btn:hover {
    border-color: var(--rp-border-light);
    background: var(--rp-bg-card-hover);
}

.rp-chip-btn.active {
    background: var(--rp-bg-card-active);
    border-color: var(--rp-cyan);
    color: var(--rp-cyan);
    box-shadow: 0 0 12px rgba(0, 242, 254, 0.15);
}

.rp-chip-val {
    font-size: 0.88rem;
    font-weight: 700;
}

.rp-chip-sub {
    font-size: 0.72rem;
    color: var(--rp-text-muted);
}

.rp-chip-btn.active .rp-chip-sub {
    color: rgba(0, 242, 254, 0.85);
}

/* Quantity Matrix & Tier Pricing */
.rp-qty-matrix-wrap {
    margin-top: 1.5rem;
}

.rp-matrix-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.rp-qty-tiers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.65rem;
}

@media (max-width: 600px) {
    .rp-qty-tiers-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.rp-qty-tier-card {
    background: var(--rp-bg-input);
    border: 1px solid var(--rp-border);
    border-radius: var(--rp-radius-sm);
    padding: 0.75rem 0.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--rp-transition);
}

.rp-qty-tier-card:hover {
    border-color: var(--rp-border-light);
    background: var(--rp-bg-card);
}

.rp-qty-tier-card.active {
    border-color: var(--rp-cyan);
    background: rgba(0, 242, 254, 0.1);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

.rp-tier-qty {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--rp-text-main);
}

.rp-tier-unit-price {
    font-size: 0.75rem;
    color: var(--rp-cyan);
    margin: 0.15rem 0;
}

.rp-tier-discount {
    font-size: 0.68rem;
    color: var(--rp-green);
    font-weight: 700;
}

.rp-custom-qty-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    padding: 0.85rem 1rem;
    background: var(--rp-bg-input);
    border-radius: var(--rp-radius-sm);
    border: 1px solid var(--rp-border);
}

.rp-custom-qty-label {
    font-size: 0.85rem;
    color: var(--rp-text-muted);
    white-space: nowrap;
}

.rp-qty-counter {
    display: flex;
    align-items: center;
    border: 1px solid var(--rp-border-light);
    border-radius: var(--rp-radius-sm);
    overflow: hidden;
}

.rp-qty-btn {
    width: 36px;
    height: 36px;
    background: var(--rp-bg-card);
    color: var(--rp-text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--rp-transition);
}

.rp-qty-btn:hover {
    background: var(--rp-bg-card-hover);
    color: var(--rp-cyan);
}

.rp-qty-input {
    width: 60px;
    height: 36px;
    text-align: center;
    background: var(--rp-bg-panel);
    border: none;
    color: var(--rp-text-main);
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.95rem;
}

/* Right Column: Sticky Quote Summary Card */
.rp-summary-col {
    position: sticky;
    top: 1rem;
    z-index: 10;
}

.rp-quote-card {
    background: var(--rp-bg-panel);
    border: 1px solid var(--rp-border-accent);
    border-radius: var(--rp-radius-lg);
    padding: 1.75rem;
    box-shadow: var(--rp-shadow-card), 0 0 30px rgba(0, 242, 254, 0.05);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.rp-quote-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--rp-border);
}

.rp-quote-card-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--rp-text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rp-live-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    color: var(--rp-green);
    font-weight: 600;
}

.rp-live-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--rp-green);
    box-shadow: 0 0 8px var(--rp-green);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.8; }
}

/* Price Breakdown List */
.rp-price-breakdown {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.rp-breakdown-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.88rem;
    color: var(--rp-text-sub);
}

.rp-breakdown-row.highlight {
    color: var(--rp-green);
}

.rp-breakdown-val {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--rp-text-main);
}

.rp-total-price-box {
    margin: 0.5rem 0;
    padding: 1.25rem;
    border-radius: var(--rp-radius-md);
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.08), rgba(79, 172, 254, 0.04));
    border: 1px solid var(--rp-border-accent);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.rp-total-label {
    font-size: 0.82rem;
    color: var(--rp-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.rp-total-amount {
    font-size: 2rem;
    font-weight: 800;
    font-family: var(--font-mono);
    color: var(--rp-cyan);
    text-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
}

.rp-unit-price-preview {
    font-size: 0.82rem;
    color: var(--rp-text-muted);
}

.rp-lead-time-box {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem;
    background: var(--rp-bg-input);
    border-radius: var(--rp-radius-sm);
    border: 1px solid var(--rp-border);
    font-size: 0.82rem;
    color: var(--rp-text-sub);
}

.rp-lead-time-box i {
    font-size: 1.2rem;
    color: var(--rp-gold);
}

/* Action Buttons */
.rp-quote-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.rp-btn-order {
    width: 100%;
    padding: 0.95rem;
    background: linear-gradient(135deg, var(--rp-blue), var(--rp-cyan));
    color: #050811;
    font-weight: 800;
    font-size: 1.05rem;
    border-radius: var(--rp-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 4px 20px rgba(0, 242, 254, 0.4);
    transition: var(--rp-transition);
}

.rp-btn-order:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 242, 254, 0.6);
}

.rp-btn-zalo {
    width: 100%;
    padding: 0.85rem;
    background: #0068ff;
    color: #ffffff;
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: var(--rp-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--rp-transition);
}

.rp-btn-zalo:hover {
    background: #0052cc;
    transform: translateY(-2px);
}

.rp-btn-pdf {
    width: 100%;
    padding: 0.75rem;
    background: var(--rp-bg-card);
    border: 1px solid var(--rp-border-light);
    color: var(--rp-text-sub);
    font-weight: 600;
    font-size: 0.88rem;
    border-radius: var(--rp-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--rp-transition);
}

.rp-btn-pdf:hover {
    background: var(--rp-bg-card-hover);
    color: var(--rp-text-main);
    border-color: var(--rp-cyan);
}

/* Guarantee / Trust Badges */
.rp-trust-badges {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
    margin-top: 0.5rem;
}

.rp-trust-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    color: var(--rp-text-muted);
}

.rp-trust-item i {
    color: var(--rp-green);
}

/* Comparison Section (In 3D vs CNC vs Đúc vs Kim Loại Tấm) */
.rp-compare-section {
    margin-top: 4rem;
}

.rp-section-title-center {
    text-align: center;
    margin-bottom: 2.5rem;
}

.rp-section-title-center h2 {
    font-size: 1.85rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--rp-text-main);
}

.rp-compare-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.rp-compare-card {
    background: var(--rp-bg-panel);
    border: 1px solid var(--rp-border);
    border-radius: var(--rp-radius-lg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: var(--rp-transition);
}

.rp-compare-card:hover {
    border-color: var(--rp-border-accent);
    transform: translateY(-4px);
}

.rp-compare-icon {
    font-size: 2rem;
    color: var(--rp-cyan);
}

.rp-compare-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--rp-text-main);
}

.rp-compare-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    font-size: 0.85rem;
    color: var(--rp-text-sub);
}

.rp-compare-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.45rem;
}

.rp-compare-list li i {
    margin-top: 0.2rem;
    color: var(--rp-cyan);
    font-size: 0.75rem;
}

/* Order / Checkout Modal */
.rp-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(4, 7, 14, 0.85);
    backdrop-filter: blur(12px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.rp-modal.active {
    opacity: 1;
    visibility: visible;
}

.rp-modal-dialog {
    background: var(--rp-bg-panel);
    border: 1px solid var(--rp-border-accent);
    border-radius: var(--rp-radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), var(--rp-shadow-neon);
    display: flex;
    flex-direction: column;
}

.rp-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--rp-border);
}

.rp-modal-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--rp-text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rp-modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    color: var(--rp-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--rp-transition);
}

.rp-modal-close:hover {
    background: rgba(255, 0, 127, 0.2);
    color: var(--rp-magenta);
}

.rp-modal-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.rp-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.rp-form-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--rp-text-sub);
}

.rp-form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--rp-bg-input);
    border: 1px solid var(--rp-border);
    border-radius: var(--rp-radius-sm);
    color: var(--rp-text-main);
    font-size: 0.95rem;
    transition: var(--rp-transition);
}

.rp-form-input:focus {
    outline: none;
    border-color: var(--rp-cyan);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

.rp-vietqr-box {
    background: var(--rp-bg-input);
    border: 1px solid var(--rp-border-accent);
    border-radius: var(--rp-radius-md);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
}

.rp-vietqr-img {
    width: 180px;
    height: 180px;
    border-radius: var(--rp-radius-sm);
    background: #fff;
    padding: 0.5rem;
}

/* ============================================================
   Payment Modal (100% matching pcb-order.html style & aesthetics)
   ============================================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    padding: 1rem;
    opacity: 1;
    visibility: visible;
    transition: all 0.3s ease;
}

.modal-overlay.hidden {
    display: none !important;
    opacity: 0;
    visibility: hidden;
}

.modal-content {
    background: #fff;
    border-radius: 16px;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
}

.modal-close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    border: none;
    background: #f3f4f6;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #4b5563;
    transition: all 0.2s ease;
    z-index: 10;
}

.modal-close-btn:hover {
    background: #fff;
    color: #ef4444;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transform: rotate(90deg);
}

.payment-modal,
#payment-modal .modal-content {
    padding: 1.15rem 1.4rem !important;
    background: linear-gradient(135deg, #0b1120 0%, #1e293b 100%) !important;
    color: #ffffff !important;
    position: relative;
    max-height: 96vh;
    max-width: 660px !important;
    width: 95% !important;
    overflow-y: auto;
    border: 1px solid rgba(0, 242, 254, 0.3) !important;
    border-radius: 16px !important;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85), 0 0 35px rgba(0, 242, 254, 0.2) !important;
}

.payment-modal-header {
    text-align: center;
    margin-bottom: 0.75rem;
}

.payment-modal-header h2 {
    font-size: 1.3rem;
    color: #00f2fe !important;
    margin-bottom: 0.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 800;
}

.payment-modal-header p {
    color: #e2e8f0 !important;
    font-size: 0.82rem;
    margin: 0;
}

.payment-modal-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    align-items: stretch;
}

.payment-modal-info,
.payment-modal-qr {
    display: flex;
    flex-direction: column;
    padding: 0.85rem;
    background: rgba(15, 23, 42, 0.75) !important;
    border: 1px solid rgba(0, 242, 254, 0.25) !important;
    border-radius: 12px;
    height: 100%;
}

.payment-modal-info h3,
.payment-modal-qr h3 {
    font-size: 0.92rem;
    color: #00f2fe !important;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
    font-weight: 700;
}

.order-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: rgba(2, 6, 23, 0.75) !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    border-radius: 10px;
    padding: 0.6rem 0.8rem;
    height: 100%;
}

.order-details .detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.26rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
    font-size: 0.82rem;
}

.order-details .detail-row:last-child {
    border-bottom: none !important;
}

.order-details .detail-label,
.detail-row .detail-label,
.payment-modal-info .detail-label {
    color: #ffffff !important;
    font-weight: 500 !important;
    opacity: 0.95;
    white-space: nowrap;
}

.order-details .detail-value,
.detail-row .detail-value,
.payment-modal-info .detail-value {
    color: #ffffff !important;
    font-weight: 700 !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    text-align: right;
}

.qr-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    background: rgba(2, 6, 23, 0.75) !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    border-radius: 10px;
    padding: 0.6rem 0.8rem;
    width: 100%;
    height: 100%;
}

.qr-code {
    background: white;
    padding: 0.35rem;
    border-radius: 8px;
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-code img {
    width: 125px;
    height: 125px;
    display: block;
    object-fit: contain;
}

.bank-info-box {
    background: rgba(0, 242, 254, 0.1) !important;
    border: 1px solid rgba(0, 242, 254, 0.35) !important;
    border-radius: 10px;
    padding: 0.6rem 0.75rem;
    width: 100%;
}

.bank-info-box h4 {
    color: #00f2fe !important;
    margin-bottom: 0.35rem;
    font-size: 0.82rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.bank-detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.22rem 0;
    font-size: 0.78rem;
}

.bank-detail-row span:first-child {
    color: #ffffff !important;
    font-weight: 500;
    white-space: nowrap;
}

.bank-detail-row span:last-child {
    color: #ffffff !important;
    font-weight: 700;
    font-size: 0.8rem;
    text-align: right;
}

.bank-detail-row span.text-gold,
#payment-qr-memo {
    color: #f59e0b !important;
    font-weight: 800 !important;
    text-shadow: 0 0 10px rgba(245, 158, 11, 0.4);
}

.payment-amount-box {
    background: linear-gradient(135deg, #00f2fe 0%, #0284c7 100%) !important;
    border-radius: 10px;
    padding: 0.7rem 0.85rem;
    text-align: center;
    margin-top: 0.85rem;
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.25);
}

.payment-amount-label {
    font-size: 0.82rem;
    opacity: 0.95;
    margin: 0;
    color: #0b0f19 !important;
    font-weight: 700;
}

.payment-amount-value {
    font-size: 1.65rem;
    font-weight: 800;
    color: #0b0f19 !important;
    margin: 0;
}

@media (max-width: 768px) {
    .payment-modal-grid {
        grid-template-columns: 1fr;
    }
}

.payment-modal .btn-outline {
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    color: #ffffff !important;
    background: rgba(255, 255, 255, 0.08) !important;
    transition: all 0.2s ease;
}

.payment-modal .btn-outline:hover {
    background: rgba(255, 255, 255, 0.18) !important;
    border-color: rgba(255, 255, 255, 0.5) !important;
    color: #ffffff !important;
    transform: translateY(-1px);
}

/* Printable PDF / Quote Template */
.rp-print-only {
    display: none !important;
}

@media print {
    @page {
        size: A4 portrait;
        margin: 10mm 15mm;
    }
    html, body, body.rp-main-wrapper {
        zoom: 1 !important;
        margin: 0 !important;
        padding: 0 !important;
        background: #ffffff !important;
        color: #000000 !important;
        width: 100% !important;
        height: auto !important;
        min-height: auto !important;
        overflow: visible !important;
    }
    .top-banner,
    .main-header,
    .rp-hero,
    main,
    .rp-workspace,
    .rp-compare-section,
    .main-footer,
    .rp-modal-backdrop,
    .rp-toast,
    #order-modal,
    #material-modal,
    header,
    footer,
    nav {
        display: none !important;
        visibility: hidden !important;
        height: 0 !important;
        overflow: hidden !important;
    }
    .rp-print-only,
    #rp-printable-quote {
        display: block !important;
        position: static !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        background: #ffffff !important;
        color: #1e293b !important;
        visibility: visible !important;
        box-sizing: border-box !important;
        page-break-after: avoid !important;
        page-break-inside: avoid !important;
    }
    #rp-printable-quote * {
        visibility: visible !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
}

/* ==========================================================================
   Diff3D Visual Comparison & Advanced 3D Inspector Enhancements
   ========================================================================== */

.rp-viewer-header-tabs {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: rgba(13, 19, 34, 0.95);
    border-bottom: 1px solid var(--rp-border);
    flex-wrap: wrap;
    gap: 0.75rem;
}

.rp-viewer-tab-group {
    display: flex;
    gap: 0.35rem;
    background: rgba(0, 0, 0, 0.45);
    padding: 4px;
    border-radius: var(--rp-radius-sm);
    border: 1px solid var(--rp-border);
}

.rp-viewer-tab-btn {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.95rem;
    border-radius: 6px;
    background: transparent;
    border: none;
    color: #94a3b8;
    font-size: 0.84rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--rp-transition);
}

.rp-viewer-tab-btn:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
}

.rp-viewer-tab-btn.active {
    background: var(--rp-cyan);
    color: #050811;
    font-weight: 800;
    box-shadow: 0 0 14px rgba(0, 242, 254, 0.45);
}

.rp-viewer-tab-btn.diff-active {
    background: linear-gradient(135deg, #00e676, #00f2fe);
    color: #050811;
    font-weight: 800;
}

/* Diff3D Controls Sub-panel */
.rp-diff-controls-bar {
    background: #0b1120;
    border-bottom: 1.5px solid var(--rp-border-accent);
    padding: 0.85rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeIn 0.3s ease;
}

.rp-diff-model-selectors {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.rp-diff-slot {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.4rem 0.85rem;
    border-radius: var(--rp-radius-sm);
    font-size: 0.82rem;
    font-weight: 700;
    border: 1.5px solid var(--rp-border);
    background: #111827;
}

.rp-diff-slot select {
    background: #0f172a;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 6px;
    padding: 0.3rem 0.6rem;
    font-size: 0.82rem;
    font-weight: 700;
}

.rp-diff-slot.base {
    border-color: #ff007f;
    color: #ff3377;
    background: rgba(255, 0, 127, 0.12);
}

.rp-diff-slot.target {
    border-color: #00e676;
    color: #00e676;
    background: rgba(0, 230, 118, 0.12);
}

.rp-diff-legend {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.82rem;
    font-weight: 700;
    color: #f1f5f9;
}

.rp-diff-legend-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.rp-diff-color-pill {
    width: 10px;
    height: 10px;
    border-radius: 2px;
}

.rp-diff-color-pill.unchanged { background: #64748b; }
.rp-diff-color-pill.added { background: #00e676; box-shadow: 0 0 6px #00e676; }
.rp-diff-color-pill.removed { background: #ff0055; box-shadow: 0 0 6px #ff0055; }

.rp-diff-slider-wrap {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.78rem;
    color: var(--rp-text-sub);
}

.rp-range-input {
    accent-color: var(--rp-cyan);
    cursor: pointer;
    width: 110px;
}

/* Slicing / Sectioning Controls Sub-panel */
.rp-slice-controls-bar {
    background: rgba(9, 13, 22, 0.95);
    border-bottom: 1px solid var(--rp-border-accent);
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeIn 0.3s ease;
}

.rp-slice-axis-btns {
    display: flex;
    gap: 0.35rem;
}

.rp-axis-btn {
    padding: 0.25rem 0.65rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--rp-radius-sm);
    border: 1px solid var(--rp-border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--rp-text-sub);
    cursor: pointer;
    transition: var(--rp-transition);
}

.rp-axis-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-color: var(--rp-border-light);
}

.rp-axis-btn.active {
    background: rgba(0, 242, 254, 0.16);
    color: var(--rp-cyan);
    border-color: var(--rp-cyan);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

/* Specific soft background styles for Diff Rev A & Rev B buttons */
.rp-diff-target-btn {
    padding: 0.25rem 0.65rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--rp-radius-sm);
    cursor: pointer;
    transition: var(--rp-transition);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.rp-diff-target-btn.part-a {
    background: rgba(255, 0, 85, 0.06);
    border: 1px solid rgba(255, 0, 85, 0.3);
    color: rgba(255, 100, 140, 0.8);
}

.rp-diff-target-btn.part-a:hover, .rp-diff-target-btn.part-a.active {
    background: rgba(255, 0, 85, 0.16);
    border-color: #ff0055;
    color: #ff3366;
    box-shadow: 0 0 10px rgba(255, 0, 85, 0.2);
}

.rp-diff-target-btn.part-b {
    background: rgba(0, 230, 118, 0.06);
    border: 1px solid rgba(0, 230, 118, 0.3);
    color: rgba(0, 230, 118, 0.8);
}

.rp-diff-target-btn.part-b:hover, .rp-diff-target-btn.part-b.active {
    background: rgba(0, 230, 118, 0.16);
    border-color: #00e676;
    color: #00e676;
    box-shadow: 0 0 10px rgba(0, 230, 118, 0.2);
}

/* 3D Geometry Live Analytics Bar (2 hàng x 3 cột cân đối) */
.rp-mesh-analytics-bar {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem 1rem;
    padding: 0.85rem 1.25rem;
    background: rgba(9, 13, 22, 0.7);
    border-top: 1px solid var(--rp-border);
}

@media (max-width: 540px) {
    .rp-mesh-analytics-bar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.rp-analytic-card {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.rp-analytic-label {
    font-size: 0.72rem;
    color: var(--rp-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.rp-analytic-val {
    font-size: 0.92rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--rp-text-main);
}

.rp-analytic-val.cyan { color: var(--rp-cyan); }
.rp-analytic-val.green { color: var(--rp-green); }
.rp-analytic-val.gold { color: var(--rp-gold); }

/* Loading Spinner inside Canvas */
.rp-3d-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(6, 9, 17, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    z-index: 50;
    transition: opacity 0.3s ease;
}

.rp-3d-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid rgba(0, 242, 254, 0.15);
    border-top-color: var(--rp-cyan);
    border-right-color: var(--rp-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Toast */
.rp-toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 0.75rem 1.25rem;
    background: var(--rp-bg-panel);
    border: 1px solid var(--rp-cyan);
    border-radius: var(--rp-radius-md);
    color: var(--rp-cyan);
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: var(--rp-shadow-neon);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: fadeIn 0.3s ease;
}

/* =============================================================================
   LIGHT MODE OVERRIDES FOR DROPZONE & UPLOAD ACTIONS
   ============================================================================= */
html[data-theme="light"] .rp-upload-icon-badge,
body.light-mode .rp-upload-icon-badge {
    background: #ede9fe !important;
    border: 1.5px solid #7c3aed !important;
    color: #6d28d9 !important;
    box-shadow: 0 2px 8px rgba(109, 40, 217, 0.2) !important;
}

html[data-theme="light"] .rp-btn-upload-file,
body.light-mode .rp-btn-upload-file {
    background: linear-gradient(135deg, #6d28d9 0%, #7c3aed 100%) !important;
    color: #ffffff !important;
    border: 1.5px solid #5b21b6 !important;
    font-weight: 700 !important;
    box-shadow: 0 2px 10px rgba(109, 40, 217, 0.35) !important;
}

html[data-theme="light"] .rp-btn-upload-file:hover,
body.light-mode .rp-btn-upload-file:hover {
    background: linear-gradient(135deg, #5b21b6 0%, #6d28d9 100%) !important;
    border-color: #4c1d95 !important;
    color: #ffffff !important;
    box-shadow: 0 4px 14px rgba(109, 40, 217, 0.5) !important;
}

/* =============================================================================
   LIGHT MODE OVERRIDES FOR MATERIAL CARDS & HOVER POPOVERS
   ============================================================================= */
html[data-theme="light"] .rp-material-card,
body.light-mode .rp-material-card {
    background: #ffffff !important;
    border: 1.5px solid #94a3b8 !important;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05) !important;
}

html[data-theme="light"] .rp-material-card:hover,
body.light-mode .rp-material-card:hover {
    border-color: #0284c7 !important;
    background: #f0f9ff !important;
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.2) !important;
}

html[data-theme="light"] .rp-material-card.active,
body.light-mode .rp-material-card.active {
    border-color: #0284c7 !important;
    border-width: 2px !important;
    background: #e0f2fe !important;
    box-shadow: 0 0 12px rgba(2, 132, 199, 0.3) !important;
}

html[data-theme="light"] .rp-mat-color-dot,
body.light-mode .rp-mat-color-dot {
    border: 1.5px solid rgba(0, 0, 0, 0.35) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2) !important;
}

html[data-theme="light"] .rp-mat-name,
body.light-mode .rp-mat-name {
    color: #0f172a !important;
    font-weight: 800 !important;
}

html[data-theme="light"] .rp-mat-desc-short,
body.light-mode .rp-mat-desc-short {
    color: #475569 !important;
    font-weight: 500 !important;
}

html[data-theme="light"] .rp-mat-info-icon,
body.light-mode .rp-mat-info-icon {
    color: #64748b !important;
    opacity: 0.8 !important;
}

html[data-theme="light"] .rp-mat-price-tag,
body.light-mode .rp-mat-price-tag {
    border-top-color: #e2e8f0 !important;
    color: #475569 !important;
}

html[data-theme="light"] .rp-mat-price-val,
body.light-mode .rp-mat-price-val {
    color: #0284c7 !important;
    font-weight: 800 !important;
}

html[data-theme="light"] .rp-mat-popover,
body.light-mode .rp-mat-popover {
    background: #ffffff !important;
    border: 1.5px solid #0284c7 !important;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18) !important;
}

html[data-theme="light"] .rp-mat-popover::after,
body.light-mode .rp-mat-popover::after {
    border-color: #ffffff transparent transparent transparent !important;
}

html[data-theme="light"] .rp-mat-popover-header,
body.light-mode .rp-mat-popover-header {
    border-bottom-color: #e2e8f0 !important;
    color: #0f172a !important;
}

html[data-theme="light"] .rp-mat-popover .rp-mat-desc,
body.light-mode .rp-mat-popover .rp-mat-desc {
    color: #334155 !important;
}

html[data-theme="light"] .rp-mat-popover .rp-mat-props,
body.light-mode .rp-mat-popover .rp-mat-props {
    background: #f8fafc !important;
    border: 1px solid #e2e8f0 !important;
    color: #1e293b !important;
}

html[data-theme="light"] .rp-mat-popover .rp-mat-props-row span,
body.light-mode .rp-mat-popover .rp-mat-props-row span {
    color: #475569 !important;
}

html[data-theme="light"] .rp-mat-popover .rp-mat-props-row strong,
body.light-mode .rp-mat-popover .rp-mat-props-row strong {
    color: #0369a1 !important;
    font-weight: 800 !important;
}

html[data-theme="light"] .rp-viewer-dimensions,
body.light-mode .rp-viewer-dimensions {
    background: rgba(255, 255, 255, 0.95) !important;
    border: 1.5px solid #0284c7 !important;
    color: #0284c7 !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1) !important;
    font-weight: 800 !important;
}

html[data-theme="light"] .rp-viewer-help,
body.light-mode .rp-viewer-help {
    background: rgba(255, 255, 255, 0.95) !important;
    border: 1px solid #cbd5e1 !important;
    color: #334155 !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08) !important;
}

/* ============================================================
   SERVICE REQUEST MODAL (Hardware, Firmware, 3D Print / Vỏ hộp)
   Synchronized Layout & Theming for Dark Mode & Light Mode
   ============================================================ */

.service-modal-card {
    max-width: 620px !important;
    width: 92% !important;
    max-height: 90vh !important;
    padding: 2.25rem 2.25rem 2rem 2.25rem !important;
    border-radius: 20px !important;
    box-sizing: border-box !important;
    position: relative !important;
    overflow-y: auto !important;
    background: linear-gradient(145deg, #0f172a 0%, #1e293b 100%) !important;
    border: 1px solid rgba(0, 242, 254, 0.25) !important;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.65), 0 0 35px rgba(0, 242, 254, 0.08) !important;
    color: #f1f5f9 !important;
    font-family: var(--font-primary, 'Outfit', 'Inter', sans-serif) !important;
}

/* Close Button */
.service-close-btn {
    position: absolute !important;
    top: 1.25rem !important;
    right: 1.25rem !important;
    width: 36px !important;
    height: 36px !important;
    border-radius: 50% !important;
    background: rgba(255, 255, 255, 0.08) !important;
    color: #94a3b8 !important;
    border: none !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 1.15rem !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    z-index: 10 !important;
}

.service-close-btn:hover {
    background: rgba(239, 68, 68, 0.15) !important;
    color: #ef4444 !important;
    transform: rotate(90deg) !important;
}

/* Header & Titles */
.service-modal-header {
    margin-bottom: 0.35rem !important;
    padding-right: 2.5rem !important;
}

.service-modal-title {
    font-size: 1.35rem !important;
    font-weight: 700 !important;
    display: flex !important;
    align-items: center !important;
    gap: 0.6rem !important;
    margin: 0 0 0.4rem 0 !important;
    line-height: 1.3 !important;
}

.service-modal-title.title-hardware {
    color: #fbbf24 !important; /* Gold/Amber */
}

.service-modal-title.title-firmware {
    color: #34d399 !important; /* Emerald */
}

.service-modal-title.title-3dprint {
    color: #38bdf8 !important; /* Sky Blue */
}

.service-modal-subtitle {
    font-size: 0.875rem !important;
    color: #94a3b8 !important;
    margin: 0 0 1.35rem 0 !important;
    line-height: 1.5 !important;
}

/* Form Groups & Alignment */
.service-modal-form {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.85rem !important;
}

.service-form-group {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.35rem !important;
    width: 100% !important;
    margin: 0 !important;
}

.service-form-row {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 0.85rem !important;
    width: 100% !important;
}

@media (max-width: 600px) {
    .service-modal-card {
        padding: 1.5rem 1.15rem 1.25rem 1.15rem !important;
        max-width: 96% !important;
    }
    .service-form-row {
        grid-template-columns: 1fr !important;
    }
}

.service-form-label {
    font-size: 0.875rem !important;
    font-weight: 600 !important;
    color: #e2e8f0 !important;
    display: flex !important;
    align-items: center !important;
    flex-wrap: wrap !important;
    gap: 0.25rem !important;
    margin: 0 !important;
}

.service-form-label .required-star {
    color: #f87171 !important;
    font-weight: 700 !important;
}

.service-label-hint {
    font-size: 0.78rem !important;
    font-weight: 400 !important;
    color: #94a3b8 !important;
}

/* Controls: Inputs, Selects, Textareas */
.service-form-control {
    width: 100% !important;
    padding: 0.65rem 0.85rem !important;
    background: rgba(15, 23, 42, 0.75) !important;
    border: 1px solid rgba(148, 163, 184, 0.25) !important;
    color: #ffffff !important;
    border-radius: 8px !important;
    font-size: 0.9rem !important;
    font-family: inherit !important;
    box-sizing: border-box !important;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s !important;
}

.service-form-control::placeholder {
    color: #64748b !important;
}

.service-form-control:focus {
    outline: none !important;
    border-color: #00f2fe !important;
    box-shadow: 0 0 0 3px rgba(0, 242, 254, 0.2) !important;
    background: rgba(15, 23, 42, 0.95) !important;
}

select.service-form-control {
    cursor: pointer !important;
}

select.service-form-control option {
    background: #1e293b !important;
    color: #ffffff !important;
}

textarea.service-form-control {
    resize: vertical !important;
    min-height: 65px !important;
}

.service-file-input {
    cursor: pointer !important;
    padding: 0.5rem 0.75rem !important;
    background: rgba(15, 23, 42, 0.6) !important;
    border: 1px dashed rgba(148, 163, 184, 0.35) !important;
    color: #cbd5e1 !important;
    font-size: 0.82rem !important;
}

.service-file-input::file-selector-button {
    padding: 0.35rem 0.75rem !important;
    margin-right: 0.75rem !important;
    border-radius: 6px !important;
    border: 1px solid rgba(0, 242, 254, 0.4) !important;
    background: rgba(0, 242, 254, 0.12) !important;
    color: #00f2fe !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: all 0.2s !important;
}

.service-file-input::file-selector-button:hover {
    background: rgba(0, 242, 254, 0.25) !important;
}

/* Submit Action Button */
.service-submit-btn {
    width: 100% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.6rem !important;
    padding: 0.85rem 1.5rem !important;
    margin-top: 0.6rem !important;
    background: linear-gradient(135deg, #0284c7 0%, #0072ff 100%) !important;
    color: #ffffff !important;
    border: none !important;
    border-radius: 10px !important;
    font-size: 0.95rem !important;
    font-weight: 700 !important;
    cursor: pointer !important;
    box-shadow: 0 4px 18px rgba(2, 132, 199, 0.4) !important;
    transition: all 0.25s ease !important;
}

.service-submit-btn:hover {
    background: linear-gradient(135deg, #0369a1 0%, #0052cc 100%) !important;
    box-shadow: 0 6px 24px rgba(2, 132, 199, 0.55) !important;
    transform: translateY(-1px) !important;
}

.service-submit-btn:active {
    transform: translateY(1px) !important;
}

/* ============================================================
   LIGHT MODE OVERRIDES FOR SERVICE MODAL
   ============================================================ */
html[data-theme="light"] .service-modal-card,
body.light-mode .service-modal-card {
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    box-shadow: 0 25px 60px rgba(15, 23, 42, 0.14) !important;
    color: #0f172a !important;
}

html[data-theme="light"] .service-close-btn,
body.light-mode .service-close-btn {
    background: #f1f5f9 !important;
    color: #64748b !important;
}

html[data-theme="light"] .service-close-btn:hover,
body.light-mode .service-close-btn:hover {
    background: #fee2e2 !important;
    color: #ef4444 !important;
}

html[data-theme="light"] .service-modal-title.title-hardware,
body.light-mode .service-modal-title.title-hardware {
    color: #d97706 !important; /* Rich warm amber */
}

html[data-theme="light"] .service-modal-title.title-firmware,
body.light-mode .service-modal-title.title-firmware {
    color: #16a34a !important; /* Rich forest green */
}

html[data-theme="light"] .service-modal-title.title-3dprint,
body.light-mode .service-modal-title.title-3dprint {
    color: #0284c7 !important; /* Rich sky blue */
}

html[data-theme="light"] .service-modal-subtitle,
body.light-mode .service-modal-subtitle {
    color: #475569 !important;
}

html[data-theme="light"] .service-form-label,
body.light-mode .service-form-label {
    color: #1e293b !important;
    font-weight: 600 !important;
}

html[data-theme="light"] .service-form-label .required-star,
body.light-mode .service-form-label .required-star {
    color: #dc2626 !important;
}

html[data-theme="light"] .service-label-hint,
body.light-mode .service-label-hint {
    color: #64748b !important;
}

html[data-theme="light"] .service-form-control,
body.light-mode .service-form-control {
    background: #f8fafc !important;
    border: 1px solid #cbd5e1 !important;
    color: #0f172a !important;
}

html[data-theme="light"] .service-form-control::placeholder,
body.light-mode .service-form-control::placeholder {
    color: #94a3b8 !important;
}

html[data-theme="light"] .service-form-control:focus,
body.light-mode .service-form-control:focus {
    background: #ffffff !important;
    border-color: #0284c7 !important;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15) !important;
}

html[data-theme="light"] select.service-form-control option,
body.light-mode select.service-form-control option {
    background: #ffffff !important;
    color: #0f172a !important;
}

html[data-theme="light"] .service-file-input,
body.light-mode .service-file-input {
    background: #f8fafc !important;
    border: 1px dashed #cbd5e1 !important;
    color: #334155 !important;
}

html[data-theme="light"] .service-file-input::file-selector-button,
body.light-mode .service-file-input::file-selector-button {
    border: 1px solid #0284c7 !important;
    background: rgba(2, 132, 199, 0.08) !important;
    color: #0284c7 !important;
}

html[data-theme="light"] .service-file-input::file-selector-button:hover,
body.light-mode .service-file-input::file-selector-button:hover {
    background: rgba(2, 132, 199, 0.16) !important;
}

html[data-theme="light"] .service-submit-btn,
body.light-mode .service-submit-btn {
    background: linear-gradient(135deg, #0284c7 0%, #0072ff 100%) !important;
    box-shadow: 0 4px 16px rgba(2, 132, 199, 0.35) !important;
}

html[data-theme="light"] .service-submit-btn:hover,
body.light-mode .service-submit-btn:hover {
    background: linear-gradient(135deg, #0369a1 0%, #0052cc 100%) !important;
    box-shadow: 0 6px 20px rgba(2, 132, 199, 0.45) !important;
}