/** * Copyright (c) 2026 DNA Genics, S.L. All rights reserved.
 * 
 * Sample Selector Modal Styles - Light Frosted Glass Theme.
 * Premium light interface with gold accents and glassmorphism effects.
 * Desktop: Centered modal | Mobile: Bottom sheet
 */

/* ========================================
   CSS Variables - Light Frosted Glass Theme
   ======================================== */
.sample-selector-modal,
.sample-selector-trigger {
    /* Light frosted glass palette */
    --ssm-deep: #faf9f7;
    --ssm-navy: #ffffff;
    --ssm-slate: #f5f4f2;
    --ssm-slate-light: #ebe9e6;
    
    /* Gold accents - slightly deeper for contrast on light bg */
    --ssm-gold: #b08d2b;
    --ssm-gold-light: #c9a430;
    --ssm-gold-pale: #f0e4c3;
    --ssm-gold-glow: rgba(176, 141, 43, 0.20);
    --ssm-gold-subtle: rgba(176, 141, 43, 0.10);
    
    /* Teal accents */
    --ssm-teal: #0d9488;
    --ssm-teal-light: #14b8a6;
    --ssm-teal-glow: rgba(13, 148, 136, 0.20);
    
    /* Text colors - dark on light */
    --ssm-text-light: #1a1a1a;
    --ssm-text-muted: rgba(26, 26, 26, 0.7);
    --ssm-text-dim: rgba(26, 26, 26, 0.5);
    
    /* Borders - dark borders on light */
    --ssm-border: rgba(0, 0, 0, 0.08);
    --ssm-border-light: rgba(0, 0, 0, 0.12);
    --ssm-border-gold: rgba(176, 141, 43, 0.40);
    
    /* Typography */
    --ssm-font-serif: 'Cormorant Garamond', 'Georgia', 'Times New Roman', serif;
    --ssm-font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Transitions */
    --ssm-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --ssm-transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   Trigger Button in Navbar
   ======================================== */

.sample-selector-trigger {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    height: 40px;
    padding: 0 1rem;
    border-radius: 25px;
    font-weight: 500;
    font-family: var(--ssm-font-sans);
    transition: var(--ssm-transition);
    border: 2px solid var(--ssm-gold);
    background: rgba(201, 164, 48, 0.1);
    color: var(--ssm-gold);
    max-width: 280px;
}

.sample-selector-trigger:hover,
.sample-selector-trigger:focus {
    background: var(--ssm-gold);
    color: #ffffff;
    box-shadow: 0 4px 20px var(--ssm-gold-glow), 0 0 0 1px rgba(176, 141, 43, 0.3);
    transform: translateY(-1px);
}

.sample-selector-trigger:focus {
    outline: 2px solid var(--ssm-gold-light);
    outline-offset: 2px;
}

.sample-trigger-name {
    font-weight: 600;
}

/* Initials avatar for navbar trigger */
.sample-initials-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    min-width: 28px;
    border-radius: 6px;
    background: linear-gradient(145deg, var(--ssm-teal) 0%, #0d7373 100%);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.75rem;
    line-height: 1;
    text-transform: uppercase;
    box-shadow: 
        0 2px 6px rgba(13, 148, 136, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    flex-shrink: 0;
}

.sample-selector-trigger:hover .sample-initials-avatar {
    box-shadow: 
        0 3px 8px rgba(13, 148, 136, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

/* Initials for modal sample cards */
.sample-card-initials {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    min-width: 32px;
    border-radius: 8px;
    background: linear-gradient(145deg, var(--ssm-teal) 0%, #0d7373 100%);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.8rem;
    line-height: 1;
    text-transform: uppercase;
    box-shadow: 
        0 2px 6px rgba(13, 148, 136, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.sample-card:hover .sample-card-initials {
    box-shadow: 
        0 3px 8px rgba(13, 148, 136, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

/* ========================================
   Modal Container
   ======================================== */

.sample-selector-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1055;
    pointer-events: none;
}

.sample-selector-modal.open {
    pointer-events: auto;
}

/* Backdrop - Light frosted blur */
.sample-selector-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 26, 0.40);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1054;
    pointer-events: none;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.sample-selector-modal.open .sample-selector-backdrop {
    opacity: 1;
    pointer-events: auto;
}

/* ========================================
   Modal Panel - Desktop (Centered)
   ======================================== */

.sample-selector-panel {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) scale(0.92) translateY(20px);
    width: 90%;
    max-width: 900px;
    max-height: calc(100vh - 100px);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--ssm-border-light);
    border-radius: 20px;
    box-shadow: 
        0 25px 80px -12px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    z-index: 1055;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Subtle ambient glow - warm gold */
.sample-selector-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: radial-gradient(ellipse at 50% 0%, rgba(176, 141, 43, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.sample-selector-modal.open .sample-selector-panel {
    opacity: 1;
    transform: translateX(-50%) scale(1) translateY(0);
}

/* ========================================
   Modal Header - Gold Gradient
   ======================================== */

.sample-selector-header {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 1.75rem;
    background: linear-gradient(135deg, rgba(176, 141, 43, 0.08) 0%, rgba(13, 148, 136, 0.04) 100%);
    border-bottom: 1px solid var(--ssm-border);
    flex-shrink: 0;
}

/* Gold accent line */
.sample-selector-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1.75rem;
    right: 1.75rem;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--ssm-gold) 50%, transparent 100%);
    opacity: 0.5;
}

.sample-selector-header-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sample-selector-title {
    margin: 0;
    font-family: var(--ssm-font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--ssm-text-light);
    display: flex;
    align-items: center;
    letter-spacing: 0.02em;
}

.sample-selector-title i {
    color: var(--ssm-gold);
    margin-right: 0.5rem;
}

.sample-count-badge {
    background: rgba(176, 141, 43, 0.12);
    border: 1px solid var(--ssm-border-gold);
    color: var(--ssm-gold);
    padding: 0.3rem 0.85rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: var(--ssm-font-sans);
}

.sample-selector-close {
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid var(--ssm-border);
    color: var(--ssm-text-muted);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--ssm-transition);
}

.sample-selector-close:hover {
    background: rgba(0, 0, 0, 0.06);
    border-color: var(--ssm-gold);
    color: var(--ssm-gold);
    transform: rotate(90deg);
}

.sample-selector-close:focus {
    outline: 2px solid var(--ssm-gold);
    outline-offset: 2px;
}

/* ========================================
   Search Bar - Dark with Gold Focus
   ======================================== */

.sample-selector-search {
    position: relative;
    z-index: 1;
    padding: 1.25rem 1.75rem;
    background: rgba(0, 0, 0, 0.02);
    border-bottom: 1px solid var(--ssm-border);
    flex-shrink: 0;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    color: var(--ssm-text-dim);
    font-size: 1rem;
    pointer-events: none;
    transition: color 0.2s ease;
}

.sample-selector-search .form-control {
    width: 100%;
    padding: 0.875rem 2.75rem;
    height: 52px;
    border-radius: 26px;
    border: 2px solid var(--ssm-border-light);
    background: rgba(255, 255, 255, 0.8);
    color: var(--ssm-text-light);
    font-size: 1rem;
    font-family: var(--ssm-font-sans);
    transition: var(--ssm-transition);
}

.sample-selector-search .form-control::placeholder {
    color: var(--ssm-text-dim);
}

.sample-selector-search .form-control:focus {
    border-color: var(--ssm-gold);
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 0 0 4px var(--ssm-gold-subtle), 0 4px 16px rgba(176, 141, 43, 0.08);
    outline: none;
}

.sample-selector-search .form-control:focus + .search-icon,
.sample-selector-search:focus-within .search-icon {
    color: var(--ssm-gold);
}

.search-clear-btn {
    position: absolute;
    right: 1.25rem;
    background: none;
    border: none;
    color: var(--ssm-text-dim);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1.1rem;
    transition: var(--ssm-transition-fast);
}

.search-clear-btn:hover {
    color: var(--ssm-gold);
}

/* ========================================
   Filter Tabs - Dark Ghost Buttons
   ======================================== */

.sample-selector-tabs {
    position: relative;
    z-index: 1;
    display: flex;
    gap: 0.5rem;
    padding: 1rem 1.75rem;
    background: transparent;
    border-bottom: 1px solid var(--ssm-border);
    flex-shrink: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.sample-tab {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.1rem;
    border: 1px solid var(--ssm-border-light);
    border-radius: 24px;
    background: rgba(0, 0, 0, 0.02);
    color: var(--ssm-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    font-family: var(--ssm-font-sans);
    cursor: pointer;
    transition: var(--ssm-transition);
    white-space: nowrap;
}

.sample-tab:hover {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.15);
    color: var(--ssm-text-light);
}

.sample-tab.active {
    background: linear-gradient(135deg, var(--ssm-gold) 0%, var(--ssm-gold-light) 100%);
    border-color: transparent;
    color: #ffffff;
    box-shadow: 0 4px 16px var(--ssm-gold-glow);
}

.sample-tab:focus {
    outline: 2px solid var(--ssm-gold);
    outline-offset: 2px;
}

.tab-count {
    background: rgba(0, 0, 0, 0.08);
    padding: 0.15rem 0.55rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.sample-tab.active .tab-count {
    background: rgba(255, 255, 255, 0.3);
    color: #ffffff;
}

/* ========================================
   Sample Cards Grid - Dark Scrollable Area
   ======================================== */

.sample-selector-body {
    position: relative;
    z-index: 1;
    flex-grow: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 1.5rem 1.75rem;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.02) 100%);
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

/* Custom scrollbar for light theme */
.sample-selector-body::-webkit-scrollbar {
    width: 8px;
}

.sample-selector-body::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.04);
    border-radius: 4px;
}

.sample-selector-body::-webkit-scrollbar-thumb {
    background: rgba(176, 141, 43, 0.35);
    border-radius: 4px;
}

.sample-selector-body::-webkit-scrollbar-thumb:hover {
    background: rgba(176, 141, 43, 0.55);
}

.sample-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

/* ========================================
   Sample Card - Glassmorphic Dark
   ======================================== */

.sample-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--ssm-border-light);
    border-radius: 16px;
    padding: 1.1rem;
    cursor: pointer;
    transition: var(--ssm-transition);
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sample-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.5) 0%, transparent 50%);
    pointer-events: none;
}

.sample-card:hover {
    border-color: var(--ssm-gold);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.08),
        0 0 0 1px rgba(176, 141, 43, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    transform: translateY(-3px);
}

.sample-card:focus {
    outline: none;
    border-color: var(--ssm-gold);
    box-shadow: 0 0 0 3px var(--ssm-gold-subtle);
}

.sample-card.selected {
    border-color: var(--ssm-gold);
    background: linear-gradient(135deg, rgba(176, 141, 43, 0.08) 0%, rgba(13, 148, 136, 0.04) 100%);
    box-shadow: 
        0 8px 32px rgba(176, 141, 43, 0.12),
        inset 0 0 20px rgba(176, 141, 43, 0.03);
}

.sample-card.focused {
    border-color: var(--ssm-teal);
    box-shadow: 0 0 0 3px var(--ssm-teal-glow);
}

/* Card Header */
.sample-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.favorite-toggle {
    background: none;
    border: none;
    color: var(--ssm-text-dim);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem;
    transition: var(--ssm-transition);
    line-height: 1;
}

.favorite-toggle:hover {
    color: #f59e0b;
    transform: scale(1.2);
    text-shadow: 0 0 12px rgba(245, 158, 11, 0.4);
}

.favorite-toggle.active {
    color: #f59e0b;
    text-shadow: 0 0 8px rgba(245, 158, 11, 0.3);
}

.favorite-toggle.active i {
    font-weight: 900;
}

.favorite-toggle.active i::before {
    content: "\f005"; /* solid star */
}

.sample-sex-indicator {
    display: flex;
    align-items: center;
    font-size: 0.85rem;
    color: var(--ssm-text-muted);
    gap: 0.35rem;
}

.sample-sex-indicator i {
    font-size: 1rem;
}

/* Sex-specific colors */
.sample-sex-indicator i.fa-mars {
    color: #3b82f6;
}

.sample-sex-indicator i.fa-venus {
    color: #ec4899;
}

.sample-sex-indicator i.fa-genderless {
    color: var(--ssm-text-muted);
}

/* Card Body */
.sample-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.sample-name {
    font-family: var(--ssm-font-sans);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--ssm-text-light);
    margin: 0;
    line-height: 1.3;
}

.sample-identifiers {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: var(--ssm-text-muted);
}

.kit-number,
.sample-alias {
    display: flex;
    align-items: center;
}

.kit-number i,
.sample-alias i {
    margin-right: 0.35rem;
    opacity: 0.7;
}

.sample-alias {
    color: var(--ssm-teal);
    font-weight: 500;
}

/* Status Badges - Light Semi-transparent */
.sample-card-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.25rem;
}

.sample-card-badges .badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.3rem 0.55rem;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid transparent;
}

.sample-card-badges .badge-success {
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.25);
    color: #059669;
}

.sample-card-badges .badge-info {
    background: rgba(99, 102, 241, 0.12);
    border-color: rgba(99, 102, 241, 0.25);
    color: #4f46e5;
}

.sample-card-badges .badge-warning {
    background: rgba(245, 158, 11, 0.12);
    border-color: rgba(245, 158, 11, 0.25);
    color: #d97706;
}

.sample-card-badges .badge-primary {
    background: rgba(13, 148, 136, 0.12);
    border-color: rgba(13, 148, 136, 0.25);
    color: #0d9488;
}

/* Selected Indicator - Gold Badge */
.selected-indicator {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    background: linear-gradient(135deg, var(--ssm-gold) 0%, var(--ssm-gold-light) 100%);
    color: #ffffff;
    padding: 0.3rem 0.7rem;
    border-radius: 14px;
    font-size: 0.75rem;
    font-weight: 700;
    box-shadow: 0 4px 12px var(--ssm-gold-glow);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.selected-indicator i {
    font-size: 0.7rem;
}

/* ========================================
   Empty States - Dark Theme
   ======================================== */

.sample-empty-state,
.favorites-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    text-align: center;
}

.sample-empty-state i,
.favorites-empty-state i {
    color: var(--ssm-text-dim);
}

.sample-empty-state h5,
.favorites-empty-state h5 {
    color: var(--ssm-text-light);
    margin-bottom: 0.5rem;
    font-family: var(--ssm-font-sans);
}

.sample-empty-state p,
.favorites-empty-state p {
    color: var(--ssm-text-muted);
}

.sample-empty-state .btn-outline-primary,
.favorites-empty-state .btn-outline-primary {
    border-color: var(--ssm-gold);
    color: var(--ssm-gold);
}

.sample-empty-state .btn-outline-primary:hover,
.favorites-empty-state .btn-outline-primary:hover {
    background: var(--ssm-gold);
    color: var(--ssm-deep);
}

/* ========================================
   Modal Footer - Dark with Muted Text
   ======================================== */

.sample-selector-footer {
    position: relative;
    z-index: 1;
    padding: 0.875rem 1.75rem;
    background: rgba(0, 0, 0, 0.03);
    border-top: 1px solid var(--ssm-border);
    flex-shrink: 0;
}

.footer-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    color: var(--ssm-text-dim);
    font-family: var(--ssm-font-sans);
}

.footer-hint i {
    color: var(--ssm-gold);
    opacity: 0.7;
}

/* ========================================
   Mobile Styles (Bottom Sheet) - Dark Theme
   ======================================== */

@media (max-width: 768px) {
    .sample-selector-panel {
        position: fixed;
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        transform: translateY(100%) translateX(0);
        width: 100%;
        max-width: none;
        max-height: 90vh;
        border-radius: 24px 24px 0 0;
        box-shadow: 0 -12px 48px rgba(0, 0, 0, 0.15);
    }

    .sample-selector-modal.open .sample-selector-panel {
        transform: translateY(0) translateX(0);
        opacity: 1;
    }

    .sample-selector-header {
        border-radius: 24px 24px 0 0;
        padding: 1.25rem 1.25rem;
        position: relative;
    }

    /* Drag Handle - Gold */
    .sample-selector-header::before {
        content: '';
        position: absolute;
        top: 10px;
        left: 50%;
        transform: translateX(-50%);
        width: 44px;
        height: 4px;
        background: var(--ssm-gold);
        opacity: 0.7;
        border-radius: 2px;
    }

    .sample-selector-title {
        font-size: 1.25rem;
        margin-top: 8px;
    }

    .sample-selector-search {
        padding: 1rem 1.25rem;
    }

    .sample-selector-search .form-control {
        height: 48px;
    }

    .sample-selector-tabs {
        padding: 0.75rem 1.25rem;
        gap: 0.4rem;
    }

    .sample-tab {
        padding: 0.5rem 0.85rem;
        font-size: 0.85rem;
    }

    .sample-selector-body {
        padding: 1.25rem;
    }

    .sample-cards-grid {
        grid-template-columns: 1fr;
        gap: 0.85rem;
    }

    .sample-card {
        padding: 1rem;
    }

    .sample-name {
        font-size: 1rem;
    }

    .sample-selector-footer {
        padding: 0.75rem 1.25rem;
    }

    .footer-hint {
        font-size: 0.8rem;
    }
}

/* ========================================
   Tablet Styles
   ======================================== */

@media (min-width: 769px) and (max-width: 1024px) {
    .sample-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========================================
   Animations - Enhanced for Cinematic Feel
   ======================================== */

@keyframes favoritePopIn {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.4);
    }
    100% {
        transform: scale(1);
    }
}

.favorite-toggle.animating {
    animation: favoritePopIn 0.3s ease;
}

@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sample-card {
    animation: cardFadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation-fill-mode: both;
}

.sample-card:nth-child(1) { animation-delay: 0.03s; }
.sample-card:nth-child(2) { animation-delay: 0.06s; }
.sample-card:nth-child(3) { animation-delay: 0.09s; }
.sample-card:nth-child(4) { animation-delay: 0.12s; }
.sample-card:nth-child(5) { animation-delay: 0.15s; }
.sample-card:nth-child(6) { animation-delay: 0.18s; }
.sample-card:nth-child(7) { animation-delay: 0.21s; }
.sample-card:nth-child(8) { animation-delay: 0.24s; }
.sample-card:nth-child(9) { animation-delay: 0.27s; }

/* Gold shimmer on selected card */
@keyframes goldShimmer {
    0% {
        background-position: -200% center;
    }
    100% {
        background-position: 200% center;
    }
}

.sample-card.selected::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(176, 141, 43, 0.08) 50%,
        transparent 100%
    );
    background-size: 200% 100%;
    animation: goldShimmer 3s ease-in-out infinite;
    pointer-events: none;
}

/* Panel entrance animation */
@keyframes panelSlideIn {
    from {
        opacity: 0;
        transform: translateX(-50%) scale(0.9) translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) scale(1) translateY(0);
    }
}

/* Desktop only: on mobile the bottom-sheet uses transform transitions, this animation would break it */
@media (min-width: 769px) {
    .sample-selector-modal.open .sample-selector-panel {
        animation: panelSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    }
}

/* ========================================
   Body Lock
   ======================================== */

body.sample-selector-open {
    overflow: hidden;
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
    .sample-selector-modal,
    .sample-selector-trigger {
        display: none !important;
    }
}

/* ========================================
   High Contrast Mode
   ======================================== */

@media (prefers-contrast: high) {
    .sample-card {
        border-width: 2px;
        border-color: #1a1a1a;
    }

    .sample-card.selected {
        border-color: var(--ssm-gold);
        border-width: 3px;
    }

    .sample-selector-trigger {
        border-width: 3px;
    }

    .sample-selector-panel {
        border-width: 2px;
        border-color: #1a1a1a;
    }
}

/* ========================================
   Reduced Motion
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    .sample-selector-panel,
    .sample-selector-backdrop,
    .sample-card,
    .favorite-toggle,
    .sample-selector-trigger,
    .sample-selector-close {
        transition: none;
        animation: none;
    }

    .sample-card.selected::after {
        animation: none;
    }

    .sample-selector-modal.open .sample-selector-panel {
        animation: none;
    }
}