/* ===== CSS Variables & Theme System ===== */
:root {
    /* Light Theme (Default) */
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e8ecf2;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f4f8;
    --bg-modal: #ffffff;

    --text-primary: #1a1d24;
    --text-secondary: #4a5568;
    --text-tertiary: #718096;
    --text-muted: #a0aec0;

    /* VSCode Blue Theme */
    --accent-primary: #007acc;
    --accent-secondary: #0098ff;
    --accent-gradient: linear-gradient(135deg, #007acc 0%, #0098ff 100%);

    --border-color: rgba(0, 0, 0, 0.08);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 20px rgba(0, 122, 204, 0.3);

    --rarity-5: linear-gradient(135deg, #ff9f43 0%, #ffc93c 100%);
    --rarity-4: linear-gradient(135deg, #9b59b6 0%, #be2edd 100%);
    --rarity-3: linear-gradient(135deg, #3498db 0%, #74b9ff 100%);

    /* Element colors */
    --pyro: #ff6b35;
    --hydro: #4fc3f7;
    --anemo: #81c784;
    --electro: #ba68c8;
    --dendro: #8bc34a;
    --cryo: #80deea;
    --geo: #ffb74d;

    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #1e1e1e;
    --bg-secondary: #252526;
    --bg-tertiary: #2d2d30;
    --bg-card: #2d2d30;
    --bg-card-hover: #3c3c3c;
    --bg-modal: #252526;

    --text-primary: #d4d4d4;
    --text-secondary: #cccccc;
    --text-tertiary: #858585;
    --text-muted: #5a5a5a;

    /* VSCode Blue for Dark Theme */
    --accent-primary: #0098ff;
    --accent-secondary: #3fc1ff;
    --accent-gradient: linear-gradient(135deg, #007acc 0%, #0098ff 100%);

    --border-color: rgba(255, 255, 255, 0.08);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(0, 152, 255, 0.4);
}

/* ===== Reset & Base Styles ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-secondary);
}

/* ===== Header ===== */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 28px;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.logo h1 {
    font-size: 1.4rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-en {
    font-size: 0.9rem;
    opacity: 0.8;
    font-weight: 400;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Search Box */
.search-box {
    position: relative;
    width: 280px;
}

.search-box input {
    width: 100%;
    padding: 12px 44px 12px 16px;
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.search-icon {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1rem;
    opacity: 0.6;
}

/* Theme Toggle */
.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: rotate(15deg);
}

.theme-icon {
    font-size: 1.2rem;
}

/* ===== Navigation Tabs ===== */
.nav-tabs {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    gap: 8px;
}

.nav-tab {
    padding: 16px 24px;
    font-size: 0.95rem;
    font-family: inherit;
    font-weight: 500;
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    transition: all var(--transition-fast);
}

.nav-tab:hover {
    color: var(--text-primary);
}

.nav-tab.active {
    color: var(--accent-primary);
}

.nav-tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: 3px 3px 0 0;
}

.tab-icon {
    font-size: 1.2rem;
}

.tab-label-en {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-left: 4px;
}

/* ===== Filters Section ===== */
.filters {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.filters-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-group label {
    font-weight: 500;
    color: var(--text-secondary);
}

.filter-label-en {
    font-size: 0.8rem;
    opacity: 0.6;
}

.filter-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 14px;
    font-size: 0.85rem;
    font-family: inherit;
    font-weight: 500;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
    box-shadow: var(--shadow-glow);
}

/* Element filter colors */
.filter-btn.pyro.active {
    background: var(--pyro);
    box-shadow: 0 0 15px var(--pyro);
}

.filter-btn.hydro.active {
    background: var(--hydro);
    box-shadow: 0 0 15px var(--hydro);
}

.filter-btn.anemo.active {
    background: var(--anemo);
    box-shadow: 0 0 15px var(--anemo);
}

.filter-btn.electro.active {
    background: var(--electro);
    box-shadow: 0 0 15px var(--electro);
}

.filter-btn.dendro.active {
    background: var(--dendro);
    box-shadow: 0 0 15px var(--dendro);
}

.filter-btn.cryo.active {
    background: var(--cryo);
    box-shadow: 0 0 15px var(--cryo);
}

.filter-btn.geo.active {
    background: var(--geo);
    box-shadow: 0 0 15px var(--geo);
}

.stats-info {
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

/* ===== Main Content ===== */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px 40px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ===== Items Grid ===== */
.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

/* ===== Card Base ===== */
.item-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
}

.item-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.item-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.item-card:hover::before {
    opacity: 1;
}

.item-card[data-rarity="5"]::before {
    background: var(--rarity-5);
}

.item-card[data-rarity="4"]::before {
    background: var(--rarity-4);
}

.item-card[data-rarity="3"]::before {
    background: var(--rarity-3);
}

/* Card Image */
.card-image-container {
    position: relative;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    min-height: 120px;
}

.card-image-container::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, transparent 0%, var(--bg-tertiary) 70%);
    pointer-events: none;
}

.card-image {
    width: 90px;
    height: 90px;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.2));
    transition: transform var(--transition-normal);
}

.item-card:hover .card-image {
    transform: scale(1.1) rotate(3deg);
}

.card-content {
    padding: 16px;
}

.card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
}

.card-subtitle {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 2px;
}

.card-rarity {
    font-size: 0.7rem;
    color: #ffc93c;
    white-space: nowrap;
    text-shadow: 0 0 8px rgba(255, 201, 60, 0.5);
}

.card-effect {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Character specific */
.element-indicator {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    z-index: 5;
}

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.modal {
    background: var(--bg-modal);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 750px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    background: var(--accent-primary);
    color: white;
    transform: rotate(90deg);
}

.modal-content {
    padding: 32px;
}

.modal-header {
    text-align: center;
    margin-bottom: 24px;
}

.modal-header h2 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 4px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.modal-subtitle {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    margin-bottom: 8px;
}

.section-title-en {
    font-size: 0.8rem;
    opacity: 0.6;
    margin-left: 8px;
}

.modal-rarity {
    font-size: 1.1rem;
    color: #ffc93c;
    text-shadow: 0 0 12px rgba(255, 201, 60, 0.6);
}

.modal-effects {
    display: grid;
    gap: 16px;
    margin-bottom: 24px;
}

.effect-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: 16px;
    border-left: 4px solid var(--accent-primary);
}

.effect-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent-primary);
    margin-bottom: 8px;
}

.effect-label-en {
    font-size: 0.7rem;
    opacity: 0.7;
    margin-left: 8px;
}

.effect-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.effect-en {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-top: 8px;
    font-style: italic;
}

.modal-pieces h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.pieces-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

.piece-item {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: 12px 8px;
    text-align: center;
    transition: all var(--transition-fast);
}

.piece-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.piece-image {
    width: 50px;
    height: 50px;
    object-fit: contain;
    margin-bottom: 6px;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.2));
}

.piece-name {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* Character Modal */
#characterModal .modal {
    display: flex;
    flex-direction: column;
    overflow-y: hidden; /* Let modal-content handle scrolling */
}

#characterModal .modal-content {
    flex: 1;
    overflow-y: auto;
    padding: 32px;
}

.character-modal-layout {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.character-image-section {
    flex: 0 0 auto;
    position: sticky;
    top: 0;
    align-self: flex-start;
}

.character-image-section img {
    width: 200px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.character-info-section {
    flex: 1;
    min-width: 0; /* Prevent flex item from overflowing */
}

.character-info-section .modal-header {
    text-align: left;
    margin-bottom: 16px;
}

.character-info-section .modal-header h2 {
    font-size: 1.4rem;
}

.character-badges {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.element-badge,
.region-badge {
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
}

.element-badge {
    background: var(--accent-gradient);
    color: white;
}

.region-badge {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.character-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.character-details {
    display: grid;
    gap: 12px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-label {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.detail-value {
    font-size: 0.85rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* ===== Loading Overlay ===== */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    z-index: 2000;
    transition: opacity var(--transition-normal);
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-overlay p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 24px;
    text-align: center;
}

.footer p {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin: 4px 0;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Empty State */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 24px;
    color: var(--text-tertiary);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 1.1rem;
}

/* ===== Artifact Tooltip ===== */
.artifact-tooltip {
    position: fixed;
    z-index: 2000;
    width: 360px;
    max-width: 90vw;
    background: var(--bg-modal);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    padding: 20px;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.artifact-tooltip.visible {
    opacity: 1;
    visibility: visible;
}

.tooltip-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.tooltip-image {
    width: 48px;
    height: 48px;
    object-fit: contain;
    flex-shrink: 0;
}

.tooltip-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.tooltip-subtitle {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-top: 2px;
}

.tooltip-content {
    max-height: 300px;
    overflow-y: auto;
}

.tooltip-section {
    margin-bottom: 12px;
}

.tooltip-section:last-child {
    margin-bottom: 0;
}

.tooltip-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.tooltip-section p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.tooltip-story {
    font-size: 0.8rem !important;
    color: var(--text-tertiary) !important;
    font-style: italic;
    white-space: pre-wrap;
    max-height: 150px;
    overflow-y: auto;
}

/* ===== Element Icon in Cards ===== */
.element-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.element-indicator {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    z-index: 5;
    overflow: hidden;
}

.element-indicator img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

/* Element filter buttons with icons */
.filter-btn .element-icon {
    width: 18px;
    height: 18px;
    margin-right: 4px;
    vertical-align: middle;
}

/* Element badge in character modal */
.element-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    color: white;
}

.element-badge img {
    width: 20px;
    height: 20px;
}

.element-badge.pyro {
    background: var(--pyro);
}

.element-badge.hydro {
    background: var(--hydro);
}

.element-badge.anemo {
    background: var(--anemo);
}

.element-badge.electro {
    background: var(--electro);
}

.element-badge.dendro {
    background: var(--dendro);
}

.element-badge.cryo {
    background: var(--cryo);
}

.element-badge.geo {
    background: var(--geo);
}

/* ===== Clickable Piece Items ===== */
.piece-item {
    position: relative;
}

.piece-item.clickable {
    cursor: pointer;
    transition: all var(--transition-fast);
}

.piece-item.clickable:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.piece-item.clickable:hover .piece-image {
    transform: scale(1.1);
}

/* ===== Piece Detail Modal ===== */
.piece-modal .piece-modal-content {
    max-width: 600px;
}

.piece-detail-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.piece-detail-image {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    padding: 8px;
}

.piece-detail-header h2 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.piece-slot {
    font-size: 0.9rem;
    color: var(--accent-primary);
    font-weight: 500;
}

.piece-detail-body {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.piece-section h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 8px;
}

.piece-section h4 .section-en {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-tertiary);
    margin-left: 8px;
}

.piece-section p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.piece-story {
    font-size: 0.9rem !important;
    color: var(--text-tertiary) !important;
    font-style: italic;
    white-space: pre-wrap;
    line-height: 1.8;
    margin: 0;
}

/* Bilingual piece text styles */
.piece-name-en {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    margin-top: 2px;
    font-style: italic;
}

.piece-section p {
    white-space: pre-wrap;
    line-height: 1.7;
}

.piece-text-cn {
    margin-bottom: 12px;
}

.piece-text-cn p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.piece-text-en {
    margin: 0;
    padding: 12px 16px;
    background: rgba(100, 180, 255, 0.05);
    border-left: 3px solid var(--accent-primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.piece-text-en p {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    font-style: italic;
    margin: 0;
}

.piece-story-box {
    max-height: 200px;
    overflow-y: auto;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.piece-text-cn.piece-story-box {
    border-left: 3px solid var(--accent-primary);
}

.piece-text-en.piece-story-box {
    background: rgba(100, 180, 255, 0.03);
    border-left: 3px solid var(--text-muted);
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
        gap: 16px;
    }

    .search-box {
        width: 100%;
        order: 3;
    }

    .logo h1 {
        font-size: 1.1rem;
    }

    .filters {
        flex-direction: column;
        align-items: flex-start;
    }

    .filter-buttons {
        flex-wrap: wrap;
    }

    .items-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 16px;
    }

    .pieces-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .modal-content {
        padding: 24px;
    }

    /* Reset character modal scrolling behavior on mobile */
    #characterModal .modal {
        overflow-y: auto; /* Let modal scroll on mobile */
    }

    #characterModal .modal-content {
        overflow-y: visible; /* Don't scroll modal-content separately */
    }

    .character-modal-layout {
        flex-direction: column;
    }

    .character-image-section {
        position: static; /* Remove sticky on mobile */
        align-self: center;
    }

    .character-image-section img {
        width: 150px;
        margin: 0 auto;
        display: block;
    }

    .character-info-section .modal-header {
        text-align: center;
    }

    .artifact-tooltip {
        display: none !important;
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: 12px 16px;
    }

    .main-content {
        padding: 0 16px 24px;
    }

    .items-grid {
        grid-template-columns: 1fr;
    }

    .pieces-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .modal {
        border-radius: var(--radius-lg);
    }

    .nav-tab {
        padding: 12px 16px;
    }

    .tab-label-en {
        display: none;
    }
}

/* ===== Artifact Recommendations & Overview ===== */

/* Character Modal Recommendations */
.character-recommendations-section {
    border-top: 1px solid var(--border-color);
    margin-top: 20px;
    padding-top: 20px;
}

.character-recommendations-section h3 {
    font-size: 1.1rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.recommendation-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.recommendation-item {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: 16px;
    border: 1px solid var(--border-color);
    position: relative;
}

.recommendation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.usage-rate-input {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.usage-rate-input input {
    width: 60px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.set-selector-group {
    display: flex;
    gap: 12px;
    align-items: center;
}

.set-select {
    flex: 1;
    padding: 8px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    max-width: 200px;
}

.btn-remove-scheme {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 4px;
}

.btn-remove-scheme:hover {
    color: #ef4444;
}

.btn-add-scheme {
    width: 100%;
    padding: 12px;
    border: 2px dashed var(--border-color);
    background: none;
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    cursor: pointer;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.btn-add-scheme:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: var(--bg-tertiary);
}

.btn-save-recommendations {
    margin-top: 16px;
    width: 100%;
    padding: 12px;
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.btn-save-recommendations:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Artifact Overview */
.overview-layout {
    max-width: 1200px;
    margin: 0 auto;
}

.overview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.overview-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 20px;
    transition: all var(--transition-normal);
}

.overview-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-primary);
}

.overview-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.overview-card-image {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.overview-card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.overview-char-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.overview-char-item {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-tertiary);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.overview-char-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
}

/* ===== Custom Select Dropdown ===== */
.custom-select-container {
    position: relative;
    width: 100%;
    min-width: 200px;
}

.custom-select-trigger {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 42px;
}

.custom-select-trigger:hover {
    border-color: var(--accent-primary);
    background: var(--bg-tertiary);
}

.selected-value {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.arrow {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    transition: transform var(--transition-fast);
}

.custom-select-options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.custom-select-options.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.custom-option {
    padding: 10px 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background var(--transition-fast);
    border-bottom: 1px solid var(--border-color);
}

.custom-option:last-child {
    border-bottom: none;
}

.custom-option:hover {
    background: var(--bg-tertiary);
}

.custom-option.selected {
    background: var(--bg-card-hover);
    color: var(--accent-primary);
    font-weight: 500;
}

.option-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.option-icon-sm {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.custom-option em {
    font-style: italic;
    color: var(--text-muted);
}

/* ===== Toast Notification ===== */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    padding: 12px 24px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 2000;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.toast-success {
    border-left: 4px solid #10b981;
}

.toast-error {
    border-left: 4px solid #ef4444;
}

/* ===== Overview Visualization Enhancements ===== */
.overview-card {
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.overview-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.overview-char-item {
    position: relative;
    padding: 4px;
    border-radius: 8px;
    transition: background var(--transition-fast);
}

/* Background styles for 2pc/4pc distinction */
.bg-4pc {
    background-color: rgba(251, 146, 60, 0.15);
    /* Light orange for 4pc */
    border: 1px solid rgba(251, 146, 60, 0.3);
}

.bg-2pc {
    background-color: rgba(96, 165, 250, 0.15);
    /* Light blue/green mixed for 2pc */
    border: 1px solid rgba(96, 165, 250, 0.3);
}

/* Detail Modal Styles */
.artifact-usage-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.detail-char {
    display: flex;
    align-items: center;
    gap: 10px;
}

.detail-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

.detail-tag {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
}

.tag-4pc {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.tag-2pc {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.detail-usage {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* 2+2 Combo Display */
.detail-combo {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: 4px 10px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.combo-plus {
    color: var(--text-tertiary);
    font-weight: 600;
}

.combo-set-icon {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    object-fit: cover;
    border: 1px solid var(--border-color);
}

.combo-set-name {
    max-width: 100px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Adjust detail-info for 2+2 layout */
.detail-info {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
}

/* Modal Content Visibility Control */
.usage-details-mode .piece-section,
.usage-details-mode .piece-name-en,
.usage-details-mode .piece-slot {
    display: none !important;
}

.usage-details-mode .piece-detail-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
    margin-bottom: 16px;
}

/* Search input for dropdown */
.custom-select-search {
    width: 100%;
    height: 53px;
    padding: 0 12px;
    box-sizing: border-box;
    background: var(--bg-secondary);
    border: none;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    position: sticky;
    top: 0;
    z-index: 1;
}

.custom-select-search:focus {
    background: var(--bg-tertiary);
}

/* ===== Login Button & Modal ===== */
.login-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.login-btn:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.login-btn.logged-in {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
}

.login-btn.logged-in:hover {
    opacity: 0.9;
}

.login-icon {
    font-size: 1rem;
}

.login-text {
    font-weight: 500;
    max-width: 100px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Login Modal */
.login-modal {
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 24px;
}

.login-logo {
    font-size: 3rem;
    display: block;
    margin-bottom: 12px;
}

.login-header h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-subtitle {
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-label-en {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: normal;
}

.form-group input {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 204, 0.1);
}

.form-error {
    color: #ef4444;
    font-size: 0.85rem;
    min-height: 20px;
}

.login-submit-btn {
    padding: 14px;
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.login-submit-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* Readonly Mode Styles */
.readonly-mode {
    background: var(--bg-tertiary);
    padding: 16px;
    border-radius: var(--radius-md);
}

.readonly-notice {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: rgba(0, 122, 204, 0.1);
    border: 1px solid rgba(0, 122, 204, 0.2);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 0.85rem;
    color: var(--accent-primary);
}

.readonly-icon {
    font-size: 1rem;
}

.no-recommendations {
    text-align: center;
    padding: 20px;
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.recommendation-item.readonly {
    background: var(--bg-secondary);
    padding: 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
}

.recommendation-item.readonly:last-child {
    margin-bottom: 0;
}

.readonly-sets {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.set-tag {
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-primary);
}

.set-plus {
    color: var(--text-tertiary);
    font-weight: 600;
}

.set-type-badge {
    padding: 2px 8px;
    background: var(--accent-gradient);
    color: white;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 500;
}

.usage-badge {
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .login-btn {
        padding: 8px 12px;
    }
    
    .login-text {
        display: none;
    }
    
    .login-btn.logged-in .login-text {
        display: none;
    }
}