/* ================================
   CSS Variables / Theme
================================ */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #14141e;
    --bg-card: #1a1a2e;
    --bg-input: #1e1e32;
    --border-color: #2a2a44;
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0b8;
    --text-muted: #6a6a82;
    --accent: #ffba00;
    --accent-hover: #e6a700;
    --accent-gradient: linear-gradient(135deg, #ffba00, #ff6b00);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --radius: 16px;
    --radius-sm: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

[data-theme="light"] {
    --bg-primary: #f5f5fa;
    --bg-secondary: #eeeeff;
    --bg-card: #ffffff;
    --bg-input: #f0f0f5;
    --border-color: #d0d0dd;
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a62;
    --text-muted: #8a8aa2;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    transition: background var(--transition), color var(--transition);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 10px;
}

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background var(--transition);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 22px;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-icon {
    font-size: 28px;
}

.logo-highlight {
    color: var(--accent);
}

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

.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: rotate(20deg);
}

/* Hero */
.hero {
    padding: 60px 0 40px;
    text-align: center;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition);
}

.hero-title {
    font-size: 48px;
    font-weight: 900;
    letter-spacing: -1.5px;
    line-height: 1.1;
    margin-bottom: 12px;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* Search */
.search-box {
    max-width: 680px;
    margin: 0 auto;
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    background: var(--bg-input);
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    transition: all var(--transition);
    overflow: hidden;
}

.search-input-wrapper:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(255, 186, 0, 0.15);
}

.search-icon {
    padding: 0 12px 0 18px;
    font-size: 18px;
    color: var(--text-muted);
}

.search-input {
    flex: 1;
    padding: 16px 12px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 16px;
    font-family: var(--font);
    outline: none;
    min-width: 0;
}

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

.search-btn {
    padding: 14px 28px;
    background: var(--accent-gradient);
    border: none;
    color: #000;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font);
    border-radius: 0 var(--radius) var(--radius) 0;
}

.search-btn:hover {
    transform: scale(1.02);
    filter: brightness(1.1);
}

.search-btn:active {
    transform: scale(0.97);
}

.search-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 14px;
    flex-wrap: wrap;
    gap: 12px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

.region-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.region-select {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    font-family: var(--font);
    font-size: 14px;
    cursor: pointer;
    outline: none;
    transition: border var(--transition);
}

.region-select:focus {
    border-color: var(--accent);
}

/* Player Card */
.player-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
    margin-top: 32px;
    box-shadow: var(--shadow);
    animation: slideUp 0.4s ease-out;
    transition: background var(--transition), border var(--transition);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.player-header {
    padding: 24px 28px;
    display: flex;
    align-items: center;
    gap: 20px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.player-avatar img {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    border: 3px solid var(--accent);
    object-fit: cover;
}

.player-meta {
    flex: 1;
    min-width: 180px;
}

.player-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
}

.player-created {
    font-size: 13px;
    color: var(--text-muted);
}

.player-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 4px 0;
}

.badge {
    background: var(--bg-input);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    padding: 2px 12px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.player-uid {
    color: var(--text-muted);
    font-size: 13px;
}

.player-actions {
    display: flex;
    gap: 8px;
}

.btn-icon {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    transform: scale(1.05);
}

/* Tabs */
.tabs-wrapper {
    padding: 0 20px 20px;
}

.tabs {
    display: flex;
    gap: 4px;
    padding: 12px 0 0;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    flex-wrap: nowrap;
}

.tab {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    font-family: var(--font);
    border-bottom: 3px solid transparent;
    transition: all var(--transition);
    white-space: nowrap;
}

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

.tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.tab-content {
    padding: 20px 0;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.3s ease-out;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Desktop: Show all tabs content */
@media (min-width: 992px) {
    .tabs {
        display: none;
    }
    .tab-pane {
        display: block !important;
        animation: none;
    }
    .tab-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    #tab-rank {
        grid-column: span 2;
    }
    #tab-items {
        grid-column: span 2;
    }
    #tab-guild {
        grid-column: span 2;
    }
    #tab-api {
        grid-column: span 2;
    }
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.info-item {
    background: var(--bg-input);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.info-label {
    display: block;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    display: block;
    font-size: 15px;
    font-weight: 600;
    margin-top: 2px;
    color: var(--text-primary);
    word-break: break-all;
}

.info-value.rarity-white { color: #ffffff; }
.info-value.rarity-green { color: #4caf50; }
.info-value.rarity-blue { color: #2196f3; }
.info-value.rarity-purple { color: #9c27b0; }
.info-value.rarity-gold { color: #ffd700; }
.info-value.rarity-orange { color: #ff9800; }
.info-value.rarity-red { color: #f44336; }

/* Rank */
.rank-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.rank-card {
    background: var(--bg-input);
    padding: 20px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    text-align: center;
}

.rank-card.br-rank {
    border-left: 4px solid #ff6b00;
}
.rank-card.cs-rank {
    border-left: 4px solid #00bfff;
}

.rank-label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.rank-value {
    display: block;
    font-size: 22px;
    font-weight: 800;
    margin: 4px 0;
}

.rank-sub {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ================================
   Item Chip with Image
================================ */

.items-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.items-subsection {
    background: var(--bg-input);
    padding: 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.items-subsection h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
}

/* ================================
   Item Chip
================================ */

.item-chip {
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    border: 2px solid var(--border-color);
    overflow: hidden;
    transition: all var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px;
    text-align: center;
    min-height: 140px;
}

.item-chip:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(255, 186, 0, 0.15);
}

.item-chip-image {
    width: 100%;
    aspect-ratio: 1/1;
    overflow: hidden;
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.item-chip-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.item-chip-info {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.item-chip-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.item-chip-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
    word-break: break-word;
}

.item-chip-id {
    font-size: 9px;
    color: var(--text-muted);
    font-weight: 400;
}

.item-chip-rarity {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
}

.item-chip-type {
    font-size: 9px;
    color: var(--text-muted);
    font-weight: 400;
}

/* ================================
   Title Chip
================================ */

.title-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px 4px 4px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition);
    background: var(--bg-input);
}

.title-chip:hover {
    border-color: var(--accent);
    transform: scale(1.02);
}

.title-chip-image {
    width: 28px;
    height: 28px;
    object-fit: contain;
    border-radius: 4px;
}

.title-chip-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.title-chip-rarity {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
}

/* ================================
   Skill Chip
================================ */

.skill-chip {
    background: var(--bg-card);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    text-align: center;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.skill-chip:hover {
    border-color: var(--accent);
    transform: translateY(-1px);
}

/* Guild */
.guild-info {
    background: var(--bg-input);
    padding: 20px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.guild-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
}

.guild-detail {
    display: flex;
    gap: 24px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.guild-detail span {
    color: var(--text-secondary);
    font-size: 14px;
}

.guild-detail strong {
    color: var(--text-primary);
}

.guild-leader {
    margin-top: 12px;
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

.guild-leader-name {
    font-weight: 600;
    color: var(--accent);
}

/* API Usage */
.api-usage {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.usage-stats {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.usage-bar-wrapper {
    display: flex;
    align-items: center;
    gap: 16px;
}

.usage-bar-bg {
    flex: 1;
    height: 8px;
    background: var(--bg-input);
    border-radius: 10px;
    overflow: hidden;
}

.usage-bar-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 10px;
    transition: width 0.6s ease;
}

.usage-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* History */
.history-section {
    margin-top: 40px;
    padding-bottom: 40px;
}

.history-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.history-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.history-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
}

.history-item:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.history-item .h-name {
    font-weight: 600;
    font-size: 14px;
}

.history-item .h-uid {
    color: var(--text-muted);
    font-size: 12px;
}

.history-item .h-time {
    color: var(--text-muted);
    font-size: 11px;
}

/* States */
.empty-state {
    color: var(--text-muted);
    font-size: 14px;
    padding: 12px 0;
}

.loading-state {
    text-align: center;
    padding: 48px 0;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

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

.error-state {
    background: rgba(255, 0, 0, 0.08);
    border: 1px solid #ff4444;
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    color: #ff4444;
    margin-top: 20px;
}

.error-icon {
    font-size: 24px;
}

.error-state p {
    flex: 1;
}

.btn-secondary {
    background: none;
    border: 1px solid #ff4444;
    color: #ff4444;
    padding: 6px 18px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font);
    font-size: 14px;
    transition: all var(--transition);
}

.btn-secondary:hover {
    background: #ff4444;
    color: #fff;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 24px 0;
    text-align: center;
    margin-top: 20px;
}

.footer-text {
    color: var(--text-muted);
    font-size: 14px;
}

.footer-text a {
    color: var(--accent);
    text-decoration: none;
}

.footer-text a:hover {
    text-decoration: underline;
}

/* ================================
   Item Popup Dialog
================================ */
.item-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    display: none;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease-out;
}

.item-popup-overlay.active {
    display: flex;
}

.item-popup {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    max-width: 480px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.3s ease-out;
}

.item-popup-content {
    display: flex;
    flex-direction: column;
}

.item-popup-image {
    position: relative;
    background: var(--bg-secondary);
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    border-bottom: 1px solid var(--border-color);
}

.item-popup-image img {
    max-width: 100%;
    max-height: 300px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.popup-rarity-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.item-popup-info {
    padding: 20px 24px 24px;
}

.item-popup-info h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.item-popup-info #popupDescription {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.item-popup-info #popupId,
.item-popup-info #popupRarity,
.item-popup-info #popupType {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.item-popup-info #popupId strong,
.item-popup-info #popupRarity strong,
.item-popup-info #popupType strong {
    color: var(--text-secondary);
}

.item-popup-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.popup-btn {
    padding: 8px 18px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    font-family: var(--font);
    transition: all var(--transition);
    flex: 1;
    text-align: center;
    min-width: 70px;
}

.popup-btn:hover {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    transform: translateY(-1px);
}

.popup-btn.telegram-btn:hover {
    background: #0088cc;
    border-color: #0088cc;
    color: #fff;
}

.popup-btn.lens-btn:hover {
    background: #4285f4;
    border-color: #4285f4;
    color: #fff;
}

/* ================================
   Responsive
================================ */
@media (max-width: 768px) {
    .hero-title {
        font-size: 32px;
    }

    .search-input-wrapper {
        flex-wrap: wrap;
        border-radius: var(--radius);
    }

    .search-input {
        flex: 1 1 100%;
        padding: 14px 16px;
    }

    .search-btn {
        flex: 1 1 100%;
        border-radius: 0 0 var(--radius) var(--radius);
        padding: 14px;
    }

    .search-options {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .player-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .player-actions {
        margin-top: 8px;
    }

    .tab-content {
        padding: 12px 0;
    }

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

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

    .usage-bar-wrapper {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .items-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 26px;
    }

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

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

    .player-name {
        font-size: 20px;
    }

    .items-grid {
        grid-template-columns: repeat(auto-fill, minmax(85px, 1fr));
    }

    .item-popup {
        width: 95%;
        border-radius: var(--radius-sm);
    }
    .item-popup-info {
        padding: 16px;
    }
    .item-popup-image {
        padding: 12px;
        min-height: 140px;
    }
    .item-popup-image img {
        max-height: 200px;
    }
    .item-popup-actions {
        flex-direction: column;
    }

    .item-chip-name {
        font-size: 11px;
    }
    .item-chip {
        min-height: 120px;
        padding: 6px;
    }
}