/* BDTI Shaxmat klubi — institut uslubi */

:root {
    --color-bg-base: #f4f1ec;
    --color-bg-surface: #ffffff;
    --color-bg-panel: #ffffff;
    --color-bg-card-hover: #faf8f5;

    --color-primary: #7a1c1c;
    --color-primary-dark: #5a1212;
    --color-primary-light: #9b2c2c;
    --color-primary-glow: rgba(122, 28, 28, 0.1);

    --color-navy: #1a2744;
    --color-gold: #b8860b;
    --color-gold-light: #c9a227;
    --color-gold-glow: rgba(201, 162, 39, 0.15);

    --color-text-primary: #1c1917;
    --color-text-secondary: #57534e;
    --color-text-muted: #a8a29e;

    --color-red: #991b1b;
    --color-red-light: #b91c1c;
    --color-green: #166534;
    --color-green-light: #15803d;

    --color-square-light: #f5f0e8;
    --color-square-dark: #5a1212;
    --color-square-highlight: rgba(201, 162, 39, 0.45);
    --color-square-check: rgba(185, 28, 28, 0.45);
    --color-square-selected: rgba(122, 28, 28, 0.35);
    --color-move-indicator: rgba(122, 28, 28, 0.28);

    --font-heading: 'Outfit', 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 14px;
    --transition-smooth: all 0.18s ease;
    --shadow-premium: 0 1px 2px rgba(28, 25, 23, 0.06), 0 8px 24px rgba(28, 25, 23, 0.06);
    --border-light: 1px solid #e7e5e4;
}

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

body {
    background-color: var(--color-bg-base);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
}

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

.text-green { color: var(--color-green); }
.text-red { color: var(--color-red-light); }

/* Card Shadow Utility */
.card-shadow {
    background: var(--color-bg-surface);
    border: var(--border-light);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-premium);
}

/* App Container Layout */
.app-container {
    width: 100%;
    min-height: 100vh;
    position: relative;
}

.app-container:has(#view-landing:not(.hidden)) {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.app-container:has(.dashboard-page:not(.hidden)) {
    display: block;
    padding: 0;
}

/* Offline Warning Badge */
.offline-badge {
    position: fixed;
    top: 20px;
    z-index: 1000;
    background: #fef2f2;
    border: 1px solid #fee2e2;
    color: #991b1b;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(153, 27, 27, 0.08);
    animation: fadeInDown 0.4s ease-out;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: #ef4444;
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.5; }
}

/* BUTTONS */
.btn {
    font-family: var(--font-heading);
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius-sm);
    padding: 10px 20px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-smooth);
    font-size: 0.95rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
}

.btn-teal {
    background: var(--color-navy);
    color: #fff;
}

.btn-teal:hover {
    background: #0f1a2e;
}

.btn-teal-outline {
    background: transparent;
    border: 1.5px solid var(--color-navy);
    color: var(--color-navy);
}

.btn-teal-outline:hover {
    background: var(--color-primary-glow);
    transform: translateY(-1px);
}

.btn-secondary {
    background: #f1f5f9;
    color: var(--color-text-secondary);
    border: var(--border-light);
}

.btn-secondary:hover {
    background: #e2e8f0;
    transform: translateY(-1px);
}

.btn-success {
    background: var(--color-green-light);
    color: white;
}

.btn-success:hover {
    background: var(--color-green);
    transform: translateY(-1px);
}

.btn-gold {
    background: var(--color-gold-light);
    color: white;
}

.btn-gold:hover {
    background: var(--color-gold);
    transform: translateY(-1px);
}

.btn-danger-outline {
    background: transparent;
    color: var(--color-red-light);
    border: 1.5px solid var(--color-red-light);
}

.btn-danger-outline:hover {
    background: #fef2f2;
    color: var(--color-red);
}

.btn-secondary-outline {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1.5px solid #cbd5e1;
}

.btn-secondary-outline:hover {
    background: #f8fafc;
    color: var(--color-text-primary);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.85rem;
    border-radius: var(--border-radius-sm);
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.btn-icon:hover {
    color: var(--color-text-primary);
    background: #f1f5f9;
}

/* LANDING PAGE */
.view-section {
    width: 100%;
    animation: fadeIn 0.25s ease-out forwards;
}

.landing-auth-bg {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background:
        linear-gradient(135deg, rgba(15, 42, 68, 0.88) 0%, rgba(26, 74, 110, 0.82) 50%, rgba(15, 26, 46, 0.9) 100%),
        url('https://studyin-uzbekistan.uz/media/uploads/2024/02/14/tibbiyot-universiteti.png') center center / cover no-repeat fixed;
}

.landing-auth-bg .landing-shell {
    position: relative;
    z-index: 1;
}

.dashboard-page.view-section {
    max-width: none;
}

/* ===== LANDING ===== */
.landing-shell {
    display: grid;
    grid-template-columns: 1fr 420px;
    max-width: 980px;
    width: 100%;
    gap: 0;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-premium);
    border: var(--border-light);
}

.landing-brand {
    background: linear-gradient(165deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, var(--color-navy) 100%);
    color: #fff;
    padding: 48px 40px;
    display: flex;
    align-items: center;
}

.brand-inner { max-width: 360px; }

.bdti-logo {
    display: block;
    border-radius: 50%;
    border: 3px solid rgba(201, 162, 39, 0.85);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    margin-bottom: 20px;
}

.brand-institute {
    font-size: 0.78rem;
    line-height: 1.5;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: 10px;
}

.brand-title {
    font-family: var(--font-heading);
    font-size: 1.85rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #fff;
}

.brand-tagline {
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: 24px;
    line-height: 1.5;
}

.brand-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.9);
}

.brand-features li::before {
    content: "— ";
    color: var(--color-gold-light);
}

.landing-auth {
    background: var(--color-bg-surface);
    padding: 36px 32px;
}

.auth-logo-mobile { display: none; margin: 0 auto 12px; border-radius: 50%; }

.auth-header { margin-bottom: 20px; }

.auth-header h2 {
    font-size: 1.35rem;
    margin-bottom: 4px;
}

.auth-subtitle {
    color: var(--color-text-secondary);
    font-size: 0.88rem;
}

.landing-footer {
    margin-top: 16px;
    padding-top: 16px;
    border-top: var(--border-light);
}

/* ===== DASHBOARD SHELL ===== */
.site-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 10px 24px;
    background: var(--color-primary-dark);
    color: #fff;
    border-bottom: 3px solid var(--color-gold);
}

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

.topbar-logo {
    border-radius: 50%;
    border: 2px solid rgba(201, 162, 39, 0.8);
}

.topbar-org {
    display: block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
}

.topbar-sub {
    display: block;
    font-size: 0.75rem;
    opacity: 0.82;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.topbar-user-meta {
    text-align: right;
    line-height: 1.3;
}

.topbar-username {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
}

.topbar-rating {
    font-size: 0.78rem;
    opacity: 0.9;
}

.topbar-user .user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
}

.dashboard-shell {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 20px;
    padding: 20px 24px 32px;
    max-width: 1280px;
    margin: 0 auto;
}

.dash-sidebar {
    padding: 16px;
    height: fit-content;
    position: sticky;
    top: 16px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 20px;
}

.sidebar-link {
    display: block;
    padding: 9px 12px;
    border-radius: var(--border-radius-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-left: 3px solid transparent;
}

.sidebar-link:hover,
.sidebar-link.active {
    background: var(--color-bg-card-hover);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
}

/* Dashboard tab sections */
.dash-section {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.dash-section.hidden {
    display: none !important;
}

.overview-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.overview-card {
    text-align: left;
    padding: 20px;
    border: var(--border-light);
    border-radius: var(--border-radius-md);
    background: var(--color-bg-surface);
    cursor: pointer;
    transition: var(--transition-smooth);
}

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

.overview-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin-bottom: 10px;
    border-radius: var(--border-radius-sm);
    background: var(--color-primary-glow);
    color: var(--color-primary);
}

.overview-card-icon svg {
    display: block;
}

.play-icon { color: var(--color-primary); }
.contest-icon { color: var(--color-gold); background: var(--color-gold-glow); }
.rating-icon { color: var(--color-navy); background: rgba(26, 39, 68, 0.08); }

.overview-card strong {
    display: block;
    margin-bottom: 4px;
    font-family: var(--font-heading);
}

.overview-card p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin: 0;
}

.sidebar-stats {
    border-top: var(--border-light);
    padding-top: 14px;
}

.sidebar-stats-title {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    margin-bottom: 8px;
    font-weight: 700;
}

.sidebar-stat-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.88rem;
    padding: 4px 0;
}

.dash-main {
    display: flex;
    flex-direction: column;
    gap: 18px;
    min-width: 0;
}

.welcome-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 22px 24px;
    background: linear-gradient(135deg, #fff 0%, #faf8f5 100%);
    border-left: 4px solid var(--color-gold);
}

.welcome-label {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.welcome-banner h2 {
    font-size: 1.45rem;
    margin-bottom: 4px;
}

.welcome-desc {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.welcome-stat-pill {
    text-align: center;
    background: var(--color-primary);
    color: #fff;
    padding: 14px 22px;
    border-radius: var(--border-radius-md);
    min-width: 120px;
}

.welcome-stat-pill span {
    display: block;
    font-size: 0.72rem;
    opacity: 0.85;
    margin-bottom: 2px;
}

.welcome-stat-pill strong {
    font-size: 1.6rem;
    font-family: var(--font-heading);
}

.dash-panel {
    padding: 20px 22px;
}

.panel-head {
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: var(--border-light);
}

.panel-head h3 {
    font-size: 1.05rem;
    margin-bottom: 2px;
}

.dash-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.hidden {
    display: none !important;
}

/* Language selector */
.lang-switcher-container {
    position: absolute;
    top: 16px;
    right: 16px;
}

.lang-select, .lang-select-small {
    background: #ffffff;
    border: var(--border-light);
    border-radius: 6px;
    color: var(--color-text-secondary);
    font-family: var(--font-body);
    font-size: 0.85rem;
    padding: 4px 8px;
    cursor: pointer;
}

.lang-select:focus, .lang-select-small:focus {
    outline: none;
    border-color: var(--color-primary);
}

.logo-area {
    text-align: center;
    margin-top: 15px;
    margin-bottom: 25px;
}

.logo-icon {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 16px;
    background: rgba(13, 148, 136, 0.06);
    border-radius: 50%;
    margin-bottom: 12px;
}

.logo-area h1 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.logo-area .subtitle {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    font-weight: 600;
    text-transform: uppercase;
}

.auth-box {
    width: 100%;
}

.tab-buttons {
    display: flex;
    background: #f1f5f9;
    border-radius: var(--border-radius-sm);
    padding: 4px;
    margin-bottom: 20px;
}

.tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    padding: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: calc(var(--border-radius-sm) - 2px);
    transition: var(--transition-smooth);
}

.tab-btn.active {
    background: #ffffff;
    color: var(--color-text-primary);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

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

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

.input-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
}

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

.input-icon {
    position: absolute;
    left: 14px;
    color: var(--color-text-muted);
}

.input-wrapper input {
    width: 100%;
    background: #f8fafc;
    border: var(--border-light);
    border-radius: var(--border-radius-sm);
    padding: 10px 14px 10px 40px;
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
    background: #ffffff;
}

.error-text {
    color: #b91c1c;
    font-size: 0.85rem;
    text-align: center;
    background: #fef2f2;
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    border: 1px solid #fee2e2;
}

.landing-footer {
    width: 100%;
    border-top: var(--border-light);
    padding-top: 15px;
    margin-top: 15px;
}

/* DASHBOARD PAGE */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    margin-bottom: 24px;
}

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

.avatar-glow {
    position: relative;
    border-radius: 50%;
    padding: 2px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-primary);
}

.rating-badge {
    background: var(--color-primary-glow);
    color: var(--color-primary);
    padding: 1px 8px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    border: 1px solid rgba(13, 148, 136, 0.2);
}

.logo-small {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
}

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

/* Dashboard Grid — legacy overrides */
.dashboard-grid {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.play-modes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-gap: 14px;
}

.play-mode-box {
    background: var(--color-bg-card-hover);
    border: var(--border-light);
    border-radius: var(--border-radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.play-mode-box:hover {
    border-color: #d6d3d1;
    background: #fff;
}

.play-mode-box h4 {
    font-size: 0.98rem;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.history-item {
    background: var(--color-bg-card-hover);
    border: var(--border-light);
    border-radius: var(--border-radius-sm);
    padding: 10px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.88rem;
}

/* Contests */
.contests-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mode-icon {
    align-self: flex-start;
    padding: 10px;
    border-radius: var(--border-radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.bot-theme { background: rgba(13, 148, 136, 0.08); color: var(--color-primary); }
.match-theme { background: rgba(21, 128, 61, 0.08); color: var(--color-green); }
.challenge-theme { background: rgba(217, 119, 6, 0.08); color: var(--color-gold); }
.local-theme { background: #f1f5f9; color: var(--color-text-secondary); }

.play-mode-box h4 {
    font-size: 1.05rem;
    font-weight: 700;
}

.play-mode-box p {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    line-height: 1.4;
    flex-grow: 1;
}

/* Bot selectors, inputs */
.bot-selectors, .challenge-inputs {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 4px;
}

.bot-selectors label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
}

.bot-selectors select, .challenge-inputs input {
    background: #ffffff;
    border: var(--border-light);
    color: var(--color-text-primary);
    padding: 6px 10px;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 0.85rem;
}

.bot-selectors select:focus, .challenge-inputs input:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Spinner */
.searching-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    flex-grow: 1;
}

.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid #e2e8f0;
    border-top: 2px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

#search-status-text {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* Stats Box */
.stats-box {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: #f8fafc;
    border: var(--border-light);
    border-radius: var(--border-radius-md);
    padding: 16px;
}

.stats-summary {
    display: flex;
    justify-content: space-around;
    align-items: center;
    text-align: center;
    margin-top: 4px;
}

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

.stat-value {
    font-size: 1.6rem;
    font-weight: 800;
    font-family: var(--font-heading);
}

.stat-label {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    font-weight: 600;
}

/* Challenges Section */
.challenges-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.challenges-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.challenge-item {
    background: #fffbeb;
    border: 1px solid #fef3c7;
    border-radius: var(--border-radius-sm);
    padding: 10px 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.challenge-info {
    font-size: 0.85rem;
    color: #92400e;
}

.challenge-actions {
    display: flex;
    gap: 6px;
}

.empty-list {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    text-align: center;
    padding: 12px;
    background: #f8fafc;
    border-radius: var(--border-radius-sm);
    border: 1px dashed #cbd5e1;
}

/* Leaderboard */
.leaderboard-box {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.leaderboard-headers {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    border-bottom: var(--border-light);
    padding-bottom: 6px;
}

.leaderboard-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.leaderboard-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: #ffffff;
    border: var(--border-light);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.leaderboard-item:hover {
    background: #f8fafc;
}

.leaderboard-item.highlight-me {
    border-color: var(--color-primary-light);
    background: var(--color-primary-glow);
}

.leaderboard-player {
    display: flex;
    align-items: center;
    gap: 8px;
}

.rank-number {
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--color-text-muted);
    width: 16px;
}

.rank-number.rank-1 { color: #d97706; }
.rank-number.rank-2 { color: #64748b; }
.rank-number.rank-3 { color: #b45309; }

.leaderboard-item .rating {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-primary);
}

/* History Column */
.history-card {
    grid-column: 1 / 3;
}

.history-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-gap: 12px;
}

.history-item {
    background: #f8fafc;
    border: var(--border-light);
    border-radius: var(--border-radius-sm);
    padding: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.history-players {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.history-vs {
    font-weight: 600;
    color: var(--color-text-primary);
}

.history-result {
    font-family: var(--font-heading);
    font-weight: 800;
    padding: 2px 8px;
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    text-transform: uppercase;
}

.res-win { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.res-loss { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.res-draw { background: #f1f5f9; color: #475569; border: 1px solid #e2e8f0; }

/* CHESS ARENA */
.arena-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background: var(--color-bg-surface);
    border-bottom: var(--border-light);
    position: sticky;
    top: 0;
    z-index: 50;
    gap: 12px;
}

.arena-topbar-left {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 180px;
}

.arena-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.arena-game-badge {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: var(--color-primary-glow);
    color: var(--color-primary);
    padding: 4px 10px;
    border-radius: 50px;
    border: 1px solid rgba(122, 28, 28, 0.15);
}

.arena-toolbar {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 180px;
    justify-content: flex-end;
}

.arena-tool-btn {
    background: #f8fafc;
    border: var(--border-light);
    border-radius: var(--border-radius-sm);
    padding: 8px;
}

.arena-tool-btn:hover {
    background: var(--color-bg-card-hover);
}

.arena-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    margin-bottom: 20px;
}

.arena-match-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
}

.vs-text {
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: 0.75rem;
    background: #e2e8f0;
    padding: 2px 6px;
    border-radius: 4px;
}

.arena-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    grid-gap: 20px;
    align-items: start;
    padding: 16px 20px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

#view-arena {
    background: var(--color-bg-base);
    min-height: 100vh;
}

/* Board Column */
.board-column {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: min(560px, 100%);
    margin: 0 auto;
    width: 100%;
}

.player-card-avatar {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    overflow: hidden;
    flex-shrink: 0;
}

.player-card-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.board-wrapper {
    width: 100%;
    position: relative;
    padding-bottom: 100%;
    border-radius: var(--border-radius-sm);
    overflow: visible;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
    border: 2px solid #cbd5e1;
}

.board-coords {
    position: absolute;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--color-text-muted);
    pointer-events: none;
    z-index: 5;
}

.board-coords-left {
    left: -16px;
    top: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    padding: 2% 0;
}

.board-coords-bottom {
    left: 0;
    right: 0;
    bottom: -18px;
    display: flex;
    justify-content: space-around;
    padding: 0 2%;
}

.board-coords.hidden {
    display: none !important;
}

.chessboard {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    grid-template-rows: repeat(8, 1fr);
    user-select: none;
    -webkit-user-select: none;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.player-card-info {
    flex-grow: 1;
    display: flex;
    align-items: center;
    gap: 6px;
}

.player-card-username {
    font-weight: 600;
    font-size: 0.9rem;
}

.player-card-rating {
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

.player-timer {
    font-family: 'Outfit', monospace;
    font-size: 1.25rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--border-radius-sm);
    background: #f1f5f9;
    border: var(--border-light);
    color: var(--color-text-secondary);
    transition: var(--transition-smooth);
}

.player-timer.active {
    background: #0f766e;
    color: #ffffff;
    border-color: #0f766e;
    box-shadow: 0 0 10px rgba(15, 118, 110, 0.2);
}

/* Captured pieces */
.captured-pieces {
    display: flex;
    align-items: center;
    gap: 1px;
    margin-left: 6px;
}

.captured-img {
    width: 14px;
    height: 14px;
    opacity: 0.85;
}

/* Chessboard Wrapper - coords moved above */

.player-card {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    gap: 10px;
}

.square {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.square.light { background-color: var(--color-square-light); }
.square.dark { background-color: var(--color-square-dark); }

/* Standard Pieces graphics */
.piece {
    width: 90%;
    height: 90%;
    cursor: grab;
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;
}

.piece:active {
    cursor: grabbing;
}

.piece img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 1.5px 3px rgba(15, 23, 42, 0.15));
}

/* Highlighting */
.square.selected {
    background-color: var(--color-square-selected) !important;
}

.square.last-move {
    background-color: var(--color-square-highlight) !important;
}

.square.check {
    background-color: var(--color-square-check) !important;
    animation: pulse-check 1.5s infinite alternate;
}

@keyframes pulse-check {
    0% { box-shadow: inset 0 0 10px rgba(220, 38, 38, 0.3); }
    100% { box-shadow: inset 0 0 25px rgba(220, 38, 38, 0.7); }
}

.move-dest-indicator {
    width: 22%;
    height: 22%;
    border-radius: 50%;
    background-color: var(--color-move-indicator);
    z-index: 15;
    pointer-events: none;
}

.square.capture-dest::after {
    content: '';
    position: absolute;
    width: 80%;
    height: 80%;
    border: 4px solid var(--color-move-indicator);
    border-radius: 50%;
    z-index: 15;
    pointer-events: none;
}

/* Panel Column (Moves & Chat) */
.panel-column {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 80px);
    max-height: 680px;
    min-height: 420px;
    overflow: hidden;
}

.game-info-panel {
    padding: 4px 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.game-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    background: #f8fafc;
    border-radius: var(--border-radius-sm);
    font-size: 0.88rem;
}

.game-info-row span {
    color: var(--color-text-secondary);
}

/* User avatar button */
.user-avatar-btn {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    border-radius: 50%;
}

.user-avatar-btn:hover .user-avatar {
    box-shadow: 0 0 0 2px var(--color-gold-light);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

/* Settings page */
.settings-shell {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 20px;
    padding: 20px 24px 32px;
    max-width: 900px;
    margin: 0 auto;
}

.settings-sidebar {
    padding: 12px;
    height: fit-content;
    position: sticky;
    top: 16px;
}

.settings-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.settings-nav-btn {
    text-align: left;
    padding: 10px 12px;
    border: none;
    background: transparent;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    border-left: 3px solid transparent;
}

.settings-nav-btn:hover,
.settings-nav-btn.active {
    background: var(--color-bg-card-hover);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
}

.settings-tab-panel.hidden {
    display: none !important;
}

.settings-card {
    padding: 22px;
}

.settings-card h3 {
    margin-bottom: 4px;
}

.settings-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 16px;
}

.settings-form input,
.settings-form textarea {
    width: 100%;
    padding: 10px 12px;
    border: var(--border-light);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 0.9rem;
    background: #f8fafc;
}

.settings-form input:focus,
.settings-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.settings-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    background: #f8fafc;
    border: var(--border-light);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
}

.settings-toggle input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

.avatar-upload-block {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 16px;
    background: #f8fafc;
    border-radius: var(--border-radius-md);
    border: var(--border-light);
}

.avatar-preview-wrap {
    position: relative;
    width: 88px;
    height: 88px;
    flex-shrink: 0;
}

.avatar-preview,
.avatar-preview-fallback {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    object-fit: cover;
}

.avatar-preview-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: #fff;
    font-size: 2rem;
    font-weight: 700;
}

.avatar-upload-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.avatar-upload-label {
    cursor: pointer;
}

.admin-user-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.admin-live-games-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.admin-live-game-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: linear-gradient(135deg, #fff 0%, #faf8f5 100%);
    border: var(--border-light);
    border-left: 3px solid var(--color-green);
    border-radius: var(--border-radius-md);
}

.admin-live-game-players {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.admin-live-game-meta {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.admin-live-game-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.panel-tabs {
    display: flex;
    background: #f8fafc;
    border-bottom: var(--border-light);
}

.panel-tab {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    padding: 12px;
    font-family: var(--font-heading);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    border-bottom: 2px solid transparent;
}

.panel-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    background: #ffffff;
}

.panel-tab-content {
    flex-grow: 1;
    overflow-y: auto;
    padding: 14px;
    display: flex;
    flex-direction: column;
    background: #ffffff;
}

/* Moves list table */
.moves-table-container {
    flex-grow: 1;
    overflow-y: auto;
}

.moves-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.moves-table th {
    text-align: left;
    color: var(--color-text-muted);
    font-weight: 600;
    padding: 6px;
    border-bottom: var(--border-light);
}

.moves-table td {
    padding: 8px 6px;
    border-bottom: 1px solid #f1f5f9;
}

.moves-table tr:hover {
    background: #f8fafc;
}

.moves-table td:first-child {
    color: var(--color-text-muted);
    font-weight: 600;
    width: 35px;
}

/* Chat container */
.chat-messages-container {
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}

.chat-msg {
    align-self: flex-start;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    padding: 8px 12px;
    border-radius: 12px;
    border-top-left-radius: 2px;
    max-width: 85%;
    font-size: 0.9rem;
    line-height: 1.4;
    color: var(--color-text-primary);
}

.chat-msg.mine {
    align-self: flex-end;
    background: var(--color-primary-glow);
    border-color: rgba(13, 148, 136, 0.15);
    border-radius: 12px;
    border-top-right-radius: 2px;
    color: var(--color-primary);
}

.chat-msg-sender {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1px;
}

.chat-msg.mine .chat-msg-sender {
    color: #0d9488;
}

.system-message {
    align-self: center;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    background: #f1f5f9;
    padding: 2px 10px;
    border-radius: 50px;
}

.chat-input-form {
    display: flex;
    gap: 6px;
}

.chat-input-form input {
    flex-grow: 1;
    background: #f8fafc;
    border: var(--border-light);
    border-radius: var(--border-radius-sm);
    padding: 8px 12px;
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
}

.chat-input-form input:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Controls */
.game-controls {
    display: flex;
    gap: 10px;
    padding: 12px 14px;
    border-top: var(--border-light);
    background: #f8fafc;
}

.game-over-banner {
    padding: 16px;
    border-top: 2px solid var(--color-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-align: center;
    background: #f0fdfa;
    animation: fadeInUp 0.3s ease-out forwards;
}

.game-over-banner h4 {
    font-size: 1.25rem;
    color: var(--color-primary);
}

.game-over-banner p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-15px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Contests */
.contests-card {
    grid-column: 1 / 3;
}

.contests-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.contest-item {
    background: #f8fafc;
    border: var(--border-light);
    border-radius: var(--border-radius-sm);
    padding: 14px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.contest-info strong {
    display: block;
    margin-bottom: 4px;
}

.contest-info p {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.contest-info small {
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

.contest-status.pending { color: var(--color-gold); font-weight: 600; font-size: 0.85rem; }
.contest-status.approved { color: var(--color-green); font-weight: 600; font-size: 0.85rem; }
.contest-status.rejected { color: var(--color-red); font-weight: 600; font-size: 0.85rem; }

.contest-badge {
    display: inline-block;
    background: var(--color-primary-glow);
    color: var(--color-primary);
    padding: 2px 8px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-top: 4px;
}

.contest-actions {
    flex-shrink: 0;
}

/* Admin panel */
.admin-shell {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 20px;
    padding: 20px 24px 32px;
    max-width: 1280px;
    margin: 0 auto;
}

.admin-sidebar {
    padding: 12px;
    height: fit-content;
    position: sticky;
    top: 16px;
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.admin-nav-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 12px 14px;
    border: none;
    border-radius: var(--border-radius-sm);
    background: transparent;
    color: var(--color-text-secondary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
    transition: var(--transition-smooth);
}

.admin-nav-btn:hover,
.admin-nav-btn.active {
    background: var(--color-primary-glow);
    color: var(--color-primary);
}

.admin-nav-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: inherit;
}

.admin-nav-icon svg {
    display: block;
}

.admin-create-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-gold);
    line-height: 1;
}

.admin-create-icon svg {
    display: block;
}

.admin-user-playing {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.78rem;
    color: var(--color-primary);
    font-weight: 600;
}

.ui-icon-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
}

.player-card-avatar.ui-icon-wrap svg {
    width: 20px;
    height: 20px;
    color: var(--color-text-secondary);
}

.admin-online-badge {
    margin-left: auto;
    background: var(--color-green);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 50px;
}

.admin-main {
    min-width: 0;
}

.admin-tab-panel.hidden {
    display: none !important;
}

.admin-panel-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.live-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-green);
    white-space: nowrap;
}

.admin-users-header {
    display: grid;
    grid-template-columns: 1.4fr auto auto 1fr auto;
    gap: 12px;
    padding: 8px 12px;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    font-weight: 700;
    border-bottom: var(--border-light);
    margin-bottom: 8px;
}

.admin-user-row {
    display: grid;
    grid-template-columns: 1.4fr auto auto 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 10px 12px;
    background: #f8fafc;
    border: var(--border-light);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
}

.admin-user-name {
    font-weight: 600;
}

.admin-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
}

.admin-status.online { color: var(--color-green); }
.admin-status.offline { color: var(--color-text-muted); }

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
}

.admin-status.online .status-dot {
    animation: pulse 1.5s infinite;
}

.admin-search-form {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

.admin-search-form input {
    flex: 1;
    padding: 10px 14px;
    border: var(--border-light);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 0.9rem;
}

.admin-search-form input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.admin-games-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.admin-game-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background: #f8fafc;
    border: var(--border-light);
    border-radius: var(--border-radius-sm);
}

.admin-game-info small {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    margin-top: 2px;
}

.admin-contests-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 20px;
}

.admin-create-contest-card {
    background: linear-gradient(180deg, #fff 0%, #faf8f5 100%);
    border-top: 3px solid var(--color-gold);
}

.admin-create-header {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin-bottom: 18px;
}

.admin-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    grid-gap: 24px;
}

.admin-users-card {
    grid-column: 1 / 3;
}

.admin-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.admin-form input,
.admin-form textarea {
    width: 100%;
    background: #f8fafc;
    border: var(--border-light);
    border-radius: var(--border-radius-sm);
    padding: 8px 12px;
    font-family: var(--font-body);
    font-size: 0.9rem;
}

.admin-form input:focus,
.admin-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.admin-users-list,
.admin-contests-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.admin-badge {
    background: var(--color-gold-light);
    color: white;
    padding: 2px 8px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
}

.admin-contest-block {
    background: #f8fafc;
    border: var(--border-light);
    border-radius: var(--border-radius-md);
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

.admin-requests {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.admin-request-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    background: #ffffff;
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
}

@media (max-width: 850px) {
    .contests-card {
        grid-column: 1 / 2;
    }
    .overview-cards {
        grid-template-columns: 1fr;
    }
    .admin-shell {
        grid-template-columns: 1fr;
    }
    .admin-contests-grid {
        grid-template-columns: 1fr;
    }
    .admin-grid {
        grid-template-columns: 1fr;
    }
    .admin-users-card {
        grid-column: 1 / 2;
    }
}

/* Responsive */
@media (max-width: 850px) {
    .settings-shell {
        grid-template-columns: 1fr;
    }
    .arena-topbar {
        flex-wrap: wrap;
    }
    .arena-topbar-left,
    .arena-toolbar {
        min-width: auto;
    }
    .arena-layout {
        grid-template-columns: 1fr;
    }
    .panel-column {
        height: 360px;
    }
}

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

@media (max-width: 900px) {
    .landing-shell {
        grid-template-columns: 1fr;
    }
    .landing-brand { padding: 32px 24px; }
    .auth-logo-mobile { display: block; }
    .dashboard-shell {
        grid-template-columns: 1fr;
    }
    .dash-sidebar {
        position: static;
    }
    .sidebar-nav {
        flex-direction: row;
        flex-wrap: wrap;
    }
    .sidebar-stats { display: none; }
    .dash-two-col { grid-template-columns: 1fr; }
    .welcome-banner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 600px) {
    .play-modes-grid { grid-template-columns: 1fr; }
    .site-topbar { flex-wrap: wrap; padding: 12px 16px; }
    .topbar-user-meta { display: none; }
}