:root {
    /* Metro UI Colors */
    --metro-bg: #000000;
    --metro-surface: #1f1f1f;
    --metro-surface-hover: #333333;
    --metro-text: #ffffff;
    --metro-text-dim: #999999;
    
    --accent-blue: #1283b9;
    --accent-blue-hover: #2db1f2;
    --accent-red: #b11203;
    --accent-green: #339933;
    --accent-purple: #8c0095;
    --accent-orange: #f09609;
    
    --spacing-s: 10px;
    --spacing-m: 15px;
    --spacing-l: 30px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: var(--metro-bg);
    color: var(--metro-text);
    overflow-x: hidden;
}

/* --- ТИПОГРАФИКА --- */
.metro-title {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: -1px;
    margin: 0;
    text-transform: lowercase;
}

.metro-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin: 0 0 var(--spacing-s) 0;
    color: var(--metro-text-dim);
    text-transform: lowercase;
}

.text-accent { color: var(--accent-blue); }
.text-purple { color: var(--accent-purple); }
.text-center { text-align: center; }

/* Утилиты отступов и позиционирования */
.mt-0 { margin-top: 0 !important; }
.mt-l { margin-top: var(--spacing-l); }
.mb-s { margin-bottom: var(--spacing-s); }
.mb-l { margin-bottom: var(--spacing-l); }
.mb-m { margin-bottom: var(--spacing-m); }
.w-100 { width: 100%; }
.d-block { display: block; }
.admin-badge { font-size: 0.8rem; }

#startBotGameBtn {
    margin-bottom: 10px;
}

.hidden { display: none !important; }

.screen {
    width: 100%;
    min-height: 100vh;
    padding: var(--spacing-m);
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

#authScreen, #roomScreen {
    align-items: center;
}

/* --- КОНТЕЙНЕРЫ --- */
.metro-container {
    width: 100%;
    max-width: 450px;
    padding: var(--spacing-l);
}

.metro-layout {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

/* --- ФОРМЫ И ИНПУТЫ --- */
.metro-input, .metro-select, .metro-textarea {
    width: 100%;
    background: var(--metro-bg);
    border: 2px solid var(--metro-surface-hover);
    color: var(--metro-text);
    padding: 10px 12px;
    font-family: inherit;
    font-size: 1rem;
    margin-bottom: var(--spacing-m);
    border-radius: 0;
    outline: none;
    transition: all 0.2s ease;
}

.metro-input:focus, .metro-select:focus, .metro-textarea:focus {
    background: var(--metro-surface-hover);
    color: var(--metro-text);
    border-color: var(--accent-blue);
}

.metro-input::placeholder { color: var(--metro-text-dim); }
.metro-input:focus::placeholder { color: #666; }

.avatar-input {
    font-size: 2rem;
    text-align: center;
    width: 80px;
}

.metro-form-group { margin-bottom: 5px; }
.metro-form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--metro-text-dim);
}

/* --- КНОПКИ (ПЛИТКИ) --- */
.metro-btn {
    background: var(--metro-surface);
    color: var(--metro-text);
    border: 2px solid transparent;
    padding: 12px 24px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 0;
    transition: transform 0.1s, background 0.2s;
    text-transform: lowercase;
}

.metro-btn:active, .metro-tile:active, .card:active {
    transform: scale(0.96);
}

.metro-btn.primary {
    background: var(--accent-blue);
    padding: 5px;
}

.exit-game, .exit-lobby {
    width: 100%;
}

.metro-btn.primary:hover { background: var(--accent-blue-hover); }

.metro-btn.danger { 
    background: var(--accent-red); 
}

.metro-btn.exit::after { 
    display: none;
}

.metro-btn.secondary { 
    border: 2px solid var(--metro-surface-hover); 
    background: transparent;
}

.metro-btn.secondary:hover { background: var(--metro-surface-hover); }
.metro-btn.accent-purple { background: var(--accent-purple); }
.metro-btn.accent-green { background: var(--accent-green); }
.metro-btn.accent-orange { background: var(--accent-orange); }

.metro-btn-group {
    display: flex;
    gap: var(--spacing-s);
}
.metro-btn-group .metro-btn { flex: 1; }

.metro-error {
    background: var(--accent-red);
    color: white;
    padding: 10px;
    margin-bottom: var(--spacing-m);
    font-weight: 600;
}

/* --- ЛОББИ --- */
.metro-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: var(--spacing-l);
    flex-wrap: wrap;
    gap: var(--spacing-m);
}

.metro-user-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-s);
}

.user-profile-trigger {
    display: flex;
    align-items: center;
    background: var(--accent-blue);
    padding: 7.5px 15px 7.5px 5px;
    cursor: pointer;
    transition: transform 0.1s;
    position: relative;
}
.user-profile-trigger:active { transform: scale(0.96); }

.rank-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    font-size: 1.5rem;
    z-index: 10;
    line-height: 1;
}

.user-avatar {
    font-size: 1.5rem;
    margin-right: 10px;
}
.user-name { font-weight: 600; }

.metro-grid-lobby {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-l);
}

.metro-list {
    background: var(--metro-surface);
    max-height: 350px;
    overflow-y: auto;
}
.metro-list-item {
    padding: 12px;
    border-bottom: 1px solid var(--metro-bg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.metro-list-item:hover { background: var(--metro-surface-hover); }

.metro-tile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: var(--spacing-s);
    margin-bottom: 5px;
}

.metro-tile {
    background: var(--accent-blue);
    padding: 10px;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    transition: transform 0.1s;
}
.metro-tile.playing { background: var(--metro-surface-hover); color: var(--metro-text-dim); }

.metro-tile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.metro-tile-title { font-size: 1.2rem; font-weight: 600; }
.metro-tile-cat { font-size: 0.8rem; opacity: 0.8; text-transform: uppercase; }
.metro-tile-author { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; }

/* --- ИГРОВОЙ ЭКРАН --- */
.metro-game-layout {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.metro-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-l);
    background: var(--metro-surface);
    padding: var(--spacing-s);
}

.metro-player-tile {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px 20px;
    background: var(--metro-bg);
    border-left: 5px solid transparent;
    opacity: 0.5;
    transition: 0.3s;
}
.metro-player-tile.active { opacity: 1; border-color: var(--accent-blue); }
#p2Display.active { border-color: var(--accent-orange); }

.avatar-lg { font-size: 2rem; }
.player-details { display: flex; flex-direction: column; }
.player-name { font-weight: 600; font-size: 1.1rem; }
.player-score { font-size: 1.5rem; font-weight: 300; color: var(--accent-blue); }
#p2Display .player-score { color: var(--accent-orange); }

.metro-turn-indicator {
    text-align: center;
    color: var(--metro-text-dim);
}
.metro-turn-indicator div { font-size: 1.2rem; color: var(--metro-text); font-weight: 600; }

.metro-board {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: repeat(6, 1fr);
    gap: 10px;
    aspect-ratio: 1 / 1;
    width: 100%;
}

.card {
    width: 100%;
    height: 100%;
    perspective: 1000px;
    cursor: pointer;
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
}

.card.flipped .card-inner { transform: rotateY(180deg); }

.card-front, .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 2px solid transparent;
}

.card-front {
    background: var(--accent-blue);
}
.card-front::after {
    content: "?";
    font-size: clamp(20px, 4vw, 40px);
    font-family: 'Segoe UI', sans-serif;
    font-weight: 300;
}

.card-back {
    background: var(--metro-surface);
    transform: rotateY(180deg);
    font-size: clamp(24px, 5vw, 40px);
}

.card.matched .card-back {
    border-color: currentColor; 
}

.metro-card-count {
    position: absolute; 
    top: 0; 
    right: 0; 
    background: var(--accent-red);
    color: white; 
    font-size: 12px; 
    font-weight: 600;
    padding: 2px 8px;
    z-index: 5;
    opacity: 0.9;
}

.flipped .metro-card-count {
    transform: rotateY(180deg);
    right: auto;
    left: 0;
}

.gameScreenBtn{
    display: flex;
    justify-content: center;
    align-items: end;
}

.gameScreenBtn #muteBtn-game{
    margin-left: 10px;
}

.metro-modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: var(--metro-bg);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-m);
    overflow-y: auto;
}

.metro-modal-content {
    width: 100%;
    max-width: 450px;
    animation: slideUp 0.3s ease-out;
    height: 100%;
}
.metro-modal-content.wide { 
    max-width: 600px; 
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.metro-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 10px;
}
.stat-tile {
    background: var(--metro-surface);
    padding: 5px;
    text-align: center;
    border-bottom: 4px solid var(--accent-blue);
}
.stat-emoji { font-size: 1.5rem; }
.stat-cat { font-size: 0.8rem; color: var(--metro-text-dim); text-transform: uppercase; margin-top: 5px; }
.stat-count { font-weight: 600; color: var(--metro-text); }

/* --- СВЕТЛАЯ ТЕМА --- */
body.theme-light {
    --metro-bg: #e5e5e5;
    --metro-surface: #ffffff;
    --metro-surface-hover: #cccccc;
    --metro-text: #000000;
    --metro-text-dim: #555555;
}

body.theme-light .card-back {
    background: var(--metro-surface);
    color: var(--metro-text);
    border-color: var(--metro-surface-hover);
}

body.theme-light .metro-modal {
    background: rgba(229, 229, 229, 0.95);
}

.metro-spectate-badge {
    background: var(--metro-surface-hover);
    color: var(--metro-text);
    padding: 4px 10px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin: 10px 0;
}

.metro-btn-link {
    background: none;
    border: none;
    color: var(--accent-blue);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0;
    text-align: left;
    display: block;
    margin-top: var(--spacing-l);
    text-align: right;
    width: 100%;
}
.metro-btn-link:hover { text-decoration: underline; }

.metro-tabs { display: flex; gap: var(--spacing-s); }
.metro-tabs .metro-btn { flex: 1; margin: 0; }

.metro-tile-room-cat {
    margin-left: auto;
    opacity: 0.7;
}

.createRoomBtns{
    display: flex;
    justify-content: space-between;
}

.createRoomBtns button{
    width: 45%;
    font-size: 0.8rem;
}

/* --- АДАПТИВНОСТЬ --- */
.mobile-only { display: none !important; }

@media (max-width: 850px) {
    .metro-grid-lobby { grid-template-columns: minmax(0, 1fr) }
    .metro-header { flex-direction: column; align-items: flex-start; }
    .metro-user-bar { 
        width: 100%; 
        justify-content: space-between; 
    }
    .mobile-only { display: block !important; }
    .desktop-only { display: none !important; }
    
    #leaderboardWrapper {
        display: none;
        position: fixed;
        top: 0; left: 0;
        width: 100%; height: 100%;
        background: var(--metro-bg);
        z-index: 1000;
        justify-content: center;
        align-items: center;
        padding: var(--spacing-m);
    }
    
    #leaderboardWrapper.show-modal {
        display: flex;
    }
    
    .leaderboard-inner {
        width: 100%;
        max-width: 450px;
        animation: slideUp 0.3s ease-out;
    }

    .user-name{
        font-size: 0;
    }
}

@media (max-width: 600px) {
    .metro-title { font-size: 2.5rem; }
    .metro-status-bar { flex-wrap: wrap; justify-content: center; gap: 10px; }
    .metro-turn-indicator { order: -1; width: 100%; border-bottom: 1px solid var(--metro-surface-hover); padding-bottom: 10px; }
    .metro-player-tile { padding: 5px 10px; }
    .avatar-lg { font-size: 1.5rem; }
    .metro-board { gap: 5px; }

    .danger div{ 
        display: none;
    }

    .metro-btn.exit::after {
        display: block; 
        content: "↩";
        font-size: 1rem;
    }
}

@media (max-width: 400px) {
    .metro-user-bar .metro-btn, .user-profile-trigger{
        padding: 10px;
    }

    .user-avatar{
        font-size: 1rem;
        margin-right: 0;
    }

    .player-details{
        display: contents;
    }
  
    .player-name{
        font-size: 0.9rem;
    }

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

    .metro-tile-title{
        font-size: 0.9rem;
    }

    .metro-card-count{
        font-size: 8px;
        padding: 2px 5px;
    }
}