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

:root {
    --bg: #0a0a1a;
    --bg2: #12122a;
    --bg3: #1a1a3a;
    --neon: #00f0ff;
    --neon2: #b000ff;
    --neon-glow: 0 0 10px #00f0ff55, 0 0 30px #00f0ff22;
    --neon-glow2: 0 0 10px #b000ff55, 0 0 30px #b000ff22;
    --text: #e0e0ff;
    --text-dim: #8888aa;
    --border: #2a2a4a;
    --accent: #00f0ff;
    --success: #00ff88;
    --danger: #ff4466;
    --radius: 10px;
}

html, body {
    width: 100%;
    height: 100%;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    overflow: hidden;
    color: var(--text);
}

#main-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 960px;
    max-height: 92vh;
    background: var(--bg2);
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: var(--neon-glow), 0 20px 60px rgba(0,0,0,.6);
    z-index: 100;
    overflow-y: auto;
    overflow-x: hidden;
}

.game-wrapper {
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* Ads */
.ad-slot { position: fixed; z-index: 50; background: var(--bg3); display: flex; align-items: center; justify-content: center; font-size: 11px; color: var(--text-dim); border: 1px dashed var(--border); }
.ad-top { top: 0; left: 50%; transform: translateX(-50%); width: 728px; height: 90px; }
.ad-bottom { bottom: 0; left: 50%; transform: translateX(-50%); width: 728px; height: 90px; }
.ad-left { left: 0; top: 50%; transform: translateY(-50%); width: 160px; height: 600px; }
.ad-right { right: 0; top: 50%; transform: translateY(-50%); width: 160px; height: 600px; }
@media (max-width: 1400px) { .ad-left, .ad-right { display: none; } }
@media (max-width: 900px) { .ad-top, .ad-bottom { display: none; } #main-container { width: 95vw; max-height: 95vh; } }

/* Header */
.game-header {
    text-align: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
}
.game-header h1 {
    font-size: 2.4em;
    color: var(--neon);
    text-shadow: var(--neon-glow);
    letter-spacing: 2px;
}
.game-subtitle {
    font-size: .85em;
    color: var(--text-dim);
    letter-spacing: 4px;
    text-transform: uppercase;
}

/* Game Area */
.game-area {
    display: flex;
    gap: 16px;
    flex: 1;
    min-height: 0;
}

/* Canvas */
.canvas-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--neon);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--neon-glow);
}
.canvas-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    background: linear-gradient(135deg, #1a1a3a 0%, #2a1a4a 100%);
    color: var(--neon);
    font-weight: 600;
    font-size: .9em;
}
.round-timer {
    font-weight: 700;
    padding: 4px 14px;
    background: rgba(0,240,255,.12);
    border: 1px solid var(--neon);
    border-radius: 20px;
    color: var(--neon);
    text-shadow: var(--neon-glow);
}
#timer { font-size: 1.2em; }

.drawing-canvas {
    display: block;
    background: #ffffff;
    cursor: crosshair;
    width: 100%;
    height: auto;
}

.canvas-toolbar {
    display: flex;
    gap: 14px;
    padding: 10px 14px;
    background: var(--bg3);
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
    align-items: center;
}
.toolbar-group { display: flex; align-items: center; gap: 6px; }
.toolbar-group label { font-size: .8em; color: var(--text-dim); }
#colorPicker { width: 36px; height: 36px; border: 2px solid var(--border); border-radius: 6px; cursor: pointer; background: transparent; }
#brushSize { width: 80px; accent-color: var(--neon); }
#sizeDisplay { min-width: 24px; font-size: .85em; color: var(--neon); }

.toolbar-btn, .send-btn, .join-btn {
    padding: 8px 16px;
    background: transparent;
    color: var(--neon);
    border: 1px solid var(--neon);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: .85em;
    transition: all .2s;
}
.toolbar-btn:hover, .send-btn:hover, .join-btn:hover {
    background: rgba(0,240,255,.15);
    box-shadow: var(--neon-glow);
}

/* Sidebar */
.sidebar {
    width: 280px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.panel {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg3);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.panel h3 {
    padding: 10px 14px;
    font-size: .85em;
    color: var(--neon);
    border-bottom: 1px solid var(--border);
    background: var(--bg2);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Players */
.players-panel { min-height: 120px; }
.players-list { list-style: none; padding: 8px; }
.player-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    font-size: .85em;
}
.player-item:last-child { border-bottom: none; }
.player-name { font-weight: 500; color: var(--text); }
.player-score { color: var(--neon); font-weight: 700; }

/* Secret / Hint */
.secret-word {
    padding: 14px;
    text-align: center;
    font-size: 1.4em;
    color: var(--neon2);
    font-weight: 700;
    letter-spacing: 3px;
    text-shadow: var(--neon-glow2);
}
.word-hint {
    padding: 14px;
    text-align: center;
    font-size: 1.2em;
    color: var(--neon);
    font-weight: 700;
    letter-spacing: 4px;
}

/* Chat */
.chat-panel { flex: 1; min-height: 0; }
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
    font-size: .82em;
    background: var(--bg);
    max-height: 200px;
}
.chat-message {
    margin-bottom: 6px;
    padding: 6px 10px;
    border-radius: 6px;
    word-wrap: break-word;
}
.user-message { background: rgba(0,240,255,.08); color: var(--neon); }
.system-message { background: rgba(176,0,255,.08); color: var(--neon2); text-align: center; font-style: italic; }
.correct-guess { background: rgba(0,255,136,.12); color: var(--success); font-weight: 700; }

.chat-input-group {
    display: flex;
    gap: 8px;
    padding: 8px;
    border-top: 1px solid var(--border);
}
#guessInput {
    flex: 1;
    padding: 8px 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: .85em;
}
#guessInput:focus { outline: none; border-color: var(--neon); box-shadow: 0 0 0 2px rgba(0,240,255,.15); }

/* Status */
.game-status { text-align: center; padding: 8px; font-size: .8em; color: var(--text-dim); }

/* Lobby */
.lobby-screen {
    position: absolute;
    inset: 0;
    background: var(--bg2);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    border-radius: 16px;
}
.lobby-content { text-align: center; max-width: 400px; padding: 40px 20px; }
.lobby-content h2 {
    font-size: 2.8em;
    color: var(--neon);
    text-shadow: var(--neon-glow);
    margin-bottom: 8px;
    letter-spacing: 3px;
}
.lobby-content p { color: var(--text-dim); margin-bottom: 20px; line-height: 1.6; }
.lobby-form { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
#playerNameInput {
    padding: 14px;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 1em;
    text-align: center;
    color: var(--text);
}
#playerNameInput:focus { outline: none; border-color: var(--neon); box-shadow: var(--neon-glow); }
.join-btn {
    padding: 14px;
    font-size: 1.1em;
    background: rgba(0,240,255,.12);
    border: 2px solid var(--neon);
    text-shadow: var(--neon-glow);
}
.join-btn:hover { background: rgba(0,240,255,.25); }
.game-instructions {
    text-align: left;
    font-size: .82em;
    color: var(--text-dim);
    background: var(--bg);
    padding: 16px;
    border-radius: 8px;
    border: 1px solid var(--border);
    line-height: 1.7;
}
.game-instructions strong { color: var(--neon); }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--neon); }

/* Responsive */
@media (max-width: 800px) {
    #main-container { width: 95vw; max-height: 95vh; }
    .game-wrapper { padding: 10px; }
    .game-area { flex-direction: column; gap: 10px; }
    .sidebar { width: 100%; }
    .game-header h1 { font-size: 1.8em; }
}
@media print { .ad-slot { display: none; } }