:root {
    --primary: #6965db;
    --primary-dark: #5753c6;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-800: #1f2937;
    --gray-900: #111827;
}

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

html, body {
    width: 100%;
    min-height: 100vh;
    overflow: hidden;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--gray-900);
}

.hidden { display: none !important; }

/* Share Button */
.share-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    z-index: 100;
    transition: all 0.3s ease;
}

.share-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.3);
}

/* Connection Status */
.connection-status {
    position: fixed;
    top: 20px;
    left: 20px;
    background: rgba(255, 255, 255, 0.95);
    padding: 8px 16px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    z-index: 100;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--danger);
    animation: pulse 2s infinite;
}

.connection-status.connected .status-dot {
    background: var(--success);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Game Container */
.game-container {
    display: flex;
    flex-direction: column;
    width: 100vw;
    height: 100vh;
    background: white;
}

/* Header */
.game-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    z-index: 10;
}

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

.header-left h1 {
    font-size: 24px;
    margin: 0;
}

.room-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.timer {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
}

.round-info {
    background: rgba(255, 255, 255, 0.2);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
}

/* Game Layout */
.game-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebars */
.sidebar-left, .sidebar-right {
    width: 280px;
    background: var(--gray-50);
    border-right: 2px solid var(--gray-100);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-right {
    border-right: none;
    border-left: 2px solid var(--gray-100);
}

.players-panel, .current-word-panel, .chat-panel {
    padding: 20px;
    border-bottom: 2px solid var(--gray-100);
}

.players-panel h3, .current-word-panel h3, .chat-panel h3 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--primary);
}

/* Players List */
.players-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.player-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.player-item.drawing {
    background: linear-gradient(135deg, rgba(105, 101, 219, 0.1) 0%, rgba(105, 101, 219, 0.05) 100%);
    border: 2px solid var(--primary);
}

.player-item.guessed {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
    border: 2px solid var(--success);
}

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

.player-name {
    font-weight: 600;
}

.player-score {
    background: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 700;
}

/* Word Display */
.word-display {
    background: white;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.word-hint {
    margin-top: 12px;
    text-align: center;
    font-size: 14px;
    color: var(--gray-800);
    font-style: italic;
}

/* Canvas Area */
.canvas-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--gray-50);
    position: relative;
    padding: 20px;
}

.artist-banner {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 12px 24px;
    border-radius: 24px;
    font-size: 18px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    z-index: 5;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateX(-50%) translateY(-20px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

#drawingCanvas {
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    cursor: crosshair;
    max-width: 100%;
    max-height: 100%;
}

#drawingCanvas.disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

/* Drawing Tools */
.drawing-tools {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: 16px;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    display: flex;
    gap: 16px;
    align-items: center;
}

.tool-group {
    display: flex;
    gap: 8px;
    align-items: center;
}

.tool-btn {
    width: 44px;
    height: 44px;
    border: 2px solid var(--gray-100);
    background: white;
    border-radius: 8px;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tool-btn:hover {
    background: var(--gray-50);
    border-color: var(--primary);
}

.tool-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.color-picker {
    display: flex;
    gap: 6px;
}

.color-btn {
    width: 32px;
    height: 32px;
    border: 2px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.color-btn:hover {
    transform: scale(1.1);
}

.color-btn.active {
    border-color: var(--gray-900);
    box-shadow: 0 0 0 2px white, 0 0 0 4px var(--gray-900);
}

#brushSize {
    width: 100px;
}

/* Chat Panel */
.chat-panel {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding-bottom: 0;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    background: white;
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chat-message {
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
    background: var(--gray-50);
    word-wrap: break-word;
}

.chat-message.system {
    background: var(--info);
    color: white;
    font-style: italic;
}

.chat-message.correct {
    background: var(--success);
    color: white;
    font-weight: 600;
}

.chat-message.close {
    background: var(--warning);
    color: white;
}

.chat-input-area {
    display: flex;
    gap: 8px;
    padding: 16px;
    background: white;
    border-radius: 8px;
}

.chat-input-area input {
    flex: 1;
    padding: 10px 14px;
    border: 2px solid var(--gray-100);
    border-radius: 8px;
    font-size: 14px;
}

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

.chat-input-area button {
    padding: 10px 20px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.chat-input-area button:hover {
    background: var(--primary-dark);
}

/* Control Panel (Lobby/Results) */
.control-panel {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    text-align: center;
    min-width: 400px;
    z-index: 20;
}

.control-panel h2 {
    color: var(--primary);
    margin-bottom: 24px;
    font-size: 28px;
}

.lobby-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.lobby-info {
    color: var(--gray-800);
    font-size: 14px;
}

.game-settings {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 20px 0;
}

.game-settings label {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-800);
}

.game-settings select {
    padding: 10px;
    border: 2px solid var(--gray-100);
    border-radius: 8px;
    font-size: 14px;
    background: white;
}

.btn-primary {
    padding: 16px 32px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(105, 101, 219, 0.4);
}

.btn-primary:disabled {
    background: var(--gray-100);
    color: var(--gray-800);
    cursor: not-allowed;
}

/* Results Display */
.results-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.final-scores {
    background: var(--gray-50);
    padding: 20px;
    border-radius: 12px;
}

.score-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    margin-bottom: 8px;
    background: white;
    border-radius: 8px;
}

.score-item.winner {
    background: var(--success);
    color: white;
    font-weight: 700;
    font-size: 18px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .game-layout {
        flex-direction: column;
    }

    .sidebar-left, .sidebar-right {
        width: 100%;
        border: none;
        border-bottom: 2px solid var(--gray-100);
    }

    .canvas-area {
        flex: 1;
    }

    .control-panel {
        min-width: 90vw;
        padding: 24px;
    }
}