:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #141419;
    --bg-card: #1c1c24;
    --bg-elevated: #252530;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b8;
    --text-muted: #6b6b80;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-glow: rgba(99, 102, 241, 0.3);
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.3);
    --danger: #ef4444;
    --warning: #f59e0b;
    --border: #2d2d3a;
    --border-light: #404050;
    --shadow: rgba(0, 0, 0, 0.5);
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 40% 80%, rgba(16, 185, 129, 0.06) 0%, transparent 50%),
                var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    font-weight: 400;
    line-height: 1.6;
}

/* Particle Background */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particles::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(99, 102, 241, 0.15) 2px, transparent 2px),
        radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.12) 2px, transparent 2px),
        radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.08) 1px, transparent 1px);
    background-size: 100px 100px, 150px 150px, 200px 200px;
    animation: particleFloat 25s linear infinite;
}

@keyframes particleFloat {
    0% { transform: translateY(0) rotate(0deg); opacity: 1; }
    50% { transform: translateY(-30px) rotate(180deg); opacity: 0.7; }
    100% { transform: translateY(-60px) rotate(360deg); opacity: 0.3; }
}

/* Top Controls */
.top-controls {
    position: fixed;
    top: 24px;
    left: 24px;
    right: 24px;
    display: flex;
    justify-content: space-between;
    z-index: 1000;
    pointer-events: none;
}

.control-btn {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px 16px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
    pointer-events: all;
    display: flex;
    align-items: center;
    gap: 8px;
}

.control-btn:hover {
    background: var(--bg-elevated);
    border-color: var(--accent-primary);
    box-shadow: 0 8px 32px var(--accent-glow);
    transform: translateY(-2px);
}

/* Settings Popup */
.settings-popup {
    position: fixed;
    top: 80px;
    right: 24px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 16px 64px rgba(0, 0, 0, 0.3);
    z-index: 1001;
    opacity: 0;
    transform: translateY(-16px) scale(0.95);
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 320px;
}

.settings-popup.show {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

.settings-content h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    gap: 16px;
}

.setting-item label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    min-width: 120px;
}

.setting-item select,
.setting-item input[type="range"] {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.875rem;
    flex: 1;
    min-width: 140px;
    transition: all 0.2s ease;
}

.setting-item select:focus,
.setting-item input[type="range"]:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.setting-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--accent-primary);
}

#volumeValue {
    font-size: 0.875rem;
    color: var(--text-secondary);
    min-width: 40px;
    font-weight: 500;
}

/* Bulk Import Section */
.bulk-import-section {
    margin-bottom: 20px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-secondary);
    overflow: hidden;
}

.bulk-import-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
}

.bulk-import-header h4 {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0;
}

.toggle-bulk-btn {
    background: transparent;
    border: none;
    color: var(--accent-primary);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.toggle-bulk-btn:hover {
    background: var(--glass);
    color: var(--accent-secondary);
}

.toggle-bulk-btn svg {
    transition: transform 0.3s ease;
}

.bulk-import-content {
    padding: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.bulk-import-content.hidden {
    max-height: 0;
    padding: 0 16px;
    overflow: hidden;
}

#bulkNamesInput {
    width: 100%;
    padding: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.875rem;
    resize: vertical;
    min-height: 120px;
    margin-bottom: 12px;
    transition: all 0.3s ease;
}

#bulkNamesInput:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

#bulkNamesInput::placeholder {
    color: var(--text-muted);
    line-height: 1.4;
}

.bulk-import-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.bulk-add-btn {
    flex: 1;
    padding: 10px 16px;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.bulk-add-btn:hover {
    background: var(--accent-secondary);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px var(--accent-glow);
}

.bulk-clear-btn {
    padding: 10px 16px;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.bulk-clear-btn:hover {
    background: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--border-light);
}

.bulk-error-message {
    font-size: 0.8125rem;
    min-height: 1.2rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.bulk-error-message.error {
    color: var(--danger);
}

.bulk-error-message.success {
    color: var(--success);
}

/* App Container */
.app-container {
    display: grid;
    grid-template-columns: 1fr 380px;
    min-height: 100vh;
    gap: 24px;
    padding: 100px 24px 24px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.app-container.panel-hidden {
    grid-template-columns: 1fr 0px;
    justify-content: center;
}

/* Game Area */
.game-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

/* Game Tabs */
.game-tabs {
    display: flex;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 6px;
    gap: 4px;
    backdrop-filter: blur(12px);
    justify-content: center;
    align-items: center;
    width: fit-content;
    margin: 0 auto;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 12px 20px;
    border-radius: 12px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
}

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

.tab-btn.active {
    background: var(--accent-primary);
    color: white;
    box-shadow: 0 4px 16px var(--accent-glow);
}

.tab-icon {
    font-size: 1.2rem;
}

/* Game Container */
.game-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(1.1);
    width: 100%;
    max-width: 900px;
    margin: 40px auto;
}

.game-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 24px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    padding: 40px;
    backdrop-filter: blur(12px);
    box-shadow: 0 16px 64px rgba(0, 0, 0, 0.2);
    width: 100%;
    min-width: 600px;
}

#plinkoGame .game-wrapper {
    min-width: 600px;
    padding: 20px 40px;
    width: 100%;
    max-width: 640px;
}

canvas {
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: transform 0.1s ease;
}

.game-pointer {
    position: absolute;
    top: 50%;
    right: -12px;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    z-index: 5;
    filter: drop-shadow(0 4px 16px var(--shadow));
    color: var(--accent-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

#spinnerGame .game-pointer {
    opacity: 1;
}

.game-wrapper:has(#spinnerCanvas) .game-pointer {
    opacity: 1;
}

/* Winner Display */
.winner-display {
    text-align: center;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    min-width: 500px;
    margin: 20px 0;
}

.winner-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.winner-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.winner-text.winner {
    color: var(--success);
    font-size: 1.75rem;
    text-shadow: 0 0 24px var(--success-glow);
    animation: winnerPulse 2s ease-in-out infinite alternate;
}

@keyframes winnerPulse {
    0% { transform: scale(1); }
    100% { transform: scale(1.05); }
}

/* Play Button */
.play-section {
    width: 100%;
    max-width: 400px;
}

.play-btn {
    width: 100%;
    padding: 20px 32px;
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    font-family: inherit;
    font-size: 1.125rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px var(--success-glow);
}

.play-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.play-btn:not(:disabled):hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 48px var(--success-glow);
}

.play-btn:not(:disabled):hover::before {
    left: 100%;
}

.play-btn:disabled {
    background: var(--bg-elevated);
    cursor: not-allowed;
    opacity: 0.6;
    box-shadow: none;
}

.play-btn.playing {
    background: var(--warning);
    cursor: not-allowed;
}

.play-btn.playing .play-icon {
    animation: playingSpin 1s linear infinite;
}

@keyframes playingSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.play-icon {
    font-size: 1.5rem;
}

/* Control Panel */
.control-panel {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 16px 64px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    gap: 24px;
    height: fit-content;
    max-height: calc(100vh - 140px);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.control-panel.hidden {
    transform: translateX(100%);
    opacity: 0;
    pointer-events: none;
    width: 0;
    padding: 0;
    margin: 0;
}

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

.panel-header h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

.name-counter {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border);
}

/* Input Section */
.input-group {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

#nameInput {
    flex: 1;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

#nameInput:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.add-btn {
    padding: 12px;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.add-btn:hover {
    background: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

.error-message {
    color: var(--danger);
    font-size: 0.8125rem;
    min-height: 1.2rem;
    font-weight: 500;
}

/* Names Section */
.names-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 8px;
}

.names-header h3 {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
}

.names-controls {
    display: flex;
    gap: 6px;
    align-items: center;
}

.control-small-btn {
    padding: 6px 10px;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 4px;
    opacity: 0;
    transform: scale(0.9);
}

.control-small-btn.show {
    opacity: 1;
    transform: scale(1);
}

.control-small-btn:hover {
    background: var(--accent-secondary);
    transform: scale(1) translateY(-1px);
    box-shadow: 0 4px 16px var(--accent-glow);
}

.clear-btn {
    padding: 6px 10px;
    background: var(--danger);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: scale(0.9);
}

.clear-btn.show {
    opacity: 1;
    transform: scale(1);
}

.clear-btn:hover {
    background: #dc2626;
    transform: scale(1) translateY(-1px);
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3);
}

.names-container {
    position: relative;
    min-height: 200px;
}

.names-list {
    list-style: none;
    max-height: 320px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-secondary);
    scrollbar-width: none;
}

.names-list::-webkit-scrollbar {
    width: 0px;
    background: transparent;
}

.names-list::-webkit-scrollbar-track {
    background: transparent;
}

.names-list::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.3);
    border-radius: 6px;
    border: 2px solid transparent;
    background-clip: padding-box;
}

.names-list::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.5);
    background-clip: padding-box;
}

.names-list:empty::after {
    content: "No names added yet";
    display: block;
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
}

.name-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
    animation: slideInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.name-item:last-child {
    border-bottom: none;
}

.name-item:hover {
    background: var(--glass);
}

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

.name-text {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.875rem;
}

.remove-btn {
    background: var(--danger);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 4px 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.7;
}

.remove-btn:hover {
    background: #dc2626;
    transform: scale(1.1);
    opacity: 1;
}

/* Empty State */
.empty-state {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-muted);
    text-align: center;
    padding: 40px 20px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-secondary);
}

.empty-state.hidden {
    display: none;
}

.empty-icon {
    font-size: 2rem;
    opacity: 0.5;
}

.empty-state p {
    font-weight: 500;
    margin-bottom: 4px;
}

.empty-state small {
    font-size: 0.8125rem;
    opacity: 0.7;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .top-controls {
        top: 16px;
        left: 16px;
        right: 16px;
    }
    
    .app-container {
        grid-template-columns: 1fr;
        padding: 80px 16px 16px;
        gap: 16px;
    }
    
    .app-container.panel-hidden {
        grid-template-columns: 1fr;
    }
    
    .control-panel {
        order: -1;
        max-height: 400px;
        padding: 20px;
    }
    
    .control-panel.hidden {
        transform: translateY(-100%);
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        width: 100%;
        z-index: 50;
        max-height: 100vh;
    }
    
    .game-area {
        gap: 24px;
    }
    
    .game-tabs {
        padding: 4px;
        gap: 2px;
    }
    
    .tab-btn {
        padding: 10px 12px;
        font-size: 0.8125rem;
    }
    
    .tab-icon {
        font-size: 1rem;
    }
    
    .game-wrapper {
        padding: 20px;
        min-width: auto;
        width: 100%;
    }
    
    .game-container {
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
        transform: scale(1);
        width: 100%;
        max-width: 100%;
        margin: 0 auto;
    }
    
    canvas {
        width: 320px !important;
        height: 320px !important;
    }
    
    #plinkoCanvas {
        width: 320px !important;
        height: 400px !important;
    }
    
    .winner-display {
        min-width: auto;
        width: 100%;
        padding: 20px;
    }
    
    .play-section {
        width: 100%;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .add-btn {
        width: 100%;
    }
    
    .names-list {
        max-height: 200px;
    }
}

@media (max-width: 480px) {
    .game-tabs {
        width: 100%;
    }
    
    .tab-btn {
        flex: 1;
        justify-content: center;
    }
    
    .tab-btn span {
        display: none;
    }
    
    .tab-icon {
        font-size: 1.25rem;
    }
}