* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --bg-dark: #0f0f1a;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --accent-gold: #ffd700;
    --accent-blue: #00d4ff;
    --accent-green: #00ff88;
    --accent-red: #ff4757;
    --accent-purple: #a855f7;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    --border-subtle: rgba(255, 255, 255, 0.1);
    --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.2);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    background-image: 
        radial-gradient(ellipse at top, rgba(168, 85, 247, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    color: var(--text-primary);
    min-height: 100vh;
    min-height: 100dvh;
    margin: 0;
    padding: 16px;
    padding-bottom: 100px;
}

.container {
    max-width: 500px;
    margin: 0 auto;
}

/* Typography */
h1 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0 0 8px 0;
    background: linear-gradient(135deg, var(--accent-gold) 0%, #fff 50%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

h2 {
    color: var(--accent-gold);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 16px 0;
}

h3 {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 0 0 12px 0;
}

p {
    line-height: 1.6;
    margin: 12px 0;
    font-size: 1rem;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 500;
}

a:hover {
    text-decoration: underline;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 24px;
}

#share-btn {
    background: transparent;
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s ease;
    margin-top: 8px;
}

#share-btn:hover {
    background: var(--accent-blue);
    color: white;
}

#share-btn.copied {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: var(--bg-dark);
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 20px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    text-align: center;
}

.card h2 {
    text-align: center;
}

/* Error Message */
.error-message {
    background: rgba(255, 71, 87, 0.15);
    border: 1px solid var(--accent-red);
    color: var(--accent-red);
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 500;
}

/* Forms */
form {
    display: block;
    width: 100%;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

input[type="text"],
input[type="number"] {
    width: 100%;
    padding: 18px 20px;
    border: 2px solid var(--border-subtle);
    border-radius: 14px;
    background: rgba(0, 0, 0, 0.4);
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 500;
    transition: all 0.2s ease;
}

input[type="text"]:focus,
input[type="number"]:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.15);
}

input::placeholder {
    color: var(--text-muted);
}

/* Buttons */
.btn {
    padding: 18px 32px;
    border: none;
    border-radius: 14px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    -webkit-appearance: none;
    appearance: none;
    position: relative;
    overflow: hidden;
}

.btn:active {
    transform: scale(0.96);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
    color: white;
    width: 100%;
    display: block;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 30px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    width: 100%;
    display: block;
    border: 2px solid var(--border-subtle);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-blue);
}

.btn-even {
    background: linear-gradient(135deg, var(--accent-green) 0%, #00cc6a 100%);
    color: #000;
    font-size: 1.4rem;
    padding: 24px 40px;
    flex: 1;
    min-width: 130px;
    box-shadow: 0 4px 20px rgba(0, 255, 136, 0.3);
}

.btn-even:hover {
    box-shadow: 0 6px 30px rgba(0, 255, 136, 0.4);
}

.btn-odd {
    background: linear-gradient(135deg, var(--accent-red) 0%, #ff2d42 100%);
    color: white;
    font-size: 1.4rem;
    padding: 24px 40px;
    flex: 1;
    min-width: 130px;
    box-shadow: 0 4px 20px rgba(255, 71, 87, 0.3);
}

.btn-odd:hover {
    box-shadow: 0 6px 30px rgba(255, 71, 87, 0.4);
}

/* Players Section */
.players-section {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 12px;
    margin-bottom: 16px;
    border: 1px solid var(--border-subtle);
}

.players-section h3 {
    margin: 0 0 10px 4px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.players-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
}

.player-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 10px 8px;
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
}

.player-card.you {
    border-color: var(--accent-blue);
    background: rgba(0, 212, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.15);
}

.player-card.current {
    border-color: var(--accent-gold);
    background: rgba(255, 215, 0, 0.1);
    animation: glow-pulse 2s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { 
        box-shadow: 0 0 20px rgba(255, 215, 0, 0.2);
    }
    50% { 
        box-shadow: 0 0 30px rgba(255, 215, 0, 0.4);
    }
}

.player-card.spectator {
    opacity: 0.4;
    background: rgba(100, 100, 100, 0.1);
}

.player-card.disconnected {
    opacity: 0.35;
    border-color: var(--accent-red);
    background: rgba(255, 71, 87, 0.05);
}

.player-name {
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-marbles {
    color: var(--accent-gold);
    font-size: 0.95rem;
    font-weight: 600;
}

.player-status {
    color: var(--text-muted);
    font-size: 0.7rem;
    margin-top: 4px;
    font-weight: 500;
}

.player-guessed {
    color: var(--accent-green);
    font-size: 0.7rem;
    margin-top: 4px;
    font-weight: 600;
}

.player-disconnected {
    color: var(--accent-red);
    font-size: 0.75rem;
    margin-top: 6px;
    font-weight: 600;
}

.player-countdown {
    color: var(--accent-gold);
    font-size: 0.75rem;
    margin-top: 6px;
    font-weight: 600;
    animation: pulse 1s ease-in-out infinite;
}

.countdown-timer {
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Game Area */
.game-area {
    background: var(--bg-card);
    border-radius: 24px;
    padding: 20px 16px;
    text-align: center;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-subtle);
}

.phase-info {
    width: 100%;
}

.phase-info h2 {
    margin-bottom: 12px;
    font-size: 1.4rem;
}

.phase-info p {
    margin: 8px 0;
}

.hint {
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.95rem;
    margin-top: 12px;
}

.waiting-animation {
    font-size: 2rem;
    color: var(--accent-gold);
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Place Form */
.place-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    width: 100%;
}

/* Marble Grid - Simple tappable buttons */
.marble-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    max-width: 280px;
    margin: 0 auto 8px;
}

.marble-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 2px solid var(--border-subtle);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
    -webkit-user-select: none;
}

.marble-btn:hover {
    border-color: var(--accent-blue);
    color: var(--text-primary);
}

.marble-btn:active {
    transform: scale(0.95);
}

.marble-btn.selected {
    background: linear-gradient(135deg, var(--accent-gold) 0%, #ffaa00 100%);
    color: #000;
    border-color: var(--accent-gold);
    transform: scale(1.08);
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.4);
}

.marble-count {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
}

.marble-count span {
    color: var(--accent-gold);
    font-weight: 700;
    font-size: 1.2rem;
}

/* Marble Animations */
.marble-animation-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1000;
    overflow: hidden;
}

.animated-marble {
    position: absolute;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #fff 0%, var(--accent-gold) 30%, #b8860b 100%);
    box-shadow: 
        0 0 10px rgba(255, 215, 0, 0.6),
        inset 0 -3px 6px rgba(0, 0, 0, 0.3),
        inset 0 3px 6px rgba(255, 255, 255, 0.4);
    pointer-events: none;
}

/* Marbles flying OUT (when playing or losing) */
.animated-marble.fly-out {
    animation: marble-fly-out 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animated-marble.fly-out.lost {
    background: radial-gradient(circle at 30% 30%, #ffcccc 0%, var(--accent-red) 30%, #8b0000 100%);
    box-shadow: 
        0 0 10px rgba(255, 0, 0, 0.6),
        inset 0 -3px 6px rgba(0, 0, 0, 0.3),
        inset 0 3px 6px rgba(255, 255, 255, 0.4);
}

@keyframes marble-fly-out {
    0% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
    100% {
        opacity: 0;
        transform: scale(0.5) translateY(-100vh);
    }
}

/* Marbles flying IN (when receiving) */
.animated-marble.fly-in {
    animation: marble-fly-in 1.2s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes marble-fly-in {
    0% {
        opacity: 0;
        transform: scale(0.5) translateY(-100vh);
    }
    70% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: scale(1) translateY(0);
    }
}

/* Status bar marble count animation */
.your-status.marbles-changed strong {
    animation: marble-count-pulse 0.5s ease;
    display: inline-block;
}

.your-status.marbles-gained strong {
    color: var(--accent-green);
}

.your-status.marbles-lost strong {
    color: var(--accent-red);
}

@keyframes marble-count-pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.4); }
    100% { transform: scale(1); }
}

/* Legacy input - hide but keep for fallback */
.marble-input {
    display: none;
}

/* Guess Buttons */
.guess-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-top: 24px;
}

/* Results */
.result-phase {
    animation: slide-up 0.4s ease-out;
}

@keyframes slide-up {
    from { 
        opacity: 0; 
        transform: translateY(30px);
    }
    to { 
        opacity: 1; 
        transform: translateY(0);
    }
}

.result-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 20px;
    margin: 20px 0;
}

.result-answer {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent-gold);
    margin: 12px 0;
}

.winners {
    color: var(--accent-green);
    font-size: 1.1rem;
    font-weight: 600;
}

.losers {
    color: var(--accent-red);
    font-size: 1.1rem;
    font-weight: 600;
}

/* Game Over */
.game-over {
    animation: celebration 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes celebration {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.winner-announcement {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.2) 0%, rgba(168, 85, 247, 0.2) 100%);
    border-radius: 20px;
    padding: 24px;
    margin: 16px 0;
    border: 2px solid var(--accent-gold);
    box-shadow: 0 0 40px rgba(255, 215, 0, 0.2);
}

.winner-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-gold);
    margin: 0;
}

.you-won {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-green);
    margin-top: 16px;
    animation: bounce 0.6s ease infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* Your Status Bar */
.your-status {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 16px 20px;
    padding-bottom: max(16px, env(safe-area-inset-bottom));
    text-align: center;
    border-top: 1px solid var(--border-subtle);
    font-size: 1rem;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.your-status strong {
    color: var(--accent-gold);
    font-size: 1.3rem;
    font-weight: 700;
}

.spectator-badge {
    background: var(--text-muted);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: white;
}

.pending-badge {
    background: var(--accent-purple);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: white;
}

/* Pending players section */
.pending-players {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
}

.pending-players h4 {
    color: var(--accent-purple);
    margin: 0 0 12px 0;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.player-card.pending {
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.3);
}

/* Home page specific */
.home-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

/* Responsive - larger phones */
@media (min-width: 400px) {
    h1 {
        font-size: 3rem;
    }
    
    .players-list {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    
    .player-name {
        font-size: 1rem;
    }
    
    .player-marbles {
        font-size: 1.1rem;
    }
    
    .marble-btn {
        width: 52px;
        height: 52px;
        font-size: 1.2rem;
    }
    
    .marble-grid {
        max-width: 320px;
        gap: 10px;
    }
}

/* Responsive - tablets and up */
@media (min-width: 600px) {
    body {
        padding: 24px;
        padding-bottom: 100px;
    }
    
    h1 {
        font-size: 3.5rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .card {
        padding: 32px;
    }
    
    .btn-primary,
    .btn-secondary {
        width: auto;
        min-width: 200px;
    }
    
    form .btn-primary,
    form .btn-secondary,
    .phase-info .btn-primary,
    .phase-info .btn-secondary {
        width: 100%;
    }
    
    .home-actions {
        flex-direction: row;
        justify-content: center;
    }
    
    .game-area {
        padding: 48px;
        min-height: 320px;
    }
    
    .btn-even,
    .btn-odd {
        font-size: 1.6rem;
        padding: 28px 48px;
    }
}

/* Very small screens */
@media (max-width: 350px) {
    body {
        padding: 10px;
        padding-bottom: 80px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .guess-buttons {
        flex-direction: column;
    }
    
    .btn-even,
    .btn-odd {
        width: 100%;
    }
    
    .players-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }
    
    .player-card {
        padding: 8px 6px;
    }
    
    .player-name {
        font-size: 0.8rem;
    }
    
    .player-marbles {
        font-size: 0.85rem;
    }
    
    .marble-btn {
        width: 38px;
        height: 38px;
        font-size: 1rem;
    }
    
    .marble-grid {
        gap: 6px;
        max-width: 240px;
    }
    
    .game-area {
        padding: 16px 12px;
        min-height: 180px;
    }
    
    .phase-info h2 {
        font-size: 1.2rem;
    }
}

/* Dark mode scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}