/* ==========================================
   GUESSING DUEL - Minimalist Dark Clean
   Best of 5 | No Player Names
   ========================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=Outfit:wght@300;400;600;700&display=swap');

:root {
    --bg-primary: #0a0a0b;
    --bg-secondary: #121214;
    --bg-card: #18181b;
    --bg-hover: #232326;
    
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #52525b;
    
    --accent: #22c55e;
    --accent-dim: #16a34a;
    --accent-glow: rgba(34, 197, 94, 0.2);
    
    --danger: #ef4444;
    --danger-glow: rgba(239, 68, 68, 0.2);
    --warning: #eab308;
    --info: #3b82f6;
    
    --border: #27272a;
    --border-light: #3f3f46;
    
    --font-display: 'Space Mono', monospace;
    --font-body: 'Outfit', sans-serif;
    
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(34, 197, 94, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(34, 197, 94, 0.02) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* Container */
.container {
    position: relative;
    z-index: 1;
    max-width: 480px;
    margin: 0 auto;
    padding: 24px 16px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Language Switcher */
.lang-switcher {
    position: absolute;
    top: 16px;
    right: 16px;
    display: flex;
    gap: 4px;
    z-index: 100;
}

.lang-btn {
    width: 36px;
    height: 28px;
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    opacity: 0.5;
    transition: all 0.2s ease;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    color: var(--text-secondary);
}

.lang-btn:hover {
    opacity: 0.8;
}

.lang-btn.active {
    opacity: 1;
    border-color: var(--accent);
    color: var(--accent);
}

/* Header */
.header {
    text-align: center;
    padding: 32px 0;
}

.logo {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.logo span {
    color: var(--accent);
}

.tagline {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 300;
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-family: var(--font-display);
    font-size: 0.625rem;
    letter-spacing: 2px;
    color: var(--accent);
    margin-top: 12px;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 16px;
}

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font-body);
    font-size: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.form-input.code-input {
    font-family: var(--font-display);
    font-size: 1.5rem;
    text-align: center;
    letter-spacing: 8px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 16px 24px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: var(--accent-dim);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

.btn-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-group {
    display: flex;
    gap: 12px;
}

.btn-group .btn {
    flex: 1;
}

/* Room Code Display */
.room-code-display {
    text-align: center;
    padding: 32px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
}

.room-code-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.room-code-value {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: 12px;
    color: var(--accent);
    text-shadow: 0 0 30px var(--accent-glow);
}

.room-code-hint {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 12px;
}

/* Players List */
.players-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.player-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.player-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.player-avatar.ready {
    background: var(--accent);
    color: var(--bg-primary);
}

.player-name {
    flex: 1;
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: 1px;
}

.player-status {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.player-status.ready {
    color: var(--accent);
}

.player-item.waiting {
    border-style: dashed;
    opacity: 0.5;
}

/* Game Header */
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.round-indicator {
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.round-indicator span {
    color: var(--accent);
}

.score-display {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-display);
    background: var(--bg-secondary);
    padding: 10px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.score-player {
    text-align: center;
}

.score-player-label {
    font-size: 0.5rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.score-player-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
}

.score-vs {
    font-size: 0.625rem;
    color: var(--text-muted);
}

/* Range Display */
.range-display {
    text-align: center;
    padding: 40px 24px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.range-display::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.range-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.range-value {
    font-family: var(--font-display);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.range-value .number {
    color: var(--accent);
    font-size: 3rem;
    font-weight: 700;
    text-shadow: 0 0 30px var(--accent-glow);
    min-width: 80px;
}

.range-value .separator {
    color: var(--text-muted);
    font-size: 2rem;
}

/* Feedback */
.feedback-container {
    margin-bottom: 24px;
}

.feedback {
    text-align: center;
    padding: 16px;
    border-radius: var(--radius);
    font-family: var(--font-display);
    font-size: 0.875rem;
    letter-spacing: 1px;
    animation: feedbackPulse 0.3s ease;
}

@keyframes feedbackPulse {
    0% { transform: scale(0.95); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.feedback.high {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.feedback.low {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--info);
    color: var(--info);
}

.feedback.out {
    background: rgba(234, 179, 8, 0.1);
    border: 1px solid var(--warning);
    color: var(--warning);
}

.feedback.correct {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid var(--accent);
    color: var(--accent);
}

/* Guess Input */
.guess-section {
    margin-bottom: 24px;
}

.guess-input-wrapper {
    display: flex;
    gap: 12px;
}

.guess-input {
    flex: 1;
    padding: 18px;
    font-family: var(--font-display);
    font-size: 1.75rem;
    text-align: center;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    transition: all 0.2s ease;
    outline: none;
}

.guess-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

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

.guess-btn {
    padding: 18px 28px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 2px;
}

/* Game Status */
.game-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    margin-bottom: 24px;
    border: 1px solid var(--border);
}

.attempts-display {
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.attempts-display .count {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
}

.opponent-status {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.opponent-status.waiting::after {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--warning);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

.opponent-status.done {
    color: var(--accent);
}

.opponent-status.done::after {
    content: '✓';
    font-size: 1rem;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* History */
.history-section {
    margin-top: auto;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.history-header {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.history-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.history-item {
    padding: 10px 14px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    font-family: var(--font-display);
    font-size: 0.9rem;
    border: 1px solid var(--border);
}

.history-item.high {
    border-color: var(--danger);
    color: var(--danger);
}

.history-item.low {
    border-color: var(--info);
    color: var(--info);
}

.history-item.out {
    border-color: var(--warning);
    color: var(--warning);
}

/* Result Hero */
.result-hero {
    text-align: center;
    padding: 40px 24px;
    margin-bottom: 24px;
}

.result-emoji {
    font-size: 4rem;
    margin-bottom: 16px;
    animation: emojiFloat 2s ease-in-out infinite;
}

@keyframes emojiFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.result-label {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 4px;
    color: var(--text-muted);
    margin-bottom: 16px;
    text-transform: uppercase;
}

.result-status {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 4px;
}

.result-status.win {
    color: var(--accent);
    text-shadow: 0 0 60px var(--accent-glow);
}

.result-status.lose {
    color: var(--danger);
    text-shadow: 0 0 60px var(--danger-glow);
}

/* Score Board */
.score-board {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    padding: 32px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    margin-bottom: 24px;
}

.score-board-player {
    text-align: center;
    flex: 1;
}

.score-board-label {
    font-family: var(--font-display);
    font-size: 0.625rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.score-board-label.you {
    color: var(--accent);
}

.score-board-value {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.score-board-value.winner {
    color: var(--accent);
    text-shadow: 0 0 30px var(--accent-glow);
}

.score-board-value.loser {
    color: var(--text-muted);
}

.score-board-vs {
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--text-muted);
    padding: 12px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
}

/* Round Summary */
.round-summary {
    margin-bottom: 24px;
}

.round-summary-header {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 12px;
    text-transform: uppercase;
}

.round-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.round-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.round-number {
    font-family: var(--font-display);
    font-size: 0.625rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    width: 50px;
}

.round-secret {
    font-family: var(--font-display);
    font-size: 1.125rem;
    color: var(--accent);
    width: 40px;
    text-align: center;
}

.round-players {
    flex: 1;
    display: flex;
    justify-content: center;
    gap: 24px;
}

.round-player-result {
    text-align: center;
}

.round-player-label {
    font-size: 0.5rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.round-player-attempts {
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.round-player-attempts.winner {
    color: var(--accent);
    font-weight: 700;
}

.round-badge {
    font-family: var(--font-display);
    font-size: 0.5rem;
    padding: 4px 8px;
    border-radius: 4px;
    letter-spacing: 1px;
    font-weight: 700;
}

.round-badge.win {
    background: var(--accent);
    color: var(--bg-primary);
}

.round-badge.lose {
    background: var(--danger);
    color: var(--text-primary);
}

/* Rematch Status */
.rematch-status {
    text-align: center;
    padding: 16px;
    margin-bottom: 16px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: none;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.rematch-status.show {
    display: flex;
}

.rematch-status.opponent-request {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    color: var(--accent);
    font-weight: 600;
    animation: notificationPulse 1s ease-in-out infinite;
}

.rematch-status.opponent-request::after {
    display: none;
}

@keyframes notificationPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.btn.pulse {
    animation: btnPulse 1.5s ease-in-out infinite;
}

@keyframes btnPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(34, 197, 94, 0); }
}

/* Round Result Modal */
.round-result-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 24px;
}

.round-result-modal {
    width: 100%;
    max-width: 400px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
}

.round-result-title {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 3px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.round-result-secret {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    color: var(--accent);
    text-shadow: 0 0 40px var(--accent-glow);
    margin-bottom: 24px;
}

.round-result-players {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.round-result-player {
    flex: 1;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.round-result-player.winner {
    border-color: var(--accent);
}

.round-result-player-label {
    font-family: var(--font-display);
    font-size: 0.625rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.round-result-player.winner .round-result-player-label {
    color: var(--accent);
}

.round-result-player-attempts {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.round-result-player.winner .round-result-player-attempts {
    color: var(--accent);
}

.round-result-player-history {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    justify-content: center;
}

.round-result-player-history span {
    font-family: var(--font-display);
    font-size: 0.625rem;
    padding: 2px 6px;
    background: var(--bg-card);
    border-radius: 4px;
    color: var(--text-muted);
}

/* Loading */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px;
    gap: 16px;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Utilities */
.hidden {
    display: none !important;
}

.mt-auto {
    margin-top: auto;
}

/* Responsive */
@media (max-width: 480px) {
    .container {
        padding: 16px 12px;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .room-code-value {
        font-size: 2.5rem;
        letter-spacing: 8px;
    }
    
    .range-value .number {
        font-size: 2.5rem;
        min-width: 60px;
    }
    
    .guess-input-wrapper {
        flex-direction: column;
    }
    
    .guess-btn {
        width: 100%;
    }
    
    .score-board {
        gap: 16px;
        padding: 24px 16px;
    }
    
    .score-board-value {
        font-size: 3rem;
    }
    
    .result-status {
        font-size: 1.5rem;
    }
}