/* ============================================================
   style.css - PON Arena v5.0
   Полностью адаптивный дизайн с оптимизацией под мобильные
   ============================================================ */

/* ============ СБРОС И БАЗОВЫЕ СТИЛИ ============ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

:root {
    /* Основные цвета */
    --color-bg: #0a0a2a;
    --color-bg-dark: #050510;
    --color-surface: rgba(10, 15, 35, 0.95);
    --color-surface-light: rgba(20, 30, 50, 0.6);
    --color-surface-hover: rgba(30, 40, 60, 0.8);
    
    /* Акцентные цвета */
    --color-accent: #ffaa44;
    --color-accent-glow: rgba(255, 170, 68, 0.3);
    --color-accent-dim: rgba(255, 170, 68, 0.1);
    
    --color-success: #66ff66;
    --color-success-glow: rgba(102, 255, 102, 0.3);
    
    --color-danger: #ff4757;
    --color-danger-glow: rgba(255, 71, 87, 0.3);
    
    --color-info: #88aaff;
    --color-info-glow: rgba(136, 170, 255, 0.3);
    
    --color-warning: #ffcc66;
    --color-warning-glow: rgba(255, 204, 102, 0.3);
    
    /* Градиенты */
    --gradient-primary: linear-gradient(135deg, #5f7cff, #3a4fe0);
    --gradient-success: linear-gradient(135deg, #00cc88, #009966);
    --gradient-danger: linear-gradient(135deg, #ff4757, #e03a4a);
    --gradient-warning: linear-gradient(135deg, #ff8c00, #ff4500);
    --gradient-gold: linear-gradient(135deg, #ffdd88, #ffaa44);
    --gradient-bg: radial-gradient(circle at center, #0a0a2a, #050510);
    
    /* Размеры */
    --radius-xs: 8px;
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --radius-xl: 40px;
    --radius-full: 60px;
    
    --blur-sm: 4px;
    --blur-md: 8px;
    --blur-lg: 12px;
    --blur-xl: 20px;
    
    /* Шрифты */
    --font-primary: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', monospace;
    
    /* z-index слои */
    --z-canvas: 1;
    --z-hud: 200;
    --z-leaderboard: 150;
    --z-overlay: 300;
    --z-modal: 1000;
    --z-death-screen: 1100;
    --z-toast: 1200;
    
    /* Отступы */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    --spacing-2xl: 32px;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    overflow: hidden;
    font-family: var(--font-primary);
    background: var(--color-bg);
    color: #ffffff;
    line-height: 1.4;
    min-height: 100vh;
    min-height: 100dvh;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ============ CANVAS ============ */
canvas {
    display: block;
    cursor: crosshair;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-canvas);
    image-rendering: auto;
}

/* ============ АНИМАЦИИ ============ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

@keyframes fadeOutUp {
    0% { 
        opacity: 1; 
        transform: translate(-50%, -50%) scale(1); 
    }
    100% { 
        opacity: 0; 
        transform: translate(-50%, -150%) scale(0.8); 
    }
}

@keyframes scaleIn {
    from { 
        opacity: 0; 
        transform: scale(0.8); 
    }
    to { 
        opacity: 1; 
        transform: scale(1); 
    }
}

@keyframes scaleOut {
    from { 
        opacity: 1; 
        transform: scale(1); 
    }
    to { 
        opacity: 0; 
        transform: scale(0.8); 
    }
}

@keyframes pulse {
    0%, 100% { 
        opacity: 1; 
        transform: scale(1); 
    }
    50% { 
        opacity: 0.6; 
        transform: scale(1.05); 
    }
}

@keyframes pulseGlow {
    0%, 100% { 
        box-shadow: 0 0 10px var(--color-accent-glow); 
    }
    50% { 
        box-shadow: 0 0 25px var(--color-accent), 0 0 50px var(--color-accent-glow); 
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 50%, 90% { transform: translateX(-4px); }
    30%, 70% { transform: translateX(4px); }
}

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

@keyframes slideInRight {
    from { 
        opacity: 0; 
        transform: translateX(100%); 
    }
    to { 
        opacity: 1; 
        transform: translateX(0); 
    }
}

@keyframes slideOutRight {
    from { 
        opacity: 1; 
        transform: translateX(0); 
    }
    to { 
        opacity: 0; 
        transform: translateX(100%); 
    }
}

@keyframes claimBurst {
    0% { 
        transform: translate(-50%, -50%) scale(0.3); 
        opacity: 0; 
    }
    30% { 
        transform: translate(-50%, -50%) scale(1.2); 
        opacity: 1; 
    }
    80% { 
        transform: translate(-50%, -50%) scale(1); 
        opacity: 1; 
    }
    100% { 
        transform: translate(-50%, -50%) scale(1.8); 
        opacity: 0; 
    }
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

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

/* ============ HUD (ИГРОВОЙ ИНТЕРФЕЙС) ============ */
#hud {
    position: fixed;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-full);
    color: #ffdf8c;
    font-weight: 600;
    z-index: var(--z-hud);
    border-left: 3px solid var(--color-accent);
    pointer-events: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
    animation: fadeInDown 0.3s ease;
}

#hud div {
    white-space: nowrap;
    font-size: 11px;
}

#massValue {
    font-size: 24px;
    color: var(--color-accent);
    font-weight: 700;
}

#tempPonEarned {
    font-size: 18px;
    color: var(--color-success);
    font-family: var(--font-mono);
}

#ponBalance {
    font-size: 14px;
    color: var(--color-info);
    font-family: var(--font-mono);
}

/* ============ ЛИДЕРБОРД ============ */
#leaderboard {
    position: fixed;
    right: var(--spacing-lg);
    top: 45px;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(var(--blur-lg));
    -webkit-backdrop-filter: blur(var(--blur-lg));
    border-radius: var(--radius-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    min-width: 100px;
    max-width: 200px;
    border: 1px solid var(--color-accent-glow);
    z-index: var(--z-leaderboard);
    pointer-events: none;
    animation: fadeInRight 0.3s ease;
}

#leaderboard h3 {
    font-size: 8px;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-weight: 600;
    letter-spacing: 0.5px;
}

#topList {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.top-player {
    font-size: 13px;
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.top-player-me {
    background: var(--color-accent-dim);
    border-left: 3px solid var(--color-accent);
    color: #ffcc44;
    font-weight: 600;
}

/* ============ ТАЙМЕР ПУЗЫРЯ ============ */
.bubble-timer {
    position: fixed;
    bottom: 100px;
    right: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    z-index: var(--z-hud);
    border: 2px solid var(--color-accent);
    animation: pulseGlow 2s infinite;
    transition: all 0.3s ease;
}

.bubble-timer .label {
    font-size: 11px;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2px;
}

.bubble-timer .time {
    font-size: 26px;
    font-weight: 700;
    color: #ffffff;
    font-family: var(--font-mono);
    text-shadow: 0 0 10px var(--color-accent-glow);
}

/* ============ СЧЁТЧИК ЕДЫ ============ */
.food-counter {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(var(--blur-sm));
    -webkit-backdrop-filter: blur(var(--blur-sm));
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: 13px;
    color: var(--color-success);
    font-family: var(--font-mono);
    pointer-events: none;
    z-index: var(--z-hud);
    border: 1px solid var(--color-success-glow);
}

/* ============ ИНФОРМАЦИЯ О КОМНАТЕ ============ */
.room-info-badge {
    position: fixed;
    top: var(--spacing-lg);
    right: 250px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    color: var(--color-accent);
    font-size: 13px;
    font-weight: 500;
    z-index: var(--z-hud);
    border: 1px solid var(--color-accent-glow);
    pointer-events: none;
    white-space: nowrap;
}

.food-reward-info {
    position: fixed;
    top: 17px;
    right: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    color: var(--color-success);
    font-size: 6px;
    z-index: var(--z-hud);
    border: 1px solid var(--color-success-glow);
    pointer-events: none;
    white-space: nowrap;
}

.food-reward-info .label {
    color: var(--color-info);
    margin-right: 8px;
    font-size: 6px;
    text-transform: uppercase;
}

.food-reward-info .value {
    font-family: var(--font-mono);
    font-weight: 600;
}

/* ============ ЭФФЕКТЫ ============ */
.floating-reward {
    position: fixed;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--gradient-gold);
    padding: 10px 24px;
    border-radius: var(--radius-xl);
    color: #1a1a1a;
    font-weight: 700;
    font-size: 18px;
    z-index: var(--z-overlay);
    animation: fadeOutUp 1s ease forwards;
    pointer-events: none;
    white-space: nowrap;
    box-shadow: 0 5px 30px rgba(255, 170, 68, 0.4);
}

.claim-animation {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--gradient-gold);
    padding: 20px 40px;
    border-radius: var(--radius-xl);
    text-align: center;
    z-index: var(--z-overlay);
    animation: claimBurst 1.5s ease forwards;
    pointer-events: none;
    box-shadow: 0 10px 50px rgba(255, 170, 68, 0.5);
}

.claim-text {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 4px;
}

.claim-amount {
    font-size: 16px;
    color: #333;
    font-family: var(--font-mono);
}

.bubble-touch-effect {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--gradient-gold);
    padding: 15px 30px;
    border-radius: var(--radius-xl);
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
    z-index: var(--z-overlay);
    animation: claimBurst 1s ease forwards;
    pointer-events: none;
    white-space: nowrap;
}

/* ============ ТОСТ УВЕДОМЛЕНИЯ ============ */
.toast-notification {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-xl);
    color: white;
    font-weight: 600;
    font-size: 14px;
    z-index: var(--z-toast);
    animation: fadeInUp 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    max-width: 90vw;
}

.toast-success { 
    background: var(--gradient-success); 
}

.toast-error { 
    background: var(--gradient-danger); 
}

.toast-warning { 
    background: var(--gradient-warning); 
}

.toast-info { 
    background: var(--gradient-primary); 
}

/* ============ ПОДСКАЗКА УПРАВЛЕНИЯ ============ */
.controls-hint {
    position: fixed;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: 11px;
    color: var(--color-info);
    font-family: var(--font-mono);
    pointer-events: none;
    z-index: var(--z-hud);
}

/* ============ МЕНЮ АВТОРИЗАЦИИ ============ */
#authMenu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-modal);
    background: var(--gradient-bg);
}

.auth-card {
    background: var(--color-surface);
    backdrop-filter: blur(var(--blur-xl));
    -webkit-backdrop-filter: blur(var(--blur-xl));
    padding: 40px 45px;
    border-radius: 48px;
    text-align: center;
    border: 2px solid rgba(100, 120, 220, 0.5);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 0.5s ease;
    max-width: 450px;
    width: 90%;
}

.auth-card h1 {
    font-size: clamp(32px, 5vw, 48px);
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    margin-bottom: 8px;
}

.auth-card h2 {
    color: var(--color-info);
    font-size: clamp(14px, 2.5vw, 18px);
    margin-bottom: 24px;
    font-weight: 400;
}

.auth-card input {
    width: 100%;
    max-width: 280px;
    padding: 14px 20px;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(100, 120, 220, 0.4);
    border-radius: var(--radius-full);
    color: white;
    font-size: 18px;
    text-align: center;
    outline: none;
    margin: 10px 0;
    transition: border-color 0.3s ease;
}

.auth-card input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 20px var(--color-accent-glow);
}

.auth-card input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

#authPlayBtn {
    background: var(--gradient-primary);
    border: none;
    color: white;
    font-size: 20px;
    font-weight: 700;
    padding: 14px 40px;
    margin-top: 24px;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    max-width: 280px;
}

#authPlayBtn:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 30px rgba(95, 124, 255, 0.3);
}

#authPlayBtn:active {
    transform: scale(0.97);
}

.wallet-info {
    margin-top: 16px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-md);
    font-size: 12px;
    color: var(--color-info);
    font-family: var(--font-mono);
    word-break: break-all;
}

.tips {
    margin-top: 24px;
    font-size: 12px;
    color: var(--color-info);
    line-height: 1.8;
    opacity: 0.8;
}

/* ============ МЕНЮ КОМНАТ ============ */
#roomsMenu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-modal);
    background: var(--gradient-bg);
}

.rooms-container {
    background: var(--color-surface);
    backdrop-filter: blur(var(--blur-xl));
    -webkit-backdrop-filter: blur(var(--blur-xl));
    border-radius: 24px;
    padding: 24px;
    z-index: var(--z-modal);
    border: 1px solid var(--color-accent-glow);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    width: 600px;
    max-width: 95vw;
    max-height: 85vh;
    animation: scaleIn 0.3s ease;
}

.rooms-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 170, 68, 0.2);
    flex-shrink: 0;
}

.rooms-header h2 {
    color: var(--color-accent);
    font-size: clamp(18px, 3vw, 24px);
    margin: 0;
}

.create-room-btn {
    background: var(--gradient-success);
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    white-space: nowrap;
}

.create-room-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 5px 20px rgba(0, 204, 136, 0.4);
}

.rooms-list {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 20px;
    padding-right: 5px;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

.rooms-list::-webkit-scrollbar {
    width: 6px;
}

.rooms-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.rooms-list::-webkit-scrollbar-thumb {
    background: var(--color-accent-glow);
    border-radius: 10px;
}

.room-card {
    background: var(--color-surface-light);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.room-card:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-accent-glow);
    transform: translateX(4px);
}

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

.room-name {
    font-weight: 700;
    font-size: 16px;
    color: var(--color-accent);
}

.room-badge {
    background: var(--color-info-glow);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    color: var(--color-info);
    border: 1px solid rgba(136, 170, 255, 0.3);
    white-space: nowrap;
}

.room-body {
    display: flex;
    gap: 20px;
    font-size: 13px;
}

.room-fee, .room-reward {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.fee-label, .reward-label {
    font-size: 10px;
    color: var(--color-info);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.fee-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-success);
    font-family: var(--font-mono);
}

.reward-value {
    font-size: 14px;
    color: var(--color-warning);
    font-family: var(--font-mono);
}

.room-footer {
    display: flex;
    justify-content: flex-end;
}

.join-room-btn {
    background: var(--gradient-warning);
    border: none;
    padding: 8px 24px;
    border-radius: var(--radius-md);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
}

.join-room-btn:hover {
    transform: scale(1.03);
    box-shadow: 0 5px 15px rgba(255, 140, 0, 0.4);
}

.join-room-btn:active {
    transform: scale(0.97);
}

.join-default-btn {
    width: 100%;
    background: var(--gradient-primary);
    border: none;
    padding: 12px;
    border-radius: var(--radius-md);
    color: white;
    font-weight: 600;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.2s ease;
}

.join-default-btn:hover {
    transform: scale(1.01);
    box-shadow: 0 5px 15px rgba(95, 124, 255, 0.4);
}

.rooms-footer {
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.no-rooms {
    text-align: center;
    padding: 40px;
    color: var(--color-info);
    font-size: 15px;
}

.loading {
    text-align: center;
    padding: 40px;
    color: var(--color-accent);
    font-size: 15px;
}

.loading::after {
    content: '...';
    animation: dots 1.5s infinite;
}

/* ============ МОДАЛЬНОЕ ОКНО ============ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    z-index: var(--z-death-screen);
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
    animation: fadeIn 0.2s ease;
}

.modal-content {
    background: var(--color-surface);
    border-radius: 24px;
    width: 450px;
    max-width: 95vw;
    border: 1px solid var(--color-accent-glow);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: scaleIn 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header h3 {
    color: var(--color-accent);
    margin: 0;
    font-size: 20px;
}

.close-btn {
    background: none;
    border: none;
    color: var(--color-info);
    font-size: 28px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color 0.2s;
}

.close-btn:hover {
    color: var(--color-danger);
}

.modal-body {
    padding: 24px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #ccddff;
    font-weight: 500;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-accent-glow);
    border-radius: var(--radius-sm);
    color: white;
    font-size: 16px;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 15px var(--color-accent-glow);
}

.form-group small {
    display: block;
    margin-top: 6px;
    font-size: 11px;
    color: var(--color-info);
}

.calculation-box {
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-top: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.calc-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.calc-row:last-child {
    margin-bottom: 0;
}

.calc-label {
    color: var(--color-info);
    font-size: 13px;
}

.calc-value {
    color: var(--color-warning);
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 600;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 24px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-cancel {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    color: #ccddff;
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
    transition: background 0.2s;
}

.btn-cancel:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn-create {
    background: var(--gradient-success);
    border: none;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    color: white;
    font-weight: 600;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.btn-create:hover {
    transform: scale(1.02);
    box-shadow: 0 5px 15px rgba(0, 204, 136, 0.4);
}

/* ============ ЭКРАН СМЕРТИ ============ */
.death-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(var(--blur-lg));
    -webkit-backdrop-filter: blur(var(--blur-lg));
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-death-screen);
    animation: fadeIn 0.3s ease;
}

.death-content {
    background: linear-gradient(135deg, #1a0a0a, #2a1010);
    border: 2px solid var(--color-danger);
    border-radius: var(--radius-xl);
    padding: clamp(24px, 5vw, 40px) clamp(32px, 8vw, 60px);
    text-align: center;
    animation: shake 0.5s ease;
    max-width: 420px;
    width: 90%;
}

.death-icon {
    font-size: clamp(50px, 10vw, 80px);
    animation: float 1.5s infinite;
}

.death-text {
    font-size: clamp(22px, 4vw, 32px);
    font-weight: 700;
    color: var(--color-danger);
    margin: 16px 0;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.death-reward {
    font-size: clamp(13px, 2vw, 16px);
    color: var(--color-success);
    margin: 16px 0;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-success-glow);
}

.death-reward div {
    margin: 4px 0;
}

.death-choices {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
}

.death-btn {
    padding: clamp(12px, 2vw, 16px) clamp(24px, 5vw, 36px);
    border-radius: var(--radius-xl);
    font-size: clamp(15px, 2.5vw, 18px);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    width: 100%;
}

.respawn-btn {
    background: var(--gradient-primary);
    color: white;
}

.respawn-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 5px 20px rgba(95, 124, 255, 0.4);
}

.respawn-btn:active {
    transform: scale(0.98);
}

.leave-btn {
    background: rgba(255, 255, 255, 0.08);
    color: #ccddff;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.leave-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--color-danger);
    color: var(--color-danger);
}

/* ============ МОБИЛЬНЫЙ ДЖОЙСТИК ============ */
.mobile-joystick {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 120px;
    height: 120px;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    border-radius: 50%;
    border: 2px solid rgba(255, 170, 68, 0.5);
    z-index: var(--z-hud);
    touch-action: none;
}

.joystick-thumb {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 50px;
    height: 50px;
    background: radial-gradient(circle at 30% 30%, #ffaa44, #ff6600);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 20px rgba(255, 170, 68, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.5);
    transition: transform 0.05s ease-out;
}

.mobile-actions {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    gap: 15px;
    z-index: var(--z-hud);
}

.action-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    font-size: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
    touch-action: none;
}

.action-btn:active {
    transform: scale(0.85);
    background: var(--color-accent-dim);
}

/* ============ МЕДИА-ЗАПРОСЫ ДЛЯ МОБИЛЬНЫХ ============ */

/* Планшеты и маленькие экраны */
@media (max-width: 1024px) {
    #leaderboard {
        right: 8px;
        top: 20px;
        min-width: 50px;
        max-width: 150px;
        padding: 10px 12px;
        border-radius: var(--radius-md);
    }
    
    #leaderboard h3 {
        font-size: 8px;
        margin-bottom: 8px;
    }
    
    .top-player {
        font-size: 11px;
        padding: 4px 8px;
    }
    
    .room-info-badge {
        right: 180px;
        font-size: 11px;
    }
    
    .food-reward-info {
        top: 10px;
        right: 8px;
        font-size: 6px;
    }
}

/* Смартфоны */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    /* HUD */
    #hud {
        top: 10px;
        left: 10px;
        padding: 8px 14px;
        border-radius: var(--radius-md);
        gap: 2px;
    }
    
    #hud div {
        font-size: 8px;
    }
    
    #massValue {
        font-size: 20px;
    }
    
    #tempPonEarned {
        font-size: 15px;
    }
    
    #ponBalance {
        font-size: 12px;
    }
    
    /* Лидерборд */
    #leaderboard {
        right: 5px;
        top: 40px;
        min-width: 130px;
        max-width: 160px;
        padding: 8px 10px;
        border-radius: var(--radius-sm);
    }
    
    #leaderboard h3 {
        font-size: 8px;
        margin-bottom: 6px;
    }
    
    .top-player {
        font-size: 10px;
        padding: 3px 6px;
        gap: 4px;
    }
    
    /* Таймер пузыря */
    .bubble-timer {
        bottom: 100px;
        right: 5px;
        padding: 8px 12px;
        border-radius: var(--radius-md);
    }
    
    .bubble-timer .label {
        font-size: 9px;
    }
    
    .bubble-timer .time {
        font-size: 20px;
    }
    
    /* Счётчик еды */
    .food-counter {
        bottom: 10px;
        right: 5px;
        font-size: 11px;
        padding: 5px 10px;
        border-radius: var(--radius-md);
    }
    
    /* Баджи */
    .room-info-badge {
        top: 90px;
        right: 5px;
        font-size: 10px;
        padding: 4px 8px;
        border-radius: var(--radius-sm);
    }
    
    .food-reward-info {
        top: 20px;
        right: 5px;
        font-size: 6px;
        padding: 4px 8px;
        border-radius: var(--radius-sm);
    }
    
    /* Подсказка скрыта */
    .controls-hint {
        display: none;
    }
    
    /* Меню авторизации */
    .auth-card {
        padding: 24px 20px;
        border-radius: 32px;
    }
    
    .auth-card h1 {
        font-size: 28px;
    }
    
    .auth-card h2 {
        font-size: 13px;
    }
    
    .auth-card input {
        max-width: 240px;
        padding: 12px 16px;
        font-size: 15px;
    }
    
    #authPlayBtn {
        font-size: 16px;
        padding: 12px 30px;
        max-width: 240px;
    }
    
    /* Меню комнат */
    .rooms-container {
        width: 95vw;
        padding: 16px;
        max-height: 90vh;
        border-radius: 16px;
    }
    
    .rooms-header {
        margin-bottom: 12px;
        padding-bottom: 10px;
    }
    
    .rooms-header h2 {
        font-size: 18px;
    }
    
    .create-room-btn {
        padding: 8px 14px;
        font-size: 12px;
    }
    
    .room-card {
        padding: 12px;
        margin-bottom: 8px;
        border-radius: var(--radius-sm);
    }
    
    .room-name {
        font-size: 14px;
    }
    
    .room-badge {
        font-size: 10px;
        padding: 3px 8px;
    }
    
    .room-body {
        flex-direction: column;
        gap: 6px;
    }
    
    .fee-value {
        font-size: 14px;
    }
    
    .join-room-btn {
        padding: 6px 16px;
        font-size: 12px;
        border-radius: var(--radius-sm);
    }
    
    .join-default-btn {
        padding: 10px;
        font-size: 14px;
    }
    
    /* Модальное окно */
    .modal-content {
        width: 95vw;
        border-radius: 16px;
    }
    
    .modal-header {
        padding: 16px 20px;
    }
    
    .modal-header h3 {
        font-size: 17px;
    }
    
    .modal-body {
        padding: 16px 20px;
    }
    
    .form-group label {
        font-size: 13px;
    }
    
    .form-group input {
        padding: 10px 14px;
        font-size: 15px;
    }
    
    .modal-footer {
        padding: 12px 20px 16px;
    }
    
    .btn-cancel, .btn-create {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    /* Экран смерти */
    .death-content {
        padding: 20px 24px;
        border-radius: var(--radius-lg);
    }
    
    .death-icon {
        font-size: 50px;
    }
    
    .death-text {
        font-size: 22px;
        margin: 12px 0;
    }
    
    .death-reward {
        font-size: 13px;
        padding: 10px 14px;
    }
    
    .death-choices {
        gap: 10px;
        margin-top: 16px;
    }
    
    .death-btn {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    /* Джойстик */
    .mobile-joystick {
        width: 90px;
        height: 90px;
        bottom: 20px;
        left: 20px;
    }
    
    .joystick-thumb {
        width: 36px;
        height: 36px;
    }
    
    .mobile-actions {
        bottom: 20px;
        right: 20px;
        gap: 10px;
    }
    
    .action-btn {
        width: 50px;
        height: 50px;
        font-size: 22px;
    }
}

/* Очень маленькие экраны */
@media (max-width: 360px) {
    #hud {
        top: 5px;
        left: 5px;
        padding: 5px 10px;
    }
    
    #hud div {
        font-size: 8;
    }
    
    #massValue {
        font-size: 17px;
    }
    
    #leaderboard {
        right: 2px;
        top: 30px;
        min-width: 110px;
        padding: 6px 8px;
    }
    
    .top-player {
        font-size: 9px;
    }
    
    .bubble-timer {
        bottom: 80px;
        right: 2px;
        padding: 5px 8px;
    }
    
    .bubble-timer .time {
        font-size: 16px;
    }
    
    .rooms-container {
        padding: 10px;
    }
    
    .auth-card {
        padding: 16px 14px;
    }
}

/* Десктоп (скрываем джойстик) */
@media (min-width: 769px) {
    .mobile-joystick,
    .mobile-actions {
        display: none;
    }
}

/* Устройства с вырезом (notch) */
@supports (padding-top: env(safe-area-inset-top)) {
    body {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }
}

/* Печать */
@media print {
    body {
        background: white;
        color: black;
    }
    
    canvas, #hud, #leaderboard, .bubble-timer, .food-counter {
        display: none;
    }
}

/* ============ УТИЛИТЫ ============ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.no-scrollbar::-webkit-scrollbar {
    display: none;
}