/* PUBGMCup — жидкое стекло (liquid glass / glassmorphism) */
:root {
    --bg-dark: #0a0e17;
    --bg-gradient: radial-gradient(ellipse 120% 80% at 50% -20%, rgba(88, 101, 242, 0.25), transparent 50%),
                   radial-gradient(ellipse 80% 60% at 100% 50%, rgba(236, 72, 153, 0.12), transparent 45%),
                   radial-gradient(ellipse 60% 80% at 0% 80%, rgba(34, 211, 238, 0.1), transparent 45%),
                   linear-gradient(180deg, #0f1420 0%, #0a0e17 100%);
    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-highlight: rgba(255, 255, 255, 0.06);
    --glass-blur: 20px;
    --glass-saturate: 180%;
    --glass-radius: 20px;
    --glass-radius-sm: 14px;
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.25), inset 0 1px 0 var(--glass-highlight);
    --glass-shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.35), inset 0 1px 0 var(--glass-highlight);
    --text: rgba(255, 255, 255, 0.95);
    --text-muted: rgba(255, 255, 255, 0.55);
    --accent: #f0b429;
    --accent-soft: rgba(240, 180, 41, 0.25);
    --accent-glow: 0 0 24px rgba(240, 180, 41, 0.35);
    --accent-hover: #f5c84a;
    --danger: #f87171;
    --success: #4ade80;
    --font: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font);
    background: var(--bg-dark);
    background-image: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main {
    flex: 1;
    padding: 2rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Общий класс «стекла» */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border);
    border-radius: var(--glass-radius);
    box-shadow: var(--glass-shadow);
    transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

/* Header — панель из жидкого стекла */
.site-header {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border-bottom: 1px solid var(--glass-border);
    padding: 0.9rem 1.25rem;
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}
.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--accent);
    text-decoration: none;
    text-shadow: 0 0 20px var(--accent-soft);
    letter-spacing: -0.02em;
}
.logo:hover {
    color: var(--accent-hover);
    text-shadow: var(--accent-glow);
}
.logo-img {
    display: block;
    height: 36px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
}
.logo-text { display: inline-block; }
.logo:has(.logo-img) .logo-text { margin-left: 0; }
.nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    padding: 0.5rem 0.85rem;
    border-radius: var(--glass-radius-sm);
    transition: color var(--transition), background var(--transition);
}
.nav a:hover {
    color: var(--text);
    background: var(--glass-highlight);
}
.nav a.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #e5a00d 100%);
    color: #e8e8e8;
    border: none;
    box-shadow: 0 4px 16px var(--accent-soft);
}
.nav a.btn-primary:hover {
    box-shadow: var(--accent-glow);
    transform: translateY(-1px);
    color: #f5f5f5;
}

/* Кнопки в стиле стекла */
.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    border-radius: var(--glass-radius-sm);
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--text);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15), inset 0 1px 0 var(--glass-highlight);
    transition: all var(--transition);
}
.btn:hover {
    background: var(--glass-highlight);
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
    transform: translateY(-1px);
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #e5a00d 100%);
    color: rgba(255, 255, 255, 0.95);
    border: none;
    box-shadow: 0 4px 20px var(--accent-soft);
}
.btn-primary:hover {
    box-shadow: var(--accent-glow);
    transform: translateY(-2px);
    color: #fff;
    font-weight: 700;
    text-shadow: 0 0 1px rgba(0, 0, 0, 0.2), 0 1px 2px rgba(0, 0, 0, 0.15);
}
.btn-outline {
    border-color: rgba(240, 180, 41, 0.5);
    color: var(--accent);
}
.btn-outline:hover {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent-hover);
}
.btn-lg { padding: 0.85rem 1.75rem; font-size: 1rem; }
.btn-sm { padding: 0.4rem 0.9rem; font-size: 0.85rem; }

/* Hero — центральный блок */
.hero {
    text-align: center;
    padding: 4rem 1.5rem 5rem;
}
.hero-content {
    max-width: 640px;
    margin: 0 auto;
}
.hero h1 {
    font-size: clamp(1.9rem, 4.5vw, 2.75rem);
    margin: 0 0 1rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
    background: linear-gradient(180deg, #fff 0%, rgba(255,255,255,0.85) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-sub {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin: 0 auto 2rem;
    line-height: 1.6;
}
.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Карточки фич — жидкое стекло */
.features { padding: 2rem 0 4rem; }
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}
.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border);
    border-radius: var(--glass-radius);
    padding: 1.75rem;
    box-shadow: var(--glass-shadow);
    transition: all var(--transition);
}
.feature-card:hover {
    box-shadow: var(--glass-shadow-hover);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
}
.feature-icon {
    font-size: 2.25rem;
    margin-bottom: 0.75rem;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.2));
}
.feature-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.15rem;
    font-weight: 600;
}
.feature-card p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Auth — форма в стеклянной карте */
.auth-page { display: flex; justify-content: center; padding: 3rem 1rem; align-items: flex-start; }
.auth-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border);
    border-radius: var(--glass-radius);
    padding: 2.25rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--glass-shadow);
}
.auth-card h1 {
    margin: 0 0 1.5rem;
    font-size: 1.6rem;
    font-weight: 700;
}
.auth-card label {
    display: block;
    margin-bottom: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}
.auth-card input[type="email"],
.auth-card input[type="password"],
.auth-card input[type="text"],
.auth-card input[type="number"],
.auth-card select {
    width: 100%;
    padding: 0.75rem 1rem;
    margin-top: 0.35rem;
    border: 1px solid var(--glass-border);
    border-radius: var(--glass-radius-sm);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
    font-family: var(--font);
    font-size: 1rem;
    backdrop-filter: blur(8px);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.auth-card input:focus,
.auth-card select:focus {
    outline: none;
    border-color: rgba(240, 180, 41, 0.4);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.auth-card button[type="submit"] { margin-top: 0.5rem; }
.auth-link { margin-top: 1.25rem; font-size: 0.9rem; }
.auth-link a { color: var(--accent); }
.auth-link a:hover { text-decoration: underline; }

/* Сообщения */
.error { color: var(--danger); margin-bottom: 1rem; }
.success { color: var(--success); margin-bottom: 1rem; }

/* Заголовки страниц */
.page-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.75rem;
}
.page-head h1 { margin: 0; font-size: 1.85rem; font-weight: 700; }

/* Профиль — карточки стекла */
.profile-page h1 { margin-bottom: 1.25rem; }
.profile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}
.profile-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border);
    border-radius: var(--glass-radius);
    padding: 1.75rem;
    box-shadow: var(--glass-shadow);
}
.profile-card h2 { margin: 0 0 1rem; font-size: 1.1rem; font-weight: 600; }
.profile-card p { margin: 0.5rem 0; }
.profile-card form label {
    display: block;
    margin-bottom: 0.75rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}
.profile-card form input,
.profile-card form select {
    width: 100%;
    padding: 0.6rem 0.9rem;
    margin-top: 0.25rem;
    border: 1px solid var(--glass-border);
    border-radius: var(--glass-radius-sm);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
    backdrop-filter: blur(8px);
}
.profile-card.stats p { margin: 0.5rem 0; }

/* Лобби — блок ввода кода */
.lobbies-page .join-box {
    margin-bottom: 1.75rem;
    padding: 1.25rem 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border);
    border-radius: var(--glass-radius);
    box-shadow: var(--glass-shadow);
}
.inline-form {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}
.inline-form input {
    padding: 0.6rem 1rem;
    border: 1px solid var(--glass-border);
    border-radius: var(--glass-radius-sm);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 1.05rem;
    width: 150px;
    letter-spacing: 0.05em;
    backdrop-filter: blur(8px);
}
.lobby-list { overflow-x: auto; }

/* Таблицы — на стеклянном фоне */
.table-wrap {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border);
    border-radius: var(--glass-radius);
    box-shadow: var(--glass-shadow);
    overflow: hidden;
}
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}
.table th, .table td {
    padding: 0.9rem 1.1rem;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover td { background: var(--glass-highlight); }
.table th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: rgba(255, 255, 255, 0.02);
}
.table code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    padding: 0.2rem 0.5rem;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 6px;
}

/* Просмотр лобби */
.lobby-meta { color: var(--text-muted); margin: 0.35rem 0 0; font-size: 0.95rem; }
.lobby-players {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border);
    border-radius: var(--glass-radius);
    padding: 1.75rem;
    box-shadow: var(--glass-shadow);
}
.lobby-players h2 { margin: 0 0 1rem; font-size: 1.1rem; font-weight: 600; }
.lobby-players ul { list-style: none; padding: 0; margin: 0; }
.lobby-players li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex-wrap: wrap;
}
.lobby-players li:last-child { border-bottom: none; }
.lobby-players .nick { font-weight: 600; }
.lobby-players .elo { color: var(--accent); font-size: 0.9rem; }
.lobby-players .badge {
    font-size: 0.75rem;
    background: linear-gradient(135deg, var(--accent) 0%, #e5a00d 100%);
    color: #0a0e17;
    padding: 0.25rem 0.6rem;
    border-radius: 8px;
    font-weight: 600;
}
.lobby-players .hint { margin-top: 1.25rem; color: var(--text-muted); font-size: 0.9rem; }
.join-form { margin-bottom: 1.25rem; }

/* Рейтинг */
.leaderboard-page .sub { color: var(--text-muted); margin-bottom: 1.5rem; }

/* Турниры — карточки стекла */
.tournaments-page .sub { color: var(--text-muted); margin-bottom: 1.75rem; }
.tournament-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.25rem;
}
.tournament-card {
    display: block;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border);
    border-radius: var(--glass-radius);
    padding: 1.5rem;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--glass-shadow);
    transition: all var(--transition);
}
.tournament-card:hover {
    box-shadow: var(--glass-shadow-hover);
    border-color: rgba(240, 180, 41, 0.3);
    transform: translateY(-4px);
}
.tournament-card .status { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); }
.tournament-card h3 { margin: 0.5rem 0 0.35rem; font-size: 1.15rem; font-weight: 600; }
.tournament-card .meta, .tournament-card .date, .tournament-card .teams {
    margin: 0.3rem 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}
.status-registration { color: var(--success); }
.status-live { color: var(--accent); }
.status-finished { color: var(--text-muted); }

/* Страница турнира */
.tournament-view .page-head .status { display: block; margin-bottom: 0.25rem; }
.tournament-view .description { margin-bottom: 1.5rem; color: var(--text-muted); line-height: 1.6; }
.tournament-view .prize { color: var(--accent); font-weight: 600; }
.team-list { list-style: none; padding: 0; }
.team-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--glass-border);
}
.tournament-view .hint { margin-top: 1.25rem; color: var(--text-muted); font-size: 0.9rem; }

/* Команды / участники */
.member-list { list-style: none; padding: 0; }
.member-list li {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    margin-bottom: 0.5rem;
    border-radius: var(--glass-radius-sm);
    border: 1px solid var(--glass-border);
}
.member-list .nick { font-weight: 600; }
.member-list .pubg, .member-list .elo { color: var(--text-muted); font-size: 0.9rem; }
.member-list .role { margin-left: auto; font-size: 0.85rem; color: var(--accent); font-weight: 500; }

.team-view .meta { color: var(--text-muted); margin: 0.35rem 0; }

/* 404 */
.error-page { text-align: center; padding: 5rem 1rem; }
.error-page h1 {
    font-size: 5rem;
    margin: 0;
    font-weight: 800;
    background: linear-gradient(180deg, var(--text-muted) 0%, transparent 70%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.error-page p { margin: 1rem 0; color: var(--text-muted); }
.error-page .btn { margin-top: 1.5rem; }

/* Footer — полупрозрачная полоска */
.site-footer {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-top: 1px solid var(--glass-border);
    padding: 1.25rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}
.footer-inner { max-width: 1200px; margin: 0 auto; }

/* Пустые состояния с картинкой */
.empty-state {
    text-align: center;
    padding: 2.5rem 1rem;
}
.empty-state-img {
    display: block;
    margin: 0 auto 1rem;
    width: 160px;
    height: 160px;
    object-fit: contain;
    opacity: 0.85;
}
.empty-state p { color: var(--text-muted); margin: 0; }

/* Плавное появление (опционально) */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
.main > section {
    animation: fadeIn 0.4s ease-out;
}