/* ============================================
   UNDERGROUND POKER — STYLES
   ============================================ */

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

:root {
    --bg: #0a0a0d;
    --bg-elevated: #131317;
    --card: #16161c;
    --card-hover: #1c1c24;
    --text: #ffffff;
    --text-dim: #8a8a92;
    --text-muted: #5a5a62;
    --accent: #dc1f26;
    --accent-dark: #a9161c;
    --accent-glow: rgba(220, 31, 38, 0.4);
    --blue: #2a2d7c;
    --blue-light: #3a3d9c;
    --success: #22c55e;
    --warning: #f59e0b;
    --border: #232329;
    --border-light: #2c2c34;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
}

html, body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', 'Segoe UI', Arial, sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background:
        radial-gradient(ellipse at top, rgba(220, 31, 38, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, rgba(42, 45, 124, 0.08) 0%, transparent 50%),
        var(--bg);
    background-attachment: fixed;
}

.hidden { display: none !important; }

/* ============================================
   ЗАГРУЗКА
   ============================================ */
.loading {
    position: fixed;
    inset: 0;
    background: var(--bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    z-index: 9999;
    transition: opacity 0.4s ease;
}

.loading-logo {
    width: 100px;
    height: 100px;
    object-fit: contain;
    filter: drop-shadow(0 0 30px var(--accent-glow));
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.9; }
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ============================================
   ОНБОРДИНГ — ОБЩЕЕ
   ============================================ */
.onboarding {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 100;
}

.ob-screen {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    padding: 32px 24px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(40px);
    transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s;
}

.ob-screen.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.ob-screen.leaving {
    opacity: 0;
    transform: translateX(-40px);
}

.ob-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 20px;
    overflow-y: auto;
    padding-bottom: 20px;
}

.ob-center {
    align-items: center;
    text-align: center;
}

.ob-logo {
    width: 140px;
    height: 140px;
    object-fit: contain;
    margin-bottom: 16px;
    filter: drop-shadow(0 0 40px var(--accent-glow));
    animation: logoFadeIn 0.8s ease;
}

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

.ob-badge {
    font-size: 64px;
    text-align: center;
    margin-bottom: 8px;
    filter: drop-shadow(0 0 30px var(--accent-glow));
}

.ob-title {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.5px;
    text-align: center;
    background: linear-gradient(135deg, #fff 0%, #b0b0b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ob-text {
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-dim);
    text-align: center;
}

.ob-text.ob-dim {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 8px;
}

.ob-footer {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
    padding-top: 20px;
}

.ob-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-light);
    transition: all 0.3s;
}

.dot.active {
    width: 24px;
    border-radius: 4px;
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent-glow);
}

.ob-btn {
    width: 100%;
    padding: 18px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 17px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.3px;
}

.ob-btn.primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: #fff;
    box-shadow: 0 8px 24px var(--accent-glow);
}

.ob-btn.primary:active {
    transform: scale(0.97);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.ob-btn.primary:disabled {
    background: var(--card);
    color: var(--text-muted);
    box-shadow: none;
    cursor: not-allowed;
    transform: none;
}

.ob-input {
    width: 100%;
    padding: 18px 20px;
    background: var(--card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 17px;
    font-family: inherit;
    outline: none;
    transition: all 0.2s;
}

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

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

.ob-error {
    color: var(--accent);
    font-size: 14px;
    min-height: 20px;
    text-align: center;
    font-weight: 600;
}

/* ============================================
   ОНБОРДИНГ — КАРТОЧКИ ОЧКОВ
   ============================================ */
.ob-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.ob-card-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    transition: 0.2s;
}

.ob-card-row:not(:last-child) {
    border-bottom: 1px solid var(--border);
}

.ob-place {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
}

.ob-points {
    font-size: 15px;
    font-weight: 700;
    color: var(--accent);
}

/* ============================================
   ОНБОРДИНГ — УРОВНИ
   ============================================ */
.levels-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.level-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 18px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all 0.2s;
}

.level-card.bronze { border-left: 4px solid #cd7f32; }
.level-card.silver { border-left: 4px solid #c0c0c0; }
.level-card.gold   { border-left: 4px solid #ffd700; }
.level-card.diamond { border-left: 4px solid #b9f2ff; }

.level-icon {
    font-size: 32px;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.4));
}

.level-name {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
}

.level-range {
    font-size: 13px;
    color: var(--text-dim);
    margin-top: 2px;
}

/* ============================================
   ОНБОРДИНГ — СОГЛАШЕНИЕ
   ============================================ */
.agreement-box {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    max-height: 40vh;
    overflow-y: auto;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-dim);
}

.agreement-box p {
    margin-bottom: 14px;
}

.agreement-box p:last-child {
    margin-bottom: 0;
}

.agreement-box strong {
    color: var(--text);
    font-weight: 700;
    display: block;
    margin-bottom: 6px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    padding: 8px 0;
    user-select: none;
}

.checkbox-label input {
    display: none;
}

.checkbox-custom {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-light);
    border-radius: 6px;
    position: relative;
    transition: all 0.2s;
    margin-top: 1px;
}

.checkbox-label input:checked + .checkbox-custom {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 12px var(--accent-glow);
}

.checkbox-label input:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 7px;
    width: 6px;
    height: 11px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-text {
    font-size: 14px;
    line-height: 1.5;
    color: var(--text);
}

/* ============================================
   ОСНОВНОЕ ПРИЛОЖЕНИЕ
   ============================================ */
.app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding-bottom: 90px;
}

.app-header {
    padding: 16px 20px;
    background: rgba(10, 10, 13, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.app-header-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.app-logo {
    width: 44px;
    height: 44px;
    object-fit: contain;
    border-radius: 10px;
    filter: drop-shadow(0 0 12px var(--accent-glow));
}

.app-title {
    font-size: 17px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.3px;
}

.app-subtitle {
    font-size: 13px;
    color: var(--text-dim);
    margin-top: 2px;
    font-weight: 500;
}

.app-content {
    flex: 1;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.section-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 14px;
    letter-spacing: -0.3px;
}

/* ============================================
   ГЛАВНАЯ
   ============================================ */
.home-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 24px 0 32px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}

.home-logo {
    width: 100px;
    height: 100px;
    object-fit: contain;
    filter: drop-shadow(0 0 30px var(--accent-glow));
    margin-bottom: 16px;
}

.home-title {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff 0%, #b0b0b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.home-subtitle {
    font-size: 14px;
    color: var(--text-dim);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
}

.home-section {
    margin-bottom: 28px;
}

.next-tournament {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

.empty-small {
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    padding: 20px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.stat-box-small {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 16px;
    text-align: center;
}

.stat-value-small {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.5px;
}

.stat-label-small {
    font-size: 11px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 4px;
    font-weight: 700;
}
/* ============================================
   ТУРНИРЫ
   ============================================ */
.list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tournament-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: all 0.2s;
}

.tournament-card:active {
    background: var(--card-hover);
    transform: scale(0.99);
}

.tournament-name {
    font-size: 18px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.3px;
}

.tournament-info {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-dim);
    flex-wrap: wrap;
    font-weight: 600;
}

.tournament-info-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.register-btn {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    border: none;
    color: #fff;
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    width: 100%;
    margin-top: 4px;
    letter-spacing: 0.3px;
    box-shadow: 0 4px 16px var(--accent-glow);
}

.register-btn:active {
    transform: scale(0.97);
    box-shadow: 0 2px 8px var(--accent-glow);
}

.register-btn.registered {
    background: linear-gradient(135deg, var(--success) 0%, #16a34a 100%);
    color: #fff;
    box-shadow: 0 4px 16px rgba(34, 197, 94, 0.4);
}

.register-btn.full {
    background: var(--card-hover);
    color: var(--text-muted);
    cursor: not-allowed;
    box-shadow: none;
}

/* ПУСТЫЕ СОСТОЯНИЯ */
.empty {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
}

.empty.active { display: flex; }

.empty-icon {
    font-size: 64px;
    opacity: 0.3;
    margin-bottom: 16px;
}

.empty-text {
    font-size: 15px;
    color: var(--text-dim);
    font-weight: 600;
}

/* ============================================
   ПРОФИЛЬ
   ============================================ */
.profile-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}

.profile-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(180deg, rgba(220, 31, 38, 0.15) 0%, transparent 100%);
    pointer-events: none;
}

.profile-avatar {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent) 0%, var(--blue) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 800;
    color: #fff;
    box-shadow: 0 8px 32px var(--accent-glow);
    position: relative;
    z-index: 1;
    border: 3px solid var(--bg);
}

.profile-name {
    font-size: 24px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.5px;
    position: relative;
    z-index: 1;
}

.profile-level {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-dim);
    position: relative;
    z-index: 1;
}

.profile-level .level-icon {
    font-size: 16px;
}

.profile-info-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 4px;
    margin-bottom: 16px;
}

.profile-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
}

.profile-info-row:not(:last-child) {
    border-bottom: 1px solid var(--border);
}

.profile-info-label {
    font-size: 14px;
    color: var(--text-dim);
    font-weight: 600;
}

.profile-info-value {
    font-size: 14px;
    color: var(--text);
    font-weight: 700;
    max-width: 60%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.profile-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 16px;
}

.stat-box {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 16px;
    text-align: center;
}

.stat-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -1px;
}

.stat-label {
    font-size: 11px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 4px;
    font-weight: 700;
}

.profile-logout-btn {
    width: 100%;
    padding: 14px 20px;
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    color: var(--text-dim);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
}

.profile-logout-btn:active {
    background: var(--card);
    color: var(--accent);
    border-color: var(--accent);
}

/* ============================================
   НИЖНЯЯ НАВИГАЦИЯ
   ============================================ */
.app-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    background: rgba(10, 10, 13, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border);
    padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
    z-index: 100;
}

.nav-btn {
    flex: 1;
    background: transparent;
    border: none;
    padding: 10px 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s;
    border-radius: var(--radius-sm);
}

.nav-btn:active {
    background: var(--card);
}

.nav-icon {
    font-size: 22px;
    transition: transform 0.2s;
}

.nav-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.2s;
}

.nav-btn.active .nav-label {
    color: var(--accent);
}

.nav-btn.active .nav-icon {
    transform: scale(1.15);
}

/* ============================================
   TOAST
   ============================================ */
.toast {
    position: fixed;
    bottom: 110px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--card);
    border: 1px solid var(--accent);
    color: #fff;
    padding: 14px 24px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 8px 32px var(--accent-glow);
    z-index: 2000;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    max-width: 90%;
    text-align: center;
    letter-spacing: 0.2px;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ============================================
   АДАПТАЦИЯ ПОД МАЛЕНЬКИЕ ЭКРАНЫ
   ============================================ */
@media (max-height: 700px) {
    .ob-logo { width: 100px; height: 100px; margin-bottom: 8px; }
    .ob-title { font-size: 26px; }
    .ob-text { font-size: 14px; }
    .ob-badge { font-size: 48px; }
}

@media (max-width: 360px) {
    .ob-title { font-size: 26px; }
    .home-title { font-size: 22px; }
    .stat-value, .stat-value-small { font-size: 24px; }
}