html, body {
    overflow: hidden;
    height: 100%;
    margin: 0;
    padding: 0;
}

.container {
    height: 100vh;
    overflow: hidden;
}

.main-content {
    height: calc(100vh - 140px);
    overflow: hidden;
}

.queue-list, .chat-messages {
    overflow-y: auto;
    flex: 1;
    min-height: 0; /* Важно для flex */
}

/* ============================================
   CSS ПЕРЕМЕННЫЕ
   ============================================ */
:root {
    /* Цвета светлой темы */
    --bg-primary: #f0f2f5;
    --bg-card: rgba(255, 255, 255, 0.95);
    --bg-card-solid: #ffffff;
    --bg-input: #ffffff;
    --bg-hover: #f5f5f5;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
    
    /* Цвета акцентов */
    --accent-green: #4CAF50;
    --accent-green-hover: #45a049;
    --accent-orange: #ff9800;
    --accent-red: #f44336;
    --accent-blue: #2196F3;
    --accent-purple: #764ba2;
    --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Размеры */
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 8px 32px rgba(0,0,0,0.1);
    --shadow-sm: 0 1px 4px rgba(0,0,0,0.05);
    --transition: all 0.3s ease;
}

/* ===== ТЁМНАЯ ТЕМА ===== */
[data-theme="dark"] {
    --bg-primary: #1a1a2e;
    --bg-card: rgba(30, 30, 60, 0.95);
    --bg-card-solid: #1e1e3e;
    --bg-input: #2a2a4a;
    --bg-hover: #2a2a4a;
    --text-primary: #e8e8e8;
    --text-secondary: #b0b0b0;
    --text-light: #888888;
    --border-color: #3a3a5a;
    --shadow-color: rgba(0, 0, 0, 0.4);
    --shadow-hover: rgba(0, 0, 0, 0.6);
    --accent-gradient: linear-gradient(135deg, #4a4a8a 0%, #6a3a8a 100%);
}

/* ============================================
   БАЗОВЫЕ СТИЛИ
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    min-height: 100vh;
    color: var(--text-primary);
    transition: background 0.3s ease, color 0.3s ease;
}

/* ============================================
   ОСНОВНОЙ КОНТЕЙНЕР
   ============================================ */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
}

/* ============================================
   ХЕДЕР
   ============================================ */
.header {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.header-left h1 {
    font-size: 24px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.online {
    background: var(--accent-green);
    color: white;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.username {
    font-weight: 600;
    color: var(--text-primary);
}

.theme-toggle,
.lang-toggle {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
    font-size: 14px;
}

.theme-toggle:hover,
.lang-toggle:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-sm);
}

.logout-btn,
.admin-btn {
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-size: 16px;
    color: var(--text-primary);
}

.logout-btn:hover {
    background: var(--accent-red);
    color: white;
    border-color: var(--accent-red);
}

.admin-btn {
    background: var(--accent-green);
    color: white;
    border: none;
}

.admin-btn:hover {
    background: var(--accent-green-hover);
    transform: scale(1.05);
}

/* ============================================
   ОСНОВНАЯ СЕТКА
   ============================================ */
.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    height: calc(100vh - 140px);
}

@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
        height: auto;
    }
    .queue-section,
    .chat-section {
        min-height: 350px;
    }
    .header {
        flex-direction: column;
        gap: 12px;
        padding: 16px;
    }
    .header-left {
        justify-content: center;
    }
    .header-right {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ============================================
   СЕКЦИЯ ОЧЕРЕДИ
   ============================================ */
.queue-section,
.chat-section {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.queue-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 10px;
}

.queue-header h2 {
    font-size: 20px;
    color: var(--text-primary);
}

.join-btn {
    background: var(--accent-green);
    color: white;
    border: none;
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.join-btn:hover {
    background: var(--accent-green-hover);
    transform: scale(1.05);
}
.join-btn:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    transform: none;
}

.queue-list {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px;
    background: var(--bg-primary);
    min-height: 150px;
    max-height: 400px;
}

.queue-empty {
    text-align: center;
    color: var(--text-light);
    padding: 40px 20px;
    font-size: 16px;
}

/* ===== ЭЛЕМЕНТ ОЧЕРЕДИ ===== */
.queue-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 14px;
    margin-bottom: 6px;
    background: var(--bg-card-solid);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--accent-green);
    box-shadow: var(--shadow-sm);
    animation: slideIn 0.3s ease;
    color: var(--text-primary);
    transition: var(--transition);
}

.queue-item.first {
    border-left-color: var(--accent-orange);
    background: rgba(255, 152, 0, 0.1);
    font-weight: 600;
}

[data-theme="dark"] .queue-item.first {
    background: rgba(255, 152, 0, 0.2);
}

.queue-item .position {
    font-weight: 600;
    color: var(--text-secondary);
    margin-right: 12px;
}

.queue-item .username {
    flex: 1;
    color: var(--text-primary);
}

.queue-item .time {
    color: var(--text-secondary);
    font-size: 14px;
}

.queue-item .time.warning {
    color: var(--accent-orange);
}
.queue-item .time.danger {
    color: var(--accent-red);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== КНОПКИ УПРАВЛЕНИЯ ОЧЕРЕДЬЮ ===== */
.queue-controls {
    display: flex;
    gap: 8px;
    justify-content: center;
    padding: 12px;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.ctrl-btn {
    padding: 8px 18px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 18px;
    background: var(--bg-card-solid);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.ctrl-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-hover);
}
.ctrl-btn.danger {
    background: rgba(244, 67, 54, 0.1);
    border-color: var(--accent-red);
}
.ctrl-btn.danger:hover {
    background: var(--accent-red);
    color: white;
}

/* ===== ТАЙМЕР ===== */
.timer-section {
    margin-top: 12px;
    padding: 12px;
    background: rgba(255, 152, 0, 0.1);
    border-radius: var(--radius-sm);
    text-align: center;
    border: 1px solid var(--accent-orange);
}

[data-theme="dark"] .timer-section {
    background: rgba(255, 152, 0, 0.15);
}

.timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    color: var(--text-primary);
}

.timer-value {
    font-weight: 700;
    font-size: 24px;
    color: var(--accent-orange);
}

.timer-value.danger {
    color: var(--accent-red);
    animation: pulse 0.5s infinite;
}

@keyframes pulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
}

/* ============================================
   ЧАТ
   ============================================ */
.chat-section h3 {
    margin-bottom: 12px;
    color: var(--text-primary);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px;
    background: var(--bg-primary);
    margin-bottom: 12px;
    min-height: 150px;
    max-height: 350px;
}

.chat-empty {
    text-align: center;
    color: var(--text-light);
    padding: 30px 20px;
}

.message {
    padding: 6px 10px;
    margin-bottom: 4px;
    border-radius: 6px;
    animation: fadeIn 0.3s ease;
}

.message.system {
    background: rgba(33, 150, 243, 0.1);
    color: var(--accent-blue);
    font-style: italic;
    font-size: 14px;
    border-left: 3px solid var(--accent-blue);
}

.message.user {
    background: var(--bg-card-solid);
    border-left: 3px solid var(--accent-green);
    color: var(--text-primary);
}

.message .msg-username {
    font-weight: 600;
    color: var(--accent-green);
    margin-right: 8px;
}

.message .msg-time {
    font-size: 11px;
    color: var(--text-light);
    margin-left: 8px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-input {
    display: flex;
    gap: 8px;
}

.chat-input input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    outline: none;
    background: var(--bg-input);
    color: var(--text-primary);
    transition: var(--transition);
}

.chat-input input:focus {
    border-color: var(--accent-green);
}
.chat-input input::placeholder {
    color: var(--text-light);
}

.send-btn {
    padding: 10px 16px;
    background: var(--accent-green);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 18px;
    transition: var(--transition);
}

.send-btn:hover {
    background: var(--accent-green-hover);
    transform: scale(1.05);
}

/* ===== ЭМОДЗИ ===== */
.emoji-picker {
    display: flex;
    gap: 4px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.emoji-picker span {
    padding: 4px 8px;
    cursor: pointer;
    border-radius: 4px;
    transition: var(--transition);
    font-size: 20px;
}

.emoji-picker span:hover {
    background: var(--bg-hover);
    transform: scale(1.3);
}

/* ============================================
   СТРАНИЦА ЛОГИНА
   ============================================ */
.login-container {
    max-width: 420px;
    margin: 60px auto;
    padding: 40px;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.login-container .logo {
    text-align: center;
    font-size: 52px;
    margin-bottom: 8px;
}

.login-container h2 {
    text-align: center;
    margin-bottom: 6px;
    color: var(--text-primary);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-container .subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 14px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: var(--transition);
    background: var(--bg-input);
    color: var(--text-primary);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}
.form-group input::placeholder {
    color: var(--text-light);
}

.btn-primary {
    width: 100%;
    padding: 12px;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(118, 75, 162, 0.3);
}

.toggle-link {
    text-align: center;
    margin-top: 16px;
    color: var(--text-secondary);
}

.toggle-link a {
    color: var(--accent-green);
    cursor: pointer;
    text-decoration: none;
    font-weight: 600;
}
.toggle-link a:hover {
    text-decoration: underline;
}

.message {
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    display: none;
    font-size: 14px;
}
.message.error {
    display: block;
    background: rgba(244, 67, 54, 0.1);
    color: var(--accent-red);
    border: 1px solid rgba(244, 67, 54, 0.3);
}
.message.success {
    display: block;
    background: rgba(76, 175, 80, 0.1);
    color: var(--accent-green);
    border: 1px solid rgba(76, 175, 80, 0.3);
}

/* ============================================
   АДАПТИВНОСТЬ ДЛЯ ВСЕХ УСТРОЙСТВ
   ============================================ */

/* 4K и большие мониторы (2560px+) */
@media (min-width: 1920px) {
    .container {
        max-width: 1800px;
        padding: 30px;
    }
    .header-left h1 {
        font-size: 32px;
    }
    .queue-list, .chat-messages {
        max-height: 600px;
        font-size: 16px;
    }
}

/* 2K мониторы (1440-1920px) */
@media (min-width: 1440px) and (max-width: 1919px) {
    .container {
        max-width: 1400px;
        padding: 24px;
    }
    .main-content {
        height: calc(100vh - 160px);
    }
}

/* Стандартные десктопы (1024-1439px) */
@media (min-width: 1024px) and (max-width: 1439px) {
    .container {
        max-width: 1100px;
        padding: 20px;
    }
    .main-content {
        height: calc(100vh - 150px);
    }
}

/* Планшеты (768-1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .main-content {
        grid-template-columns: 1fr 1fr;
        height: auto;
        gap: 16px;
    }
    .queue-section, .chat-section {
        min-height: 350px;
        padding: 16px;
    }
    .header {
        padding: 16px 20px;
    }
    .header-left h1 {
        font-size: 20px;
    }
}

/* Телефоны (менее 768px) */
@media (max-width: 767px) {
    .container {
        padding: 10px;
    }
    .main-content {
        grid-template-columns: 1fr;
        height: auto;
        gap: 12px;
    }
    .queue-section, .chat-section {
        min-height: 300px;
        padding: 14px;
    }
    .header {
        flex-direction: column;
        gap: 10px;
        padding: 12px 16px;
    }
    .header-left {
        flex-wrap: wrap;
        justify-content: center;
    }
    .header-left h1 {
        font-size: 18px;
    }
    .header-right {
        flex-wrap: wrap;
        justify-content: center;
        gap: 6px;
    }
    .header-right .username {
        font-size: 13px;
    }
    .queue-header {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    .queue-header h2 {
        font-size: 17px;
    }
    .join-btn {
        width: 100%;
        justify-content: center;
    }
    .queue-item {
        font-size: 13px;
        padding: 8px 10px;
    }
    .queue-controls {
        flex-wrap: wrap;
    }
    .ctrl-btn {
        flex: 1;
        min-width: 60px;
        font-size: 16px;
        padding: 6px 12px;
    }
    .chat-messages {
        max-height: 200px;
        min-height: 120px;
    }
    .chat-input {
        flex-direction: row;
    }
    .chat-input input {
        font-size: 13px;
        padding: 8px 12px;
    }
    .send-btn {
        padding: 8px 12px;
        font-size: 16px;
    }
    .emoji-picker span {
        font-size: 18px;
        padding: 2px 6px;
    }
    .timer {
        font-size: 15px;
    }
    .timer-value {
        font-size: 20px;
    }
    .login-container {
        padding: 24px;
        margin: 20px 10px;
    }
    .login-container h2 {
        font-size: 20px;
    }
    .form-group input {
        padding: 10px 12px;
        font-size: 13px;
    }
}

/* Маленькие телефоны (менее 400px) */
@media (max-width: 399px) {
    .header-left h1 {
        font-size: 15px;
    }
    .online {
        font-size: 11px;
        padding: 2px 10px;
    }
    .queue-item {
        font-size: 12px;
        padding: 6px 8px;
    }
    .queue-item .position {
        margin-right: 6px;
    }
    .ctrl-btn {
        font-size: 14px;
        padding: 4px 10px;
        min-width: 50px;
    }
    .emoji-picker span {
        font-size: 15px;
        padding: 1px 4px;
    }
}

/* Планшеты в портретной ориентации */
@media (min-width: 768px) and (max-width: 1023px) and (orientation: portrait) {
    .main-content {
        grid-template-columns: 1fr;
        height: auto;
    }
    .queue-section, .chat-section {
        min-height: 280px;
    }
}

/* Планшеты в альбомной ориентации */
@media (min-width: 1024px) and (max-width: 1366px) and (orientation: landscape) {
    .main-content {
        grid-template-columns: 1fr 1fr;
        height: calc(100vh - 150px);
    }
}

/* iPad Pro 12.9" */
@media (min-width: 1024px) and (max-width: 1366px) {
    .container {
        max-width: 1200px;
        padding: 24px;
    }
}

/* ============================================
   АДМИНКА
   ============================================ */
.admin-container .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.admin-container .stat-box {
    background: var(--bg-card);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.admin-container .stat-box .number {
    font-size: 28px;
    font-weight: bold;
    color: var(--accent-green);
}

.admin-container .stat-box .label {
    color: var(--text-secondary);
    font-size: 14px;
}

.admin-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.admin-grid .admin-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.admin-grid .admin-card h3 {
    margin-top: 0;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent-green);
}

.admin-grid .user-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 6px;
}

.admin-grid .btn-approve {
    background: var(--accent-green);
    color: white;
    border: none;
    padding: 4px 12px;
    border-radius: 4px;
    cursor: pointer;
}

.admin-grid .btn-ban {
    background: var(--accent-red);
    color: white;
    border: none;
    padding: 4px 12px;
    border-radius: 4px;
    cursor: pointer;
}

.admin-grid .settings-group {
    margin: 10px 0;
}

.admin-grid .settings-group label {
    display: inline-block;
    width: 150px;
    color: var(--text-secondary);
}

.admin-grid .settings-group input {
    padding: 5px;
    width: 80px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 4px;
}

.admin-grid .back-btn {
    background: #666;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
}

@media (max-width: 768px) {
    .admin-container .stats-grid {
        grid-template-columns: 1fr 1fr !important;
        gap: 6px;
    }
    .admin-container .stat-box {
        padding: 10px;
    }
    .admin-container .stat-box .number {
        font-size: 20px;
    }
    .admin-grid {
        grid-template-columns: 1fr !important;
        gap: 12px;
    }
    .admin-grid .settings-group label {
        width: 120px;
        font-size: 13px;
    }
    .admin-grid .settings-group input {
        width: 60px;
    }
}

/* ============================================
   ТЁМНАЯ ТЕМА ДЛЯ СКРОЛЛБАРА
   ============================================ */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: #444466;
    border-radius: 4px;
}
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: #555577;
}