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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
    overflow-x: hidden;
}

/* Главная страница */
.container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    position: relative;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.3) 0%, transparent 50%);
    pointer-events: none;
}

.main-content {
    text-align: center;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 60px 50px;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.1);
    max-width: 520px;
    width: 100%;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo h1 {
    font-size: 52px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    font-weight: 800;
    letter-spacing: -1px;
}

.tagline {
    font-size: 18px;
    color: #666;
    margin-bottom: 45px;
    font-weight: 400;
}

.create-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 20px 50px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
    position: relative;
    overflow: hidden;
}

.create-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.create-btn:hover::before {
    width: 300px;
    height: 300px;
}

.create-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(102, 126, 234, 0.5);
}

.create-btn:active {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.create-btn span {
    position: relative;
    z-index: 1;
}

.subtitle {
    margin-top: 24px;
    color: #888;
    font-size: 14px;
    font-weight: 400;
}

/* Страница комнаты */
.room-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    color: white;
    position: relative;
}

.room-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 100;
    position: sticky;
    top: 0;
}

.room-info {
    font-size: 16px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    gap: 8px;
}

.room-info::before {
    content: '👥';
    font-size: 18px;
}

.room-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.icon-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 10px 16px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
}

.icon-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.icon-btn:active {
    transform: translateY(0);
}

.leave-btn {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.3);
}

.leave-btn:hover {
    background: linear-gradient(135deg, #c0392b 0%, #a93226 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(231, 76, 60, 0.4);
}

.leave-btn:active {
    transform: translateY(0);
}

.video-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 16px;
    padding: 24px;
    overflow-y: auto;
    align-content: start;
}

.video-grid::-webkit-scrollbar {
    width: 8px;
}

.video-grid::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

.video-grid::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

.video-grid::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

.video-container {
    position: relative;
    background: #1a1a2e;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    min-height: 220px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s, box-shadow 0.3s;
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.video-container:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: #000;
}

.video-container.local {
    border: 3px solid #667eea;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.5);
}

.video-container.local::after {
    content: 'Вы';
    position: absolute;
    top: 12px;
    left: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.video-label {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(10px);
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    z-index: 10;
    color: rgba(255, 255, 255, 0.95);
}

.video-muted {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 56px;
    color: rgba(255, 255, 255, 0.4);
    z-index: 5;
    pointer-events: none;
}

.video-muted-icon {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(231, 76, 60, 0.9);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
}

.control-btn {
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 24px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.control-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
}

.control-btn:hover::before {
    width: 100px;
    height: 100px;
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.4);
}

.control-btn:active {
    transform: scale(1.05) translateY(0);
}

.control-btn.active {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.4) 0%, rgba(118, 75, 162, 0.4) 100%);
    border-color: rgba(102, 126, 234, 0.6);
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.4);
}

.control-btn.inactive {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.4) 0%, rgba(192, 57, 43, 0.4) 100%);
    border-color: rgba(231, 76, 60, 0.6);
    box-shadow: 0 4px 16px rgba(231, 76, 60, 0.4);
}

.control-btn span {
    position: relative;
    z-index: 1;
}

/* Улучшенные иконки */
.icon-mic::before { content: '🎤'; }
.icon-camera::before { content: '📹'; }
.icon-screen::before { content: '🖥️'; }
.icon-link::before { content: '🔗'; }

/* Уведомления */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    color: white;
    padding: 16px 24px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    z-index: 1000;
    animation: slideInRight 0.3s ease-out;
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 300px;
}

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

.notification.success {
    border-left: 4px solid #2ecc71;
}

.notification.error {
    border-left: 4px solid #e74c3c;
}

/* Адаптивность */
@media (max-width: 768px) {
    .main-content {
        padding: 40px 24px;
    }

    .logo h1 {
        font-size: 40px;
    }

    .tagline {
        font-size: 16px;
    }

    .create-btn {
        padding: 16px 40px;
        font-size: 16px;
    }

    .video-grid {
        grid-template-columns: 1fr;
        padding: 16px;
        gap: 12px;
    }

    .controls {
        gap: 12px;
        padding: 20px;
    }

    .control-btn {
        width: 56px;
        height: 56px;
        font-size: 20px;
    }

    .room-header {
        padding: 14px 16px;
        flex-wrap: wrap;
        gap: 12px;
    }

    .room-info {
        font-size: 14px;
    }

    .leave-btn {
        padding: 8px 18px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 32px 20px;
        border-radius: 20px;
    }

    .logo h1 {
        font-size: 36px;
    }

    .video-grid {
        padding: 12px;
    }

    .control-btn {
        width: 52px;
        height: 52px;
        font-size: 18px;
    }
}

/* Состояния загрузки */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
}

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

/* Улучшение для видео контейнеров */
.video-container video:not([src]) {
    background: linear-gradient(135deg, #1a1a2e 0%, #2a2a3e 100%);
}

.video-container video:not([src])::after {
    content: '📹';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    opacity: 0.3;
}