/* Красивый UI для видеозвонка */
.call-ui-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #0a0a0a;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.call-ui-container.active {
    opacity: 1;
    visibility: visible;
}

/* Верхняя панель с информацией о собеседнике */
.call-ui-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 20px 24px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent);
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 10;
    pointer-events: none;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.call-ui-header.hidden {
    opacity: 0;
    transform: translateY(-20px);
    pointer-events: none;
}

.call-ui-header > * {
    pointer-events: auto;
}

.call-partner-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.call-partner-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.call-partner-details {
    color: white;
}

.call-partner-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.call-partner-status {
    font-size: 14px;
    opacity: 0.8;
    display: flex;
    align-items: center;
    gap: 6px;
}

.call-partner-status .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
}

.call-partner-status .status-text {
    font-size: 13px;
}

.call-ui-actions {
    display: flex;
    gap: 12px;
}

.call-ui-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: white;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.call-ui-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

.call-ui-btn:active {
    transform: scale(0.95);
}

.call-ui-btn.active {
    background: rgba(102, 126, 234, 0.8);
}

/* Основная область видео */
.call-ui-video-area {
    flex: 1;
    position: relative;
    overflow: hidden;
}

/* Сетка для нескольких участников */
.remote-videos-grid {
    display: grid;
    width: 100%;
    height: 100%;
    gap: 8px;
    padding: 8px;
    box-sizing: border-box;
}

.remote-video-wrapper {
    position: relative;
    background: #1a1a1a;
    border-radius: 8px;
    overflow: hidden;
}

.remote-video-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Видео собеседника на весь экран */
.call-ui-remote-video-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #1a1a1a;
}

.call-ui-remote-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #1a1a1a;
}

.call-ui-remote-video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: rgba(255, 255, 255, 0.6);
}

.call-ui-remote-video-placeholder .placeholder-icon {
    font-size: 80px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.call-ui-remote-video-placeholder .placeholder-text {
    font-size: 18px;
    font-weight: 500;
}

/* Миниатюра своего видео */
.call-ui-local-video-wrapper {
    position: absolute;
    bottom: 100px;
    right: 24px;
    width: 180px;
    height: 135px;
    border-radius: 12px;
    overflow: hidden;
    background: #2a2a2a;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.1);
    cursor: move;
    transition: all 0.2s ease;
    z-index: 20;
}

.call-ui-local-video-wrapper:hover {
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.call-ui-local-video-wrapper.dragging {
    cursor: grabbing;
    opacity: 0.9;
}

.call-ui-local-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: #2a2a2a;
}

.call-ui-local-video-label {
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    backdrop-filter: blur(4px);
}

/* Нижняя панель управления */
.call-ui-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px 24px 32px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    z-index: 10;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.call-ui-controls.hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}

.call-ui-controls-row {
    display: flex;
    align-items: center;
    gap: 16px;
}

.call-ui-control-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: white;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    position: relative;
}

.call-ui-control-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

.call-ui-control-btn:active {
    transform: scale(0.95);
}

.call-ui-control-btn.active {
    background: rgba(102, 126, 234, 0.9);
}

.call-ui-control-btn.danger {
    background: rgba(239, 68, 68, 0.9);
}

.call-ui-control-btn.danger:hover {
    background: rgba(239, 68, 68, 1);
}

.call-ui-control-btn .badge {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #ef4444;
    color: white;
    font-size: 11px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Чат поверх видео */
.call-ui-chat-overlay {
    position: absolute;
    top: 80px;
    left: 24px;
    right: 24px;
    bottom: 140px;
    max-width: 420px;
    background: rgba(20, 20, 20, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 30;
}

.call-ui-chat-overlay.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.call-ui-chat-header {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.call-ui-chat-header h3 {
    color: white;
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.call-ui-chat-close {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.call-ui-chat-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.call-ui-chat-messages {
    flex: 1;
    padding: 16px 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.call-ui-chat-messages::-webkit-scrollbar {
    width: 6px;
}

.call-ui-chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.call-ui-chat-messages::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.call-ui-chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.call-ui-message {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.4;
    word-wrap: break-word;
}

.call-ui-message.incoming {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-bottom-left-radius: 4px;
}

.call-ui-message.outgoing {
    align-self: flex-end;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-bottom-right-radius: 4px;
}

.call-ui-message-time {
    font-size: 11px;
    opacity: 0.7;
    margin-top: 4px;
}

.call-ui-chat-input {
    padding: 16px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    gap: 12px;
}

.call-ui-chat-input input {
    flex: 1;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    color: white;
    font-size: 14px;
    outline: none;
    transition: all 0.2s;
}

.call-ui-chat-input input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.call-ui-chat-input input:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(102, 126, 234, 0.5);
}

.call-ui-chat-send-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.call-ui-chat-send-btn:hover {
    transform: scale(1.05);
}

.call-ui-chat-send-btn:active {
    transform: scale(0.95);
}

/* Полноэкранный режим */
.call-ui-container.fullscreen .call-ui-local-video-wrapper {
    bottom: 140px;
}

/* Адаптивность */
@media (max-width: 768px) {
    .call-ui-header {
        padding: 16px;
    }

    .call-partner-avatar {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .call-partner-name {
        font-size: 16px;
    }

    .call-partner-status {
        font-size: 12px;
    }

    .call-ui-btn {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .call-ui-local-video-wrapper {
        width: 140px;
        height: 105px;
        bottom: 140px;
        right: 16px;
    }

    .call-ui-controls {
        padding: 16px;
        padding-bottom: 24px;
    }

    .call-ui-control-btn {
        width: 50px;
        height: 50px;
        font-size: 22px;
    }

    .call-ui-chat-overlay {
        top: 70px;
        left: 16px;
        right: 16px;
        bottom: 130px;
        max-width: none;
    }

    .call-ui-chat-header {
        padding: 12px 16px;
    }

    .call-ui-chat-messages {
        padding: 12px 16px;
    }

    .call-ui-chat-input {
        padding: 12px 16px;
    }
}

@media (max-width: 480px) {
    .call-ui-local-video-wrapper {
        width: 120px;
        height: 90px;
        bottom: 130px;
        right: 12px;
    }

    .call-ui-control-btn {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }

    .call-partner-name {
        font-size: 14px;
    }

    .call-ui-chat-messages {
        font-size: 13px;
    }

    .call-ui-message {
        padding: 8px 12px;
        font-size: 13px;
    }
}

/* Анимации */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.call-ui-remote-video-placeholder .placeholder-icon {
    animation: pulse 2s ease-in-out infinite;
}

/* Состояние звонка */
.call-ui-container.connecting .call-ui-remote-video-placeholder .placeholder-text {
    animation: pulse 1.5s ease-in-out infinite;
}

.call-ui-container.connected .call-ui-remote-video-placeholder {
    display: none;
}

.call-ui-container.connected .call-ui-remote-video {
    display: block;
}