/**
 * WebLLM Styles - Loading UI and Progress Bar
 */

/* Model loading overlay */
.webllm-loading-overlay {
    position: fixed;
    bottom: 100px;
    right: 20px;
    background: linear-gradient(135deg, 
        rgba(15, 15, 20, 0.95) 0%, 
        rgba(25, 25, 35, 0.95) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 20px 24px;
    min-width: 320px;
    z-index: 9999;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.webllm-loading-overlay.hidden {
    display: none;
}

/* Header with icon */
.webllm-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.webllm-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: white;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.webllm-title {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin: 0;
}

.webllm-subtitle {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
    margin: 2px 0 0 0;
}

/* Progress bar */
.webllm-progress-container {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    height: 8px;
    overflow: hidden;
    margin-bottom: 12px;
}

.webllm-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-size: 200% 100%;
    border-radius: 8px;
    transition: width 0.3s ease;
    animation: shimmer 2s infinite linear;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Status text */
.webllm-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
}

.webllm-percent {
    font-weight: 600;
    color: #667eea;
}

/* Ready state */
.webllm-ready-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(16, 185, 129, 0.1) 100%);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 20px;
    font-size: 11px;
    color: #10b981;
    font-weight: 500;
}

.webllm-ready-badge i {
    font-size: 10px;
}

/* Summary box WebLLM indicator */
.ai-source-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--yt-text-tertiary, #aaa);
    padding: 4px 0;
}

.ai-source-indicator.local {
    color: #667eea;
}

.ai-source-indicator.server {
    color: #f59e0b;
}

/* Translation button states */
.translate-btn {
    padding: 6px 12px;
    background: var(--yt-bg-primary, #0f0f0f);
    border: 1px solid var(--yt-border, #303030);
    border-radius: 20px;
    color: var(--yt-text-primary, #fff);
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.translate-btn:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
    border-color: rgba(102, 126, 234, 0.4);
}

.translate-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: transparent;
    color: white;
}

.translate-btn.loading {
    opacity: 0.7;
    pointer-events: none;
}

.translate-btn .spinner {
    width: 12px;
    height: 12px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Model selector in settings */
.webllm-model-selector {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 12px;
}

.webllm-model-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.webllm-model-option:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(102, 126, 234, 0.3);
}

.webllm-model-option.selected {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15) 0%, rgba(118, 75, 162, 0.15) 100%);
    border-color: rgba(102, 126, 234, 0.5);
}

.webllm-model-option input[type="radio"] {
    accent-color: #667eea;
}

.webllm-model-info {
    flex: 1;
}

.webllm-model-name {
    font-size: 13px;
    font-weight: 500;
    color: #fff;
}

.webllm-model-size {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
}

/* Toast notification for WebLLM status */
.webllm-toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.95) 0%, rgba(118, 75, 162, 0.95) 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 500;
    z-index: 10000;
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.4);
    animation: toastIn 0.3s ease-out;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .webllm-loading-overlay {
        left: 10px;
        right: 10px;
        bottom: 80px;
        min-width: unset;
    }
}