/* AIDE Base Styles - Reusable UI Framework */

/* =============================================================================
   CSS Custom Properties (Design Tokens)
   ============================================================================= */
:root {
    /* Page */
    --frame-bg: #f5f5f5;
    --frame-bg-surface: #fff;
    --frame-text: #333;
    --frame-text-muted: #666;
    --frame-text-faint: #888;

    /* Primary */
    --frame-primary: #2563eb;
    --frame-primary-hover: #1d4ed8;
    --frame-primary-light: rgba(37, 99, 235, 0.1);

    /* Semantic */
    --frame-success: #16a34a;
    --frame-success-bg: #dcfce7;
    --frame-success-text: #166534;
    --frame-success-border: #22c55e;
    --frame-danger: #dc2626;
    --frame-danger-hover: #b91c1c;
    --frame-danger-bg: #fee2e2;
    --frame-danger-text: #991b1b;
    --frame-danger-border: #ef4444;
    --frame-warning: #d97706;
    --frame-warning-bg: #fef3c7;
    --frame-warning-text: #92400e;
    --frame-warning-border: #f59e0b;
    --frame-info-bg: #dbeafe;
    --frame-info-text: #1e40af;
    --frame-info-border: #3b82f6;

    /* Gray scale */
    --frame-gray-50: #f9fafb;
    --frame-gray-100: #f3f4f6;
    --frame-gray-200: #e5e7eb;
    --frame-gray-300: #d1d5db;
    --frame-gray-400: #9ca3af;
    --frame-gray-500: #6b7280;
    --frame-gray-600: #4b5563;

    /* Borders & Dividers */
    --frame-border: #e0e0e0;
    --frame-border-input: #d1d5db;
    --frame-border-light: #eee;
    --frame-shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --frame-shadow-md: 0 1px 3px rgba(0,0,0,0.08);

    /* Progress bar gradient */
    --frame-progress-from: #2563eb;
    --frame-progress-to: #3b82f6;

    /* Code */
    --frame-code-bg: #f3f4f6;

    /* Spinner */
    --frame-spinner: #2563eb;
}

/* Dark Theme */
html[data-theme="dark"] {
    --frame-bg: #111827;
    --frame-bg-surface: #1f2937;
    --frame-text: #e5e7eb;
    --frame-text-muted: #9ca3af;
    --frame-text-faint: #6b7280;

    --frame-primary: #60a5fa;
    --frame-primary-hover: #93c5fd;
    --frame-primary-light: rgba(96, 165, 250, 0.15);

    --frame-success: #4ade80;
    --frame-success-bg: rgba(74, 222, 128, 0.1);
    --frame-success-text: #86efac;
    --frame-success-border: #22c55e;
    --frame-danger: #f87171;
    --frame-danger-hover: #fca5a5;
    --frame-danger-bg: rgba(248, 113, 113, 0.1);
    --frame-danger-text: #fca5a5;
    --frame-danger-border: #ef4444;
    --frame-warning: #fbbf24;
    --frame-warning-bg: rgba(251, 191, 36, 0.1);
    --frame-warning-text: #fde68a;
    --frame-warning-border: #f59e0b;
    --frame-info-bg: rgba(96, 165, 250, 0.1);
    --frame-info-text: #93c5fd;
    --frame-info-border: #3b82f6;

    --frame-gray-50: #1f2937;
    --frame-gray-100: #283548;
    --frame-gray-200: #374151;
    --frame-gray-300: #4b5563;
    --frame-gray-400: #6b7280;
    --frame-gray-500: #9ca3af;
    --frame-gray-600: #d1d5db;

    --frame-border: #374151;
    --frame-border-input: #4b5563;
    --frame-border-light: #283548;
    --frame-shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --frame-shadow-md: 0 1px 3px rgba(0,0,0,0.4);

    --frame-progress-from: #3b82f6;
    --frame-progress-to: #60a5fa;

    --frame-code-bg: #283548;

    --frame-spinner: #60a5fa;
}

/* =============================================================================
   Base Styles
   ============================================================================= */

/* Reset & Base */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--frame-bg);
    color: var(--frame-text);
    min-height: 100vh;
    line-height: 1.6;
}

/* App Container - default horizontal padding */
.app-container {
    padding: 0 16px;
}

/* Container */
.container { max-width: 400px; margin: 0 auto; padding: 20px; }
.container.wide { max-width: 500px; }
.container.full { max-width: 900px; }

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.header-brand {
    text-decoration: none;
    color: inherit;
    font-size: 1.5em;
    font-weight: bold;
    cursor: pointer;
}
.header-brand:hover { opacity: 0.8; }
.header.sticky {
    background: var(--frame-bg-surface);
    padding: 15px 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    margin-bottom: 0;
    border-bottom: 1px solid var(--frame-border);
    box-shadow: var(--frame-shadow-md);
}

h1 {
    font-size: 1.5rem;
    color: var(--frame-primary);
    margin: 0;
}

/* Links */
a { color: var(--frame-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.header-link {
    color: var(--frame-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
}
.header-link:hover { color: var(--frame-primary); text-decoration: none; }

.back-link {
    display: block;
    text-align: center;
    margin-bottom: 20px;
    color: var(--frame-text-muted);
    text-decoration: none;
}
.back-link:hover { color: var(--frame-primary); }

.nav-links {
    text-align: center;
    margin-top: 15px;
}
.nav-links a {
    color: var(--frame-primary);
    text-decoration: none;
    font-size: 0.85rem;
    margin: 0 10px;
}
.nav-links a:hover { text-decoration: underline; }

/* Cards */
.card {
    background: var(--frame-bg-surface);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid var(--frame-border);
    box-shadow: var(--frame-shadow-sm);
}
.card h2, .card h3 {
    color: var(--frame-text-muted);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

/* Status Rows */
.status-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--frame-border-light);
}
.status-row:last-child { border-bottom: none; }
.status-label { color: var(--frame-text-muted); }
.status-value { font-weight: 600; color: var(--frame-text); }
.status-value.on { color: var(--frame-success); }
.status-value.off { color: var(--frame-danger); }

/* Buttons */
button {
    background: var(--frame-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 12px 20px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
button:hover:not(:disabled) { background: var(--frame-primary-hover); }
button:active:not(:disabled) { transform: scale(0.98); }
button:disabled {
    background: var(--frame-gray-400);
    cursor: not-allowed;
    opacity: 0.6;
}
button.secondary { background: var(--frame-gray-500); }
button.secondary:hover:not(:disabled) { background: var(--frame-gray-600); }
button.danger { background: var(--frame-danger); }
button.danger:hover:not(:disabled) { background: var(--frame-danger-hover); }
button.wide { width: 100%; }
.icon { font-size: 1.2rem; }

/* Button Grid */
.controls {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}
.controls button {
    flex-direction: column;
    padding: 15px 10px;
    font-size: 0.9rem;
}
.controls .icon { font-size: 1.5rem; }

.btn-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

/* Form Elements */
.form-group {
    margin-bottom: 15px;
}
.form-group label {
    display: block;
    color: var(--frame-text-muted);
    font-size: 0.85rem;
    margin-bottom: 5px;
    font-weight: 500;
}
.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--frame-border-input);
    border-radius: 8px;
    background: var(--frame-bg-surface);
    color: var(--frame-text);
    font-size: 0.95rem;
}
.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--frame-primary);
    box-shadow: 0 0 0 3px var(--frame-primary-light);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}
.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--frame-primary);
}
.checkbox-group label {
    color: var(--frame-text-muted);
    font-size: 0.9rem;
}
.help-text {
    font-size: 0.75rem;
    color: var(--frame-text-faint);
    margin-top: 5px;
}

/* Links Row */
.links-row {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
}
.links-row a {
    color: var(--frame-primary);
    text-decoration: none;
    font-size: 0.85rem;
}
.links-row a:hover { text-decoration: underline; }

/* Status Messages */
.message {
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 0.9rem;
}
.message.info { background: var(--frame-info-bg); border: 1px solid var(--frame-info-border); color: var(--frame-info-text); }
.message.success { background: var(--frame-success-bg); border: 1px solid var(--frame-success-border); color: var(--frame-success-text); }
.message.warning { background: var(--frame-warning-bg); border: 1px solid var(--frame-warning-border); color: var(--frame-warning-text); }
.message.error { background: var(--frame-danger-bg); border: 1px solid var(--frame-danger-border); color: var(--frame-danger-text); }

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}
.status-badge.success { background: var(--frame-success-bg); color: var(--frame-success-text); }
.status-badge.info { background: var(--frame-info-bg); color: var(--frame-info-text); }
.status-badge.warning { background: var(--frame-warning-bg); color: var(--frame-warning-text); }
.status-badge.error { background: var(--frame-danger-bg); color: var(--frame-danger-text); }
.status-badge.neutral { background: var(--frame-gray-100); color: var(--frame-gray-500); }

/* Progress Bar */
.progress-bar-container {
    background: var(--frame-gray-200);
    border-radius: 10px;
    height: 24px;
    overflow: hidden;
    margin: 15px 0;
}
.progress-bar {
    background: linear-gradient(90deg, var(--frame-progress-from), var(--frame-progress-to));
    height: 100%;
    width: 0%;
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: #fff;
}

/* Stats Grid */
.progress-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    text-align: center;
}
.stat-box {
    background: var(--frame-gray-50);
    border: 1px solid var(--frame-gray-200);
    border-radius: 8px;
    padding: 10px;
}
.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
}
.stat-value.success { color: var(--frame-success); }
.stat-value.warning { color: var(--frame-warning); }
.stat-value.error { color: var(--frame-danger); }
.stat-label {
    font-size: 0.75rem;
    color: var(--frame-gray-500);
}

/* Details / Code */
.details {
    font-size: 0.85rem;
    color: var(--frame-text-muted);
    margin-top: 10px;
}
.details code {
    background: var(--frame-code-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    color: var(--frame-text);
}

/* Loading Spinner */
.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--frame-spinner);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Utility */
.hidden { display: none !important; }
.text-center { text-align: center; }

/* Header Button (outline style with tinted background for contrast) */
.header-btn {
    color: var(--frame-primary);
    background: var(--frame-primary-light);
    text-decoration: none;
    padding: 8px 16px;
    border: 1px solid var(--frame-primary);
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.2s;
    cursor: pointer;
}
.header-btn:hover {
    background: var(--frame-primary);
    color: #fff;
    text-decoration: none;
}

/* Language Selector */
.header-lang-select {
    background: var(--frame-bg-surface);
    border: 1px solid var(--frame-border-input);
    border-radius: 6px;
    padding: 2px;
    font-size: 0.85rem;
    color: var(--frame-text);
    cursor: pointer;
}
.header-lang-select:hover {
    border-color: var(--frame-primary);
}
.header-lang-select:focus {
    outline: none;
    border-color: var(--frame-primary);
    box-shadow: 0 0 0 2px var(--frame-primary-light);
}

/* Status Footer */
.status-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-top: 1px solid var(--frame-border);
    margin-top: 20px;
    font-size: 0.85rem;
    color: var(--frame-text-muted);
}
.status-footer-info {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}
.status-footer-sep {
    color: var(--frame-gray-300);
    margin: 0 4px;
}
.status-footer-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}
.status-footer-btn {
    background: none;
    border: 1px solid var(--frame-border-input);
    border-radius: 4px;
    padding: 4px 10px;
    font-size: 0.8rem;
    color: var(--frame-text-muted);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
}
.status-footer-btn:hover {
    border-color: var(--frame-primary);
    color: var(--frame-primary);
}
.status-footer-btn.highlight {
    border-color: var(--frame-primary);
    color: var(--frame-primary);
    font-weight: 500;
}

/* =============================================================================
   Page-fill Layout Mode
   ============================================================================= */

/* Page-fill layout: viewport-height container with internal scrolling */
.app-container.page-fill {
    height: 100vh;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
}

.app-container.page-fill .main-content {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.app-container.page-fill .scroll-content {
    flex: 1;
    min-height: 0;
    overflow: auto;
}

/* Compact header (reduced vertical spacing) */
.header.compact {
    margin-bottom: 0;
}

/* Compact status footer (reduced vertical spacing) */
.status-footer.compact {
    margin-top: 4px;
    margin-bottom: 0;
    padding-bottom: 0;
}