/**
 * SoCrates - Shared Styles
 * 
 * This file contains all common styles used across the application.
 * Import this file in all HTML pages for consistent styling.
 */

/* ============================================
   CSS VARIABLES - Design Tokens
   ============================================ */
:root {
    /* Background Colors */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-card: #21262d;
    
    /* Border Colors */
    --border-primary: #30363d;
    --border-secondary: rgba(48, 54, 61, 0.6);
    --border-accent: rgba(88, 166, 255, 0.4);
    
    /* Text Colors */
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --text-placeholder: #484f58;
    
    /* Accent Colors */
    --accent-blue: #58a6ff;
    --accent-blue-hover: #79c0ff;
    --accent-blue-bg: rgba(88, 166, 255, 0.1);
    
    /* Status Colors */
    --color-success: #7ee787;
    --color-success-dark: #238636;
    --color-success-bg: rgba(126, 231, 135, 0.1);
    --color-warning: #d29922;
    --color-warning-bg: rgba(210, 153, 34, 0.1);
    --color-danger: #f85149;
    --color-danger-bg: rgba(248, 81, 73, 0.1);
    --color-info: #58a6ff;
    --color-info-bg: rgba(88, 166, 255, 0.1);
    
    /* Additional Colors */
    --color-purple: #a371f7;
    --color-orange: #f0883e;
    --color-yellow: #ffd43b;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0d1117 0%, #161b22 50%, #0d1117 100%);
    --gradient-success: linear-gradient(135deg, #238636, #1a7f37);
    --gradient-accent: linear-gradient(135deg, #1f6feb, #388bfd);
    --gradient-card: linear-gradient(145deg, rgba(33, 38, 45, 0.9), rgba(22, 27, 34, 0.95));
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.4);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-2xl: 16px;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 20px;
    --space-2xl: 24px;
    --space-3xl: 32px;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
    --font-size-xs: 11px;
    --font-size-sm: 12px;
    --font-size-md: 13px;
    --font-size-base: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 22px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;
    
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-nav: 10000;

    /* Semantic overlay / surface helpers */
    --bg-overlay: rgba(0, 0, 0, 0.2);       /* dark header/panel tint */
    --bg-input: rgba(13, 17, 23, 0.6);      /* input field background */
    --bg-terminal: #010409;                  /* code / output console bg */
    --color-terminal-text: #7ee787;          /* text inside terminal panels */
}

/* Legacy variable aliases for backward compatibility */
:root {
    --bg: var(--bg-primary);
    --bg2: var(--bg-secondary);
    --bg3: var(--bg-tertiary);
    --border: var(--border-primary);
    --text: var(--text-primary);
    --muted: var(--text-secondary);
    --accent: var(--accent-blue);
    --success: var(--color-success-dark);
    --danger: var(--color-danger);
}

/* ============================================
   LIGHT THEME OVERRIDES
   Applied when <html data-theme="light"> is set
   by the user via the profile dropdown toggle.
   Dark (default) requires no attribute.
   ============================================ */
[data-theme="light"] {
    /* Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: #f6f8fa;
    --bg-tertiary: #eaeef2;
    --bg-card: #ffffff;

    /* Borders */
    --border-primary: #d0d7de;
    --border-secondary: rgba(208, 215, 222, 0.6);
    --border-accent: rgba(9, 105, 218, 0.4);

    /* Text */
    --text-primary: #1f2328;
    --text-secondary: #57606a;
    --text-muted: #6e7781;
    --text-placeholder: #9ba1a8;

    /* Accent */
    --accent-blue: #0969da;
    --accent-blue-hover: #0550ae;
    --accent-blue-bg: rgba(9, 105, 218, 0.1);

    /* Status */
    --color-success: #1a7f37;
    --color-success-dark: #1a7f37;
    --color-success-bg: rgba(26, 127, 55, 0.1);
    --color-warning: #9a6700;
    --color-warning-bg: rgba(154, 103, 0, 0.1);
    --color-danger: #d1242f;
    --color-danger-bg: rgba(209, 36, 47, 0.1);
    --color-info: #0969da;
    --color-info-bg: rgba(9, 105, 218, 0.1);

    /* Additional */
    --color-purple: #8250df;
    --color-orange: #bc4c00;
    --color-yellow: #9a6700;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #ffffff 0%, #f6f8fa 50%, #ffffff 100%);
    --gradient-success: linear-gradient(135deg, #1a7f37, #2da44e);
    --gradient-accent: linear-gradient(135deg, #0969da, #218bff);
    --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(246, 248, 250, 0.95));

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.10);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.18);

    /* Semantic helpers */
    --bg-overlay: rgba(0, 0, 0, 0.04);
    --bg-input: #f6f8fa;
    --bg-terminal: #f0f3f6;
    --color-terminal-text: #1f2328;

    /* Improved gradients for light */
    --gradient-card: linear-gradient(145deg, #ffffff, #f9fafb);
}

/* ──────────────────────────────────────────────
   LIGHT-ONLY component overrides
   These fix elements that use hardcoded dark-mode
   rgba() backgrounds which can't be tokenised in
   :root vars alone.
   ────────────────────────────────────────────── */
[data-theme="light"] .nav-main {
    background: rgba(255, 255, 255, 0.92);
    border-bottom-color: #d0d7de;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .nav-link {
    background: #f0f3f6;
    border-color: #d0d7de;
    color: #424a53;
}
[data-theme="light"] .nav-link:hover {
    background: #e2e6ea;
    border-color: #0969da;
    color: #0969da;
}
[data-theme="light"] .nav-link.active {
    background: #0969da;
    color: #fff;
    border-color: #0969da;
    box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.12);
}

[data-theme="light"] .user-dropdown {
    background: #ffffff;
    border: 1px solid #d0d7de;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .user-dropdown-header {
    border-bottom-color: #d8dee4;
}
[data-theme="light"] .user-dropdown-item:hover {
    background: #f3f4f6;
}
[data-theme="light"] .user-dropdown-item.danger:hover {
    background: rgba(209, 36, 47, 0.08);
}
[data-theme="light"] .user-dropdown-item.sign-out:hover {
    background: #f3f4f6;
}
[data-theme="light"] .user-dropdown-separator {
    border-top-color: #d8dee4;
}

[data-theme="light"] .card {
    background: #ffffff;
    border-color: #d0d7de;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .card:hover {
    border-color: #0969da;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}
[data-theme="light"] .card-header {
    background: #f6f8fa;
    border-bottom: 1px solid #e2e6ea;
}
[data-theme="light"] .card-footer {
    background: #f6f8fa;
    border-top: 1px solid #e2e6ea;
}

[data-theme="light"] .section-card {
    background: #ffffff;
    border-color: #d0d7de;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .input,
[data-theme="light"] textarea.input,
[data-theme="light"] select.input {
    background: #f6f8fa;
    border-color: #d0d7de;
}
[data-theme="light"] .input:focus,
[data-theme="light"] textarea.input:focus,
[data-theme="light"] select.input:focus {
    background: #ffffff;
    border-color: #0969da;
    box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.12);
}

[data-theme="light"] .btn {
    background: linear-gradient(180deg, #f0f4f8 0%, #e4eaf0 100%);
    border-color: #8c9aab;
    color: #1f2328;
    box-shadow: 0 1px 3px rgba(31, 35, 40, 0.14), inset 0 1px 0 rgba(255,255,255,0.7);
}
[data-theme="light"] .btn:hover:not(:disabled) {
    background: linear-gradient(180deg, #e4ecf5 0%, #d5e2ef 100%);
    border-color: #0969da;
    color: #0550ae;
    box-shadow: 0 3px 10px rgba(9, 105, 218, 0.18), inset 0 1px 0 rgba(255,255,255,0.6);
    transform: translateY(-1px);
}
[data-theme="light"] .btn:active:not(:disabled) {
    background: linear-gradient(180deg, #d5e2ef 0%, #cad8e8 100%);
    border-color: #0969da;
    box-shadow: inset 0 2px 4px rgba(9, 105, 218, 0.12);
    transform: translateY(0);
}
[data-theme="light"] .btn-secondary {
    background: linear-gradient(180deg, #f0f4f8 0%, #e4eaf0 100%);
    border-color: #8c9aab;
    color: #1f2328;
    box-shadow: 0 1px 3px rgba(31, 35, 40, 0.14), inset 0 1px 0 rgba(255,255,255,0.7);
}
[data-theme="light"] .btn-secondary:hover:not(:disabled) {
    background: linear-gradient(180deg, #e4ecf5 0%, #d5e2ef 100%);
    border-color: #0969da;
    color: #0550ae;
    box-shadow: 0 3px 10px rgba(9, 105, 218, 0.18), inset 0 1px 0 rgba(255,255,255,0.6);
}
/* Danger variant shadow treatment */
[data-theme="light"] .btn-danger {
    box-shadow: 0 1px 3px rgba(31, 35, 40, 0.14);
}
[data-theme="light"] .btn-danger:hover:not(:disabled) {
    box-shadow: 0 3px 10px rgba(209, 36, 47, 0.20);
}

[data-theme="light"] .stats-grid .stat-item,
[data-theme="light"] .stat-card {
    background: #ffffff;
    border: 1px solid #e2e6ea;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

/* Info / status banners */
[data-theme="light"] .info-banner,
[data-theme="light"] .status-banner {
    background: #f6f8fa;
    border-color: #d0d7de;
    color: var(--text-secondary);
}

/* FAQ items */
[data-theme="light"] .faq-item {
    background: #f6f8fa;
    border-color: #e2e6ea;
}
[data-theme="light"] .faq-question:hover {
    background: #eaeef2;
}

/* API metrics footer */
[data-theme="light"] .api-metrics-footer {
    background: rgba(255, 255, 255, 0.92);
    border-color: #d0d7de;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

/* Scrollbar */
[data-theme="light"] ::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.04);
}
[data-theme="light"] ::-webkit-scrollbar-thumb {
    background: rgba(9, 105, 218, 0.25);
}
[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
    background: rgba(9, 105, 218, 0.4);
}

/* Spinner */
[data-theme="light"] .spinner {
    border-color: rgba(0, 0, 0, 0.15);
    border-top-color: #0969da;
}

/* Nav toggle (hamburger) */
[data-theme="light"] .nav-toggle {
    background: #f0f3f6;
    border-color: #d0d7de;
}
[data-theme="light"] .nav-toggle:hover {
    background: #e2e6ea;
    border-color: #0969da;
}

/* User avatar border */
[data-theme="light"] .user-avatar {
    border-color: rgba(0, 0, 0, 0.1);
}

/* Badge overrides for better contrast */
[data-theme="light"] .badge-sync {
    background: rgba(9, 105, 218, 0.12);
}
[data-theme="light"] .badge-modified {
    background: rgba(154, 103, 0, 0.12);
}

/* Dropdown item hover */
[data-theme="light"] .user-dropdown-item:hover {
    background: #f0f3f6;
}
[data-theme="light"] .user-dropdown-item.sign-out:hover {
    background: #f0f3f6;
}

/* Tabs / toggle buttons common pattern */
[data-theme="light"] .btn-group .btn,
[data-theme="light"] .toggle-btn,
[data-theme="light"] .tab-btn {
    background: linear-gradient(180deg, #f0f4f8 0%, #e4eaf0 100%);
    border-color: #8c9aab;
    color: #424a53;
    box-shadow: 0 1px 3px rgba(31, 35, 40, 0.12), inset 0 1px 0 rgba(255,255,255,0.7);
}
[data-theme="light"] .btn-group .btn:hover,
[data-theme="light"] .toggle-btn:hover,
[data-theme="light"] .tab-btn:hover {
    background: linear-gradient(180deg, #e4ecf5 0%, #d5e2ef 100%);
    border-color: #0969da;
    color: #0550ae;
    box-shadow: 0 3px 10px rgba(9, 105, 218, 0.16), inset 0 1px 0 rgba(255,255,255,0.6);
}
[data-theme="light"] .btn-group .btn.active,
[data-theme="light"] .toggle-btn.active,
[data-theme="light"] .tab-btn.active {
    background: #0969da;
    color: #fff;
    border-color: #0969da;
    box-shadow: 0 2px 8px rgba(9, 105, 218, 0.35), inset 0 1px 0 rgba(255,255,255,0.15);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    background: var(--gradient-primary);
    min-height: 100dvh;
    color: var(--text-primary);
    line-height: 1.6;
}

body.has-fixed-nav {
    padding-top: 64px;
}

@media (max-width: 900px) {
    body.has-fixed-nav {
        padding-top: 64px;
    }
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav-main {
    background: rgba(22, 27, 34, 0.95);
    border-bottom: 1px solid var(--border-secondary);
    padding: 10px 20px;
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.nav-links {
    display: flex;
    gap: 10px;
    align-items: center;
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 18px;
    cursor: pointer;
    line-height: 1;
}

.nav-toggle:hover {
    border-color: var(--border-accent);
    background: var(--border-primary);
}

.nav-link {
    order: 1; /* Default order, will be overridden by specific orders */
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    color: var(--accent-blue);
    padding: 8px 14px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: var(--font-size-md);
    font-weight: 500;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.nav-link:hover {
    background: var(--border-primary);
    border-color: var(--border-accent);
}

.nav-link.active {
    background: #1f6feb;
    color: #fff;
    border-color: #1f6feb;
    font-weight: 600;
    box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.1);
}

/* Nav link order - ensures consistent positioning */
.nav-link[href="/"],
.nav-link[href="/app.html"] {
    order: 1 !important;
}

.nav-link[href="/roi.html"] {
    order: 2 !important;
}

.nav-link[href="/test.html"] {
    order: 3 !important;
}

.nav-link[href="/history.html"] {
    order: 4 !important;
}

.nav-link[href="/control.html"] {
    order: 5 !important;
}

.nav-link[href="/settings.html"] {
    order: 6 !important;
}

.nav-link[href="/curtailment-discovery.html"] {
    order: 7 !important;
}

/* Admin panel link - always last */
.nav-link[href="/admin.html"] {
    order: 9999 !important;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;  /* always push to far right, even when siblings are hidden */
}

.nav-info,
.nav-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    padding: 8px;
}

.user-menu {
    position: relative;
    display: flex;
    align-items: center;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-md);
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    transition: transform var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.15);
    overflow: hidden;
}

.user-avatar:hover {
    transform: scale(1.05);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.user-dropdown {
    position: absolute;
    top: 110%;
    right: 0;
    width: 220px;
    background: rgba(33, 38, 45, 0.98);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: none;
    z-index: var(--z-dropdown);
}

.user-dropdown.show {
    display: block;
}

.user-dropdown-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-secondary);
}

.user-dropdown-header .user-name {
    font-weight: 600;
    color: var(--text-primary);
}

.user-dropdown-header .user-email {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: 2px;
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 11px 16px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: var(--font-size-md);
    cursor: pointer;
    text-align: left;
    transition: background var(--transition-normal);
}

.user-dropdown-item:hover {
    background: rgba(88, 166, 255, 0.12);
}

.user-dropdown-item.danger {
    color: var(--color-danger);
}

.user-dropdown-item.danger:hover {
    background: rgba(248, 81, 73, 0.12);
}

.user-dropdown-separator {
    border: none;
    border-top: 1px solid rgba(48, 54, 61, 0.8);
    margin: 6px 0;
}

.user-dropdown-item.sign-out {
    color: var(--text-secondary, #8b949e);
}

.user-dropdown-item.sign-out:hover {
    background: rgba(139, 148, 158, 0.1);
    color: var(--text-primary);
}

/* Page shell layout */
.page-shell {
    width: min(1400px, calc(100% - 32px));
    margin: 0 auto;
    padding: var(--space-3xl) 0 var(--space-3xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--space-xl);
}

.page-title {
    font-size: clamp(1.4rem, 2vw, 2rem);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-md);
    margin-top: var(--space-xs);
}

.page-actions {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
    flex-wrap: wrap;
}

.info-banner,
.status-banner {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-secondary);
    background: rgba(13, 17, 23, 0.6);
    color: var(--text-secondary);
    font-size: var(--font-size-md);
}

.status-banner.success {
    border-color: rgba(126, 231, 135, 0.3);
    background: var(--color-success-bg);
    color: var(--color-success);
}

.status-banner.warning {
    border-color: rgba(210, 153, 34, 0.3);
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.status-banner.danger {
    border-color: rgba(248, 81, 73, 0.3);
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

.surface-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-lg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-lg);
}

.section-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--font-size-md);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    font-family: inherit;
    white-space: nowrap;
}

/* Ensure primary/secondary button classes render correctly even when the
   base `btn` class is omitted in markup. Some templates use only
   `btn-primary` / `btn-secondary` on <button> elements — normalize here. */
.btn-primary,
.btn-secondary,
button.btn-primary,
button.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 14px;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-md);
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover:not(:disabled) {
    background: var(--border-primary);
    border-color: var(--border-accent);
    transform: translateY(-1px);
}

.btn:active:not(:disabled) {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    background: var(--gradient-success);
    border-color: var(--color-success-dark);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(35, 134, 54, 0.2);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #2ea043, #238636);
    border-color: #2ea043;
    box-shadow: 0 8px 24px rgba(35, 134, 54, 0.3);
}

.btn-secondary {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    color: var(--text-primary);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--border-primary);
    border-color: var(--accent-blue);
}

.btn-accent {
    background: var(--gradient-accent);
    border-color: #1f6feb;
    color: #fff;
    font-weight: 600;
}

.btn-accent:hover:not(:disabled) {
    background: linear-gradient(135deg, #388bfd, #1f6feb);
}

.btn-danger {
    background: var(--color-danger-bg);
    border-color: var(--color-danger);
    color: var(--color-danger);
}

.btn-danger:hover:not(:disabled) {
    background: rgba(248, 81, 73, 0.2);
}

.btn-sm {
    padding: 6px 10px;
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: 14px 20px;
    font-size: var(--font-size-base);
}

.btn-icon {
    padding: 6px 10px;
    min-width: auto;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--gradient-card);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(48, 54, 61, 0.4);
}

.card-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-title .icon {
    font-size: 1.2em;
}

.card-body {
    padding: 20px 22px;
}

.card-footer {
    padding: 16px 20px;
    background: rgba(0, 0, 0, 0.1);
    border-top: 1px solid rgba(48, 54, 61, 0.4);
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.input {
    width: 100%;
    padding: 9px 12px;
    background: rgba(13, 17, 23, 0.6);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--font-size-md);
    font-family: inherit;
    transition: all var(--transition-normal);
}

.input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px var(--accent-blue-bg);
    background: rgba(13, 17, 23, 0.8);
}

.input::placeholder {
    color: var(--text-placeholder);
}

.input-mono {
    font-family: var(--font-mono);
}

select.input {
    cursor: pointer;
}

textarea.input {
    min-height: 80px;
    resize: vertical;
}

.input-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.input-group {
    flex: 1;
}

.input-group.sm {
    flex: 0 0 70px;
}

/* ============================================
   ALERTS & MESSAGES
   ============================================ */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-md);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.alert-info {
    background: var(--color-info-bg);
    border: 1px solid rgba(88, 166, 255, 0.3);
    color: var(--accent-blue);
}

.alert-success {
    background: var(--color-success-bg);
    border: 1px solid rgba(126, 231, 135, 0.3);
    color: var(--color-success);
}

.alert-warning {
    background: var(--color-warning-bg);
    border: 1px solid rgba(210, 153, 34, 0.3);
    color: var(--color-warning);
}

.alert-danger {
    background: var(--color-danger-bg);
    border: 1px solid rgba(248, 81, 73, 0.3);
    color: var(--color-danger);
}

/* Toast variant — used by the floating showMessage() overlay.
   Solid opaque background so it's readable over any content. */
.toast-notification {
    background: var(--bg-card) !important;
    border-width: 1px;
    border-style: solid;
    box-shadow: var(--shadow-xl);
    margin-bottom: 0;
}
.alert-success.toast-notification  { border-color: rgba(126, 231, 135, 0.6); }
.alert-info.toast-notification     { border-color: rgba(88, 166, 255, 0.6); }
.alert-warning.toast-notification  { border-color: rgba(210, 153, 34, 0.6); }
.alert-danger.toast-notification   { border-color: rgba(248, 81, 73, 0.6); }

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-primary {
    background: var(--accent-blue-bg);
    color: var(--accent-blue);
}

.badge-success {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.badge-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.badge-danger {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

.badge-sync {
    background: rgba(88, 166, 255, 0.2);
    color: var(--accent-blue);
}

.badge-modified {
    background: rgba(210, 153, 34, 0.2);
    color: var(--color-warning);
}

/* ============================================
   FAQ ACCORDION
   ============================================ */
.faq-section {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px dashed var(--border-primary);
}

.faq-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--accent-blue);
    font-size: var(--font-size-md);
    font-weight: 500;
    padding: 8px 0;
    user-select: none;
}

.faq-toggle:hover {
    color: var(--accent-blue-hover);
}

.faq-toggle .arrow {
    transition: transform var(--transition-normal);
    font-size: 10px;
}

.faq-toggle.open .arrow {
    transform: rotate(90deg);
}

.faq-content {
    display: none;
    margin-top: 12px;
}

.faq-content.open {
    display: block;
}

.faq-item {
    background: rgba(13, 17, 23, 0.6);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 14px 16px;
    margin-bottom: 10px;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: var(--font-size-md);
    color: var(--text-primary);
    transition: background var(--transition-normal);
}

.faq-question:hover {
    background: var(--bg-tertiary);
}

.faq-question .icon {
    transition: transform var(--transition-normal);
    font-size: 10px;
    color: var(--text-secondary);
}

.faq-item.open .faq-question .icon {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    padding-top: 12px;
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--text-secondary);
}

.faq-item.open .faq-answer {
    display: block;
}

.faq-answer code {
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-success);
}

.faq-answer ul {
    margin: 8px 0;
    padding-left: 20px;
}

.faq-answer li {
    margin-bottom: 6px;
}

.faq-tip {
    background: var(--color-success-bg);
    border-left: 3px solid var(--color-success-dark);
    padding: 10px 12px;
    margin-top: 8px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: var(--font-size-sm);
    color: var(--color-success);
}

.faq-tip::before {
    content: '💡 ';
}

/* ============================================
   API METRICS FOOTER
   ============================================ */
.api-metrics-footer {
    position: fixed;
    top: 60px;
    right: 12px;
    background: rgba(13, 17, 23, 0.95);
    border: 1px solid var(--border-secondary);
    padding: 4px 8px;
    border-radius: var(--radius-lg);
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 0.7rem;
    color: var(--text-secondary);
    z-index: var(--z-fixed);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

/* Hide refresh button inside API footer (mobile and desktop) */
.api-metrics-footer button {
    display: none;
}

.api-metrics-footer .metrics-icon {
    font-weight: 600;
    color: var(--accent-blue);
    font-size: 0.75rem;
}

.api-metrics-footer .metrics-date {
    min-width: 60px;
    font-size: 0.65rem;
}

.api-metrics-footer .metrics-counts {
    display: flex;
    gap: 6px;
    align-items: center;
}

.api-metrics-footer .metric-fox {
    color: var(--color-success);
}

.api-metrics-footer .metric-amber {
    color: #79c0ff;
}

.api-metrics-footer .metric-weather {
    color: var(--color-yellow);
}

.api-metrics-footer .metric-value {
    font-weight: 600;
}

/* ============================================
   SPINNER / LOADING
   ============================================ */
.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

.spinner-sm {
    width: 12px;
    height: 12px;
    border-width: 1.5px;
}

.spinner-lg {
    width: 24px;
    height: 24px;
    border-width: 3px;
}

.spinner-accent {
    border-color: rgba(88, 166, 255, 0.2);
    border-top-color: var(--accent-blue);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

::-webkit-scrollbar-thumb {
    background: rgba(88, 166, 255, 0.3);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(88, 166, 255, 0.5);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-muted {
    color: var(--text-secondary);
}

.text-success {
    color: var(--color-success);
}

.text-danger {
    color: var(--color-danger);
}

.text-warning {
    color: var(--color-warning);
}

.text-accent {
    color: var(--accent-blue);
}

.font-mono {
    font-family: var(--font-mono);
}

.font-bold {
    font-weight: 600;
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-sm); }
.p-2 { padding: var(--space-md); }
.p-3 { padding: var(--space-lg); }
.p-4 { padding: var(--space-xl); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-sm); }
.gap-2 { gap: var(--space-md); }
.gap-3 { gap: var(--space-lg); }

.w-full { width: 100%; }
.h-full { height: 100%; }

/* Grid utilities */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.full-width { grid-column: 1 / -1; }
.span-2 { grid-column: span 2; }

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */
@media (max-width: 1200px) {
    .grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .nav-main {
        flex-wrap: wrap;
        gap: 8px;
        padding: 8px 12px;
        /* overflow-x removed: dropdown uses position:fixed so clipping is no longer needed,
           and overflow-x:hidden was also clipping the nav-right avatar on narrow screens */
    }

    .nav-toggle {
        display: inline-flex;
        order: 1;
        position: relative;
        z-index: 2;
        flex-shrink: 0;
    }

    /* Avatar always visible on mobile — same row as burger, pushed to the right */
    .nav-right {
        display: flex;
        order: 2;
        margin-left: auto;
        width: auto;
        padding-top: 0;
        flex-direction: row;
        align-items: center;
        gap: 8px;
        flex-shrink: 0;
    }

    /* Hide text-only nav-right items on mobile; keep user-menu avatar */
    .nav-right .nav-subtitle,
    .nav-right .nav-info {
        display: none;
    }

    .nav-links {
        display: none;
        order: 3;
        flex: 1 1 100%;
        max-width: 100%;
        flex-direction: column;
        align-items: stretch;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        gap: 8px;
        padding-top: 4px;
    }

    .nav-main.nav-open .nav-links {
        display: flex;
    }

    .nav-link {
        width: 100%;
        padding: 8px 10px;
        font-size: var(--font-size-sm);
    }

    .user-menu {
        align-self: center;
    }

    .page-shell {
        width: min(100%, calc(100% - 16px));
    }
    
    .api-metrics-footer {
        top: auto;
        bottom: calc(64px + env(safe-area-inset-bottom));
        right: auto;
        left: 12px;
        justify-content: flex-start;
        max-width: 200px;
        flex-wrap: wrap;
        font-size: 0.62rem;
        padding: 3px 6px;
        opacity: 0.82;
        pointer-events: none; /* allow taps to pass through; purely informational on mobile */
    }
    
    .grid-cols-2,
    .grid-cols-3 {
        grid-template-columns: 1fr;
    }
    
    .card-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
}

/* On mobile the nav has overflow-x:hidden which clips absolute children.
   Switch the dropdown to fixed positioning so it always renders on top. */
@media (max-width: 900px) {
    .user-dropdown {
        position: fixed;
        top: 56px;     /* just below the nav bar */
        right: 10px;
        left: auto;
        width: min(280px, calc(100vw - 20px));
        z-index: calc(var(--z-nav) + 1);
    }
}

@media (max-width: 480px) {
    .nav-main { padding: 8px 10px; }
    
    .btn {
        padding: 8px 10px;
    }
    
    .card-body {
        padding: 12px;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUpFadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.animate-fadeIn {
    animation: fadeIn 0.3s ease;
}

.animate-slideUp {
    animation: slideUp 0.4s ease-out;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}
