/* =============================================
   Signals Trading Platform — Dual Theme
   Light (default) + Dark mode via [data-theme="dark"]
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* =============================================
   1. Light Theme (Default)
   ============================================= */
:root {
    /* Backgrounds */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-sidebar: #ffffff;
    --bg-card: #ffffff;
    --bg-header: #0f172a;
    --bg-hover: rgba(0, 0, 0, 0.04);
    --bg-input: #ffffff;
    --bg-table-header: #0f172a;
    --bg-table-row-alt: rgba(0, 0, 0, 0.015);
    --bg-table-row-hover: rgba(37, 99, 235, 0.04);

    /* Text */
    --text-primary: #000000;
    --text-secondary: #333333;
    --text-accent: #2563eb;
    --text-disabled: #6b7280;

    /* Signal Colors */
    --color-long: #16a34a;
    --color-short: #dc2626;
    --color-watch: #2563eb;
    --color-warning: #d97706;
    --color-neutral: #64748b;

    /* Grade Colors */
    --grade-a: #16a34a;
    --grade-b: #2563eb;
    --grade-c: #d97706;
    --grade-d: #ea580c;
    --grade-e: #dc2626;

    /* Status Colors */
    --status-healthy: #16a34a;
    --status-warning: #d97706;
    --status-error: #dc2626;

    /* Borders */
    --border-color: #e2e8f0;
    --border-subtle: #f1f5f9;

    /* Accent */
    --accent-primary: #2563eb;
    --accent-primary-hover: #1d4ed8;
    --accent-glow: rgba(37, 99, 235, 0.15);

    /* Layout */
    --sidebar-width: 240px;
    --sidebar-collapsed: 60px;
    --header-height: 56px;

    /* Sidebar Light */
    --sidebar-bg: #ffffff;
    --sidebar-border: #e2e8f0;
    --sidebar-item-hover: #f1f5f9;
    --sidebar-item-active-bg: rgba(37, 99, 235, 0.08);
    --sidebar-text: #333333;
    --sidebar-text-hover: #000000;
    --sidebar-icon: #555555;
    --sidebar-chevron: #888888;
    --sidebar-divider: #f1f5f9;
    --sidebar-submenu-active: rgba(37, 99, 235, 0.06);

    /* Flyout */
    --flyout-bg: #ffffff;
    --flyout-border: #e2e8f0;
    --flyout-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-sidebar: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

    /* Table header text in light mode */
    --table-header-text: #ffffff;

    /* Card header in light mode */
    --card-header-bg: #f8fafc;

    /* Scrollbar */
    --scrollbar-thumb: #cbd5e1;
    --scrollbar-thumb-hover: #94a3b8;

    /* Dropdown */
    --dropdown-bg: #ffffff;
    --dropdown-hover: #f1f5f9;

    /* Close button filter */
    --close-btn-filter: none;
}

/* =============================================
   2. Dark Theme
   ============================================= */
[data-theme="dark"] {
    /* Backgrounds */
    --bg-primary: #0f0f1a;
    --bg-secondary: #161625;
    --bg-sidebar: #12121f;
    --bg-card: #1a1a2e;
    --bg-header: #0f0f1a;
    --bg-hover: #1e1e40;
    --bg-input: #161625;
    --bg-table-header: #1a1a2e;
    --bg-table-row-alt: rgba(255, 255, 255, 0.02);
    --bg-table-row-hover: rgba(108, 155, 255, 0.06);

    /* Text */
    --text-primary: #e8e8ef;
    --text-secondary: #8b8ba3;
    --text-accent: #6c9bff;
    --text-disabled: #4a4a6a;

    /* Signal Colors */
    --color-long: #00c853;
    --color-short: #ff1744;
    --color-watch: #448aff;
    --color-warning: #ffab00;
    --color-neutral: #8b8ba3;

    /* Grade Colors */
    --grade-a: #00c853;
    --grade-b: #2979ff;
    --grade-c: #ffab00;
    --grade-d: #ff6d00;
    --grade-e: #ff1744;

    /* Status Colors */
    --status-healthy: #00c853;
    --status-warning: #ffab00;
    --status-error: #ff1744;

    /* Borders */
    --border-color: #2a2a4a;
    --border-subtle: #1e1e35;

    /* Accent */
    --accent-primary: #6c9bff;
    --accent-primary-hover: #5a8af2;
    --accent-glow: rgba(108, 155, 255, 0.15);

    /* Sidebar Dark */
    --sidebar-bg: #12121f;
    --sidebar-border: #2a2a4a;
    --sidebar-item-hover: #1e1e40;
    --sidebar-item-active-bg: #1e1e40;
    --sidebar-text: #8b8ba3;
    --sidebar-text-hover: #e8e8ef;
    --sidebar-icon: #4a4a6a;
    --sidebar-chevron: #4a4a6a;
    --sidebar-divider: #1e1e35;
    --sidebar-submenu-active: rgba(108, 155, 255, 0.08);

    /* Flyout */
    --flyout-bg: #1a1a2e;
    --flyout-border: #2a2a4a;
    --flyout-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);

    /* Table header text in dark mode */
    --table-header-text: #8b8ba3;

    /* Card header in dark mode */
    --card-header-bg: rgba(255, 255, 255, 0.03);

    /* Scrollbar */
    --scrollbar-thumb: #2a2a4a;
    --scrollbar-thumb-hover: #4a4a6a;

    /* Dropdown */
    --dropdown-bg: #1a1a2e;
    --dropdown-hover: #1e1e40;

    /* Close button filter */
    --close-btn-filter: invert(1) grayscale(100%) brightness(200%);
}

/* =============================================
   3. Base Styles
   ============================================= */
html {
    font-size: 16px;
    height: 100%;
}

body {
    margin: 0;
    padding: 0;
    height: 100%;
    background-color: var(--bg-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Monospace utility for trading data */
.data-mono {
    font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', 'Cascadia Code', monospace;
    font-size: 0.85rem;
    letter-spacing: -0.02em;
}

/* =============================================
   4. App Layout — Header / Sidebar / Content
   ============================================= */

/* --- Header (always dark) --- */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--bg-header);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    padding: 0 1rem;
    z-index: 1030;
    gap: 0.75rem;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.4rem 0.5rem;
    border-radius: 6px;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.header-brand {
    font-weight: 700;
    font-size: 1rem;
    color: #ffffff;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    white-space: nowrap;
}

.header-brand .brand-accent {
    color: #6c9bff;
}

.header-spacer {
    flex: 1;
}

.pipeline-indicator {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.pipeline-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #00c853;
    display: inline-block;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 200, 83, 0.4); }
    50% { opacity: 0.7; box-shadow: 0 0 0 4px rgba(0, 200, 83, 0); }
}

/* Theme Toggle Button */
.theme-toggle {
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.6);
    font-size: 1rem;
    cursor: pointer;
    padding: 0.3rem 0.45rem;
    border-radius: 6px;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.3);
}

.theme-toggle .bi-sun-fill { display: none; }
.theme-toggle .bi-moon-fill { display: inline-block; }

[data-theme="dark"] .theme-toggle .bi-sun-fill { display: inline-block; }
[data-theme="dark"] .theme-toggle .bi-moon-fill { display: none; }

.header-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-username {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 500;
}

.header-logout-btn {
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
}

.header-logout-btn:hover {
    border-color: rgba(255, 255, 255, 0.3);
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}

.header-settings-link {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.1rem;
    padding: 0.25rem;
    border-radius: 4px;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    text-decoration: none;
}

.header-settings-link:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}

/* --- Sidebar --- */
.app-sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 1020;
    transition: width var(--transition-sidebar), background-color 0.3s ease;
    padding: 0.5rem 0 2.5rem 0;
    display: flex;
    flex-direction: column;
}

.app-sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

.sidebar-nav {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
    overflow-y: auto;
}

.sidebar-section {
    margin-bottom: 0.25rem;
}

.sidebar-item {
    display: flex;
    align-items: center;
    padding: 0.55rem 0.75rem;
    margin: 1px 0.5rem;
    border-radius: 6px;
    color: var(--sidebar-text);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    white-space: nowrap;
    user-select: none;
}

.sidebar-item:hover {
    background: var(--sidebar-item-hover);
    color: var(--sidebar-text-hover);
}

.sidebar-item.active {
    background: var(--sidebar-item-active-bg);
    color: var(--accent-primary);
    border-left: 3px solid var(--accent-primary);
    margin-left: calc(0.5rem - 3px);
}

.sidebar-icon {
    width: 22px;
    min-width: 22px;
    font-size: 1.05rem;
    text-align: center;
    margin-right: 0.75rem;
    color: var(--sidebar-icon);
    transition: margin var(--transition-sidebar), color var(--transition-fast);
}

.sidebar-item:hover .sidebar-icon {
    color: var(--sidebar-text-hover);
}

.sidebar-item.active .sidebar-icon {
    color: var(--accent-primary);
}

.sidebar-label {
    font-size: 0.95rem;
    font-weight: 500;
    opacity: 1;
    transition: opacity 0.15s ease, width var(--transition-sidebar);
    overflow: hidden;
    flex: 1;
}

.app-sidebar.collapsed .sidebar-label {
    opacity: 0;
    width: 0;
    margin: 0;
}

.app-sidebar.collapsed .sidebar-icon {
    margin-right: 0;
}

.sidebar-chevron {
    font-size: 0.7rem;
    transition: transform 0.2s ease;
    margin-left: auto;
    color: var(--sidebar-chevron);
}

.sidebar-section.open > .sidebar-item .sidebar-chevron {
    transform: rotate(90deg);
}

.app-sidebar.collapsed .sidebar-chevron {
    display: none;
}

/* Submenu */
.sidebar-submenu {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
}

.sidebar-section.open > .sidebar-submenu {
    max-height: 500px;
}

.sidebar-submenu-item {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--sidebar-text);
    padding: 0.45rem 0.75rem 0.45rem 2.75rem;
    margin: 1px 0.5rem;
    border-radius: 5px;
    font-size: 0.88rem;
    font-weight: 400;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.sidebar-submenu-item:hover {
    background: var(--sidebar-item-hover);
    color: var(--sidebar-text-hover);
}

.sidebar-submenu-item.active {
    color: var(--accent-primary);
    background: var(--sidebar-submenu-active);
}

.app-sidebar.collapsed .sidebar-submenu {
    display: none;
}

/* Sidebar Divider */
.sidebar-divider {
    height: 1px;
    background: var(--sidebar-divider);
    margin: 0.5rem 1rem;
}

/* Sidebar Version Badge */
.sidebar-version {
    margin-top: auto;
    padding: 0.6rem 1rem;
    text-align: center;
    border-top: 1px solid var(--sidebar-divider);
    flex-shrink: 0;
}

.sidebar-version-badge {
    font-size: 0.7rem;
    color: var(--text-muted, #888);
    opacity: 0.7;
    letter-spacing: 0.5px;
}

.app-sidebar.collapsed .sidebar-version-badge {
    font-size: 0.6rem;
}

/* Collapsed Flyout */
.sidebar-flyout {
    display: none;
    position: fixed;
    left: var(--sidebar-collapsed);
    background: var(--flyout-bg);
    border: 1px solid var(--flyout-border);
    border-radius: 6px;
    padding: 0.5rem 0;
    min-width: 180px;
    z-index: 1050;
    box-shadow: var(--flyout-shadow);
}

.sidebar-flyout.show {
    display: block;
}

.sidebar-flyout-title {
    padding: 0.4rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 0.25rem;
}

.sidebar-flyout-item {
    display: block;
    padding: 0.4rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.8rem;
    transition: all var(--transition-fast);
}

.sidebar-flyout-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* Sidebar scrollbar */
.app-sidebar::-webkit-scrollbar {
    width: 4px;
}

.app-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.app-sidebar::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 2px;
}

/* --- Main Content --- */
.app-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--header-height);
    padding: 1.25rem 1.5rem;
    min-height: calc(100vh - var(--header-height));
    transition: margin-left var(--transition-sidebar), background-color 0.3s ease;
    background-color: var(--bg-primary);
}

.app-content.sidebar-collapsed {
    margin-left: var(--sidebar-collapsed);
}

/* Mobile Backdrop */
.sidebar-backdrop {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1015;
}

.sidebar-backdrop.show {
    display: block;
}

/* =============================================
   5. Page Headers
   ============================================= */
h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
}

h2 {
    font-size: 1.35rem;
    margin-bottom: 1rem;
}

/* =============================================
   6. Cards
   ============================================= */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-fast), background-color 0.3s ease;
    color: var(--text-primary);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    background: var(--card-header-bg);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.card-body {
    color: var(--text-primary);
}

.card-title {
    color: var(--text-primary);
}

.card-text {
    color: var(--text-secondary);
}

/* Summary cards (dashboard) */
.summary-card {
    background: var(--bg-card);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.summary-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.summary-card .card-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
}

.summary-card .card-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    font-weight: 600;
}

/* Service cards */
.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.service-meta {
    border-color: var(--border-color) !important;
}

/* Bootstrap text-bg overrides */
.text-bg-primary { background-color: rgba(37, 99, 235, 0.15) !important; color: var(--grade-b) !important; border: 1px solid rgba(37, 99, 235, 0.25); }
.text-bg-success { background-color: rgba(22, 163, 74, 0.12) !important; color: var(--color-long) !important; border: 1px solid rgba(22, 163, 74, 0.25); }
.text-bg-danger { background-color: rgba(220, 38, 38, 0.12) !important; color: var(--color-short) !important; border: 1px solid rgba(220, 38, 38, 0.25); }
.text-bg-warning { background-color: rgba(217, 119, 6, 0.12) !important; color: var(--color-warning) !important; border: 1px solid rgba(217, 119, 6, 0.25); }
.text-bg-info { background-color: rgba(37, 99, 235, 0.12) !important; color: var(--color-watch) !important; border: 1px solid rgba(37, 99, 235, 0.25); }
.text-bg-secondary { background-color: rgba(100, 116, 139, 0.1) !important; color: var(--text-secondary) !important; border: 1px solid rgba(100, 116, 139, 0.2); }
.text-bg-dark { background-color: var(--bg-secondary) !important; color: var(--text-primary) !important; border: 1px solid var(--border-color); }

/* =============================================
   7. Tables
   ============================================= */
.table {
    color: var(--text-primary);
    border-color: var(--border-color);
    --bs-table-bg: transparent;
    --bs-table-color: var(--text-primary);
    --bs-table-border-color: var(--border-color);
    --bs-table-striped-bg: var(--bg-table-row-alt);
    --bs-table-striped-color: var(--text-primary);
    --bs-table-hover-bg: var(--bg-table-row-hover);
    --bs-table-hover-color: var(--text-primary);
}

.table thead th {
    background-color: var(--bg-table-header);
    color: var(--table-header-text);
    font-weight: 600;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.65rem 0.75rem;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

/* Override Bootstrap's table-dark so existing thead classes work */
.table-dark, .table thead.table-dark th {
    --bs-table-bg: var(--bg-table-header);
    --bs-table-color: var(--table-header-text);
    --bs-table-border-color: var(--border-color);
    background-color: var(--bg-table-header);
    color: var(--table-header-text);
}

.table tbody td {
    padding: 0.6rem 0.75rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.85rem;
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: var(--bg-table-row-alt);
    --bs-table-bg-type: var(--bg-table-row-alt);
}

.table-hover > tbody > tr:hover > * {
    background-color: var(--bg-table-row-hover);
    --bs-table-bg-state: var(--bg-table-row-hover);
}

.table-responsive {
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

/* Table row states */
.table-danger, .table-danger > td, .table-danger > th {
    --bs-table-bg: rgba(220, 38, 38, 0.06);
    --bs-table-color: var(--text-primary);
    background-color: rgba(220, 38, 38, 0.06) !important;
}

.table-warning, .table-warning > td, .table-warning > th {
    --bs-table-bg: rgba(217, 119, 6, 0.06);
    --bs-table-color: var(--text-primary);
    background-color: rgba(217, 119, 6, 0.06) !important;
}

.table-success, .table-success > td, .table-success > th {
    --bs-table-bg: rgba(22, 163, 74, 0.06);
    --bs-table-color: var(--text-primary);
    background-color: rgba(22, 163, 74, 0.06) !important;
}

.table-info, .table-info > td, .table-info > th {
    --bs-table-bg: rgba(37, 99, 235, 0.06);
    --bs-table-color: var(--text-primary);
    background-color: rgba(37, 99, 235, 0.06) !important;
}

/* =============================================
   8. Badges
   ============================================= */
.badge {
    font-weight: 500;
    padding: 0.3em 0.6em;
    border-radius: 4px;
    font-size: 0.72rem;
    letter-spacing: 0.02em;
}

.bg-success { background-color: rgba(22, 163, 74, 0.15) !important; color: var(--color-long) !important; }
.bg-primary { background-color: rgba(37, 99, 235, 0.15) !important; color: var(--grade-b) !important; }
.bg-danger { background-color: rgba(220, 38, 38, 0.15) !important; color: var(--color-short) !important; }
.bg-warning { background-color: rgba(217, 119, 6, 0.15) !important; color: var(--color-warning) !important; }
.bg-info { background-color: rgba(37, 99, 235, 0.15) !important; color: var(--color-watch) !important; }
.bg-secondary { background-color: rgba(100, 116, 139, 0.12) !important; color: var(--text-secondary) !important; }
.bg-orange { background-color: rgba(234, 88, 12, 0.15) !important; color: var(--grade-d) !important; }

/* text-dark override for themed badges */
.badge.text-dark {
    color: inherit !important;
}

/* =============================================
   9. Buttons
   ============================================= */
.btn {
    font-weight: 500;
    border-radius: 6px;
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
    transition: all var(--transition-fast);
    font-family: inherit;
}

.btn-primary {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--accent-primary-hover);
    border-color: var(--accent-primary-hover);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

.btn-outline-primary {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.btn-outline-primary:hover {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #fff;
}

.btn-outline-secondary {
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.btn-outline-secondary:hover {
    background-color: var(--bg-hover);
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.btn-outline-danger {
    color: var(--color-short);
    border-color: rgba(220, 38, 38, 0.3);
}

.btn-outline-danger:hover {
    background-color: rgba(220, 38, 38, 0.1);
    border-color: var(--color-short);
    color: var(--color-short);
}

.btn-success {
    background-color: rgba(22, 163, 74, 0.15);
    border-color: rgba(22, 163, 74, 0.25);
    color: var(--color-long);
}

.btn-success:hover {
    background-color: rgba(22, 163, 74, 0.25);
    border-color: rgba(22, 163, 74, 0.35);
    color: var(--color-long);
}

.btn-danger {
    background-color: rgba(220, 38, 38, 0.15);
    border-color: rgba(220, 38, 38, 0.25);
    color: var(--color-short);
}

.btn-danger:hover {
    background-color: rgba(220, 38, 38, 0.25);
    border-color: rgba(220, 38, 38, 0.35);
    color: var(--color-short);
}

.btn-warning {
    background-color: rgba(217, 119, 6, 0.15);
    border-color: rgba(217, 119, 6, 0.25);
    color: var(--color-warning);
}

.btn-warning:hover {
    background-color: rgba(217, 119, 6, 0.25);
    border-color: rgba(217, 119, 6, 0.35);
    color: var(--color-warning);
}

.btn-secondary {
    background-color: var(--bg-hover);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: rgba(0, 0, 0, 0.06);
    border-color: var(--text-secondary);
}

[data-theme="dark"] .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

.btn-link {
    color: var(--accent-primary);
    text-decoration: none;
}

.btn-link:hover {
    color: var(--accent-primary-hover);
    text-decoration: underline;
}

.btn-sm {
    padding: 0.2rem 0.6rem;
    font-size: 0.78rem;
    border-radius: 5px;
}

/* =============================================
   10. Forms
   ============================================= */
.form-control, .form-select {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    padding: 0.45rem 0.75rem;
    font-size: 0.85rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color 0.3s ease;
}

.form-control::placeholder {
    color: var(--text-disabled);
}

.form-control:focus, .form-select:focus {
    background-color: var(--bg-input);
    border-color: var(--accent-primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem var(--accent-glow);
}

.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2364748b' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

[data-theme="dark"] .form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%238b8ba3' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

.form-select option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.form-label {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 0.3rem;
}

.form-text {
    font-size: 0.75rem;
    color: var(--text-disabled);
}

.form-check-input {
    background-color: var(--bg-input);
    border-color: var(--border-color);
}

.form-check-input:checked {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.form-check-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 0.2rem var(--accent-glow);
}

.form-check-label {
    color: var(--text-primary);
    font-size: 0.85rem;
}

.input-group-text {
    background-color: var(--bg-hover);
    border-color: var(--border-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Form switch - larger */
.form-switch-lg .form-check-input {
    width: 2.8em;
    height: 1.5em;
    cursor: pointer;
}

/* =============================================
   11. Alerts
   ============================================= */
.alert {
    border-radius: 6px;
    font-size: 0.85rem;
    border: 1px solid;
}

.alert-info {
    background-color: rgba(37, 99, 235, 0.08);
    border-color: rgba(37, 99, 235, 0.15);
    color: var(--color-watch);
}

.alert-success {
    background-color: rgba(22, 163, 74, 0.08);
    border-color: rgba(22, 163, 74, 0.15);
    color: var(--color-long);
}

.alert-warning {
    background-color: rgba(217, 119, 6, 0.08);
    border-color: rgba(217, 119, 6, 0.15);
    color: var(--color-warning);
}

.alert-danger {
    background-color: rgba(220, 38, 38, 0.08);
    border-color: rgba(220, 38, 38, 0.15);
    color: var(--color-short);
}

/* =============================================
   12. Bootstrap Utility Overrides
   ============================================= */

/* Text color utilities */
.text-muted { color: var(--text-disabled) !important; }
.text-body { color: var(--text-primary) !important; }
.text-success { color: var(--color-long) !important; }
.text-danger { color: var(--color-short) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-info { color: var(--color-watch) !important; }
.text-primary { color: var(--accent-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-light { color: var(--text-primary) !important; }
.text-dark { color: var(--text-primary) !important; }

/* Border utilities */
.border { border-color: var(--border-color) !important; }
.border-top { border-top-color: var(--border-color) !important; }
.border-bottom { border-bottom-color: var(--border-color) !important; }
.border-start { border-left-color: var(--border-color) !important; }
.border-end { border-right-color: var(--border-color) !important; }
.border-success { border-color: rgba(22, 163, 74, 0.35) !important; }
.border-danger { border-color: rgba(220, 38, 38, 0.35) !important; }
.border-warning { border-color: rgba(217, 119, 6, 0.35) !important; }
.border-secondary { border-color: var(--border-color) !important; }

/* Background utilities */
.bg-body { background-color: var(--bg-primary) !important; }
.bg-light { background-color: var(--bg-secondary) !important; }
.bg-dark { background-color: var(--bg-header) !important; }
.bg-white { background-color: var(--bg-card) !important; }

/* Dropdown */
.dropdown-menu {
    background-color: var(--dropdown-bg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.dropdown-item {
    color: var(--text-primary);
    font-size: 0.85rem;
}

.dropdown-item:hover, .dropdown-item:focus {
    background-color: var(--dropdown-hover);
    color: var(--text-primary);
}

.dropdown-menu-dark {
    background-color: var(--dropdown-bg);
}

.dropdown-divider {
    border-color: var(--border-color);
}

/* Modal */
.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.modal-header {
    border-bottom-color: var(--border-color);
}

.modal-footer {
    border-top-color: var(--border-color);
}

/* Close button */
.btn-close {
    filter: var(--close-btn-filter);
}

/* Progress bars */
.progress {
    background-color: var(--bg-hover);
    border-radius: 4px;
}

.progress-bar {
    border-radius: 4px;
}

/* Nav tabs */
.nav-tabs {
    border-bottom-color: var(--border-color);
}

.nav-tabs .nav-link {
    color: var(--text-secondary);
}

.nav-tabs .nav-link:hover {
    border-color: var(--border-color);
    color: var(--text-primary);
}

.nav-tabs .nav-link.active {
    background-color: var(--bg-card);
    border-color: var(--border-color) var(--border-color) var(--bg-card);
    color: var(--text-primary);
}

/* Pagination */
.page-link {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.page-link:hover {
    background-color: var(--bg-hover);
    border-color: var(--border-color);
    color: var(--accent-primary);
}

/* Accordion */
.accordion {
    --bs-accordion-bg: var(--bg-card);
    --bs-accordion-border-color: var(--border-color);
    --bs-accordion-color: var(--text-primary);
    --bs-accordion-btn-color: var(--text-primary);
    --bs-accordion-btn-bg: var(--bg-card);
    --bs-accordion-active-bg: var(--bg-hover);
    --bs-accordion-active-color: var(--accent-primary);
}

/* List group */
.list-group-item {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* =============================================
   13. Scrollbar
   ============================================= */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

/* =============================================
   14. Log Table (Services/Logs page)
   ============================================= */
.log-table .log-message {
    font-family: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', monospace;
    font-size: 0.78rem;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--text-secondary);
}

/* =============================================
   15. Auth Layout (Login/Register pages)
   ============================================= */
body.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-primary);
}

.auth-container {
    width: 100%;
    max-width: 420px;
    padding: 2rem;
}

.auth-brand {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-brand h1 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.auth-brand .brand-accent {
    color: var(--accent-primary);
}

.auth-brand p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.auth-footer {
    text-align: center;
    margin-top: 2rem;
    font-size: 0.85rem;
    color: var(--text-disabled);
}

/* =============================================
   16. Responsive
   ============================================= */

/* Tablet — sidebar auto-collapse */
@media (max-width: 992px) {
    .app-sidebar {
        width: var(--sidebar-collapsed);
    }

    .app-sidebar .sidebar-label {
        opacity: 0;
        width: 0;
    }

    .app-sidebar .sidebar-icon {
        margin-right: 0;
    }

    .app-sidebar .sidebar-chevron {
        display: none;
    }

    .app-sidebar .sidebar-submenu {
        display: none;
    }

    .app-content {
        margin-left: var(--sidebar-collapsed);
    }

    /* Expand on hover for tablet */
    .app-sidebar:hover {
        width: var(--sidebar-width);
        box-shadow: var(--shadow-lg);
    }

    .app-sidebar:hover .sidebar-label {
        opacity: 1;
        width: auto;
    }

    .app-sidebar:hover .sidebar-icon {
        margin-right: 0.75rem;
    }

    .app-sidebar:hover .sidebar-chevron {
        display: block;
    }

    .app-sidebar:hover .sidebar-submenu {
        display: block;
    }
}

/* Mobile — sidebar as overlay */
@media (max-width: 768px) {
    .app-sidebar {
        width: var(--sidebar-width);
        transform: translateX(-100%);
        transition: transform var(--transition-sidebar);
        box-shadow: var(--shadow-lg);
        z-index: 1040;
    }

    .app-sidebar.mobile-open {
        transform: translateX(0);
    }

    .app-sidebar:hover {
        width: var(--sidebar-width);
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
    }

    .app-sidebar.mobile-open:hover {
        transform: translateX(0);
    }

    .app-sidebar .sidebar-label,
    .app-sidebar:hover .sidebar-label {
        opacity: 1;
        width: auto;
    }

    .app-sidebar .sidebar-icon,
    .app-sidebar:hover .sidebar-icon {
        margin-right: 0.75rem;
    }

    .app-sidebar .sidebar-chevron,
    .app-sidebar:hover .sidebar-chevron {
        display: block;
    }

    .app-sidebar .sidebar-submenu,
    .app-sidebar:hover .sidebar-submenu {
        display: block;
    }

    .app-content {
        margin-left: 0;
    }

    .app-content.sidebar-collapsed {
        margin-left: 0;
    }

    .header-brand {
        font-size: 0.85rem;
    }

    .pipeline-indicator {
        display: none;
    }
}

/* =============================================
   17. Misc & Utility
   ============================================= */

/* Validation messages */
.text-danger.field-validation-error,
span.text-danger {
    font-size: 0.78rem;
}

.validation-summary-errors {
    color: var(--color-short);
}

/* Horizontal rule */
hr {
    border-color: var(--border-color);
    opacity: 0.5;
}

/* Links */
a {
    color: var(--accent-primary);
}

a:hover {
    color: var(--accent-primary-hover);
}

/* Selection */
::selection {
    background: rgba(37, 99, 235, 0.25);
    color: var(--text-primary);
}

[data-theme="dark"] ::selection {
    background: rgba(108, 155, 255, 0.3);
}

/* Tooltip */
.tooltip {
    --bs-tooltip-bg: var(--bg-card);
    --bs-tooltip-color: var(--text-primary);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-disabled);
}

.empty-state i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

/* Responsive table wrapper */
@media (max-width: 768px) {
    .table-responsive {
        font-size: 0.8rem;
    }
}

/* Login partial */
.login-partial .btn {
    font-size: 0.8rem;
}