/* ══════════════════════════════════════════════════════════════════════════
   KIDS PREMIER CRM — Enterprise Dark UI
   ══════════════════════════════════════════════════════════════════════════ */

/* ── Design Tokens ──────────────────────────────────────────────────────── */
:root {
    --sidebar-width: 250px;
    --sidebar-collapsed-width: 68px;
    --header-height: 58px;
    --panel-width: 500px;
    --bottom-nav-height: 56px;

    /* Surface palette — richer navy tones */
    --bg-body: #0c0e16;
    --bg-surface: #121420;
    --bg-card: #181b2a;
    --bg-card-hover: #1e2236;
    --bg-elevated: #232840;
    --bg-input: #161929;

    /* Borders — slightly more visible */
    --border-color: rgba(255, 255, 255, 0.07);
    --border-subtle: rgba(255, 255, 255, 0.04);
    --border-accent: rgba(99, 102, 241, 0.25);

    /* Primary — vivid blue-indigo */
    --primary: #6366f1;
    --primary-hover: #818cf8;
    --primary-light: rgba(99, 102, 241, 0.14);
    --primary-subtle: rgba(99, 102, 241, 0.08);
    --primary-glow: 0 0 20px rgba(99, 102, 241, 0.15);

    /* Accent palette for sidebar icons & badges */
    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-rose: #f43f5e;
    --accent-violet: #8b5cf6;
    --accent-orange: #f97316;
    --accent-pink: #ec4899;

    /* Status */
    --success: #22c55e;
    --success-light: rgba(34, 197, 94, 0.12);
    --danger: #ef4444;
    --danger-light: rgba(239, 68, 68, 0.12);
    --warning: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.12);
    --info: #06b6d4;
    --info-light: rgba(6, 182, 212, 0.12);

    /* Text — brighter for readability */
    --text-primary: #edf0f7;
    --text-secondary: #94a0b8;
    --text-muted: #5c6582;
    --text-inverse: #0c0e16;

    /* Sidebar */
    --sidebar-bg: linear-gradient(180deg, #0f1120 0%, #0a0c17 100%);
    --sidebar-hover: rgba(255, 255, 255, 0.04);
    --sidebar-active: rgba(99, 102, 241, 0.12);
    --sidebar-text: #7a829e;
    --sidebar-text-active: #edf0f7;
    --sidebar-section-label: #464d65;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    /* Borders & Shadows */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.08);

    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Bootstrap compat */
    --gray-50: #121420;
    --gray-100: #181b2a;
    --gray-200: rgba(255, 255, 255, 0.07);
    --gray-300: rgba(255, 255, 255, 0.12);
    --gray-400: #5c6582;
    --gray-500: #94a0b8;
    --gray-600: #adb5c7;
    --gray-700: #c8cdd8;
    --gray-800: #edf0f7;
    --gray-900: #f5f6f8;
}

/* ── Base ───────────────────────────────────────────────────────────────── */
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    letter-spacing: -0.01em;
}

a { color: var(--primary-hover); }
a:hover { color: #a5b4fc; }

::selection { background: var(--primary); color: white; }

h1, h2, h3, h4, h5, h6 {
    letter-spacing: -0.02em;
    font-weight: 600;
}

/* ── Scrollbar ─────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.08); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.16); }

/* ── Sidebar ───────────────────────────────────────────────────────────── */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    color: white;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 1050;
    transition: transform var(--transition-slow);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.sidebar::-webkit-scrollbar { width: 0; }

.sidebar-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-color);
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    min-height: var(--header-height);
    color: var(--text-primary);
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

.sidebar-header .logo-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary) 0%, #a78bfa 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.sidebar-section-label {
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--sidebar-section-label);
    padding: var(--space-md) var(--space-lg) var(--space-xs);
    margin-top: var(--space-xs);
}

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

.sidebar-nav-item { margin: 0; }

.sidebar-nav-link {
    display: flex;
    align-items: center;
    padding: 0.5rem 0.75rem 0.5rem var(--space-lg);
    color: var(--sidebar-text);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: 0.8125rem;
    min-height: 38px;
    margin: 1px 8px;
    border-radius: var(--radius-sm);
    position: relative;
}

.sidebar-nav-link:hover {
    background: var(--sidebar-hover);
    color: var(--sidebar-text-active);
}

.sidebar-nav-link.active {
    background: var(--sidebar-active);
    color: var(--primary-hover);
    font-weight: 600;
}

.sidebar-nav-link.active::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 6px;
    bottom: 6px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: var(--primary);
}

.sidebar-nav-icon {
    width: 20px;
    height: 20px;
    margin-right: 0.7rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.9375rem;
}

/* Colored sidebar icons */
.sidebar-nav-link[href="/dashboard"] .sidebar-nav-icon { color: var(--accent-blue); }
.sidebar-nav-link[href="/leads"] .sidebar-nav-icon { color: var(--accent-emerald); }
.sidebar-nav-link[href="/tours"] .sidebar-nav-icon { color: var(--accent-amber); }
.sidebar-nav-link[href="/tasks"] .sidebar-nav-icon { color: var(--accent-violet); }
.sidebar-nav-link[href="/reports"] .sidebar-nav-icon { color: var(--accent-cyan); }
.sidebar-nav-link.active .sidebar-nav-icon { color: var(--primary-hover); }

.sidebar-user {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-shrink: 0;
}

.sidebar-user-avatar {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--accent-emerald), var(--accent-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
    color: white;
    text-transform: uppercase;
    flex-shrink: 0;
}

.sidebar-user-info {
    overflow: hidden;
}

.sidebar-user-name {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: 0.6875rem;
    color: var(--text-muted);
}

.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

.sidebar-overlay.show { opacity: 1; visibility: visible; }

/* ── Header ────────────────────────────────────────────────────────────── */
.header {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--header-height);
    background: rgba(18, 20, 32, 0.85);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 var(--space-lg);
    z-index: 1030;
    gap: var(--space-sm);
}

.header-hamburger {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background var(--transition-fast);
}

.header-hamburger:hover { background: var(--bg-card); }

.header-search {
    flex: 1;
    max-width: 480px;
    margin-right: var(--space-sm);
    position: relative;
}

.header-search input {
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    background: var(--bg-input);
    color: var(--text-primary);
    padding: 0.5rem 1rem 0.5rem 2.25rem;
    width: 100%;
    font-size: 0.8125rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%235c6582' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 0.75rem center;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.header-search input::placeholder { color: var(--text-muted); }

.header-search input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-subtle), var(--primary-glow);
}

.search-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-height: 400px;
    overflow-y: auto;
    z-index: 1100;
    display: none;
}

.search-dropdown.show { display: block; }

.header-actions {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-shrink: 0;
}

.header-actions .btn {
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    padding: 0.375rem 0.75rem;
    font-weight: 500;
    white-space: nowrap;
}

.header-actions .btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #818cf8 100%);
    border: none;
    color: white;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.header-actions .btn-primary:hover {
    background: linear-gradient(135deg, #818cf8 0%, #a5b4fc 100%);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}

.header-actions .btn-outline-primary {
    color: var(--text-secondary);
    border-color: var(--border-color);
    background: transparent;
}

.header-actions .btn-outline-primary:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary-hover);
}

/* ── Main content ──────────────────────────────────────────────────────── */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--header-height);
    padding: var(--space-lg);
    min-height: calc(100vh - var(--header-height));
}

/* ── Cards ──────────────────────────────────────────────────────────────── */
.card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-md);
    background: var(--bg-card);
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.1);
}

.card-header {
    background: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, transparent 100%);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
}

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

.card-footer {
    background: transparent;
    border-top: 1px solid var(--border-color);
}

/* ── KPI Cards ─────────────────────────────────────────────────────────── */
.kpi-card {
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    transition: all var(--transition-fast);
    overflow: hidden;
    position: relative;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent-cyan));
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.kpi-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--primary-glow);
    transform: translateY(-2px);
}

.kpi-card:hover::before { opacity: 1; }

.kpi-card .card-body h6,
.kpi-card .card-body h4 {
    font-size: 1.75rem;
    font-weight: 700;
}

/* ── Kanban ─────────────────────────────────────────────────────────────── */
.kanban-board {
    display: flex;
    gap: var(--space-md);
    padding-bottom: var(--space-md);
    width: 100%;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
}

.kanban-column {
    min-width: 260px;
    max-width: 300px;
    flex-shrink: 0;
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: calc(100vh - 280px);
    min-height: 400px;
    scroll-snap-align: start;
}

.kanban-column-header {
    font-weight: 600;
    font-size: 0.75rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, transparent 100%);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    position: sticky;
    top: 0;
    z-index: 10;
    cursor: pointer;
    transition: background var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.kanban-column-header:hover { background: var(--bg-card-hover); }

.kanban-column-header .badge {
    margin-left: var(--space-sm);
    font-weight: 600;
    font-size: 0.6875rem;
}

.kanban-column-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-sm);
}

.kanban-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 0.75rem;
    margin-bottom: var(--space-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid var(--border-color);
    position: relative;
}

.kanban-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--primary-glow);
    transform: translateY(-1px);
}

.kanban-card-title {
    font-weight: 600;
    font-size: 0.8125rem;
    margin-bottom: 0.125rem;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

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

.kanban-card-meta {
    font-size: 0.6875rem;
    color: var(--text-muted);
    margin-bottom: var(--space-xs);
}

.kanban-card-badges {
    display: flex;
    gap: 0.25rem;
    margin-bottom: var(--space-xs);
    flex-wrap: wrap;
}

.kanban-card-actions {
    display: flex;
    gap: 0.25rem;
    margin-top: var(--space-sm);
    flex-wrap: wrap;
}

.kanban-card-actions .btn {
    font-size: 0.6875rem;
    padding: 0.2rem 0.4rem;
    line-height: 1.2;
    border-radius: var(--radius-sm);
}

/* ── Slide-over panel ──────────────────────────────────────────────────── */
.slide-over {
    position: fixed;
    top: 0;
    right: 0;
    width: var(--panel-width);
    height: 100vh;
    background: var(--bg-surface);
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.5);
    z-index: 2000;
    transform: translateX(100%);
    transition: transform var(--transition-slow) cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y: auto;
    border-left: 1px solid var(--border-color);
}

.slide-over.open { transform: translateX(0); }

.slide-over-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}

.slide-over-backdrop.show { opacity: 1; visibility: visible; }

.slide-over-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    background: var(--bg-surface);
    z-index: 10;
}

.slide-over-body { padding: var(--space-lg); }

.slide-over-tabs { border-bottom: 1px solid var(--border-color); display: flex; gap: 0; }

.slide-over-tab {
    padding: 0.75rem 1.25rem;
    border: none;
    background: none;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
    font-size: 0.8125rem;
    font-weight: 500;
}

.slide-over-tab.active { color: var(--primary-hover); border-bottom-color: var(--primary); }
.slide-over-tab:hover { color: var(--primary-hover); }

/* ── Badges ─────────────────────────────────────────────────────────────── */
.badge {
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge-today { background-color: var(--success); color: white; }
.badge-overdue { background-color: var(--danger); color: white; }

/* ── Quick actions ─────────────────────────────────────────────────────── */
.quick-action-btn {
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

/* ── Toast notifications ───────────────────────────────────────────────── */
.toast-container {
    position: fixed;
    top: calc(var(--header-height) + var(--space-md));
    right: var(--space-md);
    z-index: 3000;
}

.toast {
    min-width: 280px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

/* ── Status dropdown ───────────────────────────────────────────────────── */
.status-dropdown { display: inline-flex; align-items: center; gap: var(--space-sm); }

.status-arrow {
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
    min-width: 28px;
    min-height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.status-arrow:hover { background: var(--bg-elevated); }

/* ── Widgets ───────────────────────────────────────────────────────────── */
.widget {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
}

.widget-title {
    font-weight: 700;
    margin-bottom: 0.75rem;
    font-size: 0.6875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.widget-list { list-style: none; padding: 0; margin: 0; }
.widget-list-item { padding: var(--space-sm) 0; border-bottom: 1px solid var(--border-color); }
.widget-list-item:last-child { border-bottom: none; }

/* ── Tables ────────────────────────────────────────────────────────────── */
.table { color: var(--text-primary); }

.table > :not(caption) > * > * {
    background-color: transparent;
    border-bottom-color: var(--border-color);
    color: var(--text-primary);
}

.lead-row { transition: background-color var(--transition-fast); }

.lead-row:hover { background-color: var(--bg-card-hover) !important; }

.lead-row.selected {
    background-color: var(--primary-light) !important;
    border-left: 3px solid var(--primary);
}

.table-sm { font-size: 0.8125rem; }

.table-sm td, .table-sm th {
    padding: 0.625rem 0.75rem;
    vertical-align: middle;
}

.table-sm th {
    font-weight: 600;
    background-color: var(--bg-surface) !important;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    position: sticky;
    top: 0;
    z-index: 5;
}

.table-sm th a { color: inherit; text-decoration: none; }
.table-sm th a:hover { color: var(--primary-hover); }

.table-sm tbody tr:nth-child(even) { background-color: rgba(255,255,255,0.015); }
.table-sm tbody tr:nth-child(odd) { background-color: var(--bg-card); }

.table-hover > tbody > tr:hover > * {
    background-color: var(--bg-card-hover);
    color: var(--text-primary);
}

.table-light th, .table-light {
    background-color: var(--bg-surface) !important;
    color: var(--text-muted) !important;
}

/* ── Quick filter chips ────────────────────────────────────────────────── */
.filter-chip {
    border-radius: var(--radius-full);
    padding: 0.25rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

/* ── Loading indicator ─────────────────────────────────────────────────── */
.table-warning { background-color: var(--warning-light) !important; position: relative; }
.table-warning::after {
    content: '';
    position: absolute;
    top: 50%; right: 10px;
    width: 14px; height: 14px;
    border: 2px solid var(--warning);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Empty state ───────────────────────────────────────────────────────── */
.empty-state { padding: var(--space-2xl) var(--space-md); text-align: center; }
.empty-state i { font-size: 3.5rem; color: var(--text-muted); margin-bottom: var(--space-md); display: block; opacity: 0.5; }
.empty-state h5 { color: var(--text-primary); margin-bottom: var(--space-sm); }
.empty-state p { color: var(--text-secondary); max-width: 360px; margin: 0 auto var(--space-md); }

/* ── Login page ────────────────────────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at 30% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(6, 182, 212, 0.06) 0%, transparent 50%),
                var(--bg-body);
    padding: var(--space-md);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent-cyan), var(--accent-violet));
}

.login-card .login-logo { text-align: center; margin-bottom: var(--space-xl); }
.login-card .login-logo i { font-size: 2.5rem; color: var(--primary); }
.login-card .login-logo h2 {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-top: var(--space-sm);
}

/* ── Error page ────────────────────────────────────────────────────────── */
.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-body);
    padding: var(--space-md);
}

.error-card { text-align: center; max-width: 480px; }

.error-card .error-code {
    font-size: 6rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-sm);
}

/* ── Forms ─────────────────────────────────────────────────────────────── */
.form-control, .form-select {
    border-radius: var(--radius-sm);
    border-color: var(--border-color);
    background-color: var(--bg-input);
    color: var(--text-primary);
    font-size: 0.8125rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-subtle);
    background-color: var(--bg-input);
    color: var(--text-primary);
}

.form-control:disabled, .form-control[readonly] {
    background-color: var(--bg-surface);
    color: var(--text-secondary);
    opacity: 0.7;
}

.form-control.is-valid { border-color: var(--success); }
.form-control.is-invalid { border-color: var(--danger); }

.form-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.form-text { color: var(--text-muted); font-size: 0.75rem; }
.form-select option { background: var(--bg-elevated); color: var(--text-primary); }

/* ── Bottom Navigation (mobile) ────────────────────────────────────────── */
.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    height: var(--bottom-nav-height);
    background: rgba(18, 20, 32, 0.9);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--border-color);
    z-index: 1050;
    padding: 0;
}

.bottom-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-around;
    height: 100%;
    max-width: 480px;
    margin: 0 auto;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.625rem;
    font-weight: 500;
    padding: 0.25rem 0;
    min-width: 56px;
    transition: color var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.bottom-nav-item i { font-size: 1.25rem; margin-bottom: 0.125rem; }
.bottom-nav-item.active { color: var(--primary-hover); }
.bottom-nav-item:hover { color: var(--primary-hover); }

/* ── Spinner ───────────────────────────────────────────────────────────── */
.spinner-border-sm { width: 1rem; height: 1rem; border-width: 0.15em; }

/* ── HTMX ──────────────────────────────────────────────────────────────── */
.htmx-indicator { opacity: 0; transition: opacity var(--transition-base); }
.htmx-request .htmx-indicator, .htmx-request.htmx-indicator { opacity: 1; }

/* ── Animations ────────────────────────────────────────────────────────── */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in { animation: fadeIn var(--transition-base) ease-out; }

/* ── Form validation ───────────────────────────────────────────────────── */
.form-control:user-invalid, .form-select:user-invalid {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.08);
}
.invalid-feedback { font-size: 0.75rem; color: var(--danger); }
.valid-feedback { font-size: 0.75rem; color: var(--success); }

/* ── Input group ───────────────────────────────────────────────────────── */
.input-group-text {
    background: var(--bg-surface);
    border-color: var(--border-color);
    color: var(--text-muted);
    font-size: 0.8125rem;
}

/* ── Alerts ─────────────────────────────────────────────────────────────── */
.alert { border-radius: var(--radius-md); font-size: 0.8125rem; border: none; }
.alert-danger { background: var(--danger-light); color: #fca5a5; }
.alert-success { background: var(--success-light); color: #86efac; }
.alert-info { background: var(--info-light); color: #67e8f9; }
.alert-warning { background: var(--warning-light); color: #fcd34d; }

/* ── Dropdown ──────────────────────────────────────────────────────────── */
.dropdown-menu {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: 0.8125rem;
    padding: var(--space-xs) 0;
}

.dropdown-item {
    padding: 0.5rem 1rem;
    transition: background var(--transition-fast);
    color: var(--text-secondary);
}

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

.dropdown-item i { width: 1.25rem; margin-right: var(--space-xs); color: var(--text-muted); }
.dropdown-divider { border-top-color: var(--border-color); }

/* ── Modal ─────────────────────────────────────────────────────────────── */
.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    color: var(--text-primary);
}
.modal-header { border-bottom: 1px solid var(--border-color); padding: var(--space-md) var(--space-lg); }
.modal-header .modal-title { font-weight: 600; font-size: 1rem; color: var(--text-primary); }
.modal-header .btn-close { filter: invert(1) grayscale(100%) brightness(200%); }
.modal-body { padding: var(--space-lg); }
.modal-footer { border-top: 1px solid var(--border-color); padding: var(--space-md) var(--space-lg); }

/* ── Pagination ────────────────────────────────────────────────────────── */
.pagination .page-link {
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    margin: 0 2px;
}
.pagination .page-link:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary-hover); }
.pagination .page-item.active .page-link { background: var(--primary); border-color: var(--primary); color: white; }

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

/* ── Nav tabs ──────────────────────────────────────────────────────────── */
.nav-tabs { border-bottom-color: var(--border-color); }
.nav-tabs .nav-link { color: var(--text-muted); border: none; border-bottom: 2px solid transparent; }
.nav-tabs .nav-link:hover { color: var(--text-secondary); border-bottom-color: rgba(255,255,255,0.1); }
.nav-tabs .nav-link.active { background: transparent; color: var(--primary-hover); border-bottom-color: var(--primary); }

/* ── Fieldset / Legend ────────────────────────────────────────────────── */
fieldset { border: none; padding: 0; margin: 0; }
legend { float: none; width: auto; color: var(--text-secondary); }

/* ── Bootstrap overrides ──────────────────────────────────────────────── */
.text-muted { color: var(--text-muted) !important; }
.text-dark { color: var(--text-primary) !important; }
.bg-light { background-color: var(--bg-surface) !important; }
.bg-white { background-color: var(--bg-card) !important; }
.border { border-color: var(--border-color) !important; }
.border-bottom { border-bottom-color: var(--border-color) !important; }

.btn-close { filter: invert(1) grayscale(100%) brightness(200%); }
.btn-link { color: var(--text-secondary); text-decoration: none; }
.btn-link:hover { color: var(--text-primary); }

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #818cf8 100%);
    border: none;
    color: white;
}
.btn-primary:hover {
    background: linear-gradient(135deg, #818cf8 0%, #a5b4fc 100%);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-secondary { background: var(--bg-elevated); border-color: var(--border-color); color: var(--text-secondary); }
.btn-secondary:hover { background: var(--bg-card-hover); border-color: var(--border-color); color: var(--text-primary); }
.btn-outline-secondary { border-color: var(--border-color); color: var(--text-secondary); }
.btn-outline-secondary:hover { background: var(--bg-card-hover); border-color: rgba(255,255,255,0.12); color: var(--text-primary); }

.form-check-input { background-color: var(--bg-input); border-color: rgba(255,255,255,0.12); }
.form-check-input:checked { background-color: var(--primary); border-color: var(--primary); }

.progress { background-color: var(--bg-surface); }

/* ══════════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
    .sidebar { width: var(--sidebar-collapsed-width); }
    .sidebar .sidebar-header span, .sidebar-nav-link span, .sidebar-section-label, .sidebar-user-info { display: none; }
    .sidebar-header { justify-content: center; padding: var(--space-md) var(--space-sm); }
    .sidebar-nav-link { justify-content: center; padding: 0.75rem var(--space-sm); margin: 1px 4px; }
    .sidebar-nav-link.active::before { left: -4px; }
    .sidebar-nav-icon { margin-right: 0; font-size: 1.125rem; }
    .sidebar-user { justify-content: center; padding: var(--space-md) var(--space-sm); }
    .header { left: var(--sidebar-collapsed-width); }
    .main-content { margin-left: var(--sidebar-collapsed-width); }
    .header-actions .btn .btn-text { display: none; }
}

@media (max-width: 768px) {
    .sidebar { width: var(--sidebar-width); transform: translateX(-100%); }
    .sidebar .sidebar-header span, .sidebar-nav-link span, .sidebar-section-label, .sidebar-user-info { display: block; }
    .sidebar-nav-link { justify-content: flex-start; padding: 0.5rem 0.75rem 0.5rem var(--space-lg); margin: 1px 8px; }
    .sidebar-nav-icon { margin-right: 0.7rem; font-size: 0.9375rem; }
    .sidebar.open { transform: translateX(0); }
    .header { left: 0; padding: 0 var(--space-sm); }
    .header-hamburger { display: flex; }
    .header-search { max-width: none; margin-right: 0; }
    .header-search input { font-size: 0.8125rem; padding: 0.375rem 0.75rem 0.375rem 2rem; }
    .header-actions .btn .btn-text { display: none; }
    .header-actions .btn { padding: 0.375rem 0.5rem; }
    .main-content { margin-left: 0; padding: var(--space-md) var(--space-sm); padding-bottom: calc(var(--bottom-nav-height) + var(--space-md)); }
    .bottom-nav { display: block; }
    .slide-over { width: 100%; }
    .kanban-board { scroll-snap-type: x mandatory; }
    .kanban-column { min-width: 75vw; max-width: 85vw; height: auto; min-height: 300px; scroll-snap-align: center; }
    .toast-container { left: var(--space-sm); right: var(--space-sm); top: calc(var(--header-height) + var(--space-sm)); }
    .toast { min-width: auto; width: 100%; }
}

@media (max-width: 576px) {
    .table-sm { font-size: 0.6875rem; }
    .table-sm td, .table-sm th { padding: 0.3rem 0.375rem; }
    .kpi-card .card-body { padding: 0.375rem !important; }
    .kpi-card .card-body h6 { font-size: 1.125rem; }
    .kpi-card .card-body small { font-size: 0.625rem; }
    .main-content { padding: var(--space-sm); padding-bottom: calc(var(--bottom-nav-height) + var(--space-sm)); }
}

@media (pointer: coarse) {
    .btn { min-height: 44px; }
    .form-control, .form-select { min-height: 44px; }
    .sidebar-nav-link { min-height: 48px; }
    .dropdown-item { padding: 0.625rem 1rem; }
}