/* ═══════════════════════════════════════════════════════
   Sage & Stone — Design System
   Verde sálvia sobrio + carvão quente
   ═══════════════════════════════════════════════════════ */

:root {
    /* --- Colors - Dark (default) --- */
    --bg-deep: #1a1d21;
    --bg-surface: #22262c;
    --bg-surface-solid: #22262c;
    --bg-elevated: #2a2e35;
    --card-bg: #22262c;
    --card-border: rgba(255, 255, 255, 0.06);
    --card-glow: transparent;

    /* --- Gradients (solid fallback, used as single colors) --- */
    --gradient-brand: #7c9a6e;
    --gradient-success: #7c9a6e;
    --gradient-danger: #e57373;
    --gradient-gold: #b8962e;

    /* --- Text --- */
    --text-primary: #e8e6e1;
    --text-secondary: #a8a29e;
    --text-muted: #78716c;
    --text-accent: #7c9a6e;
    --text-main: #e8e6e1;
    --text-main-rgb: 232, 230, 225;

    /* --- Brand --- */
    --primary-brand: #7c9a6e;
    --primary-purple: #7c9a6e;       /* compat alias */
    --accent-brand: #6b8a5e;
    --accent-purple: #7c9a6e;         /* compat alias */

    /* --- Gold accent (used sparingly) --- */
    --gold: #b8962e;
    --gold-light: #d4a017;

    /* --- Functional --- */
    --success: #5fa86e;
    --danger: #e57373;
    --warning: #d4a017;
    --info: #6ba3c7;
    --border: rgba(255, 255, 255, 0.08);
    --input-bg: #2a2e35;
    --navbar-bg: #1a1d21;
    --sidebar-width: 200px;
    --sidebar-collapsed-width: 60px;
    --shadow: rgba(0, 0, 0, 0.15);

    /* --- Brand RGB (for rgba usage) --- */
    --brand-rgb: 124, 154, 110;
    --danger-rgb: 229, 115, 115;
    --warning-rgb: 212, 160, 23;

    /* --- Status colors (Dark) --- */
    --status-vacation: #3b82f6;
    --status-vacation-rgb: 59, 130, 246;
    --status-holiday: #b45309;
    --status-holiday-rgb: 245, 158, 11;
    --status-off: #6b7280;
    --status-off-rgb: 107, 114, 128;
    --status-remote: #94a3b8;
    --status-remote-rgb: 148, 163, 184;
    --status-sick: #dc2626;
    --status-sick-rgb: 239, 68, 68;
    --status-parental: #db2777;
    --status-parental-rgb: 236, 72, 153;
    --status-training: #0284c7;
    --status-training-rgb: 14, 165, 233;
    --status-bereavement: #475569;
    --status-bereavement-rgb: 71, 85, 105;
    --status-marriage: #e11d48;
    --status-marriage-rgb: 244, 63, 94;

    /* --- Glows (removed) --- */
    --glow-brand: none;
    --glow-success: none;
    --glow-gold: none;

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

    /* --- Radius (reduced for sobriety) --- */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;

    /* --- Transitions --- */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-bs-theme="light"] {
    /* --- Colors - Light --- */
    --bg-deep: #f7f6f3;
    --bg-surface: #ffffff;
    --bg-surface-solid: #ffffff;
    --bg-elevated: #f0efec;
    --card-bg: #ffffff;
    --card-border: rgba(0, 0, 0, 0.08);
    --card-glow: transparent;

    /* --- Gradients (solid) --- */
    --gradient-brand: #5d7a4f;
    --gradient-success: #5d7a4f;
    --gradient-danger: #dc2626;
    --gradient-gold: #9a7b28;

    /* --- Text --- */
    --text-primary: #1a1d21;
    --text-secondary: #57534e;
    --text-muted: #8c8578;
    --text-accent: #5d7a4f;
    --text-main: #1a1d21;
    --text-main-rgb: 26, 29, 33;

    /* --- Brand --- */
    --primary-brand: #5d7a4f;
    --primary-purple: #5d7a4f;
    --accent-brand: #4d6a3f;
    --accent-purple: #5d7a4f;

    /* --- Gold --- */
    --gold: #9a7b28;
    --gold-light: #b8962e;

    /* --- Functional --- */
    --success: #4a8c5c;
    --danger: #dc2626;
    --warning: #b8962e;
    --info: #3b82f6;
    --border: rgba(0, 0, 0, 0.08);
    --input-bg: #ffffff;
    --navbar-bg: #ffffff;
    --shadow: rgba(0, 0, 0, 0.05);

    /* --- Brand RGB (for rgba usage) --- */
    --brand-rgb: 93, 122, 79;
    --danger-rgb: 220, 38, 38;
    --warning-rgb: 184, 150, 46;

    /* --- Status colors (Light — same hues, text stays, bg slightly different) --- */
    --status-vacation: #3b82f6;
    --status-vacation-rgb: 59, 130, 246;
    --status-holiday: #b45309;
    --status-holiday-rgb: 245, 158, 11;
    --status-off: #6b7280;
    --status-off-rgb: 107, 114, 128;
    --status-remote: #94a3b8;
    --status-remote-rgb: 148, 163, 184;
    --status-sick: #dc2626;
    --status-sick-rgb: 239, 68, 68;
    --status-parental: #db2777;
    --status-parental-rgb: 236, 72, 153;
    --status-training: #0284c7;
    --status-training-rgb: 14, 165, 233;
    --status-bereavement: #475569;
    --status-bereavement-rgb: 71, 85, 105;
    --status-marriage: #e11d48;
    --status-marriage-rgb: 244, 63, 94;

    /* --- Glows (removed) --- */
    --glow-brand: none;
    --glow-success: none;
    --glow-gold: none;
}

/* ─── Base ─── */
body {
    background-color: var(--bg-deep);
    color: var(--text-main);
    font-family: 'Inter', 'Sora', sans-serif;
    margin: 0;
    padding: 0;
    transition: background-color var(--transition-slow), color var(--transition-slow);
}
h1, h2, h3, h4, h5 {
    font-family: 'DM Sans', 'Sora', sans-serif;
    font-weight: 700;
    color: var(--text-main);
}
.x-small, .badge {
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.02em;
}

/* ─── Cards ─── */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    box-shadow: 0 1px 3px var(--shadow);
    transition: background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}
.card:hover {
    box-shadow: 0 4px 12px var(--shadow);
}

/* ═══════════════════════════════════════════════════════
   Sidebar — Sage & Stone
   ═══════════════════════════════════════════════════════ */

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--navbar-bg);
    border-right: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    z-index: 1040;
    transition: width var(--transition-base);
    overflow: hidden;
}
.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

/* --- Sidebar header (logo + toggle) --- */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    min-height: 56px;
    border-bottom: 1px solid var(--border);
    gap: 8px;
}
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-main);
    min-width: 0;
    flex: 1;
    overflow: hidden;
}
.sidebar-logo {
    width: 28px;
    height: 28px;
    filter: grayscale(100%) brightness(0.85);
    flex-shrink: 0;
    transition: filter var(--transition-fast);
}
[data-bs-theme="light"] .sidebar-logo {
    filter: grayscale(100%) brightness(0.4);
}
.sidebar-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    overflow: hidden;
    white-space: nowrap;
    transition: opacity var(--transition-fast), width var(--transition-base);
}
.sidebar.collapsed .sidebar-brand-text {
    opacity: 0;
    width: 0;
    overflow: hidden;
}
.sidebar-brand-name {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}
.sidebar-brand-sub {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* --- Toggle button --- */
.sidebar-toggle-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    width: 28px;
    height: 28px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
    padding: 0;
    font-size: 0.75rem;
}
.sidebar-toggle-btn:hover {
    background: var(--bg-elevated);
    color: var(--primary-brand);
    border-color: var(--primary-brand);
}
.sidebar.collapsed .sidebar-toggle-btn i {
    transform: rotate(180deg);
}

/* --- Navigation list --- */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 8px 0;
}
.sidebar-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.sidebar-nav-item {
    margin: 2px 8px;
}
.sidebar-nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
    white-space: nowrap;
    overflow: hidden;
}
.sidebar-nav-link i {
    width: 20px;
    text-align: center;
    font-size: 0.95rem;
    flex-shrink: 0;
}
.sidebar-nav-link:hover {
    background: var(--bg-elevated);
    color: var(--text-main);
}
.sidebar-nav-link--active {
    color: var(--primary-brand);
    background: rgba(var(--brand-rgb), 0.08);
    font-weight: 600;
}
.sidebar:not(.collapsed) .sidebar-nav-link--active {
    border-left: 3px solid var(--primary-brand);
    padding-left: 9px;
}
.sidebar-nav-link--admin {
    color: var(--text-accent);
}
.sidebar-nav-link--danger {
    color: var(--danger);
}
.sidebar-nav-link--danger:hover {
    background: rgba(var(--danger-rgb), 0.08);
    color: var(--danger);
}

/* Collapsed: center icons, hide labels */
.sidebar.collapsed .sidebar-nav-link {
    justify-content: center;
    padding: 9px 0;
    gap: 0;
}
.sidebar.collapsed .sidebar-nav-link i {
    font-size: 1.05rem;
}
.sidebar.collapsed .sidebar-nav-link--active {
    border-left: none;
    border-radius: 8px;
    background: rgba(var(--brand-rgb), 0.12);
}
.sidebar-nav-label {
    transition: opacity var(--transition-fast), width var(--transition-base);
}
.sidebar.collapsed .sidebar-nav-label {
    opacity: 0;
    width: 0;
    overflow: hidden;
    display: none;
}

/* Collapsed tooltips (CSS-only) */
.sidebar.collapsed .sidebar-nav-link[title]:hover::after {
    content: attr(title);
    position: absolute;
    left: calc(100% + 8px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-surface-solid);
    color: var(--text-main);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
    box-shadow: 0 4px 12px var(--shadow);
    border: 1px solid var(--border);
    z-index: 1060;
    pointer-events: none;
}

/* --- Sidebar footer (theme, user, logout) --- */
.sidebar-footer {
    border-top: 1px solid var(--border);
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.sidebar-theme-toggle,
.sidebar-logout {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    background: transparent;
    border: none;
    cursor: pointer;
    width: 100%;
    text-align: left;
    white-space: nowrap;
}
.sidebar-theme-toggle:hover,
.sidebar-logout:hover {
    background: var(--bg-elevated);
    color: var(--text-main);
}
.sidebar-theme-toggle i,
.sidebar-logout i {
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}
.sidebar.collapsed .sidebar-theme-toggle,
.sidebar.collapsed .sidebar-logout {
    justify-content: center;
    padding: 8px 0;
}
.sidebar.collapsed .sidebar-theme-toggle .sidebar-nav-label,
.sidebar.collapsed .sidebar-logout .sidebar-nav-label,
.sidebar.collapsed .sidebar-user .sidebar-nav-label {
    display: none;
}
.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    color: var(--text-muted);
    font-size: 0.82rem;
    white-space: nowrap;
}
.sidebar-user i {
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}
.sidebar.collapsed .sidebar-user {
    justify-content: center;
    padding: 8px 0;
}

/* --- Main content offset --- */
.main-content--with-sidebar {
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-base);
    min-height: 100vh;
    padding: 0 1.5rem;
    overflow-x: hidden;
}
.main-content--full {
    min-height: 100vh;
    padding: 0 1rem;
}
.sidebar.collapsed ~ .main-content--with-sidebar,
.main-content--with-sidebar.sidebar-collapsed {
    margin-left: var(--sidebar-collapsed-width);
}

/* --- Mobile hamburger --- */
.mobile-menu-btn {
    display: none;
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 1050;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--bg-surface-solid);
    border: 1px solid var(--border);
    color: var(--text-main);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    box-shadow: 0 2px 8px var(--shadow);
}
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1035;
    transition: opacity var(--transition-base);
}
.sidebar-overlay.active {
    display: block;
}

/* --- Mobile responsive --- */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width) !important;
        transition: transform var(--transition-base);
    }
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    .sidebar.collapsed {
        width: var(--sidebar-width) !important;
    }
    .sidebar.collapsed .sidebar-brand-text,
    .sidebar.collapsed .sidebar-nav-label {
        opacity: 1;
        width: auto;
        display: inline;
    }
    .sidebar.collapsed .sidebar-nav-link {
        justify-content: flex-start;
        padding: 9px 12px;
        gap: 10px;
    }
    .sidebar.collapsed .sidebar-nav-link--active {
        border-left: 3px solid var(--primary-brand);
        padding-left: 9px;
    }
    .sidebar.collapsed .sidebar-toggle-btn i {
        transform: none;
    }
    .main-content--with-sidebar {
        margin-left: 0 !important;
    }
    .mobile-menu-btn {
        display: flex;
    }
    body.has-sidebar {
        padding-top: 56px;
    }
}
@media (max-width: 575.98px) {
    .sidebar {
        width: 260px !important;
    }
    .main-content--with-sidebar {
        padding: 0 0.5rem;
    }
}

/* ─── Typography ─── */
p, td, th { color: var(--text-main); }
.text-muted { color: var(--text-muted) !important; }
.text-brand { color: var(--accent-brand) !important; }

/* ─── Alerts ─── */
.alert b, .alert strong, .alert p, .alert li { color: inherit !important; }

/* ─── Inputs ─── */
.form-control, .form-select {
    background-color: var(--input-bg) !important;
    color: var(--text-main) !important;
    border-color: var(--border) !important;
    border-radius: var(--radius-sm);
}
.form-control:focus {
    border-color: var(--primary-brand) !important;
    box-shadow: 0 0 0 3px rgba(var(--brand-rgb), 0.15);
}

/* ─── Form controls (checkboxes, switches, radios) ─── */
.form-check-input:checked {
    background-color: var(--primary-brand) !important;
    border-color: var(--primary-brand) !important;
}
.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(var(--brand-rgb), 0.15);
    border-color: var(--primary-brand) !important;
}
.form-switch .form-check-input:checked {
    background-color: var(--primary-brand) !important;
    border-color: var(--primary-brand) !important;
}

/* ─── Buttons (solid, no gradients) ─── */
.btn-purple {
    background: var(--primary-brand);
    color: white !important;
    font-weight: 600;
    border-radius: var(--radius-sm);
    padding: 10px 20px;
    border: none;
    transition: all var(--transition-fast);
}
.btn-purple:hover {
    filter: brightness(0.9);
    color: white !important;
}

.btn-brand {
    background: var(--primary-brand);
    color: white !important;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    transition: all var(--transition-fast);
}
.btn-brand:hover {
    filter: brightness(0.9);
    color: white !important;
}
.btn-outline-brand {
    border-color: var(--primary-brand) !important;
    color: var(--primary-brand) !important;
}
.btn-outline-brand:hover {
    background-color: var(--primary-brand) !important;
    color: white !important;
}

.btn-gold {
    background: var(--gold);
    color: #1a1a1a !important;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    transition: all var(--transition-fast);
}
.btn-gold:hover {
    filter: brightness(0.9);
}

.btn-outline-light {
    border-color: var(--border);
    color: var(--text-main) !important;
}
.btn-outline-light:hover {
    background-color: var(--border);
    color: var(--primary-brand) !important;
}

/* ─── Bootstrap overrides ─── */
.btn-primary {
    background: var(--primary-brand) !important;
    border: none !important;
    color: white !important;
}
.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
    filter: brightness(0.9) !important;
    color: white !important;
}
.btn-outline-primary {
    border-color: var(--primary-brand) !important;
    color: var(--primary-brand) !important;
}
.btn-outline-primary:hover {
    background-color: var(--primary-brand) !important;
    color: white !important;
}
.btn-outline-info {
    border-color: var(--primary-brand) !important;
    color: var(--primary-brand) !important;
}
.btn-outline-info:hover {
    background-color: var(--primary-brand) !important;
    color: white !important;
}
.btn-info {
    background-color: var(--primary-brand) !important;
    border-color: var(--primary-brand) !important;
    color: white !important;
}
.btn-danger {
    background: var(--danger) !important;
    border: none !important;
    color: white !important;
}
.btn-danger:hover {
    filter: brightness(0.9) !important;
}
.btn-success {
    background: var(--primary-brand) !important;
    border: none !important;
    color: white !important;
}
.btn-success:hover {
    filter: brightness(0.9) !important;
}
.btn-outline-success {
    border-color: var(--primary-brand) !important;
    color: var(--primary-brand) !important;
}
.btn-outline-success:hover {
    background-color: var(--primary-brand) !important;
    color: white !important;
}
.btn-warning {
    background: var(--warning) !important;
    border: none !important;
    color: #1a1d21 !important;
}
.btn-warning:hover {
    filter: brightness(0.9) !important;
}
.btn-outline-warning {
    border-color: var(--warning) !important;
    color: var(--warning) !important;
}
.btn-outline-warning:hover {
    background-color: var(--warning) !important;
    color: #1a1d21 !important;
}
.text-primary { color: var(--primary-brand) !important; }
.text-success { color: var(--success) !important; }
.text-info { color: var(--info) !important; }
.text-warning { color: var(--warning) !important; }
.border-primary { border-color: var(--primary-brand) !important; }
.border-success { border-color: var(--success) !important; }
.border-info { border-color: var(--info) !important; }
.bg-primary { background-color: var(--primary-brand) !important; }

/* ─── Tables ─── */
.table { color: var(--text-main); border-color: var(--border); }
.table thead th {
    background-color: var(--bg-elevated);
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border: none;
}

/* ─── Dropdowns (shared) ─── */
.dropdown-menu {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    box-shadow: 0 4px 16px var(--shadow);
}
.dropdown-item {
    color: var(--text-main);
    font-weight: 400;
}
.dropdown-item:hover {
    background-color: var(--border);
    color: var(--primary-brand);
}

/* ─── Dynamic utilities ─── */
.dynamic-bg { background-color: var(--card-bg) !important; color: var(--text-main) !important; }
.dynamic-text { color: var(--text-main) !important; }

/* ─── Bootstrap hardcoded overrides ─── */
.bg-dark, .bg-transparent { background-color: var(--card-bg) !important; }
.text-white, .text-light { color: var(--text-main) !important; }
.border-secondary { border-color: var(--border) !important; }
.table-dark { --bs-table-bg: var(--bg-surface-solid); --bs-table-color: var(--text-main); --bs-table-border-color: var(--border); }

/* ─── White text on colored backgrounds ─── */
.btn .dynamic-text, .btn-purple, .badge.bg-success, .badge.bg-danger { color: #ffffff !important; }
.btn-brand, .btn-info, .btn-primary, .btn-secondary, .btn-danger, .btn-success { color: #ffffff !important; }
.badge.bg-warning { color: #212529 !important; }
.badge.bg-info { color: #ffffff !important; }

/* ─── Badges ─── */
.badge { font-weight: 600; padding: 0.5em 1em; }
.bg-success { background-color: var(--success) !important; color: white !important; }
.bg-danger { background-color: var(--danger) !important; color: white !important; }
.badge.bg-dark { background-color: var(--border) !important; color: var(--text-main) !important; }

/* ─── Brand utilities ─── */
.bg-purple { background: var(--primary-brand) !important; color: white !important; }
.bg-brand { background-color: var(--primary-brand) !important; color: white !important; }
.text-purple { color: var(--primary-brand) !important; }
.text-brand { color: var(--primary-brand) !important; }
.border-purple { border-color: var(--primary-brand) !important; }
.border-brand { border-color: var(--primary-brand) !important; }

/* ─── Gold accent utilities ─── */
.text-gold { color: var(--gold) !important; }
.bg-gold { background: var(--gold) !important; color: #1a1a1a !important; }

/* ─── Misc utilities ─── */
.text-nowrap-money { white-space: nowrap !important; }
.x-small { font-size: 0.75rem; }
.italic { font-style: italic; }
.border-dashed { border-style: dashed !important; border-width: 2px !important; }
.uppercase { text-transform: uppercase; letter-spacing: 0.5px; }
.btn-xs { padding: 2px 8px; font-size: 0.7rem; }
.animate-pulse { animation: pulse 2s infinite; }
@keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.6; } 100% { opacity: 1; } }

/* ─── Content width utilities ─── */
.content-narrow { max-width: 800px; margin: 0 auto; }
.content-form { max-width: 500px; margin: 0 auto; }

/* ─── Skip-link (accessibility) ─── */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--primary-brand);
    color: #fff;
    padding: 0.5rem 1rem;
    z-index: 9999;
    font-weight: 600;
    border-radius: 0 0 var(--radius-sm) 0;
    transition: top var(--transition-fast);
}
.skip-link:focus {
    top: 0;
}

/* ─── Nav pills ─── */
.nav-pills .nav-link { color: var(--text-muted); transition: all var(--transition-base); border-bottom: 3px solid transparent; }
.nav-pills .nav-link.active { background-color: rgba(var(--brand-rgb), 0.08) !important; color: var(--primary-brand) !important; border-bottom: 3px solid var(--primary-brand); }

/* ─── Micro-animations ─── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp 0.3s ease-out both; }
.animate-in:nth-child(2) { animation-delay: 0.04s; }
.animate-in:nth-child(3) { animation-delay: 0.08s; }
.animate-in:nth-child(4) { animation-delay: 0.12s; }
.animate-in:nth-child(5) { animation-delay: 0.16s; }
.animate-in:nth-child(6) { animation-delay: 0.2s; }

/* ─── Custom scrollbar ─── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-brand); }

/* ─── Mobile-first adjustments ─── */
@media (max-width: 576px) {
    :root {
        --radius-md: 8px;
        --radius-lg: 12px;
    }
    .card { margin-bottom: var(--space-sm); }
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    h3 { font-size: 1.1rem; }
}

@media (max-width: 768px) {
    .container { padding-left: 0.75rem; padding-right: 0.75rem; }
}

/* ─── Smooth theme transition ─── */
*, *::before, *::after {
    transition-property: background-color, border-color, box-shadow, color;
    transition-duration: 0s;
}
[data-bs-theme].theme-transitioning,
[data-bs-theme].theme-transitioning *,
[data-bs-theme].theme-transitioning *::before,
[data-bs-theme].theme-transitioning *::after {
    transition-duration: 0.3s !important;
}