/* ==========================================================================
   DeskDialog Service Hub — Application Design System
   Layered on top of Bootstrap 5. Colour tokens (--bs-primary etc.) are
   injected per-tenant from settings in the page <head>; everything here
   derives from them so theme customisation keeps working.
   ========================================================================== */

:root {
    /* Typography */
    --app-font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --app-font-display: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

    /* Neutral slate surface palette */
    --app-bg: #f5f7fb;
    --app-surface: #ffffff;
    --app-surface-muted: #f8fafc;
    --app-border: #e6eaf0;
    --app-border-strong: #d7dde7;
    --app-heading: #0f172a;
    --app-text: #334155;
    --app-muted: #64748b;

    /* Sidebar */
    --app-sidebar-bg: #0f172a;
    --app-sidebar-bg-2: #111c33;
    --app-sidebar-link: rgba(226, 232, 240, 0.72);
    --app-sidebar-link-hover: #ffffff;

    /* Elevation — soft, layered */
    --app-shadow-xs: 0 1px 2px rgba(16, 24, 40, 0.05);
    --app-shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.09);
    --app-shadow-md: 0 2px 6px rgba(16, 24, 40, 0.06), 0 8px 20px rgba(16, 24, 40, 0.08);
    --app-shadow-lg: 0 16px 40px rgba(16, 24, 40, 0.14);

    /* Radii */
    --app-radius-sm: 8px;
    --app-radius: 12px;
    --app-radius-lg: 16px;

    --bs-body-font-family: var(--app-font-sans);
    --bs-body-color: var(--app-text);
    --bs-border-radius: var(--app-radius-sm);
    --bs-link-color: var(--bs-primary);
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
body {
    font-family: var(--app-font-sans);
    background-color: var(--app-bg);
    color: var(--app-text);
    font-size: 0.9375rem;
    line-height: 1.6;
    letter-spacing: -0.006em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: var(--app-font-display);
    color: var(--app-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Tabular figures for anything numeric-heavy */
.table, .stat-card, .badge, .font-monospace, th, td {
    font-variant-numeric: tabular-nums;
}

a {
    text-decoration: none;
}
a:hover {
    text-decoration: none;
}

.text-muted {
    color: var(--app-muted) !important;
}

::selection {
    background: color-mix(in srgb, var(--bs-primary) 22%, transparent);
}

/* --------------------------------------------------------------------------
   Top navbar
   -------------------------------------------------------------------------- */
.navbar {
    /* subtle sheen layered over the tenant primary colour set inline */
    background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(0, 0, 0, 0.06));
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08) inset, 0 4px 16px rgba(16, 24, 40, 0.12);
    padding-top: 0.55rem;
    padding-bottom: 0.55rem;
}

.navbar-brand {
    font-family: var(--app-font-display);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.navbar .nav-link {
    border-radius: var(--app-radius-sm);
    transition: background-color 0.18s ease;
}
.navbar .nav-link:hover {
    background: rgba(255, 255, 255, 0.12);
}

.navbar .dropdown-menu {
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius);
    box-shadow: var(--app-shadow-lg);
    padding: 0.4rem;
    margin-top: 0.5rem !important;
}

/* --------------------------------------------------------------------------
   Sidebar
   -------------------------------------------------------------------------- */
.sidebar {
    min-height: calc(100vh - 56px);
    background: linear-gradient(185deg, var(--app-sidebar-bg-2) 0%, var(--app-sidebar-bg) 60%);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, 0.2);
}

.sidebar .nav-link {
    color: var(--app-sidebar-link);
    padding: 0.5rem 0.7rem;
    border-radius: var(--app-radius-sm);
    margin: 0.12rem 0.35rem;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    position: relative;
    transition: color 0.18s ease, background-color 0.18s ease;
}

.sidebar .nav-link:hover {
    color: var(--app-sidebar-link-hover);
    background: rgba(255, 255, 255, 0.07);
}

.sidebar .nav-link.active {
    color: #fff;
    font-weight: 600;
    background: linear-gradient(180deg,
        color-mix(in srgb, var(--bs-primary) 92%, white),
        var(--bs-primary));
    box-shadow: 0 6px 16px color-mix(in srgb, var(--bs-primary) 40%, transparent);
}

/* Accent rail on the active item */
.sidebar .nav-link.active::before {
    content: "";
    position: absolute;
    left: -0.35rem;
    top: 18%;
    bottom: 18%;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: #fff;
    opacity: 0.9;
}

.sidebar .nav-link i {
    width: 22px;
    margin-right: 8px;
    font-size: 1rem;
    text-align: center;
    opacity: 0.9;
}

.sidebar .nav-section-label {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: rgba(148, 163, 184, 0.65);
    padding: 0.75rem 0.8rem 0.3rem;
    margin-top: 0.5rem;
    font-weight: 700;
}

/* Slim custom scrollbar inside the sidebar */
.sidebar {
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
}
.sidebar::-webkit-scrollbar { width: 7px; }
.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.16);
    border-radius: 4px;
}

/* --------------------------------------------------------------------------
   Content area
   -------------------------------------------------------------------------- */
.main-content {
    padding: 1.75rem 1.85rem;
}

.main-content > h1:first-child,
.main-content .page-title {
    letter-spacing: -0.025em;
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
    border: 1px solid var(--app-border);
    background: var(--app-surface);
    box-shadow: var(--app-shadow-sm);
    border-radius: var(--app-radius);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--app-border);
    font-family: var(--app-font-display);
    font-weight: 600;
    letter-spacing: -0.01em;
    padding: 1rem 1.15rem;
}

.card-body {
    padding: 1.15rem 1.25rem;
}

.card-title {
    font-family: var(--app-font-display);
    font-weight: 700;
}

/* Interactive lift for stat / hover cards */
.stat-card,
.card.hover-lift {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.stat-card:hover,
.card.hover-lift:hover {
    transform: translateY(-3px);
    box-shadow: var(--app-shadow-md);
}

/* Richer solid tone cards (dashboard/stat tiles) */
.card.bg-primary,
.card.bg-success,
.card.bg-danger,
.card.bg-warning,
.card.bg-info,
.card.bg-secondary {
    border: none;
    box-shadow: var(--app-shadow-sm);
    position: relative;
    overflow: hidden;
}
.card.bg-primary { background-image: linear-gradient(135deg, color-mix(in srgb, var(--bs-primary) 88%, white), var(--bs-primary)) !important; }
.card.bg-success { background-image: linear-gradient(135deg, color-mix(in srgb, var(--bs-success) 88%, white), var(--bs-success)) !important; }
.card.bg-danger  { background-image: linear-gradient(135deg, color-mix(in srgb, var(--bs-danger) 88%, white), var(--bs-danger)) !important; }
.card.bg-info    { background-image: linear-gradient(135deg, color-mix(in srgb, var(--bs-info) 88%, white), var(--bs-info)) !important; }
.card.bg-secondary { background-image: linear-gradient(135deg, color-mix(in srgb, var(--bs-secondary) 88%, white), var(--bs-secondary)) !important; }
.card.bg-warning { background-image: linear-gradient(135deg, color-mix(in srgb, var(--bs-warning) 90%, white), var(--bs-warning)) !important; }

.card[class*="bg-"] h1,
.card[class*="bg-"] h2,
.card[class*="bg-"] h3,
.card[class*="bg-"] h4 {
    color: inherit;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    font-weight: 600;
    letter-spacing: -0.01em;
    border-radius: var(--app-radius-sm);
    padding: 0.5rem 1rem;
    transition: transform 0.12s ease, box-shadow 0.16s ease, background-color 0.16s ease, filter 0.16s ease;
}
.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
    box-shadow: 0 2px 6px color-mix(in srgb, var(--bs-primary) 35%, transparent);
}
.btn-primary:hover,
.btn-primary:focus {
    background-color: color-mix(in srgb, var(--bs-primary) 90%, black);
    border-color: color-mix(in srgb, var(--bs-primary) 90%, black);
    box-shadow: 0 4px 14px color-mix(in srgb, var(--bs-primary) 42%, transparent);
    transform: translateY(-1px);
}

.btn-outline-primary {
    color: var(--bs-primary);
    border-color: color-mix(in srgb, var(--bs-primary) 45%, var(--app-border));
}
.btn-outline-primary:hover {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.3rem 0.65rem;
    border-radius: 7px;
}

.btn-secondary {
    background-color: #64748b;
    border-color: #64748b;
}

/* Focus rings — consistent, accessible */
.btn:focus-visible,
.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    box-shadow: 0 0 0 0.22rem color-mix(in srgb, var(--bs-primary) 25%, transparent) !important;
    border-color: color-mix(in srgb, var(--bs-primary) 55%, var(--app-border-strong));
    outline: none;
}

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */
.form-label {
    font-weight: 600;
    font-size: 0.82rem;
    margin-bottom: 0.35rem;
    color: var(--app-heading);
    letter-spacing: -0.01em;
}

.form-control,
.form-select {
    border-color: var(--app-border-strong);
    border-radius: var(--app-radius-sm);
    padding: 0.5rem 0.8rem;
    color: var(--app-text);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-control::placeholder {
    color: #94a3b8;
}

.input-group-text {
    background: var(--app-surface-muted);
    border-color: var(--app-border-strong);
    color: var(--app-muted);
}

/* --------------------------------------------------------------------------
   Tables
   -------------------------------------------------------------------------- */
.table {
    --bs-table-hover-bg: color-mix(in srgb, var(--bs-primary) 6%, var(--app-surface));
    color: var(--app-text);
    margin-bottom: 0;
}

.table > thead th {
    font-family: var(--app-font-sans);
    font-weight: 600;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--app-muted);
    background: var(--app-surface-muted);
    border-top: none;
    border-bottom: 1px solid var(--app-border);
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
    white-space: nowrap;
}

.table > tbody > tr {
    border-color: var(--app-border);
}
.table > tbody > tr:last-child > * {
    border-bottom: 0;
}

.table > tbody td {
    padding-top: 0.8rem;
    padding-bottom: 0.8rem;
    vertical-align: middle;
}

.table-hover > tbody > tr {
    transition: background-color 0.12s ease;
}

/* --------------------------------------------------------------------------
   Badges
   -------------------------------------------------------------------------- */
.badge {
    font-weight: 600;
    font-size: 0.72rem;
    letter-spacing: 0.01em;
    padding: 0.4em 0.7em;
    border-radius: 6px;
}
.badge.rounded-pill {
    border-radius: 50rem;
}

/* --------------------------------------------------------------------------
   Alerts
   -------------------------------------------------------------------------- */
.alert {
    border: 1px solid transparent;
    border-radius: var(--app-radius);
    box-shadow: var(--app-shadow-xs);
    padding: 0.9rem 1.1rem;
}
.alert-success { background: #ecfdf5; border-color: #b6f0d5; color: #0f5132; }
.alert-danger  { background: #fef2f2; border-color: #f7c9c9; color: #842029; }
.alert-warning { background: #fffbeb; border-color: #f6e0a6; color: #664d03; }
.alert-info    { background: #eff6ff; border-color: #c2ddff; color: #084298; }

/* --------------------------------------------------------------------------
   Modals & dropdowns
   -------------------------------------------------------------------------- */
.modal-content {
    border: none;
    border-radius: var(--app-radius-lg);
    box-shadow: var(--app-shadow-lg);
    overflow: hidden;
}
.modal-header {
    padding: 1.1rem 1.35rem;
}
.modal-header .modal-title {
    font-family: var(--app-font-display);
    font-weight: 700;
}
.modal-body { padding: 1.35rem; }
.modal-footer { padding: 0.9rem 1.35rem; border-top: 1px solid var(--app-border); }

.dropdown-menu {
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius);
    box-shadow: var(--app-shadow-lg);
    padding: 0.35rem;
    font-size: 0.9rem;
}
.dropdown-item {
    border-radius: var(--app-radius-sm);
    padding: 0.5rem 0.7rem;
    font-weight: 500;
}
.dropdown-item:hover {
    background: color-mix(in srgb, var(--bs-primary) 10%, var(--app-surface));
    color: var(--app-heading);
}
.dropdown-item.text-danger:hover {
    background: #fef2f2;
    color: #b02a37;
}

/* --------------------------------------------------------------------------
   List groups & misc
   -------------------------------------------------------------------------- */
.list-group-item {
    border-color: var(--app-border);
}
.list-group-item-action:hover {
    background: var(--app-surface-muted);
}

hr {
    border-color: var(--app-border);
    opacity: 1;
}

code {
    background: color-mix(in srgb, var(--bs-primary) 8%, var(--app-surface-muted));
    color: color-mix(in srgb, var(--bs-primary) 70%, black);
    padding: 0.12em 0.4em;
    border-radius: 5px;
    font-size: 0.86em;
}

/* Footer already dark-themed in template; just soften links */
.gt-footer a { transition: color 0.15s ease, opacity 0.15s ease; }

/* --------------------------------------------------------------------------
   Responsive sidebar (moved from inline template styles)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    .main-content { padding: 1.15rem 1rem; }

    .sidebar {
        position: fixed;
        z-index: 1050;
        width: 232px;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    .sidebar.show {
        transform: translateX(0);
        box-shadow: 0 0 40px rgba(0, 0, 0, 0.4);
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(15, 23, 42, 0.55);
        backdrop-filter: blur(2px);
        z-index: 1040;
    }
    .sidebar-overlay.show { display: block; }
}