/*
  Dark theme adapted from the ContactPro reference project (React/Tailwind)
  onto SIMRS's server-rendered Bootstrap 5.3 stack. Bootstrap's own
  data-bs-theme="dark"/"light" (set on <html> in layout.html, toggle button
  in the topbar flips it via simrs-theme.js) already themes every native
  component (tables, forms, modals, dropdowns, alerts, badges) across all
  business modules' existing templates for free - the blocks below just
  define ContactPro's slate+blue palette (and a light counterpart) as CSS
  custom properties that both Bootstrap's own variables and the bespoke
  classes further down (sidebar, hero banner, stat cards) read from, so
  every rule automatically follows whichever theme is active without
  being duplicated per-theme.
*/

:root,
[data-bs-theme="dark"] {
    --sr-bg: #0f172a;
    --sr-surface: #1e293b;
    --sr-surface-translucent: rgba(30, 41, 59, .6);
    --sr-border: #1e293b;
    --sr-border-strong: #334155;
    --sr-text: #f1f5f9;
    --sr-text-muted: #94a3b8;
    --sr-heading: #ffffff;
    --sr-primary: #3b82f6;
    --sr-primary-rgb: 59, 130, 246;
    --sr-purple: #8b5cf6;
    --sr-emerald: #10b981;
    --sr-amber: #f59e0b;
    --sr-red: #ef4444;
    --sr-nav-hover-bg: rgba(255, 255, 255, 0.06);
    --sr-status-bg: rgba(255, 255, 255, .04);

    --bs-body-bg: var(--sr-bg);
    --bs-body-color: var(--sr-text);
    --bs-border-color: var(--sr-border);
    --bs-emphasis-color: #ffffff;
    --bs-secondary-color: var(--sr-text-muted);
    --bs-tertiary-color: var(--sr-text-muted);
    --bs-secondary-bg: var(--sr-surface);
    --bs-tertiary-bg: #16213a;
    --bs-primary: var(--sr-primary);
    --bs-primary-rgb: var(--sr-primary-rgb);
    --bs-link-color: var(--sr-primary);
    --bs-link-hover-color: #60a5fa;
    --bs-card-bg: var(--sr-surface-translucent);
    --bs-card-border-color: var(--sr-border);
}

[data-bs-theme="light"] {
    --sr-bg: #f3f5f9;
    --sr-surface: #ffffff;
    --sr-surface-translucent: rgba(255, 255, 255, .78);
    --sr-border: #e2e8f0;
    --sr-border-strong: #cbd5e1;
    --sr-text: #1e293b;
    --sr-text-muted: #64748b;
    --sr-heading: #0f172a;
    --sr-primary: #3b82f6;
    --sr-primary-rgb: 59, 130, 246;
    --sr-purple: #8b5cf6;
    --sr-emerald: #059669;
    --sr-amber: #d97706;
    --sr-red: #dc2626;
    --sr-nav-hover-bg: rgba(15, 23, 42, 0.05);
    --sr-status-bg: rgba(15, 23, 42, .03);

    --bs-body-bg: var(--sr-bg);
    --bs-body-color: var(--sr-text);
    --bs-border-color: var(--sr-border);
    --bs-emphasis-color: #000000;
    --bs-secondary-color: var(--sr-text-muted);
    --bs-tertiary-color: var(--sr-text-muted);
    --bs-secondary-bg: #eef1f6;
    --bs-tertiary-bg: #e7ebf2;
    --bs-primary: var(--sr-primary);
    --bs-primary-rgb: var(--sr-primary-rgb);
    --bs-link-color: var(--sr-primary);
    --bs-link-hover-color: #1d4ed8;
    --bs-card-bg: var(--sr-surface-translucent);
    --bs-card-border-color: var(--sr-border);
    --bs-body-color-rgb: 30, 41, 59;
}

body {
    background-color: var(--sr-bg);
}

:root {
    --sidebar-width: 270px;
}

.app-shell {
    display: flex;
    align-items: stretch;
    min-height: 100vh;
}

/* ---------- Sidebar (dark, pill nav, glow on active) ---------- */

.sidebar {
    width: var(--sidebar-width);
    flex: 0 0 var(--sidebar-width);
    background-color: var(--sr-bg);
    color: var(--sr-text-muted);
    border-right: 1px solid var(--sr-border);
    overflow: hidden;
    transition: width 0.2s ease, flex-basis 0.2s ease, padding 0.2s ease;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

body.sidebar-hidden .sidebar {
    width: 0;
    flex-basis: 0;
    padding: 0;
}

.sidebar-brand {
    padding: 1.5rem 1.5rem 1rem;
    white-space: nowrap;
    border-bottom: 1px solid var(--sr-border);
    margin-bottom: 0.5rem;
}

.sidebar-brand a {
    color: var(--sr-primary);
    text-decoration: none;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    display: block;
}

.sidebar-brand-subtitle {
    font-size: 0.65rem;
    color: var(--sr-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-top: 0.15rem;
}

.sidebar-nav {
    padding: 0.5rem 1rem 1.5rem;
    white-space: nowrap;
}

.sidebar-menu .nav-link {
    color: var(--sr-text-muted);
    padding: 0.6rem 1rem;
    margin-bottom: 0.15rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: 0.75rem;
    transition: background-color .15s ease, color .15s ease, box-shadow .15s ease;
}

.sidebar-menu .nav-link:hover {
    background-color: var(--sr-nav-hover-bg);
    color: var(--sr-heading);
}

.sidebar-menu .nav-link.active,
.sidebar-menu .nav-link[aria-current="page"] {
    background-color: var(--sr-primary);
    color: #fff;
    box-shadow: 0 10px 20px -8px rgba(var(--sr-primary-rgb), .5);
}

.sidebar-menu .nav-link i:first-child,
.sidebar-menu .nav-link span > i {
    width: 1.25rem;
    text-align: center;
    margin-right: 0.5rem;
}

.sidebar-menu .submenu-caret {
    font-size: 0.75rem;
    transition: transform 0.15s ease;
}

.sidebar-menu .submenu-toggle[aria-expanded="true"] .submenu-caret {
    transform: rotate(180deg);
}

.sidebar-menu .submenu-level-1 .nav-link { padding-left: 2.25rem; font-size: .92rem; }
.sidebar-menu .submenu-level-2 .nav-link { padding-left: 3rem; }
.sidebar-menu .submenu-level-3 .nav-link { padding-left: 3.75rem; }
.sidebar-menu .submenu-level-4 .nav-link { padding-left: 4.5rem; }

.sidebar-footer {
    margin: 1.5rem 1rem 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--sr-border);
}

.sidebar-status {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .65rem .85rem;
    background-color: var(--sr-status-bg);
    border: 1px solid var(--sr-border-strong);
    border-radius: .85rem;
}

.topbar-icon-btn {
    color: var(--sr-text-muted);
    border-color: var(--sr-border-strong);
}

.topbar-icon-btn:hover {
    color: var(--sr-heading);
    background-color: var(--sr-nav-hover-bg);
    border-color: var(--sr-border-strong);
}

/* ---------- Main area / topbar ---------- */

.app-main {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.topbar {
    display: flex;
    align-items: center;
    padding: 0.65rem 1.25rem;
    background-color: var(--sr-bg);
    border-bottom: 1px solid var(--sr-border);
    position: sticky;
    top: 0;
    z-index: 1020;
}

.topbar-spacer {
    flex: 1 1 auto;
}

.topbar-search {
    max-width: 320px;
    width: 100%;
}

.role-badge {
    display: inline-flex;
    align-items: center;
    padding: .3rem .85rem;
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: #fff;
    background-color: var(--sr-primary);
    border-radius: 999px;
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        z-index: 1030;
    }

    .topbar-search {
        max-width: 160px;
    }
}

/* ---------- Cards, forms, tables (glass surface) ---------- */

.card {
    background-color: var(--sr-surface-translucent);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--sr-border);
    border-radius: 1rem;
}

.table {
    --bs-table-bg: transparent;
}

.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_length label,
.dataTables_wrapper .dataTables_filter label,
.dataTables_wrapper .dataTables_paginate {
    color: var(--sr-text-muted);
}

.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
    background-color: var(--sr-surface);
    color: var(--sr-text);
    border: 1px solid var(--sr-border-strong);
    border-radius: .5rem;
}

/* ---------- Dashboard: hero banner ---------- */

.hero-banner {
    position: relative;
    overflow: hidden;
    padding: 2.25rem 2.5rem;
    border-radius: 1.5rem;
    border: 1px solid var(--sr-border);
    background: linear-gradient(120deg, rgba(59, 130, 246, .18), rgba(139, 92, 246, .18));
    box-shadow: 0 25px 50px -20px rgba(0, 0, 0, .5);
}

.hero-banner::after {
    content: "";
    position: absolute;
    top: -30%;
    right: -8%;
    width: 16rem;
    height: 16rem;
    border-radius: 50%;
    background: rgba(59, 130, 246, .12);
    filter: blur(60px);
}

.hero-banner h2 {
    position: relative;
    font-weight: 700;
}

.hero-banner p {
    position: relative;
    color: var(--sr-text-muted);
    max-width: 32rem;
}

/* ---------- Dashboard: stat cards ---------- */

.stat-card {
    padding: 1.5rem;
    height: 100%;
}

.stat-card:hover {
    border-color: rgba(var(--sr-primary-rgb), .5);
}

.stat-card .stat-label {
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--sr-text-muted);
}

.stat-card .stat-value {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--sr-heading);
    margin-top: .15rem;
}

.icon-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: .85rem;
    font-size: 1.35rem;
    transition: background-color .2s ease, color .2s ease, transform .2s ease;
}

.icon-chip-primary { background-color: rgba(59, 130, 246, .12); color: var(--sr-primary); }
.icon-chip-purple { background-color: rgba(139, 92, 246, .12); color: var(--sr-purple); }
.icon-chip-emerald { background-color: rgba(16, 185, 129, .12); color: var(--sr-emerald); }
.icon-chip-amber { background-color: rgba(245, 158, 11, .12); color: var(--sr-amber); }

.stat-card:hover .icon-chip-primary { background-color: var(--sr-primary); color: #fff; transform: scale(1.08); }
.stat-card:hover .icon-chip-purple { background-color: var(--sr-purple); color: #fff; transform: scale(1.08); }
.stat-card:hover .icon-chip-emerald { background-color: var(--sr-emerald); color: #fff; transform: scale(1.08); }
.stat-card:hover .icon-chip-amber { background-color: var(--sr-amber); color: #fff; transform: scale(1.08); }

.status-dot {
    display: inline-block;
    width: .5rem;
    height: .5rem;
    border-radius: 50%;
    background-color: var(--sr-emerald);
    box-shadow: 0 0 0 rgba(16, 185, 129, .6);
    animation: sr-pulse 2s infinite;
}

@keyframes sr-pulse {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, .55); }
    70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* ---------- Login ---------- */

.login-page-wrapper {
    min-height: calc(100vh - 1rem);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: -1rem -0.75rem 0;
    padding: 1rem;
    background:
        radial-gradient(circle at 25% 20%, rgba(59, 130, 246, .22), transparent 55%),
        var(--sr-bg);
}

.card-login {
    max-width: 420px;
    width: 100%;
}

.captcha-img {
    border: 1px solid var(--sr-border-strong);
    border-radius: 0.5rem;
    vertical-align: middle;
}

@media (max-width: 576px) {
    .container-fluid {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
}
