/* ==========================================================================
   PropertyLink — Shared Theme / Design System
   Frontend-only. Loaded globally via includes/topnav.php.
   Uses slightly elevated selector specificity so it modernizes the existing
   per-page inline styles without requiring edits to every role partial.
   ========================================================================== */

:root {
    /* Brand */
    --pl-primary: #2563eb;
    --pl-primary-dark: #1d4ed8;
    --pl-primary-darker: #1e40af;
    --pl-accent: #4f46e5;
    --pl-primary-soft: #eff6ff;
    --pl-primary-soft-2: #dbeafe;

    /* Surfaces & neutrals */
    --pl-bg: #f3f5fa;
    --pl-surface: #ffffff;
    --pl-surface-2: #f8fafc;
    --pl-border: #e7eaf0;
    --pl-border-strong: #d8dde6;

    /* Text */
    --pl-text: #1e293b;
    --pl-text-muted: #64748b;
    --pl-text-faint: #94a3b8;

    /* Status */
    --pl-success: #16a34a;  --pl-success-bg: #dcfce7;
    --pl-danger:  #dc2626;  --pl-danger-bg:  #fee2e2;
    --pl-warning: #d97706;  --pl-warning-bg: #fef3c7;
    --pl-info:    #2563eb;  --pl-info-bg:    #dbeafe;

    /* Shape & depth */
    --pl-radius: 14px;
    --pl-radius-md: 10px;
    --pl-radius-sm: 8px;
    --pl-shadow-sm: 0 1px 2px rgba(16,24,40,.04), 0 1px 3px rgba(16,24,40,.06);
    --pl-shadow: 0 2px 8px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.04);
    --pl-shadow-lg: 0 12px 32px rgba(16,24,40,.10), 0 4px 12px rgba(16,24,40,.06);

    /* Layout */
    --pl-topnav-h: 56px;
    --pl-sidebar-w: 256px;
    --pl-subnav-h: 48px;   /* secondary horizontal sub-navigation */

    --pl-font: 'Inter', 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ---------- Base ---------- */
body {
    font-family: var(--pl-font);
    color: var(--pl-text);
    background: var(--pl-bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

::selection { background: var(--pl-primary-soft-2); }

/* Refined scrollbars */
* { scrollbar-width: thin; scrollbar-color: #cbd5e1 transparent; }
*::-webkit-scrollbar { width: 9px; height: 9px; }
*::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 8px; border: 2px solid transparent; background-clip: content-box; }
*::-webkit-scrollbar-thumb:hover { background: #94a3b8; background-clip: content-box; }

/* ==========================================================================
   Top navigation
   ========================================================================== */
nav.topnav {
    height: var(--pl-topnav-h);
    background: rgba(255,255,255,.85);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--pl-border);
    box-shadow: var(--pl-shadow-sm);
}

nav.topnav .product-logo span {
    background: linear-gradient(135deg, var(--pl-primary) 0%, var(--pl-accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
    letter-spacing: -0.2px;
    font-size: 20px;
}
nav.topnav .product-logo i { color: var(--pl-primary); }

nav.topnav .search-box input {
    border-radius: var(--pl-radius-md);
    border-color: var(--pl-border);
    background: var(--pl-surface-2);
    height: 38px;
}
nav.topnav .search-box input:focus {
    border-color: var(--pl-primary);
    box-shadow: 0 0 0 4px rgba(37,99,235,.12);
}
nav.topnav .search-box button { border-radius: var(--pl-radius-sm); background: var(--pl-primary); }
nav.topnav .search-box button:hover { background: var(--pl-primary-dark); }

nav.topnav .icon-item { color: var(--pl-text-muted); border-radius: var(--pl-radius-sm); }
nav.topnav .icon-item:hover { color: var(--pl-primary); background: var(--pl-primary-soft); transform: none; }
nav.topnav .icon-item i { filter: none; }

/* Hamburger (mobile) */
.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--pl-text);
    font-size: 20px;
    cursor: pointer;
    padding: 8px 10px;
    margin-right: 4px;
    border-radius: var(--pl-radius-sm);
    line-height: 1;
}
.nav-toggle:hover { background: var(--pl-surface-2); color: var(--pl-primary); }

/* ==========================================================================
   Sidebar
   ========================================================================== */
aside.sidenav {
    top: var(--pl-topnav-h);
    height: calc(100vh - var(--pl-topnav-h));
    width: var(--pl-sidebar-w);
    background: var(--pl-surface);
    border-right: 1px solid var(--pl-border);
    padding: 16px 12px 28px;
}
aside.sidenav .nav-section { padding: 0 6px; margin-bottom: 18px; }
aside.sidenav .nav-section-title {
    color: var(--pl-text-faint);
    font-size: 10.5px;
    letter-spacing: .7px;
    font-weight: 700;
    margin: 0 8px 8px;
    text-transform: uppercase;
}
aside.sidenav .nav-item {
    gap: 12px;
    padding: 10px 12px;
    margin-bottom: 2px;
    color: var(--pl-text-muted);
    border-radius: var(--pl-radius-md);
    font-size: 13.5px;
    font-weight: 500;
    position: relative;
    transition: background .15s ease, color .15s ease;
}
aside.sidenav .nav-item:hover { background: var(--pl-surface-2); color: var(--pl-primary); }
aside.sidenav .nav-item.active {
    background: var(--pl-primary-soft);
    color: var(--pl-primary-darker);
    font-weight: 600;
}
aside.sidenav .nav-item.active::before {
    content: '';
    position: absolute;
    left: -12px; top: 50%;
    transform: translateY(-50%);
    width: 3px; height: 22px;
    background: var(--pl-primary);
    border-radius: 0 4px 4px 0;
}
aside.sidenav .nav-item i {
    width: 22px;
    font-size: 15px;
    text-align: center;
    color: inherit;
    opacity: .9;
}

/* Mobile overlay backdrop */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: var(--pl-topnav-h) 0 0 0;
    background: rgba(15,23,42,.45);
    z-index: 998;
    opacity: 0;
    transition: opacity .2s ease;
}

/* ==========================================================================
   Main content
   ========================================================================== */
body .main-content {
    margin-left: var(--pl-sidebar-w);
    margin-top: 0;
    padding: 26px 30px 48px;
    background: var(--pl-bg);
    min-height: calc(100vh - var(--pl-topnav-h));
}

.main-content .page-header h1,
.page-header h1 { color: var(--pl-text); font-weight: 700; letter-spacing: -0.3px; }
.main-content .page-header p,
.page-header p { color: var(--pl-text-muted); }

/* ==========================================================================
   Secondary (horizontal) sub-navigation — standardized for EVERY role.
   Each role ships its own includes/horizontal_nav.php with slightly different
   hard-coded values; these authoritative rules normalize them so the bar sits
   flush under the top bar and never overlaps the page heading. !important is
   intentional: it overrides the per-page inline <style> blocks in one place.
   ========================================================================== */
.horizontal-nav {
    position: fixed !important;
    top: var(--pl-topnav-h) !important;          /* flush beneath the fixed top bar */
    left: var(--pl-sidebar-w) !important;        /* clears the sidebar */
    right: 0 !important;
    height: var(--pl-subnav-h) !important;
    z-index: 900 !important;                      /* below top bar (1000), above content */
}
/* Reserve vertical space so headings/content start below the fixed sub-nav */
.horizontal-nav ~ .main-content,
.horizontal-nav ~ .content { margin-top: var(--pl-subnav-h) !important; }

@media (max-width: 1024px) {
    /* sidebar collapses to a drawer, so the sub-nav spans the full width */
    .horizontal-nav { left: 0 !important; }
}

/* ==========================================================================
   Cards
   ========================================================================== */
.main-content .card,
.content .card,
.card {
    background: var(--pl-surface);
    border: 1px solid var(--pl-border);
    border-radius: var(--pl-radius);
    box-shadow: var(--pl-shadow-sm);
    transition: box-shadow .2s ease, transform .2s ease;
}
.main-content .card:hover { box-shadow: var(--pl-shadow); }
.main-content .card-header,
.card-header { border-bottom: 1px solid var(--pl-border); padding: 18px 22px; }
.main-content .card-title,
.card-title { color: var(--pl-text); font-weight: 700; font-size: 15px; }
.main-content .card-body,
.card-body { padding: 22px; }

/* Generic stat tiles often used on dashboards */
.main-content .stat-card,
.stat-card {
    background: var(--pl-surface);
    border: 1px solid var(--pl-border);
    border-radius: var(--pl-radius);
    box-shadow: var(--pl-shadow-sm);
}

/* ==========================================================================
   Tables
   ========================================================================== */
.main-content table { border-collapse: separate; border-spacing: 0; }
.main-content th {
    background: var(--pl-surface-2);
    color: var(--pl-text-muted);
    font-size: 11px;
    letter-spacing: .5px;
    font-weight: 700;
    padding: 12px 16px;
    border-bottom: 1px solid var(--pl-border);
}
.main-content td {
    padding: 14px 16px;
    border-bottom: 1px solid #f1f3f7;
    font-size: 13px;
    color: var(--pl-text);
}
.main-content tbody tr { transition: background .12s ease; }
.main-content tbody tr:hover { background: var(--pl-primary-soft); }
.main-content tbody tr:last-child td { border-bottom: none; }

/* ==========================================================================
   Badges
   ========================================================================== */
.main-content .badge, .card .badge, .badge {
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 11px;
    letter-spacing: .2px;
}
.main-content .badge-success, .badge-success { background: var(--pl-success-bg); color: var(--pl-success); }
.main-content .badge-danger,  .badge-danger  { background: var(--pl-danger-bg);  color: var(--pl-danger); }
.main-content .badge-warning, .badge-warning { background: var(--pl-warning-bg); color: var(--pl-warning); }
.main-content .badge-info,    .badge-info    { background: var(--pl-info-bg);    color: var(--pl-info); }

/* ==========================================================================
   Buttons (generic helpers; does not override role-specific named buttons)
   ========================================================================== */
.btn, .main-content .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--pl-radius-md);
    font-weight: 600;
    font-size: 13.5px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all .18s ease;
    text-decoration: none;
    line-height: 1.2;
}
.btn-primary, .main-content .btn-primary {
    background: var(--pl-primary);
    color: #fff;
    box-shadow: 0 1px 2px rgba(37,99,235,.25);
}
.btn-primary:hover, .main-content .btn-primary:hover { background: var(--pl-primary-dark); transform: translateY(-1px); }
.btn-secondary, .main-content .btn-secondary {
    background: var(--pl-surface);
    color: var(--pl-text);
    border-color: var(--pl-border-strong);
}
.btn-secondary:hover, .main-content .btn-secondary:hover { background: var(--pl-surface-2); }

/* ==========================================================================
   Forms
   ========================================================================== */
.main-content input[type="text"],
.main-content input[type="email"],
.main-content input[type="password"],
.main-content input[type="number"],
.main-content input[type="date"],
.main-content input[type="tel"],
.main-content input[type="search"],
.main-content select,
.main-content textarea {
    border: 1px solid var(--pl-border-strong);
    border-radius: var(--pl-radius-md);
    padding: 10px 12px;
    font-family: var(--pl-font);
    font-size: 13.5px;
    color: var(--pl-text);
    background: var(--pl-surface);
    transition: border-color .15s ease, box-shadow .15s ease;
}
.main-content input:focus,
.main-content select:focus,
.main-content textarea:focus {
    outline: none;
    border-color: var(--pl-primary);
    box-shadow: 0 0 0 4px rgba(37,99,235,.12);
}

/* ==========================================================================
   Responsive — sidebar becomes a slide-in drawer
   ========================================================================== */
@media (max-width: 1024px) {
    .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }

    aside.sidenav {
        transform: translateX(-100%);
        transition: transform .26s cubic-bezier(.4,0,.2,1);
        box-shadow: var(--pl-shadow-lg);
        z-index: 999;
    }
    body.sidebar-open aside.sidenav { transform: translateX(0); }
    body.sidebar-open .sidebar-overlay { display: block; opacity: 1; }

    body .main-content { margin-left: 0; padding: 20px 16px 40px; }
}

@media (max-width: 640px) {
    body .main-content { padding: 16px 12px 36px; }
    .main-content .card-body { padding: 16px; }
    .main-content .card-header { padding: 14px 16px; }
    .main-content .page-header h1, .page-header h1 { font-size: 22px; }
    nav.topnav .search-container { display: none; }
}