/* ============================================================
   Property Management System - Admin Dashboard Styles
   ============================================================ */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --sidebar-bg: #0f172a;
    --sidebar-hover: #1e293b;
    --sidebar-text: #cbd5e1;
    --bg: #f1f5f9;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --muted: #64748b;
    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
    --info: #0891b2;
    --secondary: #64748b;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Layout ---------- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    flex-shrink: 0;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-brand {
    display: flex; align-items: center; gap: 10px;
    padding: 18px 20px;
    border-bottom: 1px solid #1e293b;
}
.brand-mark {
    background: var(--primary); color: #fff;
    width: 34px; height: 34px; border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 13px;
}
.brand-text { font-weight: 600; color: #fff; font-size: 15px; }

.sidebar-nav { padding: 12px 0; }
.nav-item {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 20px;
    color: var(--sidebar-text);
    font-size: 14px;
    border-left: 3px solid transparent;
}
.nav-item:hover { background: var(--sidebar-hover); color: #fff; text-decoration: none; }
.nav-item.active { background: var(--sidebar-hover); color: #fff; border-left-color: var(--primary); }
.nav-icon { width: 20px; text-align: center; }
.nav-divider {
    padding: 14px 20px 6px;
    font-size: 11px; text-transform: uppercase;
    letter-spacing: .05em; color: #475569;
}

.main {
    flex: 1;
    margin-left: 240px;
    display: flex; flex-direction: column;
    min-height: 100vh;
}

.topbar {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    height: 60px;
    display: flex; align-items: center; gap: 16px;
    position: sticky; top: 0; z-index: 50;
}
.page-title { font-size: 18px; font-weight: 600; flex: 1; }
.menu-toggle { display: none; background: none; border: none; font-size: 22px; cursor: pointer; }
.topbar-user { display: flex; align-items: center; gap: 10px; }
.user-meta { text-align: right; line-height: 1.2; }
.user-name { display: block; font-weight: 600; font-size: 13px; }
.user-role { display: block; font-size: 11px; color: var(--muted); }
.user-avatar {
    width: 38px; height: 38px; border-radius: 50%;
    background: var(--primary); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 600;
}

.content { padding: 24px; flex: 1; }
.page-footer {
    padding: 14px 24px;
    border-top: 1px solid var(--border);
    display: flex; justify-content: space-between;
    color: var(--muted); font-size: 12px;
}

/* ---------- Page header ---------- */
.page-head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 20px; flex-wrap: wrap; gap: 12px;
}
.page-head h2 { font-size: 20px; }

/* ---------- Cards / stats ---------- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px; margin-bottom: 24px;
}
.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
}
.stat-card .label { color: var(--muted); font-size: 13px; }
.stat-card .value { font-size: 26px; font-weight: 700; margin-top: 4px; }
.stat-card .value.sm { font-size: 20px; }
.stat-card.accent-blue { border-left: 4px solid var(--primary); }
.stat-card.accent-green { border-left: 4px solid var(--success); }
.stat-card.accent-orange { border-left: 4px solid var(--warning); }
.stat-card.accent-red { border-left: 4px solid var(--danger); }
.stat-card.accent-cyan { border-left: 4px solid var(--info); }

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}
.card-head {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    display: flex; justify-content: space-between; align-items: center;
}
.card-body { padding: 18px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table.data {
    width: 100%; border-collapse: collapse; background: var(--card-bg);
}
table.data th, table.data td {
    padding: 11px 14px; text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}
table.data th {
    background: #f8fafc; color: var(--muted);
    font-weight: 600; text-transform: uppercase; font-size: 11px;
    letter-spacing: .03em;
}
table.data tr:hover td { background: #f8fafc; }
table.data .num { text-align: right; }

.empty {
    padding: 40px; text-align: center; color: var(--muted);
}

/* ---------- Badges ---------- */
.badge {
    display: inline-block; padding: 3px 10px; border-radius: 999px;
    font-size: 11px; font-weight: 600; text-transform: capitalize;
}
.badge-success { background: #dcfce7; color: #166534; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger  { background: #fee2e2; color: #991b1b; }
.badge-info    { background: #cffafe; color: #155e75; }
.badge-secondary { background: #e2e8f0; color: #475569; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 14px; border-radius: 8px;
    border: 1px solid transparent; cursor: pointer;
    font-size: 13px; font-weight: 500; text-decoration: none;
    background: #e2e8f0; color: var(--text);
}
.btn:hover { text-decoration: none; opacity: .92; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-danger  { background: var(--danger); color: #fff; }
.btn-outline { background: #fff; border-color: var(--border); color: var(--text); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-group { display: flex; gap: 6px; flex-wrap: wrap; }

/* ---------- Forms ---------- */
.form-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.form-grid .full { grid-column: 1 / -1; }
.form-group { margin-bottom: 4px; }
.form-group label {
    display: block; margin-bottom: 5px; font-weight: 500; font-size: 13px;
}
.form-group label .req { color: var(--danger); }
.form-control, select.form-control, textarea.form-control {
    width: 100%; padding: 9px 11px;
    border: 1px solid var(--border); border-radius: 8px;
    font-size: 14px; font-family: inherit; background: #fff;
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
textarea.form-control { min-height: 80px; resize: vertical; }
.form-actions { margin-top: 18px; display: flex; gap: 10px; }

/* ---------- Filters ---------- */
.filters {
    display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end;
    margin-bottom: 18px; background: var(--card-bg);
    padding: 14px; border: 1px solid var(--border); border-radius: var(--radius);
}
.filters .form-group { margin: 0; }
.filters .form-control { min-width: 150px; }

/* ---------- Alerts ---------- */
.alert {
    padding: 12px 16px; border-radius: 8px; margin-bottom: 16px;
    border: 1px solid transparent; font-size: 14px;
}
.alert-success { background: #dcfce7; border-color: #bbf7d0; color: #166534; }
.alert-error, .alert-danger { background: #fee2e2; border-color: #fecaca; color: #991b1b; }
.alert-warning { background: #fef3c7; border-color: #fde68a; color: #92400e; }
.alert-info { background: #cffafe; border-color: #a5f3fc; color: #155e75; }
.alert ul { margin: 4px 0 0 18px; }

/* ---------- Pagination ---------- */
.pagination { display: flex; gap: 6px; margin-top: 18px; flex-wrap: wrap; }
.page-link {
    padding: 6px 12px; border: 1px solid var(--border); border-radius: 6px;
    background: #fff; color: var(--text);
}
.page-link.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---------- Alert list (dashboard) ---------- */
.alert-list { list-style: none; }
.alert-list li {
    padding: 10px 0; border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; gap: 10px;
}
.alert-list li:last-child { border-bottom: none; }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-muted { color: var(--muted); }
.mt-0 { margin-top: 0; }
.mb-2 { margin-bottom: 16px; }

/* ---------- Login ---------- */
.login-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #1e293b, #2563eb);
    padding: 20px;
}
.login-card {
    background: #fff; border-radius: 14px; padding: 36px;
    width: 100%; max-width: 400px; box-shadow: 0 10px 40px rgba(0,0,0,.2);
}
.login-card h1 { font-size: 22px; margin-bottom: 6px; text-align: center; }
.login-card .sub { color: var(--muted); text-align: center; margin-bottom: 24px; font-size: 13px; }
.login-card .form-group { margin-bottom: 16px; }
.login-demo { margin-top: 18px; padding: 12px; background: var(--bg); border-radius: 8px; font-size: 12px; color: var(--muted); }

/* ---------- Print ---------- */
.print-doc { max-width: 760px; margin: 0 auto; background: #fff; padding: 40px; box-shadow: var(--shadow); }
.print-head { display: flex; justify-content: space-between; align-items: flex-start; border-bottom: 2px solid var(--text); padding-bottom: 16px; margin-bottom: 24px; }
.print-head h2 { font-size: 24px; }
.print-table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.print-table th, .print-table td { padding: 10px; border: 1px solid var(--border); text-align: left; }
.print-total { text-align: right; font-size: 18px; font-weight: 700; margin-top: 16px; }

@media print {
    .sidebar, .topbar, .page-footer, .no-print { display: none !important; }
    .main { margin-left: 0; }
    .content { padding: 0; }
    .print-doc { box-shadow: none; max-width: 100%; }
    body { background: #fff; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); transition: transform .25s; }
    .sidebar.open { transform: translateX(0); }
    .main { margin-left: 0; }
    .menu-toggle { display: block; }
}