/* IT Asset & Helpdesk Management System — Admin CSS */

:root {
    --sidebar-width: 240px;
    --sidebar-bg: #1e2a3a;
    --sidebar-text: #c8d6e5;
    --sidebar-active: #3b82f6;
    --topbar-height: 56px;
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --body-bg: #f0f4f8;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-muted: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', system-ui, sans-serif; background: var(--body-bg); color: var(--text); }

/* ── Sidebar ──────────────────────────────────────────────────────────── */
.sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    overflow-y: auto; z-index: 1000;
    transition: transform 0.3s ease;
}
.sidebar-brand {
    display: flex; align-items: center;
    padding: 1.25rem 1.25rem;
    font-size: 1.1rem; font-weight: 700;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sidebar-nav { padding: 1rem 0; }
.nav-section {
    font-size: 0.65rem; font-weight: 600; letter-spacing: 0.1em;
    text-transform: uppercase; color: #5c6f80;
    padding: 0.5rem 1.25rem;
}
.nav-item {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.6rem 1.25rem;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.875rem;
    border-left: 3px solid transparent;
    transition: all 0.15s;
}
.nav-item:hover { background: rgba(255,255,255,0.07); color: #fff; }
.nav-item.active { background: rgba(59,130,246,0.15); color: #fff; border-left-color: var(--sidebar-active); }
.nav-item .badge { margin-left: auto; }

/* ── Main layout ─────────────────────────────────────────────────────── */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin 0.3s ease;
}
.topbar {
    position: sticky; top: 0; z-index: 100;
    height: var(--topbar-height);
    background: #fff;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 1rem;
    padding: 0 1.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.topbar-title { flex: 1; font-weight: 600; font-size: 1rem; }
.topbar-user { font-size: 0.875rem; color: var(--text-muted); }
.content-area { padding: 1.5rem; }

/* ── Cards ───────────────────────────────────────────────────────────── */
.card { border: 1px solid var(--border); border-radius: 0.75rem; background: var(--card-bg); }
.card-header { background: #f8fafc; border-bottom: 1px solid var(--border); border-radius: 0.75rem 0.75rem 0 0 !important; }

/* Stat cards */
.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1.25rem;
    display: flex; align-items: center; gap: 1rem;
}
.stat-card .icon-box {
    width: 52px; height: 52px;
    border-radius: 0.5rem;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; flex-shrink: 0;
}
.stat-card .stat-val { font-size: 1.6rem; font-weight: 700; line-height: 1; }
.stat-card .stat-lbl { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.2rem; }

/* ── Table ───────────────────────────────────────────────────────────── */
.table-wrapper { background: var(--card-bg); border-radius: 0.75rem; border: 1px solid var(--border); overflow: hidden; }
.table { margin-bottom: 0; }
.table thead th { background: #f8fafc; font-size: 0.8rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.03em; border-bottom: 1px solid var(--border); }
.table td { vertical-align: middle; font-size: 0.875rem; }

/* ── Forms ───────────────────────────────────────────────────────────── */
.form-label { font-weight: 500; font-size: 0.875rem; }
.form-control, .form-select { font-size: 0.875rem; }

/* ── Badges ──────────────────────────────────────────────────────────── */
.badge { font-weight: 500; }

/* ── Pagination ──────────────────────────────────────────────────────── */
.pagination .page-link { font-size: 0.85rem; }

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
}

/* ── Login page ──────────────────────────────────────────────────────── */
.login-wrapper {
    min-height: 100vh;
    background: linear-gradient(135deg, #1e2a3a 0%, #2d4a6e 100%);
    display: flex; align-items: center; justify-content: center;
}
.login-card {
    background: #fff; border-radius: 1rem;
    padding: 2.5rem; width: 100%; max-width: 420px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.login-logo { font-size: 2rem; color: var(--primary); }

/* ── Priority badge colors ───────────────────────────────────────────── */
.priority-Low    { background: #d1fae5; color: #065f46; }
.priority-Medium { background: #fef3c7; color: #92400e; }
.priority-High   { background: #fee2e2; color: #991b1b; }

/* ── Chart containers ────────────────────────────────────────────────── */
.chart-container { position: relative; height: 250px; }