:root {
    --brand-50: #eef2ff;
    --brand-100: #e0e7ff;
    --brand-500: #4f46e5;
    --brand-600: #4338ca;
    --brand-700: #3730a3;
    --ink: #1e2230;
    --ink-soft: #64748b;
    --surface: #ffffff;
    --surface-muted: #f4f6fb;
    --border-soft: #e6e9f2;

    --bs-primary: var(--brand-500);
    --bs-primary-rgb: 79, 70, 229;
    --bs-link-color: var(--brand-600);
    --bs-link-hover-color: var(--brand-700);
    --bs-body-bg: var(--surface-muted);
    --bs-body-color: var(--ink);
    --bs-border-radius: 0.75rem;
    --bs-border-radius-sm: 0.5rem;
    --bs-border-radius-lg: 1rem;
}

body {
    background-color: var(--surface-muted);
    color: var(--ink);
    font-family: "Segoe UI", "Leelawadee UI", "Noto Sans Thai", "Sarabun", Tahoma, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

.btn {
    border-radius: 999px;
    font-weight: 600;
    padding-inline: 1.1rem;
    letter-spacing: 0.01em;
    transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
    background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
    border: none;
    box-shadow: 0 6px 16px -6px rgba(79, 70, 229, 0.55);
}
.btn-primary:hover, .btn-primary:focus {
    filter: brightness(1.06);
    box-shadow: 0 8px 20px -6px rgba(79, 70, 229, 0.6);
}
.btn-lg { padding-block: 0.65rem; }
.btn-sm { border-radius: 999px; }
.btn-outline-primary, .btn-outline-secondary, .btn-outline-danger { border-width: 1.5px; }

/* ---------- Navbar ---------- */
.navbar {
    background: linear-gradient(100deg, #1b1f3b 0%, #2a1f5e 55%, #3d2170 100%) !important;
    box-shadow: 0 4px 20px -8px rgba(20, 15, 60, 0.55);
    padding-block: 0.6rem;
}
.navbar-brand {
    font-weight: 800;
    letter-spacing: 0.01em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.navbar-brand::before {
    content: "🖥️";
    font-size: 1.15rem;
}
.navbar .nav-link {
    border-radius: 999px;
    padding: 0.45rem 0.9rem;
    margin: 0 0.1rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.82) !important;
    transition: background-color 0.15s ease, color 0.15s ease;
}
.navbar .nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff !important;
}
.navbar .nav-link.active,
.navbar .nav-item.active .nav-link {
    background: rgba(255, 255, 255, 0.16);
    color: #fff !important;
}
.navbar .dropdown-menu {
    border-radius: 0.9rem;
    border: none;
    box-shadow: 0 12px 32px -8px rgba(20, 15, 60, 0.35);
    padding: 0.4rem;
}
.navbar .dropdown-item {
    border-radius: 0.6rem;
    padding: 0.5rem 0.8rem;
}
.navbar .dropdown-item:hover { background: var(--brand-50); }
.navbar .user-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
}
.navbar .user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.18);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
    color: #fff;
}

/* ---------- Cards ---------- */
.card {
    border: 1px solid var(--border-soft);
    border-radius: var(--bs-border-radius-lg);
    box-shadow: 0 2px 10px -4px rgba(30, 34, 48, 0.06);
}
.card-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border-soft);
    font-weight: 700;
    border-top-left-radius: var(--bs-border-radius-lg) !important;
    border-top-right-radius: var(--bs-border-radius-lg) !important;
}
.list-group-item {
    border-color: var(--border-soft);
}
.list-group-flush > .list-group-item:last-child {
    border-bottom-left-radius: var(--bs-border-radius-lg);
    border-bottom-right-radius: var(--bs-border-radius-lg);
}

/* Dashboard stat cards */
.stat-card {
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 4px;
    background: var(--stat-color, var(--brand-500));
}
.stat-card .display-6 {
    font-weight: 800;
}

/* ---------- Tables ---------- */
.table-responsive { border-radius: var(--bs-border-radius-lg); }
.table {
    margin-bottom: 0;
}
.table thead th {
    background: var(--surface-muted);
    color: var(--ink-soft);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 700;
    border-bottom: 1px solid var(--border-soft);
    padding-block: 0.8rem;
}
.table tbody td {
    padding-block: 0.7rem;
    vertical-align: middle;
    border-color: var(--border-soft);
}
.table-hover tbody tr:hover {
    background-color: var(--brand-50);
}

/* ---------- Badges ---------- */
.badge {
    border-radius: 999px;
    font-weight: 600;
    padding: 0.42em 0.75em;
    letter-spacing: 0.02em;
}

/* ---------- Forms ---------- */
.form-control, .form-select {
    border-radius: 0.6rem;
    border-color: var(--border-soft);
    padding-block: 0.55rem;
}
.form-control:focus, .form-select:focus {
    border-color: var(--brand-500);
    box-shadow: 0 0 0 0.2rem var(--brand-100);
}
.form-label {
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--ink-soft);
}

/* ---------- Alerts ---------- */
.alert {
    border: none;
    border-radius: var(--bs-border-radius);
}

/* ---------- Login page ---------- */
body.auth-page {
    min-height: 100vh;
    background:
        radial-gradient(1100px 500px at 10% -10%, rgba(99, 91, 255, 0.25), transparent),
        radial-gradient(900px 500px at 100% 0%, rgba(79, 70, 229, 0.25), transparent),
        linear-gradient(160deg, #14163a 0%, #1b1f3b 45%, #2a1f5e 100%);
}
.auth-card {
    border: none;
    border-radius: 1.25rem;
    box-shadow: 0 24px 60px -20px rgba(10, 10, 40, 0.55);
    overflow: hidden;
}
.auth-card .auth-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin: 0 auto 0.75rem;
    box-shadow: 0 10px 24px -8px rgba(79, 70, 229, 0.6);
}

/* ---------- Asset photos ---------- */
.card-asset-photo {
    width: 100%;
    height: 160px;
    object-fit: cover;
    background-color: var(--surface-muted);
}

/* ---------- Scanner ---------- */
#scannerModal .modal-content {
    border-radius: 1rem;
    overflow: hidden;
    border: none;
}
#scannerModal .modal-body {
    padding: 0;
}
#scanner-reader {
    width: 100%;
}
#scanner-reader video {
    width: 100% !important;
}
.scan-result-code {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

/* ---------- Print label ---------- */
@media print {
    .no-print {
        display: none !important;
    }
    body {
        background: #fff;
    }
}
.label-print-box {
    width: 300px;
    border: 1px dashed #999;
    border-radius: 0.75rem;
    padding: 12px;
    text-align: center;
    margin: 0 auto;
}