:root {
    --primary: #2c7be5;
    --primary-dark: #1a68d1;
    --bg: #eef2f7;
    --text: #3b4754;
    --muted: #8a94a6;
    --border: #e3e8ef;
    --danger-bg: #fdecea;
    --danger-text: #c0392b;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

/* ---------- Login ---------- */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-box { width: 100%; max-width: 380px; }

.login-box-body {
    background: #fff;
    border-radius: 10px;
    padding: 32px 28px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .08);
}

.brand {
    margin: 0 0 4px;
    font-size: 22px;
    text-align: center;
    color: var(--primary);
}

.login-box-msg {
    margin: 0 0 22px;
    text-align: center;
    color: var(--muted);
    font-size: 14px;
}

.form-group { margin-bottom: 16px; }

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 11px 13px;
    font-size: 14px;
    border: 1px solid var(--border);
    border-radius: 7px;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(44, 123, 229, .15);
}

.btn {
    display: inline-block;
    cursor: pointer;
    border: none;
    border-radius: 7px;
    font-size: 14px;
    font-weight: 600;
    padding: 11px 16px;
    text-decoration: none;
    transition: background .15s;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-light { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn-light:hover { background: #f3f6fb; }

.alert {
    padding: 11px 13px;
    border-radius: 7px;
    font-size: 13px;
    margin-bottom: 16px;
}

.alert-danger { background: var(--danger-bg); color: var(--danger-text); }

.foot-note {
    margin: 22px 0 0;
    text-align: center;
    font-size: 12px;
    color: var(--muted);
}

/* ---------- Dashboard ---------- */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fff;
    padding: 14px 24px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, .06);
}

.topbar-brand { font-weight: 700; color: var(--primary); }

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}

.role-badge {
    background: var(--bg);
    color: var(--muted);
    padding: 3px 9px;
    border-radius: 20px;
    font-size: 12px;
    text-transform: capitalize;
}

.content { max-width: 900px; margin: 30px auto; padding: 0 24px; }

.card {
    background: #fff;
    border-radius: 10px;
    padding: 22px 24px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, .05);
    margin-top: 18px;
}

.kv { border-collapse: collapse; width: 100%; }
.kv th, .kv td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.kv th { width: 140px; color: var(--muted); font-weight: 600; }

/* ---------- App shell (sidebar + main) ---------- */
.app { display: flex; min-height: 100vh; }

.sidebar {
    width: 230px;
    flex-shrink: 0;
    background: #1f2a3d;
    color: #c7d0dd;
    padding: 0 0 24px;
}

.sidebar-brand {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    padding: 18px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    margin-bottom: 8px;
}

.nav-group {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: #6b7891;
    padding: 14px 20px 6px;
}

.nav-link {
    display: block;
    padding: 9px 20px;
    color: #c7d0dd;
    text-decoration: none;
    font-size: 14px;
    border-left: 3px solid transparent;
}

.nav-link:hover { background: rgba(255, 255, 255, .05); color: #fff; }
.nav-link.active {
    background: rgba(44, 123, 229, .18);
    color: #fff;
    border-left-color: var(--primary);
}

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

.main .topbar { padding: 14px 28px; }
.page-title { font-weight: 700; font-size: 16px; }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs { font-size: 13px; margin-bottom: 16px; color: var(--muted); }
.breadcrumbs a { color: var(--primary); text-decoration: none; }
.breadcrumbs a:hover { text-decoration: underline; }
.breadcrumbs .sep { margin: 0 7px; color: #c2cad6; }
.breadcrumbs .current { color: var(--text); font-weight: 600; }

/* ---------- Toolbar ---------- */
.toolbar { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.muted { color: var(--muted); font-size: 13px; }

/* ---------- Data tables ---------- */
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th, .data-table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.data-table th { color: var(--muted); font-weight: 600; background: #fafbfc; }
.data-table tbody tr:hover { background: #f7f9fc; }
.data-table .empty { text-align: center; color: var(--muted); padding: 26px; }
.actions-col { white-space: nowrap; text-align: right; }

.inline-form { display: inline; }
.btn-danger { background: var(--danger-text); color: #fff; }
.btn-danger:hover { background: #a93226; }

.form-actions { margin-top: 18px; display: flex; gap: 10px; }

/* ---------- Dashboard ---------- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 16px;
    margin: 22px 0;
}
.stat-card {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    text-decoration: none;
    color: var(--text);
    box-shadow: 0 4px 14px rgba(0, 0, 0, .05);
    transition: transform .12s, box-shadow .12s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0, 0, 0, .08); }
.stat-value { font-size: 30px; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 13px; color: var(--muted); margin-top: 4px; }

.flow-steps { margin: 0; padding-left: 20px; line-height: 1.9; font-size: 14px; }
.flow-steps li { margin-bottom: 4px; }

/* ---------- Badges ---------- */
.badge {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.badge-warn   { background: #fff3cd; color: #8a6d3b; }
.badge-info   { background: #dbeafe; color: #1d4ed8; }
.badge-ok     { background: #d1f2e1; color: #1a7a4c; }
.badge-danger { background: var(--danger-bg); color: var(--danger-text); }

/* ---------- Inline cell inputs ---------- */
.cell-input { width: 90px; padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; }
.card + .card { margin-top: 18px; }

/* ---------- Language switcher ---------- */
.lang-switch { display: inline-flex; gap: 2px; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.lang-link {
    padding: 4px 10px;
    font-size: 12px;
    text-decoration: none;
    color: var(--muted);
    background: #fff;
}
.lang-link:hover { background: #f3f6fb; }
.lang-link.active { background: var(--primary); color: #fff; }
.login-lang { margin-bottom: 16px; }

/* Khmer typography: prefer a Khmer-aware font when the page is in Khmer. */
.lang-kh,
.lang-kh .form-control,
.lang-kh .btn,
.lang-kh .data-table {
    font-family: "Noto Sans Khmer", "Khmer OS", "Battambang", -apple-system, "Segoe UI", Roboto, sans-serif;
}
.lang-kh { line-height: 1.6; }

@media (max-width: 720px) {
    .app { flex-direction: column; }
    .sidebar { width: 100%; }
}