/* Staff area (/admin) styles */
:root {
    --bg: #f4f6f8;
    --panel: #ffffff;
    --text: #1f2933;
    --muted: #616e7c;
    --border: #d9e2ec;
    --accent: #1f6feb;
    --accent-dark: #1a5fcc;
    --danger-bg: #fde8e8;
    --danger-text: #9b1c1c;
    --success-bg: #e3f9e5;
    --success-text: #1f6b2c;
}
* { box-sizing: border-box; }
body.admin {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.5 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent); }
h1 { font-size: 1.5rem; margin: 0 0 .75rem; }
.muted { color: var(--muted); }

/* Top bar */
.admin-topbar {
    display: flex; align-items: center; justify-content: space-between;
    height: 56px; padding: 0 20px;
    background: #102a43; color: #fff;
}
.admin-brand { color: #fff; font-weight: 700; font-size: 1.1rem; text-decoration: none; }
.admin-brand span { font-weight: 400; opacity: .7; }
.admin-user { display: flex; align-items: center; gap: 12px; font-size: .9rem; }
.admin-user .btn-link { color: #bcccdc; }

/* Shell */
.admin-shell { display: flex; min-height: calc(100vh - 56px); }
.admin-nav {
    width: 210px; flex-shrink: 0; padding: 16px 10px;
    background: var(--panel); border-right: 1px solid var(--border);
    display: flex; flex-direction: column; gap: 2px;
}
.admin-nav a, .admin-nav span {
    display: block; padding: 8px 12px; border-radius: 6px;
    color: var(--text); text-decoration: none;
}
.admin-nav a:hover { background: var(--bg); }
.admin-nav a.active { background: #e6f0ff; color: var(--accent); font-weight: 600; }
.admin-nav .disabled { color: #9aa5b1; cursor: default; }
.admin-main { flex: 1; padding: 24px 28px; min-width: 0; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; margin: 18px 0; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 16px; }
.card-label { color: var(--muted); font-size: .85rem; }
.card-value { font-size: 1.8rem; font-weight: 700; margin-top: 4px; }

/* Buttons & forms */
.btn {
    display: inline-block; padding: 9px 16px; border-radius: 6px; border: 1px solid transparent;
    font: inherit; cursor: pointer; text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-link { background: none; border: none; padding: 0; color: var(--accent); text-decoration: underline; }
.btn-block { display: block; width: 100%; }
.input { margin-bottom: 14px; }
.input label { display: block; font-weight: 600; margin-bottom: 4px; font-size: .9rem; }
.input input, .input select, .input textarea, .toolbar input, .toolbar select {
    width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 6px; font: inherit;
    background: #fff; color: var(--text);
}
.input textarea { resize: vertical; }
.input input:focus, .input select:focus, .input textarea:focus, .toolbar input:focus, .toolbar select:focus {
    outline: 2px solid #b3d4ff; border-color: var(--accent);
}
.input.checkbox label { display: flex; align-items: center; gap: 8px; font-weight: 400; margin-top: 28px; }
.input.checkbox input { width: auto; }
.input.error input, .input.error select, .input.error textarea { border-color: var(--danger-text); }
.error-message { color: var(--danger-text); font-size: .85rem; margin-top: 4px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; column-gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr 70px; gap: 10px; }
.form-actions { display: flex; align-items: center; gap: 16px; margin-top: 8px; }
.form-panel { max-width: 820px; }
.form-panel h2 { margin-top: 22px; }
.btn-secondary { background: #fff; border-color: var(--border); color: var(--text); }
.btn-secondary:hover { background: var(--bg); }
.btn-small { padding: 5px 10px; font-size: .85rem; }
.danger-link { color: var(--danger-text); }

/* Page structure */
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
h3 { font-size: .95rem; margin: 1rem 0 .4rem; }
.small { font-size: .85rem; }
.crumbs { margin: 0 0 4px; font-size: .9rem; color: var(--muted); }
.crumbs a { text-decoration: none; }
.page-head, .section-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.page-head h1, .section-head h2 { margin: 0; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; margin-bottom: 18px; overflow-x: auto; }
.panel-pad { padding: 18px 20px; }
.columns { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
.columns .panel { margin-bottom: 0; }
.columns + .panel { margin-top: 18px; }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 14px; }
.toolbar input[type=search] { flex: 1; min-width: 220px; width: auto; }
.toolbar select { width: auto; }

/* Tables */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 10px 14px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.table th { font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); background: #fafbfc; }
.table th a { color: inherit; text-decoration: none; }
.table th a.asc::after { content: " ▲"; }
.table th a.desc::after { content: " ▼"; }
.table tbody tr:hover { background: #fafcff; }
.table tbody tr:last-child td { border-bottom: none; }
.table .empty { text-align: center; padding: 28px; }

/* Details, badges, contacts */
.details { display: grid; grid-template-columns: 130px 1fr; gap: 6px 14px; margin: 0; }
.details dt { color: var(--muted); font-size: .9rem; }
.details dd { margin: 0; }
.notes { white-space: normal; background: #fffbea; border: 1px solid #f7e3a1; border-radius: 6px; padding: 10px 12px; }
.badge {
    display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: .75rem; font-weight: 600;
    background: #e6f0ff; color: var(--accent); vertical-align: middle;
}
.badge-active { background: var(--success-bg); color: var(--success-text); }
.badge-inactive { background: #f0f4f8; color: var(--muted); }
.badge-closed { background: var(--danger-bg); color: var(--danger-text); }
.contact { padding: 10px 0; border-top: 1px solid var(--border); }
.contact:first-of-type { border-top: none; }
.contact-name { font-weight: 600; }
.contact-lines { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 2px; }
.contact-actions { display: flex; gap: 14px; margin-top: 4px; }

/* Pager */
.pager { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.pager ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.pager li a, .pager li.active a, .pager li.disabled a {
    display: block; padding: 5px 10px; border: 1px solid var(--border); border-radius: 5px;
    background: #fff; text-decoration: none; font-size: .9rem;
}
.pager li.active a { background: var(--accent); border-color: var(--accent); color: #fff; }
.pager li.disabled a { color: #9aa5b1; pointer-events: none; }

/* Flash messages */
.message { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; cursor: pointer; }
.message.error { background: var(--danger-bg); color: var(--danger-text); }
.message.success { background: var(--success-bg); color: var(--success-text); }
.message.hidden { display: none; }

/* Sign-in page */
body.admin-login { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card {
    width: 100%; max-width: 380px; background: var(--panel);
    border: 1px solid var(--border); border-radius: 10px; padding: 28px;
}
.login-card .admin-brand { color: var(--text); display: block; margin-bottom: 18px; }
.login-card h1 { font-size: 1.2rem; }

@media (max-width: 760px) {
    .admin-shell { flex-direction: column; }
    .admin-nav { width: auto; flex-direction: row; flex-wrap: wrap; border-right: none; border-bottom: 1px solid var(--border); }
    .admin-main { padding: 18px 16px; }
    .columns, .form-grid { grid-template-columns: 1fr; }
    .input.checkbox label { margin-top: 0; }
}