:root {
  --navy: #1e2a5e;
  --blue: #3b5bdb;
  --blue-light: #eef1fd;
  --border: #e1e5f0;
  --text: #1c1f2e;
  --muted: #6b7280;
  --danger: #d64545;
  --success: #1f9d55;
  --radius: 12px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: #f7f8fc;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Login */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: #f7f8fc; }
.login-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 40px; width: 340px; text-align: center; box-shadow: 0 8px 30px rgba(30,42,94,0.08); }
.login-card input { width: 100%; padding: 10px 12px; margin: 16px 0; border: 1px solid var(--border); border-radius: 8px; font-size: 15px; }
.login-card button { width: 100%; padding: 10px; background: var(--blue); color: #fff; border: none; border-radius: 8px; font-size: 15px; cursor: pointer; }
.hint { color: var(--muted); font-size: 13px; }
.error { color: var(--danger); font-size: 14px; }
.success { color: var(--success); font-size: 14px; }

/* Brand mark */
.brand-mark { display: flex; align-items: center; justify-content: center; gap: 10px; }
.brand-mark.small { justify-content: flex-start; }
.brand-mark h1 { font-size: 26px; color: var(--navy); margin: 8px 0 0; }
.grid-icon { display: inline-grid; grid-template-columns: 1fr 1fr; gap: 3px; width: 22px; height: 22px; }
.grid-icon span { background: var(--blue); border-radius: 3px; }
.tagline { color: var(--muted); font-size: 13px; margin-top: 4px; }

/* Top nav */
.topbar { display: flex; align-items: center; justify-content: space-between; background: #fff; border-bottom: 1px solid var(--border); padding: 12px 24px; position: sticky; top: 0; z-index: 10; }
.topbar strong { color: var(--navy); font-size: 16px; }
.topnav a { margin-left: 18px; color: var(--text); font-size: 14px; font-weight: 500; }
.topnav a.logout { color: var(--danger); }

.page { max-width: 1100px; margin: 0 auto; padding: 28px 24px 60px; }
.page-title { font-size: 24px; color: var(--navy); margin-bottom: 4px; }
.subtitle { color: var(--muted); margin-top: 0; }
.footer { text-align: center; color: var(--muted); font-size: 12px; padding: 24px; }

/* Dashboard pillars */
.pillar-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-top: 20px; }
.pillar { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; display: block; transition: box-shadow .15s, transform .15s; }
.pillar:hover { box-shadow: 0 10px 24px rgba(30,42,94,0.1); transform: translateY(-2px); text-decoration: none; }
.pillar-icon { font-size: 26px; }
.pillar h2 { margin: 8px 0 2px; color: var(--navy); font-size: 18px; }
.pillar-stat { color: var(--blue); font-size: 13px; font-weight: 600; margin-bottom: 10px; }
.pillar-sub { list-style: none; padding: 0; margin: 0; color: var(--muted); font-size: 12px; }
.pillar-sub li { padding: 2px 0; }

/* Cards / forms */
.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; margin-bottom: 20px; }
.card h2 { font-size: 15px; color: var(--navy); margin: 0 0 12px; }
.card h2:not(:first-child) { margin-top: 22px; }
.form label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.form input, .form select, .form textarea { width: 100%; padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; margin-top: 4px; font-family: inherit; }
.form-actions { margin-top: 18px; }
button, .btn, .btn-secondary { cursor: pointer; font-family: inherit; }
button[type="submit"], .btn { background: var(--blue); color: #fff; border: none; padding: 10px 18px; border-radius: 8px; font-size: 14px; font-weight: 600; }
.btn-secondary { background: var(--blue-light); color: var(--blue); border: none; padding: 9px 16px; border-radius: 8px; font-size: 13px; font-weight: 600; display: inline-block; }
.link-btn { background: none; border: none; color: var(--blue); text-decoration: underline; font-size: 13px; padding: 0; }

.cat-select { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 8px; }
.cat-radio { display: flex; align-items: center; gap: 6px; background: var(--blue-light); padding: 8px 14px; border-radius: 8px; font-size: 13px; }
.measure-block { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 10px; }
.measure-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 8px; font-size: 14px; }

.cat-rows, #cat-rows { display: flex; flex-direction: column; gap: 8px; margin-bottom: 10px; }
.cat-row { display: flex; gap: 8px; align-items: center; }
.cat-row input { flex: 1; padding: 8px; border: 1px solid var(--border); border-radius: 6px; }
.cat-row .remove-row { background: none; border: none; color: var(--danger); font-size: 16px; }

/* Toolbar */
.toolbar { display: flex; align-items: center; justify-content: space-between; margin: 16px 0 20px; flex-wrap: wrap; gap: 10px; }
.filter-form { display: flex; gap: 8px; }
.filter-form input, .filter-form select { padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; }
.inline-form { display: flex; gap: 8px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.inline-form select, .inline-form input { padding: 8px; border: 1px solid var(--border); border-radius: 6px; }

/* Tables */
.data-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }
.data-table th, .data-table td { text-align: left; padding: 10px 14px; font-size: 13px; border-bottom: 1px solid var(--border); }
.data-table th { background: var(--blue-light); color: var(--navy); font-weight: 600; }
.row-actions a { margin-right: 10px; font-size: 12px; }
.empty { color: var(--muted); text-align: center; padding: 20px; }
.empty.small { font-size: 12px; padding: 10px 0; }

.badge { background: var(--blue-light); color: var(--blue); padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge.urgent { background: #fdeaea; color: var(--danger); }
.badge.paid { background: #e6f7ec; color: var(--success); }
.badge.unpaid { background: #fdeaea; color: var(--danger); }

/* Kanban */
.kanban { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 10px; }
.kanban-col { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; min-width: 220px; flex: 1; }
.kanban-col h3 { font-size: 13px; color: var(--navy); display: flex; justify-content: space-between; margin: 0 0 10px; }
.kanban-col .count { color: var(--muted); font-weight: 400; }
.kanban-card { display: flex; flex-direction: column; gap: 2px; background: var(--blue-light); border-radius: 8px; padding: 10px; margin-bottom: 8px; font-size: 13px; color: var(--text); }
.kanban-card:hover { text-decoration: none; box-shadow: 0 4px 10px rgba(30,42,94,0.1); }
.kanban-card small { color: var(--muted); }
.kanban-card.urgent { background: #fdeaea; }
.kanban-card .flag { font-size: 11px; color: var(--danger); font-weight: 700; }

.two-col { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; align-items: start; }
.backup-file-list { list-style: none; padding: 0; }
.backup-file-list li { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.history-list { list-style: none; padding: 0; font-size: 13px; color: var(--muted); }
.notes { font-size: 13px; color: var(--muted); margin-top: 10px; }

@media (max-width: 700px) {
  .two-col { grid-template-columns: 1fr; }
  .topnav a { margin-left: 10px; font-size: 12px; }
}