:root {
  --bg: #f3f5f7;
  --card: #ffffff;
  --text: #213547;
  --muted: #667789;
  --line: #d7dde4;
  --nav: #1f2c37;
  --nav-active: #324759;
  --primary: #2f6cb0;
  --primary-dark: #25578f;
  --danger: #b14d4d;
  --shadow: 0 10px 24px rgba(28, 43, 58, 0.08);
  --radius: 18px;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; background: var(--bg); color: var(--text); }
a { color: inherit; text-decoration: none; }
.site-shell { min-height: 100vh; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 24px; background: var(--card); box-shadow: var(--shadow); position: sticky; top: 0; z-index: 10; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-icon { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: #f0a441; font-size: 24px; }
.brand-title { font-size: 1.2rem; font-weight: 700; }
.brand-subtitle { color: var(--muted); font-size: .9rem; }
.topbar-center { color: var(--muted); }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.user-block { display: flex; flex-direction: column; align-items: flex-end; }
.user-block span { color: var(--muted); font-size: .9rem; }
.nav-tabs { display: flex; flex-wrap: wrap; gap: 8px; padding: 10px 24px; background: var(--nav); }
.nav-link { color: #d8e1e8; padding: 10px 14px; border-radius: 999px; font-size: .95rem; }
.nav-link.active, .nav-link:hover { background: var(--nav-active); color: #fff; }
.page-wrap { padding: 24px; max-width: 1450px; margin: 0 auto; }
.hero-card, .content-card, .metric-card, .login-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); }
.hero-card { padding: 24px; display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 20px; }
.hero-card h1 { margin: 0 0 8px; font-size: 2rem; }
.hero-card p { margin: 0; color: var(--muted); max-width: 760px; }
.hero-date { color: var(--muted); font-weight: 700; }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 20px; }
.metric-card { padding: 18px; }
.metric-card span { display: block; color: var(--muted); margin-bottom: 10px; }
.metric-card strong { font-size: 2rem; }
.dashboard-grid, .two-col-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.content-card { padding: 20px; margin-bottom: 18px; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; }
.card-head h2 { margin: 0; font-size: 1.15rem; }
.form-card { margin-bottom: 20px; }
.entity-form { display: block; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 16px; }
.compact-only { grid-template-columns: 1fr; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label { font-weight: 700; font-size: .92rem; }
input, select, textarea, button { font: inherit; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 12px; padding: 11px 12px; background: #fff; }
textarea { min-height: 100px; resize: vertical; }
.check-row { display: flex; align-items: center; gap: 8px; font-weight: 400 !important; }
.check-row input { width: auto; }
.checklist { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 12px; border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.form-actions { display: flex; gap: 10px; margin-top: 18px; }
button, .ghost-btn, .danger-btn { border: 0; border-radius: 999px; padding: 11px 16px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
button { background: var(--primary); color: #fff; }
button:hover { background: var(--primary-dark); }
.ghost-btn { background: #edf2f7; color: var(--text); }
.danger-btn { background: #f7e1e1; color: #7f2d2d; }
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.data-table th { color: var(--muted); font-size: .9rem; }
.actions-cell { display: flex; flex-wrap: wrap; gap: 8px; }
.actions-cell form { margin: 0; }
.muted { color: var(--muted); }
.mini-list { display: grid; gap: 10px; }
.mini-item { padding: 12px 14px; border: 1px solid var(--line); border-radius: 14px; display: flex; flex-direction: column; gap: 4px; }
.flash { background: #e8f2fb; border: 1px solid #c6def4; color: #234; padding: 12px 14px; border-radius: 14px; margin-bottom: 16px; }
.flash.error { background: #fdeaea; border-color: #efc2c2; color: #7e2e2e; }
.login-body { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(180deg, #eff4f8, #dfe8ef); }
.login-card { width: min(430px, 92vw); padding: 32px; }
.login-card h1 { margin: 0 0 8px; font-size: 2rem; }
.login-card p { color: var(--muted); }
.login-icon { width: 68px; height: 68px; display: grid; place-items: center; border-radius: 20px; background: #f0a441; font-size: 30px; margin-bottom: 18px; }
.login-form { display: grid; gap: 10px; margin-top: 16px; }
.small { font-size: .9rem; }
.full-width { width: 100%; }
.stack-buttons { display: grid; gap: 12px; margin-bottom: 16px; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.compact-card { align-self: start; }
@media (max-width: 1100px) {
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dashboard-grid, .two-col-layout { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .topbar { flex-direction: column; align-items: flex-start; }
  .topbar-right, .topbar-center { width: 100%; justify-content: space-between; }
  .page-wrap { padding: 14px; }
  .form-grid, .checklist, .metric-grid { grid-template-columns: 1fr; }
  .hero-card { padding: 18px; }
  .hero-card h1 { font-size: 1.5rem; }
  .nav-tabs { padding: 10px 14px; }
}