:root {
  --brand-primary: #12345f;
  --brand-accent: #15b8a6;
  --brand-bg: #f6f8fb;
  --brand-text: #112033;
  --surface: #ffffff;
  --border: #dfe7ef;
  --danger: #b42318;
  --warning: #b54708;
  --success: #027a48;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--brand-text);
  background: var(--brand-bg);
}
a { color: var(--brand-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }
.public-header, .topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.public-header .container, .topbar .container {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -0.02em; }
.brand-mark { width: 40px; height: 40px; border-radius: 14px; background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent)); display: grid; place-items: center; color: #fff; font-weight: 900; }
.nav { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.button, button {
  border: 0; border-radius: 12px; padding: 11px 16px; font-weight: 700; cursor: pointer; background: var(--brand-primary); color: #fff; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.button.secondary, button.secondary { background: #eaf2f8; color: var(--brand-primary); }
.button.ghost { background: transparent; color: var(--brand-primary); }
.hero { padding: 74px 0 52px; background: radial-gradient(circle at top right, rgba(21,184,166,.22), transparent 34%), linear-gradient(135deg, #0f2749, #12345f); color: #fff; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 4.6rem); line-height: .98; max-width: 880px; margin: 0 0 18px; letter-spacing: -0.055em; }
.hero p { font-size: 1.18rem; max-width: 760px; line-height: 1.65; color: rgba(255,255,255,.84); }
.search-card { margin-top: 28px; background: rgba(255,255,255,.12); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.2); padding: 16px; border-radius: 22px; display: grid; grid-template-columns: 1.5fr 1fr auto; gap: 12px; }
input, select, textarea { width: 100%; padding: 12px 13px; border-radius: 12px; border: 1px solid var(--border); font: inherit; background: #fff; }
main.internal { display: grid; grid-template-columns: 260px minmax(0, 1fr); min-height: calc(100vh - 72px); }
.sidebar { background: #0f2749; color: #d9e9f5; padding: 22px; }
.sidebar a { display: block; color: #d9e9f5; padding: 10px 12px; border-radius: 10px; margin-bottom: 4px; }
.sidebar a:hover { background: rgba(255,255,255,.1); text-decoration: none; }
.content { padding: 28px; }
.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 22px; box-shadow: 0 14px 42px rgba(17, 32, 51, .06); }
.card.span-3 { grid-column: span 3; }
.card.span-4 { grid-column: span 4; }
.card.span-6 { grid-column: span 6; }
.card.span-8 { grid-column: span 8; }
.card.span-12 { grid-column: span 12; }
.kpi { font-size: 2rem; font-weight: 800; margin: 4px 0; }
.badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 4px 10px; font-size: .82rem; font-weight: 700; background: #eaf2f8; color: var(--brand-primary); }
.badge.ok { background: #ecfdf3; color: var(--success); }
.badge.warn { background: #fff7ed; color: var(--warning); }
.badge.fail { background: #fef3f2; color: var(--danger); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; color: #55708d; }
.flash { padding: 13px 15px; border-radius: 14px; margin-bottom: 18px; background: #ecfdf3; color: var(--success); border: 1px solid #bbf7d0; }
.flash.error { background: #fef3f2; color: var(--danger); border-color: #fecaca; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.footer { padding: 36px 0; color: #64748b; }
.small { color: #64748b; font-size: .92rem; }

@media (max-width: 860px) {
  .search-card, main.internal, .form-row { grid-template-columns: 1fr; }
  .card.span-3, .card.span-4, .card.span-6, .card.span-8 { grid-column: span 12; }
  .sidebar { order: 2; }
  .content { padding: 18px; }
}

.page-hero { padding: 58px 0 42px; background: linear-gradient(135deg, #0f2749, #12345f); color: #fff; }
.page-hero.compact h1 { font-size: clamp(2rem, 4vw, 3.4rem); margin: 12px 0; letter-spacing: -0.04em; }
.page-hero p { max-width: 820px; color: rgba(255,255,255,.84); line-height: 1.65; }
.page-section { padding: 34px 0; }
.search-card.light { background: #fff; border: 1px solid rgba(255,255,255,.35); }
.course-list { display: grid; gap: 18px; }
.course-card { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 22px; align-items: center; }
.meta-line { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; color: #64748b; font-size: .92rem; }
.meta-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 18px; }
.meta-grid span { background: #f8fafc; border: 1px solid var(--border); border-radius: 14px; padding: 11px 13px; }
.actions-col { display: flex; flex-direction: column; gap: 10px; min-width: 130px; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.button-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.sidebar-label { display: block; color: #8fb9d8; font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; margin: 18px 12px 8px; }
.compact-form { display: grid; gap: 8px; min-width: 230px; }
.check-row { display: flex; gap: 10px; align-items: flex-start; margin: 14px 0; line-height: 1.45; }
.check-row input { width: auto; margin-top: 4px; }
.success-panel { max-width: 860px; margin: 0 auto; }

@media (max-width: 860px) {
  .course-card, .meta-grid, .page-head { grid-template-columns: 1fr; display: grid; }
  .actions-col { flex-direction: row; flex-wrap: wrap; }
}