:root {
  --bg: #f8f9fb;
  --surface: #ffffff;
  --line: #d8dde6;
  --text: #223047;
  --muted: #5c6a82;
  --brand: #0a5bd3;
  --brand-dark: #0849aa;
  --radius: 12px;
  --shadow: 0 4px 14px rgba(16, 24, 40, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.topbar {
  background: #1e293b;
  color: #fff;
  border-bottom: 1px solid #111827;
}

.topbar-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.brand {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand span {
  color: #93c5fd;
  font-weight: 500;
}

.quick-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.quick-links a {
  color: #e2e8f0;
  text-decoration: none;
  border: 1px solid #334155;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 13px;
}

.layout {
  max-width: 1300px;
  margin: 0 auto;
  padding: 22px 20px 36px;
}

.headline {
  margin-bottom: 18px;
}

.headline h1 {
  margin: 0;
  font-size: 30px;
  letter-spacing: -0.2px;
}

.headline p {
  margin: 6px 0 0;
  color: var(--muted);
  max-width: 900px;
  line-height: 1.5;
}

.toolbar {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.toolbar-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.toolbar input {
  flex: 1;
  min-width: 240px;
  border: 1px solid #c5cedc;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
}

.toolbar button {
  border: 1px solid #c5cedc;
  background: #fff;
  color: #334155;
  border-radius: 999px;
  padding: 7px 11px;
  font-size: 13px;
  cursor: pointer;
}

.toolbar button.active {
  background: #dbeafe;
  color: var(--brand-dark);
  border-color: #93c5fd;
  font-weight: 600;
}

.count {
  margin-left: auto;
  color: var(--muted);
  font-size: 13px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 14px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  min-height: 210px;
}

.card-head {
  background: linear-gradient(135deg, #eff6ff, #e0ecff);
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
  font-size: 12px;
  color: #274c8e;
  font-weight: 600;
  letter-spacing: 0.1px;
}

.card-body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.card-title {
  margin: 0;
  font-size: 18px;
  line-height: 1.35;
}

.card-desc {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
  font-size: 14px;
  flex: 1;
}

.tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tag {
  font-size: 11px;
  padding: 4px 7px;
  border-radius: 999px;
  border: 1px solid #cfd8e7;
  color: #41526f;
  background: #f8fafc;
}

.card-actions a {
  display: inline-block;
  text-decoration: none;
  color: #fff;
  background: var(--brand);
  border-radius: 8px;
  padding: 9px 12px;
  font-weight: 600;
  font-size: 14px;
}

.card-actions a:hover {
  background: var(--brand-dark);
}

.empty {
  padding: 28px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed #bcc8da;
  border-radius: var(--radius);
  background: #fff;
}