:root {
  color-scheme: light;
  --bg: #f6f7fb;
  --surface: #ffffff;
  --text: #1a1f36;
  --muted: #5f6b85;
  --line: #dbe0ea;
  --brand: #4f46e5;
  --brand-soft: #eef0ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #eef2ff 0%, var(--bg) 260px);
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 24px;
  box-shadow: 0 12px 40px rgba(79, 70, 229, 0.08);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--brand);
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 5vw, 44px);
}

.hero-copy {
  margin: 12px 0 0;
  color: var(--muted);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 12px;
  min-width: 260px;
}

.hero-stats div,
.toolbar,
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.hero-stats div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 16px;
}

.hero-stats span {
  font-size: 28px;
  font-weight: 800;
}

.hero-stats small {
  margin-top: 6px;
  color: var(--muted);
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(180px, 0.8fr);
  gap: 16px;
  margin-top: 20px;
  padding: 18px;
}

.toolbar label,
.search {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-weight: 600;
}

input,
select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  font: inherit;
}

.status {
  margin-top: 18px;
  color: var(--muted);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.tag-button,
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 14px;
}

.tag-button.active {
  background: var(--brand-soft);
  color: var(--brand);
  border-color: rgba(79, 70, 229, 0.22);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.card {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 240px;
}

.card-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.card-category {
  margin: 0 0 8px;
  color: var(--brand);
  font-weight: 700;
  font-size: 14px;
}

.card-title {
  margin: 0;
  font-size: 20px;
}

.card-description {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.card-meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
}

.card-date,
.card-size {
  color: var(--muted);
  font-size: 14px;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.card-actions {
  display: flex;
  justify-content: flex-end;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 88px;
  padding: 10px 16px;
  border-radius: 12px;
  font-weight: 700;
  text-decoration: none;
}

.button-primary {
  background: var(--brand);
  color: #fff;
}

.empty-state {
  padding: 28px;
  border: 1px dashed var(--line);
  border-radius: 18px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.7);
}

@media (max-width: 800px) {
  .hero,
  .toolbar {
    grid-template-columns: 1fr;
    display: grid;
  }

  .hero-stats {
    min-width: 0;
  }
}