@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;600;700&display=swap");

:root {
  color-scheme: dark;
  --ink: #f4f4f2;
  --muted: #a7a7a7;
  --accent: #7ad1ff;
  --accent-strong: #f2c35b;
  --panel: #111111;
  --panel-strong: #1a1a1a;
  --border: #2a2a2a;
  --shadow: 0 18px 30px rgba(0, 0, 0, 0.35);
  --shadow-soft: 0 10px 20px rgba(0, 0, 0, 0.25);
  --radius: 8px;
  --font-title: "DM Sans", "Segoe UI", sans-serif;
  --font-body: "DM Sans", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: #0b0b0b;
  min-height: 100vh;
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px 48px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.topbar {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
}

.topbar__title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar__badge {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--accent);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.topbar h1 {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(24px, 3vw, 34px);
  color: var(--ink);
}

.topbar__lead {
  margin: 0;
  color: var(--muted);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
  padding: 16px;
  border: 1px solid var(--border);
  background: var(--panel-strong);
}

.toolbar__filters {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 240px;
}

.toolbar__note {
  color: var(--muted);
  font-size: 13px;
  border-left: 1px solid var(--border);
  padding-left: 16px;
  max-width: 260px;
}

.filters__label {
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--accent);
}

.filters__buttons {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.filter-btn {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  font-weight: 600;
  color: var(--ink);
  background: #141414;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: none;
}

.filter-btn:hover,
.filter-btn:focus-visible {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 14px 24px rgba(27, 27, 43, 0.2);
}

.filter-btn.is-active {
  outline: 2px solid var(--accent);
  background: #0f1418;
  color: var(--accent);
}

.results {
  display: flex;
  flex-direction: column;
  gap: 16px;
  border: 1px solid var(--border);
  padding: 18px;
  background: var(--panel);
}

.results__header h2 {
  margin: 0;
  font-size: 24px;
  color: var(--ink);
}

.results__header p {
  margin: 4px 0 0;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
}

.card {
  border-radius: var(--radius);
  padding: 20px;
  background: #121212;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(12px) scale(0.98);
  animation: floatIn 0.6s ease forwards;
  animation-delay: var(--delay, 0ms);
  color: var(--ink);
}

.card__content {
  position: relative;
  z-index: 1;
}

.card h3 {
  margin: 0 0 6px;
  font-size: 20px;
  color: var(--accent-strong);
}

.card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.card li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #0f0f0f;
  border: 1px solid #1f1f1f;
  border-radius: 6px;
  padding: 8px 10px;
  font-weight: 600;
  color: var(--ink);
}

.tag {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 4px;
  background: #0b0b0b;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

@keyframes floatIn {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.code {
  font-family: "Courier New", monospace;
  background: rgba(122, 209, 255, 0.15);
  padding: 2px 6px;
  border-radius: 8px;
}

@media (max-width: 700px) {
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar__note {
    border-left: 0;
    border-top: 1px solid var(--border);
    padding-left: 0;
    padding-top: 12px;
    max-width: none;
  }

  .filters__buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}