:root {
  --bg: #fcfcfa;
  --panel: #ffffff;
  --line: #111111;
  --muted: #5d5d5b;
  --text: #111111;
  --accent: #1c3f92;
  --card-muted-bg: #f4f4f1;
  --backdrop: rgba(17, 17, 17, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Geist", sans-serif;
  min-height: 100vh;
  transition: background-color 260ms ease, color 260ms ease;
}

body.theme-dark {
  --bg: #101010;
  --panel: #161616;
  --line: #f0f0ee;
  --muted: #b3b3ae;
  --text: #f7f7f4;
  --accent: #8fb3ff;
  --card-muted-bg: #202020;
  --backdrop: rgba(4, 4, 4, 0.58);
}

.bg-gradient {
  display: none;
}

.app-shell {
  width: min(1240px, calc(100vw - 3rem));
  margin: 2.5rem auto 4rem;
}

.topbar {
  margin-bottom: 1.5rem;
}

.topbar h1 {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  line-height: 0.96;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.controls {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 0.85rem;
}

#searchInput {
  flex: 1 1 20rem;
  min-width: 16rem;
  height: 3rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--text);
  padding: 0 1rem;
  font-family: "Geist Mono", monospace;
  font-size: 0.84rem;
  transition: background-color 200ms ease, color 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

#searchInput:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 35%, transparent);
}

.preview-mode {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  overflow: hidden;
  transition: border-color 200ms ease, background-color 200ms ease;
}

.mode-btn {
  height: 3rem;
  padding: 0 0.95rem;
  border: 0;
  border-left: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-family: "Geist Mono", monospace;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease;
}

.mode-btn:first-child {
  border-left: 0;
}

.mode-btn.is-active {
  background: var(--line);
  color: var(--bg);
}

.count-label {
  margin: 0 0 1.1rem;
  color: var(--muted);
  font-family: "Geist Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

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

.site-card {
  min-width: 0;
}

.card-btn {
  all: unset;
  width: 100%;
  display: block;
  cursor: pointer;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  transition: transform 180ms ease, background-color 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.card-btn:hover,
.card-btn:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 18px 36px -28px rgba(0, 0, 0, 0.45);
}

.card-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.preview-frame {
  aspect-ratio: 16 / 10;
  background: var(--card-muted-bg);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.preview-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 380ms ease, filter 260ms ease;
}

.card-btn:hover .preview-image,
.card-btn:focus-visible .preview-image {
  transform: scale(1.03);
  filter: contrast(1.02);
}

.card-footer {
  padding: 0.95rem 0.95rem 1rem;
}

.site-name {
  margin: 0;
  font-size: 1.38rem;
  line-height: 1;
  font-weight: 600;
}

.site-url {
  margin: 0.5rem 0 0;
  font-family: "Geist Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.md-dialog {
  width: min(1200px, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
  color: var(--text);
}

.md-dialog::backdrop {
  background: var(--backdrop);
}

.dialog-card {
  background: var(--panel);
  animation: dialog-pop 220ms ease;
}

.dialog-header {
  padding: 1.1rem 1rem;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.9rem;
}

.dialog-header h2 {
  margin: 0.15rem 0 0;
  font-size: 2rem;
  line-height: 1;
}

.dialog-slug {
  margin: 0;
  color: var(--muted);
  font-family: "Geist Mono", monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.dialog-actions {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.ghost-btn,
.primary-btn {
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  padding: 0.5rem 0.7rem;
  font-family: "Geist Mono", monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: transform 140ms ease, background-color 200ms ease, color 200ms ease, border-color 200ms ease;
}

.ghost-btn:hover,
.primary-btn:hover {
  transform: translateY(-1px);
}

.primary-btn {
  background: var(--line);
  color: var(--bg);
}

.md-text {
  margin: 0;
  padding: 1.1rem;
  max-height: min(62vh, 840px);
  overflow: auto;
  background: var(--panel);
  color: var(--text);
  font-family: "Geist Mono", monospace;
  font-size: 0.8rem;
  line-height: 1.55;
  transition: background-color 220ms ease, color 220ms ease;
}

.site-card.animate-in {
  opacity: 0;
  transform: translateY(16px);
  animation: card-in 460ms cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
  animation-delay: var(--stagger, 0ms);
}

@keyframes card-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes dialog-pop {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.992);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 800px) {
  .app-shell {
    width: calc(100vw - 1.2rem);
    margin: 1.2rem auto 2.6rem;
  }

  .topbar {
    margin-bottom: 1rem;
  }

  .topbar h1 {
    font-size: 2.4rem;
  }

  .dialog-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .ghost-btn,
  .primary-btn {
    text-align: center;
  }
}