:root {
  color-scheme: light;
  --bg: #f7f8f4;
  --panel: #ffffff;
  --text: #1f2a2e;
  --muted: #5b6b72;
  --accent: #0f8b8d;
  --accent-strong: #0a6f71;
  --border: #d9e0e3;
  --ring: #83c7c8;
  font-family: "Atkinson Hyperlegible", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top right, #e7f2ef, var(--bg));
  color: var(--text);
}

.app {
  min-height: 100vh;
  max-width: 980px;
  margin: 0 auto;
  padding: 16px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 2;
  background: color-mix(in srgb, var(--bg) 85%, white 15%);
  backdrop-filter: blur(6px);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}

.topbar h1 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

#search-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

#query,
#search-form button,
.load-more {
  border: 1px solid var(--border);
  border-radius: 10px;
  font: inherit;
  padding: 10px 12px;
}

#query:focus-visible,
#search-form button:focus-visible,
.gif-card:focus-visible,
.load-more:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 1px;
}

#search-form button,
.load-more {
  background: var(--accent);
  color: white;
  border-color: var(--accent-strong);
  cursor: pointer;
}

.hint {
  margin: 14px 2px;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}

.gif-card {
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  overflow: hidden;
  cursor: pointer;
}

.gif-card:hover {
  transform: translateY(-1px);
}

.gif-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 1 / 1;
}

.load-more {
  margin: 16px auto;
  display: block;
}

@media (max-width: 640px) {
  .app {
    padding: 10px;
  }

  .grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }
}