:root {
  --bg: #0b0c10;
  --surface: #14161d;
  --surface-2: #1c1f29;
  --border: #262a36;
  --text: #e8eaf0;
  --muted: #8b90a0;
  --accent: #7c5cff;
  --accent-2: #00e0ff;
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: "Inter", "Helvetica Neue", Arial, sans-serif; }

.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 18px 32px;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand h1 { font-size: 18px; margin: 0; letter-spacing: -0.01em; }
.brand p { margin: 2px 0 0; font-size: 12px; color: var(--muted); }
.logo-mark {
  width: 34px; height: 34px; border-radius: 9px; flex: none;
  background: conic-gradient(from 210deg, var(--accent), var(--accent-2), var(--accent));
}
#search {
  width: min(420px, 40vw); padding: 11px 16px;
  border-radius: 999px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font-size: 14px; outline: none;
}
#search:focus { border-color: var(--accent); }

.category-bar { display: flex; flex-wrap: wrap; gap: 8px; padding: 16px 32px 4px; }
.chip {
  padding: 7px 14px; border-radius: 999px; cursor: pointer; user-select: none;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--muted); font: inherit; font-size: 13px;
  appearance: none;
}
.chip:hover { color: var(--text); border-color: var(--muted); }
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.chip:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }

.load-error {
  margin: 12px 32px 0; padding: 10px 13px; border: 1px solid #8f3944;
  border-radius: 9px; background: rgba(143, 57, 68, 0.16); color: #ffb8c0;
  font-size: 13px;
}

.grid {
  display: grid; gap: 18px; padding: 22px 32px 48px;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; cursor: pointer; transition: transform 0.15s ease, border-color 0.15s ease;
}
.card:hover, .card:focus-visible { transform: translateY(-3px); border-color: var(--accent); }
.card:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; }
.card-media { position: relative; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; background: #000; }
.card-media img, .card-media video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; display: block; background: #000;
}
.card-preview { z-index: 1; }
.card-body { padding: 13px 15px 15px; }
.card-title { font-size: 14.5px; font-weight: 600; margin: 0 0 5px; }
.card-meta { display: flex; gap: 8px; align-items: center; font-size: 11.5px; color: var(--muted); }
.badge {
  padding: 2.5px 9px; border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: color-mix(in srgb, var(--accent) 70%, white);
  font-size: 11px; text-transform: capitalize;
}

.empty { padding: 60px; text-align: center; color: var(--muted); }
.hidden { display: none !important; }

.modal {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(4, 5, 8, 0.72); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center; padding: 32px;
}
.modal-card {
  position: relative; max-width: 880px; width: 100%;
  background: var(--surface); border: 1px solid var(--border); border-radius: 18px;
  overflow: hidden; max-height: 88vh; overflow-y: auto;
}
.modal-media { position: relative; width: 100%; aspect-ratio: 16 / 9; background: #000; }
.modal-media img, .modal-media video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  display: block; object-fit: cover; background: #000;
}
.modal-media video { z-index: 1; }
.modal-body { padding: 22px 26px 28px; }
.modal-body h2 { margin: 0 0 8px; font-size: 21px; }
.modal-body p { color: var(--muted); line-height: 1.55; margin: 0 0 14px; }
.modal-body h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 18px 0 8px; }
.modal-body h4 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); margin: 16px 0 7px; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.agent-guide { margin-top: 22px; padding: 18px; border: 1px solid var(--border); border-radius: 12px; background: color-mix(in srgb, var(--surface-2) 55%, transparent); }
.guide-lead { color: var(--text) !important; font-size: 14px; margin-bottom: 10px !important; }
.guide-list { display: flex; flex-wrap: wrap; gap: 7px; }
.use-case { padding: 5px 9px; border: 1px solid var(--border); border-radius: 999px; color: var(--accent-2); font-size: 12px; }
.guide-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.guide-columns > div { min-width: 0; }
.input-group > strong { font-size: 12px; color: var(--text); }
.input-list, .constraint-list { list-style: none; padding: 0; margin: 7px 0 0; }
.input-list li { display: grid; gap: 2px; padding: 8px 0; border-top: 1px solid var(--border); font-size: 12px; }
.input-list li span { color: var(--muted); line-height: 1.35; }
.input-list code, .example code { color: var(--accent-2); overflow-wrap: anywhere; }
.muted-small { color: var(--muted); font-size: 11px; margin: 7px 0; }
.beat { display: flex; gap: 8px; align-items: flex-start; padding: 6px 0; border-top: 1px solid var(--border); font-size: 12px; line-height: 1.35; }
.beat code { color: var(--accent-2); flex: none; }
.example-list { display: grid; gap: 9px; }
.example { padding: 11px; border: 1px solid var(--border); border-radius: 9px; background: var(--surface-2); font-size: 12px; }
.example p { margin: 5px 0 7px; font-size: 12px; }
.example code { display: block; font-size: 11px; white-space: pre-wrap; }
.constraint-list { padding-left: 17px; list-style: disc; color: var(--muted); font-size: 12px; line-height: 1.45; }
.agent-prompt { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }
.secondary-button { padding: 8px 12px; border-radius: 8px; cursor: pointer; background: var(--surface); border: 1px solid var(--accent); color: var(--text); font-size: 12px; font-weight: 600; }
.secondary-button:hover { background: var(--accent); color: #fff; }
.copy-status { min-height: 1.4em; color: var(--muted); font-size: 12px; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 6px; }
.meta-row span {
  font-size: 12px; padding: 4px 11px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
}
pre {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px; font-size: 12.5px; overflow-x: auto; line-height: 1.5;
}
#copy-props {
  margin-top: 12px; padding: 9px 18px; border-radius: 9px; cursor: pointer;
  background: var(--accent); border: none; color: #fff; font-size: 13.5px; font-weight: 600;
}
#copy-props:hover { filter: brightness(1.1); }
.modal-close {
  position: absolute; top: 12px; right: 14px; z-index: 5;
  width: 34px; height: 34px; border-radius: 50%; border: none; cursor: pointer;
  background: rgba(0,0,0,0.55); color: #fff; font-size: 19px; line-height: 1;
}
footer { padding: 26px 32px 40px; color: var(--muted); font-size: 12.5px; border-top: 1px solid var(--border); }

@media (max-width: 680px) {
  .topbar { align-items: stretch; flex-direction: column; padding: 16px; gap: 12px; }
  .brand { min-width: 0; }
  .brand h1 { overflow-wrap: anywhere; }
  .load-error { margin-left: 16px; margin-right: 16px; }

  #search { width: 100%; }
  .category-bar, .grid { padding-left: 16px; padding-right: 16px; }
  .modal { padding: 12px; }
  .modal-body { padding: 18px; }
  .guide-columns { grid-template-columns: 1fr; gap: 4px; }
  .section-heading { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .card { transition: none; }
  .card:hover, .card:focus-visible { transform: none; }
}