:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1d212b;
  --border: #2a2f3a;
  --text: #e7eaf0;
  --muted: #98a0b0;
  --accent: #6c8cff;
  --accent-2: #38e0c8;
  --bar: linear-gradient(90deg, #6c8cff 0%, #38e0c8 100%);
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  font-synthesis: none;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(108, 140, 255, 0.14), transparent 60%),
    radial-gradient(700px 400px at 0% 0%, rgba(56, 224, 200, 0.10), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.shell {
  max-width: 820px;
  margin: 0 auto;
  padding: 56px 24px 80px;
}

/* ---------- Hero ---------- */
.hero { margin-bottom: 28px; }

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
}
.logo {
  font-size: 22px;
  color: var(--accent-2);
  line-height: 1;
}
.wordmark {
  font-weight: 700;
  letter-spacing: 0.5px;
  font-size: 17px;
}
.nav-link {
  margin-left: auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 999px;
  padding: 5px 13px;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.nav-link:hover {
  border-color: var(--accent);
  color: var(--accent-2);
  background: var(--panel-2);
}

/* ---------- Visual gallery ---------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.shot-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  animation: rise 0.25s ease both;
  display: flex;
  flex-direction: column;
}
.shot-card.best {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--shadow);
}

.shot-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--panel-2);
  overflow: hidden;
}
.shot-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}
.shot-rank {
  position: absolute;
  top: 8px;
  left: 8px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text);
  background: rgba(15, 17, 21, 0.78);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3px 8px;
  backdrop-filter: blur(4px);
}
.best-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: #0f1115;
  background: var(--accent-2);
  border-radius: 999px;
  padding: 3px 9px;
}

.shot-body {
  padding: 12px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.shot-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.shot-topic {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.shot-score {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--accent-2);
  flex: 0 0 auto;
}
.shot-id {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 11px;
  color: #5d6678;
}

h1 {
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 800;
  margin: 0 0 14px;
  letter-spacing: -0.6px;
  line-height: 1.12;
}
h1 .tag {
  display: inline-block;
  vertical-align: middle;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: #0f1115;
  background: var(--accent-2);
  padding: 4px 10px;
  border-radius: 999px;
  margin-left: 6px;
  transform: translateY(-3px);
}

.subtitle {
  color: var(--muted);
  font-size: 16px;
  max-width: 62ch;
  margin: 0;
}
code {
  font-family: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  color: var(--accent-2);
}

/* ---------- Search ---------- */
.search { margin: 30px 0 14px; }

.search-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 4px 18px;
  box-shadow: var(--shadow);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(108, 140, 255, 0.18), var(--shadow);
}
.search-icon {
  font-size: 22px;
  color: var(--muted);
}
#query {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 17px;
  padding: 16px 0;
  font-family: inherit;
}
#query::placeholder { color: #5d6678; }
#query:disabled { opacity: 0.6; cursor: progress; }

.status {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 13.5px;
  margin: 14px 4px 0;
  min-height: 20px;
}
.status.ready { color: var(--accent-2); }
.status.hidden { display: none; }

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex: 0 0 auto;
}
.status.ready .spinner,
.status.error .spinner { display: none; }
.status.error { color: #ff7b7b; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Results ---------- */
.results {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 22px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 18px 18px;
  animation: rise 0.25s ease both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.rank {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3px 8px;
  flex: 0 0 auto;
}
.topic {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tile-id {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 11.5px;
  color: #5d6678;
}
.score {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-2);
  flex: 0 0 auto;
}

.bar-track {
  height: 6px;
  background: var(--panel-2);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 12px;
}
.bar-fill {
  height: 100%;
  width: 0;
  background: var(--bar);
  border-radius: 999px;
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-text {
  margin: 0;
  font-size: 14.5px;
  color: #cdd3df;
}

.empty {
  color: var(--muted);
  font-size: 14px;
  text-align: center;
  padding: 30px 0;
}

/* ---------- Footer ---------- */
.footer {
  margin-top: 42px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}
.footer p { margin: 0 0 6px; }
.footer .meta { font-size: 12px; color: #707a8c; }
.footer a { color: var(--accent); text-decoration: none; }
.footer a:hover { text-decoration: underline; }
.footer strong { color: var(--text); }