/* ---------------------------------------------------------------------
   Orbit — design system v2
   Flat, precise, engineered. One accent color. Monospace-forward.
   Vector match strength is shown as an actual meter, not a vague number.
--------------------------------------------------------------------- */

:root {
  --font-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
}

/* ---- Dark theme (default) ---- */
:root,
[data-theme="dark"] {
  --bg: #07080B;
  --panel: #0E1015;
  --panel-2: #14171E;
  --border: rgba(232, 234, 239, 0.09);
  --border-strong: rgba(232, 234, 239, 0.20);

  --text: #E8EAEF;
  --text-dim: #8B90A0;
  --text-dimmer: #52566A;

  --accent: #3FE0D4;
  --accent-strong: #6BF0E6;
  --accent-text-on: #04201D;
  --accent-dim: rgba(63, 224, 212, 0.12);
  --amber: #FFB454;
  --violet: #8A73FF;

  --mark-bg: rgba(63, 224, 212, 0.20);
  --mark-text: #E8EAEF;
  --shadow: rgba(0, 0, 0, 0.5);
  --grid-line: rgba(232, 234, 239, 0.035);

  color-scheme: dark;
}

/* ---- Light theme ---- */
[data-theme="light"] {
  --bg: #FAFAFC;
  --panel: #FFFFFF;
  --panel-2: #F2F3F6;
  --border: rgba(10, 11, 16, 0.10);
  --border-strong: rgba(10, 11, 16, 0.22);

  --text: #0E0F14;
  --text-dim: #53576A;
  --text-dimmer: #82869A;

  --accent: #0C9C93;
  --accent-strong: #087F78;
  --accent-text-on: #FFFFFF;
  --accent-dim: rgba(12, 156, 147, 0.10);
  --amber: #C97C1F;
  --violet: #5B45D6;

  --mark-bg: rgba(12, 156, 147, 0.14);
  --mark-text: #0E0F14;
  --shadow: rgba(20, 22, 34, 0.10);
  --grid-line: rgba(10, 11, 16, 0.035);

  color-scheme: light;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body { margin: 0; padding: 0; min-height: 100%; }

body {
  background:
    linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0 / 100% 44px,
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0 / 44px 100%,
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  transition: background-color 200ms ease, color 200ms ease;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
::selection { background: var(--accent-dim); color: var(--text); }

/* ---------------------------------------------------------------------
   Theme toggle
--------------------------------------------------------------------- */
.theme-toggle {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 60;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-dim);
  background: var(--panel);
  border: 1px solid var(--border);
  transition: color 140ms ease, border-color 140ms ease;
}
.theme-toggle:hover { color: var(--text); border-color: var(--border-strong); }
.theme-toggle svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; position: absolute; transition: opacity 140ms ease; }
.icon-sun circle { fill: currentColor; stroke: none; }
.icon-moon path { fill: currentColor; stroke: none; }
[data-theme="dark"] .icon-sun { opacity: 1; }
[data-theme="dark"] .icon-moon { opacity: 0; }
[data-theme="light"] .icon-sun { opacity: 0; }
[data-theme="light"] .icon-moon { opacity: 1; }

/* ---------------------------------------------------------------------
   Logomark
--------------------------------------------------------------------- */
.logomark { width: 40px; height: 40px; overflow: visible; }
.logomark--big { width: 64px; height: 64px; }
.logomark__ring { fill: none; stroke: var(--accent); stroke-width: 5; }
.logomark__glow { display: none; }
.logomark__sat { fill: var(--amber); }
.logomark--big .logomark__ring, .logomark--big .logomark__sat,
.topbar .logomark__ring, .topbar .logomark__sat {
  transform-origin: 32px 32px;
  animation: spin 14s linear infinite;
}
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .logomark__ring, .logomark__sat { animation: none !important; } }

/* ---------------------------------------------------------------------
   Type
--------------------------------------------------------------------- */
.wordmark { font-family: var(--font-display); font-weight: 600; font-size: 19px; letter-spacing: -0.01em; }
.wordmark--big {
  font-size: clamp(34px, 8vw, 46px);
  margin: 14px 0 4px;
  font-weight: 700;
  color: var(--text);
}
.tagline {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: clamp(12px, 2.6vw, 13.5px);
  margin: 0 0 28px;
  padding: 0 16px;
  text-align: center;
}
.tagline strong { color: var(--accent); font-weight: 500; }

/* ---------------------------------------------------------------------
   Top bar
--------------------------------------------------------------------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 11px 20px;
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.brand--small { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.topbar .logomark { width: 26px; height: 26px; }
.topbar .wordmark { font-size: 16px; }
.topbar__spacer { flex: 0 0 40px; }

/* ---------------------------------------------------------------------
   Search box — the one place a bit of "glass" survives, kept restrained
--------------------------------------------------------------------- */
.search {
  position: relative;
  display: flex;
  align-items: center;
  border-radius: var(--radius-md);
  background: var(--panel);
  border: 1px solid var(--border-strong);
  transition: border-color 140ms ease, box-shadow 140ms ease;
}
.search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.search__icon { width: 16px; height: 16px; margin-left: 15px; fill: var(--text-dimmer); flex-shrink: 0; }
.search input {
  flex: 1; min-width: 0;
  background: transparent; border: none; outline: none;
  color: var(--text); font-size: 15px; font-family: var(--font-body);
  padding: 12px 13px;
}
.search input::placeholder { color: var(--text-dimmer); }
.search__clear { background: none; border: none; color: var(--text-dim); font-size: 18px; cursor: pointer; padding: 6px 15px 6px 6px; line-height: 1; }
.search__clear:hover { color: var(--text); }

.search--home { width: min(580px, 90vw); margin: 0 auto; }
.search--top { width: min(500px, 42vw); }

@media (max-width: 720px) {
  .search--top { flex: 1; width: auto; }
  .topbar { gap: 10px; padding: 10px 14px; }
  .topbar__spacer { flex: 0 0 42px; }
  .brand--small .wordmark { display: none; }
}

.suggest {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  background: var(--panel); border: 1px solid var(--border-strong);
  border-radius: var(--radius-md); overflow: hidden; z-index: 20;
  box-shadow: 0 12px 28px var(--shadow);
}
.suggest__item {
  display: flex; align-items: center; gap: 10px; padding: 9px 15px;
  cursor: pointer; color: var(--text-dim); font-family: var(--font-mono); font-size: 13px;
}
.suggest__item:hover, .suggest__item.is-active { background: var(--accent-dim); color: var(--text); }

/* ---------------------------------------------------------------------
   Hero (home)
--------------------------------------------------------------------- */
.hero { display: flex; flex-direction: column; align-items: center; text-align: center; padding: min(13vh, 100px) 20px 40px; }
.hero__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 20px; }

.btn {
  font-family: var(--font-mono); font-size: 13px; font-weight: 500;
  padding: 10px 20px; border-radius: var(--radius-sm); cursor: pointer;
  border: 1px solid transparent;
  background: var(--accent); color: var(--accent-text-on);
  transition: transform 100ms ease, filter 100ms ease;
}
.btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--ghost { background: var(--panel); color: var(--text-dim); border-color: var(--border-strong); }
.btn--ghost:hover { color: var(--text); border-color: var(--text-dimmer); }

.hero__stats { margin-top: 32px; color: var(--text-dimmer); font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.02em; text-align: center; padding: 0 16px; }

/* ---------------------------------------------------------------------
   Results
--------------------------------------------------------------------- */
.results { max-width: 740px; margin: 0 auto; padding: 18px 16px 90px; }

.filters {
  display: flex; gap: 2px; margin-bottom: 16px; overflow-x: auto;
  border-bottom: 1px solid var(--border); width: 100%;
}
.filter {
  background: none; border: none; color: var(--text-dim);
  font-family: var(--font-mono); font-size: 12.5px; font-weight: 500;
  padding: 9px 14px; cursor: pointer; white-space: nowrap;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.filter:hover { color: var(--text); }
.filter.is-active { color: var(--accent); border-bottom-color: var(--accent); }

.result-meta { color: var(--text-dimmer); font-family: var(--font-mono); font-size: 11.5px; margin: 0 0 16px; }

.result-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }

.result {
  display: flex; gap: 13px; padding: 13px 10px;
  border-radius: var(--radius-sm); border: 1px solid transparent;
  transition: background 120ms ease, border-color 120ms ease;
}
.result:hover { background: var(--panel); border-color: var(--border); }

.result__badge {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; margin-top: 2px; background: var(--panel-2); border: 1px solid var(--border);
}
.result__badge--page { color: var(--accent); }
.result__badge--video { color: var(--violet); }
.result__badge--audio { color: var(--amber); }
.result__badge--image { color: #4FCB8E; }
.result__badge--document { color: #D07FE0; }

.result__media { position: relative; flex-shrink: 0; width: 30px; height: 30px; margin-top: 2px; }
.result__media .result__badge { position: absolute; inset: 0; margin-top: 0; }
.result__thumb {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--panel-2);
}
/* Image results are what you actually want to eyeball, so give them real
   estate instead of a thumbnail the size of an icon. */
.result[data-type="image"] .result__media {
  width: 76px; height: 76px;
}

.result__body { min-width: 0; flex: 1; }
.result__breadcrumb { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-dimmer); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.result__title { display: block; font-family: var(--font-display); font-size: 16.5px; font-weight: 600; color: var(--text); margin: 2px 0 4px; }
.result__title:hover { color: var(--accent); }
.result__snippet { color: var(--text-dim); font-size: 14px; line-height: 1.5; margin: 0; }
.result__snippet mark { background: var(--mark-bg); color: var(--mark-text); border-radius: 2px; padding: 0 2px; }

.result__meta-row { display: flex; align-items: center; gap: 12px; margin-top: 7px; font-family: var(--font-mono); font-size: 10.5px; color: var(--text-dimmer); text-transform: uppercase; letter-spacing: 0.04em; }

/* vector match meter — a literal bar, since ranking is now cosine similarity */
.match-meter { display: flex; align-items: center; gap: 6px; }
.match-meter__track { width: 46px; height: 4px; border-radius: 2px; background: var(--border-strong); overflow: hidden; }
.match-meter__fill { height: 100%; background: var(--accent); border-radius: 2px; }
.match-meter__pct { color: var(--text-dimmer); font-variant-numeric: tabular-nums; }

/* empty / loading states */
.empty-state { text-align: center; padding: 56px 20px; color: var(--text-dim); }
.empty-state__icon { width: 46px; height: 46px; color: var(--text-dimmer); margin-bottom: 14px; }
.empty-state__icon--spin { animation: spin 2s linear infinite; }
.empty-state h2 { font-family: var(--font-display); color: var(--text); font-size: 17px; margin: 0 0 6px; }
.empty-state p { margin: 0; font-size: 14px; font-family: var(--font-mono); }

/* ---------------------------------------------------------------------
   Footer
--------------------------------------------------------------------- */
.site-footer {
  position: fixed; bottom: 0; left: 0; right: 0;
  display: flex; align-items: center; gap: 14px;
  padding: 10px 18px; font-size: 11.5px; font-family: var(--font-mono);
  color: var(--text-dimmer); background: var(--bg); border-top: 1px solid var(--border);
  overflow-x: auto; white-space: nowrap;
}
.link-btn { background: none; border: none; color: var(--text-dim); cursor: pointer; font-family: var(--font-mono); font-size: 11.5px; text-decoration: underline; text-underline-offset: 2px; padding: 0; flex-shrink: 0; }
.link-btn:hover { color: var(--accent); }

@media (max-width: 560px) { .site-footer span:first-child { display: none; } }

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