/* Pulse: plain CSS. Light and dark themes via prefers-color-scheme. */

:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --surface-2: #f2f2ef;
  --border: #e4e4df;
  --text: #17171a;
  --muted: #62626b;
  --faint: #9a9aa3;
  --accent: #17171a;
  --accent-text: #ffffff;
  --link: #2450c7;
  --ok: #16803c;
  --error: #b42318;
  --warn: #9a6700;
  --focus: #2f6bff;

  /* Company colours: a strong tone for marks, a soft tone for badge fills. */
  --openai: #0e8a6b;    --openai-soft: #e3f4ee;
  --anthropic: #b8562f; --anthropic-soft: #f9ebe4;
  --gartner: #1f4fbf;   --gartner-soft: #e6edfb;
  --bonus: #7c3aed;     --bonus-soft: #efe7fd;

  --radius: 14px;
  --shadow: 0 1px 2px rgba(20, 20, 30, 0.04), 0 4px 16px rgba(20, 20, 30, 0.04);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0f12;
    --surface: #16181d;
    --surface-2: #1d2027;
    --border: #2a2d36;
    --text: #ececf0;
    --muted: #a3a6b1;
    --faint: #6d717d;
    --accent: #ececf0;
    --accent-text: #0e0f12;
    --link: #8fb0ff;
    --ok: #4ade80;
    --error: #ff8f85;
    --warn: #f2c14e;
    --focus: #8fb0ff;

    --openai: #4fd1a8;    --openai-soft: #12302a;
    --anthropic: #f0a27f; --anthropic-soft: #36211a;
    --gartner: #8fb0ff;   --gartner-soft: #18254a;
    --bonus: #c4a3ff;     --bonus-soft: #2a1f42;

    --shadow: none;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--link); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 6px; }
[hidden] { display: none !important; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }

/* ---- Top bar ---------------------------------------------------------- */
.topbar { border-bottom: 1px solid var(--border); background: var(--surface); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.logo { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; letter-spacing: -0.01em; }
.logo-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 20%, transparent); }
.topbar-link { color: var(--muted); text-decoration: none; font-size: 0.92rem; }
.topbar-link:hover { color: var(--text); }

/* ---- Hero --------------------------------------------------------------- */
.hero { padding: 56px 0 32px; max-width: 720px; }
.hero h1 { margin: 0 0 12px; font-size: clamp(1.8rem, 4.2vw, 2.6rem); line-height: 1.15; letter-spacing: -0.025em; }
.lede { margin: 0 0 28px; color: var(--muted); font-size: 1.08rem; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; }
.hero-note { margin: 0; color: var(--faint); font-size: 0.88rem; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 26px; border: 0; border-radius: 999px; cursor: pointer;
  background: var(--accent); color: var(--accent-text);
  font: 600 1rem var(--font);
  transition: transform 0.08s ease, opacity 0.15s ease;
}
.btn-primary:hover { opacity: 0.9; }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { cursor: progress; opacity: 0.85; }
.btn-spinner { display: none; width: 16px; height: 16px; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; animation: spin 0.7s linear infinite; }
.btn-primary.is-loading .btn-spinner { display: inline-block; }

.run-summary { margin: 18px 0 0; font-size: 0.92rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.run-summary.is-error { color: var(--error); }

/* ---- Company cards ------------------------------------------------------ */
.companies { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.company {
  --brand: var(--text); --brand-soft: var(--surface-2);
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow);
}
.company-openai, .card-openai { --brand: var(--openai); --brand-soft: var(--openai-soft); }
.company-anthropic, .card-anthropic { --brand: var(--anthropic); --brand-soft: var(--anthropic-soft); }
.company-gartner, .card-gartner { --brand: var(--gartner); --brand-soft: var(--gartner-soft); }

.company-head { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; }
.monogram {
  flex: none; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px;
  background: var(--brand-soft); color: var(--brand); font-weight: 700; font-size: 1.1rem;
}
.company h2 { margin: 0; font-size: 1.08rem; letter-spacing: -0.01em; }
.company-head p { margin: 0; color: var(--muted); font-size: 0.86rem; line-height: 1.4; }

.sources { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.source {
  display: grid; grid-template-columns: 10px 1fr auto; align-items: center; gap: 10px;
  padding: 8px 0; border-top: 1px solid var(--border); font-size: 0.9rem;
}
.source-name { display: inline-flex; align-items: center; gap: 6px; }
.source-result { color: var(--faint); font-size: 0.82rem; text-align: right; font-variant-numeric: tabular-nums; max-width: 170px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.source-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border); }

.source[data-state="loading"] .source-dot { background: transparent; border: 2px solid var(--faint); border-right-color: transparent; width: 10px; height: 10px; animation: spin 0.7s linear infinite; }
.source[data-state="ok"] .source-dot { background: var(--ok); }
.source[data-state="ok"] .source-result { color: var(--ok); }
.source[data-state="error"] .source-dot { background: var(--error); }
.source[data-state="error"] .source-result { color: var(--error); white-space: normal; text-align: left; grid-column: 2 / -1; max-width: none; word-break: break-word; }

.bonus { padding: 0 7px; border-radius: 999px; background: var(--bonus-soft); color: var(--bonus); font-size: 0.72rem; font-weight: 600; }

/* ---- Results ------------------------------------------------------------ */
.results { margin: 40px 0 56px; }
.results-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; padding: 4px; background: var(--surface-2); border-radius: 999px; }
.tab {
  border: 0; background: transparent; color: var(--muted); cursor: pointer;
  padding: 7px 14px; border-radius: 999px; font: 500 0.9rem var(--font);
}
.tab:hover { color: var(--text); }
.tab[aria-pressed="true"] { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
.count { margin-left: 4px; color: var(--faint); font-variant-numeric: tabular-nums; }
.raw-link { font-size: 0.88rem; color: var(--muted); }

.feed { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.card {
  position: relative; padding: 16px 18px 16px 22px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); animation: rise 0.25s ease both;
}
.card::before { content: ""; position: absolute; left: 0; top: 14px; bottom: 14px; width: 3px; border-radius: 0 3px 3px 0; background: var(--brand); }
.card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 0.8rem; color: var(--muted); }
.badge { padding: 1px 9px; border-radius: 999px; background: var(--brand-soft); color: var(--brand); font-weight: 600; }
.tag { padding: 0 8px; border: 1px solid var(--border); border-radius: 999px; }
.card-meta time { margin-left: auto; cursor: help; font-variant-numeric: tabular-nums; }
.card-title { margin: 8px 0 4px; font-size: 1.02rem; line-height: 1.4; font-weight: 600; letter-spacing: -0.005em; }
.card-title a { color: var(--text); text-decoration: none; }
.card-title a:hover { color: var(--link); text-decoration: underline; text-underline-offset: 3px; }
.card-summary { margin: 0; color: var(--muted); font-size: 0.92rem; }
.empty { padding: 32px; text-align: center; color: var(--muted); }

/* ---- Footer ------------------------------------------------------------- */
.footer { border-top: 1px solid var(--border); padding: 24px 0 40px; color: var(--faint); font-size: 0.86rem; }
.footer a { color: var(--muted); }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes rise { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* ---- Small screens ------------------------------------------------------ */
@media (max-width: 860px) {
  .companies { grid-template-columns: 1fr; }
  .hero { padding-top: 36px; }
}
@media (max-width: 520px) {
  .card-meta time { margin-left: 0; width: 100%; }
  .results-head { flex-direction: column; align-items: stretch; }
  .tabs { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .tab { flex: none; }
}