/* agentlog — Cloudflare Clean design system
   FT Kunst Grotesk is the brand face; Inter is the closest free grotesk
   substitute and is loaded as a fallback. */

:root {
  --primary: #fe5a1d;
  --primary-strong: #f4511a;
  --secondary: #262626;
  --tertiary: #6e6e6e;
  --neutral: #ffffff;
  --surface: #ffffff;
  --surface-subtle: #f7f7f7;
  --on-surface: #262626;
  --on-primary: #ffffff;
  --border: #e8e8e8;
  --accent: #000000;
  --error: #d92d20;

  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 10px;
  --r-xl: 16px;
  --r-full: 9999px;

  --s-xs: 4px;
  --s-sm: 12px;
  --s-md: 20px;
  --s-lg: 32px;
  --s-xl: 48px;
  --s-2xl: 64px;

  --font: "FT Kunst Grotesk", "Inter", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--surface);
  color: var(--on-surface);
  font-family: var(--font);
  font-size: 16px;
  line-height: 24px;
  letter-spacing: -0.2px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary-strong); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-weight: 500;
  letter-spacing: -0.8px;
  line-height: 1.1;
  margin: 0 0 var(--s-md);
}
h1 { font-size: 43px; letter-spacing: -1.2px; }
h2 { font-size: 33px; letter-spacing: -0.45px; }
h3 { font-size: 25px; letter-spacing: -0.8px; }

p { margin: 0 0 var(--s-md); }
.muted { color: var(--tertiary); }
.small { font-size: 14px; line-height: 20px; }

/* ---- layout ---- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: var(--s-md);
  padding: var(--s-sm) var(--s-lg);
  background: var(--neutral);
  border-bottom: 1px solid var(--border);
}
.brand {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: 18px; letter-spacing: -0.4px;
  color: var(--secondary);
}
.brand:hover { text-decoration: none; }
.brand .dot {
  width: 14px; height: 14px; border-radius: var(--r-full);
  background: var(--primary); display: inline-block;
}
.topbar .spacer { flex: 1; }
.nav-item {
  padding: 8px 12px; border-radius: var(--r-full);
  font-size: 14px; font-weight: 500; color: var(--secondary);
}
.nav-item:hover { background: var(--surface-subtle); text-decoration: none; }
.nav-item.active { background: var(--surface-subtle); }

.container { max-width: 1040px; margin: 0 auto; padding: var(--s-xl) var(--s-lg); }
.container.narrow { max-width: 460px; }
.container.wide { max-width: 1200px; }

.page-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: var(--s-md); margin-bottom: var(--s-lg);
}
.breadcrumb { font-size: 14px; color: var(--tertiary); margin-bottom: var(--s-sm); }
.breadcrumb a { color: var(--tertiary); }
.breadcrumb a:hover { color: var(--secondary); }

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font); font-size: 16px; font-weight: 500; letter-spacing: -0.1px;
  padding: 12px 24px; height: 46px; border-radius: var(--r-full);
  border: 1px solid var(--border); background: var(--neutral); color: var(--on-surface);
  cursor: pointer; transition: background .15s, border-color .15s, transform .05s;
}
.btn:hover { background: var(--surface-subtle); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--primary); border-color: var(--primary); color: var(--on-primary);
}
.btn-primary:hover { background: var(--primary-strong); border-color: var(--primary-strong); }
.btn-sm { height: 36px; padding: 6px 16px; font-size: 14px; }
.btn-danger { color: var(--error); border-color: var(--border); }
.btn-danger:hover { background: #fdf0ef; }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-ghost:hover { background: var(--surface-subtle); }

/* ---- cards ---- */
.grid { display: grid; gap: var(--s-md); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 800px) { .grid.cols-2, .grid.cols-3 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 16px 16px 20px;
  transition: border-color .15s, box-shadow .15s;
}
.card.link:hover { border-color: #d9d9d9; box-shadow: 0 1px 3px rgba(0,0,0,.04); text-decoration: none; }
.card h3 { margin: 0 0 6px; font-size: 19px; letter-spacing: -0.4px; }
.card .meta { color: var(--tertiary); font-size: 14px; }

/* ---- chips ---- */
.chip {
  display: inline-flex; align-items: center;
  background: var(--surface-subtle); color: var(--on-surface);
  font-size: 12px; font-weight: 500; letter-spacing: .02em;
  padding: 6px 10px; border-radius: var(--r-full);
}
.chip.primary { background: var(--primary); color: var(--on-primary); }
.chip.outline { background: transparent; border: 1px solid var(--border); color: var(--tertiary); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---- forms ---- */
label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 6px; }
input, select, textarea {
  width: 100%; font-family: var(--font); font-size: 16px;
  padding: 12px 16px; height: 46px;
  border: 1px solid var(--border); border-radius: var(--r-full);
  background: var(--surface); color: var(--on-surface); outline: none;
}
textarea { height: auto; border-radius: var(--r-md); resize: vertical; min-height: 120px; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); }
.field { margin-bottom: var(--s-md); }
.row { display: flex; gap: var(--s-sm); }
.row > * { flex: 1; }

/* ---- tables / lists ---- */
.list { display: flex; flex-direction: column; gap: 8px; }
.list-row {
  display: flex; align-items: center; gap: var(--s-md);
  padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--r-lg);
  background: var(--surface);
}
.list-row .grow { flex: 1; min-width: 0; }
.list-row .title { font-weight: 500; }
.list-row:hover { border-color: #d9d9d9; }
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.alert {
  padding: 12px 16px; border-radius: var(--r-md);
  background: #fdf0ef; color: var(--error); border: 1px solid #f6d4d1;
  font-size: 14px; margin-bottom: var(--s-md);
}
.notice {
  padding: 12px 16px; border-radius: var(--r-md);
  background: var(--surface-subtle); border: 1px solid var(--border);
  font-size: 14px; margin-bottom: var(--s-md);
}
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.token-box {
  background: var(--secondary); color: #fff; padding: 14px 16px;
  border-radius: var(--r-md); word-break: break-all; font-size: 14px;
}

/* ---- viewer ---- */
.viewer-frame {
  width: 100%; height: 72vh; border: 1px solid var(--border);
  border-radius: var(--r-lg); background: #fff;
}
.toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: var(--s-md); }
.toolbar .spacer { flex: 1; }
.version-pill { font-size: 12px; }
.hr { height: 1px; background: var(--border); border: 0; margin: var(--s-lg) 0; }

.empty {
  text-align: center; padding: var(--s-2xl) var(--s-md); color: var(--tertiary);
  border: 1px dashed var(--border); border-radius: var(--r-lg);
}

/* ---- topbar search ---- */
.topbar-search { margin: 0; }
.topbar-search input {
  height: 36px; width: 200px; padding: 6px 14px; font-size: 14px;
  border-radius: var(--r-full); background: var(--surface-subtle);
}
.topbar-search input:focus { background: var(--surface); }
@media (max-width: 640px) { .topbar-search { display: none; } }

/* ---- diff viewer ---- */
.diff {
  border: 1px solid var(--border); border-radius: var(--r-lg);
  overflow: hidden; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12.5px; line-height: 1.6; background: var(--surface);
}
.diff-line { display: flex; white-space: pre-wrap; word-break: break-word; }
.diff-gutter {
  flex: 0 0 26px; text-align: center; color: var(--tertiary);
  user-select: none; border-right: 1px solid var(--border); background: var(--surface-subtle);
}
.diff-code { flex: 1; padding: 0 12px; }
.diff-line.add { background: #eafaef; }
.diff-line.add .diff-gutter { color: #127a3a; background: #d8f3e1; }
.diff-line.del { background: #fdeceb; }
.diff-line.del .diff-gutter { color: #d92d20; background: #f8d9d6; }
.diff-line.ctx { color: var(--tertiary); }

/* ---- promo / ad section + modal ---- */
.promo {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-md);
  flex-wrap: wrap; margin-top: var(--s-lg); padding: 16px 20px;
  border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--surface-subtle);
}
.promo .promo-text { display: flex; flex-direction: column; gap: 2px; }
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 100;
  background: rgba(0, 0, 0, .45); align-items: center; justify-content: center; padding: 20px;
}
.modal {
  position: relative; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); width: 100%; max-width: 460px; padding: 28px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, .22); max-height: 90vh; overflow: auto;
}
.modal-close {
  position: absolute; top: 10px; right: 14px; background: none; border: none;
  font-size: 26px; line-height: 1; color: var(--tertiary); cursor: pointer;
}
.modal-close:hover { color: var(--on-surface); }

.hero {
  background: var(--primary); color: var(--on-primary);
  border-radius: var(--r-xl); padding: var(--s-xl);
  text-align: center; margin-bottom: var(--s-xl);
}
.hero h1 { color: #fff; font-size: 43px; }
.hero p { color: rgba(255,255,255,.9); font-size: 19px; max-width: 540px; margin: 0 auto; }