/* tools.tonyzhao.com — global styles
 * Anthropic-inspired palette, editorial-minimal layout. */

:root {
  --bg: #faf9f5;
  --surface: #ffffff;
  --surface-2: #f0eee6;
  --border: #e5e1d8;
  --border-strong: #d8d3c7;
  --ink: #1a1a18;
  --ink-soft: #4a4843;
  --ink-faint: #82807a;
  --accent: #cc785c;       /* Book Cloth */
  --accent-deep: #b35f44;
  --accent-soft: #f4e6df;
  --ok: #5a7d5a;
  --danger: #b3503f;
  --radius: 12px;
  --radius-sm: 8px;
  --maxw: 1080px;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: ui-sans-serif, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-deep); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.2; color: var(--ink); }
h1 { font-size: 2rem; margin: 0 0 .4em; }
h2 { font-size: 1.4rem; margin: 1.6em 0 .5em; }
h3 { font-size: 1.1rem; margin: 1.2em 0 .4em; }

p { margin: 0 0 1em; color: var(--ink-soft); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(250, 249, 245, 0.9);
  backdrop-filter: saturate(140%) blur(8px);
  position: sticky; top: 0; z-index: 50;
}
.site-header .wrap { display: flex; align-items: center; gap: 20px; height: 60px; }
.brand { font-family: var(--serif); font-size: 1.25rem; font-weight: 700; color: var(--ink); white-space: nowrap; }
.brand:hover { text-decoration: none; }
.brand .dot { color: var(--accent); }
.site-nav { display: flex; gap: 18px; margin-left: auto; align-items: center; }
.site-nav a { color: var(--ink-soft); font-size: .95rem; }
.site-nav a:hover { color: var(--ink); text-decoration: none; }
.header-search { flex: 1; max-width: 360px; }
.header-search input {
  width: 100%; padding: 8px 12px; border: 1px solid var(--border-strong);
  border-radius: 999px; background: var(--surface); font-size: .9rem; font-family: inherit;
}
.header-search input:focus { outline: none; border-color: var(--accent); }

/* ---------- Hero ---------- */
.hero { text-align: center; padding: 56px 0 32px; }
.hero h1 { font-size: 2.6rem; margin-bottom: .25em; }
.hero p { font-size: 1.15rem; max-width: 620px; margin: 0 auto 1.5em; }
.hero .bigsearch { max-width: 560px; margin: 0 auto; position: relative; }
.hero .bigsearch input {
  width: 100%; padding: 14px 18px; font-size: 1.05rem; border: 1px solid var(--border-strong);
  border-radius: 999px; background: var(--surface); font-family: inherit;
}
.hero .bigsearch input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

/* ---------- Cards grid ---------- */
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin-top: 40px; }
.section-head h2 { margin: 0; display: flex; align-items: center; gap: 10px; }
.section-head .count { color: var(--ink-faint); font-size: .9rem; }
.section-head a { font-size: .9rem; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; margin: 18px 0; }

.card {
  display: block; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; transition: border-color .15s, transform .15s, box-shadow .15s;
  position: relative;
}
.card:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(26,26,24,.06); }
.card .icon { font-size: 1.4rem; }
.card .name { font-weight: 600; color: var(--ink); margin: 6px 0 4px; font-size: 1.02rem; }
.card .desc { color: var(--ink-faint); font-size: .85rem; line-height: 1.45; margin: 0; }
.card.soon { opacity: .62; }
.card .soon-tag {
  position: absolute; top: 12px; right: 12px; font-size: .65rem; text-transform: uppercase;
  letter-spacing: .04em; color: var(--ink-faint); background: var(--surface-2);
  border: 1px solid var(--border); padding: 2px 7px; border-radius: 999px;
}

/* category chips on homepage */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 8px; justify-content: center; }
.chip {
  display: inline-flex; align-items: center; gap: 7px; padding: 8px 14px; border-radius: 999px;
  border: 1px solid var(--border-strong); background: var(--surface); color: var(--ink-soft); font-size: .92rem;
}
.chip:hover { border-color: var(--accent); color: var(--ink); text-decoration: none; }

/* ---------- Tool page ---------- */
.tool-main { padding: 28px 0 60px; }
.breadcrumb { font-size: .85rem; color: var(--ink-faint); margin-bottom: 14px; }
.breadcrumb a { color: var(--ink-faint); }
.tool-head { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.tool-head .icon { font-size: 1.8rem; }
.tool-head h1 { margin: 0; font-size: 1.9rem; }
.tool-sub { color: var(--ink-soft); font-size: 1.05rem; margin: 0 0 22px; }

.tool-panel {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; margin-bottom: 22px;
}
.privacy-note { font-size: .82rem; color: var(--ink-faint); display: flex; align-items: center; gap: 6px; margin: 0 0 14px; }

label { display: block; font-size: .9rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 6px; }

textarea, input[type=text], input[type=number], input[type=date], input[type=datetime-local], select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  background: var(--surface); font-family: inherit; font-size: 1rem; color: var(--ink);
}
textarea { min-height: 160px; resize: vertical; font-family: var(--mono); font-size: .92rem; line-height: 1.5; }
textarea:focus, input:focus, select:focus { outline: none; border-color: var(--accent); }
textarea.code, .code-out { font-family: var(--mono); }

.field { margin-bottom: 16px; }
.row { display: flex; gap: 14px; flex-wrap: wrap; }
.row > .field { flex: 1; min-width: 160px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px; cursor: pointer;
  padding: 10px 18px; border-radius: var(--radius-sm); border: 1px solid var(--accent);
  background: var(--accent); color: #fff; font-family: inherit; font-size: .95rem; font-weight: 600;
  transition: background .15s, border-color .15s;
}
.btn:hover { background: var(--accent-deep); border-color: var(--accent-deep); text-decoration: none; }
.btn.secondary { background: var(--surface); color: var(--ink); border-color: var(--border-strong); }
.btn.secondary:hover { background: var(--surface-2); }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 6px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; margin-top: 6px; }
.stat { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px; text-align: center; }
.stat .val { font-size: 1.6rem; font-weight: 700; font-family: var(--serif); color: var(--ink); }
.stat .lbl { font-size: .78rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .03em; margin-top: 2px; }

.result-box {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 14px; font-family: var(--mono); font-size: .92rem; white-space: pre-wrap; word-break: break-word; min-height: 48px;
}
.result-big { font-size: 1.5rem; font-family: var(--serif); font-weight: 700; }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: #fff; padding: 10px 18px; border-radius: 999px; font-size: .9rem;
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 100;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* prose / SEO content */
.prose { max-width: 720px; }
.prose h2 { font-size: 1.35rem; }
.prose ul, .prose ol { color: var(--ink-soft); padding-left: 1.2em; }
.prose li { margin-bottom: .4em; }
.faq dt { font-weight: 600; color: var(--ink); margin-top: 1em; }
.faq dd { margin: .3em 0 0; color: var(--ink-soft); }

/* related */
.related .grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); margin-top: 60px; padding: 32px 0; background: var(--surface-2); }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 18px; justify-content: space-between; align-items: center; }
.site-footer .cols { display: flex; gap: 28px; flex-wrap: wrap; }
.site-footer a { color: var(--ink-soft); font-size: .9rem; }
.site-footer .muted { color: var(--ink-faint); font-size: .82rem; }

/* search results overlay */
.search-results {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0; background: var(--surface);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm); box-shadow: 0 10px 30px rgba(26,26,24,.12);
  max-height: 340px; overflow-y: auto; z-index: 60; display: none;
}
.search-results.show { display: block; }
.search-results a { display: block; padding: 10px 14px; color: var(--ink); border-bottom: 1px solid var(--border); }
.search-results a:hover { background: var(--surface-2); text-decoration: none; }
.search-results a .s-cat { color: var(--ink-faint); font-size: .8rem; }
.search-results .empty { padding: 14px; color: var(--ink-faint); font-size: .9rem; }

@media (max-width: 720px) {
  .hero h1 { font-size: 2rem; }
  .header-search { display: none; }
  .site-nav { gap: 12px; }
  .site-header .wrap { gap: 12px; }
}