:root {
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --accent-light: #dbeafe;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --bg: #f9fafb;
  --card: #ffffff;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }
.wrap-narrow { max-width: 760px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.logo {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }
.site-nav { display: flex; gap: 20px; }
.site-nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; font-weight: 500; }
.site-nav a:hover { color: var(--accent); }

/* Hero */
.hero { padding: 56px 0 40px; text-align: center; }
.hero h1 { font-size: 2.2rem; letter-spacing: -0.03em; margin: 0 0 12px; }
.hero p { color: var(--muted); font-size: 1.1rem; max-width: 620px; margin: 0 auto; }

/* Tool grid */
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 18px; padding: 12px 0 48px; }
.tool-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  text-decoration: none;
  color: var(--text);
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}
.tool-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08); border-color: var(--accent-light); }
.tool-card .icon { font-size: 1.7rem; }
.tool-card h3 { margin: 10px 0 4px; font-size: 1.05rem; }
.tool-card p { margin: 0; color: var(--muted); font-size: 0.9rem; }

/* Tool page */
.page-head { padding: 40px 0 8px; }
.page-head h1 { font-size: 1.9rem; letter-spacing: -0.02em; margin: 0 0 8px; }
.page-head .lead { color: var(--muted); font-size: 1.05rem; margin: 0; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin: 24px 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

label { display: block; font-weight: 600; font-size: 0.92rem; margin: 14px 0 6px; }
label:first-child { margin-top: 0; }

textarea, input[type="text"], input[type="number"], input[type="password"], select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  background: #fff;
}
textarea { min-height: 140px; resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.92rem; }
textarea:focus, input:focus, select:focus { outline: 2px solid var(--accent-light); border-color: var(--accent); }

.row { display: flex; gap: 14px; flex-wrap: wrap; }
.row > div { flex: 1; min-width: 160px; }

.checks { display: flex; flex-wrap: wrap; gap: 10px 18px; margin: 14px 0; }
.checks label { display: flex; align-items: center; gap: 8px; font-weight: 500; margin: 0; }
.checks input { width: 18px; height: 18px; accent-color: var(--accent); }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 11px 22px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.12s ease;
}
.btn:hover { background: var(--accent-dark); }
.btn.secondary { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn.secondary:hover { background: var(--bg); }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }

.result {
  margin-top: 18px;
  padding: 16px;
  border-radius: 10px;
  background: var(--bg);
  border: 1px dashed var(--border);
  word-break: break-all;
  white-space: pre-wrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.95rem;
}
.result img { max-width: 100%; background: #fff; }
.result.ok { border-style: solid; border-color: #86efac; background: #f0fdf4; }
.result.err { border-style: solid; border-color: #fca5a5; background: #fef2f2; color: #b91c1c; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; margin-top: 18px; }
.stat { background: var(--bg); border: 1px solid var(--border); border-radius: 10px; padding: 14px; text-align: center; }
.stat b { display: block; font-size: 1.5rem; color: var(--accent); letter-spacing: -0.02em; }
.stat span { color: var(--muted); font-size: 0.85rem; }

.pw-box { display: flex; gap: 10px; align-items: stretch; margin-top: 18px; }
.pw-box output {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.05rem;
  word-break: break-all;
  min-height: 48px;
}
.strength { height: 8px; border-radius: 4px; background: var(--border); overflow: hidden; margin-top: 12px; }
.strength i { display: block; height: 100%; width: 0; background: #ef4444; transition: width 0.2s ease, background 0.2s ease; }

.prose { margin: 36px 0 48px; }
.prose h2 { font-size: 1.35rem; margin: 28px 0 8px; }
.prose p, .prose li { color: #374151; }
.prose details {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  margin: 10px 0;
}
.prose summary { font-weight: 600; cursor: pointer; }
.prose details p { margin: 10px 0 0; }

footer.site-footer { border-top: 1px solid var(--border); background: #fff; margin-top: 40px; }
footer.site-footer .wrap { padding: 28px 20px; display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center; justify-content: space-between; color: var(--muted); font-size: 0.9rem; }
footer.site-footer nav { display: flex; gap: 16px; flex-wrap: wrap; }
footer.site-footer a { color: var(--muted); text-decoration: none; }
footer.site-footer a:hover { color: var(--accent); }

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--text);
  color: #fff;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 0.9rem;
  opacity: 0;
  transition: all 0.25s ease;
  z-index: 100;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 640px) {
  .hero h1 { font-size: 1.7rem; }
  .site-nav { display: none; }
  .page-head h1 { font-size: 1.5rem; }
}

/* --- Platform homepage: search, chips, requests --- */
.search-box {
  display: flex;
  gap: 10px;
  max-width: 560px;
  margin: 26px auto 0;
}
.search-box input {
  flex: 1;
  padding: 13px 18px;
  border: 2px solid var(--border);
  border-radius: 999px;
  font-size: 1.05rem;
  font-family: inherit;
  background: #fff;
}
.search-box input:focus { outline: none; border-color: var(--accent); }

.chip-bar { display: flex; flex-wrap: wrap; gap: 8px; padding: 8px 0 20px; }
.chip {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: 999px;
  padding: 7px 15px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.12s ease;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.chip-n { opacity: 0.65; font-size: 0.82em; }

.tool-card { position: relative; }
.hot-mark { position: absolute; top: 14px; right: 16px; font-size: 0.95rem; }
.tool-card.coming { background: transparent; border-style: dashed; }
.tool-card.coming:hover { transform: none; box-shadow: none; border-color: #c7d2fe; }
.tool-card.coming h3 { color: #374151; }
.coming-row { display: flex; align-items: center; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.soon-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 9px;
}
.req-btn {
  margin-left: auto;
  border: 1.5px solid var(--accent);
  color: var(--accent);
  background: #fff;
  border-radius: 999px;
  padding: 5px 13px;
  font-size: 0.83rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.12s ease;
}
.req-btn:hover { background: var(--accent-light); }
.req-btn.voted { background: var(--accent); color: #fff; cursor: default; }
.req-btn:disabled:not(.voted) { opacity: 0.6; }
.req-badge {
  font-size: 0.78rem;
  color: #b45309;
  background: #fef3c7;
  border-radius: 999px;
  padding: 3px 9px;
  white-space: nowrap;
}
.req-badge.ready { color: #047857; background: #d1fae5; }

.no-results {
  background: var(--card);
  border: 1.5px dashed var(--border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  margin: 8px 0 40px;
}
.no-results h3 { margin: 0 0 8px; }
.no-results p { color: var(--muted); margin: 0 0 14px; }
.nr-form { display: flex; gap: 10px; max-width: 520px; margin: 0 auto; }
.nr-form input { flex: 1; padding: 11px 14px; border: 1px solid var(--border); border-radius: 10px; font-family: inherit; font-size: 0.95rem; }

@media (max-width: 640px) {
  .search-box { flex-direction: column; }
  .nr-form { flex-direction: column; }
}