/* VanPaulTek Forum — small, opinionated stylesheet. Cream/green palette
   consistent with the marketing site so a link from vanpaultek.com feels
   like the same product. */

:root {
  --brand: #57a032;
  --brand-dark: #33611c;
  --brand-ink: #141414;
  --ink: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --bg: #f9fafb;
  --card: #fff;
  --danger: #dc2626;
  --solved: #16a34a;
  --code-bg: #0f172a;
  --code-ink: #e2e8f0;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}
a { color: var(--brand-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 900px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-head {
  background: var(--brand-ink);
  color: #fff;
  border-bottom: 1px solid #000;
}
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap; }
.brand { color: #fff; font-weight: 800; font-size: 18px; letter-spacing: -0.02em; }
.brand span { font-weight: 400; opacity: 0.7; }
.nav-main { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.nav-main a { color: #cbd5e1; font-weight: 500; }
.nav-main a:hover { color: #fff; text-decoration: none; }
.search-form { display: flex; gap: 4px; }
.search-form input {
  padding: 6px 10px;
  border-radius: 6px 0 0 6px;
  border: 1px solid transparent;
  min-width: 220px;
  font: inherit;
}
.search-form button {
  padding: 6px 12px;
  border: none;
  border-radius: 0 6px 6px 0;
  background: var(--brand);
  color: white;
  font: inherit;
  cursor: pointer;
  font-weight: 600;
}
.search-form.big { margin: 16px 0 20px; }
.search-form.big input { min-width: 400px; padding: 10px 14px; font-size: 16px; }
.search-form.big button { padding: 10px 20px; font-size: 16px; }
.me { color: #94a3b8; font-size: 14px; }
.linkish { background: none; border: none; color: #cbd5e1; cursor: pointer; padding: 0; font: inherit; }

/* Buttons */
.btn { display: inline-block; padding: 8px 16px; border-radius: 6px; font-weight: 600; border: none; cursor: pointer; font: inherit; text-align: center; }
.btn.primary { background: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-dark); text-decoration: none; }
.btn.ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.3); }
.btn.ghost:hover { background: rgba(255,255,255,.08); text-decoration: none; }

/* Layout */
main.page { padding: 24px 20px 40px; }
.crumbs { color: var(--muted); font-size: 13px; margin: 0 0 14px; }
.crumbs a { color: var(--muted); }
.hero { padding: 20px 0 4px; }
.hero h1 { font-size: 28px; margin: 0 0 8px; letter-spacing: -0.02em; }
.hero .lede { color: var(--muted); font-size: 16px; margin: 0 0 20px; max-width: 640px; }
.cta-row { display: flex; gap: 10px; margin: 8px 0 30px; flex-wrap: wrap; }

.section-h { font-size: 14px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 32px 0 12px; font-weight: 700; }

/* Categories */
.cats { list-style: none; padding: 0; margin: 0 0 12px; display: grid; gap: 8px; grid-template-columns: 1fr 1fr; }
.cats li a { display: block; background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; color: var(--ink); }
.cats li a:hover { border-color: var(--brand); text-decoration: none; }
.cats strong { display: block; color: var(--ink); }
.cats span { display: block; color: var(--muted); font-size: 13px; margin-top: 2px; }
@media (max-width: 640px) { .cats { grid-template-columns: 1fr; } }

/* Thread list */
.thread-list { list-style: none; padding: 0; margin: 0; }
.thread-list li { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 12px 16px; margin: 0 0 8px; }
.thread-list .tt { display: block; font-weight: 600; color: var(--ink); font-size: 16px; margin-bottom: 4px; }
.thread-list .tt:hover { color: var(--brand-dark); text-decoration: none; }
.thread-list .meta { color: var(--muted); font-size: 13px; }
.thread-list .excerpt { color: var(--ink); font-size: 14px; margin: 4px 0 4px; }
.thread-list .excerpt mark { background: #fef3c7; padding: 0 2px; border-radius: 2px; }
.cat, .solved { display: inline-block; padding: 1px 6px; border-radius: 3px; font-size: 12px; font-weight: 600; margin-right: 4px; }
.cat { background: #e0f2fe; color: #075985; }
.solved { background: #dcfce7; color: var(--solved); }

/* Thread + post */
.thread, .post { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 20px 24px; margin: 0 0 12px; }
.thread h1 { margin: 0 0 6px; font-size: 24px; letter-spacing: -0.01em; }
.thread .meta, .post .meta { color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.thread .body, .post .body { font-size: 15px; }
.thread .body p, .post .body p { margin: 8px 0; }
.thread .body pre, .post .body pre { background: var(--code-bg); color: var(--code-ink); padding: 12px 16px; border-radius: 6px; overflow-x: auto; font-size: 13px; margin: 12px 0; }
.thread .body code, .post .body code { background: #e2e8f0; padding: 1px 6px; border-radius: 3px; font-size: 90%; }
.thread .body pre code, .post .body pre code { background: transparent; padding: 0; color: inherit; }
.thread .body blockquote, .post .body blockquote { border-left: 3px solid var(--brand); padding: 4px 12px; color: var(--muted); margin: 8px 0; }
.thread .body ul, .post .body ul { padding-left: 20px; }
.thread .body a, .post .body a { color: var(--brand-dark); text-decoration: underline; }

/* Forms */
.stack { display: flex; flex-direction: column; gap: 14px; max-width: 640px; }
.stack label { display: flex; flex-direction: column; gap: 4px; }
.stack label > span { font-weight: 600; font-size: 14px; }
.stack input, .stack select, .stack textarea, .reply-form textarea {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
  color: var(--ink);
  background: var(--card);
}
.stack input:focus, .stack select:focus, .stack textarea:focus, .reply-form textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(87,160,50,.12);
}
.stack .row, .reply-form .row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.stack .fine, .reply-form .fine { color: var(--muted); font-size: 12px; }
.error { background: #fef2f2; color: var(--danger); border-left: 3px solid var(--danger); padding: 8px 12px; border-radius: 4px; font-size: 14px; }

.reply-form { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 16px 20px; margin-top: 12px; }
.reply-form h3 { margin: 0 0 10px; font-size: 15px; }
.reply-form textarea { width: 100%; margin-bottom: 12px; }

.auth-card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 24px 28px; max-width: 460px; margin: 20px auto; }
.auth-card h1 { margin-top: 0; }
.fine { color: var(--muted); font-size: 13px; }
.empty { color: var(--muted); background: var(--card); border: 1px dashed var(--border); border-radius: 8px; padding: 16px; text-align: center; }

/* Footer */
.site-foot { background: var(--brand-ink); color: #94a3b8; padding: 20px 0; margin-top: 40px; font-size: 12px; }
.site-foot a { color: #cbd5e1; }