/* SignalShare — design tokens
   bg #0B0E14 · surface #131820 · border #232B36
   text #E6EDF3 · muted #8592A3 · accent (signal amber) #FF8A3D
   TLP: clear #C7D0DB · green #3FB950 · amber #FF8A3D · red #F85149
   display: Space Grotesk · body: Inter · utility: JetBrains Mono
*/

* { box-sizing: border-box; }
:root {
  --bg: #0B0E14;
  --surface: #131820;
  --surface-2: #171D27;
  --border: #232B36;
  --text: #E6EDF3;
  --muted: #8592A3;
  --accent: #FF8A3D;
  --tlp-clear: #C7D0DB;
  --tlp-green: #3FB950;
  --tlp-amber: #FF8A3D;
  --tlp-red: #F85149;
}

html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.55;
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

h1, h2, h3 { font-family: 'Space Grotesk', sans-serif; font-weight: 700; line-height: 1.2; margin: 0 0 .5em; }
a { color: var(--text); text-decoration: none; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(11,14,20,.9);
  backdrop-filter: blur(6px);
  position: sticky; top: 0; z-index: 20;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; gap: 16px; }
.logo { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.15rem; display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.logo-mark { font-family: 'JetBrains Mono', monospace; color: var(--accent); }
.main-nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; font-size: .92rem; }
.main-nav a { color: var(--muted); }
.main-nav a:hover { color: var(--text); }
.btn-nav-post { border: 1px solid var(--accent); color: var(--accent) !important; padding: 6px 12px; border-radius: 6px; font-family: 'JetBrains Mono', monospace; font-size: .82rem; }
.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.4rem; cursor: pointer; }

.page-body { min-height: 70vh; padding: 32px 20px 20px; }

/* Flash messages */
.flash { padding: 12px 16px; border-radius: 6px; margin-bottom: 20px; font-size: .92rem; border: 1px solid; }
.flash-success { background: rgba(63,185,80,.08); border-color: rgba(63,185,80,.4); color: #7EE08C; }
.flash-error { background: rgba(248,81,73,.08); border-color: rgba(248,81,73,.4); color: #FF9B94; }

/* TLP stamp — signature element */
.tlp {
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .04em;
  padding: 3px 8px;
  border: 1px solid currentColor;
  border-radius: 3px;
  text-transform: uppercase;
  cursor: help;
}
.tlp-clear { color: var(--tlp-clear); }
.tlp-green { color: var(--tlp-green); }
.tlp-amber { color: var(--tlp-amber); }
.tlp-red   { color: var(--tlp-red); }

.category-tag { font-family: 'JetBrains Mono', monospace; font-size: .72rem; color: var(--muted); border: 1px dashed var(--border); padding: 3px 8px; border-radius: 3px; }
.tag-hidden { color: var(--tlp-red); border-color: var(--tlp-red); }

/* Feed */
.feed-header h1 { font-size: 1.8rem; }
.category-pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 28px; }
.pill { font-size: .82rem; padding: 6px 12px; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); }
.pill:hover { border-color: var(--accent); color: var(--text); }
.pill-active { background: var(--surface-2); color: var(--text); border-color: var(--accent); }

.post-list { display: flex; flex-direction: column; gap: 18px; }
.post-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: 8px;
  padding: 20px 22px;
  transition: border-color .15s;
}
.post-card:hover { border-left-color: var(--accent); }
.post-card-top { display: flex; gap: 10px; margin-bottom: 10px; }
.post-card h2 { font-size: 1.25rem; margin: 4px 0; }
.post-excerpt { color: var(--muted); margin: 8px 0; font-size: .95rem; }
.post-meta { font-family: 'JetBrains Mono', monospace; font-size: .78rem; color: var(--muted); display: flex; gap: 8px; flex-wrap: wrap; }
.post-meta a { color: var(--muted); }
.post-meta a:hover { color: var(--accent); }

.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }

.pagination { display: flex; gap: 8px; justify-content: center; margin: 32px 0; }
.pagination a { padding: 6px 12px; border: 1px solid var(--border); border-radius: 6px; color: var(--muted); font-family: 'JetBrains Mono', monospace; font-size: .85rem; }
.pagination .page-active { border-color: var(--accent); color: var(--accent); }

/* Post full page */
.post-full h1 { font-size: 2rem; margin-top: 6px; }
.post-body { margin-top: 24px; font-size: 1.02rem; }
.post-body h2, .post-body h3 { margin-top: 1.4em; }
.post-body pre { background: var(--surface-2); border: 1px solid var(--border); border-radius: 6px; padding: 14px; overflow-x: auto; font-family: 'JetBrains Mono', monospace; font-size: .85rem; }
.post-body code { font-family: 'JetBrains Mono', monospace; background: var(--surface-2); padding: 1px 5px; border-radius: 3px; font-size: .9em; }
.inline-form { margin-top: 24px; }

/* Comments */
.comments { margin-top: 48px; border-top: 1px solid var(--border); padding-top: 28px; }
.comment-form textarea { width: 100%; }
.comment-form { margin-bottom: 24px; }
.comment { padding: 14px 0; border-bottom: 1px solid var(--border); }
.comment-meta { font-family: 'JetBrains Mono', monospace; font-size: .78rem; color: var(--muted); margin-bottom: 6px; }
.cta-login { color: var(--muted); }

/* Forms */
label { display: block; margin-bottom: 16px; font-size: .88rem; color: var(--muted); }
input, textarea, select {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: inherit;
  font-size: .95rem;
}
textarea { resize: vertical; font-family: 'Inter', sans-serif; }
input:focus, textarea:focus, select:focus { border-color: var(--accent); }
.field-row { display: flex; gap: 16px; }
.field-row label { flex: 1; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.btn { display: inline-block; padding: 10px 20px; border-radius: 6px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text); font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: .92rem; cursor: pointer; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #14100A; }
.btn-primary:hover { opacity: .9; color: #14100A; }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { border-color: var(--tlp-red); color: var(--tlp-red); background: transparent; }
.btn-danger:hover { background: rgba(248,81,73,.1); }
.btn-sm { padding: 6px 12px; font-size: .8rem; }

.auth-card, .editor-card { max-width: 480px; margin: 0 auto; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 32px; }
.editor-card { max-width: 720px; }
.editor-sub { color: var(--muted); margin-top: -8px; margin-bottom: 24px; font-size: .92rem; }
.auth-switch { text-align: center; color: var(--muted); font-size: .9rem; }
.auth-switch a { color: var(--accent); }

/* Profile */
.profile-header { border-bottom: 1px solid var(--border); padding-bottom: 24px; margin-bottom: 28px; }
.profile-header h1 { font-size: 1.6rem; }
.profile-joined { font-family: 'JetBrains Mono', monospace; font-size: .8rem; color: var(--muted); }
.admin-tag { font-family: 'JetBrains Mono', monospace; font-size: .7rem; color: var(--accent); border: 1px solid var(--accent); border-radius: 3px; padding: 2px 6px; vertical-align: middle; }
.bio-form { margin-top: 16px; max-width: 480px; }

/* Ads */
.ad-slot { margin: 28px 0; text-align: center; }
.ad-placeholder { border: 1px dashed var(--border); color: var(--muted); font-family: 'JetBrains Mono', monospace; font-size: .78rem; padding: 22px; border-radius: 6px; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); margin-top: 40px; padding: 32px 0 16px; color: var(--muted); font-size: .85rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.tlp-legend { display: flex; flex-direction: column; gap: 6px; font-size: .78rem; }
.tlp-legend > div { display: flex; align-items: center; gap: 8px; }
.copyright { margin-top: 20px; font-size: .78rem; opacity: .7; }

/* Admin table */
.admin-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.admin-table th, .admin-table td { text-align: left; padding: 10px; border-bottom: 1px solid var(--border); }
.admin-table th { color: var(--muted); font-family: 'JetBrains Mono', monospace; font-weight: 500; font-size: .78rem; text-transform: uppercase; }
.admin-actions form { display: flex; gap: 6px; }

/* Responsive */
@media (max-width: 720px) {
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--border); flex-direction: column; padding: 16px 20px; gap: 14px; }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .field-row { flex-direction: column; gap: 0; }
  .footer-inner { flex-direction: column; }
}