/* ============================================================
   EnviroRegIndex — styles.css
   Extracted from ct-env-hub.html. DO NOT change design tokens.
   Mobile improvements: spacing & line-height only.
   ============================================================ */

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  --bg: #F5F3EE;
  --surface: #FFFFFF;
  --border: #D9D4C9;
  --border-strong: #B5AFA3;
  --text-primary: #1A1915;
  --text-secondary: #5C5850;
  --text-muted: #8A8478;
  --accent-green: #1D5C3A;
  --accent-green-light: #E8F0EC;
  --accent-green-mid: #2E7D52;
  --accent-amber: #8B5E00;
  --accent-amber-light: #FEF3DC;
  --accent-blue: #1B4670;
  --accent-blue-light: #E4ECF5;
  --accent-rust: #7A3020;
  --accent-rust-light: #FAE8E4;
  --tag-bg: #EDEAE4;
  --tag-text: #4A4740;
}

/* ── Reset ──────────────────────────────────────────────────── */
* { box-sizing: border-box; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  margin: 0;
  /* Mobile: slightly looser base line-height */
  line-height: 1.5;
}

.mono { font-family: 'IBM Plex Mono', monospace; }

/* ── Navigation ─────────────────────────────────────────────── */
nav {
  background: var(--text-primary);
  border-bottom: 3px solid var(--accent-green-mid);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
  height: 56px;
}

.nav-logo {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  font-weight: 600;
  color: #FFFFFF;
  letter-spacing: 0.04em;
  text-decoration: none;
  flex-shrink: 0;
  cursor: pointer;
}

.nav-logo span { color: #5CCE8A; }

.nav-search-wrap {
  flex: 1;
  max-width: 420px;
  position: relative;
}

#globalSearch {
  width: 100%;
  padding: 8px 12px 8px 36px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 6px;
  color: #FFFFFF;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
}

#globalSearch::placeholder { color: rgba(255,255,255,0.4); }
#globalSearch:focus {
  border-color: rgba(92,206,138,0.5);
  background: rgba(255,255,255,0.12);
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255,255,255,0.4);
  font-size: 14px;
  pointer-events: none;
}

.nav-tabs {
  display: flex;
  gap: 2px;
  margin-left: auto;
}

.nav-tab {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: rgba(255,255,255,0.55);
  border-radius: 4px;
  transition: all 0.15s;
  cursor: pointer;
  border: none;
  background: none;
  white-space: nowrap;
}

.nav-tab:hover { color: #FFFFFF; background: rgba(255,255,255,0.08); }
.nav-tab.active { color: #5CCE8A; background: rgba(92,206,138,0.1); }

/* ── State Selector ─────────────────────────────────────────── */
/*
 * Sits below the nav. Visually consistent with existing design language:
 * monospace labels, border-based, dark background strip.
 */
.state-bar {
  background: #222220;
  border-bottom: 1px solid #2E2E2A;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none;
}
.state-bar::-webkit-scrollbar { display: none; }

.state-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 0;
  height: 38px;
}

.state-bar-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  padding-right: 16px;
  border-right: 1px solid rgba(255,255,255,0.08);
  margin-right: 12px;
  white-space: nowrap;
  flex-shrink: 0;
}

.state-btn {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.4);
  background: none;
  border: none;
  padding: 0 12px;
  height: 38px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  position: relative;
}

.state-btn:hover { color: rgba(255,255,255,0.8); }

.state-btn.active {
  color: #5CCE8A;
}

.state-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 12px;
  right: 12px;
  height: 2px;
  background: #5CCE8A;
  border-radius: 1px 1px 0 0;
}

.state-btn.coming-soon {
  color: rgba(255,255,255,0.2);
  cursor: default;
}

.state-btn.coming-soon::before {
  content: '';
}

.state-coming-tag {
  font-size: 8px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.25);
  border-radius: 2px;
  padding: 1px 4px;
  margin-left: 5px;
  vertical-align: middle;
  font-family: 'IBM Plex Mono', monospace;
}

/* State loading indicator */
.state-loading {
  display: none;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.05em;
}
.state-loading.visible { display: flex; }

.state-loading-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #5CCE8A;
  animation: pulse 1s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ── Layout ─────────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  background: var(--text-primary);
  padding: 48px 0 52px;
  border-bottom: 1px solid #2A2A26;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #5CCE8A;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: 38px;
  font-weight: 300;
  color: #FFFFFF;
  line-height: 1.2;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.hero h1 strong { font-weight: 600; }

.hero-sub {
  color: rgba(255,255,255,0.5);
  font-size: 15px;
  font-weight: 300;
  margin: 0 0 32px;
  max-width: 560px;
  line-height: 1.65;
}

.hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 22px;
  font-weight: 600;
  color: #5CCE8A;
}

.stat-label {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
}

/* ── Section chrome ─────────────────────────────────────────── */
.section { padding: 40px 0; }

.section-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 20px;
}

.section-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-family: 'IBM Plex Mono', monospace;
  white-space: nowrap;
}

.section-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Category cards (home) ──────────────────────────────────── */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.cat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  cursor: pointer;
  transition: all 0.18s;
  text-decoration: none;
  display: block;
  position: relative;
  overflow: hidden;
  color: inherit;
}

.cat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.cat-card.remediation::before { background: var(--accent-green-mid); }
.cat-card.stormwater::before  { background: var(--accent-blue); }
.cat-card.assessment::before  { background: var(--accent-amber); }

.cat-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 4px 16px rgba(0,0,0,0.07);
  transform: translateY(-1px);
}

.cat-icon {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  margin-bottom: 14px;
}

.cat-card.remediation .cat-icon { background: var(--accent-green-light); }
.cat-card.stormwater  .cat-icon { background: var(--accent-blue-light); }
.cat-card.assessment  .cat-icon { background: var(--accent-amber-light); }

.cat-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--text-primary);
}

.cat-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 16px;
  font-weight: 300;
}

.cat-count {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* ── Views ──────────────────────────────────────────────────── */
.view { display: none; }
.view.active { display: block; }

/* ── Document list ──────────────────────────────────────────── */
.doc-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  /* Mobile: add bottom breathing room */
  padding-bottom: 24px;
}

.doc-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px 20px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: border-color 0.15s;
}

.doc-item:hover { border-color: var(--border-strong); }

/* Badge */
.doc-type-badge {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 3px;
  flex-shrink: 0;
  margin-top: 2px;
  white-space: nowrap;
}

.badge-regulation { background: #EEF2E8; color: #3B6B28; }
.badge-guidance   { background: #E4ECF5; color: #1B4670; }
.badge-permit     { background: #FEF3DC; color: #8B5E00; }
.badge-policy     { background: #FAE8E4; color: #7A3020; }
.badge-form       { background: var(--tag-bg); color: var(--tag-text); }
.badge-manual     { background: #F0EBF8; color: #5B3D80; }

/* Doc body */
.doc-body {
  flex: 1;
  min-width: 0;
}

.doc-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  flex-wrap: wrap;
}

.doc-subcat {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.doc-dot { color: var(--border-strong); font-size: 10px; }

.doc-updated {
  font-size: 11px;
  color: var(--text-muted);
}

.doc-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 5px;
  line-height: 1.45;
}

.doc-desc {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 300;
  line-height: 1.65;
  margin: 0 0 10px;
}

.doc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  padding: 2px 7px;
  background: var(--tag-bg);
  color: var(--tag-text);
  border-radius: 3px;
  letter-spacing: 0.03em;
}

/* Doc link button */
.doc-link {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
  transition: all 0.15s;
  margin-top: 2px;
  white-space: nowrap;
  align-self: flex-start;
}

.doc-link:hover {
  background: var(--text-primary);
  color: #FFFFFF;
  border-color: var(--text-primary);
}

.doc-link svg { width: 12px; height: 12px; }

/* ── Filter bar ─────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-btn {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  background: var(--surface);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.filter-btn:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--text-primary);
  color: #FFFFFF;
  border-color: var(--text-primary);
}

.result-count {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  margin-left: auto;
  padding: 6px 0;
}

/* ── Page header (category pages) ──────────────────────────── */
.page-header {
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}

.breadcrumb {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--accent-green-mid);
  text-decoration: none;
}

.breadcrumb a:hover { text-decoration: underline; }

.page-title {
  font-size: 26px;
  font-weight: 300;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  line-height: 1.25;
}

.page-title strong { font-weight: 600; }

.page-desc {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 300;
  max-width: 600px;
  line-height: 1.65;
}

/* Category colour bar (page headers) */
.cat-header-bar {
  height: 4px;
  border-radius: 2px;
  margin-bottom: 8px;
  display: inline-block;
  width: 40px;
}

.color-green { background: var(--accent-green-mid); }
.color-blue  { background: var(--accent-blue); }
.color-amber { background: var(--accent-amber); }

/* ── Recent updates ─────────────────────────────────────────── */
.updates-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.update-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px 18px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.update-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 5px;
}

.update-card h4 {
  font-size: 13px;
  font-weight: 600;
  margin: 0 0 4px;
  line-height: 1.4;
}

.update-card p {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0;
  font-weight: 300;
  line-height: 1.6;
}

.update-date {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 5px;
  display: block;
}

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

.empty-state .empty-icon { font-size: 40px; margin-bottom: 12px; }

.empty-state h3 {
  font-size: 16px;
  font-weight: 500;
  margin: 0 0 6px;
  color: var(--text-secondary);
}

.empty-state p { font-size: 13px; margin: 0; line-height: 1.6; }

/* Coming soon state */
.coming-soon-state {
  text-align: center;
  padding: 72px 20px;
  color: var(--text-muted);
}

.coming-soon-state .cs-icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.coming-soon-state h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0 0 8px;
}

.coming-soon-state p {
  font-size: 13px;
  color: var(--text-muted);
  max-width: 360px;
  margin: 0 auto;
  line-height: 1.65;
}

.coming-soon-state .cs-state-name {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  background: var(--tag-bg);
  color: var(--tag-text);
  padding: 3px 10px;
  border-radius: 3px;
  display: inline-block;
  margin-bottom: 20px;
}

/* ── Search highlight ───────────────────────────────────────── */
mark {
  background: #FFFACD;
  color: inherit;
  border-radius: 2px;
  padding: 0 1px;
}

/* ── Footer ─────────────────────────────────────────────────── */
footer {
  margin-top: 64px;
  border-top: 1px solid var(--border);
  padding: 28px 0;
  background: var(--surface);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-logo {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
}

.footer-logo span { color: var(--accent-green-mid); }

.footer-note {
  font-size: 12px;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.6;
}

.footer-note a { color: var(--accent-green-mid); text-decoration: none; }
.footer-note a:hover { text-decoration: underline; }

/* ── Responsive / Mobile ────────────────────────────────────── */

/* Tablet */
@media (max-width: 900px) {
  .nav-tabs { gap: 0; }
  .nav-tab  { padding: 6px 10px; font-size: 11px; }
}

/* Mobile */
@media (max-width: 768px) {

  /* Nav */
  .nav-inner { gap: 12px; padding: 0 16px; }
  .nav-tabs  { display: none; }
  .nav-search-wrap { max-width: none; }

  /* State bar */
  .state-bar-inner { padding: 0 16px; }

  /* Hero */
  .hero { padding: 32px 0 36px; }
  .hero-inner { padding: 0 16px; }
  .hero h1 { font-size: 26px; line-height: 1.25; }
  .hero-sub { font-size: 14px; margin-bottom: 24px; }
  .hero-stats { gap: 20px; }
  .stat-num { font-size: 18px; }

  /* Layout */
  .container { padding: 0 16px; }

  /* Cards */
  .cat-grid { grid-template-columns: 1fr; gap: 12px; }
  .cat-card { padding: 20px; }
  .cat-card p { line-height: 1.65; }

  /* Section */
  .section { padding: 28px 0; }

  /* Doc items: stack vertically */
  .doc-item {
    flex-direction: column;
    gap: 12px;
    padding: 16px;
  }

  /* Badge sits on top in mobile stacked layout */
  .doc-type-badge { align-self: flex-start; }

  /* Link becomes full-width on mobile */
  .doc-link {
    align-self: stretch;
    justify-content: center;
    padding: 10px 14px;
  }

  /* Text improvements */
  .doc-title  { font-size: 14px; line-height: 1.5; }
  .doc-desc   { font-size: 13px; line-height: 1.7; }

  /* Page header */
  .page-header { padding: 24px 0 20px; margin-bottom: 24px; }
  .page-title  { font-size: 22px; }
  .page-desc   { font-size: 13px; line-height: 1.7; }

  /* Updates */
  .updates-grid { grid-template-columns: 1fr; }
  .update-card  { padding: 14px 16px; }
  .update-card h4 { font-size: 13px; line-height: 1.45; }
  .update-card p  { font-size: 12px; line-height: 1.65; }

  /* Filter bar: allow horizontal scroll */
  .filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 4px;
    gap: 6px;
  }
  .filter-bar::-webkit-scrollbar { display: none; }
  .result-count { display: none; }

  /* Footer */
  footer { margin-top: 40px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 8px; }
  .footer-note  { max-width: 100%; }
}

/* Very small phones */
@media (max-width: 380px) {
  .hero h1 { font-size: 22px; }
  .state-btn { padding: 0 8px; font-size: 10px; }
}