@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;600;700&family=Roboto+Slab:wght@400;600;700&display=swap');

/* Same variable system as the main TCA Tools site, so this tool matches
   visually and shares the same dark/light toggle mechanism (data-theme
   attribute + localStorage). Tool-specific extensions (danger/warning)
   added on top, not present in the shared base. */
:root {
  --color-primary:   #3EA37B;
  --color-dark:      #23474E;
  --color-secondary: #54595F;
  --color-text:      #7A7A7A;
  --color-border:    #CECECE;
  --color-danger:    #c0392b;
  --color-warning:   #b8860b;

  --bg:              #ffffff;
  --bg-subtle:       #f7f8f9;
  --bg-card:         #ffffff;
  --text:            #1a1a1a;
  --text-muted:      #7A7A7A;
  --border:          #CECECE;
  --shadow:          0 1px 4px rgba(0,0,0,0.08);
  --shadow-hover:    0 4px 16px rgba(0,0,0,0.12);
  --radius:          12px;
}

[data-theme="dark"] {
  --bg:           #1a2a2e;
  --bg-subtle:    #152228;
  --bg-card:      #23474E;
  --text:         #f0f0f0;
  --text-muted:   #a8c0c4;
  --border:       #3a5a62;
  --shadow:       0 1px 4px rgba(0,0,0,0.3);
  --shadow-hover: 0 4px 16px rgba(0,0,0,0.4);
}

[data-theme="light"] {
  --bg:           #ffffff;
  --bg-subtle:    #f7f8f9;
  --bg-card:      #ffffff;
  --text:         #1a1a1a;
  --text-muted:   #7A7A7A;
  --border:       #CECECE;
  --shadow:       0 1px 4px rgba(0,0,0,0.08);
  --shadow-hover: 0 4px 16px rgba(0,0,0,0.12);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Roboto', system-ui, sans-serif;
  font-size: 16px;
  color: var(--text);
  background: var(--bg);
  margin: 0;
  line-height: 1.6;
  transition: background 0.2s, color 0.2s;
}

h1, h2, h3 {
  font-family: 'Roboto Slab', Georgia, serif;
  color: var(--color-dark);
}
[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3 { color: var(--text); }

a { color: var(--color-primary); }

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.container--wide { max-width: 1200px; }

.site-nav--wide .site-nav__inner { max-width: 1200px; }

/* ── Nav (matches main TCA Tools site) ─────────────────── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.2s, background 0.2s;
}
.site-nav.scrolled { box-shadow: var(--shadow-hover); }
.site-nav__inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.site-nav__logo {
  font-family: 'Roboto Slab', serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
  text-decoration: none;
}
[data-theme="dark"] .site-nav__logo { color: var(--text); }
.site-nav__actions { display: flex; align-items: center; gap: 12px; }
.btn-theme {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 0.78rem;
  color: var(--text-muted);
  transition: border-color 0.15s, color 0.15s;
}
.btn-theme:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ── Footer (matches main TCA Tools site) ──────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  margin-top: 64px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.card--accent { border-top: 4px solid var(--color-primary); }

.btn {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 10px 20px;
  font-size: 15px;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { opacity: 0.9; text-decoration: none; }

.btn--secondary {
  background: transparent;
  color: var(--color-dark);
  border: 1px solid var(--border);
}
[data-theme="dark"] .btn--secondary { color: var(--text); }

.btn--danger { background: var(--color-danger); }

.step-list { list-style: none; padding: 0; margin: 0; }
.step-list li {
  display: flex;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.step-list li:last-child { border-bottom: none; }
.step-num {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: bold;
  font-size: 14px;
}

.muted { color: var(--text-muted); font-size: 14px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--text-muted); font-weight: 600; }

.badge {
  display: inline-block;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 12px;
  background: var(--bg-subtle);
  color: var(--text-muted);
}
.badge--pending { background: #fdf1d6; color: var(--color-warning); }
.badge--revoked { background: #fbeceb; color: var(--color-danger); }
.badge--active { background: #e5f5ef; color: var(--color-primary); }

input[type="text"], input[type="file"], select {
  font-size: 15px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  width: 100%;
  background: var(--bg);
  color: var(--text);
}

.stat-strip {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.stat-strip .stat { font-size: 14px; color: var(--text-muted); }
.stat-strip .stat strong { color: var(--color-dark); font-size: 18px; display: block; }
[data-theme="dark"] .stat-strip .stat strong { color: var(--text); }

.error-box {
  background: #fbeceb;
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
  border-radius: 6px;
  padding: 12px 14px;
  font-size: 14px;
  margin-bottom: 16px;
}

.menu-wrap { position: relative; display: inline-block; }
.menu-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  color: var(--text-muted);
  padding: 2px 6px;
  border-radius: 4px;
}
.menu-btn:hover { background: var(--bg-subtle); }
.menu-popover {
  position: absolute;
  right: 0;
  top: 100%;
  z-index: 10;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: var(--shadow-hover);
  padding: 6px;
  min-width: 160px;
  display: none;
}
.menu-popover.open { display: block; }
.menu-popover button, .menu-popover a {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 6px 8px;
  font-size: 13px;
  cursor: pointer;
  border-radius: 4px;
  color: var(--text);
}
.menu-popover button:hover { background: var(--bg-subtle); }
.menu-popover .danger { color: var(--color-danger); }

.tier-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2px 4px 2px 10px;
  font-size: 12px;
  margin: 2px 4px 2px 0;
}

.expand-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-primary);
  font-size: 13px;
  padding: 0;
}

.history-panel { padding: 10px 0; font-size: 13px; }