:root {
  --bg: #0b0f14;
  --text: #e6edf3;
  --muted: #9aa4af;
  --card: #111823;
  --border: #223042;
  --accent: #4cb0ff;
  --accent-2: #7ad0c9;
  --radius: 14px;
}

* { box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  margin: 0;
}

.navbar { background: rgba(17, 24, 35, 0.9); border-bottom: 1px solid var(--border); }
.navbar a { color: var(--text) !important; }
.navbar .navbar-brand { font-weight: 700; }

main { padding: 32px 0; }
.section-heading { margin-bottom: 18px; }
.card { background: var(--card); color: var(--text); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 10px 35px rgba(0,0,0,0.35); }
.card h2, .card h3, .card h4 { color: var(--text); }
.card .text-muted { color: var(--muted) !important; }
.text-muted { color: var(--muted) !important; }

.btn-primary { background: linear-gradient(90deg, var(--accent), var(--accent-2)); border: none; color: #0a0f14; font-weight: 600; }
.btn-outline-light { border-color: var(--border); color: var(--text); }
.btn-outline-light:hover { background: var(--border); color: var(--text); }

.badge-custom { background: rgba(124, 131, 142, 0.2); color: var(--text); border: 1px solid var(--border); }

.list-group-item { background: var(--card); color: var(--text); border-color: var(--border); }
.form-check-input { background-color: var(--card); border: 1px solid var(--border); }
.form-check-input:checked { background-color: var(--accent); border-color: var(--accent); }

.footer { padding: 24px 0; color: var(--muted); font-size: 0.95rem; }
.footer a { color: var(--text); text-decoration: none; margin: 0 6px; }
.footer a:hover { text-decoration: underline; }
.minimal-footer { text-align: center; }
.minimal-footer .footer-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.minimal-footer a { color: var(--muted); margin: 0; }
.minimal-footer .footer-sep { color: var(--muted); opacity: 0.8; }

.hero { padding: 36px; border: 1px solid var(--border); border-radius: var(--radius); background: radial-gradient(circle at 20% 20%, rgba(76,176,255,0.08), transparent 35%), radial-gradient(circle at 80% 30%, rgba(122,208,201,0.08), transparent 30%), var(--card); }
.hero h1 { margin-bottom: 12px; }
.hero p { color: var(--muted); margin-bottom: 20px; }

.section-gap { margin-top: 28px; }
.checklist h3 { margin-top: 18px; }
.project-card { min-height: 140px; }

.related { margin-top: 16px; }

/* AI disclaimer banner */
.ai-disclaimer {
  margin: 16px 0;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(17, 24, 35, 0.9);
  color: var(--text);
  font-size: 0.95rem;
}
.ai-disclaimer .row-line { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; }
.ai-disclaimer .actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.ai-disclaimer .action-btn {
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  padding: 6px 10px;
  cursor: pointer;
  font-size: 0.92rem;
}
.ai-disclaimer .action-btn:hover { background: var(--border); }
.ai-disclaimer .read-more { color: var(--accent); background: var(--card); }
.ai-disclaimer .helper { font-size: 0.85rem; color: var(--muted); margin-top: 6px; }
.ai-disclaimer .expanded { margin-top: 10px; color: var(--muted); line-height: 1.5; white-space: pre-line; }
.ai-disclaimer[data-hidden="true"] { display: none; }

/* Footer badge */
.footer-badge { margin-top: 8px; }
.ai-badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: none;
}
.footer .ai-badge { padding: 4px 8px; font-size: 0.9rem; background: var(--card); color: var(--muted); border-color: var(--border); }
.footer .ai-badge:hover { color: var(--text); }
.ai-badge:hover { color: var(--text); text-decoration: none; border-color: var(--accent); }
.ai-badge .tooltip {
  position: absolute;
  bottom: 110%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(17, 24, 35, 0.95);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  white-space: nowrap;
  font-size: 0.9rem;
  box-shadow: 0 10px 25px rgba(0,0,0,0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
  z-index: 5;
}
.ai-badge .tooltip-toggle {
  background: var(--border);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  padding: 0;
  cursor: pointer;
}
.ai-badge .tooltip-toggle:hover { background: var(--card); }
.ai-badge:focus .tooltip,
.ai-badge:hover .tooltip {
  opacity: 1;
}
.ai-badge[data-show="true"] .tooltip {
  opacity: 1;
  pointer-events: auto;
}