:root {
  --bg: #f4f6fb;
  --card-bg: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --danger: #dc2626;
  --border: #e5e7eb;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  padding: 40px 0 30px;
  text-align: center;
}

.site-header h1 { margin: 0 0 6px; font-size: 2rem; }
.site-header p { margin: 0; opacity: 0.9; }

.generator-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px;
  margin-top: -30px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.generator-card h2, .gallery h2 {
  margin-top: 0;
  font-size: 1.25rem;
}

.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.alert-error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.qr-form { display: flex; flex-direction: column; gap: 16px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; min-width: 0; }

label { font-size: 0.85rem; font-weight: 600; color: var(--muted); }

input[type="text"], input[type="url"], input[type="email"], input[type="tel"], select {
  width: 100%;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  background: #fff;
  color: var(--text);
}

input[type="color"] {
  height: 42px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}

.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 11px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  background: #eceef6;
  color: var(--text);
  transition: background 0.15s ease;
}
.btn:hover { background: #e0e3f0; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }

.btn-small { padding: 7px 14px; font-size: 0.82rem; }
.btn-danger { background: #fee2e2; color: var(--danger); }
.btn-danger:hover { background: #fecaca; }

.gallery { margin: 40px 0 60px; }

.count { color: var(--muted); font-weight: 400; font-size: 1rem; }

.empty-state {
  color: var(--muted);
  background: var(--card-bg);
  padding: 30px;
  border-radius: var(--radius);
  text-align: center;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.qr-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(0,0,0,0.06);
  display: flex;
  flex-direction: column;
}

.qr-image-wrap {
  background: #fafafa;
  padding: 16px;
  display: flex;
  justify-content: center;
  border-bottom: 1px solid var(--border);
}

.qr-image-wrap img { width: 100%; max-width: 160px; height: auto; }

.qr-info { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; }

.qr-info h3 { margin: 0; font-size: 1rem; }

.qr-link {
  color: var(--muted);
  font-size: 0.8rem;
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.qr-link:hover { text-decoration: underline; }

.badge {
  align-self: flex-start;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  background: #ede9fe;
  color: #5b21b6;
}

.qr-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.inline-form { margin: 0; }

.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 20px 0 40px;
}

@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
}

/* --- Type tabs --- */
.type-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.type-tab {
  border: 1px solid var(--border);
  background: #f8f9fc;
  color: var(--muted);
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.type-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.hint { font-weight: 400; color: var(--muted); font-size: 0.78rem; }

.section-note {
  background: #eef2ff;
  color: #3730a3;
  border: 1px solid #e0e7ff;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin: 4px 0 16px;
}

/* --- Dynamic link rows (social bundle builder) --- */
#link-rows { display: flex; flex-direction: column; gap: 10px; margin-bottom: 12px; }

.link-row {
  display: grid;
  grid-template-columns: 140px 1fr 1.4fr auto;
  gap: 8px;
  align-items: center;
}

.link-row select,
.link-row input {
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.88rem;
}

.remove-link-row {
  border: none;
  background: #fee2e2;
  color: var(--danger);
  width: 34px;
  height: 34px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn-secondary {
  background: #eef2ff;
  color: var(--primary-dark);
  border: 1px solid #e0e7ff;
  align-self: flex-start;
}
.btn-secondary:hover { background: #e0e7ff; }

@media (max-width: 640px) {
  .link-row { grid-template-columns: 1fr; }
}

/* --- Public bio-link profile page --- */
.profile-body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  padding: 20px;
}

.profile-page { width: 100%; max-width: 420px; }

.profile-card {
  background: #fff;
  border-radius: 20px;
  padding: 36px 28px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}

.profile-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  font-size: 1.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.profile-card h1 { margin: 0 0 6px; font-size: 1.4rem; color: var(--text); }
.profile-bio { margin: 0 0 24px; color: var(--muted); font-size: 0.92rem; }

.profile-links { display: flex; flex-direction: column; gap: 10px; }

.profile-link-btn {
  display: block;
  padding: 13px 18px;
  border-radius: 10px;
  background: #f4f6fb;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  text-transform: capitalize;
  border: 1px solid var(--border);
  transition: transform 0.1s ease, background 0.15s ease;
}

.profile-link-btn:hover { background: #ede9fe; transform: translateY(-1px); }