:root {
  --brand: #0f4c81;
  --brand-dark: #0a3660;
  --bg: #f4f6f9;
  --card-bg: #ffffff;
  --text: #1c2530;
  --text-muted: #5b6774;
  --border: #e3e8ee;
  --danger: #c0392b;
  --radius: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

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

.page {
  max-width: 560px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

.site-header {
  text-align: center;
  margin-bottom: 24px;
}

.site-header .logo {
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--brand-dark);
}

.site-header .tagline {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-top: 4px;
}

.panel {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: 0 1px 3px rgba(20, 30, 45, 0.08), 0 8px 24px rgba(20, 30, 45, 0.06);
}

h1 { font-size: 1.4rem; margin: 0 0 4px; }
h2 { font-size: 1.1rem; margin: 24px 0 10px; }
.subtitle { color: var(--text-muted); margin: 0 0 20px; font-size: 0.95rem; }

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin: 14px 0 6px;
  color: var(--text);
}
label .hint { font-weight: 400; color: var(--text-muted); }

input[type=text], input[type=email], input[type=tel], input[type=url], input[type=password], textarea, select {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: inherit;
  background: #fff;
  color: var(--text);
}

input:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: 1px; }

textarea { resize: vertical; min-height: 70px; }

.field-row { display: flex; gap: 12px; }
.field-row > div { flex: 1; }

.btn {
  display: inline-block;
  text-align: center;
  padding: 12px 20px;
  border-radius: 10px;
  border: none;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--brand-dark); }
.btn.block { display: block; width: 100%; margin-top: 22px; }
.btn.secondary { background: #eef2f7; color: var(--text); }
.btn.secondary:hover { background: #e1e7ee; }

.error-box {
  background: #fdecea;
  border: 1px solid #f4c7c1;
  color: var(--danger);
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.success-box {
  background: #eaf7ee;
  border: 1px solid #c3e6cb;
  color: #1e7a34;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.form-footer { font-size: 0.8rem; color: var(--text-muted); margin-top: 18px; text-align: center; }

/* Tarjeta pública */
.card-hero {
  text-align: center;
}

.card-photo {
  width: 108px;
  height: 108px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 14px;
  display: block;
  border: 3px solid #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.12);
}

.card-photo.placeholder {
  background: var(--brand);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  font-weight: 700;
}

.card-name { font-size: 1.4rem; font-weight: 700; margin: 0; }
.card-title { color: var(--text-muted); margin: 2px 0 0; }
.card-company { color: var(--brand); font-weight: 600; margin: 2px 0 0; }

.contact-list {
  list-style: none;
  padding: 0;
  margin: 22px 0 0;
}
.contact-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}
.contact-list li:last-child { border-bottom: none; }
.contact-list .icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: #eef2f7;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.05rem;
}
.contact-list a { color: var(--text); text-decoration: none; word-break: break-word; }
.contact-list a:hover { color: var(--brand); }

.qr-box {
  text-align: center;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px dashed var(--border);
}
.qr-box #qrcode { display: inline-block; margin: 10px auto; }
.qr-box .qr-caption { font-size: 0.82rem; color: var(--text-muted); margin-top: 6px; }

.action-row { display: flex; gap: 10px; margin-top: 20px; }
.action-row .btn { flex: 1; }

.share-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 26px;
}

.token-box {
  background: #fff8e6;
  border: 1px solid #f0dca0;
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 0.85rem;
  margin-top: 16px;
  word-break: break-all;
}

.token-box strong { display: block; margin-bottom: 4px; }

@media (max-width: 420px) {
  .field-row { flex-direction: column; gap: 0; }
  .action-row { flex-direction: column; }
}

/* Panel de administrador */
.page.wide { max-width: 880px; }

.admin-nav {
  display: flex;
  gap: 4px;
  background: var(--card-bg);
  border-radius: 12px;
  padding: 6px;
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(20, 30, 45, 0.08);
  flex-wrap: wrap;
}
.admin-nav a {
  padding: 9px 14px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
}
.admin-nav a.active { background: var(--brand); color: #fff; }
.admin-nav a:hover:not(.active) { background: #eef2f7; color: var(--text); }
.admin-nav a.logout { margin-left: auto; color: var(--danger); }

.admin-table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.admin-table th, .admin-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.admin-table th { color: var(--text-muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
.admin-table td.actions { display: flex; gap: 8px; }
.admin-table a.mini-btn, .admin-table button.mini-btn {
  font-size: 0.82rem;
  padding: 6px 10px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  font-family: inherit;
}
.admin-table a.mini-btn:hover, .admin-table button.mini-btn:hover { background: #eef2f7; }
.admin-table button.mini-btn.danger { color: var(--danger); border-color: #f0c9c3; }
.admin-table button.mini-btn.danger:hover { background: #fdecea; }

.empty-state { text-align: center; color: var(--text-muted); padding: 40px 20px; }

.stat-row { display: flex; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.stat-card {
  flex: 1;
  min-width: 120px;
  background: var(--card-bg);
  border-radius: 12px;
  padding: 16px 18px;
  box-shadow: 0 1px 3px rgba(20, 30, 45, 0.08);
}
.stat-card .stat-value { font-size: 1.6rem; font-weight: 700; color: var(--brand-dark); }
.stat-card .stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }