/* ============================================
   ILLBACK — Estilos globales
   Estética limpia tipo Notion/Linear. Neutros + acento por restaurante.
   ============================================ */

:root {
  --accent: #378ADD;
  --bg: #f7f7f5;
  --surface: #ffffff;
  --text: #1f2328;
  --text-soft: #6b7280;
  --border: #e5e7eb;
  --danger: #d23f3f;
  --success: #2f9e44;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 4px 16px rgba(16, 24, 40, 0.06);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Topbar ---- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; font-size: 1.15rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.topnav { display: flex; align-items: center; gap: 16px; }
.topnav a { color: var(--text-soft); font-weight: 500; }
.topnav a:hover { color: var(--text); text-decoration: none; }
.who { color: var(--text-soft); font-size: 0.9rem; }
.logout-form { margin: 0; }

/* ---- Layout ---- */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}

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

/* ---- Auth ---- */
.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  max-width: 380px;
  margin: 8vh auto 0;
  padding: 32px;
}
.auth-card.center { text-align: center; }
.auth-logo { margin: 0 0 4px; font-size: 1.6rem; font-weight: 800; }
.auth-sub { margin: 0 0 24px; color: var(--text-soft); }

/* ---- Forms ---- */
.form { display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { font-size: 0.85rem; font-weight: 600; color: var(--text-soft); }
input[type="text"], input[type="email"], input[type="password"],
input[type="tel"], input[type="number"], select, textarea {
  width: 100%;
  padding: 11px 12px;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: filter 0.12s ease, background 0.12s ease;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(0.94); }
.btn-ghost { background: transparent; color: var(--text-soft); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 12px; font-size: 0.85rem; }
.btn-lg { padding: 16px 24px; font-size: 1.15rem; }

/* ---- Alerts ---- */
.alert { padding: 12px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 0.92rem; }
.alert-error { background: #fdecec; color: #a12626; border: 1px solid #f5c6c6; }
.alert-success { background: #e9f7ee; color: #1e7a36; border: 1px solid #c3e9d0; }

/* ---- Error page ---- */
.error-title { font-size: 1.4rem; margin: 0 0 8px; }
.error-msg { color: var(--text-soft); margin: 0 0 24px; }

/* ---- Public footer ---- */
.powered {
  text-align: center;
  padding: 24px;
  color: var(--text-soft);
  font-size: 0.85rem;
}
.powered strong { color: var(--text); }

/* ---- Public: join / welcome ---- */
.join-card { max-width: 420px; }
.biz-head { text-align: center; margin-bottom: 20px; }
.biz-logo { width: 72px; height: 72px; object-fit: contain; border-radius: 14px; }
.biz-initials {
  width: 72px; height: 72px; margin: 0 auto 8px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 1.6rem;
}
.biz-name { font-size: 1.5rem; margin: 8px 0 6px; }
.promo { color: var(--text-soft); margin: 0; }
.promo strong { color: var(--text); }

.checkbox { display: flex; gap: 10px; align-items: flex-start; font-size: 0.9rem; color: var(--text-soft); }
.checkbox input { width: 18px; height: 18px; margin-top: 2px; flex: none; }

.check-badge {
  width: 56px; height: 56px; margin: 0 auto 12px; border-radius: 50%;
  background: var(--success); color: #fff; font-size: 1.8rem;
  display: flex; align-items: center; justify-content: center;
}
.stamp-summary { margin: 20px 0; }
.stamp-count { font-size: 2rem; font-weight: 800; color: var(--accent); }
.member-code { letter-spacing: 0.05em; margin: 12px 0 20px; }
.member-code strong { font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; }
.wallet-buttons { margin-top: 8px; }

/* ---- Prose (privacy etc.) ---- */
.prose { max-width: 640px; }
.prose h2 { font-size: 1.05rem; margin: 22px 0 6px; }
.prose p { margin: 0 0 12px; }

/* ---- Scanner ---- */
.scan-head { margin-bottom: 16px; }
.scan-head h1 { margin: 0 0 2px; font-size: 1.4rem; }
.scan-actions { display: flex; flex-direction: column; gap: 14px; }
.reader { width: 100%; max-width: 360px; margin: 0 auto; border-radius: 12px; overflow: hidden; }
.divider { display: flex; align-items: center; text-align: center; color: var(--text-soft); }
.divider::before, .divider::after { content: ""; flex: 1; border-bottom: 1px solid var(--border); }
.divider span { padding: 0 12px; font-size: 0.85rem; }
.search-form { gap: 12px; }
.results-title { font-size: 1rem; margin: 0 0 12px; }
.result-list { list-style: none; padding: 0; margin: 0; }
.result-list li { border-top: 1px solid var(--border); }
.result-list li:first-child { border-top: none; }
.result-list a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 4px; color: var(--text);
}
.result-list a:hover { text-decoration: none; background: var(--bg); }

/* ---- Member card (scanner) ---- */
.member-card { text-align: center; max-width: 460px; margin: 0 auto; }
.member-id h1 { margin: 0 0 2px; font-size: 1.5rem; }
.stamps-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px;
  margin: 24px auto; max-width: 320px;
}
.stamp {
  aspect-ratio: 1 / 1; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; border: 2px solid var(--border);
}
.stamp.filled { background: var(--accent); border-color: var(--accent); color: #fff; }
.stamp.empty { background: #fff; color: transparent; }
.stamp-status { font-size: 1.05rem; margin: 0 0 20px; }
.back-link { margin-top: 12px; }

/* ---- Admin ---- */
.admin-nav {
  display: flex; gap: 4px; flex-wrap: wrap;
  border-bottom: 1px solid var(--border); margin-bottom: 24px;
}
.admin-nav a {
  padding: 10px 14px; color: var(--text-soft); font-weight: 500;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.admin-nav a:hover { color: var(--text); text-decoration: none; }
.admin-nav a.active { color: var(--accent); border-bottom-color: var(--accent); }

.page-head { margin-bottom: 20px; }
.page-head h1 { margin: 0 0 4px; font-size: 1.5rem; }
.back-link-inline { display: inline-block; margin-bottom: 8px; font-size: 0.9rem; }

.card-title { font-size: 1.05rem; margin: 0 0 14px; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }

.metrics-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 20px;
}
.metric { text-align: center; padding: 24px 16px; margin-bottom: 0; }
.metric-value { font-size: 2.2rem; font-weight: 800; color: var(--accent); line-height: 1; }
.metric-label { color: var(--text-soft); font-size: 0.9rem; margin-top: 8px; }

.table-card { padding: 16px 20px; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  text-align: left; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--text-soft); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--border);
}
.data-table td { padding: 12px 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table tr:last-child td { border-bottom: none; }
.row-end { text-align: right; }
.row-end form { margin: 0; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 0.78rem; font-weight: 600; }
.badge-ok { background: #e9f7ee; color: #1e7a36; }
.badge-muted { background: var(--bg); color: var(--text-soft); }

.danger-zone { border-color: #f3d2d2; }
.danger-zone .card-title { color: var(--danger); }

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

/* ---- Platform ---- */
.metrics-4 { grid-template-columns: repeat(4, 1fr); }
.head-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.field-row { display: flex; gap: 16px; }
.field-row .field { flex: 1; }
.small { font-size: 0.82rem; }
.badge-warn { background: #fff4e5; color: #b26a00; }
.badge-danger { background: #fdecec; color: #a12626; }
.status-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.status-actions form { margin: 0; }
.danger-text { color: var(--danger); }

@media (max-width: 720px) {
  .metrics-4 { grid-template-columns: repeat(2, 1fr); }
  .field-row { flex-direction: column; gap: 0; }
}

/* ---- Utilities ---- */
.muted { color: var(--text-soft); }
.center { text-align: center; }