/* Checkout estilo Shopify — CSS propio, sin assets de marca de Shopify. */
:root {
  --ck-bg: #ffffff;
  --ck-right-bg: #fafafa;
  --ck-border: #e1e1e1;
  --ck-text: #333333;
  --ck-muted: #707070;
  --ck-accent: #605B55;
  --ck-accent-hover: #4f4a45;
  --ck-radius: 6px;
}

* { box-sizing: border-box; }

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

.ck-header {
  border-bottom: 1px solid var(--ck-border);
}
.ck-header-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px 24px;
}
.ck-logo {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.ck-logo-img {
  height: 44px;
  width: auto;
  display: block;
}

.ck-main {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 0.8fr;
}

.ck-left {
  padding: 32px 48px 48px 24px;
}
.ck-right {
  background: var(--ck-right-bg);
  border-left: 1px solid var(--ck-border);
  padding: 32px 24px 48px 48px;
}

.ck-block { margin-bottom: 28px; }
.ck-block h2 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 12px;
}

.ck-field {
  display: block;
  margin-bottom: 12px;
}
.ck-field span {
  display: block;
  font-size: 13px;
  color: var(--ck-muted);
  margin-bottom: 4px;
}
.ck-field input,
.ck-field select {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--ck-border);
  border-radius: var(--ck-radius);
  font-size: 15px;
  background: #fff;
}
.ck-field input:focus,
.ck-field select:focus {
  outline: none;
  border-color: var(--ck-accent);
  box-shadow: 0 0 0 1px var(--ck-accent);
}

.ck-note {
  font-size: 13px;
  color: var(--ck-muted);
  margin: 4px 0 0;
}

.ck-error {
  background: #fdecea;
  border: 1px solid #f5c2c0;
  color: #a8322d;
  border-radius: var(--ck-radius);
  padding: 12px 14px;
  font-size: 14px;
  margin-bottom: 20px;
}

.ck-err {
  display: block;
  color: #c0392b;
  font-size: 12px;
  font-style: normal;
  margin-top: 4px;
  min-height: 0;
}

.ck-plans { display: grid; gap: 10px; }
.ck-plan {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--ck-border);
  border-radius: var(--ck-radius);
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color 0.15s;
}
.ck-plan:hover { border-color: #b3b3b3; }
.ck-plan input { accent-color: var(--ck-accent); }
.ck-plan-body {
  display: flex;
  justify-content: space-between;
  width: 100%;
}
.ck-plan-name { font-weight: 500; }
.ck-plan-price { color: var(--ck-text); font-weight: 600; }

.ck-pay-btn {
  width: 100%;
  padding: 15px;
  background: var(--ck-accent);
  color: #fff;
  border: none;
  border-radius: var(--ck-radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.ck-pay-btn:hover { background: var(--ck-accent-hover); }

.ck-secure {
  text-align: center;
  font-size: 12px;
  color: var(--ck-muted);
  margin-top: 12px;
}

.ck-summary { position: sticky; top: 24px; }
.ck-summary h2 { font-size: 16px; margin: 0 0 16px; }
.ck-summary-row,
.ck-summary-total {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--ck-border);
}
.ck-summary-total {
  font-size: 18px;
  font-weight: 700;
  border-bottom: none;
  padding-top: 16px;
}
.ck-summary-note {
  font-size: 12px;
  color: var(--ck-muted);
  margin-top: 16px;
}

/* Responsive: una columna; el resumen va arriba como en mobile de Shopify. */
@media (max-width: 760px) {
  .ck-main { grid-template-columns: 1fr; }
  .ck-right {
    order: -1;
    border-left: none;
    border-bottom: 1px solid var(--ck-border);
    padding: 24px;
  }
  .ck-left { padding: 24px; }
}

/* --- Layout del panel admin (sidebar tipo Shopify) --- */
.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 220px;
  background: #f7f6f4;
  border-right: 1px solid var(--ck-border);
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.admin-logo { display: block; margin-bottom: 20px; padding: 0 8px; }
.admin-logo img { height: 34px; width: auto; display: block; }
.admin-nav { display: flex; flex-direction: column; gap: 2px; }
.admin-nav a {
  display: block;
  padding: 10px 12px;
  border-radius: 6px;
  color: var(--ck-text);
  text-decoration: none;
  font-size: 14px;
}
.admin-nav a:hover { background: #ece9e4; }
.admin-nav a.active { background: var(--ck-accent); color: #fff; }
.admin-logout {
  margin-top: auto;
  padding: 10px 12px;
  color: var(--ck-muted);
  text-decoration: none;
  font-size: 13px;
}
.admin-content { flex: 1; padding: 28px 32px; max-width: 1120px; }
.admin-content h1 { font-size: 22px; margin: 0 0 20px; }

@media (max-width: 760px) {
  .admin-shell { flex-direction: column; }
  .admin-sidebar {
    width: auto; height: auto; position: static;
    flex-direction: row; flex-wrap: wrap; align-items: center;
  }
  .admin-logo { margin: 0 12px 0 0; }
  .admin-nav { flex-direction: row; flex-wrap: wrap; }
  .admin-logout { margin: 0 0 0 auto; }
  .admin-content { padding: 20px; }
}