/* ================================================================
   Seguros Erasmus – Insurance Calculator Pro  |  frontend.css
================================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --sei-primary: #1a3a6b;
  --sei-accent:  #e8650a;
  --sei-green:   #16a34a;
  --sei-red:     #dc2626;
  --sei-border:  #e5e8ef;
  --sei-bg:      #f8f9fb;
  --sei-text:    #111827;
  --sei-text2:   #4b5563;
  --sei-text3:   #9ca3af;
  --sei-r:       10px;
  --sei-r-sm:    6px;
}

.sei-form-wrap * { box-sizing: border-box; }
.sei-form-wrap { font-family: 'Inter', -apple-system, sans-serif; color: var(--sei-text); }

/* ── Steps bar ───────────────────────────────────────────── */
.sei-steps-bar {
  display: flex;
  background: #fff;
  border: 1px solid var(--sei-border);
  border-radius: var(--sei-r);
  overflow: hidden;
  margin-bottom: 20px;
}
.sei-step-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--sei-text3);
  border-right: 1px solid var(--sei-border);
  transition: all .2s;
}
.sei-step-item:last-child { border-right: none; }
.sei-step-num {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--sei-border);
  color: var(--sei-text3);
  font-size: 10px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 4px;
  transition: all .2s;
}
.sei-step-lbl { font-size: 10px; }
.sei-step-active { background: #e8f0fb; color: var(--sei-primary); }
.sei-step-active .sei-step-num { background: var(--sei-primary); color: #fff; }
.sei-step-done { background: #f0fdf4; color: var(--sei-green); }
.sei-step-done .sei-step-num { background: var(--sei-green); color: #fff; }

/* ── Layout ──────────────────────────────────────────────── */
.sei-form-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 20px;
  align-items: start;
}
@media (max-width: 768px) {
  .sei-form-layout { grid-template-columns: 1fr; }
  .sei-summary-wrap { order: -1; }
}

/* ── Panel ───────────────────────────────────────────────── */
.sei-panel {
  display: none;
  background: #fff;
  border: 1px solid var(--sei-border);
  border-radius: var(--sei-r);
  padding: 24px;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.sei-panel-active { display: block; animation: seiFadeIn .2s ease; }
@keyframes seiFadeIn { from { opacity:0; transform:translateY(6px); } to { opacity:1; transform:none; } }

.sei-panel-title { font-size: 18px; font-weight: 700; color: var(--sei-text); margin-bottom: 4px; }
.sei-panel-sub   { font-size: 13px; color: var(--sei-text2); margin-bottom: 20px; }

/* ── Seguros grid ────────────────────────────────────────── */
.sei-seguros-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.sei-seg-card {
  border: 2px solid var(--sei-border);
  border-radius: var(--sei-r);
  padding: 16px;
  cursor: pointer;
  transition: all .18s;
  position: relative;
}
.sei-seg-card:hover  { border-color: var(--sei-primary); background: #e8f0fb; }
.sei-seg-card.sei-seg-selected { border-color: var(--sei-primary); background: #e8f0fb; }
.sei-seg-card.sei-seg-selected::after {
  content: '✓';
  position: absolute; top: 10px; right: 12px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--sei-primary);
  color: #fff;
  font-size: 10px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.sei-seg-icon  { font-size: 28px; margin-bottom: 8px; }
.sei-seg-name  { font-size: 14px; font-weight: 700; color: var(--sei-text); margin-bottom: 4px; }
.sei-seg-desc  { font-size: 11px; color: var(--sei-text2); line-height: 1.4; margin-bottom: 8px; }
.sei-seg-price { font-size: 13px; font-weight: 600; color: var(--sei-primary); }
.sei-seg-badge { display: inline-block; margin-top: 4px; padding: 2px 8px; border-radius: 99px; font-size: 10px; font-weight: 600; background: #fff3ec; color: var(--sei-accent); }

/* ── Fechas ──────────────────────────────────────────────── */
.sei-date-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 12px; }
.sei-duration-pill { background: #e8f0fb; color: var(--sei-primary); padding: 8px 16px; border-radius: 99px; font-size: 13px; font-weight: 600; text-align: center; margin-bottom: 12px; }

/* ── TSE ─────────────────────────────────────────────────── */
.sei-tse-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 20px; }
.sei-tse-card {
  border: 2px solid var(--sei-border);
  border-radius: var(--sei-r);
  padding: 16px;
  cursor: pointer;
  transition: all .18s;
}
.sei-tse-card:hover   { border-color: var(--sei-primary); }
.sei-tse-card.sei-tse-selected { border-color: var(--sei-primary); background: #e8f0fb; }
.sei-tse-icon  { font-size: 24px; margin-bottom: 8px; }
.sei-tse-title { font-size: 13px; font-weight: 700; margin-bottom: 4px; }
.sei-tse-desc  { font-size: 11px; color: var(--sei-text2); line-height: 1.4; }

/* ── Campi ───────────────────────────────────────────────── */
.sei-fields-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.sei-field       { display: flex; flex-direction: column; gap: 4px; }
.sei-field-full  { grid-column: 1 / -1; }
.sei-label       { font-size: 12px; font-weight: 600; color: var(--sei-text2); }
.sei-field-hint  { font-size: 10px; color: var(--sei-text3); }
.sei-input {
  padding: 10px 12px;
  border: 1.5px solid var(--sei-border);
  border-radius: var(--sei-r-sm);
  font-family: inherit;
  font-size: 14px;
  color: var(--sei-text);
  outline: none;
  transition: border-color .15s;
  background: #fff;
}
.sei-input:focus { border-color: var(--sei-primary); }
select.sei-input { cursor: pointer; }
textarea.sei-input { resize: vertical; min-height: 64px; }

/* ── Auth options ────────────────────────────────────────── */
.sei-auth-opts  { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.sei-auth-opt {
  border: 1.5px solid var(--sei-border);
  border-radius: var(--sei-r);
  padding: 12px 14px;
  cursor: pointer;
  transition: all .15s;
  display: flex;
  align-items: center;
  gap: 12px;
}
.sei-auth-opt:hover { border-color: var(--sei-primary); }
.sei-auth-opt--active { border-color: var(--sei-primary); background: #e8f0fb; }
.sei-auth-opt-icon  { font-size: 20px; flex-shrink: 0; }
.sei-auth-opt-title { font-size: 13px; font-weight: 600; }
.sei-auth-opt-desc  { font-size: 11px; color: var(--sei-text2); }
.sei-auth-sub { background: var(--sei-bg); border-radius: var(--sei-r-sm); padding: 12px; margin-top: 4px; }

/* ── Legal ───────────────────────────────────────────────── */
.sei-legal-check { font-size: 12px; color: var(--sei-text2); margin-bottom: 16px; display: flex; align-items: flex-start; gap: 8px; }
.sei-legal-check a { color: var(--sei-primary); }

/* ── Stripe ──────────────────────────────────────────────── */
.sei-pay-section { margin-top: 4px; }
.sei-pay-title { font-size: 13px; font-weight: 600; color: var(--sei-text); margin-bottom: 10px; }
.sei-stripe-element { padding: 12px; border: 1.5px solid var(--sei-border); border-radius: var(--sei-r-sm); margin-bottom: 12px; background: #fff; }
.sei-stripe-error { color: var(--sei-red); font-size: 12px; margin-bottom: 8px; }
.sei-pay-sep { text-align: center; font-size: 12px; color: var(--sei-text3); margin: 14px 0; position: relative; }
.sei-pay-sep::before, .sei-pay-sep::after {
  content: ''; position: absolute; top: 50%; width: 45%; height: 1px; background: var(--sei-border);
}
.sei-pay-sep::before { left: 0; }
.sei-pay-sep::after  { right: 0; }

/* ── Buttons ─────────────────────────────────────────────── */
.sei-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 11px 22px;
  border-radius: var(--sei-r-sm);
  font-family: inherit; font-size: 14px; font-weight: 600;
  cursor: pointer; border: none;
  transition: all .15s; line-height: 1;
  text-decoration: none;
}
.sei-btn-primary { background: var(--sei-accent); color: #fff; }
.sei-btn-primary:hover { background: #c95508; }
.sei-btn-primary:disabled { background: #d1d5db; cursor: not-allowed; }
.sei-btn-outline { background: #fff; color: var(--sei-primary); border: 1.5px solid var(--sei-border); }
.sei-btn-outline:hover { border-color: var(--sei-primary); }
.sei-btn-full { width: 100%; }
.sei-btn-pay { margin-top: 4px; }
.sei-btn-row { display: flex; gap: 10px; justify-content: space-between; align-items: center; margin-top: 20px; }
.sei-btn-row--right { justify-content: flex-end; }

/* ── Warn ────────────────────────────────────────────────── */
.sei-warn { background: #fff7ed; border: 1px solid #fed7aa; border-radius: var(--sei-r-sm); padding: 10px 14px; font-size: 12px; color: #92400e; margin-top: 8px; }

/* ── Summary ─────────────────────────────────────────────── */
.sei-summary-wrap { position: sticky; top: 24px; }
.sei-summary {
  background: #fff;
  border: 1px solid var(--sei-border);
  border-radius: var(--sei-r);
  padding: 18px 20px;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.sei-summary-title { font-size: 14px; font-weight: 700; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--sei-border); }
.sei-summary-empty { font-size: 12px; color: var(--sei-text3); text-align: center; padding: 16px 0; }
.sei-sum-row { display: flex; justify-content: space-between; align-items: center; font-size: 13px; padding: 5px 0; color: var(--sei-text2); border-bottom: 1px solid var(--sei-border); }
.sei-sum-row:last-child { border-bottom: none; }
.sei-sum-row strong { color: var(--sei-text); }
.sei-sum-total { font-size: 16px; font-weight: 700; color: var(--sei-primary) !important; padding-top: 10px !important; margin-top: 4px; border-top: 2px solid var(--sei-primary) !important; }
.sei-coupon-wrap { display: flex; gap: 6px; margin-top: 12px; }
.sei-coupon-input { flex: 1; padding: 8px 10px; border: 1.5px solid var(--sei-border); border-radius: var(--sei-r-sm); font-size: 12px; font-family: inherit; outline: none; }
.sei-coupon-input:focus { border-color: var(--sei-primary); }
.sei-coupon-btn { padding: 8px 12px; background: var(--sei-primary); color: #fff; border: none; border-radius: var(--sei-r-sm); font-size: 12px; font-weight: 600; cursor: pointer; }
.sei-coupon-msg { font-size: 11px; margin-top: 4px; }
.sei-coupon-ok  { color: var(--sei-green); }
.sei-coupon-err { color: var(--sei-red); }