/* ============================================================
   SOUL LENS STUDIOS — SOLICITUD + FACTURACIÓN
   Brand: Dark theme · Green accent · Clean
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0f;
  --surface: #111118;
  --surface-raised: #181820;
  --surface-hover: #1e1e28;
  --border: #24242e;
  --border-light: #2a2a36;
  --text: #f0f0f5;
  --text-secondary: #9999a8;
  --text-tertiary: #666678;
  --green: #2d8a4e;
  --green-soft: #0f2a1a;
  --green-border: #1a4a2a;
  --amber: #d4a030;
  --amber-soft: #2a2010;
  --red: #d94040;
  --red-soft: #2a1010;
  --blue: #5090c8;
  --blue-soft: #101828;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 3px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3);
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

/* --- Header --- */
.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 17px;
}
.header-logo:hover { text-decoration: none; opacity: .85; }
.logo-icon {
  background: var(--green);
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 7px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}
.header-badge {
  font-size: 12px;
  background: rgba(255,255,255,.06);
  color: var(--text-secondary);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
}

/* --- Layout --- */
.checkout-grid {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 24px;
  display: grid;
  grid-template-columns: 1fr 310px;
  gap: 28px;
  align-items: start;
}
@media (max-width: 820px) {
  .checkout-grid { grid-template-columns: 1fr; }
  .sidebar-col { order: -1; }
}

/* --- Steps Bar --- */
.steps-bar {
  display: flex;
  gap: 4px;
  margin-bottom: 28px;
  overflow-x: auto;
  padding-bottom: 4px;
}
.steps-bar .step {
  flex: 1;
  min-width: 90px;
  padding: 10px 8px;
  border: none;
  background: var(--surface);
  color: var(--text-tertiary);
  font-size: 12px;
  font-weight: 500;
  cursor: default;
  border-radius: var(--radius-sm);
  transition: all .2s;
  text-align: center;
  white-space: nowrap;
  font-family: inherit;
}
.steps-bar .step.active {
  background: var(--green);
  color: #fff;
}
.steps-bar .step.past {
  background: var(--green-soft);
  color: var(--green);
  cursor: pointer;
  border: 1px solid var(--green-border);
}

/* --- Form Step --- */
.form-step { display: none; }
.form-step.active { display: block; animation: fadeIn .25s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

.step-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 6px;
}
.step-sub {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* --- Cards --- */
.linea-cards, .radio-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.linea-card, .radio-card {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  cursor: pointer;
  transition: all .2s;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.linea-card:hover, .radio-card:hover {
  border-color: var(--border-light);
  background: var(--surface-hover);
}
.linea-card.selected, .radio-card.selected {
  border-color: var(--green);
  background: var(--green-soft);
}
.linea-card .lc-icon { font-size: 28px; }
.linea-card .lc-title { font-weight: 600; font-size: 15px; }
.linea-card .lc-desc { font-size: 12px; color: var(--text-tertiary); }
.linea-card .lc-price { font-size: 14px; font-weight: 600; color: var(--green); margin-top: 4px; }
.linea-card input, .radio-card input, .product-card input { display: none; }

/* --- Radio cards --- */
.radio-card .rc-title { font-weight: 600; font-size: 14px; }
.radio-card .rc-desc { font-size: 12px; color: var(--text-tertiary); }

/* --- Form Fields --- */
.field-group {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
}
.field-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 5px;
}
.field-group input,
.field-group select,
.field-group textarea {
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: var(--surface);
  transition: border-color .2s;
  width: 100%;
}
.field-group input::placeholder,
.field-group textarea::placeholder { color: var(--text-tertiary); }
.field-group input:focus,
.field-group select:focus,
.field-group textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(45,138,78,.15);
}
.field-group input.error,
.field-group select.error {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(217,64,64,.15);
}
.field-group .uppercase { text-transform: uppercase; }
.field-hint {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 4px;
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 500px) { .field-row { grid-template-columns: 1fr; } }
select { cursor: pointer; }
select option { background: var(--surface); color: var(--text); }

/* --- Checkbox & Toggle --- */
.checkbox-group { flex-direction: row; }
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  cursor: pointer;
  color: var(--text-secondary);
}
.checkbox-label input[type="checkbox"] { width: auto; margin-top: 2px; accent-color: var(--green); }

.toggle-group { flex-direction: row; }
.toggle-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
}
.toggle-track {
  width: 44px; height: 24px;
  background: var(--border);
  border-radius: 12px;
  position: relative;
  transition: background .2s;
}
.toggle-track::after {
  content: '';
  position: absolute;
  width: 20px; height: 20px;
  background: var(--text);
  border-radius: 50%;
  top: 2px; left: 2px;
  transition: transform .2s;
}
.toggle-label input { display: none; }
.toggle-label input:checked + .toggle-track { background: var(--green); }
.toggle-label input:checked + .toggle-track::after { transform: translateX(20px); background: #fff; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all .2s;
  font-family: inherit;
}
.btn-primary {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}
.btn-primary:hover { background: #23763e; }
.btn-primary:disabled { background: var(--border); border-color: var(--border); color: var(--text-tertiary); cursor: not-allowed; }
.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn-outline:hover { background: var(--surface-hover); color: var(--text); }

.form-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* --- Alert --- */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 20px;
}
.alert-warning {
  background: var(--amber-soft);
  color: #d4a030;
  border: 1px solid #3a2a10;
}

/* --- Config Cards --- */
.config-section { margin-bottom: 24px; }
.config-section h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.config-options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}
.config-card {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  cursor: pointer;
  background: var(--surface);
  transition: all .2s;
}
.config-card:hover { border-color: var(--border-light); background: var(--surface-hover); }
.config-card.selected {
  border-color: var(--green);
  background: var(--green-soft);
}
.config-card .cc-title { font-weight: 600; font-size: 14px; }
.config-card .cc-price { font-size: 16px; font-weight: 700; color: var(--green); margin: 4px 0; }
.config-card .cc-meta { font-size: 11px; color: var(--text-tertiary); }
.config-card.recommended { position: relative; }
.config-card.recommended::before {
  content: '★ Más elegido';
  position: absolute;
  top: -10px;
  left: 12px;
  background: var(--green);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 10px;
}

/* --- Product cards --- */
.prod-card {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 12px;
  cursor: pointer;
  background: var(--surface);
}
.prod-card:hover { border-color: var(--border-light); }
.prod-card.selected { border-color: var(--green); background: var(--green-soft); }
.prod-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}
.prod-card-title { font-weight: 600; font-size: 16px; }
.prod-card-price { font-size: 18px; font-weight: 700; color: var(--green); }
.prod-card-features {
  font-size: 12px; color: var(--text-tertiary); list-style: none;
  display: flex; flex-wrap: wrap; gap: 6px;
}
.prod-card-features li {
  background: rgba(255,255,255,.04); padding: 3px 8px; border-radius: 4px;
}

/* --- Add-ons --- */
.addon-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  font-size: 13px;
  cursor: pointer;
  color: var(--text-secondary);
}
.addon-item:hover { background: var(--surface-hover); }
.addon-item input { width: auto; margin: 0; accent-color: var(--green); }
.addon-price {
  margin-left: auto;
  font-weight: 600;
  color: var(--green);
  font-size: 13px;
  white-space: nowrap;
}

/* --- Review Card --- */
.review-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.review-section { margin-bottom: 16px; }
.review-section:last-child { margin-bottom: 0; }
.review-section h4 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-tertiary);
  margin-bottom: 8px;
}
.review-row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  padding: 4px 0;
}
.review-row .rv-label { color: var(--text-secondary); }
.review-row .rv-value { font-weight: 500; }

/* --- Sidebar --- */
.sidebar-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: sticky;
  top: 80px;
}
.sidebar-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 14px;
}
.sidebar-empty { font-size: 13px; color: var(--text-tertiary); }

.sidebar-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  gap: 12px;
}
.sidebar-item:last-child { border-bottom: none; }
.sidebar-item-name { flex: 1; }
.sidebar-item-price { font-weight: 600; white-space: nowrap; }

.sidebar-total {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 2px solid var(--border-light);
}
.total-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 3px 0;
  color: var(--text-secondary);
}
.total-final {
  font-size: 16px;
  font-weight: 700;
  margin-top: 4px;
  padding-top: 4px;
  border-top: 1px solid var(--border);
}
.sidebar-garantia {
  margin-top: 14px;
  font-size: 11px;
  color: var(--green);
  text-align: center;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* --- Deducibility Card --- */
.deducibility-card {
  background: var(--surface-raised);
  border: 1.5px solid var(--green-border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}
.ded-header {
  background: var(--green-soft);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--green-border);
}
.ded-icon { font-size: 26px; }
.ded-title { font-size: 14px; }
.ded-title strong { color: var(--green); }

.ded-tabs {
  display: flex;
  gap: 2px;
  padding: 6px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}
.ded-tab {
  flex: 1;
  min-width: 110px;
  padding: 8px 6px;
  border: none;
  background: transparent;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-tertiary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all .2s;
  white-space: nowrap;
  font-family: inherit;
}
.ded-tab:hover { background: var(--surface-hover); color: var(--text-secondary); }
.ded-tab.active { background: var(--green-soft); color: var(--green); }

.ded-panel { padding: 18px 20px; }

.ded-calc-row { margin-bottom: 12px; }
.ded-calc-row select {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: inherit;
  background: var(--surface);
  color: var(--text);
}

.ded-result-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}
.ded-result-row:last-child { border-bottom: none; }
.ded-total-row {
  font-size: 14px;
  font-weight: 600;
  padding: 8px 0;
  border-top: 2px solid var(--green);
  margin-top: 4px;
}

.ded-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}
.ded-table th {
  text-align: left;
  padding: 8px 6px;
  background: var(--surface);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .3px;
  color: var(--text-tertiary);
  border-bottom: 2px solid var(--border);
}
.ded-table td {
  padding: 8px 6px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  color: var(--text-secondary);
}
.ded-table td code {
  background: var(--green-soft);
  color: var(--green);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
}
.ded-table tr:hover td { background: var(--surface-hover); }

.ded-checklist {
  list-style: none;
  padding: 0;
  counter-reset: ded-step;
}
.ded-checklist li {
  counter-increment: ded-step;
  padding: 12px 0 12px 40px;
  border-bottom: 1px solid var(--border);
  position: relative;
  font-size: 13px;
}
.ded-checklist li::before {
  content: counter(ded-step);
  position: absolute;
  left: 0;
  top: 12px;
  width: 26px; height: 26px;
  background: var(--green);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}
.ded-checklist li strong {
  display: block;
  font-size: 13px;
  margin-bottom: 2px;
}
.ded-checklist li span {
  font-size: 11px;
  color: var(--text-tertiary);
  display: block;
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
  backdrop-filter: blur(4px);
}
.modal-card {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 480px;
  width: 100%;
  text-align: center;
}
.modal-icon { font-size: 48px; margin-bottom: 12px; }
.modal-card h2 { font-size: 20px; margin-bottom: 8px; }
.modal-card p { font-size: 14px; color: var(--text-secondary); margin-bottom: 8px; }
.modal-details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin: 16px 0;
  text-align: left;
  font-size: 12px;
  color: var(--text-secondary);
}
.modal-details strong { color: var(--text); }
.modal-details hr { border: none; border-top: 1px solid var(--border); margin: 10px 0; }
.loading-card {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
}

/* --- Spinner --- */
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.alert-info {
  font-size: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
}

/* --- Form error --- */
.form-error {
  background: var(--red-soft);
  color: var(--red);
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 16px;
  border: 1px solid #3a1010;
}

/* --- Responsive --- */
@media (max-width: 600px) {
  .checkout-grid { padding: 12px; }
  .linea-cards, .radio-cards { grid-template-columns: 1fr; }
  .config-options { grid-template-columns: 1fr; }
  .step-title { font-size: 18px; }
  .modal-card { padding: 20px; }
  .ded-tabs { flex-wrap: nowrap; }
  .ded-tab { font-size: 10px; padding: 6px 4px; }
  .ded-table { font-size: 10px; }
  .ded-table th, .ded-table td { padding: 6px 4px; }
}