/* ============================================================
   FORM KIT (ENCAPSULADO) - STRIPE LINK (4 VARIANTES + PRUEBA)
   - Stripe Link Violeta   : .stripe-link-violet
   - Stripe Link Grafito   : .stripe-link-graphite
   - Stripe Link Esmeralda : .stripe-link-emerald
   - Stripe Link Pastel    : .stripe-link-pastel
   - Stripe Link Marfil    : .stripe-link-ivory
   IMPORTANTE: Solo aplica dentro de .u-formkit
   ============================================================ */

/* ---------- Base comun (mobile-first) ---------- */
.u-formkit {
  --radius: 14px;
  --radius-lg: 18px;
  --gap: 4px;
  --group-pad: 12px;

  --text: #0b1020;
  --muted: #4b5563;

  --card: #ffffff;
  --panel: #f5f6ff;
  --field-bg: transparent;
  --border: #e5e7ff;
  --shadow: 0 10px 24px rgba(15,23,42,.12);

  --control-bg: #f7f7ff;
  --control-border: #d7dbff;
  --focus: rgba(99,91,255,.18);
  --focus-border: #635bff;
  --placeholder: #9ca3af;

  --accent: #635bff;
  --accent-soft: rgba(99,91,255,.18);
  --accent-weak: rgba(99,91,255,.10);

  --error: #ef4444;
  --error-bg: rgba(239,68,68,.14);
  --success: #10b981;
  --success-bg: rgba(16,185,129,.14);

  color: var(--text);
  font-size: 16px;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

.u-formkit .kit-shell{
  max-width: 980px;
  margin: 0 auto;
  padding: 16px;
}

.u-formkit .kit-card{
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: var(--shadow);
  padding: 16px;
}

@media (min-width: 768px){
  .u-formkit .kit-shell{ padding: 22px; }
  .u-formkit .kit-card{ padding: 22px; }
}

.u-formkit .kit-head{
  display:flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.u-formkit .kit-title{
  margin: 0;
  font-size: 22px;
  line-height: 1.15;
}

@media (min-width: 768px){
  .u-formkit .kit-title{ font-size: 26px; }
}

.u-formkit .kit-subtitle{
  margin: 0;
  opacity: .85;
}

.u-formkit .kit-toolbar{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.u-formkit .kit-themebtn{
  border: 1px solid var(--border);
  background: var(--accent-weak);
  color: inherit;
  border-radius: 999px;
  padding: 8px 12px;
  cursor: pointer;
  min-height: 40px;
  line-height: 1;
}

.u-formkit .kit-themebtn.is-active{
  border-color: var(--accent);
  background: var(--accent-soft);
}

.u-formkit .kit-group{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--group-pad);
}

.u-formkit .u-grid{
  display:grid;
  gap: var(--gap);
  min-width: 0;
}

@media (min-width: 768px){
  .u-formkit .u-grid--2{ grid-template-columns: 1fr 1fr; }
}

.u-formkit .u-field{
  display:grid;
  grid-template-columns: minmax(0, 140px) minmax(0, 1fr);
  align-items:center;
  column-gap: 4px;
  padding: 0;
  border: none;
  background: transparent;
  min-width: 0;
  overflow: hidden;
}

.u-formkit .u-field--full{
  grid-column: 1 / -1;
  grid-template-columns: 1fr;
}

.u-formkit .u-label{
  font-size: 13px;
  font-weight: 600;
  opacity: .9;
}

.u-formkit .u-control{
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 46px;
  padding: 10px 16px;
  border: 1px solid var(--control-border);
  border-radius: 10px;
  background: var(--control-bg);
  color: inherit;
  font-size: 14px;
  outline: none;
  box-sizing: border-box;
  display: block;
}

.u-formkit .u-control--textarea{
  min-height: 120px;
  resize: vertical;
  border-radius: 10px;
}

.u-formkit .u-control--select{
  appearance: none;
  -webkit-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--accent) 50%),
    linear-gradient(135deg, var(--accent) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 50%,
    calc(100% - 12px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 34px;
}

.u-formkit .u-control::placeholder{
  color: var(--placeholder);
}

.u-formkit .u-control:focus-visible,
.u-formkit .u-control:focus{
  border-color: var(--focus-border);
  box-shadow: 0 0 0 3px var(--focus);
}

.u-formkit .u-control:disabled{
  opacity: .55;
  cursor: not-allowed;
}

.u-formkit .u-hint,
.u-formkit .u-error,
.u-formkit .u-success{
  display: none;
}

.u-formkit .u-field.is-invalid .u-control{
  border-color: var(--error);
  box-shadow: 0 0 0 3px var(--error-bg);
  color: var(--error);
}

.u-formkit .u-field.is-valid .u-control{
  border-color: var(--success);
  box-shadow: 0 0 0 3px var(--success-bg);
}

.u-formkit .u-actions{
  display:flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

@media (min-width: 480px){
  .u-formkit .u-actions{
    flex-direction: row;
    justify-content: flex-end;
  }
}

/* Compatibilidad: formularios legacy con .form-group dentro de .u-formkit */
.u-formkit .form-group{
  display:grid;
  grid-template-columns: minmax(0, 140px) minmax(0, 1fr);
  align-items:center;
  column-gap: 4px;
  padding: 0;
  border: none;
  background: transparent;
  min-width: 0;
  overflow: hidden;
  margin-bottom: var(--gap);
}

.u-formkit .form-group label{
  font-size: 13px;
  font-weight: 600;
  opacity: .9;
}

.u-formkit .form-group input:not([type="checkbox"]):not([type="radio"]),
.u-formkit .form-group select,
.u-formkit .form-group textarea{
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 46px;
  padding: 10px 16px;
  border: 1px solid var(--control-border);
  border-radius: 10px;
  background: var(--control-bg);
  color: inherit;
  font-size: 14px;
  outline: none;
  box-sizing: border-box;
  display: block;
}

.u-formkit input:not(.u-control):not([type="checkbox"]):not([type="radio"]):not([type="file"]),
.u-formkit select:not(.u-control),
.u-formkit textarea:not(.u-control){
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 46px;
  padding: 10px 16px;
  border: 1px solid var(--control-border);
  border-radius: 10px;
  background: var(--control-bg);
  color: inherit;
  font-size: 14px;
  outline: none;
  box-sizing: border-box;
  display: block;
}

.u-formkit textarea:not(.u-control){
  min-height: 120px;
  resize: vertical;
  border-radius: 10px;
}

.u-formkit select:not(.u-control){
  appearance: none;
  -webkit-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--accent) 50%),
    linear-gradient(135deg, var(--accent) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 50%,
    calc(100% - 12px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 34px;
}

.u-formkit .form-group textarea{
  min-height: 120px;
  resize: vertical;
  border-radius: 10px;
}

.u-formkit .form-group select{
  appearance: none;
  -webkit-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--accent) 50%),
    linear-gradient(135deg, var(--accent) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 50%,
    calc(100% - 12px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 34px;
}

.u-formkit .form-actions{
  display:flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

@media (min-width: 480px){
  .u-formkit .form-actions{
    flex-direction: row;
    justify-content: flex-end;
  }
}

@media (max-width: 560px){
  .u-formkit .form-group{ grid-template-columns: 1fr; }
}

.u-formkit .btn{
  min-height: 44px;
  border-radius: 999px;
  box-sizing: border-box;
}

.u-formkit .u-alert{
  margin: 10px 0;
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
}
.u-formkit .u-alert--error{
  border-color: rgba(239,68,68,.35);
  background: rgba(239,68,68,.08);
}
.u-formkit .u-alert--success{
  border-color: rgba(16,185,129,.35);
  background: rgba(16,185,129,.08);
}

.u-formkit .u-check{
  display:flex;
  align-items:center;
  gap: 10px;
  flex-wrap: nowrap;
}
.u-formkit .u-check input[type="checkbox"]{
  width: 14px;
  height: 14px;
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--control-border);
  border-radius: 3px;
  background: #fff;
  display: inline-grid;
  place-content: center;
}
.u-formkit .u-check input[type="checkbox"]::before{
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 2px;
  transform: scale(0);
  transition: transform 120ms ease-out;
  background: var(--accent);
}
.u-formkit .u-check input[type="checkbox"]:checked::before{
  transform: scale(1);
}
.u-formkit .u-check label{
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* iOS Safari: inputs de fecha/hora pueden desbordar */
.u-formkit input[type="date"],
.u-formkit input[type="time"],
.u-formkit input[type="datetime-local"]{
  width: 100%;
  max-width: 100%;
  min-width: 0;
  max-inline-size: 100%;
  min-inline-size: 0;
  display: block;
  -webkit-appearance: none;
  appearance: none;
}

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

/* ---------- Variantes de color ---------- */
.u-formkit.stripe-link-violet{
  --panel: #f5f6ff;
  --border: #e5e7ff;
  --control-bg: #f7f7ff;
  --control-border: #d7dbff;
  --focus: rgba(99,91,255,.18);
  --focus-border: #635bff;
  --placeholder: #9ca3af;
  --accent: #635bff;
  --accent-soft: rgba(99,91,255,.18);
  --accent-weak: rgba(99,91,255,.10);
}

.u-formkit.stripe-link-graphite{
  --panel: #f3f4f6;
  --border: #e5e7eb;
  --control-bg: #f8fafc;
  --control-border: #d1d5db;
  --focus: rgba(56,189,248,.18);
  --focus-border: #38bdf8;
  --placeholder: #9ca3af;
  --accent: #111827;
  --accent-soft: rgba(17,24,39,.10);
  --accent-weak: rgba(17,24,39,.06);
}

.u-formkit.stripe-link-emerald{
  --panel: #f1fdf7;
  --border: #d1fae5;
  --control-bg: #f4fdf8;
  --control-border: #a7f3d0;
  --focus: rgba(16,185,129,.16);
  --focus-border: #10b981;
  --placeholder: #9ca3af;
  --accent: #10b981;
  --accent-soft: rgba(16,185,129,.16);
  --accent-weak: rgba(16,185,129,.08);
}

.u-formkit.stripe-link-pastel{
  --panel: #fff6f7;
  --border: #ffe0e7;
  --control-bg: #fff7fb;
  --control-border: #ffd6e3;
  --focus: rgba(248,179,196,.22);
  --focus-border: #f59cb2;
  --placeholder: #a1a1b3;
  --accent: #f59cb2;
  --accent-soft: rgba(245,156,178,.18);
  --accent-weak: rgba(245,156,178,.10);
}

/* Prueba: Marfil / Esmeralda (solo color, mismo layout) */
.u-formkit.stripe-link-ivory{
  --panel: #f5f7f6;
  --border: #e2e8e5;
  --control-bg: #f9fbfa;
  --control-border: #9fbfb5;
  --focus: rgba(47,111,94,.18);
  --focus-border: #2f6f5e;
  --placeholder: #8aa19a;
  --accent: #2f6f5e;
  --accent-soft: rgba(47,111,94,.18);
  --accent-weak: rgba(47,111,94,.10);
}

.u-formkit.stripe-link-ivory .btn-primary{
  background: #2f6f5e !important;
  border-color: #2f6f5e !important;
  color: #ffffff !important;
}
.u-formkit.stripe-link-ivory .btn-primary:active{
  background: #285e50 !important;
  border-color: #285e50 !important;
}
.u-formkit.stripe-link-ivory .btn-secondary{
  background: #ffffff !important;
  border-color: #9fbfb5 !important;
  color: #2f6f5e !important;
}