/* =========================================================
   REFIDER · Registro Premium · TEMA CLARO
   Independiente de app.css
   ========================================================= */

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

:root {
  /* Base clara */
  --rg-bg: #f8fafc;
  --rg-bg-2: #ffffff;
  --rg-surface: #ffffff;
  --rg-surface-2: #f1f5f9;
  --rg-text: #0f172a;
  --rg-text-2: #334155;
  --rg-muted: #64748b;
  --rg-muted-2: #94a3b8;

  /* Borders */
  --rg-border: #e2e8f0;
  --rg-border-2: #cbd5e1;

  /* Acento */
  --rg-primary: #4f46e5;
  --rg-primary-2: #6366f1;
  --rg-primary-soft: #eef2ff;
  --rg-violet: #8b5cf6;
  --rg-cyan: #06b6d4;

  /* Estado */
  --rg-success: #059669;
  --rg-success-soft: #ecfdf5;
  --rg-danger: #dc2626;
  --rg-danger-soft: #fef2f2;
  --rg-warn: #d97706;

  /* Radios y sombras */
  --rg-radius: 14px;
  --rg-radius-lg: 22px;
  --rg-shadow-sm: 0 1px 2px rgba(15,23,42,.05);
  --rg-shadow: 0 4px 14px -4px rgba(15,23,42,.08), 0 2px 4px -2px rgba(15,23,42,.04);
  --rg-shadow-lg: 0 20px 50px -20px rgba(79,70,229,.25), 0 10px 20px -10px rgba(15,23,42,.08);
}

/* ---------- Base ---------- */
html, body.rg-body {
  margin: 0; padding: 0;
  min-height: 100vh;
  background: var(--rg-bg);
  color: var(--rg-text);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color-scheme: light;
}

/* ---------- Fondo decorativo ---------- */
.rg-bg {
  position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none;
}
.rg-bg__blob {
  position: absolute; border-radius: 50%; filter: blur(90px);
}
.rg-bg__blob--1 {
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(99,102,241,.28), transparent 65%);
  top: -180px; left: -140px;
}
.rg-bg__blob--2 {
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(139,92,246,.22), transparent 65%);
  top: 20%; right: -160px;
}
.rg-bg__blob--3 {
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(6,182,212,.18), transparent 65%);
  bottom: -200px; left: 30%;
}
.rg-bg__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(15,23,42,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,23,42,.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
}

/* ---------- Shell layout ---------- */
.rg-shell {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
  gap: 24px;
}

/* =========================================================
   COLUMNA VISUAL (IZQUIERDA)
   ========================================================= */
.rg-visual {
  position: relative;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 44px 48px;
  border-radius: var(--rg-radius-lg);
  background:
    radial-gradient(600px 300px at 20% 0%, rgba(99,102,241,.18), transparent 60%),
    radial-gradient(500px 400px at 100% 100%, rgba(139,92,246,.16), transparent 65%),
    linear-gradient(160deg, #ffffff 0%, #f5f7ff 100%);
  border: 1px solid var(--rg-border);
  overflow: hidden;
}
.rg-visual::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(rgba(79,70,229,.12) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(ellipse at 50% 50%, #000 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, #000 20%, transparent 70%);
  pointer-events: none;
}

.rg-brand {
  display: inline-flex; align-items: center; gap: 12px;
  text-decoration: none; color: var(--rg-text);
  position: relative; z-index: 1;
}
.rg-brand__mark {
  display: grid; place-items: center;
  width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, var(--rg-primary), var(--rg-violet));
  color: #fff; font-size: 22px;
  box-shadow: 0 10px 24px -10px rgba(79,70,229,.6);
}
.rg-brand__text {
  display: inline-flex; flex-direction: column; line-height: 1.1;
  font-weight: 800; letter-spacing: -.01em;
  color: var(--rg-text);
}
.rg-brand__text small {
  font-size: 10.5px; letter-spacing: .22em;
  color: var(--rg-muted); font-weight: 700; margin-top: 2px;
}

.rg-visual__content {
  position: relative; z-index: 1;
  max-width: 480px;
}
.rg-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 999px;
  background: #fff;
  border: 1px solid var(--rg-border);
  box-shadow: var(--rg-shadow-sm);
  font-size: 12.5px; font-weight: 600; color: var(--rg-primary);
  letter-spacing: .02em;
}
.rg-badge i { font-size: 14px; }

.rg-visual__content h2 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.15; letter-spacing: -.025em; font-weight: 700;
  color: var(--rg-text);
  margin: 22px 0 14px;
}
.rg-visual__content p {
  color: var(--rg-muted); font-size: 16px; line-height: 1.65;
  margin: 0 0 32px;
}
.rg-grad {
  background: linear-gradient(120deg, #4f46e5, #8b5cf6 50%, #06b6d4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.rg-steps {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 14px;
}
.rg-steps li {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 14px 16px;
  background: rgba(255,255,255,.75);
  border: 1px solid var(--rg-border);
  border-radius: var(--rg-radius);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: transform .25s ease, box-shadow .25s ease;
}
.rg-steps li:hover {
  transform: translateX(4px);
  box-shadow: var(--rg-shadow);
}
.rg-steps__num {
  flex-shrink: 0;
  display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: 10px;
  background: linear-gradient(135deg, var(--rg-primary), var(--rg-violet));
  color: #fff; font-weight: 800; font-size: 13px;
  box-shadow: 0 8px 16px -8px rgba(79,70,229,.6);
}
.rg-steps b {
  display: block; font-size: 14px; color: var(--rg-text);
  margin-bottom: 2px;
}
.rg-steps small { color: var(--rg-muted); font-size: 13px; }

.rg-visual__footer {
  position: relative; z-index: 1;
  display: flex; flex-wrap: wrap; gap: 10px;
}
.rg-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; border-radius: 999px;
  background: #fff;
  border: 1px solid var(--rg-border);
  font-size: 12px; font-weight: 600; color: var(--rg-text-2);
}
.rg-pill i { color: var(--rg-success); font-size: 14px; }

/* =========================================================
   COLUMNA FORMULARIO (DERECHA)
   ========================================================= */
.rg-panel {
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.rg-form {
  width: 100%; max-width: 460px;
  background: var(--rg-surface);
  border: 1px solid var(--rg-border);
  border-radius: var(--rg-radius-lg);
  padding: 36px 34px 30px;
  box-shadow: var(--rg-shadow-lg);
}

.rg-form__head { text-align: left; margin-bottom: 22px; }
.rg-form__logo {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 22px;
}
.rg-form__mark {
  display: grid; place-items: center;
  width: 40px; height: 40px; border-radius: 11px;
  background: linear-gradient(135deg, var(--rg-primary), var(--rg-violet));
  color: #fff; font-size: 20px;
  box-shadow: 0 10px 20px -10px rgba(79,70,229,.6);
}
.rg-form__brand {
  font-weight: 800; font-size: 16px; color: var(--rg-text);
  letter-spacing: -.01em;
}
.rg-form__brandsub {
  display: block;
  font-size: 11px; letter-spacing: .18em;
  color: var(--rg-muted); font-weight: 700; margin-top: 1px;
}
.rg-form__head h1 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-size: 26px; font-weight: 700; letter-spacing: -.02em;
  color: var(--rg-text);
  margin: 0 0 4px;
}
.rg-form__head p {
  color: var(--rg-muted); font-size: 14.5px; margin: 0;
}

/* ---------- Alert ---------- */
.rg-alert {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 14px; border-radius: var(--rg-radius);
  background: var(--rg-danger-soft);
  border: 1px solid #fecaca;
  color: #991b1b;
  font-size: 13.5px;
  margin-bottom: 18px;
  animation: rgShake .35s ease;
}
.rg-alert i { font-size: 18px; flex-shrink: 0; margin-top: 1px; color: var(--rg-danger); }
@keyframes rgShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* ---------- Fields ---------- */
.rg-field { margin-bottom: 16px; }
.rg-field label {
  display: block;
  font-size: 13px; font-weight: 600; color: var(--rg-text-2);
  margin-bottom: 6px;
}
.rg-opt { color: var(--rg-muted-2); font-weight: 500; }

.rg-input {
  position: relative;
  display: flex; align-items: center;
  background: var(--rg-surface);
  border: 1.5px solid var(--rg-border);
  border-radius: var(--rg-radius);
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
  overflow: hidden;
}
.rg-input > i {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  font-size: 17px; color: var(--rg-muted);
  pointer-events: none;
  transition: color .2s ease;
}
.rg-input input,
.rg-input select {
  flex: 1;
  width: 100%;
  padding: 12px 14px 12px 42px;
  border: none; outline: none;
  background: transparent;
  font-family: inherit; font-size: 14.5px; color: var(--rg-text);
  border-radius: inherit;
  -webkit-appearance: none;
  appearance: none;
  cursor: text;
}
.rg-input select { cursor: pointer; padding-right: 40px; }
.rg-input select::-ms-expand { display: none; }

/* Flecha custom para select */
.rg-input:has(select)::after {
  content: '';
  position: absolute; right: 16px; top: 50%;
  width: 8px; height: 8px;
  border-right: 2px solid var(--rg-muted);
  border-bottom: 2px solid var(--rg-muted);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
  transition: border-color .2s ease;
}

.rg-input input::placeholder { color: var(--rg-muted-2); }

.rg-input:hover { border-color: var(--rg-border-2); }
.rg-input:focus-within {
  border-color: var(--rg-primary);
  box-shadow: 0 0 0 4px rgba(99,102,241,.14);
}
.rg-input:focus-within > i { color: var(--rg-primary); }

.rg-input.is-invalid {
  border-color: #fca5a5;
  background: #fff7f7;
}
.rg-input.is-invalid > i { color: var(--rg-danger); }

.rg-hint {
  display: block;
  font-size: 12px; color: var(--rg-muted);
  margin-top: 6px;
}

/* Ojo (password toggle) */
.rg-eye {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border: none; background: transparent;
  color: var(--rg-muted); cursor: pointer;
  border-radius: 8px;
  transition: background .2s ease, color .2s ease;
  font-size: 17px;
}
.rg-eye:hover { background: var(--rg-surface-2); color: var(--rg-text); }

/* Fuerza */
.rg-strength {
  display: flex; gap: 4px; margin-top: 8px;
}
.rg-strength span {
  flex: 1; height: 4px; border-radius: 999px;
  background: var(--rg-border);
  transition: background .25s ease;
}
.rg-strength span.is-weak { background: #ef4444; }
.rg-strength span.is-fair { background: #f59e0b; }
.rg-strength span.is-good { background: #3b82f6; }
.rg-strength span.is-strong { background: #10b981; }

/* ---------- Botones ---------- */
.rg-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 20px; border-radius: var(--rg-radius);
  font-family: inherit; font-size: 14.5px; font-weight: 600;
  cursor: pointer; border: none;
  text-decoration: none;
  position: relative; overflow: hidden;
  transition: transform .2s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
  white-space: nowrap;
}
.rg-btn i { font-size: 17px; }
.rg-btn:hover { transform: translateY(-1px); }
.rg-btn--primary {
  background: linear-gradient(135deg, var(--rg-primary), var(--rg-violet));
  color: #fff;
  box-shadow: 0 10px 24px -10px rgba(79,70,229,.6);
}
.rg-btn--primary:hover {
  box-shadow: 0 16px 32px -12px rgba(79,70,229,.7);
}
.rg-btn--primary::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.35) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform .8s ease;
}
.rg-btn--primary:hover::before { transform: translateX(100%); }
.rg-btn--lg { padding: 14px 22px; font-size: 15px; }

.rg-submit {
  width: 100%;
  margin-top: 8px;
}

/* ---------- Footer ---------- */
.rg-foot {
  text-align: center;
  font-size: 13.5px; color: var(--rg-muted);
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--rg-border);
}
.rg-foot a {
  color: var(--rg-primary); font-weight: 600;
  text-decoration: none;
  transition: color .2s ease;
}
.rg-foot a:hover { color: var(--rg-violet); text-decoration: underline; }

/* =========================================================
   ÉXITO
   ========================================================= */
.rg-success {
  width: 100%; max-width: 460px;
  background: var(--rg-surface);
  border: 1px solid var(--rg-border);
  border-radius: var(--rg-radius-lg);
  padding: 46px 36px 36px;
  box-shadow: var(--rg-shadow-lg);
  text-align: center;
  animation: rgPop .45s cubic-bezier(.2,.9,.3,1.2);
}
@keyframes rgPop {
  from { opacity: 0; transform: scale(.94); }
  to   { opacity: 1; transform: scale(1); }
}
.rg-success__icon {
  position: relative;
  width: 74px; height: 74px; margin: 0 auto 22px;
  display: grid; place-items: center;
  border-radius: 22px;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff; font-size: 36px;
  box-shadow: 0 20px 40px -20px rgba(16,185,129,.7);
}
.rg-success__ring {
  position: absolute; inset: -6px; border-radius: inherit;
  border: 2px solid rgba(16,185,129,.35);
  animation: rgRing 2s ease-in-out infinite;
}
@keyframes rgRing {
  0%, 100% { transform: scale(1); opacity: .6; }
  50% { transform: scale(1.08); opacity: 0; }
}
.rg-success h1 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-size: 24px; font-weight: 700; letter-spacing: -.02em;
  color: var(--rg-text); margin: 0 0 10px;
}
.rg-success p {
  color: var(--rg-muted); font-size: 14.5px; line-height: 1.6;
  margin: 0 0 22px;
}
.rg-success p b { color: var(--rg-text); font-weight: 700; }

.rg-success__meta {
  display: flex; flex-direction: column; gap: 8px;
  padding: 14px 16px; margin-bottom: 24px;
  background: var(--rg-surface-2);
  border-radius: var(--rg-radius);
  text-align: left;
}
.rg-success__meta span {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--rg-text-2);
}
.rg-success__meta i { color: var(--rg-primary); font-size: 16px; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 980px) {
  .rg-shell {
    grid-template-columns: 1fr;
    padding: 16px;
    gap: 16px;
  }
  .rg-visual { padding: 32px 28px; min-height: auto; }
  .rg-visual__content h2 { font-size: 26px; margin-top: 16px; }
  .rg-visual__content p { font-size: 14.5px; margin-bottom: 22px; }
  .rg-steps { gap: 10px; }
  .rg-panel { padding: 8px; }
  .rg-form { padding: 28px 22px 24px; }
}

@media (max-width: 520px) {
  .rg-visual__footer { display: none; }
  .rg-form__head h1 { font-size: 22px; }
  .rg-success { padding: 36px 24px 28px; }
}

/* ---------- Accesibilidad ---------- */
.rg-body a:focus-visible,
.rg-body button:focus-visible,
.rg-body input:focus-visible,
.rg-body select:focus-visible {
  outline: 2px solid var(--rg-primary);
  outline-offset: 2px;
  border-radius: 8px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}