/*
 * BIU Media — login.css
 * Diseño dos-columnas estilo Apple: marino izq / blanco der
 * v13 — Feb 2026
 */

/* ══════════════════════════════════════════════════════
   LAYOUT PRINCIPAL
   ══════════════════════════════════════════════════════ */
.biu-auth {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  font-family: var(--biu-font, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
}

/* ══════════════════════════════════════════════════════
   PANEL IZQUIERDO — Branding marino
   ══════════════════════════════════════════════════════ */
.biu-auth__brand {
  background: var(--biu-marine, #020D12);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  position: relative;
  overflow: hidden;
}

/* Glow teal sutil */
.biu-auth__brand::before {
  content: '';
  position: absolute;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(91,184,172,0.14) 0%, transparent 68%);
  top: -120px;
  right: -120px;
  pointer-events: none;
}

/* Glow coral en esquina inferior */
.biu-auth__brand::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,107,84,0.08) 0%, transparent 70%);
  bottom: -60px;
  left: -60px;
  pointer-events: none;
}

.biu-auth__brand-inner {
  position: relative;
  z-index: 1;
  max-width: 360px;
}

.biu-auth__brand-inner img {
  height: 36px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
}

.biu-auth__brand-inner h2 {
  font-size: 30px;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin: 36px 0 14px;
}

.biu-auth__brand-inner p {
  font-size: 15px;
  color: rgba(255,255,255,0.50);
  line-height: 1.55;
  margin-bottom: 36px;
}

/* Features list */
.biu-auth__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 13px;
  padding: 0;
}

.biu-auth__features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  font-weight: 400;
}

.biu-auth__features li i {
  color: var(--biu-primary, #5BB8AC);
  font-size: 13px;
  flex-shrink: 0;
}

.biu-auth__brand-sep {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.biu-auth__brand-tagline {
  font-size: 11px;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ══════════════════════════════════════════════════════
   PANEL DERECHO — Formulario
   ══════════════════════════════════════════════════════ */
.biu-auth__form {
  background: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 40px;
}

.biu-auth__form-inner {
  width: 100%;
  max-width: 360px;
}

.biu-auth__form-inner h1 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--biu-text, #1D1D1F);
  margin-bottom: 6px;
  line-height: 1.2;
}

.biu-auth__sub {
  font-size: 14px;
  color: var(--biu-text-muted, #6E6E73);
  margin-bottom: 32px;
  line-height: 1.4;
}

.biu-auth__sub a {
  color: var(--biu-primary, #5BB8AC);
  text-decoration: none;
  font-weight: 500;
}
.biu-auth__sub a:hover { color: var(--biu-primary-dark, #4aa09a); }

/* Alertas */
.biu-auth-alert {
  display: none;
  padding: 11px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 18px;
  line-height: 1.4;
  border-left: 3px solid transparent;
}
.biu-auth-alert--error {
  display: block;
  background: rgba(239,68,68,0.08);
  color: #b91c1c;
  border-left-color: #ef4444;
}
.biu-auth-alert--success {
  display: block;
  background: rgba(34,197,94,0.08);
  color: #15803d;
  border-left-color: #22c55e;
}

/* ── Campos ── */
.biu-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 14px;
  position: relative;
}

.biu-field label {
  font-size: 13px !important;
  font-weight: 500 !important;
  color: var(--biu-text, #1D1D1F) !important;
  letter-spacing: 0 !important;
  text-transform: none !important;
  margin: 0 !important;
  padding: 0 !important;
  display: block;
}

.biu-field input {
  height: 46px;
  padding: 0 14px;
  font-size: 15px !important;
  border: 1.5px solid rgba(0,0,0,0.14) !important;
  border-radius: 9px !important;
  background: #FFFFFF !important;
  color: var(--biu-text, #1D1D1F) !important;
  transition: border-color 0.12s, box-shadow 0.12s;
  outline: none;
  width: 100%;
  margin: 0 !important;
  line-height: 1;
}

.biu-field input::placeholder {
  color: var(--biu-text-light, #AEAEB2) !important;
  font-size: 14px;
}

.biu-field input:focus {
  border-color: var(--biu-primary, #5BB8AC) !important;
  box-shadow: 0 0 0 3px rgba(91,184,172,0.14) !important;
}

.biu-field input.is-invalid {
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.10) !important;
}

.biu-field--pass input { padding-right: 46px; }

.biu-field__eye {
  position: absolute;
  right: 12px;
  bottom: 14px;
  background: none;
  border: none;
  color: var(--biu-text-light, #AEAEB2);
  cursor: pointer;
  font-size: 14px;
  padding: 0;
  line-height: 1;
  transition: color 0.12s;
}
.biu-field__eye:hover { color: var(--biu-primary, #5BB8AC); }

/* Enlace olvidé contraseña */
.biu-auth__forgot {
  display: inline-block;
  font-size: 13px;
  color: var(--biu-text-muted, #6E6E73);
  text-decoration: none;
  margin-bottom: 22px;
  transition: color 0.12s;
}
.biu-auth__forgot:hover { color: var(--biu-primary, #5BB8AC); }

/* ── Botón submit ── */
.biu-btn-submit {
  width: 100%;
  height: 48px;
  background: var(--biu-marine, #020D12);
  color: #FFFFFF;
  border: none;
  border-radius: 9px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: -0.01em;
  transition: background 0.22s, box-shadow 0.22s, transform 0.12s;
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.biu-btn-submit:hover {
  background: var(--biu-primary, #5BB8AC);
  box-shadow: 0 8px 32px rgba(91,184,172,0.22);
  transform: translateY(-1px);
  color: #FFFFFF;
}
.biu-btn-submit:active  { transform: translateY(0); }
.biu-btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* ── Tarjetas de tipo de registro ── */
.biu-register-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 8px;
}

.biu-register-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 18px 16px;
  border: 1.5px solid rgba(0,0,0,0.10);
  border-radius: 12px;
  text-decoration: none;
  background: #FFFFFF;
  transition: border-color 0.12s, box-shadow 0.12s, transform 0.12s;
  cursor: pointer;
}
.biu-register-card:hover {
  border-color: var(--biu-primary, #5BB8AC);
  box-shadow: 0 4px 16px rgba(91,184,172,0.16);
  transform: translateY(-2px);
}

.biu-register-card__icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--biu-primary-light, #E6F7F5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  color: var(--biu-primary, #5BB8AC);
}

.biu-register-card h6 {
  font-size: 14px;
  font-weight: 600;
  color: var(--biu-text, #1D1D1F);
  margin: 0;
}

.biu-register-card p {
  font-size: 12px;
  color: var(--biu-text-muted, #6E6E73);
  line-height: 1.4;
  margin: 0;
}

/* Legales */
.biu-auth__legal {
  margin-top: 20px;
  font-size: 12px;
  color: var(--biu-text-light, #AEAEB2);
  text-align: center;
}
.biu-auth__legal a {
  color: var(--biu-text-muted, #6E6E73);
  text-decoration: none;
}
.biu-auth__legal a:hover { text-decoration: underline; }

/* Divider "o" */
.biu-auth__divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
}
.biu-auth__divider::before,
.biu-auth__divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(0,0,0,0.09);
}
.biu-auth__divider span {
  font-size: 12px;
  color: var(--biu-text-light, #AEAEB2);
  white-space: nowrap;
}

/* ══════════════════════════════════════════════════════
   LEGACY — compatibilidad con código antiguo
   ══════════════════════════════════════════════════════ */
.login_background { background: #FFFFFF; }

.infield {
  position: relative;
  margin: 8px 0;
}

.infield input {
  width: 100%;
  padding: 12px 14px;
  background: #FFFFFF !important;
  border: 1.5px solid rgba(0,0,0,0.14) !important;
  border-radius: 9px !important;
  outline: none;
  font-size: 15px !important;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.infield input:focus {
  border-color: var(--biu-primary, #5BB8AC) !important;
  box-shadow: 0 0 0 3px rgba(91,184,172,0.14) !important;
}

.infield label {
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--biu-primary, #5BB8AC);
  transition: width 0.25s;
  border: none !important;
  padding: 0 !important;
  margin: 0 !important;
  text-transform: none !important;
}

.infield input:focus ~ label { width: 100%; }

/* ══════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .biu-auth { grid-template-columns: 1fr; }
  .biu-auth__brand { display: none; }
  .biu-auth__form {
    padding: 48px 24px;
    min-height: 100vh;
    align-items: flex-start;
    padding-top: 72px;
  }
  .biu-auth__form-inner { max-width: 420px; margin: 0 auto; }
}

@media (max-width: 480px) {
  .biu-auth__form { padding: 48px 20px; }
  .biu-register-grid { grid-template-columns: 1fr; }
}