:root {
  --login-blue: #16467f;
  --login-blue-light: #1f5797;
  --login-gold: #e0a71c;
  --login-white: #ffffff;
  --login-error: #ffb4ab;
}

* {
  box-sizing: border-box;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

html,
body {
  min-height: 100%;
}

body.login-page {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: #17212c;
  color: var(--login-white);
}

.login-shell {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  background-image: url('../images/login/login-migrantes-pantalla-completa.webp');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  isolation: isolate;
}

.login-hero {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/*
 * Compatibilidad con versiones anteriores de la vista.
 * La portada previa incluía un SVG decorativo con esta clase; si PHP u OPcache
 * conserva temporalmente ese HTML, el navegador lo pinta en negro porque el
 * diseño actual ya no define los colores de sus trazos.
 */
.login-wave {
  display: none !important;
}

.login-hero__shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(19, 22, 31, 0.25) 0%, rgba(12, 18, 27, 0.08) 45%, rgba(7, 13, 20, 0.2) 100%),
    linear-gradient(90deg, rgba(43, 34, 42, 0.14) 0%, rgba(15, 22, 31, 0.02) 52%, rgba(8, 14, 22, 0.15) 100%);
}

.login-brand {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(34px, 5vw, 78px);
  width: min(1265px, 88vw);
  margin: clamp(38px, 7.5vh, 76px) auto 0;
}

.login-brand__institutions {
  flex: 1 1 auto;
  min-width: 0;
  max-width: 900px;
}

.login-brand__idhac {
  flex: 0 0 clamp(215px, 19vw, 275px);
}

.login-brand img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 3px 8px rgba(0, 0, 0, 0.5));
}

.login-stage {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 100vh;
  min-height: 100svh;
  padding: 0 20px 20px;
}

.login-content {
  width: min(332px, 100%);
  transform: translateY(clamp(18px, 4.8vh, 38px));
}

.login-content .login-box {
  position: relative;
  width: 100%;
  min-height: 376px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(133, 103, 65, 0.7) 0%, rgba(23, 26, 30, 0.88) 57%, rgba(5, 10, 16, 0.93) 100%);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.38);
  -webkit-backdrop-filter: blur(8px) saturate(115%);
  backdrop-filter: blur(8px) saturate(115%);
  perspective: 900px;
  transition: min-height 0.4s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.login-content .login-box:hover {
  box-shadow: 0 19px 42px rgba(0, 0, 0, 0.44);
}

.login-content .login-box .login-form,
.login-content .login-box .forget-form {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: 18px 38px 18px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transition: opacity 0.45s ease, transform 0.5s ease;
}

.login-content .login-box .forget-form {
  opacity: 0;
  transform: rotateY(180deg);
}

.login-content .login-box.flipped {
  min-height: 430px;
}

.login-content .login-box.flipped .login-form {
  opacity: 0;
  transform: rotateY(-180deg);
}

.login-content .login-box.flipped .forget-form {
  opacity: 1;
  transform: rotateY(0deg);
}

.login-card-header {
  margin-bottom: 24px;
  text-align: center;
}

.login-user-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  margin-bottom: 11px;
  border: 2px solid var(--login-gold);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  font-size: 27px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.25);
}

.login-card-header h1 {
  margin: 0;
  color: #fff;
  font-size: 1.36rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.38);
}

.login-card-header p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.84rem;
  line-height: 1.45;
}

.login-card-header--reset {
  margin-bottom: 25px;
}

.login-content .form-group {
  margin-bottom: 0;
}

.login-field-group + .login-field-group {
  margin-top: 30px;
}

.login-content .form-control {
  width: 100%;
  height: 42px;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: 7px;
  background: rgba(8, 13, 18, 0.46);
  color: #fff;
  font-size: 0.91rem;
  font-weight: 600;
  caret-color: var(--login-gold);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.22);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.login-content .form-control::placeholder {
  color: rgba(255, 255, 255, 0.9);
  opacity: 1;
}

.login-content .form-control:focus {
  border-color: var(--login-gold);
  outline: none;
  background: rgba(7, 12, 18, 0.7);
  box-shadow: 0 0 0 3px rgba(224, 167, 28, 0.2);
}

.login-recovery-link {
  margin-top: 18px !important;
  text-align: left;
}

.login-recovery-link a,
.login-back-link {
  color: #f0bd32 !important;
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
}

.login-recovery-link a:hover,
.login-back-link:hover {
  color: #ffd56b !important;
  text-decoration: underline;
}

.login-content .btn-container {
  margin-top: auto !important;
  margin-bottom: 0 !important;
}

.login-content .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 100%;
  min-height: 47px;
  border: 0;
  border-radius: 28px;
  background: linear-gradient(180deg, var(--login-blue-light) 0%, var(--login-blue) 100%);
  color: #fff;
  font-size: 0.91rem;
  font-weight: 800;
  text-transform: uppercase;
  box-shadow: 0 6px 13px rgba(5, 28, 57, 0.33);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.login-content .btn-primary:hover,
.login-content .btn-primary:focus {
  background: linear-gradient(180deg, #2865a5 0%, #194d88 100%);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 9px 18px rgba(5, 28, 57, 0.42);
  filter: brightness(1.04);
}

.login-back-link-wrap {
  margin-top: 22px !important;
  margin-bottom: 0 !important;
  text-align: center;
}

#alertLogin {
  margin-top: 5px;
  margin-bottom: 5px;
  color: var(--login-error);
  font-size: 0.8rem;
  text-align: center;
}

#divLoading {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(7, 14, 23, 0.7);
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
}

#divLoading > div {
  padding: 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.27);
}

#divLoading img {
  width: 52px;
  height: 52px;
}

@media (max-width: 1100px) {
  .login-brand {
    gap: clamp(22px, 3vw, 40px);
    width: 92vw;
  }

  .login-brand__idhac {
    flex-basis: clamp(185px, 21vw, 225px);
  }
}

@media (max-width: 760px) {
  body.login-page {
    overflow-y: auto;
  }

  .login-shell {
    min-height: 760px;
    background-position: 68% center;
  }

  .login-brand {
    flex-direction: column;
    gap: 10px;
    width: min(94vw, 620px);
    margin-top: 24px;
  }

  .login-brand__institutions {
    width: 100%;
  }

  .login-brand__idhac {
    flex: 0 0 auto;
    width: min(185px, 46vw);
  }

  .login-stage {
    min-height: 760px;
    padding: 0 16px 24px;
  }

  .login-content {
    width: min(332px, 94vw);
    transform: translateY(38px);
  }
}

@media (max-width: 520px) {
  .login-shell {
    min-height: 740px;
    background-position: 70% center;
  }

  .login-brand {
    gap: 8px;
    width: 96vw;
    margin-top: 22px;
  }

  .login-brand__idhac {
    width: min(165px, 43vw);
  }

  .login-stage {
    min-height: 740px;
    padding: 0 14px 22px;
  }

  .login-content {
    transform: translateY(34px);
  }

  .login-content .login-box {
    min-height: 382px;
  }

  .login-content .login-box .login-form,
  .login-content .login-box .forget-form {
    padding-right: 30px;
    padding-left: 30px;
  }
}

@media (max-height: 620px) and (min-width: 761px) {
  .login-brand {
    margin-top: 24px;
  }

  .login-brand__institutions {
    max-width: 760px;
  }

  .login-brand__idhac {
    flex-basis: 205px;
  }

  .login-stage {
    padding-top: 135px;
    padding-bottom: 18px;
  }

  .login-content {
    transform: translateY(34px);
  }

  .login-content .login-box {
    min-height: 365px;
  }

  .login-content .login-box .login-form,
  .login-content .login-box .forget-form {
    padding-top: 14px;
    padding-bottom: 16px;
  }

  .login-card-header {
    margin-bottom: 20px;
  }

  .login-user-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 8px;
    font-size: 24px;
  }

  .login-field-group + .login-field-group {
    margin-top: 27px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .login-content .login-box,
  .login-content .login-box .login-form,
  .login-content .login-box .forget-form,
  .login-content .btn-primary,
  .login-content .form-control {
    transition: none;
  }
}