:root {
    --ink: #0A1726;
    --ink-2: #12263B;

    --paper: #F7FAFC;
    --paper-2: #EAF0F7;

    --charcoal: #203246;

    --accent: #294F76;
    --accent-soft: #5E82A5;

    --mist: #C9D9E8;

    --font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}



/* =========================================================
   RESET
   ========================================================= */

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

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--charcoal);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}


/* =========================================================
   PÁGINA DE LOGIN
   ========================================================= */

.login-page {
  min-height: 100svh;

  position: relative;

  display: flex;
  align-items: center;
  justify-content: center;

  overflow: hidden;
  padding: 2rem;

  isolation: isolate;

  background:
    linear-gradient(
      135deg,
      #F7FAFC 0%,
      #EDF3F8 45%,
      #DCE8F3 100%
    );
}


/* =========================================================
   FONDO ANIMADO
   ========================================================= */

.login-background {
  position: absolute;
  inset: -15%;

  z-index: -2;

  overflow: hidden;

  background:
    radial-gradient(
      ellipse at 12% 18%,
      rgba(75, 126, 171, 0.38) 0%,
      rgba(75, 126, 171, 0.14) 25%,
      transparent 50%
    ),

    radial-gradient(
      ellipse at 88% 78%,
      rgba(38, 91, 139, 0.30) 0%,
      rgba(38, 91, 139, 0.10) 27%,
      transparent 52%
    ),

    radial-gradient(
      ellipse at 58% 5%,
      rgba(180, 205, 225, 0.62) 0%,
      transparent 44%
    ),

    radial-gradient(
      ellipse at 35% 90%,
      rgba(119, 157, 190, 0.20) 0%,
      transparent 42%
    );

  filter: blur(2px);

  animation:
    institutionalMesh 24s ease-in-out infinite alternate;
}


/* =========================================================
   MANCHA SUPERIOR
   ========================================================= */

.login-background::before {
  content: "";

  position: absolute;

  width: 48vw;
  height: 48vw;

  min-width: 420px;
  min-height: 420px;

  top: -18%;
  left: -8%;

  border-radius:
    55% 45% 62% 38% /
    42% 58% 42% 58%;

  background:
    radial-gradient(
      circle at 40% 40%,
      rgba(73, 125, 171, 0.42),
      rgba(49, 93, 140, 0.16) 48%,
      transparent 72%
    );

  filter: blur(30px);

  animation:
    blueBlobOne 22s ease-in-out infinite alternate;
}


/* =========================================================
   MANCHA INFERIOR
   ========================================================= */

.login-background::after {
  content: "";

  position: absolute;

  width: 55vw;
  height: 55vw;

  min-width: 460px;
  min-height: 460px;

  right: -17%;
  bottom: -28%;

  border-radius:
    42% 58% 35% 65% /
    60% 38% 62% 40%;

  background:
    radial-gradient(
      circle at 50% 50%,
      rgba(43, 91, 139, 0.28),
      rgba(92, 137, 174, 0.15) 45%,
      transparent 72%
    );

  filter: blur(34px);

  animation:
    blueBlobTwo 27s ease-in-out infinite alternate;
}


/* =========================================================
   ANIMACIONES DEL FONDO
   ========================================================= */

@keyframes institutionalMesh {

  0% {
    transform:
      scale(1)
      translate3d(0, 0, 0);
  }

  50% {
    transform:
      scale(1.035)
      translate3d(1.5%, -1%, 0);
  }

  100% {
    transform:
      scale(1.07)
      translate3d(-1%, 1.5%, 0);
  }
}


@keyframes blueBlobOne {

  0% {
    transform:
      translate3d(-2%, -1%, 0)
      rotate(0deg)
      scale(1);
  }

  50% {
    transform:
      translate3d(10%, 7%, 0)
      rotate(12deg)
      scale(1.08);
  }

  100% {
    transform:
      translate3d(5%, 15%, 0)
      rotate(-8deg)
      scale(0.95);
  }
}


@keyframes blueBlobTwo {

  0% {
    transform:
      translate3d(0, 0, 0)
      rotate(0deg)
      scale(1);
  }

  50% {
    transform:
      translate3d(-9%, -7%, 0)
      rotate(-10deg)
      scale(1.08);
  }

  100% {
    transform:
      translate3d(-3%, -13%, 0)
      rotate(8deg)
      scale(0.96);
  }
}


/* =========================================================
   TARJETA
   ========================================================= */

.login-card {
  position: relative;
  z-index: 5;

  width: min(100%, 470px);

  padding: clamp(2.4rem, 5vw, 3.4rem);

  background: rgba(248, 251, 253, 0.90);

  border: 1px solid rgba(255, 255, 255, 0.82);

  box-shadow:
    0 30px 80px rgba(30, 58, 85, 0.13),
    0 8px 25px rgba(30, 58, 85, 0.07);

  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);

  animation:
    loginAppear 0.7s ease both;
}


/* Línea decorativa */

.login-card::before {
  content: "";

  position: absolute;

  top: 0;
  left: 12%;
  right: 12%;

  height: 2px;

  background:
    linear-gradient(
      90deg,
      transparent,
      var(--accent-soft),
      var(--accent),
      var(--accent-soft),
      transparent
    );

  opacity: 0.75;
}


@keyframes loginAppear {

  from {
    opacity: 0;
    transform:
      translateY(22px)
      scale(0.98);
  }

  to {
    opacity: 1;
    transform:
      translateY(0)
      scale(1);
  }
}


/* =========================================================
   MARCA
   ========================================================= */

.login-brand {
  display: flex;
  align-items: center;
  justify-content: center;

  gap: 0.75rem;

  margin-bottom: 2.7rem;

  color: var(--ink);
}

.login-brand img {
  width: 48px;
  height: 48px;

  display: block;

  object-fit: cover;

  border-radius: 50%;

  box-shadow:
    0 5px 15px rgba(30, 58, 85, 0.14);
}

.login-brand span {
  font-family: var(--font-serif);

  font-size: 1.35rem;
  font-weight: 600;

  letter-spacing: 0.03em;
}


/* =========================================================
   ENCABEZADO
   ========================================================= */

.login-header {
  margin-bottom: 2rem;

  text-align: center;
}

.eyebrow {
  margin: 0 0 0.65rem;

  color: var(--accent);

  font-size: 0.72rem;
  font-weight: 600;

  letter-spacing: 0.14em;

  text-transform: uppercase;
}

.login-header h1 {
  margin: 0 0 0.65rem;

  color: var(--ink);

  font-family: var(--font-serif);

  font-size: clamp(2.3rem, 6vw, 3rem);
  font-weight: 600;

  line-height: 1.05;

  letter-spacing: -0.035em;
}

.login-header p:last-child {
  max-width: 330px;

  margin: 0 auto;

  color: #687585;

  font-size: 0.9rem;

  line-height: 1.6;
}


/* =========================================================
   FORMULARIO
   ========================================================= */

.auth-form {
  display: flex;

  flex-direction: column;

  gap: 1.15rem;
}

.hidden {
  display: none;
}

.form-row {
  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: 1rem;
}

.form-group {
  display: flex;

  flex-direction: column;

  gap: 0.45rem;
}

.form-group label {
  color: var(--charcoal);

  font-size: 0.76rem;
  font-weight: 600;

  letter-spacing: 0.01em;
}

.form-group input {
  width: 100%;
  height: 50px;

  padding: 0 1rem;

  border: 1px solid rgba(49, 93, 140, 0.17);

  border-radius: 7px;

  background: rgba(255, 255, 255, 0.66);

  color: var(--ink);

  font-family: var(--font-sans);

  font-size: 0.9rem;

  outline: none;

  transition:
    border-color 0.25s ease,
    background 0.25s ease,
    box-shadow 0.25s ease,
    transform 0.2s ease;
}

.form-group input:hover {
  border-color: rgba(49, 93, 140, 0.34);
}

.form-group input:focus {
  border-color: var(--accent);

  background: rgba(255, 255, 255, 0.94);

  box-shadow:
    0 0 0 3px rgba(49, 93, 140, 0.09);

  transform: translateY(-1px);
}

.form-group input::placeholder {
  color: #9CA7B2;
}


/* =========================================================
   CONTRASEÑA
   ========================================================= */

.password-field {
  position: relative;
}

.password-field input {
  padding-right: 4.8rem;
}

.show-password {
  position: absolute;

  top: 50%;
  right: 1rem;

  transform: translateY(-50%);

  border: 0;

  padding: 0;

  background: transparent;

  color: var(--accent);

  font-family: var(--font-sans);

  font-size: 0.72rem;
  font-weight: 600;

  cursor: pointer;
}

.show-password:hover {
  color: var(--ink);
}


/* =========================================================
   OPCIONES
   ========================================================= */

.form-options {
  display: flex;

  align-items: center;

  justify-content: space-between;

  gap: 1rem;

  margin-top: 0.15rem;

  font-size: 0.75rem;
}

.remember {
  display: flex;

  align-items: center;

  gap: 0.4rem;

  color: #687585;

  cursor: pointer;
}

.remember input {
  width: 14px;
  height: 14px;

  accent-color: var(--accent);
}

.forgot-password {
  color: var(--accent);

  text-decoration: none;

  transition: color 0.2s ease;
}

.forgot-password:hover {
  color: var(--ink);

  text-decoration: underline;
}


/* =========================================================
   BOTÓN
   ========================================================= */

.auth-button {
  position: relative;

  overflow: hidden;

  width: 100%;
  height: 50px;

  margin-top: 0.65rem;

  border: 1px solid var(--accent);

  border-radius: 7px;

  background: var(--accent);

  color: var(--paper);

  font-family: var(--font-sans);

  font-size: 0.82rem;
  font-weight: 600;

  letter-spacing: 0.02em;

  cursor: pointer;

  box-shadow:
    0 8px 18px rgba(49, 93, 140, 0.20);

  transition:
    background 0.25s ease,
    transform 0.2s ease,
    box-shadow 0.25s ease;
}


/* Brillo del botón */

.auth-button::after {
  content: "";

  position: absolute;

  top: 0;
  left: -100%;

  width: 70%;
  height: 100%;

  background:
    linear-gradient(
      90deg,
      transparent,
      rgba(255, 255, 255, 0.18),
      transparent
    );

  transform: skewX(-20deg);

  transition:
    left 0.55s ease;
}

.auth-button:hover {
  background: #183B5B;

  transform: translateY(-2px);

  box-shadow:
    0 12px 25px rgba(24, 59, 91, 0.20);
}

.auth-button:hover::after {
  left: 130%;
}

.auth-button:active {
  transform: translateY(0);
}


/* =========================================================
   CAMBIO LOGIN / REGISTRO
   ========================================================= */

.auth-switch {
  display: flex;

  align-items: center;
  justify-content: center;

  flex-wrap: wrap;

  gap: 0.35rem;

  margin-top: 1.8rem;

  padding-top: 1.45rem;

  border-top:
    1px solid rgba(49, 93, 140, 0.13);

  color: #707B87;

  font-size: 0.78rem;
}

.auth-switch button {
  border: 0;

  padding: 0;

  background: transparent;

  color: var(--accent);

  font-family: var(--font-sans);

  font-size: inherit;
  font-weight: 600;

  cursor: pointer;
}

.auth-switch button:hover {
  color: var(--ink);

  text-decoration: underline;
}


/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 520px) {

  .login-page {
    padding: 1rem;
  }

  .login-card {
    padding: 2.2rem 1.45rem;
  }

  .login-brand {
    margin-bottom: 2.3rem;
  }

  .form-row {
    grid-template-columns: 1fr;

    gap: 1.15rem;
  }

  .login-header h1 {
    font-size: 2.35rem;
  }
}


@media (max-width: 380px) {

  .login-card {
    padding: 1.8rem 1.15rem;
  }

  .form-options {
    align-items: flex-start;

    flex-direction: column;
  }

  .login-header h1 {
    font-size: 2.05rem;
  }
}


/* =========================================================
   REDUCIR ANIMACIONES
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

  .login-background,
  .login-background::before,
  .login-background::after,
  .login-card {
    animation: none;
  }

  .auth-button,
  .form-group input {
    transition: none;
  }
}

/* =========================================================
   MODAL TÉRMINOS Y CONDICIONES
   ========================================================= */

.legal-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;

    align-items: center;
    justify-content: center;

    padding: 20px;

    background: rgba(0, 0, 0, 0.65);
}

.legal-modal.show {
    display: flex;
}

.legal-modal-content {
    position: relative;

    width: 100%;
    max-width: 600px;
    max-height: 80vh;

    overflow-y: auto;

    background: #ffffff;
    border-radius: 16px;

    padding: 35px;

    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);

    animation: legalModalOpen 0.2s ease-out;
}

.legal-modal-content h2 {
    margin: 0 0 20px;

    font-size: 24px;
    color: #17171A;
}

.legal-modal-content p {
    margin: 0 0 16px;

    line-height: 1.7;
    font-size: 15px;
    color: #4B5245;
}

.legal-modal-close {
    position: absolute;

    top: 12px;
    right: 15px;

    width: 36px;
    height: 36px;

    border: none;
    background: transparent;

    font-size: 28px;
    line-height: 1;

    color: #555;

    cursor: pointer;

    border-radius: 50%;
}

.legal-modal-close:hover {
    background: #f1f1f1;
}

@keyframes legalModalOpen {

    from {
        opacity: 0;
        transform: translateY(10px) scale(0.98);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }

}


/* MÓVIL */

@media (max-width: 600px) {

    .legal-modal {
        padding: 15px;
    }

    .legal-modal-content {
        max-height: 85vh;
        padding: 28px 22px;
        border-radius: 14px;
    }

    .legal-modal-content h2 {
        font-size: 21px;
        padding-right: 30px;
    }

    .legal-modal-content p {
        font-size: 14px;
        line-height: 1.6;
    }

}