/* ==========================================================================
   login.css - Pantalla de acceso
   ---------------------------------------------------------------------------
   Vive aparte de style.css a proposito: esta pantalla se ve una vez y el resto
   del sistema no. Mezclarla en el fichero grande haria que un cambio en la
   cabecera rompiera el login, y nadie se da cuenta hasta que alguien del
   equipo no puede entrar.
   ========================================================================== */

:root {
  --login-fondo: #0f172a;
  --login-fondo2: #1e293b;
  --login-tinta: #e2e8f0;
  --login-tenue: #94a3b8;
  --login-borde: #334155;
  --login-marca: #a855f7;
  --login-marca2: #6366f1;
  --login-error: #f87171;
  --login-error-fondo: #450a0a;
}

.login-root {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: radial-gradient(circle at 20% 10%, #1e1b4b 0%, transparent 55%),
              radial-gradient(circle at 85% 90%, #172554 0%, transparent 55%),
              linear-gradient(160deg, var(--login-fondo), var(--login-fondo2));
  font-family: inherit;
  overflow-y: auto;
}

/* Mientras decide el servidor no se ve nada. Evita el parpadeo de un formulario
   que aparece y desaparece. */
.login-root:not(.visible) { visibility: hidden; }

.login-card {
  width: 100%;
  max-width: 400px;
  background: rgba(15, 23, 42, .82);
  border: 1px solid var(--login-borde);
  border-radius: 18px;
  padding: 32px 28px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .45);
  backdrop-filter: blur(8px);
  animation: login-entra .28s ease-out;
}

@keyframes login-entra {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

/* ----------------------------------------------------------------- marca */

.login-marca { text-align: center; margin-bottom: 26px; }

.login-logo {
  width: 76px; height: 76px;
  margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--login-marca), var(--login-marca2));
  box-shadow: 0 8px 24px rgba(168, 85, 247, .35);
}

.login-marca h1 {
  margin: 0 0 5px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.2px;
  color: var(--login-tinta);
}

.login-marca p { margin: 0; font-size: 12.5px; color: var(--login-tenue); }

/* ----------------------------------------------------------------- aviso */

.login-aviso {
  margin-bottom: 20px;
  padding: 11px 13px;
  border-radius: 9px;
  font-size: 12.5px;
  line-height: 1.5;
  color: #fde68a;
  background: rgba(120, 53, 15, .38);
  border: 1px solid rgba(251, 191, 36, .35);
}
.login-aviso code {
  background: rgba(0, 0, 0, .3);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 11.5px;
}

/* Cuando el aviso es solo "esta cuenta existe", no es una alarma: es una
   ayuda. Con los mismos colores que el aviso de error de instalacion
   llegaria a punishing algo que es informacion normal. */
.login-aviso-sutil {
  color: #bfdbfe;
  background: rgba(30, 58, 138, .3);
  border-color: rgba(96, 165, 250, .3);
  text-align: center;
}
.login-aviso-sutil strong { color: #eff6ff; }

/* ---------------------------------------------------------------- titulo */

.login-titulo { margin: 0 0 3px; font-size: 16px; font-weight: 650; color: var(--login-tinta); }
.login-sub { margin: 0 0 20px; font-size: 12.5px; color: var(--login-tenue); }

/* ---------------------------------------------------------------- campos */

.login-campo { display: block; margin-bottom: 14px; }

.login-campo > span {
  display: block;
  margin-bottom: 6px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .3px;
  text-transform: uppercase;
  color: var(--login-tenue);
}

.login-input {
  position: relative;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 12px;
  background: rgba(2, 6, 23, .55);
  border: 1px solid var(--login-borde);
  border-radius: 10px;
  transition: border-color .15s, box-shadow .15s;
}

.login-input > svg { flex: 0 0 auto; color: #64748b; }

.login-input:focus-within {
  border-color: var(--login-marca);
  box-shadow: 0 0 0 3px rgba(168, 85, 247, .18);
}

.login-input input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 11px 0;
  background: none;
  border: 0;
  outline: none;
  color: var(--login-tinta);
  font: inherit;
  font-size: 14px;
}

.login-input input::placeholder { color: #475569; }

.login-ver {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  padding: 4px;
  background: none;
  border: 0;
  cursor: pointer;
  color: #64748b;
  border-radius: 6px;
}
.login-ver:hover, .login-ver.activo { color: var(--login-marca); }

/* ----------------------------------------------------------------- pista */

.login-pista { margin: -6px 0 14px; font-size: 11.5px; line-height: 1.45; color: #64748b; }

/* ----------------------------------------------------------------- check */

.login-check {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 4px 0 18px;
  font-size: 13px;
  color: var(--login-tenue);
  cursor: pointer;
  user-select: none;
}

.login-check input { width: 16px; height: 16px; accent-color: var(--login-marca); cursor: pointer; }
.login-check:hover { color: var(--login-tinta); }

/* ----------------------------------------------------------------- error */

.login-error {
  margin-bottom: 14px;
  padding: 10px 12px;
  border-radius: 9px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--login-error);
  background: var(--login-error-fondo);
  border: 1px solid rgba(248, 113, 113, .3);
}

/* ----------------------------------------------------------------- boton */

.login-boton {
  width: 100%;
  padding: 12px;
  border: 0;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--login-marca), var(--login-marca2));
  color: #fff;
  font: inherit;
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
  transition: filter .15s, transform .06s;
}
.login-boton:hover:not(:disabled) { filter: brightness(1.1); }
.login-boton:active:not(:disabled) { transform: translateY(1px); }
.login-boton:disabled { opacity: .6; cursor: wait; }

/* ----------------------------------------------------------------- movil */

@media (max-width: 420px) {
  .login-root { padding: 14px; align-items: flex-start; }
  .login-card { padding: 24px 20px; border-radius: 14px; }
  .login-logo { width: 62px; height: 62px; }
}

@media (prefers-reduced-motion: reduce) {
  .login-card { animation: none; }
}