@import url("https://fonts.googleapis.com/css?family=Raleway:400,600,700");

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

body {
  min-height: 100vh;
  font-family: "Raleway", Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f0f2f5;
}

/* ── Contenedor y triángulos ── */
.container {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.top:before,
.top:after,
.bottom:before,
.bottom:after {
  content: "";
  display: block;
  position: absolute;
  width: 200vmax;
  height: 200vmax;
  top: 50%;
  left: 50%;
  margin-top: -100vmax;
  margin-left: 260px;
  transform-origin: -260px 50%;
  z-index: 0;
  opacity: 0.7;
  transition: margin-left .5s cubic-bezier(0.4, 0, 0.1, 1), transform-origin .5s cubic-bezier(0.4, 0, 0.1, 1);
}

.top:before    { transform: rotate(45deg);   background: #db2730; transition-delay: 0s; }
.top:after     { transform: rotate(135deg);  background: #203869; transition-delay: .04s; }
.bottom:before { transform: rotate(-45deg);  background: #db2730; transition-delay: .04s; }
.bottom:after  { transform: rotate(-135deg); background: #203869; transition-delay: 0s; }

/* Al hacer hover, los triángulos se abren un poco más */
.container:hover .top:before,
.container:hover .top:after,
.container:hover .bottom:before,
.container:hover .bottom:after {
  margin-left: 330px;
  transform-origin: -330px 50%;
}

/* ── Card central ── */
.center {
  position: relative;
  width: 430px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.5rem 2.5rem 2.25rem;
  background: rgba(255, 255, 255, 0.98);
  border-radius: 16px;
  box-shadow: 0 30px 80px rgba(5, 10, 30, 0.3);
  animation: card-in .5s cubic-bezier(0.34, 1.28, 0.64, 1);
  z-index: 1;
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(16px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Logo y cabecera ── */
.login-logo {
  width: 185px;
  height: auto;
  display: block;
  margin-bottom: 4px;
}

.login-subtitle {
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #5c6783;
  margin-bottom: 1.5rem;
}

/* ── Error pill ── */
.login-error {
  width: 100%;
  background: #fff2f2;
  border: 1px solid #f09595;
  border-radius: 7px;
  padding: 9px 12px;
  font-size: 13px;
  color: #a32d2d;
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 12px;
}
.login-error i { flex-shrink: 0; font-size: 14px; }

/* ── Campos con icono ── */
.input-field {
  position: relative;
  width: 100%;
  margin-bottom: 10px;
}

.input-field .field-icon {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: #203869;
  opacity: 0.45;
  font-size: 14px;
  pointer-events: none;
}

.input-field input {
  width: 100%;
  padding: 12px 14px 12px 38px;
  border: 1.5px solid #dde1ea;
  border-radius: 8px;
  font-family: "Raleway", inherit;
  font-size: 15px;
  font-weight: 525;
  color: #1a2640;
  background: #f7f8fb;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  outline: none;
}

.input-field input:focus {
  border-color: #203869;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(32, 56, 105, 0.09);
}

.input-field input::placeholder {
  color: #7d87a0;
  font-weight: 600;
  opacity: 1;
}

.input-field input.is-invalid {
  border-color: #e24b4a;
  background: #fff;
}

/* ── Toggle ojo contraseña ── */
.toggle-eye {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: #203869;
  opacity: 0.4;
  padding: 4px 5px;
  display: flex;
  align-items: center;
  transition: opacity 0.2s;
  line-height: 1;
}
.toggle-eye:hover { opacity: 0.85; }
.toggle-eye:focus { outline: none; }
.toggle-eye i { font-size: 15px; pointer-events: none; }

/* Password con espacio para el ojo */
.input-field input[type="password"],
.input-field input[type="text"] {
  padding-right: 38px;
}

/* ── Botón principal ── */
.btn-login {
  width: 100%;
  margin-top: 6px;
  padding: 12px;
  border: none;
  border-radius: 8px;
  background: #203869;
  color: #fff;
  font-family: "Raleway", inherit;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.25s, transform 0.15s, box-shadow 0.25s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn-login:hover {
  background: #db2730;
  transform: translateY(-1px);
  box-shadow: 0 5px 16px rgba(219, 39, 48, 0.28);
}
.btn-login:active { transform: translateY(0); box-shadow: none; }
.btn-login:disabled { opacity: 0.65; cursor: not-allowed; transform: none; }

.btn-login .spinner {
  display: none;
  width: 15px;
  height: 15px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.btn-login.loading .spinner { display: block; }
.btn-login.loading .btn-text { opacity: 0.7; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ── */
@media (max-width: 420px) {
  .center {
    width: 88vw;
    padding: 1.5rem;
  }
}