/* ===== Layout base auth ===== */
.auth-fire {
  padding: clamp(90px, 12vh, 120px) 1rem 3rem;
  min-height: 100vh;
  position: relative;
}

.auth-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* Asegura que el contenido esté por encima */
.auth-grid,
.auth-card {
  position: relative;
  z-index: 1;
}

.auth-bg .bg-gradient,
.auth-bg .bg-particles,
.auth-bg .bg-grid {
  position: absolute;
  inset: 0;
}

.auth-grid {
  margin: 0 auto;
  width: min(1100px, 100%);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(1rem, 2.5vw, 2rem);
}

.auth-aside {
  background: var(--gradient-card);
  border: 1px solid rgba(220, 38, 38, .25);
  border-radius: var(--radius-2xl);
  padding: clamp(1.2rem, 2.5vw, 2rem);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.auth-aside::after {
  content: "";
  position: absolute;
  inset: -30%;
  background:
    radial-gradient(600px 300px at 15% 20%, rgba(220, 38, 38, .16), transparent 60%),
    radial-gradient(520px 260px at 90% 80%, rgba(14, 165, 233, .12), transparent 60%);
  filter: blur(8px);
  z-index: -1;
}

.aside-head {
  display: grid;
  gap: .6rem;
}

.aside-head .flame {
  font-size: 2rem;
  filter: drop-shadow(0 8px 30px rgba(220, 38, 38, .35));
}

.auth-aside h1 {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 800;
}

.muted {
  color: var(--text-secondary);
}

.aside-list {
  list-style: none;
  display: grid;
  gap: .45rem;
  margin: .8rem 0 1rem;
  font-weight: 600;
}

.aside-footer {
  color: var(--text-muted);
}

/* ===== Card ===== */
.auth-card {
  background: var(--bg-secondary);
  border: 1px solid rgba(220, 38, 38, .22);
  border-radius: var(--radius-2xl);
  padding: clamp(1.2rem, 2.6vw, 2rem);
  box-shadow: var(--shadow-xl);
}

.auth-header {
  display: flex;
  align-items: center;
  gap: .9rem;
  margin-bottom: 1rem;
}

.icon-wrap {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(220, 38, 38, .15);
  border: 1px solid rgba(220, 38, 38, .35);
  font-size: 1.2rem;
}

.auth-header h2 {
  font-size: 1.5rem;
  margin: 0;
}

.auth-header .muted {
  margin-top: .2rem;
}

/* ===== Form ===== */
.field {
  margin-bottom: 1rem;
}

.field label {
  display: block;
  font-weight: 700;
  margin-bottom: .4rem;
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-lg);
  padding: .25rem .6rem .25rem .9rem;
  transition: border var(--transition-base), box-shadow var(--transition-base);
}

.input-wrap:focus-within {
  border-color: rgba(220, 38, 38, .55);
  box-shadow: 0 0 0 4px rgba(220, 38, 38, .12);
}

.input-icon {
  opacity: .9;
  margin-right: .4rem;
}

.input-wrap input {
  width: 100%;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--text-primary);
  padding: .75rem .4rem;
  font-weight: 600;
}

.ghost-btn {
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  padding: .35rem;
  border-radius: 10px;
}

.ghost-btn:hover {
  background: rgba(255, 255, 255, .06);
  color: #fff;
}

.row-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: .45rem;
}

.check {
  display: flex;
  align-items: center;
  gap: .45rem;
  color: var(--text-secondary);
}

.link {
  color: var(--text-accent);
  border-bottom: 1px dashed rgba(251, 191, 36, .5);
}

.link:hover {
  color: #fff;
  border-bottom-color: #fff;
}

/* ===== Button ===== */
.submit-btn {
  width: 100%;
  justify-content: center;
  margin-top: .6rem;
  position: relative;
  overflow: hidden;
}

.btn-spinner {
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, .35);
  border-top-color: #fff;
  margin-left: .6rem;
  display: none;
  animation: spin 1s linear infinite;
}

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

.submit-btn.loading .btn-spinner {
  display: inline-block;
}

.submit-btn.loading .btn-text {
  opacity: .75;
}

/* ===== Flash ===== */
.flash-local {
  margin-top: .9rem;
  background: linear-gradient(145deg, rgba(220, 38, 38, .12), var(--bg-secondary));
  border: 1px solid rgba(220, 38, 38, .35);
  padding: .75rem;
  border-radius: 12px;
}

/* Responsive */
@media (max-width: 980px) {
  .auth-grid {
    grid-template-columns: 1fr;
  }

  .auth-aside {
    order: 2;
  }

  .auth-card {
    order: 1;
  }
}

/* Enhanced responsive */
@media (max-width: 1200px) {
  .auth-grid {
    gap: clamp(1.5rem, 3vw, 3rem);
  }
}

@media (max-width: 980px) {
  .auth-fire {
    padding: clamp(60px, 8vh, 100px) 1rem 2rem;
  }
  
  .auth-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .auth-aside {
    order: 2;
    padding: clamp(1rem, 2vw, 1.5rem);
  }

  .auth-card {
    order: 1;
    padding: clamp(1rem, 2.5vw, 2rem);
  }
}

@media (max-width: 640px) {
  .auth-aside h1 {
    font-size: clamp(1.25rem, 3.5vw, 1.75rem);
  }
  
  .aside-list {
    gap: .35rem;
    font-size: 0.9rem;
  }
  
  .auth-header h2 {
    font-size: 1.25rem;
  }
  
  .form-input {
    padding: 0.875rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .auth-fire {
    padding: clamp(40px, 6vh, 80px) 0.5rem 1.5rem;
  }
  
  .auth-card {
    padding: 1rem;
  }
  
  .icon-wrap {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
  
  .row-between {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  
  .submit-btn {
    padding: 1rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 360px) {
  .auth-header {
    gap: 0.75rem;
  }
  
  .field {
    margin-bottom: 1.25rem;
  }
  
  .input-wrap {
    padding: 0.2rem 0.5rem 0.2rem 0.75rem;
  }
  
  .form-input {
    padding: 0.75rem 0.3rem;
  }
}