/* ==========================================================================
   AUTH.CSS
   Layout de login y registro. Sin retícula de fondo — un degradado
   radial sutil y las marcas de esquina de la tarjeta son suficiente
   firma visual, sin ruido detrás del formulario.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  --color-paper: #12140F;
  --color-paper-alt: #1B1E16;
  --color-surface: #1E2119;
  --color-ink: #F3F1EA;
  --color-ink-soft: #B4B2A6;
  --color-ink-faint: #74726A;
  --color-line: #2B2E23;
  --color-line-strong: #3A3D2E;

  --color-primary: #55A17F;
  --color-primary-hover: #67B590;
  --color-primary-soft: #202B22;
  --color-on-primary: #10130D;

  --color-accent: #D97B3F;
  --color-accent-soft: #2C1F14;
  --color-focus: #55A17F;

  --font-display: 'Manrope', 'Inter', -apple-system, sans-serif;
  --font-body: 'Manrope', 'Inter', -apple-system, sans-serif;

  --radius-md: 999px;
  --radius-lg: 24px;
}

.auth-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.auth-body .site-header {
  position: static;
  top: auto;
  left: auto;
  transform: none;
  width: 100%;
  max-width: none;
  margin: 0;
  border-radius: 0;
  background-color: var(--color-paper);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: none;
  border-bottom: 1px solid var(--color-line);
  box-shadow: none !important;
}

.auth-body .header-inner {
  padding-inline: var(--container-padding);
}

.auth-main {
  flex: 1;
  display: flex;
  align-items: center;
  background-color: var(--color-paper);
  background-image: radial-gradient(
    ellipse 60% 50% at 50% 0%,
    var(--color-primary-soft) 0%,
    transparent 70%
  );
  padding-block: var(--space-8);
}

.auth-container {
  display: flex;
  justify-content: center;
}

.auth-card {
  width: 100%;
  max-width: 26rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-7) var(--space-6);
  position: relative;
  animation: auth-card-in 0.55s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes auth-card-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.auth-card h1 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.auth-subtitle {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  margin-bottom: var(--space-6);
}

.auth-form {
  margin-bottom: var(--space-5);
}

.auth-form .form-field:last-of-type {
  margin-bottom: var(--space-6);
}

.auth-switch {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-align: center;
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-line);
}

.auth-switch a {
  font-weight: 500;
  color: var(--color-primary);
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.auth-switch a:hover {
  color: var(--color-primary-hover);
  border-bottom-color: currentColor;
}

.auth-back {
  text-align: center;
  margin-top: var(--space-4);
}

.auth-back a {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-faint);
  transition: color 0.15s ease;
}

.auth-back a:hover {
  color: var(--color-ink);
}