/* Página de acceso (/login) — auth_view.clj.
   Fondo de cuadrícula visible que se desvanece hacia los bordes, un halo
   cálido detrás de la tarjeta y la tarjeta de vidrio esmerilado encima. */

:root {
  --brand: #e85d2a;
  --brand-2: #f59e0b;
  --bg: #080d1a;
  --glass: rgba(15, 23, 42, 0.72);
  --field: rgba(2, 6, 23, 0.6);
  --ink: #f1f5f9;
  --ink-2: #cbd5e1;
  --ink-3: #8b99ad;
  --line: rgba(148, 163, 184, 0.16);
  --grid: rgba(148, 163, 184, 0.11);
  --grid-major: rgba(148, 163, 184, 0.2);
  --font: 'Outfit', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; min-height: 100dvh;
  padding: 1.25rem;
  position: relative;
  overflow-x: hidden;
}

/* La cuadrícula: menor cada 32 px, mayor cada 160 px, desvanecida hacia los
   bordes con una máscara radial para que la tarjeta quede en el foco. */
body::before {
  content: '';
  position: fixed; inset: -160px;
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 160px 160px, 160px 160px, 32px 32px, 32px 32px;
  -webkit-mask-image: radial-gradient(ellipse 70% 65% at 50% 50%, #000 30%, transparent 100%);
          mask-image: radial-gradient(ellipse 70% 65% at 50% 50%, #000 30%, transparent 100%);
  animation: deriva 40s linear infinite;
  pointer-events: none;
  z-index: 0;
}

/* Halo cálido detrás de la tarjeta */
body::after {
  content: '';
  position: fixed;
  width: 720px; height: 720px;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(232, 93, 42, 0.22) 0%, rgba(245, 158, 11, 0.08) 38%, transparent 68%);
  filter: blur(20px);
  pointer-events: none;
  z-index: 0;
}

@keyframes deriva {
  to { transform: translate(160px, 160px); }
}

@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
}

.card {
  position: relative;
  z-index: 1;
  width: 100%; max-width: 400px;
  padding: 2.5rem 2.25rem 2rem;
  background: var(--glass);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
          backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow:
    0 30px 80px -20px rgba(0, 0, 0, 0.7),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* filo de luz arriba de la tarjeta */
.card::before {
  content: '';
  position: absolute; top: -1px; left: 18%; right: 18%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.8), transparent);
}

.logo-wrap {
  display: flex; flex-direction: column; align-items: center;
  gap: 0.9rem; margin-bottom: 0.5rem;
}
.logo-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: block;
  box-shadow: 0 10px 30px -6px rgba(232, 93, 42, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.08);
}
h1 {
  color: var(--ink);
  font-size: 1.65rem; font-weight: 700;
  letter-spacing: -0.03em;
}
.subtitle {
  text-align: center;
  color: var(--ink-3);
  font-size: 0.92rem;
  margin-bottom: 1.9rem;
}

label {
  display: block;
  color: var(--ink-2);
  font-size: 0.82rem; font-weight: 500;
  margin: 1.1rem 0 0.45rem;
}
input {
  width: 100%;
  height: 46px;
  padding: 0 0.95rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--field);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
input:hover { border-color: rgba(148, 163, 184, 0.3); }
input:focus {
  border-color: var(--brand);
  background: rgba(2, 6, 23, 0.85);
  box-shadow: 0 0 0 4px rgba(232, 93, 42, 0.16);
}

button {
  margin-top: 1.6rem;
  width: 100%;
  height: 48px;
  background: linear-gradient(135deg, var(--brand) 0%, #f07a2c 55%, var(--brand-2) 130%);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-family: var(--font);
  font-size: 1rem; font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: 0 10px 24px -8px rgba(232, 93, 42, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  transition: filter 0.2s, transform 0.1s, box-shadow 0.2s;
}
button:hover { filter: brightness(1.08); box-shadow: 0 14px 30px -8px rgba(232, 93, 42, 0.85), inset 0 1px 0 rgba(255, 255, 255, 0.25); }
button:active { transform: translateY(1px) scale(0.99); }
button:focus-visible, .google-btn:focus-visible, .footer a:focus-visible {
  outline: 2px solid var(--brand-2); outline-offset: 3px;
}

.google-btn {
  display: flex; align-items: center; justify-content: center; gap: 0.65rem;
  width: 100%; height: 48px;
  background: #fff; color: #1f1f1f;
  border: 1px solid rgba(255, 255, 255, 0.9); border-radius: 12px;
  font-family: var(--font); font-size: 0.98rem; font-weight: 600;
  text-decoration: none; cursor: pointer;
  transition: transform 0.1s, box-shadow 0.2s;
}
.google-btn:hover { box-shadow: 0 8px 22px -8px rgba(255, 255, 255, 0.35); }
.google-btn:active { transform: translateY(1px); }

.or {
  display: flex; align-items: center; gap: 0.85rem;
  margin: 1.4rem 0 0.2rem;
  color: var(--ink-3); font-size: 0.78rem;
  text-transform: uppercase; letter-spacing: 0.12em;
}
.or::before, .or::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}

.err {
  color: #fca5a5;
  font-size: 0.875rem;
  margin-top: 1rem;
  padding: 0.75rem;
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.25);
  border-radius: 10px;
  text-align: center;
}

.footer {
  text-align: center;
  margin-top: 1.6rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--line);
}
.footer a {
  color: var(--ink-3);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}
.footer a:hover { color: var(--brand-2); }

@media (max-width: 440px) {
  .card { padding: 2rem 1.35rem 1.6rem; border-radius: 18px; }
}