@import url('brand-tokens.css');

@keyframes loginGlow {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.92;
  }
}

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

html {
  color-scheme: dark;
}

body {
  position: relative;
  min-height: 100vh;
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  letter-spacing: 0.01em;
  background:
    radial-gradient(ellipse 85% 55% at 50% -15%, rgba(199, 28, 59, 0.12), transparent 52%),
    radial-gradient(ellipse 60% 45% at 100% 50%, rgba(120, 18, 45, 0.08), transparent 45%),
    radial-gradient(ellipse 70% 60% at 0% 80%, rgba(230, 213, 216, 0.04), transparent 50%),
    linear-gradient(180deg, #0a0607 0%, var(--bg-void) 40%, #050304 100%);
  animation: loginGlow 16s ease-in-out infinite;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.3;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

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

.login-shell {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-7) var(--space-6);
}

.login-card {
  width: min(420px, 100%);
  padding: var(--space-8) var(--space-7);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-strong);
  background: linear-gradient(
    165deg,
    rgba(32, 20, 24, 0.94) 0%,
    var(--surface-elevated) 50%,
    rgba(10, 6, 8, 0.98) 100%
  );
  box-shadow: var(--elevation-3);
  backdrop-filter: blur(var(--blur-glass)) saturate(1.2);
  -webkit-backdrop-filter: blur(var(--blur-glass)) saturate(1.2);
  text-align: center;
}

.login-logo {
  width: clamp(88px, 22vw, 120px);
  height: auto;
  display: block;
  margin: 0 auto var(--space-4);
  filter: drop-shadow(0 8px 28px rgba(199, 28, 59, 0.35));
}

.login-card h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin: 0 0 var(--space-2);
  background: linear-gradient(135deg, #fff 0%, var(--brand-cream) 32%, var(--accent-bright) 62%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.login-tagline {
  margin: 0 0 var(--space-6);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.alert-error {
  margin: 0 0 var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--danger-border);
  background: var(--danger-soft);
  color: var(--danger);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  text-align: left;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 280px;
  background: linear-gradient(135deg, var(--accent-bright) 0%, var(--accent) 48%, var(--accent-2) 100%);
  color: #0f0507;
  padding: 14px 32px;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: var(--text-md);
  font-weight: 700;
  border: 1px solid rgba(230, 213, 216, 0.2);
  cursor: pointer;
  box-shadow: var(--elevation-2);
  transition:
    transform var(--duration-normal) var(--ease-out),
    filter var(--duration-fast) ease,
    box-shadow var(--duration-normal) ease;
}

.btn:hover {
  filter: brightness(1.05);
  box-shadow: var(--elevation-3);
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--ring-focus), var(--elevation-2);
}

@media (prefers-reduced-motion: reduce) {
  .btn {
    transition: none;
  }

  .btn:hover {
    transform: none;
  }
}