body { min-height: 100vh; background: radial-gradient(900px 600px at 80% -10%, color-mix(in srgb, var(--green) 10%, transparent), transparent 60%), var(--crust); }

.bg-grid {
  position: fixed; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--surface0) 1px, transparent 1px), linear-gradient(90deg, var(--surface0) 1px, transparent 1px);
  background-size: 44px 44px; opacity: 0.35;
  mask-image: radial-gradient(ellipse at center, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 20%, transparent 75%);
}

.login-wrap { position: relative; min-height: 100vh; display: grid; place-content: center; gap: 18px; padding: 24px 16px; }

.login-card {
  width: min(400px, calc(100vw - 32px));
  background: var(--base); border: 1px solid var(--surface0); border-radius: 16px;
  padding: 28px; box-shadow: var(--shadow), 0 0 0 1px rgba(0, 0, 0, 0.1);
  display: grid; gap: 16px; position: relative; overflow: hidden;
}
.login-card::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: linear-gradient(90deg, var(--green), var(--teal), var(--green));
  background-size: 200% 100%; animation: slide 4s linear infinite;
}
@keyframes slide { to { background-position: 200% 0; } }
.login-card.shake { animation: shake 0.45s cubic-bezier(.36, .07, .19, .97); }
@keyframes shake { 10%, 90% { transform: translateX(-2px); } 20%, 80% { transform: translateX(4px); } 30%, 50%, 70% { transform: translateX(-8px); } 40%, 60% { transform: translateX(8px); } }
.login-card.success { border-color: var(--green); box-shadow: 0 0 0 4px color-mix(in srgb, var(--green) 25%, transparent), var(--shadow); }

.brand { display: flex; align-items: center; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid var(--surface0); }
.brand img { border-radius: 10px; }
.brand h1 { margin: 0; font-size: 1.15rem; letter-spacing: -0.01em; }
.brand h1 span { color: var(--green); }
.brand p { margin: 2px 0 0; color: var(--overlay1); font: 0.75rem var(--mono); }

.login-card h2 { margin: 4px 0 0; font-size: 1rem; font-weight: 600; color: var(--subtext1); }

.alert {
  padding: 10px 12px; border-radius: 10px; font-size: 0.88rem;
  background: color-mix(in srgb, var(--red) 12%, transparent); border: 1px solid color-mix(in srgb, var(--red) 40%, transparent); color: var(--red);
}
.alert.info { background: color-mix(in srgb, var(--blue) 12%, transparent); border-color: color-mix(in srgb, var(--blue) 40%, transparent); color: var(--blue); }

.field { display: grid; gap: 6px; }
.field > span { font-size: 0.82rem; font-weight: 600; color: var(--subtext0); }
.input-wrap { position: relative; }
.input-wrap svg { position: absolute; left: 12px; top: 50%; translate: 0 -50%; width: 18px; height: 18px; fill: var(--overlay0); pointer-events: none; transition: fill 0.15s; }
.input-wrap:focus-within svg { fill: var(--green); }
.peek { position: absolute; right: 6px; top: 50%; translate: 0 -50%; border: 0; background: none; cursor: pointer; padding: 6px; border-radius: 8px; filter: grayscale(1); opacity: 0.6; }
.peek:hover { opacity: 1; filter: none; }
.caps { color: var(--yellow); font-size: 0.78rem; }

.row { display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; }
.row a { text-decoration: none; }
.row a:hover { text-decoration: underline; }
.check { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; color: var(--subtext0); }
.check input { accent-color: var(--green); width: 16px; height: 16px; }

.submit { width: 100%; padding: 12px; font-size: 0.95rem; position: relative; }
.submit .spinner { display: none; width: 16px; height: 16px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin 0.7s linear infinite; }
.submit.loading .spinner { display: inline-block; }
.submit.loading { pointer-events: none; filter: saturate(0.6); }
@keyframes spin { to { transform: rotate(360deg); } }

.legal { margin: 0; text-align: center; color: var(--overlay0); font-size: 0.75rem; }
.login-foot { display: flex; justify-content: center; gap: 8px; color: var(--overlay0); font: 0.78rem var(--mono); }
.login-foot a { color: var(--overlay1); text-decoration: none; }
.login-foot a:hover { color: var(--green); }

@media (prefers-reduced-motion: reduce) { .login-card::before, .login-card.shake { animation: none; } }