:root, :root[data-theme="noche"] {
  --bg: #0B0B0D; --fg: #f2f2f0; --muted: #a9a9a2; --line: #26261f;
  --accent: #B8F500; --accent-fg: #0B0B0D; --field: #1e1e22; --field-line: #33333a;
  --danger: #ff6b6b; --ok: #7bd88f;
}
:root[data-theme="lima"] {
  --bg: #f8faf9; --fg: #111827; --muted: #6b7280; --line: #e5e7eb;
  --accent: #B8F500; --accent-fg: #0B0B0D; --field: #fff; --field-line: #e5e7eb;
  --danger: #b3261e; --ok: #318514;
  --accent-ink: color-mix(in srgb, var(--accent) 45%, #1f3d00);
}
html, body { background: var(--bg); }

.signin { max-width: 22rem; margin: 3rem auto; padding: 0 1.25rem; font-family: system-ui, sans-serif; color: var(--fg); }
.signin h1 { font-size: 1.25rem; margin: 0 0 1.5rem; }
.signin__lede { margin: -.3rem 0 1rem; font-size: .9rem; color: var(--muted); line-height: 1.5; }
.signin__hint { margin: .1rem 0 .3rem; font-size: .8rem; color: var(--muted); }
.signin form { display: grid; gap: 1.1rem; }
.signin__field { display: grid; gap: .4rem; }
.signin__field label { font-size: .85rem; color: var(--muted); }
.signin input[type="email"], .signin input[type="password"], .signin input[type="text"] {
  width: 100%; box-sizing: border-box; padding: .7rem .75rem; border: 1px solid var(--field-line);
  border-radius: 6px; font-size: .95rem; background: var(--field); color: var(--fg);
}
.signin input::placeholder { color: var(--muted); }
.signin [type="password"] { letter-spacing: .06em; }
.signin__pw { position: relative; display: grid; }
.signin__pw input { padding-right: 2.6rem; }
.signin__eye {
  position: absolute; right: .3rem; top: 50%; transform: translateY(-50%);
  display: inline-flex; align-items: center; justify-content: center;
  width: 2rem; height: 2rem; border: 0; background: none; color: var(--muted); cursor: pointer;
}
.signin__eye[aria-pressed="true"] { color: var(--accent-ink, var(--accent)); }
.signin__panel {
  border: 1px solid var(--field-line); border-radius: 8px;
  padding: 1.1rem 1rem; display: grid; gap: 1.1rem;
}
.signin__panel form, .signin > form[action="/magic-links"] { display: grid; gap: 1.1rem; }
.signin__links { margin-top: 1rem; font-size: .9rem; color: var(--muted); display: grid; gap: .4rem; }
.signin__links a { color: inherit; }
.signin button[type="submit"]:not(.signin__google) {
  width: 100%; box-sizing: border-box; padding: .75rem; border: 0; border-radius: 8px;
  background: var(--accent); color: var(--accent-fg); font-size: 1rem; font-weight: 600;
  cursor: pointer; -webkit-appearance: none; appearance: none;
}
.signin__eye svg { width: 1.2rem; height: 1.2rem; }
.signin__flash { font-size: .85rem; margin: 0 0 .8rem; }
.signin__flash--alert { color: var(--danger); }
.signin__flash--notice { color: var(--ok); }

.signin button[type="submit"]:not(.signin__google):not(:disabled):hover { background: color-mix(in srgb, var(--accent) 68%, var(--fg)); }
.signin button[type="submit"]:not(.signin__google):disabled { opacity: .45; cursor: not-allowed; }
.signin__eye:hover { color: var(--fg); }