/* Sign-in page: full-page split layout. Does not load app.css. */
:root {
  --bg: #FFFFFF; --ink: #1A2530; --muted: #64707B;
  --line: #E4E8EB; --line-soft: #F3F5F7;
  --accent: #14705F; --accent-ink: #FFFFFF; --accent-soft: #EAF4F2;
  --pass: #1E7B4D; --exc: #A6512D; --exc-soft: #F9EFE9;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: var(--bg); }

/* ---- Left: product panel ---- */
.side { background: var(--accent-soft); border-right: 1px solid var(--line);
  display: flex; flex-direction: column; justify-content: center; padding: 48px 56px; gap: 28px; }
.side .brand { font-weight: 700; font-size: 16px; color: var(--accent); }
.side h2 { margin: 0; font-size: 26px; font-weight: 650; letter-spacing: -.01em; max-width: 22ch; text-wrap: balance; }
.side p { margin: 0; color: var(--muted); font-size: 14.5px; max-width: 44ch; }
.flow { display: grid; gap: 10px; font-family: var(--mono); font-size: 12.5px; }
.flow .step { display: flex; align-items: center; gap: 10px; color: var(--muted); }
.flow .tag { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; color: var(--ink); }
.flow .tag.p { color: var(--pass); border-color: var(--pass); }
.flow .tag.e { color: var(--exc); border-color: var(--exc); }
.flow .down { padding-left: 22px; color: var(--line); }

/* ---- Right: form ---- */
.main { display: grid; place-items: center; padding: 40px 20px; }
.card { width: 100%; max-width: 420px; background: #fff; border: 1px solid var(--line);
  border-radius: 12px; padding: 30px 28px; box-shadow: 0 1px 2px rgba(26,37,48,.04); }
h1 { margin: 0 0 6px; font-size: 21px; font-weight: 650; letter-spacing: -.01em; }
.sub { margin: 0 0 22px; color: var(--muted); font-size: 14px; }

label { display: block; font-size: 13px; font-weight: 550; margin-bottom: 6px; }
.field { position: relative; margin-bottom: 16px; }
.field input { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  font: inherit; font-size: 14px; color: var(--ink); background: #fff; }
.field input::placeholder { color: #9AA5AD; }
.field input:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); }
.field input[aria-invalid="true"] { border-color: var(--exc); }
.field .toggle { position: absolute; right: 8px; top: 31px; border: 0; background: none; cursor: pointer;
  color: var(--muted); padding: 4px; line-height: 0; border-radius: 6px; }
.field .toggle:hover { color: var(--ink); }
.field-msg { font-size: 12.5px; color: var(--muted); margin: -10px 0 16px; min-height: 1.2em; }
.field-msg.ok { color: var(--pass); }
.field-msg.bad { color: var(--exc); }

.error { display: none; background: var(--exc-soft); color: var(--exc); border: 1px solid var(--exc);
  padding: 10px 12px; border-radius: 8px; font-size: 13.5px; margin-bottom: 16px; }
.error.show { display: block; }

button.submit { width: 100%; padding: 11px; border: 0; border-radius: 8px; margin-top: 4px;
  background: var(--accent); color: var(--accent-ink); font: inherit; font-size: 14.5px; font-weight: 600; cursor: pointer; }
button.submit:hover { filter: brightness(1.07); }
button.submit:disabled { opacity: .6; cursor: default; }
button:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.field input:focus-visible { outline-offset: -1px; }

.hint { margin-top: 20px; font-size: 13px; color: var(--muted); text-align: center; }
.hint button { border: 0; background: none; color: var(--accent); font: inherit; font-size: 13px; font-weight: 600;
  cursor: pointer; padding: 0; }
.hint button:hover { text-decoration: underline; }

@media (max-width: 860px) { body { grid-template-columns: 1fr; } .side { display: none; } }
@media (prefers-reduced-motion: no-preference) {
  .card { animation: rise .25s ease; }
  @keyframes rise { from { opacity: 0; transform: translateY(6px); } }
}