:root {
  color-scheme: light;
  padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px);
  --bg: #ffffff; --surface: #ffffff; --ink: #0b0b0c; --muted: #5d6470; --line: #e3e7ec;
  --vlad-ink: #17803a; --taya-ink: #1f6fd1; --danger: #c53030; --focus: #1f6fd1;
  --font-display: "Unbounded", "Manrope", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000; --surface: #111214; --ink: #ffffff; --muted: #a0a7b0; --line: #2a2d31;
    --vlad-ink: #5fd37e; --taya-ink: #6aaeff; --danger: #ff6b6b; --focus: #6aaeff;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 15px; line-height: 1.45;
  padding-inline: 16px; display: grid; place-items: center; -webkit-tap-highlight-color: transparent;
}
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
main { width: 100%; max-width: 360px; display: grid; gap: 24px; text-align: center; padding-block: 32px; }
h1 { font-family: var(--font-display); font-weight: 700; font-size: clamp(30px, 8vw, 40px); letter-spacing: -0.02em; line-height: 1.05; margin: 0; }
h1 .v { color: var(--vlad-ink); }
h1 .t { color: var(--taya-ink); }
h1 .amp { color: var(--muted); font-weight: 500; }
form { display: grid; gap: 12px; text-align: left; }
label span { display: block; font-size: 11px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
input[type="password"] {
  width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface);
  font: inherit; font-size: 17px; color: inherit;
}
button {
  border: 0; border-radius: 12px; padding: 13px 16px; font: inherit; font-weight: 700; font-size: 16px;
  background: var(--ink); color: var(--bg); cursor: pointer;
}
button:disabled { opacity: .6; cursor: default; }
.error { color: var(--danger); font-weight: 600; font-size: 14px; margin: 0; min-height: 1.45em; }
.hint { color: var(--muted); font-size: 13px; margin: 0; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }