:root {
  color-scheme: light;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ink: #111111;
  --muted: #666660;
  --line: #deded6;
  --accent: #087f5b;
  --danger: #b42318;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  min-height: 100vh;
  background: #f7f7f4;
  color: var(--ink);
}

.login-shell {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
}

.login-panel {
  width: min(100%, 420px);
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 22px 50px rgba(17, 17, 17, 0.08);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.05;
  letter-spacing: 0;
}

.login-copy {
  margin: 16px 0 26px;
  color: var(--muted);
  line-height: 1.5;
}

form, label { display: grid; gap: 8px; }
form { gap: 18px; }
label { font-size: 0.9rem; font-weight: 620; }

input {
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

input:focus {
  border-color: var(--accent);
  outline: 2px solid rgba(8, 127, 91, 0.16);
}

button {
  min-height: 44px;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}

button:disabled { cursor: wait; opacity: 0.7; }
.form-error { margin: 0; color: var(--danger); font-size: 0.9rem; }

@media (max-width: 480px) {
  .login-panel { padding: 24px; }
  h1 { font-size: 1.65rem; }
}