*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 3rem 2.5rem;
  max-width: 520px;
  width: 100%;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}
.logo { font-size: 1.75rem; font-weight: 700; letter-spacing: -0.02em; }
.logo span { color: var(--accent); }
h1 { font-size: 1.5rem; font-weight: 600; margin-top: 1.75rem; line-height: 1.3; }
p { color: var(--text-muted); margin-top: .75rem; font-size: .95rem; line-height: 1.6; }
.benefits { margin-top: 1.5rem; list-style: none; }
.benefits li {
  display: flex; align-items: center; gap: .6rem;
  padding: .4rem 0; font-size: .9rem; color: var(--text);
}
.benefits li::before { content: "▸"; color: var(--accent); font-weight: 700; }
form { margin-top: 2rem; display: flex; flex-direction: column; gap: .85rem; }
input {
  width: 100%; padding: .85rem 1rem;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: .65rem; color: var(--text);
  font-size: .95rem; transition: border-color .2s;
}
input:focus { outline: none; border-color: var(--accent); }
input::placeholder { color: #475569; }
button {
  padding: .9rem; background: var(--accent); color: #fff;
  border: none; border-radius: .65rem; font-size: 1rem;
  font-weight: 600; cursor: pointer; transition: background .2s;
}
button:hover { background: var(--accent-hover); }
button:disabled { opacity: .5; cursor: not-allowed; }
.msg { margin-top: 1rem; font-size: .875rem; min-height: 1.25rem; }
.msg.ok { color: #4ade80; }
.msg.err { color: #f87171; }
.footer { margin-top: 2rem; font-size: .75rem; color: #334155; text-align: center; }