* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  height: 100dvh;
  overflow-y: auto;
  background: linear-gradient(180deg, #ffffff 0%, #e0e7ff 50%, #fce7f3 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
.card {
  width: 100%; max-width: 380px; padding: 40px 36px;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: 24px;
}
.header { text-align: center; margin-bottom: 32px; }
.icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px;
  background: #111827;
  border-radius: 16px;
  margin-bottom: 16px;
}
.icon svg { width: 24px; height: 24px; color: #fff; }
h1 { color: #111827; font-size: 20px; font-weight: 700; letter-spacing: -0.3px; }
.subtitle { color: #9ca3af; font-size: 13px; margin-top: 4px; font-family: monospace; }
label { display: block; color: #6b7280; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.6px; margin-bottom: 8px; }
input {
  width: 100%;
  background: rgba(255,255,255,0.75);
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  color: #111827;
  font-size: 16px;
  outline: none;
  -webkit-appearance: none;
  transition: background 0.15s;
}
input:focus { background: rgba(255,255,255,0.95); }
input::placeholder { color: #9ca3af; }
.field { margin-bottom: 18px; }
.error {
  color: #ef4444; font-size: 13px; margin-bottom: 14px;
  display: none; background: rgba(254,226,226,0.6);
  padding: 10px 14px; border-radius: 10px;
}
button {
  width: 100%;
  background: #111827;
  color: #fff; border: none;
  border-radius: 12px; padding: 13px;
  font-size: 14px; font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
  margin-top: 4px;
}
button:hover { opacity: 0.85; }
button:active { transform: scale(0.98); }
button:disabled { opacity: 0.4; cursor: not-allowed; }
.footer { text-align: center; margin-top: 24px; color: #9ca3af; font-size: 12px; font-family: monospace; }

@media (max-width: 480px) {
  body { padding: 24px 16px; }
  .card { padding: 32px 24px; }
}