* { box-sizing: border-box; }

:root {
  color-scheme: dark;
  --bg: #0b0d12;
  --card: rgba(22, 25, 33, .92);
  --text: #f4f5f7;
  --muted: #9299a8;
  --border: #303543;
  --accent: #e7e9ee;
  --accent-text: #111318;
}

html, body { min-height: 100%; }

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 50% 0%, #1b2030 0, transparent 45%),
    var(--bg);
  color: var(--text);
}

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

.auth-card {
  width: min(100%, 410px);
  padding: 42px 38px 28px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 24px 70px rgba(0,0,0,.38);
}

.mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin: 0 auto 22px;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 22px;
}

h1 {
  margin: 0;
  text-align: center;
  font-size: 25px;
  letter-spacing: -.4px;
}

.subtitle {
  margin: 9px 0 30px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

form { display: grid; gap: 9px; }

label {
  font-size: 13px;
  color: #c8ccd5;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  color: var(--text);
  background: #11141b;
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
  font: inherit;
  margin-bottom: 8px;
}

input:focus {
  border-color: #666e80;
  box-shadow: 0 0 0 3px rgba(150,160,180,.08);
}

.password-wrap { position: relative; }

.password-wrap input { padding-right: 76px; }

.toggle {
  position: absolute;
  right: 8px;
  top: 7px;
  height: 34px;
  padding: 0 9px;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.toggle:hover { color: var(--text); }

.remember {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 4px 0 12px;
  color: var(--muted);
  cursor: pointer;
}

.remember input { accent-color: #dfe2e8; }

.submit {
  height: 48px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 650;
  font-size: 15px;
  cursor: pointer;
}

.submit:hover { opacity: .92; }

.message {
  min-height: 18px;
  margin: 7px 0 0;
  text-align: center;
  color: #e3a96c;
  font-size: 13px;
}

.footer {
  margin-top: 30px;
  text-align: center;
  color: #656c7a;
  font-size: 11px;
}

@media (max-width: 480px) {
  .page { padding: 14px; }
  .auth-card {
    padding: 34px 22px 24px;
    border-radius: 15px;
  }
  h1 { font-size: 22px; }
  .subtitle { margin-bottom: 26px; }
}