:root {
  --bg: #0b0d12;
  --bg2: #11141b;
  --card: #161a23;
  --line: #232838;
  --text: #e7ecf3;
  --muted: #8a93a6;
  --accent: #7c5cff;
  --accent2: #22d3ee;
  --err: #ff6b6b;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", Helvetica, Arial, sans-serif;
  background: var(--bg);
  background-image:
    radial-gradient(900px 600px at 10% -10%, rgba(124,92,255,0.25), transparent 60%),
    radial-gradient(700px 500px at 110% 10%, rgba(34,211,238,0.15), transparent 60%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.auth-wrap { width: 100%; max-width: 420px; padding: 24px; }
.auth-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.45);
}
.logo { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.logo h1 { margin: 0; font-size: 20px; letter-spacing: -0.01em; }
.logo p { margin: 2px 0 0 0; font-size: 12px; }
.muted { color: var(--muted); }
.logo-orb {
  width: 40px; height: 40px; border-radius: 12px;
  background: conic-gradient(from 200deg, var(--accent), var(--accent2), var(--accent));
  box-shadow: 0 6px 20px rgba(124,92,255,0.45), inset 0 0 0 1px rgba(255,255,255,0.15);
}
form label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; letter-spacing: 0.04em; text-transform: uppercase; }
form input {
  width: 100%; padding: 14px 16px; border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  color: var(--text); font-size: 16px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(124,92,255,0.18);
}
form button {
  margin-top: 16px;
  width: 100%;
  border: 0;
  padding: 13px 16px;
  border-radius: 12px;
  font-size: 15px; font-weight: 600;
  color: white;
  cursor: pointer;
  background: linear-gradient(180deg, #8b6dff, #6a47ff);
  box-shadow: 0 10px 24px rgba(124,92,255,0.35);
  transition: transform .05s ease, box-shadow .15s ease, filter .15s ease;
}
form button:hover { filter: brightness(1.05); }
form button:active { transform: translateY(1px); }
.err { color: var(--err); font-size: 13px; min-height: 18px; margin: 10px 0 0 0; }
.footer-note { text-align: center; color: var(--muted); font-size: 12px; margin-top: 18px; }