:root {
  --bg: #070b10; --panel: #111925; --panel2: #16202d; --line: #243244;
  --text: #e7eef7; --muted: #8fa3ba; --accent: #37c2a0; --danger: #ff6b6b;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); }
body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  display: flex; align-items: center; justify-content: center; padding: 22px;
  background: radial-gradient(circle at 20% 10%, #0e1b26, #070b10 55%);
}
.card {
  width: min(430px, 100%); background: var(--panel); border: 1px solid var(--line);
  border-radius: 16px; padding: 26px; box-shadow: 0 20px 60px rgba(0,0,0,.45);
}
.brand { font-size: 22px; display: flex; align-items: center; gap: 9px; margin-bottom: 4px; }
.brand strong { color: var(--accent); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
h1 { font-size: 20px; margin: 12px 0 6px; }
h2 { font-size: 18px; margin: 6px 0 10px; color: var(--accent); }
.muted { color: var(--muted); font-size: 13px; line-height: 1.45; margin: 0 0 18px; }
form { display: flex; flex-direction: column; gap: 12px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--muted); }
input {
  background: #0b121b; border: 1px solid var(--line); color: var(--text);
  border-radius: 9px; padding: 10px 11px; font: inherit; outline: none;
}
input:focus { border-color: #365774; }
button, .link-btn {
  border: 1px solid var(--line); background: var(--panel2); color: var(--text);
  border-radius: 9px; padding: 10px 14px; font: inherit; cursor: pointer; text-align: center;
  text-decoration: none;
}
button.primary { background: var(--accent); border-color: var(--accent); color: #04201a; font-weight: 700; }
button:disabled { opacity: .55; cursor: wait; }
.error { color: #ffb4b4; font-size: 13px; background: rgba(255,92,92,.1); border: 1px solid #6b2a2a; padding: 9px 11px; border-radius: 8px; }
.success { color: #b9f7e6; font-size: 13px; background: rgba(55,194,160,.1); border: 1px solid #1f5d4d; padding: 9px 11px; border-radius: 8px; }
.hidden { display: none !important; }
.foot { color: var(--muted); font-size: 12px; line-height: 1.5; margin: 16px 0 0; }
code {
  display: block; background: #0b121b; border: 1px solid var(--line); color: #8ff3d6;
  border-radius: 8px; padding: 9px 10px; font-size: 12px; overflow-wrap: anywhere; margin: 8px 0 12px;
}
a { color: #8fd0ff; }