:root {
  --kali-bg-1: #0b1622;
  --kali-bg-2: #0e2036;
  --kali-accent: #367bf0;
  --kali-text: #e7eef7;
  --kali-text-dim: #93a5bd;
  --kali-danger: #e0413a;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; height: 100%; width: 100%;
  font-family: "Segoe UI", "Noto Sans", -apple-system, sans-serif;
  color: var(--kali-text);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.login-wallpaper {
  position: fixed; inset: 0; z-index: 0;
  background:
    radial-gradient(circle at 75% 20%, rgba(72, 201, 240, 0.25), transparent 45%),
    linear-gradient(135deg, var(--kali-bg-2), var(--kali-bg-1) 60%);
}
.login-clock {
  position: fixed; top: 36px; left: 50%; transform: translateX(-50%);
  font-size: 48px; font-weight: 300; z-index: 1;
}
.login-card {
  position: relative; z-index: 1;
  background: rgba(10, 20, 32, 0.85);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 32px 36px;
  width: 320px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
}
.login-avatar img { width: 72px; height: 72px; border-radius: 50%; border: 2px solid var(--kali-accent); }
.login-card h1 { margin: 12px 0 0; font-weight: 400; font-size: 20px; }
.login-sub { margin: 2px 0 18px; color: var(--kali-text-dim); font-size: 12.5px; }
.login-card form { display: flex; flex-direction: column; gap: 10px; }
.login-card input, .login-card select {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  padding: 9px 12px;
  color: var(--kali-text);
  font-size: 13.5px;
}
.login-session-picker {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--kali-text-dim);
  justify-content: center;
}
.login-session-picker select { flex: 1; }
.login-card button {
  margin-top: 6px;
  background: var(--kali-accent);
  border: none; color: #fff;
  padding: 9px; border-radius: 4px;
  font-size: 13.5px; cursor: pointer;
}
.login-card button:hover { filter: brightness(1.1); }
.login-error {
  background: rgba(224, 65, 58, 0.15);
  border: 1px solid var(--kali-danger);
  color: #ffb3af;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}
.login-hint { margin-top: 14px; font-size: 11px; color: var(--kali-text-dim); }
.login-hint code { background: rgba(255,255,255,0.08); padding: 1px 5px; border-radius: 3px; }

.login-footer {
  position: fixed; bottom: 18px; left: 0; right: 0;
  display: flex; align-items: center; justify-content: center; gap: 12px;
  color: var(--kali-text-dim); font-size: 12px; z-index: 1;
}
.login-footer .pill {
  background: rgba(255,255,255,0.08); border: none; color: var(--kali-text);
  width: 30px; height: 30px; border-radius: 50%; cursor: pointer;
}