* { margin: 0; padding: 0; box-sizing: border-box; }
  body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #0d1710; color: #e8ede8; display: flex; align-items: center; justify-content: center; min-height: 100vh; }
  .login-box { background: #1a2e24; border-radius: 16px; padding: 40px; border: 1px solid #1f2e22; width: 340px; max-width: 90vw; }
  .login-box h1 { color: #d4a017; font-size: 1.4em; text-align: center; margin-bottom: 4px; }
  .login-box .sub { color: #4a6a4a; text-align: center; font-size: 0.8em; margin-bottom: 28px; }
  .login-box label { display: block; font-size: 0.78em; color: #889a88; margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
  .login-box input { width: 100%; padding: 10px 14px; border-radius: 8px; border: 1px solid #1f2e22; background: #0d1710; color: #e8ede8; font-size: 0.95em; margin-bottom: 16px; outline: none; }
  .login-box input:focus { border-color: #d4a017; }
  .login-box button { width: 100%; padding: 10px; border-radius: 8px; border: none; background: #d4a017; color: #000; font-weight: 700; font-size: 0.95em; cursor: pointer; transition: 0.15s; }
  .login-box button:hover { background: #e0b42a; }
  .login-box .error { color: #f44336; font-size: 0.82em; text-align: center; margin-top: 10px; display: none; }
  .login-box .error.show { display: block; }
  .logo { text-align: center; margin-bottom: 20px; }
  .logo .icon { width: 44px; height: 44px; background: #d4a017; color: #000; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; font-size: 1.4em; font-weight: bold; margin-bottom: 8px; }