* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
      background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
      min-height: 100vh;
      color: #e4e4e7;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .login-container {
      width: 100%;
      max-width: 400px;
      padding: 20px;
    }

    .login-card {
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 16px;
      padding: 40px 32px;
    }

    .login-header {
      text-align: center;
      margin-bottom: 32px;
    }

    .login-header .icon {
      font-size: 48px;
      margin-bottom: 16px;
    }

    .login-header h1 {
      font-size: 24px;
      font-weight: 700;
      background: linear-gradient(90deg, #60a5fa, #a78bfa);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .login-header p {
      color: #71717a;
      font-size: 14px;
      margin-top: 8px;
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-group label {
      display: block;
      font-size: 13px;
      color: #a1a1aa;
      margin-bottom: 8px;
      font-weight: 500;
    }

    .form-group input {
      width: 100%;
      padding: 12px 16px;
      background: rgba(0,0,0,0.3);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 8px;
      color: #e4e4e7;
      font-size: 14px;
      font-family: inherit;
      outline: none;
      transition: border-color 0.2s;
    }

    .form-group input:focus {
      border-color: #3b82f6;
    }

    .error-message {
      background: rgba(239, 68, 68, 0.15);
      border: 1px solid rgba(239, 68, 68, 0.3);
      border-radius: 8px;
      padding: 12px 16px;
      font-size: 13px;
      color: #fca5a5;
      margin-bottom: 20px;
      display: none;
    }

    .error-message.visible {
      display: block;
    }

    .login-btn {
      width: 100%;
      padding: 12px;
      background: linear-gradient(90deg, #3b82f6, #8b5cf6);
      border: none;
      border-radius: 8px;
      color: white;
      font-size: 14px;
      font-weight: 600;
      font-family: inherit;
      cursor: pointer;
      transition: all 0.2s;
    }

    .login-btn:hover:not(:disabled) {
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    }

    .login-btn:disabled {
      opacity: 0.6;
      cursor: not-allowed;
      transform: none;
    }