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

body {
   font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
   background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
   min-height: 100vh;
   display: flex;
   align-items: center;
   justify-content: center;
}

.login-container {
   background: white;
   padding: 2rem;
   border-radius: 10px;
   box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
   width: 100%;
   max-width: 400px;
}

.logo {
   text-align: center;
   margin-bottom: 2rem;
}

.logo h1 {
   color: #333;
   font-size: 2rem;
   margin-bottom: 0.5rem;
}

.logo p {
   color: #666;
   font-size: 0.9rem;
}

.form-group {
   margin-bottom: 1.5rem;
}

.form-group label {
   display: block;
   margin-bottom: 0.5rem;
   color: #333;
   font-weight: 500;
}

.form-group input {
   width: 100%;
   padding: 0.75rem;
   border: 2px solid #e1e5e9;
   border-radius: 5px;
   font-size: 1rem;
   transition: border-color 0.3s;
}

.form-group input:focus {
   outline: none;
   border-color: #667eea;
}

.btn {
   width: 100%;
   padding: 0.75rem;
   background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
   color: white;
   border: none;
   border-radius: 5px;
   font-size: 1rem;
   cursor: pointer;
   transition: transform 0.2s;
}

.btn:hover {
   transform: translateY(-2px);
}

.error {
   background: #fee;
   color: #c33;
   padding: 0.75rem;
   border-radius: 5px;
   margin-bottom: 1rem;
   border-left: 4px solid #c33;
}

.success {
   background: #efe;
   color: #3c3;
   padding: 0.75rem;
   border-radius: 5px;
   margin-bottom: 1rem;
   border-left: 4px solid #3c3;
}

.links {
   text-align: center;
   margin-top: 1.5rem;
}

.links a {
   color: #667eea;
   text-decoration: none;
   font-size: 0.9rem;
}

.links a:hover {
   text-decoration: underline;
}

.divider {
   margin: 1rem 0;
   text-align: center;
   color: #666;
}