* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}
.login-container {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 400px;
}
h1 {
    color: #333;
    margin-bottom: 10px;
    font-size: 24px;
}
p {
    color: #666;
    margin-bottom: 30px;
}
.error {
    background: #fee;
    color: #c33;
    padding: 12px;
    border-radius: 5px;
    margin-bottom: 20px;
    font-size: 14px;
}
.form-group {
    margin-bottom: 20px;
}
label {
    display: block;
    color: #333;
    margin-bottom: 8px;
    font-weight: 500;
}
input[type="password"] {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}
input[type="password"]:focus {
    outline: none;
    border-color: #667eea;
}
button {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}
button:hover {
    transform: translateY(-2px);
}
button:active {
    transform: translateY(0);
}