:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --accent-color: #4895ef;
    --text-color: #2b2d42;
    --light-gray: #f8f9fa;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', system-ui, sans-serif;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.login-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 420px;
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2rem;
    text-align: center;
}

.login-header h2 {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.login-header p {
    opacity: 0.9;
    font-size: 0.9rem;
}

.login-form {
    padding: 2rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(72, 149, 239, 0.2);
    outline: none;
}

.login-button {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.login-footer {
    text-align: center;
    padding: 1.5rem;
    font-size: 0.9rem;
    color: #666;
    border-top: 1px solid #eee;
}

.login-footer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s;
}

.login-footer a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 480px) {
    .login-container {
        border-radius: 0;
    }
}