* {
    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;
    justify-content: center;
    align-items: center;
}

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

.login-box {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.logo {
    text-align: center;
    margin-bottom: 30px;
}

.logo h1 {
    color: #667eea;
    font-size: 32px;
    font-weight: 700;
}

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

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

.input-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e1e1e1;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

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

.input-group input::placeholder {
    color: #aaa;
}

.options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    font-size: 14px;
}

.remember {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #666;
    cursor: pointer;
}

.remember input {
    cursor: pointer;
}

.forgot {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.forgot:hover {
    text-decoration: underline;
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.login-btn:active {
    transform: translateY(0);
}

.signup-link {
    text-align: center;
    margin-top: 25px;
    color: #666;
    font-size: 14px;
}

.signup-link a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.signup-link a:hover {
    text-decoration: underline;
}

@media (max-width: 480px) {
    .login-box {
        padding: 30px 20px;
    }
    
    .logo h1 {
        font-size: 26px;
    }
    
    .options {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
}