* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
}

body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, rgb(35, 130, 240) 100%);
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-box {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.login-header {
    text-align: center;
    margin-bottom: 35px;
}

.login-header h1 {
    color: rgb(35, 130, 240);
    font-size: 32px;
    margin-bottom: 8px;
}

.login-header p {
    color: #666;
    font-size: 14px;
}

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

.login-form label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
    font-size: 14px;
}

.login-form label i {
    color: rgb(35, 130, 240);
    font-size: 18px;
}

.login-form input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.login-form input:focus {
    outline: none;
    border-color: rgb(35, 130, 240);
    box-shadow: 0 0 0 3px rgba(35, 130, 240, 0.1);
}

.login-form input::placeholder {
    color: #aaa;
}

.password-input {
    position: relative;
}

.password-input input {
    padding-right: 50px;
}

.toggle-password {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: #999;
    font-size: 18px;
    transition: color 0.3s ease;
}

.toggle-password:hover {
    color: rgb(35, 130, 240);
}

.error-message {
    background: #ffebee;
    color: #c62828;
    padding: 12px 15px;
    border-radius: 10px;
    font-size: 13px;
    margin-bottom: 20px;
    display: none;
}

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

.btn-login {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, rgb(35, 130, 240), rgb(25, 100, 200));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(35, 130, 240, 0.3);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(35, 130, 240, 0.4);
}

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-login i {
    font-size: 20px;
}

.login-footer {
    text-align: center;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.login-footer a {
    color: #666;
    text-decoration: none;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s ease;
}

.login-footer a:hover {
    color: rgb(35, 130, 240);
}

@media (max-width: 480px) {
    .login-box {
        padding: 30px 25px;
    }

    .login-header h1 {
        font-size: 26px;
    }
}