/* Wrapper toàn trang */
.main-wrapper {
    background: linear-gradient(to top, #825f35, #f7941d);
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Khung form */
.form-container {
    background: rgba(0,0,0,0.6);
    padding: 30px 25px;
    border-radius: 15px;
    width: 350px;
    text-align: center;
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
    color: #fff;
}

/* Tiêu đề */
.main-wrapper h1 {
    text-align: center;
    color: #fff;
    margin-bottom: 25px;
    font-size: 28px;
}

/* Input fields */
.form-container input[type="email"],
.form-container input[type="password"] {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 15px;
    border: none;
    border-radius: 8px;
    background: rgba(255,255,255,0.2);
    color: #fff;
    font-size: 14px;
}

.form-container input::placeholder {
    color: #e0e0e0;
}

/* Buttons */
.btn-submit {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background-color: #f7941d;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 15px;
}

.btn-submit:hover {
    background-color: #ffb347;
}

/* Google Login */
.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px;
    border-radius: 8px;
    background-color: #fff;
    color: #000;
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.btn-google:hover {
    background-color: #ffb347;
    color: #fff;
}
.btn-google:visited {
    color: #000;
}

/* Checkbox + forgot password */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    font-size: 14px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 5px;
}

.forgot-password {
    color: #fff;
    text-decoration: underline;
}

.forgot-password:hover {
    color: #ffeb99;
}

/* Message hiển thị lỗi / thành công */
.message {
    min-height: 20px;
    margin-bottom: 10px;
    font-size: 14px;
}

/* Register link */
.register-text {
    font-size: 14px;
    margin-top: 10px;
}

.register-text a {
    color: #f7941d;
    text-decoration: none;
}

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

/* Responsive */
@media (max-width: 400px) {
    .form-container {
        width: 90%;
        padding: 25px 15px;
    }
}