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

body {
    min-height: 100vh;
    background: linear-gradient(135deg, #1d2671, #c33764);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 15px;
}
a{
	text-decoration:none
}

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

/* box */
.login-box {
    background: #fff;
    padding: 28px 22px;
    border-radius: 14px;
    box-shadow: 0 12px 35px rgba(0,0,0,0.25);
}

/* title */
.login-box h2 {
    text-align: center;
    font-size: 24px;
    color: #222;
}

.subtitle {
    text-align: center;
    font-size: 14px;
    color: #777;
    margin: 8px 0 25px;
}

/* input */
.input-group {
    margin-bottom: 18px;
}

.input-group label {
    font-size: 14px;
    color: #444;
    margin-bottom: 6px;
    display: block;
}

.input-group input {
    width: 100%;
    padding: 13px 14px;
    font-size: 15px;
    border: 1px solid #ddd;
    border-radius: 10px;
}

/* password */
.password-wrapper {
    position: relative;
}

.password-wrapper input {
    padding-right: 48px;
}

.toggle-password {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    font-size: 20px;
}

/* options */
.options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    margin-bottom: 22px;
    gap: 10px;
}

.options a {
    text-decoration: none;
    color: #1d2671;
}

/* button */
.btn-login {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    background: linear-gradient(135deg, #1d2671, #c33764);
    color: #fff;
    border: none;
    border-radius: 10px;
    cursor: pointer;
}

/* footer */
.footer {
    margin-top: 24px;
    font-size: 12px;
    color: #999;
    text-align: center;
}

/* 📱 Mobile nhỏ */
@media (max-width: 480px) {
    .login-box {
        padding: 22px 18px;
    }

    .login-box h2 {
        font-size: 22px;
    }

    .btn-login {
        font-size: 15px;
        padding: 13px;
    }
}

/* 💻 Desktop lớn */
@media (min-width: 1024px) {
    .login-box {
        padding: 21px 20px;
    }
}
.footer a{
	color:#999
}
.footer a:hover{
	color:#666
}

.login-header.top {
    text-align: center;
    margin-bottom: 28px;
}

/* logo chữ nhật ngang */
.login-logo-rect {
    max-width: 220px;     /* giới hạn chiều ngang */
    width: 100%;
    height: auto;
    margin-bottom: 0;
    object-fit: contain;
}

/* tiêu đề */
.login-header.top h2 {
    font-size: 24px;
    color: #222;
}

.login-header.top .subtitle {
    font-size: 14px;
    color: #777;
    margin-top: 6px;
}

/* 📱 Mobile: logo nhỏ lại */
@media (max-width: 480px) {
    .login-logo-rect {
        max-width: 180px;
    }

    .login-header.top h2 {
        font-size: 22px;
    }
}