:root{
    --bg-start:#0f2357;
    --bg-end:#1f5eff;
    --accent:#d41935;
    --card:#fffdf8;
    --field:#f6f1e7;
    --field-border:#e6dac5;
    --text:#14233b;
    --muted:#64748b;
    --shadow:0 24px 60px rgba(6,20,56,.28);
}

*{
    box-sizing:border-box;
}

html{
    min-height:100%;
}

body{
    margin:0;
    font-family: "Times New Roman", Times, serif;
    min-height:100svh;
    background:
        radial-gradient(circle at top left, rgba(255,255,255,.18), transparent 36%),
        radial-gradient(circle at right 20%, rgba(212,25,53,.22), transparent 28%),
        linear-gradient(160deg,var(--bg-start),#123b92 52%,var(--bg-end));
    color:var(--text);
}

.page{
    min-height:100svh;
    display:flex;
    justify-content:center;
    align-items:center;
    padding:max(18px, env(safe-area-inset-top)) 16px max(18px, env(safe-area-inset-bottom));
}

.login-card{
    width:min(100%, 430px);
    background:rgba(255,253,248,.96);
    border-radius:28px;
    overflow:hidden;
    box-shadow:var(--shadow);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
}

.hero{
    position:relative;
    padding:22px 20px 18px;
    background:linear-gradient(135deg, rgba(10,25,70,.96), rgba(26,83,201,.96));
    color:#fff;
}

.hero::after{
    content:"";
    position:absolute;
    right:-34px;
    top:-24px;
    width:118px;
    height:118px;
    border-radius:50%;
    background:rgba(255,255,255,.14);
}

.logo-wrap{
    width:104px;
    height:104px;
    padding:0;
    border-radius:50%;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    overflow:hidden;
    background:#ffffff;
    border:1px solid rgba(255,255,255,.4);
    box-shadow:0 14px 30px rgba(8,26,77,.22);
}

.logo{
    width:100%;
    height:100%;
    max-width:100%;
    max-height:100%;
    object-fit:cover;
    display:block;
    filter:none;
    transform:scale(1.04);
}

.badge{
    display:inline-flex;
    align-items:center;
    padding:7px 12px;
    margin-top:14px;
    border-radius:999px;
    border:1px solid rgba(255,255,255,.18);
    background:rgba(255,255,255,.12);
    font-size:12px;
    font-weight:700;
    letter-spacing:.04em;
    text-transform:uppercase;
}

.title{
    margin:16px 0 8px;
    font-size:28px;
    line-height:1.15;
    font-weight:800;
}

.subtitle{
    margin:0;
    max-width:26ch;
    color:rgba(255,255,255,.86);
    font-size:14px;
    line-height:1.5;
}

.form-area{
    padding:20px;
}

.form{
    display:grid;
    gap:14px;
}

.field{
    display:grid;
    gap:8px;
}

.field label{
    font-size:14px;
    font-weight:700;
    color:#24364f;
}

input{
    display:block;
    width:100%;
    font-size:16px;
    height:56px;
    border-radius:18px;
    border:1px solid var(--field-border);
    background:var(--field);
    color:var(--text);
    padding:0 16px;
    outline:none;
    -webkit-appearance:none;
    appearance:none;
    transition:border-color .2s, box-shadow .2s, background .2s;
}

input::placeholder{
    color:#96a0ae;
}

input:focus{
    border-color:#2d63f0;
    background:#fff;
    box-shadow:0 0 0 4px rgba(45,99,240,.14);
}

.password-wrap{
    position:relative;
}

.password-wrap input{
    padding-right:112px;
}

input::-webkit-contacts-auto-fill-button,
input::-webkit-credentials-auto-fill-button{
    visibility:hidden;
    pointer-events:none;
    position:absolute;
    right:0;
}

input::-ms-clear,
input::-ms-reveal{
    display:none;
}

.toggle-password{
    position:absolute;
    top:50%;
    right:10px;
    transform:translateY(-50%);
    min-width:64px;
    height:38px;
    border:none;
    border-radius:12px;
    padding:0 14px;
    background:#e3ebff;
    color:#1941b8;
    font-size:14px;
    font-weight:700;
    cursor:pointer;
}

.submit-btn{
    width:100%;
    min-height:56px;
    margin-top:4px;
    border:none;
    border-radius:18px;
    background:linear-gradient(135deg,var(--accent),#1655ea);
    color:#fff;
    font-weight:800;
    font-size:16px;
    letter-spacing:.01em;
    box-shadow:0 16px 28px rgba(21,75,206,.25);
    cursor:pointer;
}

.submit-btn:active{
    transform:translateY(1px);
}

.loi{
    margin-bottom:16px;
    padding:14px 16px;
    border-radius:18px;
    border:1px solid #f4c7cc;
    background:#fff1f1;
    color:#b21c2d;
    font-size:14px;
    line-height:1.5;
}

.thanh-cong{
    margin-bottom:16px;
    padding:14px 16px;
    border-radius:18px;
    border:1px solid #bfe3ca;
    background:#edfdf3;
    color:#166534;
    font-size:14px;
    line-height:1.5;
}

.login-options{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    margin-top:-2px;
}

.login-links{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:flex-end;
    gap:8px 12px;
}

.remember-option{
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:13px;
    line-height:1.5;
    color:#41536e;
    cursor:pointer;
}

.remember-option input{
    width:18px;
    height:18px;
    min-height:18px;
    margin:1px 0 0;
    padding:0;
    display:inline-block;
    border-radius:6px;
    flex:0 0 auto;
    -webkit-appearance:auto;
    appearance:auto;
    background:transparent;
    border:none;
    accent-color:#1d4ed8;
    box-shadow:none;
    cursor:pointer;
}

.remember-option input:focus{
    box-shadow:none;
}

.change-password-link{
    flex:0 0 auto;
    font-size:13px;
    font-weight:700;
    color:#1941b8;
    text-decoration:none;
}

.change-password-link.is-secondary{
    color:#5b6f96;
}

.change-password-link:hover{
    color:#0f2357;
}

.helper-text{
    margin:2px 0 0;
    font-size:13px;
    line-height:1.55;
    color:var(--muted);
}

.helper-text strong{
    color:#1941b8;
}

.login-pwa-panel{
    margin-top:4px;
}

.footer{
    margin-top:2px;
    text-align:center;
    font-size:13px;
    color:#5470a1;
}

button:focus-visible,
input:focus-visible{
    outline:none;
}

.toggle-password:focus-visible,
.submit-btn:focus-visible{
    box-shadow:0 0 0 4px rgba(45,99,240,.18);
}

@media (min-width:768px){
    .page{
        padding:32px;
    }

    .login-card{
        width:min(100%, 460px);
    }

    .hero{
        padding:28px 28px 22px;
    }

    .form-area{
        padding:24px 28px 28px;
    }

    .title{
        font-size:32px;
    }

    .subtitle{
        font-size:15px;
    }

    .login-pwa-panel{
        margin-top:8px;
    }
}

@media (max-height:700px){
    .page{
        align-items:flex-start;
    }
}

@media (max-width:420px){
    .login-options{
        flex-direction:column;
        align-items:flex-start;
    }

    .login-links{
        width:100%;
        justify-content:flex-start;
    }
}