*{box-sizing:border-box}

:root{
    --espresso:#3d2417;
    --coffee:#6d3f27;
    --caramel:#c58a4a;
    --cream:#f6efe4;
    --paper:#fffdf9;
    --text:#2e2925;
    --muted:#756b63;
    --line:#e6d8c9;
    --danger:#9c1c1c;
}

html,body{min-height:100%}

body{
    margin:0;
    font-family:Arial,Helvetica,sans-serif;
    color:var(--text);
    background:
        radial-gradient(circle at 15% 20%,rgba(197,138,74,.18),transparent 28%),
        radial-gradient(circle at 85% 80%,rgba(109,63,39,.14),transparent 30%),
        linear-gradient(145deg,#f3eadf,#fffaf3);
}

.coffee-bg{
    position:fixed;
    inset:0;
    pointer-events:none;
    opacity:.2;
    background-image:
        radial-gradient(circle at 20px 20px,rgba(61,36,23,.14) 1.5px,transparent 1.5px);
    background-size:34px 34px;
}

.portal{
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:28px 16px;
}

.wifi-card{
    position:relative;
    width:min(470px,100%);
    overflow:hidden;
    background:rgba(255,253,249,.97);
    border:1px solid rgba(109,63,39,.12);
    border-radius:28px;
    box-shadow:0 28px 70px rgba(61,36,23,.2);
    padding:34px;
}

.top-accent{
    position:absolute;
    top:0;
    left:0;
    right:0;
    height:7px;
    background:linear-gradient(90deg,var(--espresso),var(--caramel),var(--espresso));
}

.brand{
    display:flex;
    align-items:center;
    gap:18px;
    margin-bottom:24px;
}

.brand-logo,
.logo-fallback{
    width:92px;
    height:92px;
    object-fit:contain;
    flex:0 0 92px;
}

.logo-fallback{
    display:none;
    place-items:center;
    border-radius:50%;
    background:var(--espresso);
    color:#fff;
    font-size:44px;
    font-weight:700;
    border:5px solid #ead8c4;
}

.brand-text .welcome{
    display:block;
    color:var(--muted);
    font-size:14px;
    letter-spacing:.08em;
    text-transform:uppercase;
}

.brand-text h1{
    margin:2px 0 4px;
    color:var(--espresso);
    font-size:38px;
    line-height:1;
}

.brand-text p{
    margin:0;
    color:var(--caramel);
    font-size:13px;
    font-weight:700;
    letter-spacing:.04em;
}

.wifi-badge{
    display:flex;
    align-items:center;
    gap:12px;
    margin-bottom:22px;
    padding:14px 16px;
    border:1px solid var(--line);
    border-radius:16px;
    background:#fbf5ed;
}

.wifi-icon{
    width:42px;
    height:42px;
    display:grid;
    place-items:center;
    border-radius:50%;
    color:#fff;
    background:var(--coffee);
    font-size:23px;
}

.wifi-badge strong,
.wifi-badge small{display:block}

.wifi-badge small{
    margin-top:3px;
    color:var(--muted);
}

.alert{
    margin:0 0 18px;
    padding:13px 14px;
    border:1px solid #efb7b7;
    border-radius:12px;
    background:#fff1f1;
    color:var(--danger);
    font-size:14px;
}

form>label:first-of-type{
    display:block;
    margin-bottom:8px;
    font-size:14px;
    font-weight:700;
    color:var(--espresso);
}

.input-wrap{position:relative}

.input-icon{
    position:absolute;
    left:15px;
    top:50%;
    transform:translateY(-50%);
    color:var(--coffee);
}

input[type=text]{
    width:100%;
    height:52px;
    padding:0 14px 0 44px;
    border:1px solid #d9c9b8;
    border-radius:14px;
    outline:none;
    background:#fff;
    color:var(--text);
    font-size:15px;
    transition:.2s ease;
}

input[type=text]:focus{
    border-color:var(--caramel);
    box-shadow:0 0 0 4px rgba(197,138,74,.16);
}

.check-row{
    display:flex;
    align-items:flex-start;
    gap:10px;
    margin-top:17px;
    color:#4d4540;
    font-size:13.5px;
    line-height:1.5;
    cursor:pointer;
}

.check-row input{
    width:18px;
    height:18px;
    flex:0 0 18px;
    margin-top:1px;
    accent-color:var(--coffee);
}

.check-row a{
    color:var(--coffee);
    font-weight:700;
}

.optional{color:var(--muted)}

button{
    width:100%;
    min-height:54px;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:12px;
    margin-top:22px;
    border:0;
    border-radius:15px;
    color:#fff;
    background:linear-gradient(135deg,var(--espresso),var(--coffee));
    font-size:16px;
    font-weight:700;
    cursor:pointer;
    box-shadow:0 12px 25px rgba(61,36,23,.22);
    transition:transform .18s ease,box-shadow .18s ease;
}

button:hover{
    transform:translateY(-1px);
    box-shadow:0 15px 30px rgba(61,36,23,.27);
}

.arrow{font-size:21px}

.session-info{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    margin-top:20px;
    padding-top:17px;
    border-top:1px dashed var(--line);
    color:var(--muted);
}

.session-info p{
    margin:0;
    font-size:12.5px;
    text-align:center;
}

footer{
    display:flex;
    justify-content:center;
    gap:7px;
    margin-top:14px;
    color:#9a8b7f;
    font-size:11.5px;
}

@media(max-width:520px){
    .portal{padding:14px}
    .wifi-card{padding:28px 22px;border-radius:22px}
    .brand{align-items:center}
    .brand-logo,.logo-fallback{width:76px;height:76px;flex-basis:76px}
    .brand-text h1{font-size:32px}
}

@media(max-width:380px){
    .brand{gap:12px}
    .brand-logo,.logo-fallback{width:64px;height:64px;flex-basis:64px}
    .brand-text h1{font-size:28px}
}