:root {
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --bg1:#eef4f7;
    --bg2:#dde8ee;
    --card:#ffffff;
    --text:#25313a;
    --muted:#6c7d88;
    --border:#d6e0e6;
    --primary:#8ea8b5;
    --primary-dark:#728c98;
    --danger-bg:#fbeaea;
    --danger-text:#8b3d3d;
}

*{box-sizing:border-box}

body{
    margin:0;
    min-height:100vh;
    font-family:'Roboto',sans-serif;
    background:linear-gradient(180deg,var(--bg1),var(--bg2));
    color:var(--text);
    padding:calc(24px + var(--safe-top)) 16px calc(24px + var(--safe-bottom));
    display:flex;
    align-items:center;
    justify-content:center;
}

.lang-switch{
    position:absolute;
    top:calc(14px + var(--safe-top));
    right:16px;
    display:flex;
    gap:8px;
}

.lang-switch a{
    text-decoration:none;
    color:var(--text);
    background:rgba(255,255,255,.86);
    border:1px solid var(--border);
    border-radius:999px;
    padding:8px 12px;
    font-size:.92rem;
    font-weight:700;
}

.card{
    width:100%;
    max-width:360px;
    background:rgba(255,255,255,.92);
    border:1px solid rgba(255,255,255,.8);
    border-radius:24px;
    padding:28px 22px;
    box-shadow:0 18px 40px rgba(61,79,90,.10);
    backdrop-filter:blur(10px);
}

.brand-box{
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    margin-bottom:18px;
}

.brand-logo{
    width:75px;
    height:75px;
    object-fit:contain;
    display:block;
    margin-bottom:10px;
}

.brand{
    font-size:1.35rem;
    font-weight:700;
    letter-spacing:.2px;
    margin:0;
    text-align:center;
}

.label{
    display:block;
    font-size:.95rem;
    font-weight:500;
    margin-bottom:8px;
}

.input{
    width:100%;
    min-height:52px;
    border:1px solid var(--border);
    border-radius:16px;
    padding:0 14px;
    font:inherit;
    color:var(--text);
    background:#fff;
    outline:none;
}

.input:focus{
    border-color:var(--primary);
    box-shadow:0 0 0 4px rgba(142,168,181,.16);
}

.btn{
    width:100%;
    min-height:52px;
    border:0;
    border-radius:16px;
    background:var(--primary-dark);
    color:#fff;
    font:inherit;
    font-weight:700;
    cursor:pointer;
    margin-top:14px;
}

.btn:hover{background:#657f8b}

.error{
    margin-bottom:12px;
    background:var(--danger-bg);
    color:var(--danger-text);
    border-radius:14px;
    padding:10px 12px;
    font-size:.92rem;
}

.field{
    margin-bottom:14px;
}