*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body.auth-page{
    min-height:100vh;
    font-family: "Segoe UI", Tahoma, sans-serif;
    color:#dffaff;
    background:
        linear-gradient(rgba(0,8,18,.35), rgba(0,8,18,.75)),
        url("../img/auth-bg.png") center/cover no-repeat;
    display:flex;
    align-items:center;
    justify-content:center;
    overflow:hidden;
}

.auth-shell{
    width:min(1500px,92vw);
    min-height:820px;
    padding:55px 70px;
    border:1px solid rgba(125,239,255,.45);
    border-radius:34px;
    background:rgba(0,15,32,.58);
    box-shadow:
        0 0 80px rgba(0,180,255,.18),
        inset 0 0 80px rgba(0,140,255,.12);
    backdrop-filter:blur(8px);
}

.auth-logo{
    text-align:center;
    margin-bottom:35px;
}

.auth-logo h1{
    font-size:76px;
    letter-spacing:10px;
    font-family:Georgia,serif;
    color:#cfffff;
    text-shadow:0 0 28px rgba(0,220,255,.65);
}

.auth-logo p{
    color:#9defff;
    letter-spacing:2px;
    text-transform:uppercase;
}

.auth-grid{
    display:grid;
    grid-template-columns:1fr 1px 1fr;
    gap:50px;
    align-items:start;
}

.auth-card{
    padding:25px 55px;
}

.auth-card h2{
    text-align:center;
    font-family:Georgia,serif;
    font-size:42px;
    letter-spacing:3px;
    color:#45eaff;
    margin-bottom:40px;
    text-transform:uppercase;
}

.auth-card label{
    display:block;
    margin:18px 0 8px;
    color:#bffaff;
    text-transform:uppercase;
    font-size:14px;
    letter-spacing:1px;
}

.auth-card input{
    width:100%;
    height:58px;
    padding:0 20px;
    background:rgba(0,10,24,.7);
    border:1px solid rgba(125,239,255,.35);
    border-radius:9px;
    color:white;
    font-size:17px;
    outline:none;
}

.auth-card input:focus{
    border-color:#4befff;
    box-shadow:0 0 18px rgba(0,220,255,.35);
}

.auth-btn{
    width:100%;
    height:68px;
    margin-top:32px;
    border-radius:9px;
    border:1px solid rgba(125,239,255,.75);
    background:
        linear-gradient(180deg,rgba(70,240,255,.55),rgba(0,105,145,.85));
    color:#eaffff;
    font-size:26px;
    font-family:Georgia,serif;
    letter-spacing:2px;
    cursor:pointer;
    text-transform:uppercase;
    box-shadow:0 0 25px rgba(0,220,255,.28);
}

.auth-btn:hover{
    filter:brightness(1.2);
}

.auth-link-row{
    margin-top:28px;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:18px;
    color:#d8f7ff;
}

.auth-link-row a{
    color:#48efff;
    text-decoration:none;
    border:1px solid rgba(125,239,255,.45);
    padding:12px 26px;
    border-radius:8px;
    text-transform:uppercase;
}

.auth-link-row a:hover{
    background:rgba(0,200,255,.15);
}

.auth-separator{
    width:1px;
    min-height:520px;

    background:linear-gradient(
        transparent,
        rgba(125,239,255,.35),
        transparent
    );
}

.auth-error{
    padding:14px 18px;
    margin-bottom:20px;
    border:1px solid #ff4d7d;
    background:rgba(255,40,90,.15);
    border-radius:8px;
    color:white;
}

.auth-success{
    padding:14px 18px;
    margin-bottom:20px;
    border:1px solid #32f59a;
    background:rgba(50,245,154,.12);
    border-radius:8px;
}

@media(max-width:900px){
    body.auth-page{
        overflow:auto;
        padding:30px 0;
    }

    .auth-shell{
        min-height:auto;
        padding:35px 22px;
    }

    .auth-grid{
        grid-template-columns:1fr;
        gap:25px;
    }

    .auth-separator{
        display:none;
    }

    .auth-logo h1{
        font-size:48px;
    }

    .auth-card{
        padding:15px;
    }
}
.auth-register-preview{
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    text-align:center;
}

.auth-register-preview p{
    max-width:420px;
    color:#a7eaff;
    line-height:1.8;
    margin:35px 0;
}

.auth-big-link{
    display:inline-block;

    padding:18px 50px;

    border-radius:10px;

    border:1px solid rgba(125,239,255,.45);

    background:
        linear-gradient(
            180deg,
            rgba(70,240,255,.35),
            rgba(0,90,140,.55)
        );

    color:white;
    text-decoration:none;
    text-transform:uppercase;
    letter-spacing:2px;

    box-shadow:
        0 0 20px rgba(0,220,255,.25);
}