*{
    box-sizing:border-box;
}

:root{
    --eleva-dark:#08283f;
    --eleva-blue:#103a5d;
    --eleva-light:#1767a8;
    --eleva-cyan:#00afc7;
    --eleva-border:rgba(255,255,255,.08);
}

body{
    margin:0;
    min-height:100vh;
    font-family:Inter,system-ui,sans-serif;
    background:
        radial-gradient(circle at top left, rgba(0,175,199,.14), transparent 26%),
        radial-gradient(circle at bottom right, rgba(23,103,168,.18), transparent 28%),
        linear-gradient(135deg, #071a2b 0%, #08283f 45%, #103a5d 100%);
    overflow-x:hidden;
    color:#fff;
}

.login-page{
    min-height:100vh;
    display:grid;
    place-items:center;
    padding:20px;
    position:relative;
}

.bg-light-blue,
.bg-light-blue-2{
    position:absolute;
    border-radius:999px;
    filter:blur(40px);
    pointer-events:none;
}

.bg-light-blue{
    width:260px;
    height:260px;
    background:rgba(0,175,199,.16);
    top:-80px;
    left:-60px;
}

.bg-light-blue-2{
    width:340px;
    height:340px;
    background:rgba(23,103,168,.18);
    right:-120px;
    bottom:-120px;
}

.login-card{
    width:min(920px,100%);
    min-height:560px;
    display:grid;
    grid-template-columns:.92fr 1.08fr;
    border-radius:28px;
    overflow:hidden;
    border:1px solid rgba(255,255,255,.06);
    background:rgba(7,26,43,.78);
    backdrop-filter:blur(16px);
    box-shadow:0 30px 80px rgba(0,0,0,.38);
    position:relative;
    z-index:2;
}

.left-side{
    position:relative;
    padding:42px;
    background:
        radial-gradient(circle at top left, rgba(0,175,199,.18), transparent 28%),
        linear-gradient(145deg, #08283f 0%, #103a5d 100%);
    display:flex;
    flex-direction:column;
    justify-content:space-between;
}

.left-side:before{
    content:"";
    position:absolute;
    width:420px;
    height:420px;
    right:-240px;
    top:60px;
    transform:rotate(-18deg);
    background:
        linear-gradient(90deg,
            transparent 0 36%,
            rgba(0,175,199,.42) 36% 52%,
            transparent 52% 60%,
            rgba(23,103,168,.34) 60% 82%,
            transparent 82%);
    pointer-events:none;
}

.logo-area,
.brand-content{
    position:relative;
    z-index:1;
}

.logo-area img{
    width:210px;
    max-width:100%;
    object-fit:contain;
}

.badge-eleva{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:9px 14px;
    border-radius:999px;
    background:rgba(0,175,199,.12);
    border:1px solid rgba(0,175,199,.28);
    color:#d8f8ff;
    font-size:12px;
    font-weight:800;
    margin-bottom:18px;
}

.brand-content h1{
    margin:0 0 14px;
    font-size:54px;
    line-height:.95;
    font-weight:950;
    letter-spacing:-2px;
}

.brand-content p{
    margin:0;
    max-width:320px;
    color:rgba(255,255,255,.72);
    font-size:15px;
    line-height:1.6;
}

.right-side{
    padding:42px;
    display:grid;
    place-items:center;
    position:relative;
    z-index:3;
}

.form-box{
    width:100%;
    max-width:410px;
}

.form-header{
    display:flex;
    align-items:center;
    gap:14px;
    margin-bottom:24px;
}

.icon-box{
    width:50px;
    height:50px;
    border-radius:16px;
    background:linear-gradient(135deg, var(--eleva-cyan), var(--eleva-light));
    display:grid;
    place-items:center;
    font-size:22px;
}

.form-header h2{
    margin:0;
    font-size:28px;
    font-weight:900;
}

.form-header small{
    color:rgba(255,255,255,.58);
}

.form-label{
    font-size:12px;
    font-weight:800;
    color:#dce7f0;
    margin-bottom:8px;
}

.system-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:10px;
    position:relative;
    z-index:5;
}

.system-card{
    min-height:78px;
    border-radius:18px;
    border:1px solid rgba(255,255,255,.08);
    background:rgba(255,255,255,.04);
    color:#fff;
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    gap:8px;
    cursor:pointer;
    transition:.16s ease;
    padding:10px;
    position:relative;
    z-index:6;
}

.system-card i{
    width:34px;
    height:34px;
    border-radius:12px;
    background:rgba(255,255,255,.08);
    display:grid;
    place-items:center;
    color:#7dd6ff;
    font-size:17px;
}

.system-card strong{
    font-size:12px;
    font-weight:800;
    text-align:center;
}

.system-card:hover{
    background:rgba(255,255,255,.06);
    border-color:rgba(0,175,199,.28);
}

.system-card.active{
    border-color:rgba(0,175,199,.58);
    background:linear-gradient(135deg, rgba(0,175,199,.14), rgba(23,103,168,.10));
    box-shadow:0 12px 26px rgba(0,175,199,.12);
}

.system-card.active i{
    background:linear-gradient(135deg, var(--eleva-cyan), var(--eleva-light));
    color:#fff;
}

.field{
    height:50px;
    border-radius:16px;
    border:1px solid rgba(255,255,255,.08);
    background:rgba(255,255,255,.04);
    display:flex;
    align-items:center;
    gap:10px;
    padding:0 14px;
}

.field:focus-within{
    border-color:rgba(0,175,199,.48);
    box-shadow:0 0 0 4px rgba(0,175,199,.10);
}

.field > i{
    color:#7dd6ff;
}

.field input{
    width:100%;
    height:48px;
    border:0;
    outline:0;
    background:transparent;
    color:#fff;
    font-weight:600;
}

.field button{
    border:0;
    background:transparent;
    color:#7dd6ff;
}

.btn-login{
    width:100%;
    height:52px;
    border:0;
    border-radius:18px;
    background:linear-gradient(135deg, var(--eleva-cyan), var(--eleva-light));
    color:#fff;
    font-weight:900;
    margin-top:4px;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    box-shadow:0 18px 36px rgba(0,175,199,.20);
}

.btn-login:hover{
    transform:translateY(-1px);
}

.alert-danger{
    border:0;
    border-radius:14px;
    background:#7a1d1d;
    color:#fff;
}

@media(max-width:900px){

    .login-card{
        grid-template-columns:1fr;
        min-height:auto;
    }

    .left-side,
    .right-side{
        padding:28px;
    }

}

@media(max-width:575px){

    .login-page{
        padding:12px;
    }

    .login-card{
        border-radius:22px;
    }

    .left-side,
    .right-side{
        padding:22px;
    }

    .brand-content h1{
        font-size:38px;
    }

    .system-grid{
        grid-template-columns:1fr;
    }

    .system-card{
        min-height:56px;
        flex-direction:row;
        justify-content:flex-start;
        padding:0 14px;
    }

}