:root{

    --primary:#3b82f6;
    --accent:#00e5ff;

    --dark:#020617;
    --dark2:#0f172a;

    --glass:rgba(2,6,23,.60);
}

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

html,
body{
    height:100%;
}

body{
    font-family:'Inter',sans-serif;
    overflow-x:hidden;
    background:#020617;
}

.login-wrapper{
    display:flex;
    min-height:100vh;
}

/* ==========================================
   LEWA STRONA
========================================== */

.login-left{
    flex:1;
    position:relative;

    background:
    linear-gradient(
        rgba(2,6,23,.55),
        rgba(2,6,23,.85)
    ),
    url('/img/tower-login.jpg');

    background-size:cover;
    background-position:center;
}

.hero-overlay{
    position:absolute;
    inset:0;

    background:
    radial-gradient(
        circle at top left,
        rgba(59,130,246,.18),
        transparent 40%
    );
}

.hero-content{
    position:absolute;

    left:80px;
    bottom:80px;

    max-width:650px;

    color:white;

    z-index:2;
}

.hero-logo{
    width:90px;
    margin-bottom:25px;
}

.hero-title{
    font-size:68px;
    font-weight:800;
    line-height:0.95;
    margin-bottom:20px;
}

.hero-subtitle{
    color:var(--accent);

    text-transform:uppercase;

    letter-spacing:2px;

    font-size:13px;

    margin-bottom:20px;
}

.hero-description{
    font-size:20px;
    line-height:1.7;
    color:#cbd5e1;

    margin-bottom:35px;
}

.status-row{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
}

.status-item{

    display:flex;
    align-items:center;
    gap:10px;

    background:
    rgba(255,255,255,.08);

    border:
    1px solid rgba(255,255,255,.08);

    border-radius:30px;

    padding:10px 16px;

    font-size:13px;

    backdrop-filter:blur(10px);
}

.status-dot{
    width:8px;
    height:8px;

    border-radius:50%;

    background:#22c55e;

    animation:pulse 2s infinite;
}

@keyframes pulse{

    0%{
        box-shadow:0 0 0 0 rgba(34,197,94,.6);
    }

    70%{
        box-shadow:0 0 0 10px rgba(34,197,94,0);
    }

    100%{
        box-shadow:0 0 0 0 rgba(34,197,94,0);
    }

}

/* ==========================================
   PRAWA STRONA
========================================== */

.login-right{

    width:520px;

    display:flex;
    align-items:center;
    justify-content:center;

    padding:40px;
}

.login-card{

    position:relative;

    width:100%;

    padding:40px;

    border-radius:28px;

    background:var(--glass);

    backdrop-filter:blur(25px);
    -webkit-backdrop-filter:blur(25px);

    border:
    1px solid rgba(96,165,250,.15);

    box-shadow:
    0 0 40px rgba(59,130,246,.15),
    0 25px 80px rgba(0,0,0,.45);

    overflow:hidden;
}

.login-card::before{

    content:"";

    position:absolute;

    left:0;
    top:-100%;

    width:100%;
    height:100%;

    background:
    linear-gradient(
        transparent,
        rgba(0,229,255,.05),
        transparent
    );

    animation:scan 8s linear infinite;
}

@keyframes scan{

    from{
        top:-100%;
    }

    to{
        top:100%;
    }
}

.login-header{
    display:flex;
    align-items:center;
    gap:15px;

    margin-bottom:25px;

    position:relative;
    z-index:2;
}

.lock-circle{

    width:60px;
    height:60px;

    border-radius:50%;

    display:flex;
    align-items:center;
    justify-content:center;

    background:
    rgba(59,130,246,.12);

    color:#60a5fa;

    font-size:24px;
}

.login-header h2{
    color:white;
    font-size:30px;
}

.subtitle{
    color:#94a3b8;
}

.form-group{
    margin-bottom:18px;
    position:relative;
    z-index:2;
}

.form-group label{

    display:block;

    color:#cbd5e1;

    margin-bottom:8px;

    font-size:14px;
}

.form-group i{
    margin-right:8px;
}

.form-control{

    width:100%;

    padding:15px;

    border-radius:14px;

    border:
    1px solid rgba(255,255,255,.08);

    background:
    rgba(255,255,255,.04);

    color:white;

    transition:.2s;
}

.form-control::placeholder{
    color:#64748b;
}

.form-control:focus{

    outline:none;

    border-color:var(--accent);

    box-shadow:
    0 0 15px rgba(0,229,255,.30);
}

.btn-login{

    width:100%;
    height:56px;

    border:none;

    border-radius:14px;

    cursor:pointer;

    font-weight:700;

    color:white;

    background:
    linear-gradient(
        135deg,
        #2563eb,
        #00e5ff
    );

    box-shadow:
    0 0 25px rgba(0,229,255,.25);

    position:relative;
    z-index:2;
}

.alert-error{

    background:
    rgba(127,29,29,.45);

    color:#fecaca;

    border:
    1px solid rgba(248,113,113,.30);

    padding:14px;

    border-radius:12px;

    margin-bottom:20px;

    position:relative;
    z-index:2;
}

.login-footer{

    margin-top:25px;

    text-align:center;

    color:#64748b;

    font-size:12px;

    position:relative;
    z-index:2;
}

/* ==========================================
   MOBILE
========================================== */

@media(max-width:900px){

    .login-wrapper{
        display:block;
    }

    .login-left{

        position:fixed;

        inset:0;
    }

    .hero-content{

        left:25px;
        right:25px;
        top:30px;
        bottom:auto;

        max-width:none;
    }

    .hero-logo{
        width:70px;
    }

    .hero-title{
        font-size:42px;
    }

    .hero-description{
        font-size:16px;
    }

    .status-row{
        gap:8px;
    }

    .status-item{
        font-size:11px;
        padding:8px 12px;
    }

    .login-right{

        width:100%;
        min-height:100vh;

        align-items:flex-end;

        padding:20px;

        position:relative;
        z-index:5;
    }

    .login-card{

        width:100%;

        margin-top:260px;

        padding:28px;
    }

}