:root{
    --bg:#e9ecef;
    --surface:#f7f8fa;
    --surface-hover:#eef1f4;

    --border:#d6dbe1;

    --text:#2f3338;
    --text-muted:#6d737b;

    --green:#22c55e;
    --red:#ef4444;
}

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

body{
    background:var(--bg);
    color:var(--text);
    font-family:Inter, sans-serif;
    min-height:100vh;
}

a{
    color:inherit;
    text-decoration:none;
}

.container{
    width:min(1400px,95%);
    margin:auto;
}

.header{
    background:var(--surface);
    border-bottom:1px solid var(--border);
}

.header-content{
    display:flex;
    justify-content:space-between;
    align-items:center;
    height:70px;
}

.logo{
    display:flex;
    align-items:center;
    gap:12px;
}

.logo-ball{
    font-size:26px;
}

.logo-text{
    display:flex;
    flex-direction:column;
    font-weight:600;
    letter-spacing:1px;
    line-height:1.1;
}

.nav{
    display:flex;
    gap:12px;
}

.nav a{
    padding:10px 16px;
    border-radius:8px;
    transition:.2s;
}

.nav a:hover{
    background:var(--surface-hover);
}

.card{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:14px;
    padding:24px;
    transition:.2s;
}

@media(max-width:600px){
    .header-content{
        height:58px;
    }

    .logo{
        gap:7px;
    }

    .logo-ball{
        font-size:20px;
    }

    .logo-text{
        font-size:13px;
        letter-spacing:.7px;
    }

    .nav{
        gap:2px;
    }

    .nav a{
        padding:8px 7px;
        font-size:13px;
    }

    .container{
        width:94%;
    }

    .card{
        padding:16px;
        border-radius:12px;
    }
}