/* RESET */
*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:"Segoe UI", Arial, sans-serif;
}

/* BODY */
body{
    background:#f3f6fb;
    color:#1e293b;
    min-height:100vh;
    padding:40px 20px;
}

/* TITLE */
.page-title{
    text-align:center;
    font-size:34px;
    font-weight:700;
    margin-bottom:40px;
    color:#0f172a;
}


/* CONTAINER */
.exam-container{
    max-width:900px;
    margin:auto;
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:24px;
}

/* First card top center */
.exam-card:first-child{
    grid-column:1 / span 2;
    max-width:420px;
    width:100%;
    justify-self:center;
}

/* CARD */
.exam-card{
    background:#ffffff;
    border-radius:18px;
    padding:24px;
    border:1px solid #dbe4ee;
    box-shadow:0 8px 24px rgba(15,23,42,0.06);
    transition:0.25s ease;
}

.exam-card:hover{
    transform:translateY(-4px);
    box-shadow:0 14px 32px rgba(15,23,42,0.10);
}

/* TOP SECTION */
.exam-top{
    display:flex;
    align-items:flex-start;
    gap:16px;
    margin-bottom:22px;
}

/* NUMBER */
.exam-no{
    min-width:48px;
    height:48px;
    border-radius:12px;
    background:#2563eb;
    color:#ffffff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:17px;
    font-weight:700;
}

/* DETAILS */
.exam-details{
    flex:1;
}

/* TITLE */
.exam-title{
    font-size:18px;
    font-weight:600;
    line-height:1.5;
    color:#0f172a;
}

/* SUBTITLE */
.exam-subtitle{
    margin-top:5px;
    font-size:14px;
    color:#64748b;
}

/* BUTTON AREA */
.exam-action{
    width:100%;
}

/* BUTTON */
.exam-btn{
    width:100%;
    border:none;
    text-decoration:none;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:13px;
    border-radius:12px;
    font-size:14px;
    font-weight:600;
    transition:0.25s ease;
    cursor:pointer;
}

/* ACTIVE */
.exam-btn.active{
    background:#2563eb;
    color:#ffffff;
}

.exam-btn.active:hover{
    background:#1d4ed8;
}

/* DISABLED */
.exam-btn.disabled{
    background:#eef2f7;
    color:#64748b;
    cursor:not-allowed;
}

/* MOBILE */
@media(max-width:600px){

    body{
        padding:25px 14px;
    }

    .page-title{
        font-size:26px;
        margin-bottom:28px;
    }

    .exam-card{
        padding:20px;
    }

    .exam-title{
        font-size:16px;
    }
}