:root{
    --primary:#2e8b57;
    --bg:#f8fafc;
    --text:#1f2937;
    --border:#e5e7eb;
}

body{
    font-family: Arial, sans-serif;
    background:var(--bg);
    margin:0;
    color:var(--text);
}

/* MAIN WRAPPER */
.bmi-wrapper{
    max-width:1100px;
    margin:24px auto;
    background:#fff;
    border:1.5px solid var(--border);
    border-radius:14px;
    padding:24px;
    display:grid;
    grid-template-columns:2fr 1fr;
    gap:24px;
}

/* LEFT */
.gender button{
    padding:10px 24px;
    border:1px solid var(--primary);
    background:#fff;
    border-radius:8px;
    margin-right:10px;
    cursor:pointer;
}
.gender button.active{
    background:var(--primary);
    color:#fff;
}

.field{ margin:16px 0; }
.field input{
    padding:12px;
    width:180px;
    border:1px solid #d1d5db;
    border-radius:8px;
    font-size:16px;
}
input[type="number"]{
    appearance: textfield;
}
input[type="number"]:focus{
    border-color: #0F766E;
    outline: none;
}
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.height-box{ display:flex; gap:10px; }
.switch{
    font-size:14px;
    color:var(--primary);
    cursor:pointer;
    margin-top:6px;
}

/* BUTTON */
.calculate{
    margin-top:20px;
    padding:14px 44px;
    background:linear-gradient(135deg,#2e8b57,#3cb371);
    border:none;
    color:#fff;
    font-size:18px;
    border-radius:10px;
    cursor:pointer;
}

/* RIGHT */
.right{
    background:#f3f4f6;
    border-radius:14px;
    padding:20px;
    text-align:center;
}
.bmi-value{
    font-size:36px;
    margin:8px 0;
}

/* PROGRESS BAR */
.scale{
    height:8px;
    background:#ddd;
    border-radius:6px;
    margin:18px 0;
    position:relative;
    overflow:hidden;
}
.fill{
    height:100%;
    width:100%;
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .8s cubic-bezier(.22,1,.36,1),
               background .4s ease;
}
.pointer{
    width:4px;
    height:16px;
    background:#000;
    position:absolute;
    top:-4px;
    left:0%;
    transition:left .8s cubic-bezier(.22,1,.36,1);
}

.labels{
    display:flex;
    justify-content:space-between;
    font-size:12px;
    color:#6b7280;
}
.note{
    font-size:14px;
    margin-top:12px;
    color:#e63946;
}

/* 📱 MOBILE FRIENDLY */
@media(max-width:768px){

    .bmi-wrapper{
        grid-template-columns:1fr;
        padding:18px;
    }

    .field input{
        width:100%;
    }

    .height-box{
        flex-direction:column;
    }

    .gender button{
        width:48%;
        margin-right:0;
    }

    .gender{
        display:flex;
        gap:10px;
    }

    .calculate{
        width:100%;
        padding:14px;
        font-size:17px;
    }

    .right{
        padding:18px;
    }

    .bmi-value{
        font-size:32px;
    }
}




.navbar{
    border-bottom: 1px solid var(--primary);
}
.navbar-brand{
    color: var(--primary) !important;
    font-size: 2rem !important;
    font-weight: bolder !important;
}



.containerc{
    max-width:1000px;
    margin:30px auto;
    background:#fff;
    padding:25px;
    border-radius:8px;
    box-shadow:0 0 15px rgba(0,0,0,0.1);
}
h1{
    /* text-align:center; */
    margin-bottom:20px;
}






.content-area{
    min-height: 80vh;
}


  .info{
        display: flex;
        align-items: center;
        /* justify-content: center; */

    }
    .info i{
        font-size: 2rem;
        margin: 0 10px;
    }
     .info a{
        font-size: 1.2rem;
        text-decoration: none;
        color: black;
    }






    footer{
        background-color: #ececec;
        padding: 10px;
        border-top: 1px solid var(--text);
    }
    footer div ul{
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 20px;
        list-style: none;
    }
    footer div ul a{
        color: black;
        text-decoration: none;
        font-size: 17px;
    }
    footer div ul a:hover{
        color: var(--primary);
    }
    footer div p{
        color: black;
        text-decoration: none;
        font-size: 17px;
        text-align: center;
    }