*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Inter,Arial,sans-serif;
}

body{
    min-height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    padding:20px;

    background:
        radial-gradient(circle at top,#214b8f 0%,#0f2346 18%,#081426 40%,#050b17 100%);
    color:#eef4ff;
}

.card{
    width:430px;
    max-width:100%;

    padding:38px;

    border-radius:24px;

    background:linear-gradient(180deg,#182844,#0d1729);

    border:1px solid rgba(95,140,255,.18);

    box-shadow:0 20px 50px rgba(0,0,0,.45);
}

.logo{
    display:block;
    width:72px;
    height:72px;
    margin:auto;
    border-radius:18px;
    box-shadow:0 0 20px rgba(75,141,255,.25);
}

h1{
    margin:22px 0 28px;
    text-align:center;
    font-size:32px;
    color:#fff;
}

.phone-box{
    display:flex;
    height:56px;
    margin-top:10px;

    overflow:hidden;

    border-radius:16px;

    background:#111f36;

    border:1px solid rgba(95,140,255,.18);
}

.phone-box:focus-within{
    border-color:#4b8dff;
}

.country{
    width:72px;

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

    background:#1b2d4c;

    color:#dceaff;

    font-weight:700;
}

.phone-box input{

    flex:1;

    background:none;

    border:none;

    outline:none;

    color:white;

    padding:0 16px;

    font-size:16px;
}

.phone-box input::placeholder,
.otp-input::placeholder{

    color:#8ea8d2;
}

.otp-input{

    width:100%;

    height:56px;

    margin-top:18px;

    border-radius:16px;

    border:1px solid rgba(95,140,255,.18);

    background:#111f36;

    color:#fff;

    outline:none;

    text-align:center;

    font-size:22px;

    font-weight:700;

    letter-spacing:10px;
}

.otp-input:focus{
    border-color:#4b8dff;
}

.primary-btn{

    width:100%;

    height:54px;

    margin-top:18px;

    border:none;

    border-radius:16px;

    cursor:pointer;

    font-size:15px;

    font-weight:700;

    color:#fff;

    background:linear-gradient(135deg,#3c82ff,#2563eb);

    transition:.25s;
}

.primary-btn:hover{

    transform:translateY(-2px);

    filter:brightness(1.05);
}

.divider{

    display:flex;

    align-items:center;

    gap:14px;

    margin:28px 0;
}

.divider::before,
.divider::after{

    content:"";

    flex:1;

    height:1px;

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

.divider span{

    color:#8ea8d2;

    font-size:13px;
}

.google-box{

    display:flex;

    justify-content:center;
}

.error-message{

    min-height:20px;

    margin-bottom:18px;

    text-align:center;

    color:#ff7b7b;

    font-size:14px;

    font-weight:600;
}

.footer{

    margin-top:26px;

    text-align:center;

    color:#edf4ff;

    font-size:13px;

    line-height:1.6;
}

@media(max-width:500px){

    .card{

        padding:28px 22px;

        border-radius:20px;
    }

    h1{

        font-size:28px;
    }

    .logo{

        width:64px;
        height:64px;
    }
}