numerical-analysis.css

@font-face {
    font-family: rezasadid;
    src: url(https://rezasadid.com/files/data/vazir.ttf);
}

::-webkit-scrollbar {
    width: 10px !important;
    height: 10px !important;
}

::-webkit-scrollbar-track {
    background: #7979df30 !important;
}

::-webkit-scrollbar-thumb {
    background: #7979df !important;
}

* {
    box-sizing: border-box;
    font-family: rezasadid !important;
}

body {
    display: flex;
    flex-direction: row;
    width: 100vw;
    height: 100vh;
    padding: 0;
    margin: 0;
    background-color: #24242c;
}

.pic {
    width: 40%;
    height: 100%;
    overflow: hidden;
}

.pic img {
    object-fit: cover;
    width: 100%;
    height: 100%;
}

.pic > div {
    display: block;
    width: 40%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    backdrop-filter: blur(40px);
    background: #0000007d;
}

.header {
    background: #000000;
    height: 90px;
    width: 90px;
    display: flex;
    align-items: center;
    flex-direction: row-reverse;
    border-radius: 0 10px 10px 0;
    position: fixed;
    left: 0;
    bottom: 20px;
    transition: .4s;
    z-index: 200;
}

.header:hover {
    width: 40%;
    height: 100dvh;
    bottom: 0;
    border-radius: 0;
}

video {
    border-radius: 50%;
    object-fit: contain;
    width: 100%;
    height: 100%;
}

.page {
    width: 60%;
    height: 100dvh;
    background-color: #24242c;
    gap: 20px;
    overflow-x: hidden;
    overflow-y: auto;
    padding: 20px;
    display: inline-grid;
    align-content: space-between;
    align-items: start;
}

.page > div {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.page > *,
.page > div > * {
    max-width: 100%;
    margin: 0;
}

h1 {
    color: #fff;
    text-align: center;
}

p {
    color: #8f9094;
    text-align: center;
}

.page > div > p {
    text-align: justify;
    text-align-last: center;
}

code {
    text-align: left;
    direction: ltr;
    margin: 0;
    display: inline-flex;
}

button {
    text-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0 !important;
}

button::-webkit-scrollbar {
    width: 0 !important;
    height: 0 !important;
}

button code {
    margin: 0 5px;
}

.message {
    background: #34344e;
    color: #ffffff;
    width: 100%;
    height: 50px;
    border-radius: 10px;
    justify-content: center;
    align-content: center;
    align-items: center;
    display: none;
}

.inp {
    width: 100%;
    height: 50px;
    max-height: 50px;
    min-height: 50px;
    display: flex;
    align-items: center;
    position: relative;
}

.inp span:not(.inp label span) {
    position: absolute;
    color: #ffffff;
    direction: ltr;
    text-align: left;
    left: 22px;
    font-size: 15px;
}

.inp span:not(.inp label span, .inp > span:nth-of-type(1)) {
    left: unset;
    right: 22px;
}

.inp label {
    position: absolute;
    right: 20px;
    left: unset !important;
    color: #777780;
    height: 20px;
    padding-left: 5px;
    cursor: text;
    padding-right: 5px;
    margin-top: -5px;
    transition: .2s;
}

.inp label:has(span) {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-content: flex-end;
    justify-content: flex-end;
    text-align: left;
    direction: ltr;
    align-items: baseline;
}

.inp label span {
    transform: scale(0.7);
    display: inline-flex;
    flex-direction: row;
    align-content: flex-end;
    justify-content: flex-start;
    flex-wrap: nowrap;
    direction: ltr;
    text-align: left;
    height: 100%;
    align-items: flex-end;
    position: relative;
    top: 3px;
}

.inp input {
    width: 100%;
    height: 100%;
    background-color: transparent;
    border: 2px solid #494954;
    border-radius: 10px;
    outline: none;
    transition: .4s;
    color: #fff;
    padding-left: 20px;
    padding-right: 20px;
    font-size: 15px;
    direction: ltr;
    text-align: left;
}

.inp input:focus {
    border: 2px solid #1f1fff;
    box-shadow: #6767ff 0px 1px 1px, #6767ff 0px 0px 0px 1px;
}

.inp input:focus+label,
.inp.custom1 input+label,
.inp.custom2 input+label {
    right: 20px;
    transform: translateY(-22px);
    font-size: 12px;
    background-color: #24242c;
}

.custom1 input,
.custom3 input {
    padding-left: 36px;
}

.custom2 input {
    padding-left: 30px;
    padding-right: 45px;
}

.note {
    font-size: 13px;
    color: #9d9da7;
    padding-right: 20px;
    margin-top: -10px !important;
    text-align: justify;
    width: 100%;
}

.note span {
    font-size: 24px;
    position: relative;
    top: -5px;
    margin-right: -20px;
    height: 0;
    display: block;
}

.up {
    left: 20px;
    transform: translateY(-22px);
    font-size: 12px;
    background-color: #24242c;
}

form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
}

.separator {
    display: flex;
    align-items: baseline;
    width: 100%;
    margin: -20px 0px !important;
}

.separator .line {
    height: 3px;
    flex: 1;
    background-color: #8f9094;
}

.separator p {
    padding: 0 10px;
}

.help {
    background: #34344e;
    padding: 20px;
    border-radius: 10px;
    color: #ffffffb3;
    text-align: justify;
    font-size: 13px;
    line-height: 25px;
}

.help span {
    color: #34344e;
    background: #ffffff;
    font-weight: bold;
    padding: 3px 20px 2px 8px;
    border-radius: 8px 0 0 8px;
    margin-right: -20px;
    margin-left: 2px;
}

.help code {
    margin: 0;
    background: #ffffff12;
    border-radius: 7px;
    padding: 0 5px;
    height: 25px;
    border: 2px solid #34344e;
    align-items: center;
    align-content: center;
    justify-content: center;
}

.log {
    width: 100%;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    align-content: center;
    flex-wrap: nowrap;
    background: #ffffff15;
    border-radius: 10px;
    padding: 20px;
    color: #ffffff;
    opacity: 0.8;
}

.log hr {
    width: 100%;
}

.log code {
    width: 100%;
    background: #ffffff10;
    border-left: 3px solid #ffffff;
    padding-left: 5px;
    margin: 5px 0;
}

.footer {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    align-content: flex-start !important;
    width: 100%;
    color: #d3d3d5;
    border-top: 2px solid #e7edf5cf;
    padding: 15px;
    font-size: 11px;
    padding: 20px 0 0px 0;
    margin-top: 5px;
}

.msg {
    position: fixed;
    width: 100%;
    height: 40px;
    padding: 10px 20px;
    background: #07041e60;
    backdrop-filter: blur(5px);
    display: none;
    align-content: center;
    align-items: center;
    justify-content: flex-start;
    color: #ffffff;
    font-size: 10px;
    top: 90px;
    text-align: justify;
}

button, .button {
    width: 100%;
    height: 50px;
    min-height: 50px;
    max-height: 50px;
    background-color: #6767ff;
    border: none;
    border-radius: 10px;
    outline: none;
    transition: .4s;
    color: #fff;
    padding-left: 20px;
    padding-right: 20px;
    font-size: 15px;
    cursor: pointer;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-content: center;
    justify-content: center;
    align-items: center;
    text-decoration: none;
}

button:hover, .button:hover {
    background-color: #1717c2;
    border: none;
}

.button span {
    height: 30px;
    width: 30px;
    display: flex;
    flex-direction: column;
    align-content: center;
    justify-content: center;
    align-items: center;
    background: rgb(255 255 255 / 20%);
    border-radius: 20px;
    margin: 10px;
}

.back {
    background: #ffffff21;
    position: static;
    top: 20px;
    right: 20px;
    width: fit-content;
}

a:not(.button) {
    color: #b7b7ff;
    text-decoration: none;
    transition: .4s;
}

a:hover:not(.button:hover) {
    color: #6d6df9;
}

.fa {
    font-family: rezasadid !important;
    direction: rtl !important;
}

.main {
    position: fixed;
    width: 40%;
    left: 0;
    bottom: calc(50dvh - 80px);
    height: 160px;
    z-index: 5;
    font-size: 50px;
    text-transform: uppercase;
    letter-spacing: 5px;
    display: flex;
    align-items: center;
    align-content: center;
    justify-content: center;
    flex-direction: column;
    flex-wrap: nowrap;
    text-shadow: 6px 4px black;
}

@media only screen and (max-width: 750px) {
    body {
        flex-direction: column;
    }

    .header {
        top: 20px;
        left: 20px;
        border-radius: 10px !important;
        bottom: unset !important;
    }

    .header:hover {
        width: 100% !important;;
        height: 130px !important;;
        top: 0 !important;;
        left: 0 !important;;
    }

    .help {
        font-size: 10px !important;
    }

    .pic {
        height: 130px !important;
        width: 100%;
        order: 1;
        overflow: visible !important;
    }

    .pic > div {
        width: 100%;
        height: 130px;
    }

    .back {
        background: #6767ff;
        position: fixed;
    }

    .page {
        width: 100%;
        order: 2;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        align-content: center;
        align-items: center;
        flex-wrap: nowrap;
    }
    
    .note span {
        top: -10px;
    }

    .footer {
        flex-direction: column !important;
        gap: 15px !important;
    }

    .msg {
        display: flex !important;
        z-index: 100;
    }

    .footer > a:nth-of-type(1) {
        min-width: unset !important;
        text-align: center !important;
        margin-top: -2px;
    }

    .main {
        display: none;
        top: 20px;
        left: 130px;
        font-size: 16px;
        height: 50px;
        align-items: flex-end;
        flex-direction: column;
        justify-content: center;
        align-content: flex-end;
        text-align: left;
        text-shadow: 4px 3px black;
    }
}