@charset "UTF-8";

@font-face {
    font-family: 'aUI';
    src: url('aui.ttf') format('truetype');
}

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans:wght@400;700&display=swap');

@keyframes neonPulse {
    0% {
        opacity: 0.9;
        text-shadow: 0 0 3px var(--neon-aui-glow), 0 0 6px var(--neon-aui-glow);
    }
    50% {
        opacity: 1;
        text-shadow: 0 0 8px var(--neon-aui-glow), 0 0 15px var(--neon-aui-glow), 0 0 45px var(--neon-aui-glow);
    }
    100% {
        opacity: 0.9;
        text-shadow: 0 0 3px var(--neon-aui-glow), 0 0 6px var(--neon-aui-glow);
    }
}

:root {
    --text-color: white;
    --container-width: 1000px;
    --container-padding-x: 24px;
    --transition-duration: 0.2s;
    --padding-block: 70px;
    --column-gap: clamp(0.9375rem, calc(0.4688rem + 2.45vw), 1.875rem);

    --neon-white: #32cbfd;

    --neon-aui: #ECFF00;
    --neon-aui-glow: rgba(223, 199, 64, 0.4);
    --neon-roman: #40f24d;
    --neon-translate: #32cbfd;
    --sound-color: #fff;
}

.theme-active {
    --neon-aui: #ECFF00;
    --neon-aui-glow: rgba(45, 226, 249, 0.4);
    --neon-roman: #8D47FE;
    --neon-translate: #5fcaa9;
    --sound-color: #5D95FD;
}

@media (width <= 90.06125rem) {
    :root {
        --container-width: 80rem;
    }
}

html {
    /**
      Пригодится в большинстве ситуаций
      (когда, например, нужно будет "прижать" футер к низу сайта)
     */
    height: 100%;
    /**
      Убираем скачок интерфейса по горизонтали
      при появлении / исчезновении скроллбара
     */
    scrollbar-gutter: stable;

}

html,
:has(:target) {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans', sans-serif;
    font-size: clamp(0.875rem, 0.8112745098rem + 0.2614379085vw, 1.125rem);
    /*background-color: #1A202C;*/
    background-color: #000;
    color: var(--text-color);
    margin: 0;
    /*padding: 20px;*/
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}


.background-gradient {
    position: fixed;
    z-index: -2;
    width: 100%;
    height: 100%;
    background: radial-gradient(
            circle at top left,
            rgba(102, 51, 153, 0.3) 0%,
            transparent 60%
    ),
    radial-gradient(
            circle at bottom right,
            rgba(0, 102, 204, 0.2) 0%,
            transparent 70%
    ),
    #000; /* базовый тёмный фон */
    background-repeat: no-repeat;
    background-size: cover;
}


.switch-wrapper {
    position: absolute;
    top: 150px;
    right: 17vw;
}

.switch {
    display: inline-block;
    position: relative;
    width: 3rem;
    height: 2rem;
}


.switch input {
    opacity: 1;
    width: 0;
    height: 0;
}

.move {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: #F0DF47;
    border-radius: 3rem;
    border: .1rem solid #ddd;
    transition: 0.3s ease;
    cursor: pointer;
}

.move::before {
    position: absolute;
    content: '';
    background: #fff;
    width: 1.8rem;
    height: 1.8rem;
    border-radius: 1.5rem;
    top: 0;
    bottom: 0;
    left: 0.12rem;
    box-shadow: 0 0.2rem 0.5rem #000;
    transition: 0.5s;
}

input:checked + .move {
    background: #5fdd54;
    border: 0.1rem solid transparent;

}

input:checked + .move::before {
    transform: translateX(1rem);
}


button {
    padding-block: 20px;
    padding-inline: 20px;
    border-radius: 5px;
    cursor: pointer;
    outline: none;
    border: none;
    font-size: 0.92em;
    color: var(--text-color);
}


button.active, button:hover {
    color: var(--neon-aui);
    border-color: var(--neon-aui);
}

.elements-chart__button {
    flex-grow: 1;
    background: none;
    border: 1px solid white;
}


.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    margin: -1px !important;
    border: 0 !important;
    padding: 0 !important;
    white-space: nowrap !important;
    clip-path: inset(100%) !important;
    clip: rect(0 0 0 0) !important;
    overflow: hidden !important;
}

.container {
    max-width: calc(var(--container-width) + var(--container-padding-x) * 2);
    margin-inline: auto;
    padding-inline: var(--container-padding-x);
}


.elements-chart__title {
    font-size: 3em;
    text-align: center;
    line-height: 1.2;
    margin-bottom: 35px;
    background: linear-gradient(to bottom, #ffffff, #a5a5a5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.elements-chart__subtitle {
    text-align: center;
    font-size: 2em;
    color: #7d7f99;
}

.elements-chart__table-wrapper {
    padding-block: var(--padding-block);
}

.elements-chart_controls {
    margin-bottom: 25px;
    display: flex;
    flex-wrap: wrap;
    gap: var(--column-gap);
    justify-content: space-between;
}

.chart {
    display: grid;
    /*grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));*/
    grid-template-columns: repeat(5, 1fr); /* например, 5 колонок */
    gap: 10px;
    width: 100%;
    align-items: stretch;
}

.cell {
    box-sizing: border-box;
    position: relative;
    aspect-ratio: 1;
    padding: 15px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    text-align: center;

    background: rgba(255, 255, 255, 0.02);
    /*background: rgba(9, 11, 99, 0.4);*/
    background: linear-gradient(341deg, rgba(2, 0, 36, 1) 0%, rgb(24 13 54) 35%, #030a5f 70%);
    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.2),
    0 0 15px rgba(255, 255, 255, 0.08);

    /*backdrop-filter: blur(15px); !* Эффект "запотевшего стекла" *!*/
    /*-webkit-backdrop-filter: blur(15px);*/

    border: 1px solid rgba(255, 255, 255, 0.5); /* мягкая граница */
    /*border: 1px solid var(--neon-white);*/
    border-radius: 5px;
    /*box-shadow: 0 0 10px var(--neon-purple), inset 0 0 5px var(--neon-purple);*/
    animation: borderPulse 4s infinite ease-in-out;
    transition: all 0.3s;
}


.symbol-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.symbol {
    margin-bottom: 5px;
    text-align: center;
    font-family: 'aUI', sans-serif;
    font-size: 96px;
    color: var(--neon-aui);
    transition: all 0.3s;
    text-shadow: 0 0 10px var(--neon-aui), 0 0 20px var(--neon-aui);
    animation: neonPulse 3s infinite ease-in-out;
}

.roman {
    position: absolute;
    top: 65px;
    right: -30px;
    font-family: 'Noto Sans', sans-serif;
    font-weight: 700;
    color: var(--neon-roman);
    font-size: 24px;
    transition: all 0.3s;
    /*text-shadow: 0 0 8px var(--neon-roman), 0 0 15px var(--neon-roman);*/
}

.meaning {
    display: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: all 0.3s;
}

.category {
    color: var(--neon-translate);
    font-weight: bold;
    font-size: 20px;
    margin-bottom: 10px;
    text-shadow: 0 0 5px var(--neon-yellow), 0 0 10px var(--neon-yellow);
    transition: all 0.3s;

}

.description {
    display: block;
    max-width: 120px;
    padding-bottom: 20px;
    color: var(--neon-white);
    font-size: 16px;
    text-align: center;
    text-shadow: 0 0 5px var(--neon-yellow);
    /*opacity: 0;*/
    transition: opacity 0.3s ease;
}


.numbers {
    /*grid-column: 2 / -1; !* от первой до последней колонки *!*/
    grid-column: 4 / 6; /* или 4 / -1, если всего 5 колонок */
    grid-row: span 2;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.number-title {
    color: var(--neon-green);
    margin-bottom: 10px;
    font-weight: bold;
    text-shadow: 0 0 10px var(--neon-green), 0 0 15px var(--neon-green);
}

.number-subtitle {
    color: var(--neon-green);
    margin-bottom: 15px;
    font-style: italic;
    font-size: 14px;
    text-shadow: 0 0 8px var(--neon-green);
}

.number-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
    width: 100%;
}

.number-cell {
    margin-top: 5px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.numbers-symbol-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    row-gap: 5px;
    align-items: center;
    justify-content: center;
}

.number-symbol {
    font-family: 'aUI', sans-serif;
    color: var(--neon-aui);
    font-size: 28px;
    text-shadow: 0 0 10px var(--neon-purple), 0 0 15px var(--neon-purple);
    animation: neonPulse 2s infinite ease-in-out;
}

.number-roman {
    font-family: 'Noto Sans', sans-serif;
    color: var(--neon-roman);
    font-size: 28px;
    text-shadow: 0 0 8px var(--neon-roman);
}

.number-name {
    color: var(--neon-translate);
    font-size: 20px;
    text-align: center;
    text-shadow: 0 0 5px var(--neon-translate);
}

.hidden {
    opacity: 0;
}

.sound {
    position: absolute;
    bottom: 5px;
    left: 10px;
    transition: stroke 0.3s ease;
}

.sound svg {
    fill: var(--sound-color);
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.sound svg:hover {
    opacity: 1;
}

.tooltip {
    position: absolute;
    left: 50%;
    top: 100%; /* сразу под .cell */
    transform: translateX(-50%);
    /*transform: translateX(-60%);*/
    margin-top: 10px;

    z-index: 100;
    padding: 16px;
    border: 1px solid var(--neon-aui);
    border-radius: 5px;
    box-shadow: 0 0 15px var(--neon-aui-glow);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    /*transform: translateY(100px);*/
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
}


.tooltip img {
    width: 250px;
    height: 250px;
    object-fit: cover;
    border-radius: 3px;
}

.tooltip p {
    margin: 0;
    color: white;
    font-size: 14px;
    line-height: 1.4;
}

.cell:hover .tooltip {
    opacity: 1;
    /*transform: translateY(0);*/
}


/* Всё ДО 1440.98px */
@media (max-width: 1440.98px) {
}

/* Всё ПОСЛЕ 1440.98px */
@media (min-width: 1441px) {
}

/* Всё ДО 1023.98px */
@media (max-width: 1023.98px) {
}

/* Всё ПОСЛЕ 1023.98px */
@media (min-width: 1024px) {
}


@media (max-width: 845px) {

    .numbers {
        grid-column: 1 / -1; /* занимай всю ширину! */
        order: 2;
        aspect-ratio: auto;
        padding-block: 25px;
    }

    .chart {
        grid-template-columns: repeat(4, 1fr); /* например, 5 колонок */
    }

}

/* Всё ДО 767.98px */
@media (max-width: 767.98px) {
    .chart {
        grid-template-columns: repeat(3, 1fr); /* например, 5 колонок */
    }
}


@media (min-width: 542px) and (max-width: 693px) {

}

/* Всё ПОСЛЕ 767.98px */
@media (min-width: 768px) {

}

/* Всё ДО 480.98px */
@media (max-width: 480.98px) {
    :root {
        --padding-block: 40px;
    }

    body {
        padding: 0;
    }

    .chart {
        grid-template-columns: repeat(2, 1fr);
    }

    .number-grid {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    }

}

/* Всё ПОСЛЕ 480.98px */
@media (min-width: 481px) {

}

/* Всё ДО 375.98px */
@media (max-width: 375.98px) {
    .chart {
        grid-template-columns: none;
    }
}