:root {
    --bg: #111828;
    --container: #1a2234;
    --footer: #151d2d;
    --object: #232d42;
    --text: #a2afc1;
    --accent: #5f799cc0;
    --danger: #9c3730;
    --gold: #ffd700;
    --silver: #c0c0c0;
    --bronze: #cd7f32;
    --radius: clamp(6px, 1.5vw, 8px);
    --s-xs: clamp(0.25rem, 1vw, 0.5rem);
    --s-sm: clamp(0.3rem, 1.5vw, 0.6rem);
    --s-md: clamp(0.5rem, 2vw, 1rem);
    --s-lg: clamp(0.5rem, 2vw, 1.5rem);
    --s-xl: clamp(1rem, 3vw, 2rem);
    --font-xs: clamp(0.6rem, 1.8vw, 0.75rem);
    --font-sm: clamp(0.65rem, 2.2vw, 0.82rem);
    --font-md: clamp(0.75rem, 2.5vw, 0.9rem);
    --font-base: clamp(0.75rem, 3vw, 1rem);
    --font-lg: clamp(1.2rem, 4vw, 2rem);
    --icon: clamp(1rem, 2.8vw, 1.3rem);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: "Roboto Local";
    /*outline: solid 1px orangered;*/
}

::selection {
    background-color: var(--text);
    color: var(--bg);
}

html {
    scroll-behavior: smooth;
    background: var(--bg);
}

body {
    color: var(--text);
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--s-md);
    gap: var(--s-lg);
    overscroll-behavior: contain;
    animation: fadeIn 0.6s ease forwards;
    opacity: 1;
}

main {
    max-width: 600px;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--s-lg);
    padding-bottom: 0;
}

footer {
    background-color: var(--footer);
    padding: var(--s-xs);
    border-radius: var(--radius);
    margin-top: auto;
    width: 100%;
    max-width: 600px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--s-xs);
}

.footer-left {
    padding: var(--s-sm) var(--s-md);
    border-radius: var(--radius);
    font-size: var(--font-xs);
    opacity: 0.8;
}

.footer-left a {
    color: var(--text);
    font-weight: 400;
}

#help {
    background: var(--object);
    color: white;
    padding: var(--s-xs);
    border-radius: var(--radius);
    opacity: 1;
    visibility: hidden;
    transition: opacity 0.2s;
}

#help img {
    opacity: 1;
}

#help-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

#help-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

#help-overlay.show .help-backdrop {
    opacity: 1;
}

.help-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    transition: opacity 0.25s;
    opacity: 0;
}

.help-modal {
    position: relative;
    z-index: 1;
    width: min(90%, 500px);
    max-height: 80dvh;
    background: var(--container);
    border-radius: clamp(12px, 3vw, 20px);
    padding: var(--s-lg);
    display: flex;
    flex-direction: column;
    gap: var(--s-md);
    overflow-y: auto;
    animation: fadeIn 0.2s;
    font-size: var(--font-md);
}

.help-modal h2 {
    text-align: center;
    padding-bottom: var(--s-sm);
}

#help-content {
    display: flex;
    flex-direction: column;
    gap: 0;
}

#help-content .info-item {
    display: flex;
    align-items: center;
    gap: var(--s-md);
    padding: var(--s-lg) 0;
    position: relative;
}

#help-content .info-item:not(:last-child)::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--object);
    border-radius: 999px;
}

#help-content .info-item img {
    opacity: 1;
    flex-shrink: 0;
}

#help-content .info-item span {
    font-size: var(--font-md);
    font-weight: 400;
    text-align: left;
    opacity: 0.9;
}

nav {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--bg);
    padding: var(--s-md) 0;
    margin: calc(-1 * var(--s-md)) 0 0;
}

.nav-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--s-xs);
}

nav button {
    flex: 1;
    min-width: 60px;
    font-size: var(--font-base);
    padding: var(--s-sm) var(--s-md);
    transition:
        background 0.2s,
        opacity 0.25s;
    opacity: 1;
}

nav button.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

section {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: var(--s-xs);
}

button,
input {
    background: var(--object);
    color: var(--text);
    border: 1px solid transparent;
    padding: var(--s-sm);
    font-size: var(--font-base);
    border-radius: var(--radius);
    outline: none;
}

button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--s-xs);
    cursor: pointer;
    transition: background 0.2s;
}

input:focus {
    border-color: var(--accent);
}

input[type="text"] {
    flex: 1;
    min-width: clamp(50px, 20vw, 120px);
}

input[type="number"],
input[inputmode="numeric"] {
    width: clamp(40px, 15vw, 80px);
    text-align: center;
    appearance: textfield;
    border-radius: 0;
}

img {
    opacity: 0.8;
    height: var(--icon);
    width: var(--icon);
    flex-shrink: 0;
}

article {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--s-xs);
    padding: clamp(0.4rem, 1.5vw, 0.75rem);
    border: 2px solid transparent;
    border-radius: clamp(8px, 2vw, 12px);
    background: var(--container);
    box-shadow: 0 0 0 transparent;
    transition:
        border 0.2s,
        opacity 0.2s,
        transform 0.2s,
        padding 0.2s,
        margin 0.2s,
        box-shadow 0.2s;
    margin-bottom: var(--s-xs);
}

article > input[type="text"] {
    order: 1;
}

article > output {
    order: 0;
}

article > span {
    order: 2;
}

article > button[data-calc] {
    order: 3;
}

article > button {
    order: 4;
}

article > span,
article > button[data-calc] {
    display: flex;
    align-items: stretch;
    transition:
        visibility 0.2s,
        opacity 0.2s;
}

article > span > button:first-child {
    border-radius: var(--radius) 0 0 var(--radius);
}

article > span > button:last-child {
    border-radius: 0 var(--radius) var(--radius) 0;
}

output {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 2em;
    padding-right: 0.5em;
    text-align: center;
    font-weight: 700;
    font-size: var(--font-base);
    opacity: 0.6;
    transition:
        visibility 0.2s,
        opacity 0.2s;
}

output::after {
    content: "";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: clamp(2px, 0.5vw, 3px);
    height: 75%;
    border-radius: clamp(1px, 0.3vw, 2px);
}

output.gold,
output.silver,
output.bronze {
    opacity: 1;
}

output.gold::after {
    background: var(--gold);
}

output.silver::after {
    background: var(--silver);
}

output.bronze::after {
    background: var(--bronze);
}

aside {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.8;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: fit-content;
    max-width: min(90%, 400px);
    transition: opacity 0.2s;
}

aside > p {
    font-size: var(--font-lg);
    font-weight: 700;
    margin-bottom: var(--s-lg);
    text-align: center;
    width: 100%;
}

aside > .info-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--s-md);
    width: 100%;
    padding: var(--s-lg) 0;
    transition: background 0.2s;
    opacity: 0;
    animation: slideInItem 0.3s ease forwards;
}

aside > .info-item:nth-child(2) {
    animation-delay: 0.1s;
}

aside > .info-item:nth-child(3) {
    animation-delay: 0.2s;
}

aside > .info-item:nth-child(4) {
    animation-delay: 0.29s;
}

aside > .info-item:nth-child(5) {
    animation-delay: 0.37s;
}

aside > .info-item:nth-child(6) {
    animation-delay: 0.44s;
}

aside > .info-item:nth-child(7) {
    animation-delay: 0.5s;
}

aside > .info-item:nth-child(8) {
    animation-delay: 0.55s;
}

aside > .info-item:not(:nth-child(8))::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--object);
    border-radius: 999px;
}

aside > .info-item img {
    opacity: 1;
    flex-shrink: 0;
}

aside > .info-item span {
    font-size: var(--font-md);
    font-weight: 400;
    text-align: left;
    opacity: 0.9;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-0.5em);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInAside {
    from {
        opacity: 0;
        transform: translate(-50%, -50%);
    }
    to {
        opacity: 0.5;
        transform: translate(-50%, -50%);
    }
}

@keyframes slideInItem {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 0.75;
        transform: translateY(0);
    }
}

.fadeIn {
    animation: slideIn 0.2s;
}

aside.fadeIn {
    animation: fadeInAside 0.2s;
}

.fadeOut {
    opacity: 0;
    transform: translateY(-0.5em);
    max-height: 0;
    overflow: hidden;
    padding-top: 0;
    padding-bottom: 0;
    margin-top: calc(-1 * (var(--s-xs) + clamp(0.4rem, 1.5vw, 0.75rem)));
}

aside.fadeOut {
    opacity: 0;
    transform: translate(-50%, -50%);
}

.highlight {
    border-color: var(--accent);
    box-shadow: 0 0 clamp(8px, 2vw, 12px)
        color-mix(in srgb, var(--accent) 40%, transparent);
}

.pending {
    background: var(--danger) !important;
    color: white;
}

.noname > span,
.noname > button[data-calc],
.noname > output {
    visibility: hidden;
    opacity: 0;
}

@media (hover: hover) {
    button:hover:not(:disabled):not(.pending) {
        background: var(--accent);
        color: white;
    }
}

#ranking-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

#ranking-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

#ranking-overlay.show .ranking-backdrop {
    opacity: 1;
}

.ranking-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    transition: opacity 0.25s;
    opacity: 0;
}

.ranking-modal {
    position: relative;
    z-index: 1;
    width: min(90%, 500px);
    max-height: 80dvh;
    background: var(--container);
    border-radius: clamp(12px, 3vw, 20px);
    padding: var(--s-lg);
    display: flex;
    flex-direction: column;
    gap: var(--s-xs);
    overflow-y: auto;
    animation: fadeIn 0.2s;
    font-size: var(--font-md);
}

.ranking-modal h2 {
    text-align: center;
    padding-bottom: var(--s-sm);
}

.ranking-row {
    display: flex;
    justify-content: space-between;
    padding: var(--s-sm);
    background: var(--object);
    border-radius: var(--radius);
    font-weight: 400;
    margin-bottom: var(--s-md);
    position: relative;
    padding-left: var(--s-lg);
}

.ranking-row span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ranking-row::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 5px;
    height: 100%;
    border-radius: var(--radius) 0 0 var(--radius);
    background: var(--object);
}

.ranking-row.gold::before {
    background: var(--gold);
}

.ranking-row.silver::before {
    background: var(--silver);
}

.ranking-row.bronze::before {
    background: var(--bronze);
}

.ranking-row.gold span,
.ranking-row.silver span,
.ranking-row.bronze span {
    font-weight: 700;
}

#calc-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

#calc-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

#calc-overlay.show .calc-backdrop {
    opacity: 1;
}

.calc-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    transition: opacity 0.25s;
    opacity: 0;
}

.calc-modal {
    position: relative;
    z-index: 1;
    width: min(90%, 400px);
    background: var(--container);
    border-radius: clamp(12px, 3vw, 20px);
    padding: var(--s-lg);
    display: flex;
    flex-direction: column;
    gap: var(--s-xs);
    animation: fadeIn 0.2s;
    font-size: var(--font-md);
}

.calc-modal h2 {
    text-align: center;
    padding-bottom: var(--s-sm);
}

.calc-modal h2 {
    text-align: center;
    padding-bottom: var(--s-sm);
}

.calc-info-grid {
    display: grid;
    grid-template-columns: auto auto;
    gap: var(--s-sm) var(--s-md);
    padding: var(--s-md);
    background: var(--object);
    border-radius: var(--radius);
    margin-bottom: var(--s-md);
    align-items: center;
    justify-content: center;
}

.calc-info-label {
    font-size: var(--font-sm);
    opacity: 0.6;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 400;
    text-align: right;
}

.calc-info-value {
    font-size: var(--font-base);
    font-weight: 700;
    text-align: left;
}

.calc-preview-container {
    margin-bottom: var(--s-md);
}

.calc-preview-label {
    font-size: var(--font-sm);
    opacity: 0.6;
    text-transform: uppercase;
    margin-bottom: var(--s-xs);
    text-align: center;
}

#calc-preview {
    text-align: center;
    font-size: var(--font-lg);
    font-weight: 700;
    padding: var(--s-md);
    background: var(--object);
    border-radius: var(--radius);
    min-height: 2.5em;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

#calc-preview.error {
    color: var(--danger);
}

.calc-modal input {
    font-size: var(--font-base);
}

.calc-buttons {
    display: flex;
    gap: var(--s-xs);
}

.calc-buttons button {
    flex: 1;
}

noscript .noscript-warning {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--container);
    border: 2px solid var(--danger);
    border-radius: clamp(12px, 3vw, 20px);
    padding: var(--s-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--s-md);
    max-width: min(90%, 400px);
    text-align: center;
    z-index: 1000;
}

noscript .noscript-warning img {
    width: var(--s-xl);
    height: var(--s-xl);
}

noscript .noscript-warning p {
    font-size: var(--font-base);
    font-weight: 400;
    color: var(--text);
}