@font-face {
    font-family: "Roboto Local";
    src: url("/assets/fonts/Roboto-Light.woff2") format("woff2");
    font-weight: 300;
    font-style: normal;
    font-display: block;
    unicode-range: U+0020-007F;
}

@font-face {
    font-family: "Roboto Local";
    src: url("/assets/fonts/Roboto-Regular.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: block;
    unicode-range: U+0020-007F;
}

@font-face {
    font-family: "Roboto Local";
    src: url("/assets/fonts/Roboto-Bold.woff2") format("woff2");
    font-weight: 700;
    font-style: normal;
    font-display: block;
    unicode-range: U+0020-007F;
}

:root {
    --bg: #111828;
    --container: #1a2234;
    --object: #232d42;
    --text: #a2afc1;
    --accent: #5f799c;
    --danger: #9c3730;
    --radius: clamp(6px, 1.5vw, 8px);
    --pad: clamp(0.3rem, 2vw, 0.6rem);
    --gap: clamp(0.25rem, 1vw, 0.5rem);
    --anim: 0.2s ease;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: "Roboto Local", sans-serif;
}

body {
    background: var(--bg);
    color: var(--text);
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: clamp(0.5rem, 2vw, 2rem);
    padding-bottom: 0;
    gap: clamp(0.5rem, 2vw, 1.5rem);
    overscroll-behavior: contain;
}

main {
    max-width: min(100%, 600px);
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(0.5rem, 2vw, 1.5rem);
    padding-top: calc(
        clamp(0.4rem, 1.5vw, 1rem) * 2 + clamp(0.6rem, 2.5vw, 1rem) +
            var(--pad) * 2 + clamp(0.5rem, 2vw, 1.5rem)
    );
    padding-bottom: 0;
    animation: fadeIn var(--anim);
}

footer {
    margin-top: auto;
    text-align: center;
    padding: clamp(0.4rem, 1.5vw, 1rem);
    font-size: clamp(0.6rem, 1.8vw, 0.75rem);
    opacity: 0.4;
}

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

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--gap);
    max-width: min(100%, 600px);
    margin: 0 auto;
    z-index: 10;
    background: var(--bg);
    padding: clamp(0.4rem, 1.5vw, 1rem) clamp(0.5rem, 2vw, 2rem);
}

nav > button {
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    font-size: clamp(0.65rem, 2.5vw, 1rem);
    padding: var(--pad) clamp(0.3rem, 2vw, 1.2rem);
}

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

button,
input {
    background: var(--object);
    color: var(--text);
    border: 1px solid transparent;
    padding: var(--pad);
    font-size: clamp(0.75rem, 3vw, 1rem);
    border-radius: var(--radius);
    outline: none;
}

button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(0.2rem, 1vw, var(--gap));
    padding: var(--pad) clamp(0.3rem, 2vw, 1.2rem);
    cursor: pointer;
    transition: background 0.2s;
}

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

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

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

input[type="number"] {
    width: clamp(35px, 12vw, 70px);
    text-align: center;
    appearance: textfield;
    border-radius: 0;
    height: 100%;
}

img {
    opacity: 0.8;
    height: clamp(1rem, 2.8vw, 1.3rem);
    width: clamp(1rem, 2.8vw, 1.3rem);
    flex-shrink: 0;
}

article {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
    gap: clamp(0.25rem, 1.2vw, 0.5rem);
    padding: clamp(0.4rem, 1.2vw, 0.75rem);
    border: 2px solid transparent;
    border-radius: clamp(8px, 2vw, 12px);
    background: var(--container);
    overflow: visible;
    box-shadow: 0 0 0 transparent;
    transition:
        border var(--anim),
        opacity var(--anim),
        transform var(--anim),
        padding var(--anim),
        margin var(--anim),
        box-shadow var(--anim) 0.1s;
    margin-bottom: var(--gap);
}

article > input[type="text"] {
    order: 1;
    flex-basis: 100%;
}
article > output {
    order: 0;
}
article > span {
    order: 2;
    flex: 1;
}
article > button {
    order: 3;
}

@media (min-width: 400px) {
    article {
        flex-wrap: nowrap;
    }
    article > input[type="text"],
    article > output,
    article > span,
    article > button {
        order: unset;
    }
    article > input[type="text"] {
        flex-basis: auto;
    }
    article > span {
        flex: 0;
    }
}

article > span {
    display: flex;
    align-items: stretch;
    transition:
        visibility var(--anim),
        opacity var(--anim);
}

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-width: clamp(1.2em, 4vw, 1.5em);
    padding-right: clamp(0.15em, 1vw, 0.25em);
    text-align: center;
    font-weight: 700;
    font-size: clamp(0.6rem, 2.2vw, 0.82rem);
    opacity: 0.6;
    transition:
        visibility var(--anim),
        opacity var(--anim);
}

output::after {
    content: "";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: clamp(2px, 0.5vw, 3px);
    height: 100%;
    border-radius: clamp(1px, 0.3vw, 2px);
    background: transparent;
}

output.gold,
output.silver,
output.bronze {
    opacity: 1;
}
output.gold::after {
    background: #ffd700;
}
output.silver::after {
    background: #c0c0c0;
}
output.bronze::after {
    background: #cd7f32;
}

aside {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    opacity: 0.5;
    display: flex;
    flex-direction: column;
    width: 100%;
    transition: opacity var(--anim);
}

aside > p {
    font-size: clamp(1.2rem, 4vw, 2rem);
    font-weight: 700;
    padding-bottom: clamp(0.2rem, 1.5vw, 0.5rem);
}

aside > span {
    display: block;
    font-size: clamp(0.7rem, 2.5vw, 1rem);
    font-weight: 400;
    padding-bottom: clamp(0.1rem, 1vw, 0.35rem);
}

@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%);
    }
}

.fadeIn {
    animation: slideIn var(--anim);
}

aside.fadeIn {
    animation: fadeInAside var(--anim);
}

.fadeOut {
    opacity: 0;
    transform: translateY(-0.5em);
    max-height: 0;
    overflow: hidden;
    padding-top: 0;
    padding-bottom: 0;
    margin-top: calc(-1 * (var(--gap) + clamp(0.5rem, 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 > output {
    visibility: hidden;
    opacity: 0;
}

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