:root {
    --ink: #15131a;
    --sun: #ffd84a;
    --pink: #ff6fb1;
    --mint: #7ee8c0;
    --paper: #ffffff;
    --shadow: 5px 5px 0 var(--ink);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    font-family: "Bricolage Grotesque", system-ui, sans-serif;
    color: var(--ink);
    background: var(--sun);
    background-image: radial-gradient(var(--ink) 1.2px, transparent 1.2px);
    background-size: 26px 26px;
    background-position: 0 0;
}

main {
    max-width: 620px;
    margin: 0 auto;
    padding: 48px 18px 70px;
}

.hide {
    display: none !important;
}

header {
    text-align: center;
    margin-bottom: 28px;
}

header h1 {
    font-size: clamp(3rem, 12vw, 4.6rem);
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1;
}

header h1 span {
    background: var(--pink);
    padding: 0 12px;
    margin-left: 6px;
    border: 3px solid var(--ink);
    border-radius: 14px;
    display: inline-block;
    transform: rotate(-3deg);
    box-shadow: var(--shadow);
}

header p {
    margin-top: 16px;
    font-size: 1.15rem;
    font-weight: 600;
}

.tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 22px;
}

.tab {
    flex: 1;
    padding: 14px;
    font: 800 1.05rem inherit;
    font-family: inherit;
    background: var(--paper);
    border: 3px solid var(--ink);
    border-radius: 14px;
    cursor: pointer;
    box-shadow: 3px 3px 0 var(--ink);
    transition: transform .12s, box-shadow .12s;
}

.tab.on {
    background: var(--ink);
    color: #fff;
    transform: translate(3px, 3px);
    box-shadow: 0 0 0 var(--ink);
}

.panel {
    background: var(--paper);
    border: 3px solid var(--ink);
    border-radius: 22px;
    padding: 26px;
    box-shadow: var(--shadow);
}

label {
    display: block;
    font-weight: 800;
    margin: 20px 0 8px;
    font-size: 1rem;
}

.seg {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border: 3px solid var(--ink);
    border-radius: 14px;
    overflow: hidden;
}

.seg button {
    padding: 12px;
    font: 800 1rem inherit;
    font-family: inherit;
    border: 0;
    background: var(--paper);
    cursor: pointer;
}

.seg button+button {
    border-left: 3px solid var(--ink);
}

.seg button.on {
    background: var(--mint);
}

input,
textarea {
    width: 100%;
    padding: 14px 16px;
    font: 500 1.05rem inherit;
    font-family: inherit;
    color: var(--ink);
    background: #faf7ff;
    border: 3px solid var(--ink);
    border-radius: 14px;
    outline: none;
    resize: none;
}

input:focus,
textarea:focus {
    background: #fff;
    box-shadow: 4px 4px 0 var(--pink);
}

::placeholder {
    color: #8a8694;
}

.go {
    width: 100%;
    margin-top: 22px;
    padding: 16px;
    font: 800 1.1rem inherit;
    font-family: inherit;
    color: #fff;
    background: var(--ink);
    border: 3px solid var(--ink);
    border-radius: 14px;
    cursor: pointer;
    box-shadow: 4px 4px 0 var(--pink);
    transition: transform .12s, box-shadow .12s;
}

.go:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--pink);
}

.go:active {
    transform: translate(4px, 4px);
    box-shadow: 0 0 0 var(--pink);
}

button:focus-visible {
    outline: 3px solid var(--pink);
    outline-offset: 3px;
}

/* Chemistry result: periodic-table tiles */
.result {
    margin-top: 20px;
    min-height: 120px;
    padding: 16px;
    background: var(--ink);
    border-radius: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px 22px;
    align-content: flex-start;
}

.hint {
    color: #b9b4c6;
    align-self: center;
    margin: auto;
    font-weight: 500;
}

.word {
    display: flex;
    gap: 5px;
}

.tile {
    position: relative;
    width: 50px;
    height: 56px;
    background: var(--mint);
    border: 2px solid #fff;
    border-radius: 8px;
    text-align: center;
}

.tile i {
    position: absolute;
    top: 3px;
    left: 5px;
    font-size: .62rem;
    font-style: normal;
    font-weight: 600;
}

.tile b {
    display: block;
    margin-top: 16px;
    font-size: 1.45rem;
    font-weight: 800;
}

.tile.plain {
    width: 28px;
    background: transparent;
    border-color: transparent;
    color: #fff;
}

.tile.plain b {
    margin-top: 12px;
}

.plain-out {
    color: var(--mint);
    font-size: 1.3rem;
    font-weight: 600;
    word-break: break-word;
    margin: auto 0;
}

/* Emoji */
.picker {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.picker button,
.picker input {
    width: 48px;
    height: 48px;
    font-size: 1.4rem;
    background: #faf7ff;
    border: 3px solid var(--ink);
    border-radius: 50%;
    cursor: pointer;
    transition: transform .12s;
    text-align: center;
    padding: 0;
}

.picker input::placeholder {
    color: var(--ink);
    opacity: 0.5;
}

.picker input:focus {
    outline: none;
    background: #fff;
}

.picker button:hover {
    transform: scale(1.12) rotate(-6deg);
}

.picker button.on,
.picker input.on {
    background: var(--pink);
    box-shadow: 3px 3px 0 var(--ink);
}

.stage {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 130px;
    margin-bottom: 12px;
    background: var(--mint);
    border: 3px solid var(--ink);
    border-radius: 16px;
}

.big {
    font-size: 4.6rem;
}

.reading .stage {
    display: none;
}

@media (max-width: 480px) {
    .panel {
        padding: 20px 16px;
    }

    .tile {
        width: 42px;
        height: 50px;
    }

    .tile b {
        font-size: 1.2rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}