:root {
    --background: #6e5c62;
    --background-deep: #58494e;
    --tile-border: #3f373a;
    --tile-empty: #756269;
    --correct: #3aa394;
    --present: #d3ad69;
    --absent: #181416;
    --key: #5d5356;
    --text: #fafaff;
    --muted: #d6cfd2;
    --gap: 2px;
    --attempt-count: 9;
}

* {
    box-sizing: border-box;
    touch-action: manipulation;
}

html,
body {
    height: 100%;
    margin: 0;
    overflow: hidden;
}

body {
    background: var(--background);
    color: var(--text);
    font-family: ui-rounded, "Arial Rounded MT Bold", system-ui, sans-serif;
    font-weight: 650;
    -webkit-tap-highlight-color: transparent;
}

button {
    color: inherit;
    font: inherit;
}

button:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 2px;
}

.app {
    display: grid;
    grid-template-rows: auto auto minmax(0, 1fr) auto;
    height: 100dvh;
    max-width: 1440px;
    margin: 0 auto;
    padding-top: env(safe-area-inset-top);
}

@media (pointer: coarse) {
    .app {
        -webkit-user-select: none;
        user-select: none;
    }
}

.topbar {
    display: grid;
    grid-template-columns: 5.5rem 1fr 5.5rem;
    align-items: center;
    min-height: 3.25rem;
    padding: .25rem .75rem;
    border-bottom: 1px solid rgba(255, 255, 255, .18);
}

.topbar h1 {
    min-width: 0;
    margin: 0;
    font-size: clamp(1.3rem, 6vw, 1.8rem);
    letter-spacing: .02em;
    text-align: center;
}

.game-brand {
    display: inline-flex;
    max-width: 100%;
    align-items: center;
    justify-content: center;
    gap: .35rem;
    color: inherit;
    text-decoration: none;
    white-space: nowrap;
}

.game-mascot {
    flex: 0 0 auto;
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 50%;
    object-fit: cover;
    transition: transform .16s ease;
}

.game-brand:hover .game-mascot {
    transform: translateY(-1px) rotate(-4deg);
}

.icon-button {
    display: grid;
    width: 2.4rem;
    height: 2.4rem;
    place-items: center;
    border: 2px solid rgba(255, 255, 255, .65);
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    font-size: 1.2rem;
}

.icon-button:disabled {
    visibility: hidden;
}

.share-button {
    justify-self: end;
}

.topbar-help {
    justify-self: end;
}

.topbar-actions {
    display: flex;
    gap: .45rem;
    justify-self: end;
}

.topbar-actions .icon-button {
    width: 2.3rem;
    height: 2.3rem;
}

.controls {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: .65rem;
    min-height: 3.15rem;
    padding: .35rem .75rem;
}

.control-actions {
    display: flex;
    gap: .4rem;
    justify-content: flex-end;
}

.mode-switch {
    display: flex;
    padding: 3px;
    border-radius: 999px;
    background: var(--background-deep);
}

.mode-switch button {
    min-height: 2rem;
    padding: .3rem .75rem;
    border: 0;
    border-radius: 999px;
    background: transparent;
    cursor: pointer;
    font-size: .78rem;
}

.mode-switch button[aria-pressed="true"] {
    background: var(--text);
    color: var(--background-deep);
}

.status {
    overflow: hidden;
    margin: 0;
    color: var(--muted);
    font-size: .78rem;
    text-align: right;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.new-game-button {
    min-height: 2rem;
    padding: .3rem .7rem;
    border: 1px solid rgba(255, 255, 255, .65);
    border-radius: 999px;
    background: transparent;
    cursor: pointer;
    font-size: .72rem;
    white-space: nowrap;
}

.new-game-button:hover {
    background: rgba(255, 255, 255, .1);
}

.new-game-button:disabled {
    cursor: wait;
    opacity: .55;
}

.retry-button {
    border-color: var(--present);
    background: var(--present);
    color: #2b2426;
}

.new-game-button[hidden] {
    display: none;
}

.game-area {
    min-height: 0;
    padding: .2rem .65rem .45rem;
    overflow: auto;
}

.boards {
    display: grid;
    gap: .45rem;
    width: 100%;
    height: 100%;
    min-height: 15rem;
}

.app[data-board-count="1"] .boards {
    grid-template: minmax(0, 1fr) / minmax(0, 1fr);
}

.app[data-board-count="2"] .boards {
    grid-template: minmax(0, 1fr) / repeat(2, minmax(0, 1fr));
}

.app[data-board-count="4"] .boards {
    grid-template: repeat(2, minmax(0, 1fr)) / repeat(2, minmax(0, 1fr));
}

.app[data-board-count="8"] .boards,
.app[data-board-count="16"] .boards {
    height: auto;
    min-height: 0;
    grid-template: none / repeat(2, minmax(0, 1fr));
    grid-auto-rows: auto;
    align-items: start;
}

.board-shell {
    display: grid;
    grid-template-rows: minmax(0, 1fr);
    min-width: 0;
    min-height: 0;
    justify-items: center;
    transition: opacity .18s ease;
}

.board-shell.solved {
    opacity: .60;
    pointer-events: none;
}

.board-grid {
    display: grid;
    grid-template: repeat(var(--attempt-count), minmax(0, 1fr)) / repeat(5, minmax(0, 1fr));
    gap: var(--gap);
    height: min(100%, 20rem);
    max-width: 100%;
    max-height: 20rem;
    aspect-ratio: 5 / var(--attempt-count);
}

.app[data-board-count="8"] .board-grid,
.app[data-board-count="16"] .board-grid {
    width: min(100%, 10.5rem);
    height: auto;
    max-height: none;
}

.compact-boards .board-shell {
    grid-template-rows: auto;
    align-content: start;
    gap: .3rem;
}

.compact-boards .board-shell.solved {
    pointer-events: auto;
}

.compact-boards .board-grid {
    grid-template-rows: repeat(var(--visible-rows), minmax(0, 1fr));
    aspect-ratio: 5 / var(--visible-rows);
}

.compact-boards [hidden] {
    display: none;
}

.board-remaining {
    margin: 0;
    color: var(--muted);
    font-size: .75rem;
}

.board-toggle {
    min-height: 2rem;
    padding: .25rem .4rem;
    border: 1px solid var(--muted);
    border-radius: .3rem;
    background: transparent;
    cursor: pointer;
    font-size: .72rem;
}

.board-toggle:hover {
    background: rgba(255, 255, 255, .1);
}

.tile {
    display: grid;
    min-width: 0;
    min-height: 0;
    place-items: center;
    border: 1px solid var(--tile-border);
    border-radius: 8%;
    background: var(--tile-empty);
    color: var(--text);
    font-size: clamp(.62rem, 3.15vw, 1.25rem);
    line-height: 1;
    text-transform: uppercase;
    backface-visibility: hidden;
    transform-style: preserve-3d;
}

.tile.flipping {
    will-change: transform;
    animation: tile-flip 320ms ease-in-out;
}

@keyframes tile-flip {
    0% {
        transform: rotateX(0);
    }

    50% {
        transform: rotateX(90deg);
    }

    50.01% {
        transform: rotateX(-90deg);
    }

    100% {
        transform: rotateX(0);
    }
}

.tile.win-wave {
    z-index: 1;
    will-change: transform;
    animation-name: tile-win-wave;
    animation-duration: 520ms;
    animation-timing-function: cubic-bezier(.2, .8, .3, 1);
}

@keyframes tile-win-wave {
    0%,
    100% {
        transform: translateY(0) scale(1);
    }

    42% {
        transform: translateY(-22%) scale(1.08);
    }

    68% {
        transform: translateY(5%) scale(.98);
    }
}

.tile.filled {
    border-color: #8d7c82;
}

.tile.correct,
.tile.present,
.tile.absent {
    border-color: transparent;
}

.correct {
    background: var(--correct) !important;
}

.present {
    background: var(--present) !important;
}

.absent {
    background: var(--absent) !important;
}

.keyboard {
    display: grid;
    gap: .25rem;
    width: min(100%, 46rem);
    margin: 0 auto;
    padding: .35rem .3rem calc(.4rem + env(safe-area-inset-bottom));
}

.keyboard-row {
    display: flex;
    gap: .2rem;
    justify-content: center;
}

.key {
    position: relative;
    display: grid;
    flex: 1 1 0;
    width: 0;
    height: clamp(2.45rem, 6.2vh, 3.25rem);
    max-width: 4rem;
    place-items: center;
    padding: 0;
    overflow: hidden;
    border: 0;
    border-radius: .3rem;
    background: var(--key);
    cursor: pointer;
    font-size: clamp(.72rem, 3.2vw, 1rem);
    transition: filter .08s ease, transform .08s ease;
}

.key:active,
.key.is-pressed {
    filter: brightness(.66);
    transform: translateX(1px) translateY(2px) scale(.97);
}

.key.wide {
    flex-grow: 1.55;
    max-width: 6rem;
    font-size: .64rem;
}

.key-states {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template: 1fr / 1fr;
}

.app[data-board-count="2"] .key-states {
    grid-template: 1fr / repeat(2, 1fr);
}

.app[data-board-count="4"] .key-states {
    grid-template: repeat(2, 1fr) / repeat(2, 1fr);
}

.app[data-board-count="8"] .key-states {
    grid-template: repeat(2, 1fr) / repeat(4, 1fr);
}

.app[data-board-count="16"] .key-states {
    grid-template: repeat(4, 1fr) / repeat(4, 1fr);
}

.key-state {
    background: var(--key);
}

.key-label {
    position: relative;
    z-index: 1;
    text-shadow: 0 1px 2px #251f21;
}

.toast {
    position: fixed;
    z-index: 20;
    top: calc(4rem + env(safe-area-inset-top));
    left: 50%;
    max-width: calc(100vw - 2rem);
    padding: .7rem 1rem;
    transform: translate(-50%, -1rem);
    border-radius: .45rem;
    background: #fafaff;
    color: #312a2c;
    opacity: 0;
    pointer-events: none;
    transition: opacity .18s, transform .18s;
    font-size: .86rem;
    text-align: center;
}

.toast.visible {
    transform: translate(-50%, 0);
    opacity: 1;
}

.modal {
    width: min(92vw, 32rem);
    max-height: min(88dvh, 42rem);
    padding: 1.5rem;
    overflow: auto;
    border: 0;
    border-radius: 1rem;
    background: #4c3f43;
    color: var(--text);
    box-shadow: 0 1.25rem 4rem rgba(0, 0, 0, .35);
}

.modal::backdrop {
    background: rgba(32, 24, 27, .72);
}

.modal h2 {
    margin: 0 2rem 1rem 0;
}

.modal p,
.modal li {
    color: var(--muted);
    font-weight: 500;
    line-height: 1.5;
}

.modal-close {
    position: absolute;
    top: .65rem;
    right: .75rem;
    width: 2.5rem;
    height: 2.5rem;
    border: 0;
    background: transparent;
    cursor: pointer;
    font-size: 1.8rem;
}

.tutorial-modal [hidden] {
    display: none !important;
}

.tutorial-modal {
    width: min(96vw, 40rem);
    max-width: calc(100vw - 1rem);
    max-height: 94dvh;
    padding: 1.25rem;
}

.tutorial-modal .tutorial-progress {
    margin: 0 2.5rem .4rem 0;
    font-size: .8rem;
}

.tutorial-board {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: .25rem;
    width: min(100%, 20rem);
    margin: 1rem auto;
}

.tutorial-board .tile {
    aspect-ratio: 1;
    font-size: 1.5rem;
}

.tutorial-board .tutorial-highlight {
    outline: 2px solid var(--text);
    outline-offset: 1px;
}

.tutorial-modal .tutorial-feedback {
    min-height: 1.5em;
    margin: .4rem 0;
}

.tutorial-modal .keyboard {
    padding-inline: 0;
}

.tutorial-modal .key:disabled {
    cursor: default;
}

@media (max-width: 380px) {
    .tutorial-modal {
        padding: .8rem;
    }
}

.result-mascot {
    display: block;
    width: clamp(7rem, 32vw, 10rem);
    height: auto;
    margin: -.25rem auto .85rem;
}

.example {
    display: grid;
    grid-template-columns: repeat(5, 2.3rem);
    gap: .25rem;
    margin: 1.2rem 0;
}

.example .tile {
    width: 2.3rem;
    height: 2.3rem;
    font-size: 1rem;
}

.solutions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .5rem;
    margin: 1.1rem 0 1.4rem;
}

.daily-summary {
    margin: 0 0 1.4rem;
    padding-top: 1.1rem;
    border-top: 1px solid rgba(255, 255, 255, .18);
}

.daily-summary h3 {
    margin: 0 0 1rem;
    text-align: center;
}

.statistics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(3.8rem, 1fr));
    gap: .4rem;
}

.statistics > div {
    display: grid;
    gap: .2rem;
    text-align: center;
}

.statistics strong {
    font-size: clamp(1.35rem, 7vw, 2rem);
    line-height: 1;
}

.statistics span {
    color: var(--muted);
    font-size: .7rem;
    font-weight: 500;
}

.next-game {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: .6rem;
    margin-top: 1.2rem;
    color: var(--muted);
    font-size: .82rem;
    font-weight: 500;
}

.next-game strong {
    color: var(--text);
    font-size: 1.05rem;
    font-variant-numeric: tabular-nums;
    letter-spacing: .04em;
}

.statistics-modal .next-game {
    margin-top: 1.6rem;
}

[data-daily-only][hidden],
[data-free-only][hidden] {
    display: none;
}

.solve-order {
    margin: 1.2rem 0 1.4rem;
}

.solve-order h3,
.distribution-section h3,
.recent-section h3 {
    margin: 0 0 .75rem;
    font-size: .95rem;
}

.solve-order > div {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
}

.solve-order span {
    padding: .4rem .55rem;
    border-radius: .4rem;
    background: var(--background-deep);
    color: var(--muted);
    font-size: .74rem;
    font-weight: 500;
}

.solve-order span.solved {
    border-left: 3px solid var(--correct);
    color: var(--text);
}

.distribution-section,
.recent-section {
    margin-top: 1.4rem;
    padding-top: 1.1rem;
    border-top: 1px solid rgba(255, 255, 255, .18);
}

.guess-distribution {
    display: grid;
    gap: .35rem;
}

.distribution-row {
    display: grid;
    grid-template-columns: 1.8rem minmax(0, 1fr);
    align-items: center;
    gap: .45rem;
    color: var(--muted);
    font-size: .74rem;
    font-weight: 500;
}

.distribution-track {
    overflow: hidden;
    border-radius: .25rem;
    background: rgba(255, 255, 255, .08);
}

.distribution-bar {
    min-width: 1.6rem;
    padding: .25rem .4rem;
    background: var(--correct);
    color: var(--text);
    font-size: .7rem;
    text-align: right;
}

.distribution-row.loss .distribution-bar {
    background: var(--absent);
}

.recent-calendar {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: .35rem;
}

.calendar-day {
    display: grid;
    min-height: 2.25rem;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .15);
    border-radius: .35rem;
    color: var(--muted);
    font-size: .7rem;
    font-weight: 500;
}

.calendar-day.win {
    border-color: transparent;
    background: var(--correct);
    color: var(--text);
}

.calendar-day.loss {
    border-color: transparent;
    background: var(--absent);
    color: var(--text);
}

.calendar-day.today {
    outline: 2px solid var(--present);
    outline-offset: 1px;
}

.calendar-legend {
    display: flex;
    align-items: center;
    gap: .35rem;
    margin: .65rem 0 0 !important;
    font-size: .7rem;
}

.calendar-legend span {
    width: .7rem;
    height: .7rem;
    margin-left: .4rem;
    border-radius: 2px;
}

.calendar-legend span:first-child {
    margin-left: 0;
}

.calendar-legend .win {
    background: var(--correct);
}

.calendar-legend .loss {
    background: var(--absent);
}

.solution {
    padding: .65rem;
    border-radius: .4rem;
    background: var(--background-deep);
    text-align: center;
    text-transform: uppercase;
}

.result-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .65rem;
}

.result-actions form {
    display: contents;
}

.primary-button,
.secondary-button {
    flex: 1;
    min-height: 2.8rem;
    padding: .6rem 1rem;
    border: 0;
    border-radius: .45rem;
    cursor: pointer;
}

.primary-button {
    background: var(--correct);
}

.secondary-button {
    background: var(--present);
    color: #2b2426;
}

.csrf-token {
    display: none;
}

@media (min-width: 800px) and (min-aspect-ratio: 1/1) {
    .controls {
        padding-inline: 1.5rem;
    }

    .game-area {
        padding: .75rem 1.5rem 1rem;
    }

    .app[data-board-count="4"] .boards {
        grid-template: minmax(0, 1fr) / repeat(4, minmax(0, 1fr));
        gap: 1rem;
    }

    .app[data-board-count="1"] .board-shell,
    .app[data-board-count="2"] .board-shell,
    .app[data-board-count="4"] .board-shell {
        grid-template-rows: minmax(0, 1fr);
        align-content: center;
    }

    .app[data-board-count="1"] .board-grid,
    .app[data-board-count="2"] .board-grid,
    .app[data-board-count="4"] .board-grid {
        height: min(100%, 24rem);
        max-height: 24rem;
    }

    .app[data-board-count="8"] .boards,
    .app[data-board-count="16"] .boards {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: .55rem 1rem;
    }

    .tile {
        font-size: clamp(.8rem, 1.5vw, 1.3rem);
    }
}

@media (min-width: 1200px) and (min-height: 900px) and (min-aspect-ratio: 1/1) {
    .app[data-board-count="8"] .solutions,
    .app[data-board-count="16"] .solutions {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-height: 600px) {
    .topbar {
        min-height: 2.7rem;
    }

    .controls {
        min-height: 2.65rem;
    }

    .key {
        height: 2.15rem;
    }

    .keyboard {
        gap: .18rem;
        padding: .18rem .3rem calc(.32rem + env(safe-area-inset-bottom));
    }
}

@media (max-width: 560px) {
    .controls {
        grid-template-columns: auto minmax(0, 1fr);
    }

    .control-actions {
        grid-column: 1 / -1;
    }

    .control-actions .new-game-button {
        flex: 1;
    }
}

@media (max-width: 360px) {
    .topbar h1 {
        font-size: 1.12rem;
    }

    .game-brand {
        gap: .2rem;
    }

    .game-mascot {
        width: 1.85rem;
        height: 1.85rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
    }
}