:root {
    color-scheme: light;

    --pink: #ea4c89;
    --pink-dark: #c1366c;
    --purple: #6c5ce7;

    --ink: #1c1c28;
    --ink-soft: #6b6b7f;
    --paper: #fbf9fd;
    --card: #ffffff;
    --border: #ececf3;

    --accent: #17c793;
    --accent-dark: #0fa87b;
    --warn: #ffa63e;
    --warn-dark: #e08000;
    --danger: #ff5470;
    --danger-dark: #e13058;
    --tile-border: #d8d6e3;

    --shadow-sm: 0 2px 10px rgba(28, 28, 40, 0.06);
    --shadow-md: 0 16px 32px -12px rgba(28, 28, 40, 0.18);
    --shadow-pink: 0 12px 24px -8px rgba(234, 76, 137, 0.45);

    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 8px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at 12% 8%, rgba(234, 76, 137, 0.12), transparent 40%),
        radial-gradient(circle at 88% 0%, rgba(108, 92, 231, 0.12), transparent 38%),
        var(--paper);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 1rem 3rem;
}

#bg-fractal {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* Brand nav */

.brand {
    width: 100%;
    max-width: 960px;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: var(--ink);
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
    margin: 0 auto 2rem;
}

.brand-mark {
    width: 2.1rem;
    height: 2.1rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--pink), var(--purple));
    color: #fff;
    font-weight: 800;
    box-shadow: var(--shadow-pink);
}

/* Page header */

header {
    text-align: center;
    margin-bottom: 2rem;
}

h1 {
    font-size: 2.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0 0 0.4rem;
    background: linear-gradient(135deg, var(--ink) 40%, var(--pink));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

p.subtitle {
    color: var(--ink-soft);
    font-weight: 600;
    margin: 0;
    display: inline-block;
}

p.subtitle.status-won,
p.subtitle.status-lost {
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    font-weight: 700;
}

p.subtitle.status-won {
    color: var(--accent-dark);
    background: color-mix(in srgb, var(--accent) 16%, transparent);
}

p.subtitle.status-lost {
    color: var(--danger-dark);
    background: color-mix(in srgb, var(--danger) 14%, transparent);
}

.timer-pill {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.35rem;
    width: fit-content;
    margin: 0.6rem auto 0;
    padding: 0.3rem 0.85rem;
    border-radius: 999px;
    background: var(--card);
    border: 1px solid var(--border);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--ink-soft);
    box-shadow: var(--shadow-sm);
}

.timer-pill--done {
    color: var(--pink-dark);
    border-color: transparent;
    background: color-mix(in srgb, var(--pink) 14%, transparent);
}

.exit-link {
    display: block;
    width: fit-content;
    margin: 0.75rem auto 0;
    padding: 0.3rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--ink-soft);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.exit-link:hover {
    border-color: var(--pink);
    color: var(--pink-dark);
}

main {
    width: 100%;
    max-width: 800px;
}

.site-footer {
    width: 100%;
    max-width: 960px;
    margin: 3rem auto 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.9rem;
}

.donate-btn {
    align-self: center !important;
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 1.25rem;
}

.footer-links a {
    color: var(--ink-soft);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--pink-dark);
}

.legal-page {
    max-width: 640px;
    margin: 0 auto;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 2rem 2.25rem;
    line-height: 1.6;
}

.legal-page h2 {
    font-size: 1.1rem;
    margin: 1.75rem 0 0.5rem;
}

.legal-page h2:first-child {
    margin-top: 0;
}

.legal-page p {
    margin: 0 0 0.5rem;
    color: var(--ink-soft);
}

.legal-page code {
    background: var(--paper);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.1rem 0.35rem;
    font-size: 0.9em;
}

/* Home: board preview */

.board-preview {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin: 1.5rem 0 3rem;
}

.board-preview span {
    width: 2.75rem;
    height: 2.75rem;
    border: none;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    text-transform: uppercase;
    background: var(--card);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease;
}

.board-preview span:hover {
    transform: translateY(-3px);
}

.board-preview span:nth-child(2) {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    box-shadow: 0 10px 20px -8px color-mix(in srgb, var(--accent) 60%, transparent);
}

.board-preview span:last-child {
    background: transparent;
    border: 2px dashed var(--tile-border);
    color: var(--ink-soft);
}

/* Mode cards */

.modes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.mode-card {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.6rem 1.6rem;
    display: flex;
    flex-direction: column;
    background: var(--card);
    box-shadow: var(--shadow-sm);
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.mode-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--pink), var(--purple));
}

.mode-card--hangman::before {
    background: linear-gradient(90deg, var(--warn), var(--danger));
}

.mode-card--wordle::before {
    background: linear-gradient(90deg, var(--accent), #2dd4bf);
}

.mode-card--wordsearch::before {
    background: linear-gradient(90deg, var(--purple), var(--pink));
}

.mode-card--crossword::before {
    background: linear-gradient(90deg, var(--warn), var(--purple));
}

.mode-card--sudoku::before {
    background: linear-gradient(90deg, var(--accent), var(--pink));
}

.mode-card--zip::before {
    background: linear-gradient(90deg, var(--pink), var(--accent));
}

.mode-card--kakuro::before {
    background: linear-gradient(90deg, var(--purple), var(--accent));
}

.mode-card--memorama::before {
    background: linear-gradient(90deg, var(--purple), var(--warn));
}

.mode-card--sliding::before {
    background: linear-gradient(90deg, var(--danger), var(--accent));
}

.mode-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.mode-icon {
    font-size: 1.8rem;
    line-height: 1;
    margin-bottom: 0.75rem;
}

.mode-card h2 {
    margin: 0 0 0.5rem;
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.mode-card p {
    color: var(--ink-soft);
    flex-grow: 1;
    line-height: 1.5;
    margin: 0 0 1.1rem;
}

.length-choice-legend {
    display: block;
    color: var(--ink-soft);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin: 0 0 0.5rem;
}

.length-choice {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0 0 1.25rem;
}

.length-choice label {
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.4rem 0.8rem;
    cursor: pointer;
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
    font-weight: 700;
    font-size: 0.9rem;
    background: var(--paper);
    transition: all 0.15s ease;
}

.length-choice label:hover {
    border-color: var(--pink);
}

.length-choice label:has(input:checked) {
    border-color: transparent;
    color: #fff;
    background: linear-gradient(135deg, var(--pink), var(--purple));
    box-shadow: var(--shadow-pink);
}

.length-choice input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

/* Buttons (shared) */

.mode-card button,
.race-form button,
.btn {
    align-self: flex-start;
    padding: 0.65rem 1.5rem;
    border: none;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--pink), var(--purple));
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-pink);
    transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.mode-card button:hover,
.race-form button:hover,
.btn.btn-primary:hover,
.btn:not(.btn-ghost):hover {
    transform: translateY(-2px);
    filter: brightness(1.06);
}

.mode-card button:active,
.race-form button:active,
.btn:active {
    transform: translateY(0);
}

.actions {
    text-align: center;
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn-ghost {
    background: none;
    box-shadow: none;
    color: var(--ink-soft);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    border-color: var(--pink);
    color: var(--pink);
    transform: none;
    filter: none;
}

/* Hangman */

.hangman-drawing {
    display: flex;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.hangman-drawing .gallows {
    stroke: var(--tile-border);
    stroke-width: 4;
    stroke-linecap: round;
}

.hangman-drawing .figure {
    fill: none;
    stroke: var(--pink);
    stroke-width: 4;
    stroke-linecap: round;
}

.word-display {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 1.5rem 0 2rem;
}

.letter-box {
    width: 2.6rem;
    height: 2.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.4rem;
    text-transform: uppercase;
}

.word-display .letter-box {
    border-bottom: 4px solid var(--pink);
    color: var(--ink);
}

.keyboard {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.4rem;
    max-width: 560px;
    margin: 0 auto 2rem;
    padding: 0;
    border: none;
}

.keyboard .key {
    width: 2.5rem;
    height: 2.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--card);
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    color: var(--ink);
    box-shadow: var(--shadow-sm);
    transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}

.keyboard .key:hover:not(:disabled) {
    border-color: var(--pink);
    transform: translateY(-2px);
}

.keyboard .key-correct {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    border-color: transparent;
    color: #fff;
    box-shadow: none;
}

.keyboard .key-incorrect {
    background: linear-gradient(135deg, var(--danger), var(--danger-dark));
    border-color: transparent;
    color: #fff;
    box-shadow: none;
}

.keyboard .key:disabled {
    cursor: default;
    transform: none;
}

#timer {
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    color: var(--pink);
}

/* Race */

.race-form {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    margin: 0 0 1.5rem;
}

.race-form input[type="text"] {
    padding: 0.65rem 1rem;
    font-size: 1.1rem;
    font-family: inherit;
    border: 1px solid var(--border);
    border-radius: 999px;
    width: 14rem;
    background: var(--card);
    color: var(--ink);
    box-shadow: var(--shadow-sm);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.race-form input[type="text"]:focus {
    outline: none;
    border-color: var(--pink);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--pink) 20%, transparent);
}

.race-message {
    text-align: center;
    color: #fff;
    background: linear-gradient(135deg, var(--danger), var(--danger-dark));
    display: block;
    padding: 0.45rem 1rem;
    border-radius: 999px;
    font-weight: 700;
    margin: -0.5rem auto 1.25rem;
    width: fit-content;
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 1.5rem;
    z-index: 50;
    animation: toast-fade 2s ease forwards;
}

@keyframes toast-fade {
    0% { opacity: 0; transform: translate(-50%, 10px); }
    10% { opacity: 1; transform: translate(-50%, 0); }
    85% { opacity: 1; transform: translate(-50%, 0); }
    100% { opacity: 0; transform: translate(-50%, 0); }
}

.is-loading {
    opacity: 0.6;
    pointer-events: none;
}

.race-results {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
}

.race-results li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border);
    border-left: 4px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0.6rem 1rem;
    background: var(--card);
    box-shadow: var(--shadow-sm);
}

.race-results .result-word {
    font-weight: 700;
    text-transform: capitalize;
}

.race-results li.result-correct { border-left-color: var(--accent); }
.race-results li.result-correct small { color: var(--accent-dark); font-weight: 700; }

.race-results li.result-wrong { border-left-color: var(--danger); }
.race-results li.result-wrong small { color: var(--danger-dark); font-weight: 700; }

.race-results li.result-timeout { border-left-color: var(--warn); }
.race-results li.result-timeout small { color: var(--warn-dark); font-weight: 700; }

.correct-words {
    max-width: 420px;
    margin: 0 auto;
    text-align: center;
}

.correct-words h2 {
    font-size: 0.95rem;
    color: var(--ink-soft);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.6rem;
}

.correct-words ol {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.correct-words li {
    background: color-mix(in srgb, var(--accent) 14%, transparent);
    color: var(--accent-dark);
    border-radius: 999px;
    padding: 0.35rem 0.85rem;
    font-weight: 700;
    text-transform: capitalize;
}

/* Wordle */

.wordle-board {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    margin: 0 0 1.5rem;
}

.wordle-row {
    display: flex;
    gap: 0.4rem;
}

.wordle-row .letter-box {
    border: 2px solid var(--tile-border);
    border-radius: var(--radius-sm);
    width: 2.7rem;
    height: 2.7rem;
    background: var(--card);
}

.letter-box.wordle-correct {
    background-color: var(--accent);
    border-color: transparent !important;
    color: #fff;
}

.letter-box.wordle-present {
    background-color: var(--warn);
    border-color: transparent !important;
    color: #fff;
}

.letter-box.wordle-absent {
    background-color: var(--tile-border);
    border-color: transparent !important;
    color: var(--ink);
    opacity: 0.55;
}

.wordle-empty {
    opacity: 0.6;
    border-style: dashed;
}

/* Word search */

main.wordsearch-main {
    max-width: none;
    width: auto;
}

.wordsearch-layout {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    justify-content: center;
    flex-wrap: wrap;
}

.wordsearch-grid {
    display: grid;
    gap: 2px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    touch-action: none;
}

.wordsearch-grid.size-10 { width: min(22rem, 94vw); }
.wordsearch-grid.size-15 { width: min(25.5rem, 94vw); }
.wordsearch-grid.size-20 { width: min(28rem, 94vw); }

.ws-cell {
    border: none;
    background: var(--card);
    color: var(--ink);
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    padding: 0;
    transition: background 0.12s ease;
}

.ws-cell.ws-normal:hover {
    background: color-mix(in srgb, var(--pink) 12%, var(--card));
}

.wordsearch-grid.size-10 .ws-cell { font-size: clamp(0.75rem, 4vw, 1.1rem); }
.wordsearch-grid.size-15 .ws-cell { font-size: clamp(0.65rem, 3vw, 0.95rem); }
.wordsearch-grid.size-20 .ws-cell { font-size: clamp(0.55rem, 2.2vw, 0.8rem); }

.ws-cell.ws-selected {
    background: linear-gradient(135deg, var(--warn), var(--warn-dark));
    color: #fff;
}

.ws-cell.ws-found {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
}

.ws-cell.ws-preview {
    background: color-mix(in srgb, var(--warn) 35%, var(--card));
}

.wordsearch-words {
    min-width: 180px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.1rem 1.3rem;
    box-shadow: var(--shadow-sm);
}

.wordsearch-words h2 {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ink-soft);
    margin-top: 0;
    font-weight: 700;
}

.wordsearch-words ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.wordsearch-words li {
    text-transform: capitalize;
    font-weight: 600;
    position: relative;
    padding-left: 1rem;
}

.wordsearch-words li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--pink);
}

.wordsearch-words li.found {
    text-decoration: line-through;
    color: var(--ink-soft);
    opacity: 0.7;
}

.wordsearch-words li.found::before {
    background: var(--accent);
}

/* Crossword */

.crossword-grid {
    display: grid;
    gap: 2px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.crossword-grid.size-10 { width: min(22rem, 94vw); }
.crossword-grid.size-15 { width: min(25.5rem, 94vw); }
.crossword-grid.size-20 { width: min(28rem, 94vw); }

.cw-cell {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    background: var(--card);
}

.cw-cell input {
    width: 100%;
    height: 100%;
    border: none;
    background: transparent;
    color: var(--ink);
    text-align: center;
    text-transform: uppercase;
    font-weight: 700;
    font-family: inherit;
    font-size: inherit;
    padding: 0;
}

.cw-cell input:focus {
    outline: none;
    background: color-mix(in srgb, var(--pink) 14%, var(--card));
}

.cw-cell.cw-blocked {
    background: var(--ink);
    opacity: 0.85;
}

.cw-number {
    position: absolute;
    top: 1px;
    left: 2px;
    font-size: 0.55em;
    font-weight: 700;
    line-height: 1;
    color: var(--ink-soft);
    pointer-events: none;
}

.crossword-grid.size-10 .cw-cell { font-size: clamp(0.75rem, 4vw, 1.1rem); }
.crossword-grid.size-15 .cw-cell { font-size: clamp(0.65rem, 3vw, 0.95rem); }
.crossword-grid.size-20 .cw-cell { font-size: clamp(0.55rem, 2.2vw, 0.8rem); }

/* Sudoku */

.sudoku-grid {
    display: grid;
    gap: 1px;
    background: var(--border);
    border: 2px solid var(--ink);
    border-radius: var(--radius-md);
    overflow: hidden;
    width: fit-content;
    box-shadow: var(--shadow-sm);
}

.sd-cell {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card);
}

.sd-cell.sd-box-right {
    border-right: 2px solid var(--ink);
}

.sd-cell.sd-box-bottom {
    border-bottom: 2px solid var(--ink);
}

.sd-given {
    font-weight: 800;
    color: var(--ink);
}

.sd-cell input {
    width: 100%;
    height: 100%;
    border: none;
    background: transparent;
    color: var(--pink-dark);
    text-align: center;
    font-weight: 700;
    font-family: inherit;
    font-size: inherit;
    padding: 0;
}

.sd-cell input:focus {
    outline: none;
    background: color-mix(in srgb, var(--pink) 14%, var(--card));
}

.sd-cell input.sd-wrong {
    color: var(--danger);
}

.sudoku-grid .sd-cell { width: 2.6rem; height: 2.6rem; font-size: 1.2rem; }

/* Zip */

.zip-grid {
    display: grid;
    gap: 2px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    width: min(24rem, 94vw);
    box-shadow: var(--shadow-sm);
    touch-action: none;
}

.zip-cell {
    position: relative;
    aspect-ratio: 1;
    background: var(--card);
    cursor: pointer;
    user-select: none;
}

.zip-conn {
    position: absolute;
    background: transparent;
    pointer-events: none;
    z-index: 1;
}

.zip-conn-up { top: 0; left: 35%; width: 30%; height: 55%; }
.zip-conn-down { bottom: 0; left: 35%; width: 30%; height: 55%; }
.zip-conn-left { left: 0; top: 35%; height: 30%; width: 55%; }
.zip-conn-right { right: 0; top: 35%; height: 30%; width: 55%; }

.zip-conn.active {
    background: var(--pink);
}

.zip-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40%;
    height: 40%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: transparent;
    pointer-events: none;
    z-index: 2;
}

.zip-cell.zip-path .zip-dot {
    background: var(--pink);
}

.zip-checkpoint {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    width: 65%;
    height: 65%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: clamp(0.75rem, 3vw, 1.05rem);
    color: var(--ink);
    background: var(--card);
    border: 2px solid var(--ink);
    border-radius: 50%;
    pointer-events: none;
}

.zip-cell.zip-path .zip-checkpoint {
    background: var(--pink);
    color: #fff;
    border-color: var(--pink-dark);
}

/* Kakuro */

.kakuro-grid {
    display: grid;
    gap: 1px;
    background: var(--border);
    border: 2px solid var(--ink);
    border-radius: var(--radius-md);
    overflow: hidden;
    width: min(14rem, 94vw);
    box-shadow: var(--shadow-sm);
}

.kk-cell {
    position: relative;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card);
}

.kk-cell.kk-blocked {
    background: var(--ink);
}

.kk-clue {
    position: absolute;
    font-size: 0.62em;
    font-weight: 700;
    line-height: 1;
    color: #fff;
    pointer-events: none;
}

.kk-clue-down {
    top: 2px;
    right: 3px;
}

.kk-clue-across {
    bottom: 2px;
    left: 3px;
}

.kk-cell.kk-blocked.kk-clue-cell::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top right, transparent calc(50% - 0.5px), var(--card) calc(50% - 0.5px), var(--card) calc(50% + 0.5px), transparent calc(50% + 0.5px));
}

.kk-cell.kk-active input {
    width: 100%;
    height: 100%;
    border: none;
    background: transparent;
    color: var(--pink-dark);
    text-align: center;
    font-weight: 700;
    font-family: inherit;
    font-size: 1.1rem;
    padding: 0;
}

.kk-cell.kk-active input:focus {
    outline: none;
    background: color-mix(in srgb, var(--pink) 14%, var(--card));
}

.kk-cell.kk-active input.kk-wrong {
    color: var(--danger);
}

.crossword-clues {
    min-width: 260px;
    max-width: 340px;
}

.crossword-clues ul + h2 {
    margin-top: 1.25rem;
}

.crossword-clues li {
    text-transform: none;
    line-height: 1.45;
}

.wordsearch-words li.cw-solved {
    text-decoration: line-through;
    color: var(--ink-soft);
    opacity: 0.7;
}

.wordsearch-words li.cw-solved::before {
    background: var(--accent);
}

.wordsearch-words li.cw-wrong {
    color: var(--danger-dark);
}

.wordsearch-words li.cw-wrong::before {
    background: var(--danger);
}

.wordsearch-words li.cw-wrong small {
    display: block;
    font-weight: 500;
    text-transform: none;
    color: var(--danger);
}

/* Score form (Hall of Fame entry) */

.score-form {
    text-align: center;
    max-width: 420px;
    margin: 0 auto 1.75rem;
    padding: 1.25rem 1.5rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.score-form p {
    margin: 0 0 0.9rem;
    font-weight: 700;
}

.score-form input[type="text"] {
    padding: 0.65rem 1rem;
    font-size: 1.05rem;
    font-family: inherit;
    border: 1px solid var(--border);
    border-radius: 999px;
    width: 12rem;
    background: var(--paper);
    color: var(--ink);
    margin-right: 0.6rem;
}

.score-form input[type="text"]:focus {
    outline: none;
    border-color: var(--pink);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--pink) 20%, transparent);
}

/* Hall of Fame */

.hall-of-fame {
    max-width: 420px;
    margin: 0 auto 1.75rem;
    margin-top: 20px;
    padding: 1.25rem 1.5rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.hall-of-fame h2 {
    margin: 0 0 0.9rem;
    font-size: 1.05rem;
    text-align: center;
}

.hall-of-fame ol {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.hall-of-fame li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
}

.hall-of-fame li:nth-child(odd) {
    background: var(--paper);
}

.hof-rank {
    width: 1.75rem;
    text-align: center;
    font-weight: 800;
    color: var(--ink-soft);
}

.hall-of-fame li.hof-rank-1 .hof-rank {
    color: #d4af37;
}

.hall-of-fame li.hof-rank-2 .hof-rank {
    color: #a8a8a8;
}

.hall-of-fame li.hof-rank-3 .hof-rank {
    color: #cd7f32;
}

.hof-name {
    flex: 1;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.hof-time {
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    color: var(--ink-soft);
}

.hof-empty {
    text-align: center;
    color: var(--ink-soft);
    margin: 0;
}

.hof-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    max-width: 420px;
    margin: 0 auto 1.25rem;
}

.hof-tab {
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.4rem 0.9rem;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--ink-soft);
    text-decoration: none;
    background: var(--paper);
    transition: all 0.15s ease;
}

.hof-tab:hover {
    border-color: var(--pink);
    color: var(--pink-dark);
}

.hof-tab--active {
    border-color: transparent;
    color: #fff;
    background: linear-gradient(135deg, var(--pink), var(--purple));
    box-shadow: var(--shadow-pink);
}

.mode-hof-link {
    position: absolute;
    top: 1rem;
    right: 1.1rem;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--ink-soft);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: color 0.15s ease;
}

.mode-hof-link:hover {
    color: var(--pink-dark);
}

/* Memorama */

.mm-grid {
    display: grid;
    gap: 8px;
    width: min(28rem, 94vw);
}

.mm-card {
    position: relative;
    aspect-ratio: 3 / 4;
    border: none;
    background: none;
    padding: 0;
    cursor: pointer;
    perspective: 600px;
}

.mm-card:disabled {
    cursor: default;
}

.mm-card-face {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    backface-visibility: hidden;
    transition: transform 0.35s ease;
    box-shadow: var(--shadow-sm);
}

.mm-card-face--back {
    background: linear-gradient(135deg, var(--purple), var(--pink));
    transform: rotateY(0deg);
}

.mm-card-face--front {
    background: var(--card);
    font-size: clamp(1.2rem, 5vw, 2rem);
    transform: rotateY(-180deg);
}

.mm-card--flipped .mm-card-face--back,
.mm-card--matched .mm-card-face--back {
    transform: rotateY(180deg);
}

.mm-card--flipped .mm-card-face--front,
.mm-card--matched .mm-card-face--front {
    transform: rotateY(0deg);
}

.mm-card--matched .mm-card-face--front {
    background: color-mix(in srgb, var(--accent) 16%, var(--card));
}

/* Sliding Puzzle */

.sl-grid {
    display: grid;
    gap: 4px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    width: min(24rem, 94vw);
    box-shadow: var(--shadow-sm);
}

.sl-tile {
    position: relative;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    font-weight: 800;
    font-size: clamp(1rem, 4vw, 1.6rem);
    cursor: pointer;
    transition: transform 0.15s ease, background 0.15s ease;
}

.sl-tile:hover:not(:disabled):not(.sl-tile--blank) {
    transform: scale(0.96);
}

.sl-tile--blank {
    background: var(--card);
    cursor: default;
}

.sl-tile:disabled {
    cursor: default;
}

/* Responsive */

@media (max-width: 640px) {
    h1 {
        font-size: 2.1rem;
    }

    .mode-card button,
    .race-form button,
    .btn {
        width: 100%;
    }

    .race-form {
        flex-direction: column;
        align-items: center;
    }

    .race-form input[type="text"] {
        width: 100%;
        max-width: 20rem;
    }
}