:root {
    /* Background colours */
    --bg-primary: #121213;
    --bg-panel: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    --bg-panel-hover: linear-gradient(135deg, #3d5a73 0%, #4a6b82 100%);

    /* Tile status colours */
    --color-correct: #538d4e;
    --color-present: #b59f3b;
    --color-absent: #3a3a3c;
    --color-partial-correct: rgba(83, 141, 78, 0.45);
    --color-partial-present: rgba(181, 159, 59, 0.45);
    --color-success: #4caf50;

    /* Text and border colours */
    --text-primary: #ffffff;
    --text-body: #cccccc;
    --text-label: #888888;
    --text-hint: #666666;
    --text-faint: rgba(136, 136, 136, 0.7);
    --text-key-label: #999999;
    --border-default: #4a4a4c;
    --border-filled: #565758;

    /* Sizes */
    --container-padding: 60px;
    --tile-gap: 3px;
    --tile-size: min(55px, calc((100vw - 2 * var(--container-padding) - 10 * var(--tile-gap)) / 11));
    --tile-font-size: calc(var(--tile-size) * 0.68);     /* 68% of tile size */
    --key-height: 58px;                                  /* also used as reference variable - needed for proportional sizes, positions below */
    --keyboard-ipa-size: calc(var(--key-height) * 0.5); /* size of IPA symbols, 50% of key height */
    --keyboard-qwertz-size: calc(var(--key-height) * 0.16); /* size of qwertz letters, 16% of key height */
    --keyboard-qwertz-left: calc(var(--key-height) * 0.09); /* positioning of qwertz letters, 9% of key height */
    --control-key-font-size: calc(var(--key-height) * 0.19); /* 19% of key height */
}

/* ========================
   Basic layout and reset
   ======================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scrollbar-width: none;
    -ms-overflow-style: none;
    background: var(--bg-primary);
}

html::-webkit-scrollbar {
    display: none;
}

body {
    font-family: 'Georgia', serif;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    padding: 35px 10px 10px;
    gap: 10px;
}

h1 {
    font-size: clamp(24px, 5vw, 36px);
    letter-spacing: 2px;
}

h2 {
    font-size: clamp(12px, 2.5vw, 16px);
    letter-spacing: 1px;
    font-weight: normal;
    color: var(--text-body);
}

/* ================================
   Header with buttons and title
   ================================ */
.header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    width: 100%;
    padding: 0 15px;
}

.title-container {
    text-align: center;
    flex: 1;
}

.settings-container {
    position: relative;
}

/* Shared styles for corner buttons */
#refresh,
#settings-button {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-panel);
    border: 2px solid var(--border-default);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    flex-shrink: 0;
}

#settings-button:hover,
#refresh:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
    background: var(--bg-panel-hover);
}

#settings-button.active {
    background: var(--bg-panel-hover);
}

.settings-dropdown {
    position: absolute;
    top: 52px;
    right: 0;
    background: var(--bg-panel);
    border: 2px solid var(--border-default);
    border-radius: 12px;
    padding: 8px;
    min-width: 220px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    opacity: 0;
    transform: translateY(-10px) scale(0.95);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 100;
}

.settings-dropdown.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.settings-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s ease;
    color: var(--text-primary);
    font-size: 14px;
}

.settings-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.settings-item .icon {
    width: 24px;
    text-align: center;
    font-size: 18px;
}

.settings-item .label {
    flex: 1;
    white-space: nowrap;
}

/* Toggle switch styles */
.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--color-absent);
    border-radius: 12px;
    transition: background 0.2s ease;
    flex-shrink: 0;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: var(--text-primary);
    border-radius: 50%;
    transition: transform 0.2s ease;
}

.settings-item.active .toggle-switch {
    background: var(--color-success);
}

.settings-item.active .toggle-switch::after {
    transform: translateX(20px);
}

/* High contrast mode: alternative colour variables */
body.high-contrast-mode {
    --color-correct: #0077bb;
    --color-present: #ee7733;
    --color-partial-correct: rgba(0, 119, 187, 0.45);
    --color-partial-present: rgba(238, 119, 51, 0.45);
}

body.high-contrast-mode .settings-item.active .toggle-switch {
    background: var(--color-correct);
}

.settings-divider,
.settings-divider-strong {
    height: 1px;
    margin: 6px 0;
}

.settings-divider { background: rgba(255, 255, 255, 0.1); }
.settings-divider-strong { background: rgba(255, 255, 255, 0.6); }

/* Settings indicators (Variety, Keyboard layout, Background) */
.variety-indicator,
.keyboard-indicator,
.background-indicator {
    background: rgba(255, 255, 255, 0.15);
    padding: 4px 10px;
    border-radius: 4px;
    font-weight: bold;
    font-size: 13px;
}

/* Tip item disabled state */
.settings-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* =====================
   Shared modal styles
   ===================== */
.modal, .word-info-box {
    max-height: 90vh;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    background: var(--bg-panel);
    border: 3px solid var(--border-default);
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55), transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    pointer-events: none;
    z-index: 1001;
}

.modal::-webkit-scrollbar,
.word-info-box::-webkit-scrollbar {
    display: none;
}

.modal.visible,
.word-info-box.visible {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    pointer-events: auto;
}

.modal {
    width: 90%;
    max-width: 500px;
}

.justified {
    text-align: justify;
    hyphens: auto;
}

.info-modal table {
    width: 50%;             /* default: 3-column tables */
    border-collapse: collapse;
    margin-bottom: 16px;
    table-layout: fixed;
}

.info-modal .split-table {
    width: 100%;            /* 6-column tables take full width */
}

.info-modal td {
    padding: 4px 8px;
    color: var(--text-body);
    font-size: 13px;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    white-space: nowrap;
}

.info-modal .smallcaps {
    font-variant: small-caps;
    font-family: 'Georgia', serif;
}

.info-modal td em {
    font-family: 'Georgia', serif;
}

.info-modal .split-table td:nth-child(4) {
    padding-left: 12px;
    position: relative;
}

.info-modal .split-table td:nth-child(4)::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 0;
    bottom: 0;
    border-left: 1px dotted var(--text-hint);
}

.modal h3 {
    font-size: 24px;
    margin-bottom: 24px;
    text-align: center;
}

.help-modal p:not(.close-hint),
.info-modal p:not(.close-hint) {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-body);
    margin-bottom: 16px;
}

.info-modal .references {
    font-size: 11px;
    line-height: 1.5;
    margin-bottom: 8px;
    padding-left: 2em;
    text-indent: -2em;
    text-align: justify;
}

/* Variety-specific conten: RP/GA toggle */
body.variety-rp .ga-only,
body.variety-ga .rp-only {
    display: none;
}

.help-modal ol,
.help-modal ul {
    margin: 0 0 16px 0;
    padding-left: 1.5em;
    list-style-position: outside;
}

.help-modal li {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-body);
    margin-bottom: 6px;
}

.help-modal li:last-child {
    margin-bottom: 0;
}

.help-modal .example {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 12px;
    margin: 20px 0;
}

.help-modal .example-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.help-modal .example-row:last-child {
    margin-bottom: 0;
}

.help-modal .example-text {
    color: var(--text-body);
    font-size: 13px;
}

.help-modal .demo-tile {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    font-weight: bold;
    font-size: 20px;
    background-color: var(--bg-primary);
    border: 2px solid var(--color-absent);
    color: var(--text-primary);
}

.help-modal .demo-tile.correct {
    background: var(--color-correct);
    border-color: var(--color-correct);
}

.help-modal .demo-tile.present {
    background: var(--color-present);
    border-color: var(--color-present);
}

.help-modal .demo-tile.absent {
    background: var(--color-absent);
    border-color: var(--color-absent);
}

.help-modal .demo-tile.partial-correct {
    background-color: var(--bg-primary);
    background-image: linear-gradient(var(--color-partial-correct), var(--color-partial-correct));
    border-color: var(--color-partial-correct);
}

.help-modal .demo-tile.partial-present {
    background-color: var(--bg-primary);
    background-image: linear-gradient(var(--color-partial-present), var(--color-partial-present));
    border-color: var(--color-partial-present);
}

/* Typing and result animation rows */
.help-modal .example-typing,
.help-modal .example-result {
    display: flex;
    gap: 3px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 12px;
    margin: 10px 0;
}

.help-modal .typing-tile {
    color: transparent;
}

.help-modal.visible .typing-tile {
    animation: demo-tile-type 0.15s ease forwards;
}

.help-modal.visible .example-typing .typing-tile:nth-child(1) { animation-delay: 0.5s; }
.help-modal.visible .example-typing .typing-tile:nth-child(2) { animation-delay: 0.9s; }
.help-modal.visible .example-typing .typing-tile:nth-child(3) { animation-delay: 1.3s; }
.help-modal.visible .example-typing .typing-tile:nth-child(4) { animation-delay: 1.7s; }
.help-modal.visible .example-typing .typing-tile:nth-child(5) { animation-delay: 2.1s; }

@keyframes demo-tile-type {
    0% { color: var(--text-primary); transform: scale(0.9); border-color: var(--border-filled); }
    50% { transform: scale(1.08); }
    100% { color: var(--text-primary); transform: scale(1); border-color: var(--border-filled); }
}

/* Result animation row */
.help-modal .result-tile {
    color: transparent;
}

.help-modal.visible .example-result .result-tile:nth-child(1) { animation: demo-reveal-partial-present 0.3s ease 2.7s forwards, demo-show-text 0.01s step-start 2.1s forwards; }
.help-modal.visible .example-result .result-tile:nth-child(2) { animation: demo-reveal-correct 0.3s ease 3.1s forwards, demo-show-text 0.01s step-start 2.1s forwards; }
.help-modal.visible .example-result .result-tile:nth-child(3) { animation: demo-reveal-absent 0.3s ease 3.5s forwards, demo-show-text 0.01s step-start 2.1s forwards; }
.help-modal.visible .example-result .result-tile:nth-child(4) { animation: demo-reveal-absent 0.3s ease 3.9s forwards, demo-show-text 0.01s step-start 2.1s forwards; }
.help-modal.visible .example-result .result-tile:nth-child(5) { animation: demo-reveal-absent 0.3s ease 4.3s forwards, demo-show-text 0.01s step-start 2.1s forwards; }

@keyframes demo-show-text {
    to { color: var(--text-primary); }
}

@keyframes demo-reveal-correct {
    from { background-color: var(--bg-primary); border-color: var(--color-absent); }
    to { background-color: var(--color-correct); border-color: var(--color-correct); }
}

@keyframes demo-reveal-absent {
    from { background-color: var(--bg-primary); }
    to { background-color: var(--color-absent); }
}

@keyframes demo-reveal-partial-present {
    from { background-color: var(--bg-primary); background-image: none; border-color: var(--color-absent); }
    to { background-color: var(--bg-primary); background-image: linear-gradient(var(--color-partial-present), var(--color-partial-present)); border-color: var(--color-partial-present); }
}

/* =====================
   Statistic modal
   ===================== */
.stats-summary {
    display: flex;
    justify-content: space-around;
    margin-bottom: 28px;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 32px;
    font-weight: bold;
    color: var(--text-primary);
}

.stat-label {
    font-size: 12px;
    color: var(--text-label);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.streak-summary {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.streak-summary .stat-item {
    width: 60px;
}

.streak-flame {
    width: 28px;
    height: 28px;
    color: var(--text-hint);
    position: relative;
}

.streak-flame.active {
    color: var(--color-present);
    animation: sparkle 1.5s ease-in-out infinite;
}

.distribution-title,
.info-title {
    font-size: 14px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-label);
    margin-bottom: 16px;
    text-align: center;
}

.distribution-row {
    display: flex;
    align-items: center;
    margin-bottom: 6px;
    gap: 8px;
}

.distribution-label {
    width: 16px;
    text-align: center;
    font-size: 14px;
    color: var(--text-primary);
}

.distribution-bar-container {
    flex: 1;
    height: 24px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.distribution-bar {
    height: 100%;
    background: var(--color-correct);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 8px;
    min-width: 24px;
    transition: width 0.5s ease;
}

.distribution-bar span {
    font-size: 12px;
    font-weight: bold;
    color: var(--text-primary);
}

/* ==============================================
   Game board (6 rows with dynamic column count)
   ============================================== */
.game-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    flex: 0 1 auto;
    padding: 0 var(--container-padding);
    max-width: 100%;
}

#game-board {
    display: grid;
    gap: var(--tile-gap);
    padding: 10px 0;
}

.row {
    display: grid;
    gap: var(--tile-gap);
    justify-items: center;
    /* Column count is set dynamically via JavaScript */
}

.tile {
    width: var(--tile-size);
    max-width: 100%;
    aspect-ratio: 1;
    min-width: 0;
    min-height: 0;
    border: 2px solid var(--color-absent);
    border-radius: 4px;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--tile-font-size);
    font-weight: bold;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.tile.filled {
    border-color: var(--border-filled);
    animation: pop 0.1s ease;
}

.tile.correct, .key.correct {
    background: var(--color-correct);
    border-color: var(--color-correct);
}

.tile.present, .key.present {
    background: var(--color-present);
    border-color: var(--color-present);
}

.tile.absent, .key.absent {
    background: var(--color-absent);
    border-color: var(--color-absent);
}

.tile.partial-correct, .key.partial-correct {
    background: var(--color-partial-correct);
    border-color: var(--color-partial-correct);
}

.tile.partial-present, .key.partial-present {
    background: var(--color-partial-present);
    border-color: var(--color-partial-present);
}

@keyframes pop {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* ================
   IPA keyboard
   ================ */
#keyboard {
    width: 100%;
    max-width: 900px;
    flex: 0 1 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.keyboard-row {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 5px;
}

.key {
    position: relative;
    min-width: 50px;
    height: var(--key-height);
    background: var(--bg-panel);
    border: 1px solid var(--border-default);
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
    transition: filter 0.1s ease, transform 0.1s ease, box-shadow 0.1s ease, background 0.1s ease, border-color 0.1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* High contrast mode: lighter keyboard for better contrast (only uncoloured keys) */
body.high-contrast-mode .key:not(.correct):not(.present):not(.absent):not(.partial-correct):not(.partial-present) {
    background: linear-gradient(135deg, #5a6a7a 0%, #6b7b8b 100%);
    border: 1px solid #7a8a9a;
}

.key:hover {
    filter: brightness(1.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.key .qwertz {
    position: absolute;
    top: 3px;
    left: var(--keyboard-qwertz-left);
    font-size: var(--keyboard-qwertz-size);
    color: var(--text-key-label);
    font-weight: normal;
}

.key .ipa {
    font-size: var(--keyboard-ipa-size);
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    font-weight: bold;
}

/* Control keys */
.key.control-key {
    min-width: 70px;
    font-size: var(--control-key-font-size);
}

/* ===========================================================
   Temporary messages at top (e.g., "Not enough characters")
   =========================================================== */
#message {
    position: fixed;
    top: 80px;
    background: var(--bg-panel);
    color: var(--text-primary);
    padding: 16px 20px;
    border-radius: 8px;
    border: 2px solid var(--border-default);
    font-weight: bold;
    display: none;
    animation: slideDown 0.3s ease;
    z-index: 999;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

@keyframes slideDown {
    from {
        transform: translateY(-100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ========================
   Background image modes
   ======================== */
body.bg-lagoon::before,
body.bg-mountain::before,
body.bg-forest::before {
    content: '';
    position: fixed;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.25;
    filter: blur(1px);
    transform: scale(1.05);
    z-index: -1;
}

body.bg-lagoon::before {
    background-image: url('../img/Reis, Erik_.jpg');
}

body.bg-mountain::before {
    background-image: url('../img/Förstner, Oliver_.jpg');
}

body.bg-forest::before {
    background-image: url('../img/Andrushko, G_.jpg');
}

/* ===========================================================
   Post-game overlay: backdrop, result and word info display
   =========================================================== */
.backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: 1000;
}

.backdrop.visible {
    opacity: 1;
    pointer-events: auto;
}

.word-info-box {
    min-width: 320px;
    max-width: 400px;
}

.win-message {
    font-size: 28px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #f0f55f, #d1ca06);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: sparkle 1.5s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.3); }
}

.info-title {
    border-bottom: 1px solid var(--border-default);
    padding-bottom: 8px;
}

.info-ipa {
    font-size: 32px;
    font-weight: bold;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 24px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    word-break: keep-all;  /* prevent breaking within transcriptions */
}

.info-ortho-label {
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-hint);
    margin-bottom: 8px;
    text-align: center;
}

.info-ortho {
    font-size: 24px;
    font-weight: bold;
    color: var(--color-success);
    text-align: center;
    padding: 14px;
    background: rgba(76, 175, 80, 0.15);
    border-radius: 8px;
    border: 1px solid rgba(76, 175, 80, 0.4);
    text-transform: lowercase;
    font-style: italic;
}

.close-hint,
.hint-text-small {
    font-size: 11px;
    color: var(--text-faint);
    text-align: center;
}

.close-hint {
    margin-top: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.page-footer {
    margin-top: auto;
    padding: 16px 0 10px;
    text-align: center;
}

.hint-text {
    font-size: 13px;
    color: var(--text-hint);
    text-align: center;
}

.photo-credit {
    display: none;
    font-size: 11px;
    color: var(--text-hint);
    text-align: center;
    font-style: italic;
}

body.bg-lagoon .credit-lagoon,
body.bg-mountain .credit-mountain,
body.bg-forest .credit-forest {
    display: block;
}

.hint-text-small {
    font-style: italic;
    margin-top: 16px;
}

#reset-stats {
    font-size: 11px;
    color: var(--text-faint);
    text-align: center;
    margin-top: 8px;
    cursor: pointer;
    text-decoration: underline;
    border: none;
    background: none;
    padding: 0;
    font-family: inherit;
    display: block;
    width: 100%;
}

/* ==============================================
   Mobile New Game Button (bottom, mobile only)
   ============================================== */
#mobile-new-game-button {
    display: none;  /* hidden by default, shown via JS when game ends on mobile */
    position: relative;
    width: auto;
    padding: 12px 28px;
    margin: 16px auto 8px;
    background: var(--bg-panel);
    color: var(--text-body);
    border: 2px solid var(--border-default);
    border-radius: 8px;
    font-family: inherit;
    font-size: 15px;
    cursor: pointer;
    transition: filter 0.2s ease, transform 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); /* outer shadow like settings */
}

#mobile-new-game-button::after {
    content: '';
    position: absolute;
    inset: 3px;
    border: 1px solid var(--text-body);
    border-radius: 4px;
    pointer-events: none;
}

#mobile-new-game-button:hover {
    filter: brightness(1.2);
}

#mobile-new-game-button:active {
    transform: scale(0.98);
}

@media (max-width: 1024px) {
    :root {
        --container-padding: 40px;
        --key-height: 54px;
    }

    .key {
        min-width: 46px;
    }

    .key.control-key {
        min-width: 60px;
    }
}

@media (max-width: 768px) {
    body {
        padding: 28px 5px 7.5px;
        gap: 8px;
    }

    :root {
        --container-padding: 10px;
        --key-height: 52px;
    }

    .key {
        min-width: 42px;
        padding: 6px;
    }

    .key.control-key {
        min-width: 56px;
    }

    #settings-button,
    #refresh {
        width: 38px;
        height: 38px;
    }

    .word-info-box {
        min-width: 90%;
        max-width: 90%;
        padding: 20px;
    }

    /* show New Game button on mobile when game ends */
    #mobile-new-game-button.visible {
        display: block;
    }
}

@media (max-width: 480px) {
    body {
        padding: 30px 3px 5px;
    }

    :root {
        --container-padding: 5px;
        --tile-gap: 2px;
        --key-height: 48px;
    }

    .key {
        min-width: 7vw;
        max-width: 36px;
        padding: 5px 2px;
    }

    .key.control-key {
        min-width: 10.5vw;
        max-width: 50px;
    }

    .keyboard-row {
        gap: 3px;
        margin-bottom: 4px;
    }

    #settings-button,
    #refresh {
        width: 36px;
        height: 36px;
    }

    .settings-dropdown {
        min-width: 200px;
    }

    .settings-item {
        padding: 10px 12px;
        font-size: 13px;
    }
}

@media (max-width: 380px) {
    :root {
        --container-padding: 3px;
        --key-height: 44px;
    }

    .key {
        max-width: 30px;
        padding: 4px 1px;
    }

    .key.control-key {
        min-width: 10vw;
        max-width: 42px;
    }

    .keyboard-row {
        gap: 2px;
    }

    #settings-button,
    #refresh {
        width: 32px;
        height: 32px;
    }

    .info-modal td {
        font-size: 11px;
    }
}