:root,
:root[data-theme="white"] {
    color-scheme: light;
    --background: #f7f8fc;
    --surface: #ffffff;
    --surface-muted: #f1f3f4;
    --text: #202124;
    --muted: #687079;
    --border: #dfe1e5;
    --primary: #1a73e8;
    --primary-dark: #1558b0;
    --success: #188038;
    --success-dark: #116b2d;
    --danger: #b3261e;
    --shadow: 0 12px 32px rgba(32, 33, 36, 0.12);
    --ambient: rgba(26, 115, 232, 0.09);
    --focus-shadow: rgba(32, 33, 36, 0.25);
    --icon: #70757a;
    --on-primary: #ffffff;
    --on-success: #ffffff;
    --disabled-text: #777777;
    --disabled-background: #e2e2e2;
    --disabled-border: #bbbbbb;
    --success-surface: #e6f4ea;
    --stat-surface: #fafbff;
    --route-line: #d2e3fc;
    --error-border: #f2b8b5;
    --error-surface: #fce8e6;
    --scrim: rgba(32, 33, 36, 0.28);
}

:root[data-theme="grey"] {
    color-scheme: light;
    --background: #aaabae;
    --surface: #e1e2e2;
    --surface-muted: #c5cad1;
    --text: #1f2937;
    --muted: #52606d;
    --border: #c5ccd5;
    --primary: #4b6078;
    --primary-dark: #34465b;
    --success: #24733f;
    --success-dark: #195b32;
    --danger: #a92d26;
    --shadow: 0 12px 32px rgba(30, 41, 59, 0.16);
    --ambient: rgba(71, 85, 105, 0.15);
    --focus-shadow: rgba(51, 65, 85, 0.26);
    --icon: #64748b;
    --on-primary: #ffffff;
    --on-success: #ffffff;
    --disabled-text: #737b86;
    --disabled-background: #d4d8dd;
    --disabled-border: #b4bbc4;
    --success-surface: #dcefe3;
    --stat-surface: #eef1f5;
    --route-line: #bdc9d8;
    --error-border: #dfaaa6;
    --error-surface: #f7dfdd;
    --scrim: rgba(31, 41, 55, 0.3);
}

:root[data-theme="black"] {
    color-scheme: dark;
    --background: #0d1117;
    --surface: #161b22;
    --surface-muted: #21262d;
    --text: #f0f6fc;
    --muted: #a7b1bc;
    --border: #30363d;
    --primary: #58a6ff;
    --primary-dark: #79b8ff;
    --success: #3fb950;
    --success-dark: #65d47c;
    --danger: #ff7b72;
    --shadow: 0 14px 36px rgba(0, 0, 0, 0.48);
    --ambient: rgba(88, 166, 255, 0.12);
    --focus-shadow: rgba(88, 166, 255, 0.3);
    --icon: #9da7b3;
    --on-primary: #07111d;
    --on-success: #06150a;
    --disabled-text: #8b949e;
    --disabled-background: #252b33;
    --disabled-border: #3d444d;
    --success-surface: #173923;
    --stat-surface: #1c2128;
    --route-line: #274d77;
    --error-border: #7f3832;
    --error-surface: #3b1d1b;
    --scrim: rgba(0, 0, 0, 0.58);
}

:root[data-theme="blue"] {
    --background: #e8f1ff;
    --surface: #f8fbff;
    --surface-muted: #dceaff;
    --text: #14233b;
    --muted: #53657e;
    --border: #bfd3ef;
    --primary: #1769d2;
    --primary-dark: #0f4fa6;
    --ambient: rgba(23, 105, 210, 0.16);
    --stat-surface: #edf5ff;
    --route-line: #a9c8f0;
}

:root[data-theme="purple"] {
    --background: #f1eaff;
    --surface: #fcfaff;
    --surface-muted: #e9ddff;
    --text: #2d1747;
    --muted: #6d5a80;
    --border: #d4c0ed;
    --primary: #7c3eb6;
    --primary-dark: #5f278f;
    --ambient: rgba(124, 62, 182, 0.15);
    --stat-surface: #f6f0ff;
    --route-line: #cfb4ee;
}

:root[data-theme="green"] {
    --background: #e7f6ec;
    --surface: #f8fdf9;
    --surface-muted: #d9f0e1;
    --text: #173523;
    --muted: #557060;
    --border: #b8d9c3;
    --primary: #187a3d;
    --primary-dark: #105c2d;
    --ambient: rgba(24, 122, 61, 0.15);
    --stat-surface: #edf9f1;
    --route-line: #abd6b9;
}

:root[data-theme="yellow"] {
    --background: #fff4c7;
    --surface: #fffdf2;
    --surface-muted: #f8e9ad;
    --text: #3c2f0b;
    --muted: #756630;
    --border: #e2cd78;
    --primary: #8a5a00;
    --primary-dark: #684300;
    --ambient: rgba(180, 120, 0, 0.16);
    --stat-surface: #fff8dc;
    --route-line: #ddc668;
}

:root[data-theme="cyan"] {
    --background: #e1f7fa;
    --surface: #f7fdfe;
    --surface-muted: #d2eff3;
    --text: #12373c;
    --muted: #4f7176;
    --border: #acd6dc;
    --primary: #087b88;
    --primary-dark: #055c66;
    --ambient: rgba(8, 123, 136, 0.15);
    --stat-surface: #eaf9fb;
    --route-line: #9fd3da;
}

:root[data-theme="pink"] {
    --background: #ffedf5;
    --surface: #fff9fc;
    --surface-muted: #f9dce9;
    --text: #43182d;
    --muted: #7d5b6b;
    --border: #e8bfd2;
    --primary: #b82e6f;
    --primary-dark: #8d2053;
    --ambient: rgba(184, 46, 111, 0.14);
    --stat-surface: #fff1f7;
    --route-line: #e4b3ca;
}

:root[data-theme="red"] {
    --background: #ffedf0;
    --surface: #fff9fa;
    --surface-muted: #f8dce1;
    --text: #42171d;
    --muted: #7c5960;
    --border: #e8bdc5;
    --primary: #b32636;
    --primary-dark: #8e1b28;
    --ambient: rgba(179, 38, 54, 0.14);
    --stat-surface: #fff1f3;
    --route-line: #e3b0ba;
}

:root:is(
    [data-theme="dark-blue"],
    [data-theme="dark-purple"],
    [data-theme="dark-red"],
    [data-theme="dark-green"],
    [data-theme="dark-yellow"],
    [data-theme="dark-cyan"],
    [data-theme="dark-pink"]
) {
    color-scheme: dark;
    --success: #3fb950;
    --success-dark: #65d47c;
    --danger: #ff7b72;
    --shadow: 0 14px 36px rgba(0, 0, 0, 0.48);
    --on-success: #06150a;
    --success-surface: #173923;
    --error-border: #7f3832;
    --error-surface: #3b1d1b;
}

:root[data-theme="dark-blue"] {
    --background: #071426;
    --surface: #0d2038;
    --surface-muted: #142d4a;
    --text: #f2f7ff;
    --muted: #a9bad0;
    --border: #476d94;
    --primary: #68a9ff;
    --primary-dark: #8bbdff;
    --on-primary: #071426;
    --ambient: rgba(104, 169, 255, 0.16);
    --focus-shadow: rgba(104, 169, 255, 0.36);
    --icon: #a6b9d0;
    --disabled-text: #7e91a8;
    --disabled-background: #182b40;
    --disabled-border: #34475b;
    --stat-surface: #102740;
    --route-line: #3473b5;
    --scrim: rgba(0, 0, 0, 0.64);
}

:root[data-theme="dark-purple"] {
    --background: #160d24;
    --surface: #211432;
    --surface-muted: #2d1d42;
    --text: #faf5ff;
    --muted: #c1aed2;
    --border: #795d98;
    --primary: #c084fc;
    --primary-dark: #d1a5ff;
    --on-primary: #1c0b2d;
    --ambient: rgba(192, 132, 252, 0.16);
    --focus-shadow: rgba(192, 132, 252, 0.36);
    --icon: #bea9d1;
    --disabled-text: #927fa4;
    --disabled-background: #2b2037;
    --disabled-border: #4a3c56;
    --stat-surface: #28183a;
    --route-line: #865bc1;
    --scrim: rgba(0, 0, 0, 0.64);
}

:root[data-theme="dark-red"] {
    --background: #210b0d;
    --surface: #2d1316;
    --surface-muted: #3a1b1e;
    --text: #fff5f5;
    --muted: #d2adb0;
    --border: #945c63;
    --primary: #ff8585;
    --primary-dark: #ffa1a1;
    --on-primary: #260708;
    --ambient: rgba(255, 133, 133, 0.15);
    --focus-shadow: rgba(255, 133, 133, 0.34);
    --icon: #d0a8ac;
    --disabled-text: #9d7b7f;
    --disabled-background: #382326;
    --disabled-border: #594044;
    --stat-surface: #35171a;
    --route-line: #ac515b;
    --scrim: rgba(0, 0, 0, 0.66);
}

:root[data-theme="dark-green"] {
    --background: #071a12;
    --surface: #0d261b;
    --surface-muted: #153325;
    --text: #f1fbf5;
    --muted: #a6c5b2;
    --border: #41775a;
    --primary: #58d68d;
    --primary-dark: #78e3a5;
    --on-primary: #04170c;
    --ambient: rgba(88, 214, 141, 0.15);
    --focus-shadow: rgba(88, 214, 141, 0.34);
    --icon: #a5c4b1;
    --disabled-text: #789a86;
    --disabled-background: #193025;
    --disabled-border: #385344;
    --stat-surface: #102c20;
    --route-line: #2f8d5c;
    --scrim: rgba(0, 0, 0, 0.64);
}

:root[data-theme="dark-yellow"] {
    --background: #1d1505;
    --surface: #2a200b;
    --surface-muted: #382c11;
    --text: #fff9e8;
    --muted: #d0bd8b;
    --border: #806a3b;
    --primary: #f5c451;
    --primary-dark: #ffd978;
    --on-primary: #211500;
    --ambient: rgba(245, 196, 81, 0.15);
    --focus-shadow: rgba(245, 196, 81, 0.34);
    --icon: #cfbc8a;
    --disabled-text: #998b68;
    --disabled-background: #372f1e;
    --disabled-border: #574c31;
    --stat-surface: #30260e;
    --route-line: #9e7d28;
    --scrim: rgba(0, 0, 0, 0.66);
}

:root[data-theme="dark-cyan"] {
    --background: #04191d;
    --surface: #09262b;
    --surface-muted: #10343a;
    --text: #effcfd;
    --muted: #a0c5c9;
    --border: #3f747b;
    --primary: #45d1dd;
    --primary-dark: #6de0e8;
    --on-primary: #02191c;
    --ambient: rgba(69, 209, 221, 0.15);
    --focus-shadow: rgba(69, 209, 221, 0.34);
    --icon: #9fc3c7;
    --disabled-text: #78989b;
    --disabled-background: #193136;
    --disabled-border: #385157;
    --stat-surface: #0c2c31;
    --route-line: #2b8e98;
    --scrim: rgba(0, 0, 0, 0.64);
}

:root[data-theme="dark-pink"] {
    --background: #210b18;
    --surface: #2e1223;
    --surface-muted: #3d1a2e;
    --text: #fff4fa;
    --muted: #d2aabd;
    --border: #985b7a;
    --primary: #f783b6;
    --primary-dark: #ffa5cc;
    --on-primary: #250816;
    --ambient: rgba(247, 131, 182, 0.15);
    --focus-shadow: rgba(247, 131, 182, 0.34);
    --icon: #d1a7bb;
    --disabled-text: #9f798c;
    --disabled-background: #392330;
    --disabled-border: #5a3e4c;
    --stat-surface: #351629;
    --route-line: #ad4a78;
    --scrim: rgba(0, 0, 0, 0.65);
}

* {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at top left, var(--ambient), transparent 32rem),
        var(--background);
    font-family: Arial, sans-serif;
}

button,
input,
select {
    font: inherit;
}

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

button,
a {
    -webkit-tap-highlight-color: transparent;
}

a {
    color: var(--primary);
}

.page-shell {
    width: min(760px, calc(100% - 32px));
    margin: 0 auto;
    padding: 84px 0 72px;
}

.wide-shell {
    width: min(900px, calc(100% - 32px));
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.13em;
    text-transform: none;
}

.page-heading {
    margin: 0;
    font-size: clamp(2rem, 7vw, 3.5rem);
    letter-spacing: -0.045em;
    line-height: 1.05;
}

.page-intro {
    max-width: 620px;
    margin: 16px 0 0;
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.6;
}

.card {
    border: 1px solid var(--border);
    border-radius: 24px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.setup-card {
    margin-top: 34px;
    padding: clamp(22px, 5vw, 38px);
}

.picker-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.picker-field label,
.field-label {
    display: block;
    margin-bottom: 10px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: none;
}

.picker-field small {
    display: block;
    margin-top: 9px;
    color: var(--muted);
    line-height: 1.4;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.autocomplete {
    position: relative;
    width: 100%;
}

.search-box {
    display: flex;
    align-items: center;
    min-height: 50px;
    padding: 0 16px;
    border: 1px solid var(--border);
    border-radius: 26px;
    background: var(--surface);
    transition: box-shadow 120ms ease, border-color 120ms ease;
}

.search-box:focus-within,
.search-box:hover {
    border-color: transparent;
    box-shadow: 0 1px 8px var(--focus-shadow);
}

.search-icon {
    width: 20px;
    height: 20px;
    margin-right: 12px;
    color: var(--icon);
    flex: none;
}

.search-box input {
    width: 100%;
    min-width: 0;
    padding: 12px 0;
    border: 0;
    outline: 0;
    color: var(--text);
    background: transparent;
}

.suggestions {
    position: absolute;
    z-index: 20;
    top: calc(100% + 6px);
    right: 0;
    left: 0;
    max-height: 360px;
    padding: 8px 0;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface);
    box-shadow: 0 8px 24px var(--focus-shadow);
}

.suggestions[hidden] {
    display: none;
}

.suggestion {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: 10px 20px 10px 48px;
    border: 0;
    border-radius: 0;
    color: var(--text);
    background: transparent;
    text-align: left;
    cursor: pointer;
}

.suggestion::before {
    position: absolute;
    top: 16px;
    left: 22px;
    width: 10px;
    height: 10px;
    border: 2px solid var(--icon);
    border-radius: 50%;
    content: "";
}

.suggestion::after {
    position: absolute;
    top: 27px;
    left: 33px;
    width: 6px;
    height: 2px;
    background: var(--icon);
    content: "";
    transform: rotate(45deg);
    transform-origin: left center;
}

.suggestion:hover,
.suggestion.active {
    background: var(--surface-muted);
}

.suggestion-title {
    font-size: 1rem;
}

.suggestion-detail,
.suggestion-artists {
    margin-top: 3px;
    color: var(--muted);
    font-size: 0.82rem;
}

.status {
    min-height: 1.25rem;
    margin: 18px 0;
    color: var(--muted);
    font-size: 0.92rem;
}

.status[data-error="true"] {
    color: var(--danger);
}

.primary-button,
.secondary-button,
.text-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 20px;
    border-radius: 22px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
}

.primary-button {
    border: 1px solid var(--primary);
    color: var(--on-primary);
    background: var(--primary);
}

.primary-button:hover:not(:disabled) {
    background: var(--primary-dark);
}

.primary-button:disabled {
    border-color: var(--disabled-border);
    color: var(--disabled-text);
    background: var(--disabled-background);
    cursor: not-allowed;
}

.secondary-button {
    border: 1px solid var(--border);
    color: var(--text);
    background: var(--surface);
}

.secondary-button:hover {
    background: var(--surface-muted);
}

.setup-actions,
.result-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.setup-actions .primary-button {
    min-width: 170px;
}

.challenge-card {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 18px;
    align-items: center;
    margin: 28px 0;
    padding: 22px;
}

.challenge-endpoint {
    min-width: 0;
}

.challenge-endpoint:last-child {
    text-align: right;
}

.challenge-label {
    display: block;
    margin-bottom: 5px;
    color: var(--muted);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: none;
}

.challenge-name {
    display: block;
    overflow: hidden;
    font-size: clamp(1rem, 4vw, 1.3rem);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.challenge-arrow {
    color: var(--primary);
    font-size: 1.7rem;
}

.game-card {
    padding: clamp(22px, 5vw, 36px);
}

.game-meta {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 24px;
}

.current-artist-label {
    display: block;
    margin-bottom: 5px;
    color: var(--muted);
    font-size: 0.82rem;
}

#artist {
    font-size: clamp(1.6rem, 6vw, 2.3rem);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.game-counters {
    display: flex;
    gap: 14px;
    color: var(--muted);
    font-size: 0.88rem;
    white-space: nowrap;
}

#choices {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

#choices button {
    padding: 9px 14px;
    border: 1px solid var(--border);
    border-radius: 18px;
    color: var(--text);
    background: var(--surface);
    cursor: pointer;
}

#choices button:not(:disabled):hover {
    background: var(--surface-muted);
}

#choices button.target-choice {
    border-color: var(--success);
    color: var(--on-success);
    background: var(--success);
    font-weight: 700;
}

#choices button.target-choice:not(:disabled):hover {
    color: var(--on-success);
    background: var(--success-dark);
}

#choices button:disabled,
#choices button.dead-end {
    color: var(--disabled-text);
    background: var(--disabled-background);
    border-color: var(--disabled-border);
    cursor: not-allowed;
}

.route-preview-heading {
    margin: 28px 0 10px;
    text-align: center;
}

.route-preview-container,
.route-list-container {
    border: 1px dashed var(--border);
    border-radius: 16px;
    background: color-mix(in srgb, var(--surface-muted) 72%, transparent);
}

.route-preview-container {
    max-width: 100%;
    padding: 14px;
    overflow-x: auto;
}

.route-track {
    margin: 0;
    padding: 0;
    list-style: none;
}

.route-preview {
    display: flex;
    width: max-content;
    min-width: 100%;
    align-items: stretch;
    justify-content: center;
}

.route-preview .route-step {
    display: flex;
    flex: none;
    align-items: center;
}

.route-preview .route-step + .route-step::before {
    display: grid;
    width: 44px;
    place-items: center;
    color: var(--icon);
    font-size: 1.4rem;
    content: "\2192\FE0E";
    font-family: Arial, "Helvetica Neue", sans-serif;
    font-variant-emoji: text;
    flex: none;
}

.route-node {
    width: min(210px, 52vw);
    min-width: 150px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
}

.route-step-label {
    display: block;
    margin-bottom: 4px;
    color: var(--primary);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.route-artist,
.route-song {
    display: block;
    overflow-wrap: anywhere;
}

.route-artist {
    color: var(--text);
    font-weight: 800;
    line-height: 1.25;
}

.route-song {
    margin-top: 5px;
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1.3;
}

.route-step.is-current .route-node,
.route-step.is-finish .route-node {
    border-color: var(--primary);
    background: color-mix(in srgb, var(--primary) 10%, var(--surface));
}

.results-card {
    margin-top: 32px;
    padding: clamp(22px, 5vw, 38px);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin: 28px 0 36px;
}

.stat {
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--stat-surface);
}

.stat-value {
    display: block;
    margin-bottom: 5px;
    font-size: 1.45rem;
    font-weight: 700;
}

.stat-label {
    color: var(--muted);
    font-size: 0.78rem;
    text-transform: none;
}

.route-list-container {
    width: min(620px, 100%);
    margin: 18px auto 32px;
    padding: 18px;
}

.route-list {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.route-list .route-step {
    display: flex;
    width: min(100%, 420px);
    flex-direction: column;
    align-items: center;
}

.route-list .route-node {
    width: 100%;
}

.route-list .route-step + .route-step::before {
    display: grid;
    width: 36px;
    height: 48px;
    place-items: center;
    color: var(--icon);
    font-size: 1.4rem;
    content: "\2193\FE0E";
    font-family: Arial, "Helvetica Neue", sans-serif;
    font-variant-emoji: text;
}

.error-panel {
    margin-top: 32px;
    padding: 24px;
    border: 1px solid var(--error-border);
    border-radius: 18px;
    color: var(--danger);
    background: var(--error-surface);
}

.settings-button {
    position: fixed;
    z-index: 102;
    top: 20px;
    right: 20px;
    display: inline-flex;
    gap: 8px;
    align-items: center;
    min-height: 44px;
    padding: 9px 15px;
    border: 1px solid var(--border);
    border-radius: 22px;
    color: var(--text);
    background: var(--surface);
    box-shadow: 0 3px 12px var(--focus-shadow);
    font-weight: 700;
    cursor: pointer;
}

.settings-button:hover,
.settings-button[aria-expanded="true"] {
    border-color: var(--primary);
    color: var(--primary);
}

.settings-button-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    flex: none;
    font-size: 1.4rem;
    line-height: 1;
}

.settings-scrim {
    position: fixed;
    z-index: 100;
    inset: 0;
    border: 0;
    background: var(--scrim);
}

.settings-panel {
    position: fixed;
    z-index: 101;
    top: 72px;
    right: 20px;
    width: min(380px, calc(100% - 32px));
    max-height: calc(100vh - 92px);
    padding: 22px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--text);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.settings-panel-header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    margin-bottom: 22px;
}

.settings-panel-title {
    margin: 0;
    font-size: 1.35rem;
}

.settings-close-button {
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text);
    background: var(--surface-muted);
    cursor: pointer;
    justify-content: center;
    align-items: center;
    display: inline-flex;
}

.settings-close-button:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.settings-section + .settings-section {
    margin-top: 24px;
    padding-top: 22px;
    border-top: 1px solid var(--border);
}

.settings-section-title {
    margin: 0 0 6px;
    font-size: 1rem;
}

.settings-section-description {
    margin: 0 0 16px;
    color: var(--muted);
    font-size: 0.88rem;
    line-height: 1.45;
}

.theme-select-control {
    display: grid;
    gap: 8px;
}

.settings-control-label {
    font-size: 0.9rem;
    font-weight: 600;
}

.theme-select-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.theme-select-wrapper > .theme-swatch {
    position: absolute;
    z-index: 1;
    left: 13px;
    width: 24px;
    height: 24px;
    pointer-events: none;
}

.theme-select {
    width: 100%;
    min-height: 48px;
    padding: 10px 42px 10px 48px;
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    background: var(--surface-muted);
    font: inherit;
    cursor: pointer;
}

.theme-swatch {
    width: 28px;
    height: 28px;
    border: 1px solid rgba(32, 33, 36, 0.22);
    border-radius: 50%;
}

.theme-swatch-white { background: #ffffff; }
.theme-swatch-grey { background: #9aa0a6; }
.theme-swatch-black { background: #161b22; }
.theme-swatch-oled-black { background: #000000; }
.theme-swatch-blue { background: #1a73e8; }
.theme-swatch-dark-blue { background: #0e3a70; }
.theme-swatch-purple { background: #7c3eb6; }
.theme-swatch-dark-purple { background: #3c1b61; }
.theme-swatch-red { background: #c43a49; }
.theme-swatch-dark-red { background: #5b1820; }
.theme-swatch-green { background: #188038; }
.theme-swatch-dark-green { background: #14552c; }
.theme-swatch-yellow { background: #fbbc04; }
.theme-swatch-dark-yellow { background: #6e5412; }
.theme-swatch-cyan { background: #00acc1; }
.theme-swatch-dark-cyan { background: #0a5963; }
.theme-swatch-pink { background: #d94f8a; }
.theme-swatch-dark-pink { background: #641d40; }

.settings-range-header,
.settings-range-bounds {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.settings-range-header {
    margin-bottom: 12px;
}

.settings-subcontrol {
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px dashed var(--border);
}

.settings-range-label {
    font-size: 0.9rem;
    font-weight: 600;
}

.settings-range-value {
    min-width: 42px;
    padding: 5px 10px;
    border-radius: 999px;
    color: var(--on-primary);
    background: var(--primary);
    font-size: 0.88rem;
    font-weight: 700;
    text-align: center;
}

.settings-range {
    width: 100%;
    margin: 0;
    accent-color: var(--primary);
    cursor: pointer;
}

.settings-range-bounds {
    margin-top: 4px;
    color: var(--muted);
    font-size: 0.75rem;
}

.settings-contact {
    min-height: 92px;
    padding: 16px;
    border: 1px dashed var(--border);
    border-radius: 14px;
    background: var(--surface-muted);
}

.settings-contact .settings-section-description {
    margin-bottom: 0;
}

[hidden] {
    display: none !important;
}

@media (max-width: 640px) {
    .page-shell {
        padding-top: 84px;
    }

    .picker-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .challenge-card {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .challenge-endpoint:last-child {
        text-align: left;
    }

    .challenge-arrow {
        transform: rotate(90deg);
        transform-origin: center;
    }

    .game-meta {
        flex-direction: column;
    }

    .settings-button {
        top: 16px;
        right: 16px;
    }

    .settings-panel {
        top: 66px;
        right: 16px;
    }
}