:root {
    color-scheme: dark;
    --bg-dark: #111214;
    --surface: #191a1d;
    --surface-raised: #222428;
    --primary: #9bbcff;
    --text: #ededee;
    --muted: #979aa3;
    --border: #303238;
    --error: #f29191;
    --radius: 12px;
    --font: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
    --form-max: 800px;
    --ease: cubic-bezier(.22, 1, .36, 1);
}
* { box-sizing: border-box; }
html { scrollbar-gutter: stable; }
body { margin: 0; background: var(--bg-dark); color: var(--text); font: 14px/1.5 var(--font); -webkit-font-smoothing: antialiased; }
button, input, textarea, select { font: inherit; }
button, a, input, textarea, select, .custom-checkbox { -webkit-tap-highlight-color: transparent; }
button, input[type="submit"], a, .custom-checkbox { transition: background-color .18s, border-color .18s, color .18s, box-shadow .18s; }
button { cursor: pointer; }
a { color: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, .custom-checkbox:has(input:focus-visible) { outline: 2px solid var(--primary); outline-offset: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
::selection { background: #3a507a; color: #fff; }
.site-footer { display: flex; justify-content: center; padding: 16px 20px 28px; }
.api-link { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); text-decoration: none; padding: 8px 10px; border-radius: 7px; font-size: 12px; }
.api-link:hover { background: var(--surface); color: var(--text); }
.hero { text-align: center; padding: 36px 20px 32px; }
.ascii-logo { display: inline-block; padding: 0; border: 0; border-radius: 4px; background: transparent; color: #aeb5c3; }
.ascii-logo:hover { color: var(--primary); }
.ascii-logo pre { margin: 0; text-align: left; font: clamp(9px, 2.6vw, 18px)/1.14 var(--mono); white-space: pre; }
.ascii-line { display: block; animation: logo-reveal .35s ease-out both; animation-delay: calc(var(--line) * 25ms); }
main.container { width: calc(100% - 40px); max-width: var(--form-max); margin: 0 auto; padding: 24px; background: var(--surface); border: 1px solid var(--border); border-radius: 18px; }
.field-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.field-meta { font: 10px var(--mono); letter-spacing: 1.5px; color: var(--muted); }
.row, .button-row { display: flex; align-items: center; gap: 12px; }
.toolbar { --settings-width: 106px; --toolbar-gap: 12px; --settings-space: calc(var(--settings-width) + var(--toolbar-gap)); position: relative; justify-content: space-between; gap: var(--toolbar-gap); transition: gap .28s var(--ease); }
.toolbar.toolbar--without-settings { --settings-space: 0px; gap: 0; }
.toolbar-actions { flex-shrink: 0; width: var(--settings-width); overflow: hidden; opacity: 1; visibility: visible; transition: width .28s var(--ease), opacity .18s ease, visibility 0s; }
.toolbar-actions .chevron-toggle { width: var(--settings-width); justify-content: center; white-space: nowrap; }
.toolbar-actions .chevron-toggle:focus-visible { outline-offset: -3px; }
.toolbar--without-settings .toolbar-actions { width: 0; opacity: 0; visibility: hidden; transition: width .28s var(--ease), opacity .18s ease, visibility 0s .28s; }
.core-toggle { --core-count: 3; --core-index: 0; display: grid; grid-template-columns: repeat(var(--core-count), 1fr); flex: 1; height: 46px; padding: 4px; border: 1px solid #292b30; border-radius: 10px; background: var(--bg-dark); }
.core-toggle .labels { display: contents; }
.core-toggle .labels button { z-index: 1; background: transparent; border: 0; border-radius: 6px; color: var(--muted); font-size: 13px; font-weight: 550; padding: 0 8px; }
.core-toggle .labels button:hover { color: var(--text); }
.core-toggle .labels button[aria-checked="true"] { color: var(--text); }
/* Anchor the indicator to the stable toolbar, so its target geometry does not
   change every frame while the core selector expands or contracts. */
.core-toggle .knob { position: absolute; top: 5px; bottom: 5px; width: calc((100% - var(--settings-space) - 10px) / var(--core-count)); left: calc(5px + (100% - var(--settings-space) - 10px) * var(--core-index) / var(--core-count)); border: 1px solid #3a3c42; background: #292b30; border-radius: 6px; box-shadow: 0 2px 4px #0002; transition: left .28s var(--ease), width .28s var(--ease); }
.chevron-toggle { height: 46px; display: flex; align-items: center; gap: 9px; padding: 0 14px; border: 1px solid var(--border); border-radius: 10px; background: transparent; color: #babdc5; font-size: 13px; }
.chevron-toggle:hover, .chevron-toggle[aria-expanded="true"] { background: var(--surface-raised); color: var(--text); border-color: #454851; }
.chevron-toggle svg, .probe-picker__chevron { transition: transform .18s ease-out; }
.chevron-toggle[aria-expanded="true"] svg, .probe-picker__button[aria-expanded="true"] svg { transform: rotate(180deg); }
.settings-panel { display: grid; grid-template-rows: 1fr; opacity: 1; transition: grid-template-rows .18s ease-out, opacity .15s; }
.settings-panel--collapsed { grid-template-rows: 0fr; opacity: 0; pointer-events: none; }
.settings-panel__inner { min-width: 0; min-height: 0; overflow: hidden; }
.settings-panel__chips { position: relative; display: flex; flex-wrap: nowrap; align-items: center; gap: 6px; padding: 20px 4px 5px; margin: 0 -4px -5px; overflow-x: auto; scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
.settings-panel__chips > .custom-checkbox, .settings-panel__chips > .probe-picker { flex: 0 0 auto; white-space: nowrap; }
.custom-checkbox { position: relative; display: inline-flex; align-items: center; gap: 7px; min-height: 36px; padding: 7px 10px; border: 1px solid var(--border); border-radius: 7px; color: #b9bcc5; background: transparent; cursor: pointer; user-select: none; font-size: 12px; }
.custom-checkbox:hover { background: #26282d; border-color: #51555e; }
.custom-checkbox input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.checkmark { width: 13px; height: 13px; border: 1px solid #5b5e68; border-radius: 3px; display: grid; place-items: center; flex-shrink: 0; }
.custom-checkbox:has(input:checked), .custom-checkbox.is-active { color: #cadbff; background: #222c40; border-color: #384c70; }
input:checked + .checkmark { background: var(--primary); border-color: var(--primary); }
input:checked + .checkmark::after { content: ''; width: 6px; height: 3px; border-left: 1.5px solid #172137; border-bottom: 1.5px solid #172137; transform: translateY(-1px) rotate(-45deg); }
.settings-panel__field { margin-top: 18px; display: flex; flex-direction: column; gap: 8px; }
.settings-panel__field label { font-size: 12px; }
.optional { margin-left: 6px; font-weight: 400; color: var(--muted); }
.source-field { margin-top: 26px; }
.field-heading { margin-bottom: 10px; }
.field-heading label { font-size: 13px; font-weight: 550; }
.input, select { width: 100%; background: #131416; color: var(--text); border: 1px solid #35373e; border-radius: 10px; padding: 14px 16px; transition: border-color .2s, box-shadow .2s; }
.input:hover, select:hover { border-color: #555963; }
.input:focus, select:focus { border-color: #8ba9e2; box-shadow: 0 0 0 3px #9bbcff10; outline: none; }
textarea { display: block; font: 12px/1.8 var(--mono); resize: vertical; scrollbar-width: thin; scrollbar-color: #474b55 transparent; }
textarea::placeholder, input::placeholder { color: #7f838e; opacity: 1; }
#links { height: 208px; min-height: 140px; }
#tunName { font: 12px/1.5 var(--mono); }
#out { height: 340px; min-height: 160px; }
.field-hint { margin: 10px 0 0; color: var(--muted); font-size: 12px; }
#errorBlock:has(#errorText:empty) { display: none; }
#errorText { color: var(--error); font-size: 12px; line-height: 1.6; overflow-wrap: anywhere; padding-top: 12px; }
.input.input-error { border-color: var(--error); box-shadow: 0 0 0 3px #f2919110; }
.input-loading { border-color: var(--primary); }
.button-row { justify-content: flex-end; }
.generate-row { justify-content: space-between; margin-top: 20px; }
.shortcut-hint { display: inline-flex; align-items: center; gap: 4px; color: var(--muted); font-size: 11px; line-height: 1; }
kbd { display: inline-block; padding: 2px 5px; border: 1px solid #3b3e46; border-bottom-width: 2px; border-radius: 4px; font: 10px var(--font); }
input[type="submit"], .btn-primary { min-height: 44px; padding: 0 22px; border: 1px solid transparent; border-radius: 8px; background: #c1d4fb; color: #182238; font-weight: 600; font-size: 13px; cursor: pointer; }
input[type="submit"]:hover:not(:disabled), .btn-primary:hover:not(:disabled) { background: #d5e3ff; }
input[type="submit"]:disabled, .btn-primary:disabled { background: #2a2d34; border-color: #373a42; color: #9196a1; cursor: not-allowed; }
#outBlock { border-top: 1px solid var(--border); padding-top: 24px; margin-top: 24px; }
.mt-8 { margin-top: 12px; }
.circle-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px; padding: 0 13px; border: 1px solid #41444d; border-radius: 8px; background: transparent; color: #c7cbd4; font-size: 12px; }
.circle-btn svg { width: 15px; height: 15px; }
.circle-btn:hover { background: #292c32; color: white; border-color: #626773; }
.probe-picker { position: relative; }
.probe-picker__button { display: flex; gap: 8px; }
.probe-menu { position: fixed; z-index: 1000; width: min(236px, calc(100vw - 20px)); max-height: min(260px, calc(100dvh - 20px)); overflow-y: auto; overscroll-behavior: contain; padding: 5px; border: 1px solid #43464f; border-radius: 10px; background: #202226; box-shadow: 0 12px 32px #0006; }
.probe-menu--compact { width: max-content; max-width: calc(100vw - 20px); }
.probe-menu--compact .probe-menu__item { white-space: nowrap; }
.probe-menu__item { width: 100%; display: grid; grid-template-columns: 20px 1fr 16px; align-items: center; gap: 10px; min-height: 40px; padding: 8px 10px; background: transparent; border: 1px solid transparent; border-radius: 6px; color: var(--text); text-align: left; }
.probe-menu--text-only .probe-menu__item { grid-template-columns: 1fr 16px; }
.probe-menu__item:hover { background: #30333a; }
.probe-menu__item.is-selected { background: #29354b; }
.probe-menu__item:focus-visible { outline-offset: -2px; }
.probe-menu__badge, .probe-menu__badge svg { width: 18px; height: 18px; display: block; }
.probe-menu__title { font-size: 12px; }
.probe-menu__check { opacity: 0; color: var(--primary); }
.probe-menu__item.is-selected .probe-menu__check { opacity: 1; }
.hidden, .is-hidden { display: none !important; }
.file-input-hidden { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
@keyframes logo-reveal { from { opacity: 0; } to { opacity: 1; } }
@media (max-width: 600px) {
    .hero { padding: 28px 16px 24px; }
    main.container { width: calc(100% - 24px); padding: 20px 16px; border-radius: 14px; }
    .toolbar { --settings-width: 90px; --toolbar-gap: 8px; }
    .chevron-toggle { padding: 0 10px; gap: 5px; font-size: 12px; }
    .core-toggle .labels button { font-size: 12px; padding: 0 4px; }
    .custom-checkbox { min-height: 40px; }
    .source-field { margin-top: 22px; }
    .input, #tunName, textarea { font-size: 16px; }
    textarea { line-height: 1.6; }
    #links { height: 224px; }
    #out { height: 300px; }
    .field-hint { font-size: 11px; }
    .shortcut-hint { display: none; }
    .generate-row input { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

#amneziaPanel { margin-top: 26px; }
.amnezia-fields { display: grid; grid-template-columns: minmax(180px, 1fr) minmax(140px, 180px) max-content; align-items: end; gap: 12px; }
.amnezia-domain, .amnezia-version { min-width: 0; }
.amnezia-fields .input, #amneziaVersion { height: 50px; }
.amnezia-actions { margin: 0; }
#amneziaVersion { width: 100%; min-height: 46px; justify-content: space-between; padding: 0 14px; font-size: 13px; background: var(--bg-dark); border-color: #35373e; }
#amneziaVersion:hover:not(:disabled), #amneziaVersion[aria-expanded="true"] { background: var(--surface-raised); border-color: #454851; color: var(--text); }
#amneziaVersion:disabled { opacity: .5; cursor: not-allowed; }
#amneziaVersion > * { pointer-events: none; }
#amneziaVersionMenu { position: absolute; top: calc(100% + 8px); left: 0; width: 100%; }
#amneziaVersionMenu .probe-menu__item { grid-template-columns: 1fr 16px; min-height: 44px; }
#amneziaVersionMenu .probe-menu__title { font-size: 13px; }
#amneziaVersionMenu .probe-menu__item.is-selected { background: #292b30; }
#amneziaVersionMenu .probe-menu__check { color: var(--muted); }
#amneziaGenerate { min-width: 144px; height: 50px; background: var(--surface-raised); border-color: #41444d; color: var(--text); font-weight: 500; white-space: nowrap; }
#amneziaGenerate:hover:not(:disabled) { background: #292b30; border-color: #555963; }
#amneziaGenerate:disabled { color: var(--muted); opacity: .5; }
#amneziaStatus:empty { display: none; }
#amneziaStatus.is-error { color: var(--error); }
#amneziaOutput { border-top: 1px solid var(--border); padding-top: 24px; margin-top: 24px; }
#amneziaConfig { height: 340px; min-height: 160px; }
#amneziaOutput > .button-row { flex-wrap: wrap; }
.qr-dialog-open { overflow: hidden; }
.qr-dialog { width: min(460px, calc(100% - 32px)); max-height: calc(100dvh - 32px); padding: 28px; overflow-y: auto; border: 1px solid #3a3c42; border-radius: 18px; background: var(--surface); color: var(--text); box-shadow: 0 24px 100px #0008; }
.qr-dialog[open] { animation: qr-dialog-enter .24s var(--ease) both; }
.qr-dialog::backdrop { background: #08090bbd; backdrop-filter: blur(8px); }
.qr-dialog__heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 26px; }
.qr-dialog h2 { margin: 6px 0 0; font-size: 21px; font-weight: 550; letter-spacing: -.4px; }
.qr-dialog__close { display: grid; place-items: center; flex-shrink: 0; width: 36px; height: 36px; padding: 0; border: 1px solid var(--border); border-radius: 8px; background: transparent; color: var(--muted); }
.qr-dialog__close:hover { background: var(--surface-raised); color: var(--text); }
.qr-dialog__stage { display: grid; place-items: center; padding: 18px; border: 1px solid #35373e; border-radius: 14px; background: var(--bg-dark); box-shadow: inset 0 1px 0 #ffffff04; }
.qr-dialog__code { width: 100%; aspect-ratio: 1; overflow: hidden; border-radius: 6px; background: #b8bdc5; }
#amneziaQrCanvas { display: block; width: 100%; height: auto; aspect-ratio: 1; margin: auto; image-rendering: pixelated; }
.qr-dialog__navigation { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 20px; }
.qr-dialog__navigation .btn-primary { min-height: 36px; padding: 8px 12px; }
.qr-dialog__state { display: flex; align-items: center; justify-content: center; gap: 8px; margin: 22px 0 0; color: #b9bcc5; font: 11px var(--mono); }
.qr-dialog__state::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: #99b6a3; }
.is-generating .qr-dialog__state::before { background: var(--muted); animation: qr-status-pulse .5s ease-in-out infinite alternate; }
.qr-dialog > .field-hint { max-width: 300px; margin: 12px auto 0; text-align: center; line-height: 1.7; }
@keyframes qr-dialog-enter { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: none; } }
@keyframes qr-status-pulse { to { opacity: .3; } }
@media (max-width: 600px) { .qr-dialog { padding: 20px; } .qr-dialog__stage { padding: 12px; } }
@media (max-width: 600px) {
    .toolbar { flex-wrap: nowrap; }
    .toolbar .core-toggle { min-width: 0; }
    .core-toggle .labels button { min-width: 0; padding: 0 2px; }
    .amnezia-fields { grid-template-columns: 1fr; gap: 20px; }
    #amneziaGenerate { width: 100%; }
    #amneziaConfig { height: 300px; }
}

@media (max-width: 400px) {
    .toolbar { --settings-width: 44px; }
    .chevron-toggle { width: 44px; justify-content: center; padding: 0; }
    .chevron-toggle span { display: none; }
}

.settings-filter { flex: 1 1 128px; min-width: 112px; max-width: 160px; }
.settings-filter .input { height: 36px; padding: 7px 10px; border-radius: 7px; font-size: 12px; }
@media (max-width: 600px) {
    .settings-filter { flex: 0 0 150px; }
    .settings-filter .input { height: 40px; font-size: 16px; }
}