:root{--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;font-family:var(--font-sans);line-height:1.6;font-weight:400;color-scheme:light dark;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}:root,[data-theme=dark]{--color-bg: #0d1117;--color-surface: #161b22;--color-surface-2: #21262d;--color-border: rgba(240, 246, 252, .1);--color-text: #e6edf3;--color-muted: #8b949e;--color-accent: #64ffda;--color-accent-dim: rgba(100, 255, 218, .12);--color-accent-strong: rgba(100, 255, 218, .2);--color-focus-ring: rgba(100, 255, 218, .25);--color-glow: rgba(100, 255, 218, .07);--color-ts: #a5d6ff;--color-node: #ff7b9c;--color-counter: #d2a8ff;--color-ok: #3fb950;--color-bad: #f85149;--color-bad-dim: rgba(248, 81, 73, .12);--color-warn: #d29922;color:var(--color-text);background-color:var(--color-bg)}[data-theme=light]{--color-bg: #f6f8fa;--color-surface: #ffffff;--color-surface-2: #eaeef2;--color-border: rgba(31, 35, 40, .12);--color-text: #1f2328;--color-muted: #59636e;--color-accent: #0d9488;--color-accent-dim: rgba(13, 148, 136, .1);--color-accent-strong: rgba(13, 148, 136, .18);--color-focus-ring: rgba(13, 148, 136, .25);--color-glow: rgba(13, 148, 136, .08);--color-ts: #0969da;--color-node: #bf3989;--color-counter: #8250df;--color-ok: #1a7f37;--color-bad: #cf222e;--color-bad-dim: rgba(207, 34, 46, .1);--color-warn: #9a6700;color:var(--color-text);background-color:var(--color-bg)}*{margin:0;padding:0;box-sizing:border-box}body{min-width:320px;min-height:100vh;min-height:100dvh;color:var(--color-text);background-color:var(--color-bg);background-image:radial-gradient(circle at 50% -10%,var(--color-glow),transparent 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.15s}.theme-toggle:hover{color:var(--color-accent)}.theme-toggle:focus,.theme-toggle:focus-visible{outline:none}.main{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;padding:18px}.input-section{margin-bottom:1.25rem}.input-section label{display:block;font-family:var(--font-mono);font-size:.85rem;color:var(--color-muted);margin-bottom:.5rem}.input-row{display:flex;gap:.5rem;align-items:center}.input-section input{width:100%;flex:1;min-width:0;padding:.75rem 1rem;font-family:var(--font-mono);font-size:.95rem;color:var(--color-text);background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:8px;box-sizing:border-box}.input-section input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 2px var(--color-focus-ring)}.input-section input::placeholder{color:var(--color-muted)}[data-theme=dark] .input-section input:-webkit-autofill,[data-theme=dark] .input-section 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1.25rem;padding-left:1.1rem;font-size:.85rem}.result .subtitle li{margin-bottom:.25rem}.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:1.1rem}.pill{font-family:var(--font-mono);font-size:.72rem;font-weight:600;padding:3px 10px;border-radius:12px;text-transform:uppercase;letter-spacing:.4px;background:var(--color-surface-2);color:var(--color-muted)}.pill-ok{background:#3fb95026;color:var(--color-ok)}.pill-bad{background:var(--color-bad-dim);color:var(--color-bad)}.bits-info{display:flex;flex-direction:column;gap:.75rem;margin-bottom:1.5rem}.bit-row{display:grid;grid-template-columns:100px 1fr auto;gap:1rem;align-items:center;padding:.6rem .85rem;background:var(--color-bg);border:1px solid 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.15s}.bit-counter-btn:hover{background:var(--color-accent-dim);border-color:var(--color-accent)}.bit-counter-btn:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 2px var(--color-focus-ring)}.bit-counter-value{min-width:4.5em;text-align:left}.bit-counter-btn-sep{display:none}.bit-bits-counter .bit-counter-btns{display:contents}.bit-bits-counter .bit-counter-btns .bit-counter-btn:first-child{order:-1}.bit-row:not(.bit-row-with-hint) .bit-bits{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:0 1rem}.bit-row:not(.bit-row-with-hint) .bit-bits-counter{display:contents}.bit-row:not(.bit-row-with-hint) .bit-counter-value{grid-column:1}.bit-row:not(.bit-row-with-hint) .bit-counter-btns{display:flex;align-items:center;gap:0 .25rem;grid-column:2;justify-content:flex-end}.bit-row:not(.bit-row-with-hint) .bit-counter-btn-sep{display:inline;color:var(--color-muted)}.bit-row:not(.bit-row-with-hint) .bit-counter-btns .bit-counter-btn{order:unset}.bit-row:not(.bit-row-with-hint) .bit-counter-btn{border:none;background:transparent;color:var(--color-accent);box-shadow:none;width:auto;height:auto;padding:0}.bit-row:not(.bit-row-with-hint) .bit-counter-btn:hover,.bit-row:not(.bit-row-with-hint) .bit-counter-btn:focus{background:transparent;border:none;box-shadow:none}.bits-error{color:var(--color-bad);font-family:var(--font-mono);font-size:.85rem;padding:12px;margin-top:1rem;background:var(--color-bad-dim);border:1px solid var(--color-bad);border-radius:8px}.formula{padding:12px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:8px;font-size:.82rem;overflow-x:auto}.formula code{font-family:var(--font-mono);color:var(--color-muted);white-space:pre-wrap;word-break:break-word}.hint{color:var(--color-muted);font-family:var(--font-mono);font-size:.85rem;text-align:center;padding:1rem}.history{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--color-border)}.history-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1rem}.history-header h2{font-family:var(--font-mono);font-size:.95rem;font-weight:600;margin:0}.history-hint{font-family:var(--font-mono);font-size:.78rem;color:var(--color-muted);margin:-.5rem 0 1rem}.history-delete-all-btn,.history-delete-btn{display:inline-flex;align-items:center;gap:.35rem;padding:.35rem .6rem;font-family:var(--font-mono);font-size:.75rem;color:var(--color-bad);background:transparent;border:1px solid transparent;border-radius:6px;cursor:pointer;transition:background-color .15s,border-color .15s;flex-shrink:0}.history-delete-all-btn:hover,.history-delete-btn:hover{background:var(--color-bad-dim);border-color:var(--color-bad)}.history-delete-all-btn:focus,.history-delete-btn:focus{outline:none;border-color:var(--color-bad);box-shadow:0 0 0 2px var(--color-bad-dim)}.history-list{display:flex;flex-direction:column;gap:.75rem}.history-card{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.75rem 1rem;background:var(--color-bg);border:1px solid var(--color-border);border-radius:8px}.history-card-content{flex:1;min-width:0}.history-card-id{font-family:var(--font-mono);font-weight:500;font-size:.88rem;margin-bottom:.25rem;word-break:break-all}.history-card-meta{display:flex;flex-wrap:wrap;gap:0 .5rem;font-family:var(--font-mono);font-size:.76rem;color:var(--color-muted)}.history-card-meta span:not(:last-child):after{content:" | ";margin-left:.5rem}.footer{text-align:center;margin-top:36px;padding-top:18px;border-top:1px solid var(--color-border);font-family:var(--font-mono);font-size:.78rem;color:var(--color-muted)}@media(max-width:480px){.app{padding:24px 16px}.theme-toggle{transition:none;-webkit-tap-highlight-color:transparent}.theme-toggle:hover,.theme-toggle:active{color:var(--color-muted)}.history-delete-btn-text{display:none}.history-card-meta{flex-direction:column;gap:.125rem}.history-card-meta span:not(:last-child):after{content:none;margin-left:0}.bit-row{grid-template-columns:auto 1fr;grid-template-rows:auto auto;gap:.5rem 0}.bit-row .bit-label{grid-column:1;grid-row:1}.bit-row .bit-value{grid-column:2;grid-row:1;text-align:right;min-width:0;overflow-x:auto;-webkit-overflow-scrolling:touch}.bit-row .bit-bits{grid-column:1 / -1;grid-row:2}}