:root{color-scheme:light dark;--bg: #ffffff;--bg-chrome: #f3f5f2;--bg-pill: #f2f4f3;--bg-shell: #e8ece6;--ink: #12141a;--ink-muted: #5c6370;--line: #e4e8e4;--accent: #0f766e;--accent-contrast: #ffffff;--brain-ready: #0f52ba;--channel-veda: #0b6e4f;--channel-svet: #475569;--channel-local: #9a3412;--channel-reset: #6b7280;--channel-vesmir: #4338ca;--channel-objav: #0f766e;--radius-media: 12px;--pad: 14px;--font-ui: system-ui, -apple-system, "SF Pro Text", "Segoe UI", sans-serif;--font-display: "Newsreader", Georgia, "Times New Roman", serif}[data-theme=dark]{--bg: #0e1110;--bg-chrome: #0e1110;--bg-pill: #1a1f1e;--bg-shell: #070908;--ink: #f2f4f3;--ink-muted: #9aa3a0;--line: #2a3230;--accent: #2dd4bf;--accent-contrast: #042f2e;--brain-ready: #5b8def;--channel-veda: #34d399;--channel-svet: #94a3b8;--channel-local: #fb923c;--channel-reset: #a1a1aa;--channel-vesmir: #a5b4fc;--channel-objav: #2dd4bf}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg-shell);font-family:var(--font-ui);color:var(--ink);-webkit-font-smoothing:antialiased}body{min-height:100dvh}.shell{display:grid;grid-template-columns:220px minmax(0,680px) 220px;gap:0;max-width:1120px;margin:0 auto;min-height:100dvh;background:var(--bg);border-inline:1px solid var(--line)}.rail,.rail-right{padding:16px 14px;background:var(--bg-chrome);border-right:1px solid var(--line)}.rail-right{border-right:0;border-left:1px solid var(--line)}.rail-brand{font-family:var(--font-display);font-weight:700;font-size:20px;margin-bottom:16px}.rail-nav{display:flex;flex-direction:column;gap:2px}.rail-item{text-align:left;border:0;background:transparent;color:var(--ink-muted);font:inherit;font-size:14px;font-weight:600;padding:10px 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8px}.rail-note{font-size:12px;color:var(--ink-muted);line-height:1.4;margin:0 0 16px}.rail-stats{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px;font-size:13px}.rail-stats li{display:flex;justify-content:space-between;gap:8px;color:var(--ink-muted)}.rail-stats strong{color:var(--ink);font-variant-numeric:tabular-nums}.rail-dim{display:none}.app{width:100%;min-height:100dvh;max-height:100dvh;background:var(--bg);color:var(--ink);overflow:hidden;position:relative;display:flex;flex-direction:column}.rail-toggle{display:none}.chrome{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-shrink:0;padding:12px var(--pad);background:var(--bg-chrome);border-bottom:1px solid 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p{margin:0;flex:1;font-size:12px;line-height:1.35;color:var(--ink-muted)}.cookie-ok{border:0;background:var(--accent);color:var(--accent-contrast);font:inherit;font-weight:700;font-size:13px;min-height:36px;padding:0 14px;border-radius:999px;cursor:pointer}.install-hint{position:absolute;left:12px;right:12px;top:64px;z-index:4;align-items:center;gap:10px;padding:10px 12px;background:color-mix(in srgb,var(--accent) 12%,var(--bg));border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line));border-radius:12px}.install-hint:not([hidden]){display:flex}.install-hint p{margin:0;flex:1;font-size:12px;font-weight:600;color:var(--ink)}.install-hint button{border:0;background:transparent;color:var(--accent);font:inherit;font-weight:700;font-size:12px;cursor:pointer;min-height:36px}.pack-progress{margin:8px var(--pad) 0;font-size:11px;font-weight:600;color:var(--ink-muted)}.chrome-right{display:flex;align-items:center;gap:2px;min-width:0}.brain-btn{position:relative;width:44px;height:40px;border:0;border-radius:999px;background:transparent;color:#8b939e;display:grid;place-items:center;cursor:pointer;padding:0}.brain-btn.is-idle{color:#8b939e}.brain-btn.is-ready{color:var(--brain-ready);animation:brainPulse 1.35s ease-in-out infinite}.brain-btn.is-spent{color:var(--ink-muted);opacity:.65;animation:none}.brain-count{position:absolute;right:2px;top:2px;min-width:14px;height:14px;padding:0 3px;border-radius:999px;background:var(--bg-pill);color:var(--ink-muted);font-size:9px;font-weight:700;line-height:14px;text-align:center}.brain-btn.is-ready .brain-count{background:var(--brain-ready);color:#fff}@keyframes brainPulse{0%,to{transform:scale(1);filter:drop-shadow(0 0 0 transparent)}50%{transform:scale(1.1);filter:drop-shadow(0 0 6px color-mix(in srgb,var(--brain-ready) 55%,transparent))}}.menu-panel{position:absolute;top:52px;right:10px;z-index:8;min-width:200px;background:var(--bg);border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px #00000024;padding:6px;flex-direction:column}.menu-panel:not([hidden]){display:flex}.locale-panel{right:52px}.menu-item.is-active{color:var(--accent)}.menu-item{display:block;border:0;background:transparent;text-align:left;text-decoration:none;color:var(--ink);font:inherit;font-size:14px;font-weight:600;padding:12px;border-radius:8px;cursor:pointer}.menu-item:hover{background:var(--bg-pill)}.ghost,.icon-btn{border:0;background:transparent;color:var(--ink-muted);font:inherit;cursor:pointer;padding:8px 6px;min-height:40px}.ghost{font-size:12px;font-weight:500;white-space:nowrap}.icon-btn{width:40px;font-size:16px;color:var(--ink)}.feed{flex:1;overflow-y:auto;overflow-x:hidden;padding:0 0 32px;-webkit-overflow-scrolling:touch}.card{background:var(--bg);padding:12px var(--pad) 10px;border-bottom:1px solid 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var(--line);background:var(--bg-pill);color:var(--ink);font:inherit;font-size:14px;font-weight:600;cursor:pointer}.quiz-choice:disabled{cursor:default}.quiz-choice.is-correct{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 14%,var(--bg));color:var(--accent)}.quiz-choice.is-wrong{border-color:#b91c1c;color:#b91c1c}.quiz-feedback{display:flex;flex-direction:column;gap:8px;margin-top:4px}.quiz-feedback .ok{margin:0;font-weight:700;color:var(--accent)}.quiz-feedback .bad{margin:0;font-weight:700;color:#b91c1c}.quiz-feedback .hint{margin:0;font-size:13px;line-height:1.4;color:var(--ink-muted)}.quiz-primary,.quiz-link,.quiz-retake{min-height:44px;border-radius:999px;font:inherit;font-size:14px;font-weight:700;cursor:pointer;border:1px solid var(--line);background:var(--bg-pill);color:var(--ink)}.quiz-primary{background:var(--accent);color:var(--accent-contrast);border-color:transparent}.quiz-link{color:var(--accent);background:transparent;border:0;min-height:36px;text-align:left;padding:0}.quiz-retake{background:transparent}@keyframes sheetUp{0%{transform:translateY(16%);opacity:.7}to{transform:translateY(0);opacity:1}}@media(max-width:980px){.shell{grid-template-columns:1fr;border-inline:0}.rail-right{display:none}.rail{position:fixed;inset:0 auto 0 0;width:min(280px,86vw);z-index:20;transform:translate(-105%);transition:transform .22s ease;border-right:1px solid var(--line);box-shadow:8px 0 24px #0000001f}.shell.rail-open .rail{transform:translate(0)}.rail-dim{display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:15;background:#12141a66}.rail-dim[hidden]{display:none!important}.rail-toggle{display:grid}.app{max-height:none;min-height:100dvh;height:100dvh}}@media(max-width:520px){.ghost{max-width:110px;overflow:hidden;text-overflow:ellipsis}}