.plusnik-block{display:flex;flex-direction:column;gap:var(--space-3);width:min(920px,100%)}.plusnik-block__tools{display:flex;flex-wrap:wrap;gap:var(--space-2);justify-content:flex-end}.plusnik-block__tool{border:var(--border-width) solid var(--border);background:var(--surface);color:var(--text-dim);border-radius:var(--radius-pill);padding:6px 12px;font-size:var(--fs-sm);cursor:pointer}.plusnik-block__tool:hover{color:var(--text);border-color:var(--border-strong)}.plusnik-block__tool.is-danger:hover{color:var(--text)}.plusnik-block__theme-input{width:100%;border:0;background:transparent;text-align:center;font:inherit;color:inherit;outline:none}.plusnik-block__num-wrap{display:flex;align-items:center;justify-content:center;gap:2px}.plusnik-block__num-input{width:2.5rem;border:0;background:transparent;text-align:center;font:inherit;color:inherit;outline:none}.plusnik-block__col-del{border:0;background:transparent;color:var(--text-muted);cursor:pointer;font-size:var(--fs-sm);line-height:1;padding:0 2px}.plusnik-block__col-del:hover{color:var(--text)}.plusnik-editor{flex:1;min-height:0;display:grid;grid-template-columns:minmax(220px,280px) minmax(0,1fr);gap:0}.plusnik-editor__side{border-right:var(--border-width) solid var(--border);padding:var(--space-5) var(--space-4);overflow:auto;display:flex;flex-direction:column;gap:var(--space-4)}.plusnik-editor__main{padding:var(--space-6);overflow:auto;display:flex;flex-direction:column;gap:var(--space-5)}.plusnik-editor__h{margin:0;font-size:var(--fs-base);font-weight:650}.plusnik-editor__h3{margin:0 0 var(--space-2);font-size:var(--fs-sm);font-weight:600;color:var(--text-dim)}.plusnik-editor__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-1)}.plusnik-editor__stu{width:100%;text-align:left;border:0;background:transparent;border-radius:var(--radius-md);padding:var(--space-2) var(--space-3);cursor:pointer;color:var(--text);display:flex;flex-direction:column;gap:2px}.plusnik-editor__stu:hover{background:var(--primary-soft)}.plusnik-editor__stu.is-on{background:var(--primary-soft);font-weight:650}.plusnik-editor__login{font-size:var(--fs-xs, .75rem);color:var(--text-muted);font-weight:400}.plusnik-editor__label{display:flex;flex-direction:column;gap:4px;font-size:var(--fs-sm);color:var(--text-dim)}.plusnik-editor__pass-row{display:flex;gap:var(--space-2);align-items:stretch}.plusnik-editor__pass-row .plusnik-editor__input{flex:1;min-width:0}.plusnik-editor__issued{display:flex;flex-direction:column;gap:var(--space-2);padding:var(--space-3);border:var(--border-width) solid var(--border-strong);border-radius:var(--radius-md);background:var(--surface)}.plusnik-editor__issued-line{margin:0;display:flex;justify-content:space-between;gap:var(--space-2);font-size:var(--fs-sm);color:var(--text-dim)}.plusnik-editor__issued-line code{font-family:var(--font-mono, ui-monospace, monospace);color:var(--text);font-weight:600;word-break:break-all}.plusnik-editor__issued-note{margin:0;font-size:var(--fs-xs, .75rem);color:var(--text-muted)}.plusnik-editor__issued-actions{display:flex;flex-wrap:wrap;gap:var(--space-2)}.plusnik-editor__create{display:flex;flex-direction:column;gap:var(--space-2);margin-top:auto;padding-top:var(--space-4);border-top:var(--border-width) solid var(--border)}.plusnik-editor__input{border:var(--border-width) solid var(--border);border-radius:var(--radius-md);background:var(--surface);color:var(--text);padding:8px 10px;font-size:var(--fs-sm)}.plusnik-editor__input:focus{outline:none;box-shadow:var(--focus-ring)}.plusnik-editor__err{margin:0;color:var(--text-dim);font-size:var(--fs-sm)}.plusnik-editor__hint{margin:0;color:var(--text-muted);font-size:var(--fs-sm)}.plusnik-editor__bar{display:flex;justify-content:flex-end}.plusnik-editor__stack{display:flex;flex-direction:column;align-items:center;gap:var(--space-8)}.student-plusnik{min-height:100%;display:flex;flex-direction:column}.student-plusnik__top{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-6);border-bottom:var(--border-width) solid var(--border);background:var(--topbar-bg)}.student-plusnik__name{color:var(--text-dim);font-size:var(--fs-sm)}.student-plusnik__spacer{margin-left:auto}.student-plusnik__out{border:0;background:transparent;color:var(--text-muted);font-size:var(--fs-sm);cursor:pointer}.student-plusnik__out:hover{color:var(--text)}.student-plusnik__main{flex:1;display:flex;flex-direction:column;align-items:center;padding:var(--space-8) var(--space-6) var(--space-10);gap:var(--space-6)}.student-plusnik__title{margin:0;font-family:var(--font-display);font-size:var(--fs-xl);font-weight:700;letter-spacing:-.02em;color:var(--text)}.student-plusnik__stack{width:100%;display:flex;flex-direction:column;align-items:center;gap:var(--space-8)}.student-plusnik__empty,.student-plusnik__err{margin:0;color:var(--text-muted);font-size:var(--fs-sm)}.sched-main{width:min(760px,calc(100vw - 64px));height:auto;flex:none;display:flex;flex-direction:column}.sched-board-wrap{flex:none;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;overflow:visible}.sched-board{--sched-rows: 18;--row-min: 26px;--cell-gap-x: 4px;--cell-gap-y: 3px;--head-row: 16px;display:grid;grid-template-columns:48px repeat(7,minmax(0,1fr));grid-template-rows:var(--head-row) repeat(var(--sched-rows),var(--row-min));column-gap:var(--cell-gap-x);row-gap:var(--cell-gap-y);width:100%;-webkit-user-select:none;user-select:none;touch-action:none;background:transparent}.sched-corner{background:transparent}.sched-dayhead{display:flex;align-items:flex-end;justify-content:center;padding:0;line-height:1;background:transparent}.sched-time{display:flex;align-items:center;justify-content:flex-end;padding-right:6px;font-variant-numeric:tabular-nums;background:transparent}.sched-cell{margin:0;padding:0;border:var(--border-width) solid var(--cell-border);border-radius:var(--radius-cell);background:var(--surface);cursor:crosshair;transition:background var(--dur-base) var(--ease),border-color var(--dur-base) var(--ease),box-shadow var(--dur-base) var(--ease)}.sched-cell:hover{background:var(--surface-3);border-color:var(--border-strong)}.sched-cell.is-selected{background:var(--select);border-color:var(--select-line);box-shadow:inset 0 0 0 1px var(--accent-hairline)}.sched-cell:focus-visible{box-shadow:var(--focus-ring)}.sched-board[data-sched-labels=soft] .sched-dayhead{font-family:var(--font-sans);font-size:var(--fs-xs);font-weight:650;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}.sched-board[data-sched-labels=soft] .sched-time{font-family:var(--font-sans);font-size:11px;font-weight:550;letter-spacing:0;color:var(--text-muted)}.sched-board[data-sched-labels=ink] .sched-dayhead{font-family:var(--font-sans);font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--text-dim)}.sched-board[data-sched-labels=ink] .sched-time{font-family:var(--font-sans);font-size:11px;font-weight:500;letter-spacing:.01em;color:var(--text-dim)}.sched-board[data-sched-labels=calendar] .sched-dayhead{font-family:var(--font-sans);font-size:11px;font-weight:500;letter-spacing:.02em;text-transform:none;color:var(--text-dim)}.sched-board[data-sched-labels=calendar] .sched-time{font-family:var(--font-sans);font-size:10px;font-weight:500;letter-spacing:0;color:color-mix(in srgb,var(--text-dim) 78%,var(--text-muted))}.sched-board[data-sched-labels=mono] .sched-dayhead{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text-dim)}.sched-board[data-sched-labels=mono] .sched-time{font-family:var(--font-mono);font-size:10px;font-weight:500;letter-spacing:0;color:var(--text-muted)}.sched-board[data-sched-labels=editorial] .sched-dayhead{font-family:var(--font-display);font-size:13px;font-weight:600;letter-spacing:.01em;text-transform:none;color:var(--text)}.sched-board[data-sched-labels=editorial] .sched-time{font-family:var(--font-mono);font-size:10px;font-weight:450;letter-spacing:.02em;color:var(--text-muted)}.sched-board[data-sched-labels=quiet] .sched-dayhead{font-family:var(--font-sans);font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:color-mix(in srgb,var(--text-muted) 70%,transparent)}.sched-board[data-sched-labels=quiet] .sched-time{font-family:var(--font-sans);font-size:10px;font-weight:450;letter-spacing:.04em;color:color-mix(in srgb,var(--text-muted) 65%,transparent)}.students-menu{position:relative}.students-menu__btn{border:var(--border-width) solid var(--border);background:var(--surface);border-radius:var(--radius-pill);padding:6px 12px;cursor:pointer;color:var(--text-dim);font-size:var(--fs-sm);font-weight:550}.students-menu__btn:hover,.students-menu__btn.is-open{color:var(--text);border-color:var(--border-strong)}.students-menu__list{position:absolute;top:calc(100% + var(--space-2));right:0;z-index:20;margin:0;padding:var(--space-2) var(--space-3);list-style:none;min-width:148px;border:var(--border-width) solid var(--border);border-radius:var(--radius-md);background:var(--gradient-surface);box-shadow:var(--shadow-md);display:flex;flex-direction:column;gap:var(--space-2)}.students-menu__item{display:flex;align-items:center;gap:var(--space-2);font-size:var(--fs-sm);font-weight:550;color:var(--text)}.sched-swatch{width:14px;height:14px;border-radius:4px;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--text) 12%,transparent);flex:0 0 auto}.sched-swatch--roma{background:var(--chip-roma)}.sched-swatch--andrey{background:var(--chip-andrey)}.sched-swatch--savva{background:var(--chip-savva)}.sched-swatch--yaromir{background:var(--chip-yaromir)}.label-style-menu{position:relative;margin-right:var(--space-2)}.label-style-menu__btn{border:var(--border-width) solid var(--border);background:var(--surface);border-radius:var(--radius-pill);padding:6px 12px;cursor:pointer;color:var(--text-dim);font-size:var(--fs-sm);font-weight:550}.label-style-menu__btn:hover,.label-style-menu__btn.is-open{color:var(--text);border-color:var(--border-strong)}.label-style-menu__list{position:absolute;top:calc(100% + var(--space-2));right:0;z-index:20;margin:0;padding:var(--space-2);list-style:none;min-width:200px;border:var(--border-width) solid var(--border);border-radius:var(--radius-md);background:var(--gradient-surface);box-shadow:var(--shadow-md);display:flex;flex-direction:column;gap:2px}.label-style-menu__item{width:100%;display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-3);border:0;background:transparent;border-radius:var(--radius-sm);padding:8px 10px;cursor:pointer;text-align:left;color:var(--text)}.label-style-menu__item:hover{background:var(--surface-3)}.label-style-menu__item.is-on{background:var(--primary-soft)}.label-style-menu__name{font-size:var(--fs-sm);font-weight:600}.label-style-menu__sample{font-size:11px;color:var(--text-muted);font-variant-numeric:tabular-nums}.label-style-menu__item[data-preview=soft] .label-style-menu__sample{letter-spacing:.08em;text-transform:uppercase;font-weight:650}.label-style-menu__item[data-preview=ink] .label-style-menu__sample{letter-spacing:.04em;text-transform:uppercase;font-weight:600;color:var(--text-dim)}.label-style-menu__item[data-preview=calendar] .label-style-menu__sample{font-weight:500;color:var(--text-dim)}.label-style-menu__item[data-preview=mono] .label-style-menu__sample{font-family:var(--font-mono);letter-spacing:.04em;color:var(--text-dim)}.label-style-menu__item[data-preview=editorial] .label-style-menu__sample{font-family:var(--font-display);font-weight:600;color:var(--text)}.label-style-menu__item[data-preview=quiet] .label-style-menu__sample{letter-spacing:.1em;text-transform:uppercase;color:color-mix(in srgb,var(--text-muted) 70%,transparent)}.cabinet{height:100%;display:flex;flex-direction:column;min-height:0}.cabinet-top{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-3) var(--space-6);border-bottom:var(--border-width) solid var(--border);background:var(--topbar-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);flex:0 0 auto;position:sticky;top:0;z-index:5}.cabinet-top__spacer{margin-left:auto}.cabinet-top__who{font-size:var(--fs-sm);color:var(--text-dim)}.cabinet-top__out{border:0;background:transparent;color:var(--text-muted);font-size:var(--fs-sm);cursor:pointer}.cabinet-top__out:hover{color:var(--text)}.cabinet-nav{display:flex;gap:var(--space-1)}.cabinet-nav__btn{border:0;background:transparent;border-radius:var(--radius-pill);cursor:pointer;color:var(--text-dim);font-size:var(--fs-sm);border-bottom:2px solid transparent;border-radius:0;padding:8px 12px}.cabinet-nav__btn:hover{color:var(--text)}.cabinet-nav__btn.is-on{color:var(--text);font-weight:650;box-shadow:inset 0 -2px 0 var(--primary)}.shell--teacher{flex:1;min-height:0;display:grid;grid-template-columns:minmax(160px,220px) minmax(0,1fr) minmax(200px,260px)}.cabinet-schedule{flex:1;min-height:0;display:grid;justify-items:center;align-content:start;padding:var(--space-4) var(--space-6) var(--space-7);overflow:auto;background:var(--bg)}.shell-rail,.shell-main{min-height:0;border-right:var(--border-width) solid var(--border);background:var(--surface-2)}.shell-rail--side{border-right:none}.shell-main{display:grid;place-items:center;padding:var(--space-6);background:var(--bg)}.shell-placeholder{margin:0;color:var(--text-muted);font-size:var(--fs-sm);text-align:center;max-width:28ch}@media(max-width:960px){.shell--teacher{grid-template-columns:1fr}.shell-rail--dirs{display:none}.cabinet-schedule{padding:var(--space-3) var(--space-4) var(--space-5);align-content:start;justify-items:center}}.public-card{min-height:100%;display:grid;place-content:center;padding:var(--space-8) var(--space-6);text-align:center}.public-card__title{margin:0 0 var(--space-2);font-family:var(--font-display);font-size:var(--fs-2xl);font-weight:var(--fw-bold);color:var(--text)}.public-card__line{margin:0;color:var(--text-dim);font-size:var(--fs-base)}.welcome{min-height:100%;display:grid;place-items:center;padding:var(--space-6)}.welcome-card{width:min(400px,100%);padding:var(--space-8) var(--space-7);border:var(--border-width) solid var(--border);border-radius:var(--radius-lg);background:var(--gradient-surface);box-shadow:var(--shadow-md);text-align:center}.welcome-brand{margin:0 0 var(--space-2);font-family:var(--font-display);font-size:var(--fs-xl);font-weight:700;letter-spacing:-.02em;color:var(--text)}.welcome-line{margin:0 0 var(--space-6);color:var(--text-dim);font-size:var(--fs-base)}.welcome-actions{display:flex;flex-direction:column;align-items:center;gap:var(--space-3);margin-top:var(--space-4)}.welcome-form{display:flex;flex-direction:column;gap:var(--space-3);width:100%;text-align:left}.welcome-input{width:100%;border:var(--border-width) solid var(--border);border-radius:var(--radius-md);background:var(--surface);color:var(--text);padding:10px 12px;font-size:var(--fs-base)}.welcome-input:focus{outline:none;box-shadow:var(--focus-ring)}.welcome-error{margin:0;font-size:var(--fs-sm);color:var(--text-dim);text-align:center}.welcome-hint{margin:0;font-size:var(--fs-xs, .75rem);color:var(--text-muted);text-align:center}.welcome-link{border:0;background:transparent;color:var(--text-dim);font-size:var(--fs-sm);cursor:pointer;text-decoration:underline;text-underline-offset:3px}.welcome-link:hover{color:var(--text)}.app-public{min-height:100%;display:flex;flex-direction:column}.app-public__top{padding:var(--space-3) var(--space-6);border-bottom:var(--border-width) solid var(--border);background:var(--topbar-bg)}.app-boot{min-height:100%;display:grid;place-items:center;font-family:var(--font-display);font-size:var(--fs-xl);font-weight:700;letter-spacing:-.02em;color:var(--text-muted)}:root{--space-0: 0;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-7: 32px;--space-8: 40px}:root{--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px;--radius-xl: 22px;--radius-pill: 999px;--radius-cell: 4px}:root{--font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;--font-mono: "Cascadia Code", "Consolas", ui-monospace, monospace;--font-display: "Constantia", "Cambria", "Palatino Linotype", "Book Antiqua", Georgia, serif;--fs-xs: 12px;--fs-sm: 13px;--fs-base: 14px;--fs-md: 16px;--fs-lg: 20px;--fs-xl: 24px;--fs-2xl: 30px;--fs-hero: clamp(20px, 4vw, 30px);--lh-tight: 1.2;--lh-snug: 1.35;--lh-normal: 1.5;--fw-normal: 400;--fw-medium: 500;--fw-semibold: 600;--fw-bold: 700;--fw-heavy: 800;font-family:var(--font-sans)}:root{--dur-fast: .12s;--dur-base: .18s;--dur-slow: .26s;--ease: cubic-bezier(.4, 0, .2, 1);--ease-out: cubic-bezier(.16, 1, .3, 1)}@media(prefers-reduced-motion:reduce){:root{--dur-fast: 0ms;--dur-base: 0ms;--dur-slow: 0ms}}:root{--border-width: 1px}html[data-theme-pack=neutral][data-mode=light],:root{color-scheme:light;--c-canvas-950: #ececef;--c-canvas-900: #f6f6f8;--c-canvas-850: #f0f0f3;--c-canvas-800: #ffffff;--c-canvas-750: #ebebef;--c-canvas-700: #e0e0e6;--c-canvas-600: #cfcfd6;--c-ink-100: #141417;--c-ink-300: #4a4a52;--c-ink-400: #7c7c86;--c-brand-400: #3a3a42;--c-brand-500: #141417;--c-brand-600: #0a0a0c;--c-student-roma: #e8b5a4;--c-student-andrey: #c9bddf;--c-student-savva: #d4b892;--c-student-yaromir: #b5d4b0;--bg: var(--c-canvas-900);--surface: var(--c-canvas-800);--surface-2: var(--c-canvas-850);--surface-3: var(--c-canvas-750);--surface-inset: var(--c-canvas-950);--text: var(--c-ink-100);--text-dim: var(--c-ink-300);--text-muted: var(--c-ink-400);--text-on-accent: #ffffff;--primary: var(--c-brand-500);--primary-strong: var(--c-brand-400);--primary-soft: color-mix(in srgb, var(--c-brand-500) 7%, transparent);--accent: var(--primary);--accent-hover: var(--c-brand-600);--accent-soft: var(--primary-soft);--accent-hairline: color-mix(in srgb, var(--c-brand-500) 12%, transparent);--gradient-surface: linear-gradient(180deg, var(--surface), var(--surface-2));--topbar-bg: color-mix(in srgb, var(--c-canvas-800) 88%, transparent);--chrome: var(--topbar-bg);--border: var(--c-canvas-700);--border-strong: var(--c-canvas-600);--cell-border: var(--c-canvas-600);--select: color-mix(in srgb, var(--c-brand-500) 9%, transparent);--select-line: var(--c-brand-500);--shadow-sm: 0 2px 8px color-mix(in srgb, var(--c-ink-100) 5%, transparent);--shadow-md: 0 10px 28px color-mix(in srgb, var(--c-ink-100) 7%, transparent);--shadow-lg: 0 18px 46px color-mix(in srgb, var(--c-ink-100) 9%, transparent);--focus-ring: 0 0 0 3px color-mix(in srgb, var(--c-brand-500) 18%, transparent);--chip-roma: var(--c-student-roma);--chip-andrey: var(--c-student-andrey);--chip-savva: var(--c-student-savva);--chip-yaromir: var(--c-student-yaromir);--pattern-tab-fg: var(--c-ink-400);--pattern-tab-fg-hover: var(--c-ink-100);--pattern-tab-fg-active: var(--c-ink-100);--pattern-tab-bg: transparent;--pattern-tab-bg-hover: color-mix(in srgb, var(--c-ink-100) 4%, transparent);--pattern-tab-bg-active: var(--c-canvas-800);--pattern-tab-border: transparent;--pattern-tab-border-active: color-mix(in srgb, var(--c-ink-100) 16%, transparent);--pattern-tab-trace: color-mix(in srgb, var(--c-ink-100) 55%, transparent);--pattern-toggle-bg: var(--c-canvas-750);--pattern-toggle-border: var(--c-canvas-700);--pattern-toggle-fg: var(--c-ink-400);--pattern-toggle-on-bg: var(--c-ink-100);--pattern-toggle-on-fg: #ffffff;--pattern-brand-fg: var(--c-ink-100);--pattern-brand-border: color-mix(in srgb, var(--c-ink-100) 28%, var(--c-canvas-700));--pattern-brand-fill-top: color-mix(in srgb, var(--c-ink-100) 6%, transparent);--pattern-brand-fill-bottom: color-mix(in srgb, var(--c-ink-100) 2%, transparent);--pattern-brand-inset: color-mix(in srgb, var(--c-ink-100) 10%, transparent);--pattern-plusnik-border: var(--c-canvas-600);--pattern-plusnik-theme-bg: color-mix(in srgb, var(--c-ink-100) 4%, var(--c-canvas-800));--pattern-plusnik-theme-fg: var(--c-ink-100);--pattern-plusnik-num-bg: var(--c-canvas-850);--pattern-plusnik-num-fg: var(--c-ink-300);--pattern-plusnik-cell-bg: var(--c-canvas-800);--pattern-plusnik-cell-hover: color-mix(in srgb, var(--c-ink-100) 5%, var(--c-canvas-800));--pattern-plusnik-cell-solved-bg: color-mix(in srgb, var(--c-ink-100) 7%, var(--c-canvas-800));--pattern-plusnik-plus-fg: var(--c-ink-100);--pattern-plusnik-plus-glow: color-mix(in srgb, var(--c-ink-100) 55%, #7ec8ff);--pattern-plusnik-plus-size: 1.55rem}html[data-theme-pack=neutral][data-mode=dark]{color-scheme:dark;--c-canvas-950: #070709;--c-canvas-900: #0c0c0f;--c-canvas-850: #121216;--c-canvas-800: #17171b;--c-canvas-750: #1e1e24;--c-canvas-700: #2a2a32;--c-canvas-600: #3a3a44;--c-ink-100: #f2f2f5;--c-ink-300: #a8a8b2;--c-ink-400: #787882;--c-brand-400: #c8c8d0;--c-brand-500: #f2f2f5;--c-brand-600: #ffffff;--c-student-roma: #5c342c;--c-student-andrey: #353054;--c-student-savva: #463624;--c-student-yaromir: #2a3c2e;--bg: var(--c-canvas-900);--surface: var(--c-canvas-800);--surface-2: var(--c-canvas-850);--surface-3: var(--c-canvas-750);--surface-inset: var(--c-canvas-950);--text: var(--c-ink-100);--text-dim: var(--c-ink-300);--text-muted: var(--c-ink-400);--text-on-accent: #0c0c0f;--primary: var(--c-brand-500);--primary-strong: var(--c-brand-400);--primary-soft: color-mix(in srgb, var(--c-brand-500) 10%, transparent);--accent: var(--primary);--accent-hover: var(--c-brand-400);--accent-soft: var(--primary-soft);--accent-hairline: color-mix(in srgb, var(--c-brand-500) 16%, transparent);--gradient-surface: linear-gradient(180deg, var(--surface), var(--surface-2));--topbar-bg: color-mix(in srgb, var(--c-canvas-900) 86%, transparent);--chrome: var(--topbar-bg);--border: var(--c-canvas-700);--border-strong: var(--c-canvas-600);--cell-border: color-mix(in srgb, var(--c-ink-100) 18%, transparent);--select: color-mix(in srgb, var(--c-brand-500) 12%, transparent);--select-line: var(--c-brand-400);--shadow-sm: 0 2px 8px rgb(0 0 0 / .45);--shadow-md: 0 10px 26px rgb(0 0 0 / .55);--shadow-lg: 0 18px 46px rgb(0 0 0 / .65);--focus-ring: 0 0 0 3px color-mix(in srgb, var(--c-brand-500) 24%, transparent);--chip-roma: var(--c-student-roma);--chip-andrey: var(--c-student-andrey);--chip-savva: var(--c-student-savva);--chip-yaromir: var(--c-student-yaromir);--pattern-tab-fg: var(--c-ink-400);--pattern-tab-fg-hover: var(--c-ink-300);--pattern-tab-fg-active: var(--c-ink-100);--pattern-tab-bg: transparent;--pattern-tab-bg-hover: color-mix(in srgb, var(--c-ink-100) 5%, transparent);--pattern-tab-bg-active: var(--c-canvas-750);--pattern-tab-border: transparent;--pattern-tab-border-active: color-mix(in srgb, var(--c-ink-100) 14%, transparent);--pattern-tab-trace: color-mix(in srgb, var(--c-ink-100) 42%, transparent);--pattern-toggle-bg: var(--c-canvas-750);--pattern-toggle-border: var(--c-canvas-700);--pattern-toggle-fg: var(--c-ink-400);--pattern-toggle-on-bg: color-mix(in srgb, var(--c-ink-100) 88%, var(--c-canvas-750));--pattern-toggle-on-fg: var(--c-canvas-950);--pattern-brand-fg: var(--c-ink-100);--pattern-brand-border: color-mix(in srgb, var(--c-ink-100) 22%, var(--c-canvas-700));--pattern-brand-fill-top: color-mix(in srgb, var(--c-ink-100) 8%, transparent);--pattern-brand-fill-bottom: color-mix(in srgb, var(--c-ink-100) 2%, transparent);--pattern-brand-inset: color-mix(in srgb, var(--c-ink-100) 12%, transparent);--pattern-plusnik-border: color-mix(in srgb, var(--c-ink-100) 14%, var(--c-canvas-700));--pattern-plusnik-theme-bg: color-mix(in srgb, var(--c-ink-100) 6%, var(--c-canvas-800));--pattern-plusnik-theme-fg: var(--c-ink-100);--pattern-plusnik-num-bg: var(--c-canvas-750);--pattern-plusnik-num-fg: var(--c-ink-300);--pattern-plusnik-cell-bg: var(--c-canvas-850);--pattern-plusnik-cell-hover: color-mix(in srgb, var(--c-ink-100) 8%, var(--c-canvas-850));--pattern-plusnik-cell-solved-bg: color-mix(in srgb, var(--c-ink-100) 12%, var(--c-canvas-850));--pattern-plusnik-plus-fg: #f4f6fa;--pattern-plusnik-plus-glow: color-mix(in srgb, #9ec9ff 70%, var(--c-ink-100));--pattern-plusnik-plus-size: 1.6rem}html[data-theme-pack=lime][data-mode=light]{color-scheme:light;--c-canvas-950: #f1f3ee;--c-canvas-900: #f7f8f5;--c-canvas-850: #eef0eb;--c-canvas-800: #ffffff;--c-canvas-750: #f2f3ef;--c-canvas-700: #d8dcd3;--c-canvas-600: #c2c8bb;--c-ink-100: #161a14;--c-ink-300: #4f574a;--c-ink-400: #7a8274;--c-brand-300: #8fc46a;--c-brand-400: #7eb85a;--c-brand-500: #5f9a3a;--c-brand-600: #4a7c2e;--c-student-roma: #e8b5a4;--c-student-andrey: #c9bddf;--c-student-savva: #d4b892;--c-student-yaromir: #b5d4b0;--bg: var(--c-canvas-900);--surface: var(--c-canvas-800);--surface-2: var(--c-canvas-850);--surface-3: var(--c-canvas-750);--surface-inset: var(--c-canvas-950);--text: var(--c-ink-100);--text-dim: var(--c-ink-300);--text-muted: var(--c-ink-400);--text-on-accent: #ffffff;--primary: var(--c-brand-500);--primary-strong: var(--c-brand-400);--primary-soft: color-mix(in srgb, var(--c-brand-500) 12%, transparent);--accent: var(--primary);--accent-hover: var(--c-brand-600);--accent-soft: var(--primary-soft);--accent-hairline: color-mix(in srgb, var(--c-brand-500) 22%, transparent);--gradient-surface: linear-gradient(180deg, var(--surface), var(--surface-2));--topbar-bg: color-mix(in srgb, var(--c-canvas-900) 82%, transparent);--chrome: var(--topbar-bg);--border: var(--c-canvas-700);--border-strong: var(--c-canvas-600);--cell-border: var(--c-canvas-600);--select: color-mix(in srgb, var(--c-brand-500) 18%, transparent);--select-line: var(--c-brand-600);--shadow-sm: 0 2px 8px color-mix(in srgb, var(--c-ink-100) 6%, transparent);--shadow-md: 0 10px 28px color-mix(in srgb, var(--c-ink-100) 8%, transparent);--shadow-lg: 0 18px 46px color-mix(in srgb, var(--c-ink-100) 10%, transparent);--focus-ring: 0 0 0 3px color-mix(in srgb, var(--c-brand-500) 35%, transparent);--chip-roma: var(--c-student-roma);--chip-andrey: var(--c-student-andrey);--chip-savva: var(--c-student-savva);--chip-yaromir: var(--c-student-yaromir)}html[data-theme-pack=lime][data-mode=dark]{color-scheme:dark;--c-canvas-950: #080a08;--c-canvas-900: #0c0e0c;--c-canvas-850: #121512;--c-canvas-800: #161916;--c-canvas-750: #1c1f1c;--c-canvas-700: #262b26;--c-canvas-600: #343a34;--c-ink-100: #f2f5f0;--c-ink-300: #a8b0a4;--c-ink-400: #7a8276;--c-brand-300: #b4e08f;--c-brand-400: #9fd47a;--c-brand-500: #7eb85a;--c-brand-600: #5f9a3a;--c-student-roma: #5c342c;--c-student-andrey: #353054;--c-student-savva: #463624;--c-student-yaromir: #2a3c2e;--bg: var(--c-canvas-900);--surface: var(--c-canvas-800);--surface-2: var(--c-canvas-850);--surface-3: var(--c-canvas-750);--surface-inset: var(--c-canvas-950);--text: var(--c-ink-100);--text-dim: var(--c-ink-300);--text-muted: var(--c-ink-400);--text-on-accent: #101410;--primary: var(--c-brand-500);--primary-strong: var(--c-brand-400);--primary-soft: color-mix(in srgb, var(--c-brand-500) 14%, transparent);--accent: var(--primary);--accent-hover: var(--c-brand-400);--accent-soft: var(--primary-soft);--accent-hairline: color-mix(in srgb, var(--c-brand-500) 25%, transparent);--gradient-surface: linear-gradient(180deg, var(--surface), var(--surface-2));--topbar-bg: color-mix(in srgb, var(--c-canvas-900) 82%, transparent);--chrome: var(--topbar-bg);--border: var(--c-canvas-700);--border-strong: var(--c-canvas-600);--cell-border: color-mix(in srgb, var(--c-ink-100) 28%, transparent);--select: color-mix(in srgb, var(--c-brand-500) 20%, transparent);--select-line: var(--c-brand-400);--shadow-sm: 0 2px 8px rgb(0 0 0 / .4);--shadow-md: 0 10px 26px rgb(0 0 0 / .5);--shadow-lg: 0 18px 46px rgb(0 0 0 / .6);--focus-ring: 0 0 0 3px color-mix(in srgb, var(--c-brand-500) 40%, transparent);--chip-roma: var(--c-student-roma);--chip-andrey: var(--c-student-andrey);--chip-savva: var(--c-student-savva);--chip-yaromir: var(--c-student-yaromir)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font-sans);color:var(--text);background:var(--bg);font-size:var(--fs-base)}button{font:inherit;color:inherit}button:focus-visible{outline:none;box-shadow:var(--focus-ring)}:root{--anim-perimeter-dur: .52s}@keyframes anim-perimeter-draw{0%{stroke-dashoffset:1}to{stroke-dashoffset:0}}.anim-perimeter-draw{animation:anim-perimeter-draw var(--anim-perimeter-dur) var(--ease-out) forwards}@media(prefers-reduced-motion:reduce){:root{--anim-perimeter-dur: 0ms}}:root{--anim-splash-dur: .64s}@keyframes anim-fruit-splash{0%{opacity:0;transform:scale(.72)}35%{opacity:.9;transform:scale(1.04)}to{opacity:0;transform:scale(1.18)}}.anim-fruit-splash{animation:anim-fruit-splash var(--anim-splash-dur) var(--ease-out) forwards;pointer-events:none}@media(prefers-reduced-motion:reduce){:root{--anim-splash-dur: 0ms}.anim-fruit-splash{animation:none;opacity:0}}.brand-framed{display:inline-flex;align-items:center;gap:.45em;padding:.35em .85em .35em .75em;border:1px solid var(--pattern-brand-border);border-radius:var(--radius-pill);background:linear-gradient(180deg,var(--pattern-brand-fill-top),var(--pattern-brand-fill-bottom));box-shadow:inset 0 0 0 1px var(--pattern-brand-inset);font-weight:var(--fw-bold);font-size:var(--fs-sm);letter-spacing:-.02em;color:var(--pattern-brand-fg);cursor:pointer}.brand-framed:hover{border-color:color-mix(in srgb,var(--pattern-brand-fg) 40%,var(--pattern-brand-border))}.btn-primary{border:0;border-radius:var(--radius-pill);padding:11px 22px;background:var(--primary);color:var(--text-on-accent);font-weight:650;cursor:pointer;box-shadow:var(--shadow-sm);transition:background var(--dur-base) var(--ease)}.btn-primary:hover{background:var(--accent-hover)}.theme-toggle{display:inline-flex;align-items:center;gap:var(--space-1);padding:4px;border-radius:var(--radius-pill);border:var(--border-width) solid var(--pattern-toggle-border);background:var(--pattern-toggle-bg);cursor:pointer;flex-shrink:0;margin-left:var(--space-3);transition:border-color var(--dur-base) var(--ease),background var(--dur-base) var(--ease)}.theme-toggle:hover{border-color:var(--border-strong)}.theme-toggle-icon{display:grid;place-items:center;width:30px;height:24px;border-radius:var(--radius-pill);color:var(--pattern-toggle-fg);transition:background var(--dur-base) var(--ease),color var(--dur-base) var(--ease)}.theme-toggle-icon.is-on{background:var(--pattern-toggle-on-bg);color:var(--pattern-toggle-on-fg)}.btn-trace{--trace-color: var(--pattern-tab-trace);position:relative;isolation:isolate;border:var(--border-width) solid var(--pattern-tab-border);border-radius:var(--radius-md);padding:8px 14px;background:var(--pattern-tab-bg);color:var(--pattern-tab-fg);font:inherit;font-size:var(--fs-sm);font-weight:550;cursor:pointer;transition:color var(--dur-base) var(--ease),background var(--dur-base) var(--ease),border-color var(--dur-base) var(--ease)}.btn-trace:hover{color:var(--pattern-tab-fg-hover);background:var(--pattern-tab-bg-hover)}.btn-trace.is-on{color:var(--pattern-tab-fg-active);font-weight:650;background:var(--pattern-tab-bg-active);border-color:var(--pattern-tab-border-active)}.btn-trace__label{position:relative;z-index:1}.btn-trace__svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none;overflow:visible;z-index:2}.btn-trace__path{fill:none;stroke:var(--trace-color);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke;stroke-dasharray:1;stroke-dashoffset:1;opacity:0}.btn-trace.is-tracing .btn-trace__path{opacity:1;animation-name:anim-perimeter-draw;animation-duration:var(--anim-perimeter-dur);animation-timing-function:var(--ease-out);animation-fill-mode:forwards}@media(prefers-reduced-motion:reduce){.btn-trace.is-tracing .btn-trace__path{animation:none;stroke-dashoffset:0;opacity:.7}}.plusnik-table{width:100%;border-collapse:separate;border-spacing:var(--space-2);table-layout:fixed}.plusnik-table__theme{text-align:center;vertical-align:middle;padding:var(--space-4) var(--space-5);font-family:var(--font-display);font-size:var(--fs-lg);font-weight:650;letter-spacing:-.02em;color:var(--pattern-plusnik-theme-fg);background:var(--pattern-plusnik-theme-bg);border:var(--border-width) solid var(--pattern-plusnik-border);border-radius:var(--radius-md)}.plusnik-table__num{text-align:center;vertical-align:middle;padding:var(--space-2) var(--space-2);font-size:var(--fs-sm);font-weight:600;color:var(--pattern-plusnik-num-fg);background:var(--pattern-plusnik-num-bg);border:var(--border-width) solid var(--pattern-plusnik-border);border-radius:var(--radius-sm)}.plusnik-table__cell{text-align:center;vertical-align:middle;min-width:3.25rem;height:3.25rem;padding:0;margin:0;border:var(--border-width) solid var(--pattern-plusnik-border);border-radius:var(--radius-md);background:var(--pattern-plusnik-cell-bg);color:var(--pattern-plusnik-plus-fg);font-family:inherit;line-height:1;display:flex;align-items:center;justify-content:center;width:100%;transition:background var(--dur-fast) var(--ease),box-shadow var(--dur-base) var(--ease),transform var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease)}.plusnik-table__cell.is-solved{background:var(--pattern-plusnik-cell-solved-bg);border-color:color-mix(in srgb,var(--pattern-plusnik-plus-fg) 28%,var(--pattern-plusnik-border));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--pattern-plusnik-plus-fg) 18%,transparent),0 0 0 1px color-mix(in srgb,var(--pattern-plusnik-plus-glow) 35%,transparent),0 6px 18px color-mix(in srgb,var(--pattern-plusnik-plus-glow) 22%,transparent)}.plusnik-table__cell.is-interactive{cursor:pointer}.plusnik-table__cell.is-interactive:hover{background:var(--pattern-plusnik-cell-hover)}.plusnik-table__cell.is-interactive:active{transform:scale(.96)}.plusnik-table__empty{text-align:center;color:var(--text-muted);font-size:var(--fs-sm);padding:var(--space-6)}.plusnik-mark{width:var(--pattern-plusnik-plus-size);height:var(--pattern-plusnik-plus-size);display:block;flex-shrink:0;overflow:visible;animation:plusnik-mark-in var(--dur-base) var(--ease) both}.plusnik-mark__glow{fill:var(--pattern-plusnik-plus-glow);opacity:.22}.plusnik-mark__arm{fill:var(--pattern-plusnik-plus-fg);filter:drop-shadow(0 1px 0 color-mix(in srgb,var(--pattern-plusnik-plus-fg) 18%,transparent))}.plusnik-table__cell.is-interactive:hover .plusnik-mark__glow{opacity:.34}.plusnik-table__cell.is-solved .plusnik-mark__arm{fill:var(--pattern-plusnik-plus-fg)}@keyframes plusnik-mark-in{0%{opacity:0;transform:scale(.55) rotate(-12deg)}to{opacity:1;transform:scale(1) rotate(0)}}@media(prefers-reduced-motion:reduce){.plusnik-mark{animation:none}}