:root,.light,.light-theme{--slate-1: #fcfcfd;--slate-2: #f9f9fb;--slate-3: #f0f0f3;--slate-4: #e8e8ec;--slate-5: #e0e1e6;--slate-6: #d9d9e0;--slate-7: #cdced6;--slate-8: #b9bbc6;--slate-9: #8b8d98;--slate-10: #80838d;--slate-11: #60646c;--slate-12: #1c2024}@supports (color: color(display-p3 1 1 1)){@media(color-gamut:p3){:root,.light,.light-theme{--slate-1: color(display-p3 .988 .988 .992);--slate-2: color(display-p3 .976 .976 .984);--slate-3: color(display-p3 .94 .941 .953);--slate-4: color(display-p3 .908 .909 .925);--slate-5: color(display-p3 .88 .881 .901);--slate-6: color(display-p3 .85 .852 .876);--slate-7: color(display-p3 .805 .808 .838);--slate-8: color(display-p3 .727 .733 .773);--slate-9: color(display-p3 .547 .553 .592);--slate-10: color(display-p3 .503 .512 .549);--slate-11: color(display-p3 .379 .392 .421);--slate-12: color(display-p3 .113 .125 .14)}}}.dark,.dark-theme{--slate-1: #111113;--slate-2: #18191b;--slate-3: #212225;--slate-4: #272a2d;--slate-5: #2e3135;--slate-6: #363a3f;--slate-7: #43484e;--slate-8: #5a6169;--slate-9: #696e77;--slate-10: #777b84;--slate-11: #b0b4ba;--slate-12: #edeef0}@supports (color: color(display-p3 1 1 1)){@media(color-gamut:p3){.dark,.dark-theme{--slate-1: color(display-p3 .067 .067 .074);--slate-2: color(display-p3 .095 .098 .105);--slate-3: color(display-p3 .13 .135 .145);--slate-4: color(display-p3 .156 .163 .176);--slate-5: color(display-p3 .183 .191 .206);--slate-6: color(display-p3 .215 .226 .244);--slate-7: color(display-p3 .265 .28 .302);--slate-8: color(display-p3 .357 .381 .409);--slate-9: color(display-p3 .415 .431 .463);--slate-10: color(display-p3 .469 .483 .514);--slate-11: color(display-p3 .692 .704 .728);--slate-12: color(display-p3 .93 .933 .94)}}}:root,.light,.light-theme{--indigo-1: #fdfdfe;--indigo-2: #f7f9ff;--indigo-3: #edf2fe;--indigo-4: #e1e9ff;--indigo-5: #d2deff;--indigo-6: #c1d0ff;--indigo-7: #abbdf9;--indigo-8: #8da4ef;--indigo-9: #3e63dd;--indigo-10: #3358d4;--indigo-11: #3a5bc7;--indigo-12: #1f2d5c}@supports (color: color(display-p3 1 1 1)){@media(color-gamut:p3){:root,.light,.light-theme{--indigo-1: color(display-p3 .992 .992 .996);--indigo-2: color(display-p3 .971 .977 .998);--indigo-3: color(display-p3 .933 .948 .992);--indigo-4: color(display-p3 .885 .914 1);--indigo-5: color(display-p3 .831 .87 1);--indigo-6: color(display-p3 .767 .814 .995);--indigo-7: color(display-p3 .685 .74 .957);--indigo-8: color(display-p3 .569 .639 .916);--indigo-9: color(display-p3 .276 .384 .837);--indigo-10: color(display-p3 .234 .343 .801);--indigo-11: color(display-p3 .256 .354 .755);--indigo-12: color(display-p3 .133 .175 .348)}}}.dark,.dark-theme{--indigo-1: #11131f;--indigo-2: #141726;--indigo-3: #182449;--indigo-4: #1d2e62;--indigo-5: #253974;--indigo-6: #304384;--indigo-7: #3a4f97;--indigo-8: #435db1;--indigo-9: #3e63dd;--indigo-10: #5472e4;--indigo-11: #9eb1ff;--indigo-12: #d6e1ff}@supports (color: color(display-p3 1 1 1)){@media(color-gamut:p3){.dark,.dark-theme{--indigo-1: color(display-p3 .068 .074 .118);--indigo-2: color(display-p3 .081 .089 .144);--indigo-3: color(display-p3 .105 .141 .275);--indigo-4: color(display-p3 .129 .18 .369);--indigo-5: color(display-p3 .163 .22 .439);--indigo-6: color(display-p3 .203 .262 .5);--indigo-7: color(display-p3 .245 .309 .575);--indigo-8: color(display-p3 .285 .362 .674);--indigo-9: color(display-p3 .276 .384 .837);--indigo-10: color(display-p3 .354 .445 .866);--indigo-11: color(display-p3 .63 .69 1);--indigo-12: color(display-p3 .848 .881 .99)}}}:root,.light,.light-theme{--indigo-a1: #00008002;--indigo-a2: #0040ff08;--indigo-a3: #0047f112;--indigo-a4: #0044ff1e;--indigo-a5: #0044ff2d;--indigo-a6: #003eff3e;--indigo-a7: #0037ed54;--indigo-a8: #0034dc72;--indigo-a9: #0031d2c1;--indigo-a10: #002ec9cc;--indigo-a11: #002bb7c5;--indigo-a12: #001046e0}@supports (color: color(display-p3 1 1 1)){@media(color-gamut:p3){:root,.light,.light-theme{--indigo-a1: color(display-p3 .02 .02 .51 / .008);--indigo-a2: color(display-p3 .024 .161 .863 / .028);--indigo-a3: color(display-p3 .008 .239 .886 / .067);--indigo-a4: color(display-p3 .004 .247 1 / .114);--indigo-a5: color(display-p3 .004 .235 1 / .169);--indigo-a6: color(display-p3 .004 .208 .984 / .232);--indigo-a7: color(display-p3 .004 .176 .863 / .314);--indigo-a8: color(display-p3 .004 .165 .812 / .432);--indigo-a9: color(display-p3 0 .153 .773 / .726);--indigo-a10: color(display-p3 0 .137 .737 / .765);--indigo-a11: color(display-p3 .256 .354 .755);--indigo-a12: color(display-p3 .133 .175 .348)}}}.dark,.dark-theme{--indigo-a1: #1133ff0f;--indigo-a2: #3354fa17;--indigo-a3: #2f62ff3c;--indigo-a4: #3566ff57;--indigo-a5: #4171fd6b;--indigo-a6: #5178fd7c;--indigo-a7: #5a7fff90;--indigo-a8: #5b81feac;--indigo-a9: #4671ffdb;--indigo-a10: #5c7efee3;--indigo-a11: #9eb1ff;--indigo-a12: #d6e1ff}@supports (color: color(display-p3 1 1 1)){@media(color-gamut:p3){.dark,.dark-theme{--indigo-a1: color(display-p3 .071 .212 .996 / .055);--indigo-a2: color(display-p3 .251 .345 .988 / .085);--indigo-a3: color(display-p3 .243 .404 1 / .223);--indigo-a4: color(display-p3 .263 .42 1 / .324);--indigo-a5: color(display-p3 .314 .451 1 / .4);--indigo-a6: color(display-p3 .361 .49 1 / .467);--indigo-a7: color(display-p3 .388 .51 1 / .547);--indigo-a8: color(display-p3 .404 .518 1 / .652);--indigo-a9: color(display-p3 .318 .451 1 / .824);--indigo-a10: color(display-p3 .404 .506 1 / .858);--indigo-a11: color(display-p3 .63 .69 1);--indigo-a12: color(display-p3 .848 .881 .99)}}}:root{--accent: var(--indigo-9);--accent-hover: var(--indigo-10);--accent-muted: var(--indigo-3);--accent-soft: var(--indigo-a3);--bg: var(--slate-2);--surface: var(--slate-1);--surface-2: var(--slate-3);--surface-sunken: var(--slate-2);--hover: var(--slate-3);--border: var(--slate-5);--border-subtle: var(--slate-3);--switch-off: var(--slate-7);--text: var(--slate-12);--muted: var(--slate-11);--danger-bg: #fbe0e1;--danger-fg: #8f2b1f;--radius: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .08);--ui-zoom: 1.1;color-scheme:light}:root[data-theme=dark]{--accent: var(--indigo-9);--accent-hover: var(--indigo-10);--accent-muted: var(--indigo-3);--accent-soft: var(--indigo-a3);--bg: var(--slate-2);--surface: var(--slate-3);--surface-2: var(--slate-4);--surface-sunken: var(--slate-3);--hover: var(--slate-5);--border: var(--slate-5);--border-subtle: var(--slate-4);--switch-off: var(--slate-6);--text: var(--slate-12);--muted: var(--slate-11);--danger-bg: rgba(229, 72, 77, .22);--danger-fg: #ff9b96;--shadow: 0 1px 3px rgba(0, 0, 0, .4);color-scheme:dark}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;zoom:var(--ui-zoom);transition:background-color .25s ease,color .25s ease}#root{display:flex;flex-direction:column;min-height:calc(100vh / var(--ui-zoom))}.header,.panel,.column,.card,.status-box,.phase-tab,.theme-toggle,.info-toggle,.home-button{transition:background-color .25s ease,border-color .25s ease,color .25s ease,box-shadow .25s ease}.header{background:var(--surface);box-shadow:var(--shadow);padding:10px 20px;display:flex;flex-wrap:wrap;align-items:center;gap:12px 14px}.brand{flex-shrink:0;margin-right:auto}.brand:has(+.home-button){margin-right:0}.brand+.home-button{margin-right:auto}.header h1{font-size:18px;margin:0 0 2px}.phase-nav{flex:1;display:flex;flex-wrap:wrap;justify-content:center;gap:8px}@media(min-width:900px){.phase-nav{flex-wrap:nowrap}}.phase-tab{display:inline-flex;align-items:center;gap:8px;padding:6px 14px 6px 6px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--muted);font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:background .15s,border-color .15s,color .15s}.phase-tab:not(.active):not(.locked):hover{border-color:var(--accent);color:var(--accent)}.phase-tab.active{background:var(--accent);border-color:var(--accent);color:#fff;cursor:default}.phase-tab.locked{cursor:default}.phase-arrow{flex:none;align-self:center;color:var(--muted)}.phase-tab.done{color:var(--muted)}.phase-tab.done .phase-num{background:var(--accent-muted);color:var(--accent)}.phase-tab.next{border-color:var(--accent);color:var(--accent)}.phase-num{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--bg);color:var(--muted);font-size:12px;font-weight:700}.phase-tab.active .phase-num{background:#fff;color:var(--accent)}.layout{--sidebar-w: 260px;--settings-w: 220px;display:grid;grid-template-columns:var(--sidebar-w) 1fr var(--settings-w);gap:16px;padding:16px;align-items:start}.layout.with-actions{grid-template-columns:var(--sidebar-w) 1fr 280px var(--settings-w)}.layout.sidebar-collapsed{--sidebar-w: 44px}.layout.settings-collapsed{--settings-w: 44px}.setup-layout{display:grid;grid-template-columns:260px 1fr;gap:16px;padding:16px;align-items:start}.sidebar{height:fit-content}.board-area{background:transparent;padding:0}.right-panel,.action-panel{height:fit-content}.action-hint{margin:0 0 10px;font-size:12px;color:var(--muted)}.action-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.action-item{position:relative;background:var(--accent-soft);border-radius:4px;padding:8px 10px;box-shadow:0 1px 2px #0000001f}.action-item-text{font-size:13px;line-height:1.4;white-space:pre-wrap;word-break:break-word;padding-right:16px}.action-item-author{display:block;margin-top:4px;font-size:11px;color:var(--muted)}.action-item-delete{position:absolute;top:4px;right:4px;display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;padding:0;border:none;border-radius:4px;background:transparent;color:var(--muted);opacity:0}.action-item:hover .action-item-delete,.action-item-delete:focus-visible{opacity:1}.action-item:hover .action-item-delete:hover,.action-item-delete:focus-visible:hover{background:var(--danger-bg);color:var(--danger-fg)}.action-limit{margin:10px 0 0;font-size:12px;color:var(--muted)}.action-panel .composer,.action-panel .add-card-btn{margin-top:10px}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px}.panel-title{font-size:13px;font-weight:600;border-bottom:1px solid var(--border);padding-bottom:8px;margin-bottom:10px}.panel-title-row{display:flex;align-items:center;justify-content:space-between;gap:6px}.panel.collapsed{display:flex;flex-direction:column;align-items:center;gap:2px;padding:7px 5px}.panel-collapse-btn{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:24px;height:24px;padding:0;border:none;border-radius:6px;background:transparent;color:var(--muted)}.panel-collapse-btn:hover{background:var(--hover);color:var(--text)}.panel-collapse-btn svg{display:block}.collapsed-count{font-size:11px;font-weight:600;color:var(--muted)}.panel-collapse-row{display:flex;justify-content:flex-end;margin:-4px -4px 4px 0}.participants{display:flex;flex-direction:column;gap:4px}.participant-row{padding:6px 0;border-bottom:1px solid var(--border-subtle)}.participant-row:last-child{border-bottom:none}.participant-main{display:flex;align-items:center;gap:10px;width:100%;padding:2px 6px;margin:-2px -6px;border:none;background:transparent;color:inherit;text-align:left}.participant-main:disabled{cursor:default}.participant-main:not(:disabled):hover{background:var(--hover)}.handoff-confirm{display:flex;flex-direction:column;gap:6px;margin:8px 0 2px 40px;font-size:12px;color:var(--muted)}.handoff-actions{display:flex;gap:6px}.handoff-confirm button{padding:3px 12px;border:1px solid var(--border);background:var(--surface);color:var(--text)}.handoff-yes{background:var(--accent);border-color:var(--accent);color:#fff}.handoff-yes:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.handoff-no:hover{border-color:var(--accent);color:var(--accent)}.avatar{width:30px;height:30px;border-radius:50%;background:var(--accent-muted);display:flex;align-items:center;justify-content:center;font-size:11px;color:var(--accent);font-weight:700;flex-shrink:0;position:relative;overflow:hidden}.avatar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.participant-name{font-size:13px}.moderator{color:var(--muted);font-size:11px;font-style:italic}.no-cards .participant-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.no-cards-badge{margin-left:auto;flex-shrink:0;font-size:10px;font-weight:600;white-space:nowrap;padding:2px 7px;border-radius:999px;background:var(--danger-bg);color:var(--danger-fg)}.tutor-note{margin-top:12px;padding-top:10px;border-top:1px solid var(--border-subtle);font-size:11px;line-height:1.4;color:var(--muted)}.muted{color:var(--muted)}.timer{display:block;width:100%;margin:8px 0 12px;padding:4px 0;font-family:inherit;font-variant-numeric:tabular-nums;font-size:38px;font-weight:700;letter-spacing:1px;text-align:center;color:var(--text);background:transparent;border:none;border-radius:6px}.timer-editable{cursor:pointer}.timer-editable:hover{background:var(--hover)}.timer:disabled{cursor:default}.timer-input{outline:none}.timer-input:focus{background:var(--surface);box-shadow:inset 0 0 0 2px var(--accent)}.timer-actions{display:flex;gap:6px;justify-content:center}button{font-family:inherit;font-size:13px;border-radius:6px;cursor:pointer;transition:background .15s,border-color .15s,color .15s}.timer-actions button{padding:5px 12px;border:1px solid var(--border);background:var(--surface);color:var(--text)}.timer-actions button:hover{border-color:var(--accent);color:var(--accent)}.timer-actions button:first-child{background:var(--accent);border-color:var(--accent);color:#fff}.timer-actions button:first-child:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff}.status-box{border:1px solid var(--border);border-radius:6px;background:var(--surface-sunken);padding:10px;margin-bottom:12px}.status-title{font-weight:600;font-size:13px;margin-bottom:4px}.status-desc{font-size:12px;color:var(--muted);line-height:1.4}.section{margin-top:12px;border-top:1px solid var(--border);padding-top:12px}.section-title{font-weight:600;font-size:12px;margin-bottom:6px}.section-text{font-size:12px;color:var(--muted);margin-bottom:8px}.option-row{display:flex;flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:14px}.option-row:last-child{margin-bottom:0}.option-label{font-size:13px;font-weight:600}.option-hint{margin-top:2px;font-size:11px;font-weight:400;color:var(--muted)}.switch{position:relative;flex-shrink:0;width:40px;height:22px;padding:0;border:none;border-radius:999px;background:var(--switch-off);cursor:pointer;transition:background .15s}.switch.on{background:var(--accent)}.switch-knob{position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 2px #00000040;transition:transform .15s}.switch.on .switch-knob{transform:translate(18px)}.switch:disabled{opacity:.5;cursor:not-allowed}.stepper{display:flex;flex-shrink:0;align-items:center;gap:8px}.stepper button{width:26px;height:26px;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text);font-size:16px;line-height:1}.stepper button:not(:disabled):hover{border-color:var(--accent);color:var(--accent)}.stepper button:disabled{opacity:.4;cursor:not-allowed}.stepper span{min-width:14px;text-align:center;font-size:14px;font-weight:600}.option-locked{margin-top:4px;font-size:11px;font-style:italic;color:var(--muted)}.board{display:grid;grid-template-columns:repeat(var(--cols, 3),minmax(0,1fr));gap:16px;padding:0}.board.with-add-column{grid-template-columns:repeat(var(--cols, 3),minmax(0,1fr)) 44px}.add-column-btn{min-height:120px;padding:0;border:1px dashed var(--border);border-radius:var(--radius);background:transparent;color:var(--muted);font-size:22px;font-weight:600;line-height:1}.add-column-btn:not(:disabled):hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.add-column-btn:disabled{opacity:.45;cursor:not-allowed}.remove-column-btn{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:20px;height:20px;padding:0;border:none;border-radius:4px;background:transparent;color:var(--muted);font-size:16px;line-height:1}.remove-column-btn svg{display:block}.remove-column-btn:hover{background:var(--danger-bg);color:var(--danger-fg)}.column{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px}.column-head{position:relative;display:flex;align-items:center;gap:8px;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border)}.color-dot{flex-shrink:0;width:14px;height:14px;padding:0;border:1px solid rgba(0,0,0,.15);border-radius:50%;cursor:pointer}.palette{position:absolute;top:26px;left:0;z-index:20;display:flex;gap:6px;padding:8px;background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:0 4px 14px #00000026}.palette-swatch{width:20px;height:20px;padding:0;border:2px solid transparent;border-radius:50%;cursor:pointer}.palette-swatch:hover{border-color:#0000004d}.palette-backdrop{position:fixed;inset:0;z-index:10}.column-title{flex:1;min-width:0;margin:0;padding:2px 4px;font-family:inherit;font-size:14px;font-weight:600;color:var(--text);background:transparent;border:1px solid transparent;border-radius:4px}.column-title:hover{border-color:var(--border)}.column-title:focus{outline:none;border-color:var(--accent);background:var(--surface)}.card{--card-reveal: var(--card-bg, var(--surface-2));position:relative;background:var(--card-reveal);border-radius:4px;padding:10px 12px;margin-bottom:10px;box-shadow:0 1px 2px #0000001f;transition:box-shadow .12s;cursor:grab;touch-action:none}.card:hover{box-shadow:0 3px 8px #0000002e}.column-cards{min-height:8px}.card.dragging{opacity:.4}.card.locked{cursor:default;touch-action:auto}.card.dragging-overlay{cursor:grabbing;box-shadow:0 8px 20px #00000040}.card.group{box-shadow:4px 4px 0 0 var(--card-reveal),4px 4px 0 1px var(--border),8px 8px 0 0 var(--card-reveal),8px 8px 0 1px var(--border),9px 9px 10px -3px #00000038}.card.group:hover{box-shadow:4px 4px 0 0 var(--card-reveal),4px 4px 0 1px var(--border),8px 8px 0 0 var(--card-reveal),8px 8px 0 1px var(--border),11px 11px 14px -3px #00000047}.card.group-target{outline:2px solid var(--accent);outline-offset:1px}.card.group .card-delete{opacity:1}.card-group-open{padding:2px 8px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--muted);font-size:11px;cursor:pointer}.card-group-open:hover{border-color:var(--accent);color:var(--accent)}.group-modal{position:fixed;z-index:20;top:50%;left:50%;transform:translate(-50%,-50%);width:min(680px,calc(100vw - 32px));max-height:calc(100vh - 48px);overflow-y:auto;padding:20px 24px 28px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 12px 40px #00000040}.group-modal-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.group-modal-cards .card{margin:0;cursor:default}.card-delete{position:absolute;top:4px;right:4px;display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;padding:0;border:none;border-radius:4px;background:transparent;color:var(--muted);opacity:0;transition:opacity .12s,background .12s,color .12s}.card:hover .card-delete,.card-delete:focus-visible{opacity:1;background:var(--card-reveal)}.card:hover .card-delete:hover,.card-delete:focus-visible:hover{background:var(--danger-bg);color:var(--danger-fg)}.card-delete svg{display:block}:root[data-theme=dark] .card{--card-reveal: color-mix(in srgb, var(--card-dot) 22%, var(--surface))}:root[data-theme=dark] .vote-btn{background:color-mix(in srgb,var(--card-dot) 12%,var(--surface))}.card-text{font-size:13px;line-height:1.4;white-space:pre-wrap;word-break:break-word;padding-right:16px}.card-foot{display:flex;align-items:center;gap:8px;margin-top:10px}.card-author{font-size:11px;color:var(--muted);font-style:italic}.vote-btn{display:inline-flex;align-items:center;gap:5px;margin-left:auto;padding:3px 10px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--text);font-size:12px;font-weight:600;line-height:1}.vote-btn 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