:root {
	--ink:#162033; --muted:#64748b; --line:#dfe6ee; --surface:#fff; --soft:#f5f8fb;
	--brand:#1295ad; --brand-dark:#0d7488; --brand-soft:#eaf9fc; --danger:#c9364f;
	--green:#28a164; --yellow:#e5a91c; --red:#dc4a54; --shadow:0 10px 28px rgba(15,23,42,.08);
	--radius:18px; --cell:68px;
}
*{box-sizing:border-box}html{min-width:320px;background:#fff}body{margin:0;color:var(--ink);background:#fff;font:13px Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
button,input,textarea{font:inherit}button{color:inherit}button,a{-webkit-tap-highlight-color:transparent}[hidden]{display:none!important}
svg{width:1.15em;height:1.15em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.app{width:min(1380px,100%);margin:0 auto;padding:10px clamp(8px,1.4vw,20px) 30px}.card{border:1px solid rgba(203,213,225,.8);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}
.app-header{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px 13px;border-left:4px solid var(--brand)}.app-header__identity,.app-header__actions{display:flex;align-items:center}.app-header__identity{gap:10px}.app-header__mark{display:grid;flex:0 0 40px;width:40px;height:40px;place-items:center;border-radius:50%;color:var(--brand);background:var(--brand-soft)}.app-header__mark svg{width:23px;height:23px}.app-header h1{margin:1px 0 0;font-size:clamp(18px,2vw,24px)}.eyebrow{margin:0;color:var(--brand-dark);font-size:9px;font-weight:800;letter-spacing:.11em;text-transform:uppercase}.app-header__actions{gap:7px}
.button,.icon-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:38px;border:0;border-radius:11px;font-weight:750;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,background .16s ease}.button{padding:8px 12px}.button:hover,.icon-button:hover{transform:translateY(-1px)}.button:focus-visible,.icon-button:focus-visible,.stepper button:focus-visible,.room-cell:focus-visible,.class-tab__open:focus-visible,.class-tab__edit:focus-visible{outline:3px solid rgba(18,149,173,.25);outline-offset:2px}.button--primary{color:#fff;background:linear-gradient(135deg,#1aa9b9,#0b829a);box-shadow:0 5px 14px rgba(18,149,173,.22)}.button--soft{color:#334155;background:#edf2f7}.button--add-class{flex:0 0 auto;color:var(--brand-dark);border:1px solid #bde3e9;background:#eefbfc}.button--generate{min-height:50px;padding:12px 20px;color:#fff;background:linear-gradient(135deg,#7c54d5,#1295ad);box-shadow:0 9px 24px rgba(92,81,191,.25);font-size:14px}.button:disabled{cursor:not-allowed;opacity:.55;transform:none}.icon-button{width:38px;padding:0;border:1px solid var(--line);background:#fff}.icon-button--danger{color:var(--danger);background:#fff4f5}
.class-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:9px;padding:8px}.class-tabs{display:flex;min-width:0;gap:6px;overflow:auto;scrollbar-width:thin}.class-tab{display:flex;align-items:center;min-height:38px;border:1px solid transparent;border-radius:11px;color:#526173;background:#f4f7fa;white-space:nowrap}.class-tab__open,.class-tab__edit{display:grid;place-items:center;min-height:36px;padding:0;border:0;color:inherit;background:transparent;cursor:pointer}.class-tab__open{grid-template-columns:auto minmax(0,1fr);gap:7px;padding-left:11px;font-weight:750}.class-tab__open::before{content:"";width:8px;height:8px;border-radius:50%;background:#a9b5c4}.class-tab__open span{max-width:180px;overflow:hidden;text-overflow:ellipsis}.class-tab__edit{width:34px}.class-tab__edit svg{width:14px;height:14px}.class-tab.is-active{color:#fff;border-color:var(--brand);background:linear-gradient(135deg,#24a9b8,#0b829a);box-shadow:0 4px 12px rgba(18,149,173,.2)}.class-tab.is-active .class-tab__open::before{background:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.25)}.class-tab.is-active .class-tab__edit{border-left:1px solid rgba(255,255,255,.25)}
.stepper{display:grid;grid-template-columns:1fr minmax(14px,80px) 1fr minmax(14px,80px) 1fr;align-items:center;margin-top:9px;padding:8px 12px}.stepper button{display:grid;grid-template-columns:34px 1fr;grid-template-rows:1fr;column-gap:9px;min-width:0;padding:7px;border:0;border-radius:12px;background:transparent;text-align:left;cursor:pointer}.stepper button>span{grid-row:1;display:grid;width:34px;height:34px;place-items:center;align-self:center;border-radius:50%;color:#657287;background:#edf2f7;font-weight:800}.stepper strong{align-self:center;overflow:hidden;font-size:12px;white-space:nowrap;text-overflow:ellipsis}.stepper button.is-active{background:var(--brand-soft)}.stepper button.is-active>span,.stepper button.is-done>span{color:#fff;background:var(--brand)}.stepper i{height:2px;background:#dce5ec}.stepper i.is-done{background:var(--brand)}
.workspace{margin-top:9px}.step-panel{overflow:hidden}.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:16px 18px;border-bottom:1px solid var(--line)}.panel-head h2{margin:3px 0 4px;font-size:clamp(17px,2vw,23px)}.panel-head p:not(.eyebrow){max-width:720px;margin:0;color:var(--muted);line-height:1.5}.panel-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:13px 18px;border-top:1px solid var(--line);background:#fbfdff}
.room-shell,.result-room-shell{position:relative;margin:18px auto 15px;padding:58px 28px 30px;width:min(1000px,calc(100% - 36px));border:1px solid #cbd9df;border-radius:24px;background:
	linear-gradient(90deg,rgba(255,255,255,.65),rgba(255,255,255,0) 18%,rgba(255,255,255,0) 82%,rgba(255,255,255,.65)),
	repeating-linear-gradient(90deg,rgba(78,121,134,.025) 0 1px,transparent 1px 7px),
	linear-gradient(180deg,#edf8f8 0,#f8f4ea 17%,#e9ddc4 100%);
	box-shadow:inset 0 0 50px rgba(73,93,84,.08),0 14px 30px rgba(20,43,55,.08)
}.room-shell::before,.result-room-shell::before{content:"";position:absolute;inset:46px 14px 15px;border-radius:17px;box-shadow:inset 0 0 28px rgba(71,86,68,.09);pointer-events:none}.board{position:absolute;z-index:3;top:10px;left:50%;display:grid;width:min(42%,360px);height:38px;place-items:center;transform:translateX(-50%);border:5px solid #9a7454;border-radius:5px;color:#dff5ea;background:linear-gradient(155deg,#315b50,#1e4039);box-shadow:0 4px 8px rgba(40,31,23,.2),inset 0 0 10px rgba(255,255,255,.08);font-size:10px;font-weight:800;letter-spacing:.16em}.board::after{content:"";position:absolute;right:6px;bottom:3px;width:22px;height:3px;border-radius:3px;background:#f0dfbd}
.room-scroll{position:relative;z-index:2;overflow:auto;padding:5px;overscroll-behavior:contain}.room{--cols:8;--rows:6;display:grid;width:max-content;min-width:100%;grid-template-columns:repeat(var(--cols),var(--cell));grid-template-rows:repeat(var(--rows),var(--cell));justify-content:center;border:1px solid rgba(93,120,120,.25);border-radius:12px;overflow:hidden;background:rgba(255,255,255,.25);box-shadow:0 5px 15px rgba(48,73,64,.08)}
.room-cell{position:relative;display:grid;width:var(--cell);height:var(--cell);place-items:center;padding:3px;border:0;border-right:1px dashed rgba(70,110,109,.24);border-bottom:1px dashed rgba(70,110,109,.24);background:transparent;cursor:pointer}.room-cell:hover{background:rgba(255,255,255,.45)}.room-cell.is-drop-target{background:rgba(18,149,173,.18);box-shadow:inset 0 0 0 3px rgba(18,149,173,.35)}.room-cell.is-invalid{background:rgba(220,74,84,.12)}
.table-seat{position:relative;display:grid;align-self:start;width:calc(var(--cell) - 13px);height:calc(var(--cell) * .66);margin-top:3px;place-items:center;padding:4px;border:2px solid #d2a720;border-radius:9px;color:#5f513f;background:linear-gradient(145deg,#f1e4d1,#d9bd95);box-shadow:0 4px 0 #cfa31b,0 7px 11px rgba(111,91,53,.14),inset 0 1px rgba(255,255,255,.65);font-size:10px;font-weight:800;touch-action:none;cursor:grab;user-select:none}.table-seat::before{content:"";position:absolute;right:7px;bottom:-6px;left:7px;height:5px;border-radius:0 0 3px 3px;background:#d2a720}.table-seat::after{content:"";position:absolute;top:calc(100% + 10px);left:50%;width:22px;height:9px;transform:translateX(-50%);border:2px solid #d2a720;border-radius:5px 5px 8px 8px;background:#f3e5d1;box-shadow:0 2px 4px rgba(111,91,53,.12)}.table-seat.is-dragging{position:fixed;z-index:1000;margin:0;opacity:.94;pointer-events:none;transform:rotate(2deg) scale(1.04);cursor:grabbing}
.grid-resizer{position:absolute;z-index:4;display:grid;place-items:center;border:1px solid #b8c8cc;color:var(--brand-dark);background:#fff;box-shadow:0 4px 10px rgba(28,58,63,.12);font-weight:800;touch-action:none;cursor:grab}.grid-resizer--horizontal{top:50%;right:-13px;width:28px;height:58px;transform:translateY(-50%);border-radius:10px}.grid-resizer--vertical{bottom:-13px;left:50%;width:58px;height:28px;transform:translateX(-50%);border-radius:10px}.grid-resizer.is-resizing{color:#fff;background:var(--brand);cursor:grabbing}.grid-size{position:absolute;z-index:4;top:52px;left:14px;display:flex;align-items:center;gap:3px;padding:3px 6px;border-radius:8px;color:#4f626a;background:rgba(255,255,255,.94);box-shadow:0 3px 9px rgba(28,58,63,.1);font-size:9px;font-weight:800}.grid-size input{width:44px;height:32px;padding:2px 3px;border:1px solid #cbd9df;border-radius:6px;color:#314652;background:#fff;font-size:11px;font-weight:800;line-height:normal;text-align:center}.grid-size input:focus{border-color:var(--brand);outline:2px solid rgba(18,149,173,.15)}
.student-input{display:grid;gap:7px;margin:18px}.student-input>span{font-weight:800}.student-input textarea{width:100%;min-height:58px;padding:10px 12px;resize:none;overflow-y:hidden;border:1px solid var(--line);border-radius:14px;color:var(--ink);background:#fbfdff;line-height:1.45}.student-input textarea:focus{border-color:var(--brand);outline:3px solid rgba(18,149,173,.12)}
.is-green{--tone:var(--green)}.is-yellow{--tone:var(--yellow)}.is-red{--tone:var(--red)}
.constraint-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(205px,1fr));gap:7px;padding:11px}.student-card{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:7px;min-height:48px;padding:7px 8px;border:1px solid var(--line);border-left:3px solid var(--tone,var(--green));border-radius:11px;background:#fff;box-shadow:0 3px 9px rgba(15,23,42,.04)}.student-card>strong{overflow:hidden;font-size:11px;white-space:nowrap;text-overflow:ellipsis}.chatter-toggle{display:flex;gap:2px;padding:2px;border-radius:999px;background:#edf2f5}.chatter-toggle button{width:19px;height:19px;padding:0;border:2px solid transparent;border-radius:50%;background:var(--tone);font-size:0;cursor:pointer}.chatter-toggle button.is-active{border-color:#fff;box-shadow:0 0 0 2px var(--tone)}.relations-button{position:relative;display:grid;width:31px;height:31px;place-items:center;padding:0;border:1px solid #d7e1e8;border-radius:50%;color:#3e5365;background:#f7f9fb;font-size:15px;cursor:pointer}.relations-button small{position:absolute;right:-4px;top:-4px;display:grid;min-width:16px;height:16px;place-items:center;padding:0 4px;border-radius:999px;color:#fff;background:var(--brand);font-size:8px;font-weight:800}
.generate-zone{display:flex;align-items:center;justify-content:flex-end;margin:0 18px 18px;padding:0}
.constraints-title{margin:2px 18px 4px;padding-top:12px;border-top:1px solid var(--line);font-size:13px}
.notice{margin-top:9px;padding:12px 15px;border-radius:13px;font-weight:700;line-height:1.45}.notice--warning{border:1px solid #f0d18c;color:#785617;background:#fff8df}.result{margin-top:9px;overflow:hidden}.result-room-shell{width:min(1080px,calc(100% - 36px));padding-top:60px}.room--result .room-cell{cursor:default}.room--result .table-seat{cursor:pointer;border-color:#d9b94a;color:#655842;background:#f2e6d3;box-shadow:0 4px 0 #d2ab28,0 7px 11px rgba(111,91,53,.1)}.room--result .table-seat::before{background:#d2a720}.room--result .table-seat::after{border-color:#d2a720;background:#f5eadb;box-shadow:0 2px 4px rgba(111,91,53,.09)}.student-seat{position:relative;align-self:start;width:calc(var(--cell) - 10px);height:calc(var(--cell) * .66);min-height:0;margin-top:3px;padding:4px;border:2px solid var(--tone);border-color:color-mix(in srgb,var(--tone) 48%,#fff);border-radius:9px;color:#253348;background:#eef9f3;background:color-mix(in srgb,var(--tone) 16%,#fff);box-shadow:0 4px 0 color-mix(in srgb,var(--tone) 28%,#d9e4e8),0 7px 11px rgba(54,76,86,.12);font-size:clamp(8px,1vw,11px);font-weight:800;text-align:center;line-height:1.15;overflow-wrap:anywhere;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease}.student-seat::after{content:"";position:absolute;top:calc(100% + 10px);left:50%;width:22px;height:9px;transform:translateX(-50%);border:2px solid var(--tone);border-color:#d2a720;border-radius:5px 5px 8px 8px;background:#f2e6d3;box-shadow:0 2px 4px rgba(54,76,86,.1)}.student-seat.is-selected{transform:translateY(-2px);outline:3px solid var(--tone);outline-offset:2px;box-shadow:0 6px 14px color-mix(in srgb,var(--tone) 24%,transparent)}.result-legend{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;padding:0 18px 18px;color:var(--muted);font-size:10px}.result-legend span{display:flex;align-items:center;gap:5px}.result-legend i{width:9px;height:9px;border-radius:50%;background:var(--tone)}
.modal,.loading{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:12px}.modal__backdrop,.loading::before{position:absolute;inset:0;background:rgba(15,23,42,.54);backdrop-filter:blur(4px)}.modal__panel,.loading__panel{position:relative;width:min(560px,100%);max-height:calc(100vh - 24px);max-height:calc(100dvh - 24px);overflow:auto;border:1px solid rgba(255,255,255,.8);border-radius:22px;background:#fff;box-shadow:0 28px 80px rgba(15,23,42,.3)}.modal__close{position:absolute;z-index:3;top:10px;right:10px;display:grid;width:34px;height:34px;place-items:center;padding:0;border:1px solid var(--line);border-radius:50%;color:#526173;background:#fff;font-size:22px;cursor:pointer}.modal__panel--info{width:min(390px,100%);padding:14px;text-align:left}.modal__info-head{display:grid;grid-template-columns:42px minmax(0,1fr);align-items:center;gap:10px;padding-right:34px}.step-badge{display:inline-flex;margin-bottom:3px;padding:3px 7px;border-radius:999px;color:var(--brand-dark);background:var(--brand-soft);font-size:10px;font-weight:800;text-transform:uppercase}.modal__illustration{display:grid;width:42px;height:42px;margin:0;place-items:center;border-radius:12px;color:#fff;background:linear-gradient(145deg,#20a8b8,#7753ce);box-shadow:0 12px 26px rgba(44,125,166,.24);font-size:23px}.modal__panel h2{margin:6px 0 8px;font-size:23px}.modal__panel--info h2{margin:0;font-size:18px}.modal__panel--info p{margin:9px 0 11px;color:var(--muted);font-size:11px;line-height:1.4}.modal__panel--info .button{min-height:32px;padding:5px 10px}.modal__panel--premium>p:not(.eyebrow){margin:0 auto 20px;color:var(--muted);line-height:1.6}.modal__panel--class-edit{width:min(420px,100%);padding:24px}.class-edit-field{display:grid;gap:7px;margin:16px 0}.class-edit-field span{font-size:10px;font-weight:800}.class-edit-field input{width:100%;min-height:42px;padding:9px 11px;border:1px solid var(--line);border-radius:10px;color:var(--ink);background:#fbfdff;font-weight:700}.class-edit-field input:focus{border-color:var(--brand);outline:3px solid rgba(18,149,173,.12)}.class-edit-actions{display:flex;justify-content:space-between;gap:8px}.button--delete-class{color:var(--danger);background:#fff0f2}.modal__panel--premium{padding:27px;text-align:center}.premium-star{display:grid;width:64px;height:64px;margin:0 auto 10px;place-items:center;border-radius:20px;color:#fff3bd;background:linear-gradient(145deg,#7b53d3,#b05cc2);box-shadow:0 12px 28px rgba(111,71,190,.28);font-size:34px}.premium-choices{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.premium-choices a{display:grid;gap:5px;padding:14px 9px;border:1px solid var(--line);border-radius:14px;color:var(--ink);background:#fbfdff;text-decoration:none}.premium-choices a:hover{border-color:#9dd5de;background:#f0fbfc}.premium-choices a>span{font-size:22px;color:var(--brand)}.premium-choices small{color:var(--muted);font-size:9px;line-height:1.35}.modal__panel--relations{width:min(780px,100%)}.modal__head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line)}.modal__close--inline{position:static}.relations-body{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:16px}.relations-body section{padding:13px;border:1px solid var(--line);border-radius:14px;background:#fbfdff}.relations-body h3{margin:0 0 3px}.relations-body p{margin:0 0 10px;color:var(--muted);font-size:10px}.relation-options{display:flex;flex-wrap:wrap;gap:6px}.relation-option{padding:7px 9px;border:1px solid #d7e1e8;border-radius:999px;color:#4b5f70;background:#fff;font-weight:700;cursor:pointer}.relation-option.is-active{color:#fff;border-color:var(--brand);background:var(--brand)}.relation-option.is-blocked{opacity:.45}.modal__actions{display:flex;justify-content:flex-end;padding:12px 16px;border-top:1px solid var(--line)}
.loading{z-index:140}.loading__panel{display:grid;width:min(360px,calc(100% - 24px));place-items:center;padding:28px;text-align:center}.loading__orbit{position:relative;width:76px;height:76px;margin-bottom:18px;border:3px solid #d5f0f3;border-radius:50%;animation:spin 1.4s linear infinite}.loading__orbit span,.loading__orbit i{position:absolute;border-radius:50%}.loading__orbit span{top:-7px;left:28px;width:16px;height:16px;background:var(--brand);box-shadow:0 0 18px rgba(18,149,173,.65)}.loading__orbit i{inset:19px;background:linear-gradient(145deg,#8a5bd5,#1295ad)}.loading__panel strong{font-size:17px}.loading__panel small{margin-top:5px;color:var(--muted)}@keyframes spin{to{transform:rotate(360deg)}}
.toast{position:fixed;z-index:160;right:16px;bottom:16px;max-width:min(380px,calc(100vw - 32px));padding:11px 14px;border-radius:12px;color:#fff;background:#213647;box-shadow:0 14px 30px rgba(15,23,42,.24);font-weight:700}.toast.is-error{background:#a92f45}
@media(max-width:760px){:root{--cell:56px}.app{padding:6px 6px 24px}.app-header{padding:8px}.app-header__mark{width:35px;height:35px;flex-basis:35px}.app-header__actions .button{width:36px;padding:7px}.app-header__actions .button span{display:none}.class-bar{align-items:stretch}.class-tabs{flex:1}.button--add-class{width:40px;padding:7px}.button--add-class span{display:none}.stepper{padding:6px}.stepper button{display:flex;align-items:center;justify-content:center;padding:5px}.stepper button>span{width:31px;height:31px}.stepper strong{display:none}.stepper i{min-width:10px}.panel-head{display:grid;padding:13px}.room-shell,.result-room-shell{width:calc(100% - 18px);margin-top:10px;padding:54px 12px 24px;border-radius:18px}.room-scroll{padding:3px}.grid-resizer--horizontal{right:-7px}.grid-resizer--vertical{bottom:-7px}.panel-footer{padding:10px}.panel-footer .button{font-size:11px}.constraint-list{grid-template-columns:repeat(2,minmax(0,1fr));padding:8px}.generate-zone{display:grid;margin:0 10px 10px}.button--generate{width:100%}.premium-choices{grid-template-columns:1fr}.relations-body{grid-template-columns:1fr}.modal{align-items:start;padding:8px 0}.modal__panel{width:100%;max-height:calc(100vh - 16px);max-height:calc(100dvh - 16px);border-radius:18px}.modal__panel--info{width:calc(100% - 16px);padding:13px}.modal__panel--premium{padding:22px 16px}.toast{right:8px;bottom:8px}.student-input{margin:12px}.student-preview{margin:0 12px 12px}.student-preview-head{margin:0 12px 8px}}
@media(max-width:420px){:root{--cell:51px}.class-tab__open{padding-left:9px}.room-shell{padding-inline:7px}.constraint-list{grid-template-columns:1fr}.chatter-toggle button{width:19px;height:19px}}
.table-seat,.student-seat{width:calc(var(--cell) - 17px);height:calc(var(--cell) * .6)}.table-seat::before{right:8px;bottom:-5px;left:8px;height:4px}.table-seat::after,.student-seat::after{top:calc(100% + 7px);width:20px;height:8px}.modal{z-index:2147483000}.loading{z-index:2147483010}.modal__backdrop,.loading::before{position:fixed;inset:-2px}
.class-tab__open{padding-right:7px}.constraint-list{display:flex;align-items:flex-start;align-content:flex-start;flex-wrap:wrap;gap:5px}.student-card{display:inline-grid;grid-template-columns:auto auto auto;flex:0 0 auto;min-height:38px;gap:5px;padding:4px 6px;border-radius:9px}.student-card>strong{max-width:150px;font-size:10px}.chatter-toggle button{width:17px;height:17px}.relations-button{width:27px;height:27px;font-size:13px}.table-seat,.room--result .table-seat{border-color:#dbe2e7;color:#82909a;background:linear-gradient(145deg,#fbfcfd,#edf1f4);box-shadow:0 3px 0 #d8e0e5,0 6px 10px rgba(71,85,105,.07)}.table-seat::before,.room--result .table-seat::before{background:#d8e0e5}.table-seat::after,.room--result .table-seat::after{border-color:#d8e0e5;background:#f5f7f8}.student-seat{display:grid;place-items:center;overflow:visible;overflow-wrap:normal;word-break:normal;hyphens:none;line-height:1.12}.student-seat.is-name-long{font-size:8px}.student-seat.is-name-xlong{font-size:7px}.notice details{margin-top:7px}.notice summary{width:max-content;max-width:100%;padding:3px 0;color:#68470c;font-size:11px;font-weight:800;cursor:pointer}.notice ul{display:grid;gap:4px;margin:7px 0 0;padding-left:18px;font-size:11px;font-weight:600}.notice li strong{font-weight:850}
.room--result{border-color:transparent;background:transparent;box-shadow:none}.room--result .room-cell{border-color:transparent;background:transparent}.room--result .room-cell:hover{background:transparent}.student-seat::after{border-color:color-mix(in srgb,var(--tone) 48%,#fff);background:color-mix(in srgb,var(--tone) 16%,#fff)}.student-seat__name{display:block;width:100%;min-width:0;max-width:100%;max-height:2.25em;overflow:visible;overflow-wrap:normal;word-break:normal;hyphens:manual;font-size:inherit;line-height:1.1;text-align:center}.result-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px}.result-related{display:grid;grid-template-columns:26px auto 12px;align-items:center;gap:7px;min-height:42px;padding:6px 9px;border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:11px;color:var(--ink);background:linear-gradient(135deg,var(--brand-soft),#fff);text-decoration:none}.result-related>span{display:grid;width:26px;height:26px;place-items:center;border-radius:8px;color:var(--brand-dark);background:#fff}.result-related strong{font-size:10px;white-space:nowrap}.result-related i{color:var(--brand);font-size:18px;font-style:normal}.result-related:hover{border-color:#9dd5de;box-shadow:0 6px 14px rgba(18,149,173,.09)}
@media(max-width:760px){.result-actions{display:grid;grid-template-columns:1fr;justify-items:stretch}.result-related{grid-template-columns:26px minmax(0,1fr) 12px}.result-related strong{white-space:normal}.result-actions .button{width:100%}}
.grid-size{top:10px}
@media print{.app-header,.class-bar,.stepper,.workspace,.panel-head .button,.result-legend{display:none!important}.result{border:0;box-shadow:none}.result-room-shell{width:100%;margin:0}}

/* Contrôles tactiles compacts des dimensions de la salle. */
.grid-size{position:static;display:flex;width:max-content;max-width:calc(100% - 36px);align-items:center;gap:6px;margin:12px 18px 0;padding:5px 7px;border:1px solid #d7e1e8;border-radius:11px;background:#f8fbfc;box-shadow:none;font-size:10px}.grid-size>strong{margin-right:1px;color:#4f626a}.grid-size__times{color:#71818b;font-size:12px}.grid-dimension{display:grid;grid-template-columns:30px 34px 30px;align-items:center;overflow:hidden;border:1px solid #cbd9df;border-radius:9px;background:#fff}.grid-dimension button{display:grid;width:30px;height:32px;place-items:center;padding:0;border:0;color:var(--brand-dark);background:#edf8fa;font-size:18px;font-weight:850;line-height:1;cursor:pointer}.grid-dimension button:active{color:#fff;background:var(--brand)}.grid-dimension button:focus-visible{position:relative;z-index:1;outline:2px solid rgba(18,149,173,.35);outline-offset:-2px}.grid-dimension output{display:grid;width:34px;height:32px;place-items:center;border-right:1px solid #dce5e9;border-left:1px solid #dce5e9;color:#314652;background:#fff;font-size:12px;font-weight:850;font-variant-numeric:tabular-nums;line-height:1;white-space:nowrap;overflow:hidden}.room-shell{margin-top:6px}

/* Toutes les cartes gardent exactement le même format compact. */
.constraint-list{display:grid;grid-template-columns:repeat(auto-fill,190px);align-items:stretch;align-content:start;justify-content:start;gap:5px}.student-card{display:grid;width:190px;grid-template-columns:minmax(0,1fr) auto auto;min-height:38px;height:38px;gap:5px;padding:4px 6px;border-radius:9px}.student-card>strong{min-width:0;max-width:none;font-size:10px}.chatter-toggle button{width:17px;height:17px}.relations-button{width:27px;height:27px;font-size:13px}

/* Les popups restent centrées dans la partie réellement visible de l'iframe. */
.modal,.loading{align-items:center;justify-items:center;padding:12px}.modal__panel,.loading__panel{max-height:calc(var(--visible-height,100dvh) - 24px)}
@media(max-width:760px){.grid-size{width:calc(100% - 18px);max-width:none;justify-content:center;margin:10px 9px 0;padding:5px}.grid-dimension{grid-template-columns:29px 32px 29px}.grid-dimension button{width:29px;height:32px}.grid-dimension output{width:32px}.modal,.loading{align-items:center;padding:8px}.modal__panel,.loading__panel{max-height:calc(var(--visible-height,100dvh) - 16px)}}

/* Sélecteurs de dimensions et commandes placées autour de la salle. */
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.grid-size label{display:block}.grid-size select{width:52px;height:34px;padding:2px 20px 2px 8px;border:1px solid #cbd9df;border-radius:9px;color:#314652;background:#fff;font-size:13px;font-weight:850;text-align:center;cursor:pointer}.grid-size select:focus{border-color:var(--brand);outline:2px solid rgba(18,149,173,.2)}
.room-shell{margin-top:24px;padding-top:66px;padding-inline:38px}.room-shell>.board{top:20px}.room-scroll{overflow:hidden}.room{width:100%;min-width:0;grid-template-columns:repeat(var(--cols),var(--cell));grid-template-rows:repeat(var(--rows),var(--cell))}
.grid-step{position:absolute;z-index:5;display:grid;place-items:center;width:34px;height:34px;padding:0;border:1px solid #b8c8cc;border-radius:50%;color:var(--brand-dark);background:#fff;box-shadow:0 4px 10px rgba(28,58,63,.14);font-size:21px;font-weight:850;line-height:1;cursor:pointer}.grid-step:active{color:#fff;background:var(--brand)}.grid-step--left{left:-17px;top:50%;transform:translateY(-50%)}.grid-step--right{right:-17px;top:50%;transform:translateY(-50%)}.grid-step--top{top:-17px;left:50%;transform:translateX(-50%)}.grid-step--bottom{bottom:-17px;left:50%;transform:translateX(-50%)}
@media(max-width:760px){.room-shell{width:calc(100% - 34px);margin-top:22px;padding-top:62px;padding-inline:32px}.room-shell>.board{top:18px}.result-room-shell{padding-inline:32px}.grid-step{width:30px;height:30px;font-size:19px}.grid-step--left{left:-15px}.grid-step--right{right:-15px}.grid-step--top{top:-15px}.grid-step--bottom{bottom:-15px}.room-cell{padding:1px}.table-seat,.student-seat{min-width:4px}.grid-size select{width:50px}}
@media(max-width:420px){.constraint-list{grid-template-columns:190px;justify-content:start}}

/* Les plans représentent uniquement les tables, sans chaise. */
.table-seat::after,.student-seat::after{display:none!important}

/* Le cadre du résultat épouse le rectangle réellement occupé. */
.result-room-shell{width:min(max(220px,calc(var(--useful-cols,6) * 68px + 82px)),calc(100% - 36px),1080px)}.result-room-shell .room-scroll{width:100%;margin-inline:auto}.result-room-shell .room{width:max-content;min-width:0;margin-inline:auto}.result-room-shell>.board{width:min(80%,248px)}
@media(max-width:760px){.result-room-shell{width:min(max(220px,calc(var(--useful-cols,6) * 68px + 66px)),calc(100% - 34px));padding-inline:32px}}

/* Avertissement de contraintes compact et dépliable. */
[data-result-warning]{padding:7px 11px;font-size:11px}[data-result-warning] details{margin:0}[data-result-warning] summary{display:flex;width:100%;align-items:center;justify-content:space-between;gap:8px;padding:0;list-style:none}[data-result-warning] summary::-webkit-details-marker{display:none}.notice-chevron{font-size:17px;line-height:1;transition:transform .15s ease}[data-result-warning] details[open] .notice-chevron{transform:rotate(180deg)}

/* Une seule pastille de bavardage, deux élèves minimum par ligne. */
.chatter-cycle{display:block;flex:0 0 auto;width:21px;height:21px;padding:0;border:2px solid #fff;border-radius:50%;background:var(--tone);box-shadow:0 0 0 2px var(--tone);cursor:pointer}.constraint-list{grid-template-columns:repeat(auto-fill,minmax(150px,190px))}.student-card{width:100%}
@media(max-width:760px){.constraint-list{grid-template-columns:repeat(2,minmax(0,1fr));width:100%;gap:5px}.student-card{width:100%;grid-template-columns:minmax(0,1fr) 21px 27px;padding-inline:5px}.student-card>strong{font-size:9px}.result-actions{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:stretch;gap:6px;width:100%}.result-actions .button,.result-related{width:100%;min-width:0;min-height:46px;height:100%;padding:5px 6px}.result-actions .button{font-size:9px;line-height:1.15}.result-related{grid-template-columns:20px minmax(0,1fr) 9px;gap:4px;border-left-width:3px}.result-related>span{width:20px;height:24px}.result-related strong{font-size:8px;line-height:1.15;white-space:normal}.result-related i{font-size:15px}}
@media(max-width:420px){.constraint-list{grid-template-columns:repeat(2,minmax(0,1fr));justify-content:stretch}}

.generate-zone{justify-content:center}@media(max-width:760px){.generate-zone{display:flex;justify-content:center}.generate-zone .button--generate{width:auto;max-width:100%}}

/* Popup d'aide sous forme d'infographie moderne. */
.modal__panel--info.is-infographic{width:min(480px,100%);padding:16px;background:linear-gradient(155deg,#fff 0,#f3fbfc 58%,#fffaf0 100%)}.modal__panel--info.is-infographic .modal__info-head{margin-bottom:10px}.info-infographic{margin:0;padding:5px;border:1px solid #d8e8ec;border-radius:17px;background:#fff;box-shadow:0 10px 24px rgba(18,83,99,.1);overflow:hidden}.info-infographic img{display:block;width:100%;height:auto;border-radius:12px}.modal__panel--info.is-infographic>p{margin:10px 2px;color:#405669;font-size:11px;line-height:1.45}.modal__panel--info.is-infographic>.button{width:100%;min-height:38px}
@media(max-width:760px){.modal__panel--info.is-infographic{width:calc(100% - 16px);padding:12px}.info-infographic{padding:3px;border-radius:14px}.info-infographic img{border-radius:10px}.modal__panel--info.is-infographic>p{margin-block:8px;font-size:10px}}