:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#233348;background:#fcfaf5;--bg:#fcfaf5;--ink:#233348;--muted:#677588;--line:#dce2e4;--navy:#1e394a;--teal:#16867e;--soft:#eaf7f3}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer}a{color:inherit}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #1ca695;outline-offset:3px}.wrap{max-width:1240px;padding:0 24px;margin:auto}.skip{position:absolute;left:-9999px;top:4px;padding:12px;background:#fff;z-index:10}.skip:focus{left:6px}.top{border-bottom:1px solid var(--line);background:#fffefb;position:sticky;top:0;z-index:5}.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:74px}.brand{text-decoration:none;font-weight:800;letter-spacing:-.04em;font-size:1.26rem;white-space:nowrap}.brand b{color:var(--teal)}.brand-icon{display:inline-grid;place-items:center;background:var(--navy);width:31px;height:31px;border-radius:9px;color:#fff;vertical-align:middle;margin-right:7px}.nav nav{display:flex;gap:24px}.nav nav a{text-decoration:none;font-weight:650;font-size:.92rem;color:#566474}.nav nav a:hover{color:#07877e}.button,.file-button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--navy);border-radius:10px;background:var(--navy);color:#fff;font-weight:700;font-size:.88rem;padding:12px 16px;text-align:center;min-height:43px;text-decoration:none;white-space:nowrap;cursor:pointer}.button.small{padding:10px 14px;min-height:36px}.button.outline,.file-button{background:#fff;color:var(--navy);border-color:#cdd6da}.button.ghost{background:transparent;color:var(--muted);border-color:transparent}.button:hover,.file-button:hover{filter:brightness(.94)}.button:disabled{cursor:not-allowed;opacity:.35}.eyebrow{font-size:.72rem;letter-spacing:.14em;font-weight:900;color:#0e877f}.hero{display:grid;grid-template-columns:1.75fr 1fr;gap:34px;align-items:center;padding:52px 0 40px}.hero h1{font-size:clamp(2.1rem,4.2vw,3.6rem);line-height:1.06;letter-spacing:-.055em;max-width:700px;margin:12px 0}.hero p{font-size:1.06rem;line-height:1.65;color:var(--muted);max-width:690px}.hero-tags{display:flex;gap:8px;flex-wrap:wrap}.hero-tags span{border-radius:100px;border:1px solid #d6e6e2;color:#26796d;padding:7px 12px;background:#eef8f3;font-size:.77rem;font-weight:800}.hero-note{background:var(--navy);border-radius:20px;padding:30px;color:#fff;box-shadow:0 15px 30px #1f394a18}.hero-note strong{font-size:1.45rem}.hero-note p{color:#dbf3ed;font-size:.91rem}.dot{display:inline-block;color:#50d4b9;margin-right:10px}.editor{display:grid;grid-template-columns:350px minmax(0,1fr);gap:20px;align-items:start}.sidebar{display:grid;gap:15px}.panel,.board-panel,.saved,.info,.install{background:#fff;border:1px solid var(--line);border-radius:19px;padding:24px;box-shadow:0 7px 16px #263c4a08}.panel-heading{display:flex;gap:12px;align-items:center;margin:0 0 14px}.step{width:34px;height:34px;border-radius:50%;background:#e7f6f2;color:#137e72;display:grid;place-items:center;font-weight:900;font-size:.85rem}.panel h2{font-size:1.07rem;margin:0}.panel-heading p{margin:2px 0 0;color:var(--muted);font-size:.77rem}.panel label,.search-label{display:block;font-size:.83rem;font-weight:750;color:#3e5261;margin-bottom:12px}
.saved-search-tools{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem;margin:-.25rem 0 1rem}
.saved-search-tools .tiny{flex:1 1 11rem}
.saved-search-tools button[hidden]{display:none!important}.panel input,.panel textarea,.panel select,.search-label input{display:block;width:100%;padding:11px 12px;margin-top:6px;border:1px solid #cdd7dc;border-radius:9px;color:var(--ink);background:#fff;font-weight:500}.panel textarea{resize:vertical}.columns{display:grid;grid-template-columns:1fr 1fr;gap:10px}.inline-actions{display:flex;gap:6px;flex-wrap:wrap}.inline-actions .button,.inline-actions .file-button{font-size:.77rem;padding:8px 10px;min-height:36px}.tiny{font-size:.78rem;line-height:1.5;color:#667688}.action-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.action-grid .button{font-size:.76rem;padding:9px 6px}.board-panel{min-width:0;padding:26px}.board-header{display:flex;align-items:start;justify-content:space-between;flex-wrap:wrap;gap:15px}.board-header h2{font-size:1.55rem;letter-spacing:-.035em;margin:6px 0}.board-header p{font-size:.84rem;color:var(--muted);margin:0}.board-actions{display:flex;gap:8px;flex-wrap:wrap}.board-wrap{background:#f3f7f6;border-radius:16px;border:1px dashed #bfceca;min-height:390px;margin-top:24px;padding:26px 16px 22px;overflow:auto}.whiteboard{max-width:340px;width:85%;margin:0 auto 25px;background:#fff;border:2px solid #c9d5d8;border-radius:6px;color:#6e7d89;padding:11px;text-align:center;letter-spacing:.08em;font-size:.67rem;font-weight:850}.board{display:grid;grid-template-columns:repeat(5,minmax(92px,1fr));column-gap:12px;row-gap:16px;margin:0 auto;max-width:850px;align-items:start}.board-empty{text-align:center;padding:75px 8px;color:#6e7d89;line-height:1.8}.seat{position:relative;background:#fff;border:1px solid #d2dedd;border-bottom:4px solid #aec4c5;border-radius:10px;padding:7px 5px;min-height:99px;text-align:center;min-width:0;box-shadow:0 2px 8px #1e394a09}.seat-number{font-size:.63rem;color:#829097;font-weight:800}.occupant{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:transparent;border:0;color:#253d50;width:100%;min-height:56px;font-size:.78rem;font-weight:750;line-height:1.15;overflow-wrap:anywhere;padding:2px}.occupant svg{width:19px;height:19px;stroke:#4c908c}.seat.selected{outline:3px solid #209b8d;outline-offset:2px}.seat.pinned{border-bottom-color:#e9af6d;background:#fffcf4}.pin{position:absolute;right:5px;top:5px;border:0;background:transparent;color:#79858c;font-size:.87rem;min-width:28px;min-height:28px}.seat.pinned .pin{color:#a46a2a}.layout-pairs .seat:nth-child(even){margin-right:13px}.layout-pods .seat:nth-child(4n+1),.layout-pods .seat:nth-child(4n+2){border-top:4px solid #9accbb}.layout-u-shape{grid-template-columns:repeat(6,minmax(76px,1fr));}.legend{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-top:14px;font-size:.74rem;color:var(--muted)}.status{font-size:.85rem;min-height:22px;color:#167870;font-weight:700}.saved{margin-top:28px}.saved-top{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}.saved h2,.info h2,.install h2{font-size:1.8rem;letter-spacing:-.04em;margin:7px 0}.saved p,.info p,.install p{color:var(--muted);line-height:1.5}.saved-controls{display:flex;flex-wrap:wrap;gap:7px}.saved-controls .button,.saved-controls .file-button{font-size:.8rem;padding:9px 12px;min-height:37px}.search-label{max-width:400px;margin:18px 0 12px}.saved-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(225px,1fr));gap:12px}.save-card{border:1px solid #dbe3e1;background:#fbfdfd;border-radius:13px;padding:15px}.save-card small{font-size:.72rem;color:#75908e}.save-card h3{margin:7px 0;font-size:1.06rem}.save-card p{font-size:.77rem;margin:5px 0 15px}.save-card-actions{display:flex;gap:5px;flex-wrap:wrap}.save-card-actions button{padding:6px 8px;font-size:.72rem;border-radius:7px;border:1px solid #c8d9d5;background:white;color:#344c53;font-weight:750}.save-empty{border:1px dashed #b6c7c6;border-radius:12px;padding:25px;color:#637a7f}.info{display:grid;grid-template-columns:1.2fr 1fr;gap:45px;margin-top:28px}.info h3{margin-top:0}.info details{border-bottom:1px solid var(--line);padding:12px 0}.info summary{font-weight:750;cursor:pointer}.install{margin:28px 0;background:linear-gradient(105deg,#e9f7f2,#f8fcfa)}.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;border-top:1px solid var(--line);padding:22px 24px;color:var(--muted);font-size:.74rem}@media(max-width:1050px){.editor{grid-template-columns:310px minmax(0,1fr)}.board{grid-template-columns:repeat(4,minmax(85px,1fr))}.layout-u-shape{grid-template-columns:repeat(6,minmax(60px,1fr))}}@media(max-width:790px){.nav nav{display:none}.hero{grid-template-columns:1fr;padding:34px 0}.hero-note{padding:20px}.editor{grid-template-columns:1fr}.sidebar{grid-template-columns:1fr 1fr}.sidebar .panel:last-child{grid-column:span 2}.board{grid-template-columns:repeat(5,minmax(70px,1fr))}.info{grid-template-columns:1fr}}@media(max-width:560px){.wrap{padding:0 13px}.nav{min-height:62px}.brand{font-size:.98rem}.nav-save{font-size:.72rem!important;padding:8px!important}.hero h1{font-size:2.15rem}.sidebar{grid-template-columns:1fr}.sidebar .panel:last-child{grid-column:span 1}.panel,.board-panel,.saved,.info,.install{padding:16px}.board-wrap{padding:15px 8px;min-height:300px}.board{grid-template-columns:repeat(3,minmax(74px,1fr));gap:8px}.layout-u-shape{grid-template-columns:repeat(6,minmax(42px,1fr))}.layout-u-shape .seat{font-size:.6rem;min-height:80px}.occupant{font-size:.72rem}.board-actions .button{font-size:.78rem}.whiteboard{margin-bottom:16px}.seat{min-height:87px}}@media print{.board.layout-u-shape{grid-template-columns:repeat(6,minmax(0,1fr))!important}.top,.hero,.sidebar,.board-actions,.legend,.status,.saved,.info,.install,footer,.pin,.skip{display:none!important}html,body{background:#fff!important}body{font-size:11pt}.wrap{max-width:none;padding:0}.editor{display:block}.board-panel{box-shadow:none;border:0;padding:0}.board-wrap{background:#fff;border:0;padding:0;overflow:visible;min-height:0}.board{grid-template-columns:repeat(5,1fr)!important;gap:8pt!important;max-width:none}.seat{break-inside:avoid;min-height:62pt;border:1px solid #888}.occupant{min-height:44pt}.whiteboard{margin:0 auto 14pt;border-color:#888}.board-header h2{font-size:20pt}.board-header p{color:#333}.seat-number{color:#444}.seat.pinned{background:#fff}a{color:#000}}

input[hidden], [hidden]{display:none!important}

/* Stable geometry at every viewport; narrow displays pan within the room. */
.board{grid-template-columns:repeat(var(--cols,6),minmax(76px,1fr))!important;gap:12px;min-width:calc(var(--cols,6)*88px)}
.layout-pairs{column-gap:8px}.layout-pairs .seat:nth-child(even){margin-right:0}
.layout-pairs .seat:nth-child(2n){border-right:5px solid #9accbb}
.layout-pods .seat{border-top:4px solid #9accbb}
.layout-pods .seat:nth-child(2n){margin-right:8px}
.occupant,.pin{min-height:44px}.pin{top:-4px;right:-4px;min-width:36px}.seat-number{display:block;padding-right:20px}
.board-wrap{max-width:100%}.board-wrap:focus-visible{outline:3px solid #16867e}
@media print{
 @page{margin:10mm}
 .board{min-width:0!important;grid-template-columns:repeat(var(--cols,6),minmax(0,1fr))!important;gap:3pt!important}
 .board.layout-u-shape{grid-template-columns:repeat(var(--cols,6),minmax(0,1fr))!important}
 .seat{height:calc(210mm / var(--rows,10));min-height:0;max-height:28mm;padding:2pt;box-shadow:none;overflow:hidden}
 .occupant{min-height:0;height:75%;font-size:clamp(4pt,calc(100pt / var(--rows,10)),10pt);padding:0;gap:0}
 .occupant svg{display:none}.seat-number{font-size:4pt;padding:0}.board-header h2{font-size:16pt;margin:0}.board-header p{font-size:8pt}
 #draft-status{display:none}.whiteboard{padding:4pt;margin-bottom:8pt}.seat.selected{outline:0}
}
@media(max-width:560px){.nav{gap:8px}.brand{font-size:.86rem;white-space:normal;max-width:245px}.brand-icon{width:25px;height:25px;margin-right:3px}.nav #nav-save{font-size:.72rem;padding:8px}}
@media print{
 .seat{height:calc(185mm / var(--rows,10))}
 .layout-pods .seat:nth-child(2n){margin-right:0}
 .occupant{font-size:clamp(4pt,calc(90pt / var(--rows,10)),9pt);line-height:1.1}
}
.seat-number{color:#56656e}.file-button:focus-visible{outline:3px solid #16867e;outline-offset:3px}

.print-name{display:none}
@media print{
 .screen-name{display:none}.print-name{display:block;max-width:100%;overflow-wrap:anywhere}
 .occupant{height:calc(100% - 7pt);line-height:1.05;overflow:visible}
}
@media print{.print-name{flex-shrink:0}.occupant{justify-content:flex-start}}
@media print{.print-name{line-height:1.05}}
@media print{.board-panel{width:185mm;max-width:100%;margin:0 auto}}
@media print{.board-panel{max-width:none}}
/* Keep small labels readable on their light surfaces. */
:root{--muted:#5e6b7a;--teal:#10766f}
.eyebrow{color:#08746d}.step{color:#116f65}.save-card small{color:#4f6b68}.nav nav a:hover{color:#08746d}
.whiteboard,.board-empty,.pin{color:#52616f}.seat.pinned .pin{color:#89551d}

.board-header>div:first-child{min-width:0;max-width:100%;overflow-wrap:anywhere}.save-card{overflow-wrap:anywhere}

@media print{.occupant{height:auto}.seat-number{line-height:1.2}}

/* Suggestions stay separate from saved classroom data and printed charts. */
.feedback{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:34px;margin:28px 0;background:#f2faf6;scroll-margin-top:90px}
.feedback h2{font-size:1.8rem;letter-spacing:-.04em;margin:8px 0 14px}.feedback p{line-height:1.6;color:#52616f}.feedback-privacy{background:#fff;border-left:3px solid #16867e;border-radius:8px;padding:14px}.feedback form,.feedback fieldset{min-width:0}.feedback fieldset{border:0;padding:0;margin:0}.feedback label{display:block}.feedback input,.feedback textarea,.feedback select{max-width:100%;width:100%}.feedback textarea{resize:vertical}.feedback-status{min-height:1.5em;font-size:.85rem;font-weight:700;overflow-wrap:anywhere}.feedback #suggestion-email-note{margin-top:-5px}.feedback #suggestion-preview{margin-top:12px}.feedback #suggestion-text{background:#fff}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.feedback .inline-actions{flex-wrap:wrap}
@media(max-width:790px){.feedback{grid-template-columns:1fr;gap:16px}}
@media print{.feedback{display:none!important}}