:root{--ink:#404356;--sub:#777987;--paper:#fffaf2;--white:#fff;--yellow:#ffe2a0;--coral:#ff8292;--mint:#80d9c0;--blue:#8bc7f3;--lilac:#c7b0ee;--stroke:#eee8e4;--shadow:0 18px 48px rgba(155,126,103,.10);font-family:ui-rounded,"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",Meiryo,system-ui,sans-serif;color-scheme:light}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink)}button,input,textarea{font:inherit}button{cursor:pointer;-webkit-tap-highlight-color:transparent}button:disabled{cursor:not-allowed;opacity:.50}button:focus-visible,input:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid #368c91;outline-offset:3px}button{touch-action:manipulation}a{color:inherit} [hidden]{display:none!important}
.shell{min-height:100dvh;overflow-x:hidden;background:radial-gradient(circle at 10% 8%,#fff0df 0,transparent 29%),radial-gradient(circle at 92% 14%,#eaf9f7 0,transparent 27%),var(--paper)}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:91px}.brand{display:flex;align-items:center;gap:11px}.brand-mark{width:48px;height:48px;position:relative;flex:none}.brand-mark span:first-child{position:absolute;inset:8px 11px 4px 0;width:38px;height:36px;display:grid;place-items:center;font-size:25px;font-weight:900;border-radius:13px;background:var(--mint);border:3px solid #fff;box-shadow:0 4px 12px #d4e0d4}.brand-mark span:last-child{position:absolute;top:-1px;right:-2px;display:grid;place-items:center;width:23px;height:23px;border-radius:50%;border:2px solid #fff;background:var(--coral);color:white;font-size:14px}.brand-text{font-size:25px;font-weight:1000;letter-spacing:-.8px;line-height:1}.brand-text b{color:#f16d81}.brand-text small{display:block;color:#98949e;font-weight:750;font-size:10px;letter-spacing:0;margin-top:6px}.top-link{text-decoration:none;font-size:12px;font-weight:900;border:1px solid var(--stroke);border-radius:11px;padding:12px 15px;background:#fff;white-space:nowrap}
.intro{text-align:center;padding:23px 0 19px}.eyebrow{display:inline-flex;align-items:center;gap:6px;border:1px solid #f4dcce;border-radius:999px;background:#fff5e9;color:#d57d65;font-size:11px;font-weight:950;padding:8px 15px}.sparkle{font-size:16px}.intro h1{font-size:clamp(29px,4.6vw,51px);letter-spacing:-.055em;margin:13px 0 6px;line-height:1.25}.intro h1 span{color:#f17888}.intro p{font-size:14px;font-weight:650;color:var(--sub);margin:10px 0}.highlights{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:17px}.highlights span{font-size:11px;font-weight:850;background:#fff;padding:8px 12px;border:1px solid var(--stroke);border-radius:100px}
.stepper{display:flex;align-items:center;justify-content:center;gap:12px;margin:21px auto 22px}.step{border:1px solid #ebe4df;border-radius:100px;background:#fff;color:#8a8891;padding:10px 20px;display:flex;align-items:center;gap:9px;min-height:47px;font-weight:900;font-size:13px}.step .num{display:grid;place-items:center;background:#f2f0ef;border-radius:50%;height:26px;width:26px;font-size:12px}.step.active{color:#483c3f;background:#ffe3a5;border-color:#f6cc73;box-shadow:0 6px 18px #e9c98a38}.step.active .num{background:#fff}.step.done{background:#eaf8f1;border-color:#c4e8d8;color:#4b7967}.step-arrow{font-weight:1000;font-size:24px;color:#c4bbb6}
.workbench{display:grid;grid-template-columns:minmax(290px,385px) minmax(0,1fr);align-items:stretch;gap:18px}.setup-panel,.classroom-panel{background:rgba(255,255,255,.97);box-shadow:var(--shadow);border:1px solid #f3eeeb;border-radius:23px}.setup-panel{padding:26px 24px;display:flex;flex-direction:column;min-width:0}.panel-step{flex:1}.panel-kicker{font-size:11px;font-weight:1000;letter-spacing:.12em;color:#f16d81}.panel-kicker span{letter-spacing:0;color:#aaa1a1;margin-left:6px}.panel-step h2{font-size:23px;letter-spacing:-.045em;line-height:1.35;margin:9px 0 7px}.step-explainer{color:var(--sub);font-size:12px;line-height:1.75;margin:0 0 22px}.field-label{display:flex;align-items:center;justify-content:space-between;font-weight:900;font-size:12px;margin-bottom:9px}.field-hint{font-size:10px;color:#9a96a0;font-weight:700}textarea{display:block;width:100%;height:230px;border-radius:13px;border:1.5px solid #e7e2e4;background:#fffdfb;padding:15px;font-size:15px;line-height:1.7;color:var(--ink);resize:vertical;min-height:120px}textarea::placeholder{color:#b4afb4;opacity:1}.roster-line{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:10px;font-size:11px;color:#7e8291;font-weight:850}.text-btn{border:0;background:transparent;color:#c27363;padding:6px 0;font-size:11px;font-weight:950;text-align:right}.micro-copy{font-size:10px;line-height:1.8;color:#908d98;margin:9px 0 18px}.btn{min-height:50px;display:inline-flex;gap:8px;align-items:center;justify-content:center;padding:11px 12px;border-radius:13px;border:0;font-size:14px;font-weight:950;transition:transform .12s,filter .12s}.btn:active{transform:scale(.985)}.btn-primary{background:linear-gradient(125deg,#ffcd79,#ffba69);color:#554031;box-shadow:0 7px 18px #e5b87555}.btn-light{background:#fff;border:1px solid #eee5e1;color:var(--ink)}.wide{width:100%}.sub-button{margin-top:10px}.error-msg{font-size:12px;font-weight:800;line-height:1.5;background:#fff0ee;border:1px solid #fac3bd;border-radius:10px;color:#b43a3a;padding:10px;margin:10px 0}.local-note{display:flex;align-items:flex-start;gap:9px;background:#f7fbf8;border:1px solid #e7f0e9;border-radius:12px;padding:12px 11px;margin-top:22px}.local-note>span{color:#58b99e;font-weight:bold;font-size:15px}.local-note div{flex:1;min-width:0}.local-note strong{font-size:10px;display:block;color:#5c7d70}.local-note small{display:block;font-size:9px;line-height:1.65;margin-top:3px;color:#929b96}.delete-link{border:0;background:transparent;font-size:10px;font-weight:800;color:#a6817e;padding:2px 0 5px}
.classroom-panel{min-width:0;padding:24px 26px 20px;display:flex;flex-direction:column}.preview-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.preview-kicker{font-size:10px;letter-spacing:.15em;font-weight:950;color:#a19ca9}.preview-top h2{margin:4px 0 0;font-size:22px;letter-spacing:-.055em}.preview-badge{white-space:nowrap;border-radius:100px;background:#e9f8f2;color:#4f8c77;padding:8px 11px;font-size:11px;font-weight:900}.board{width:min(70%,365px);margin:20px auto 23px;border-radius:10px;background:#b9eada;box-shadow:inset 0 0 0 2px #9edcc8;color:#4b8575;display:flex;flex-direction:column;align-items:center;padding:9px 8px 7px}.board span{font-size:17px;letter-spacing:.27em;font-weight:950}.board small{font-size:9px;font-weight:950;letter-spacing:.06em}.seat-zone{display:flex;align-items:flex-start;justify-content:center;flex:1;min-height:300px;padding:0 0 15px;overflow-x:auto;scrollbar-width:thin}.seat-grid{--cols:5;display:grid;grid-template-columns:repeat(var(--cols),minmax(0,1fr));gap:9px;width:min(100%,590px);align-content:start}.seat{min-width:0;position:relative;min-height:53px;aspect-ratio:1.37;border:1px solid #e9dccc;border-radius:11px;background:#fff2da;color:#605754;display:flex;align-items:center;justify-content:center;padding:3px;font-size:13px;font-weight:950;line-height:1.2;text-align:center;overflow-wrap:anywhere;word-break:break-word;transition:background .12s,outline .12s,transform .12s}.seat .seat-number{position:absolute;top:3px;left:5px;font-weight:700;font-size:8px;color:#b6a5a3}.seat.off{border:2px dashed #e2dfde;background:#fbfbfa;color:#beb9b9;box-shadow:none}.seat.off .seat-number{display:none}.seat.seated{background:#f9e7ed;border-color:#f3c9d4}.seat.seated.tone-1{background:#d9f3ed;border-color:#b5e8d9}.seat.seated.tone-2{background:#e6ecff;border-color:#cad8fa}.seat.seated.tone-3{background:#fff1d4;border-color:#f4dba1}.seat.seated .student-name{font-size:clamp(9px,1.2vw,14px);font-weight:950}.seat .empty-label{font-size:11px;color:#b3a8a6}.seat.is-selected{outline:3px solid #f3798d;outline-offset:2px;z-index:1;transform:scale(1.04);background:#ffe3ea}.seat:disabled{opacity:1;cursor:default}.seat.off:disabled{opacity:.65}.legend{display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap;margin:8px 0 10px}.legend span{font-size:10px;font-weight:850;color:#898893;display:flex;align-items:center;gap:6px}.legend-dot{display:inline-block;width:11px;height:11px;border-radius:3px}.legend-dot.on{background:#ffe1b0;border:1px solid #f1d5ab}.legend-dot.off{background:#fff;border:1px dashed #c8c4c4}.preview-foot{border-top:1px dashed #eee8e4;padding-top:15px;color:#918f98;font-size:11px;line-height:1.65;text-align:center;font-weight:700}.mobile-action{display:none}
.presets{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:8px}.preset{border:1px solid #e8e2df;border-radius:11px;padding:10px 9px;background:#fff;color:#5b5c6b;font-size:11px;font-weight:950;display:flex;align-items:center;justify-content:center;gap:6px;min-height:46px}.preset-icon{font-size:20px;line-height:1;color:#f3a363}.preset.active{border-color:#f8c68b;background:#fff0d5;color:#694f3a}.dimensions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}.dimensions label{font-size:12px;font-weight:950}.dimensions label span{font-size:10px;color:#898594;font-weight:700}.dimensions input{display:block;margin-top:8px;width:100%;height:42px;border-radius:10px;border:1.5px solid #e7e2df;background:#fff;text-align:center;color:var(--ink);font-weight:950}.shape-tip{display:flex;gap:10px;padding:12px;background:#ebf8f4;border:1px solid #d2ede4;border-radius:12px}.tip-hand{font-size:20px;line-height:1.3}.shape-tip b{display:block;font-size:11px;color:#477a68}.shape-tip small{display:block;font-size:10px;line-height:1.6;color:#66897b;margin-top:4px}.seat-count-status{padding:13px 0;color:#737784;font-size:12px;font-weight:900;line-height:1.6}.seat-count-status strong{color:#3e8f75}.seat-count-status.bad{color:#d26b68}
.result-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin:18px 0}.result-stats>div{background:#f8f8f9;border:1px solid #f0ebeb;border-radius:12px;padding:12px 4px;text-align:center}.result-stats small{display:block;color:#82818b;font-weight:850;font-size:10px}.result-stats strong{display:block;font-size:26px;letter-spacing:-.04em;margin-top:3px}.result-stats em{font-style:normal;font-size:10px;margin-left:2px}.swap-status{border-radius:12px;padding:12px 10px;background:#edf9f5;color:#608c7b;text-align:center;font-size:11px;font-weight:850;line-height:1.6;margin-bottom:13px}.two-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:10px}.two-actions .btn{font-size:12px}.two-links{display:flex;justify-content:center;gap:18px;margin-top:15px}.two-links button{border:0;background:transparent;color:#9a7d85;font-size:11px;font-weight:950;padding:5px}
.simple-guide{padding:31px 0 45px;text-align:center}.simple-guide h2{font-size:20px;letter-spacing:-.025em;margin:10px 0 22px}.guide-list{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;max-width:800px;margin:auto}.guide-list>div{padding:18px;border:1px solid #f1e8e1;border-radius:15px;background:rgba(255,255,255,.7)}.guide-list span{display:block;color:#ed8490;font-size:11px;font-weight:1000;letter-spacing:.1em;margin-bottom:6px}.guide-list b{font-size:14px}.guide-list p{font-size:11px;color:#95919a;margin:7px 0 0}.footer{display:flex;justify-content:space-between;gap:15px;border-top:1px solid #ede3db;padding:23px 0 30px;font-size:10px;color:#a49ca4;font-weight:750}
.stage{position:fixed;inset:0;z-index:30;background:#fffaf2;display:flex;flex-direction:column;overflow:auto;padding:0 24px}.stage-header{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 20px;border-bottom:1px solid #eee3da}.stage-header>div:first-child{display:flex;align-items:center;gap:13px}.stage-header strong{font-size:20px;font-weight:1000;color:#ee7185}.stage-header span{font-size:13px;color:#81808d;font-weight:800}.stage-controls{display:flex;gap:8px}.stage-btn{min-height:42px;padding:8px 15px;border:1px solid #e7e0dc;background:#fff;border-radius:10px;color:#555565;font-size:12px;font-weight:950}.stage-close{background:#ffe2a0;border-color:#fbd49c}.stage-content{width:min(100%,1350px);margin:auto;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px 0}.stage-board{margin:0 auto 23px;width:min(50%,520px);padding:10px}.stage-seat-zone{width:min(100%,1300px);display:flex;justify-content:center;overflow:auto}.stage .seat-grid{width:100%;gap:clamp(7px,1vw,16px)}.stage .seat{min-height:45px;aspect-ratio:1.65;border-radius:14px;font-size:clamp(10px,2vw,22px)}.stage .seat .student-name{font-size:clamp(12px,2.2vw,25px)}.stage .seat .seat-number{font-size:10px}.stage .seat .empty-label{font-size:clamp(10px,1.25vw,18px)}.stage-note{text-align:center;color:#8a8993;font-size:13px;margin:21px 0 0}.toast{position:fixed;z-index:100;bottom:22px;left:50%;transform:translateX(-50%);border-radius:12px;background:#404356;color:#fff;padding:13px 20px;font-size:12px;font-weight:850;box-shadow:0 10px 35px #2223;text-align:center;max-width:calc(100vw - 36px)}
@media(max-width:850px){.workbench{grid-template-columns:1fr}.setup-panel{order:0}.classroom-panel{order:1}.seat-zone{min-height:auto}.seat-grid{max-width:590px}.panel-step{flex:initial}.classroom-panel{padding:23px}.mobile-action{display:inline}.stage{padding:0 12px}}
@media(max-width:550px){.wrap{width:calc(100% - 24px)}.site-header{min-height:75px}.brand-text{font-size:21px}.brand-text small{font-size:8px}.brand-mark{transform:scale(.85);transform-origin:left;margin-right:-5px}.top-link{font-size:10px;padding:10px 9px}.intro{padding:16px 0 10px}.intro h1{font-size:32px;letter-spacing:-.055em}.intro p{font-size:12px;line-height:1.65;margin:8px 0}.highlights{gap:5px;margin-top:14px}.highlights span{font-size:9px;padding:6px 7px}.eyebrow{font-size:9px}.stepper{gap:3px;margin:14px auto}.step{min-height:45px;padding:6px 7px;font-size:10px;gap:5px}.step .num{width:20px;height:20px;font-size:10px}.step-arrow{font-size:16px}.workbench{gap:14px}.setup-panel{padding:22px 17px}.panel-step h2{font-size:21px}.classroom-panel{padding:19px 13px}.preview-top h2{font-size:19px}.preview-badge{font-size:9px;padding:7px 9px}.board{margin:17px auto 18px;width:70%}.board span{font-size:14px}.seat-grid{gap:5px}.seat{min-height:35px;aspect-ratio:1.25;border-radius:7px;font-size:11px}.seat .student-name{font-size:clamp(8px,2.6vw,13px)}.seat .seat-number{font-size:7px;top:2px;left:3px}.seat .empty-label{font-size:9px}.preview-foot{font-size:10px}.guide-list{gap:6px}.guide-list>div{padding:10px 3px}.guide-list b{font-size:10px}.guide-list p{font-size:9px}.simple-guide h2{font-size:16px}.stage-header{padding:13px 2px;gap:8px}.stage-header>div:first-child{display:block}.stage-header strong{font-size:16px}.stage-header span{display:block;font-size:9px}.stage-btn{font-size:9px;padding:7px 9px;min-height:36px}.stage .seat-grid{gap:4px}.stage .seat{min-height:28px;border-radius:6px;aspect-ratio:1.15;padding:2px}.stage .seat .student-name{font-size:clamp(8px,2.7vw,15px)}.stage .seat .seat-number{display:none}.stage-board{width:75%;margin-bottom:16px}.stage-note{font-size:10px}.footer{flex-direction:column;gap:5px;text-align:center}}
@media print{.site-header,.intro,.stepper,.setup-panel,.simple-guide,.footer,.preview-foot,.legend,.stage-controls{display:none!important}.wrap{width:100%}.classroom-panel{box-shadow:none;border:0}.workbench{display:block}.classroom-panel{break-inside:avoid}.seat-grid{gap:8px}.seat{print-color-adjust:exact;-webkit-print-color-adjust:exact}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.mobile-jump{display:none;margin-top:12px;font-size:12px}@media(max-width:850px){.mobile-jump{display:flex}}

.mobile-draw{display:none;margin:15px 0 5px}@media(max-width:850px){.mobile-draw.visible{display:flex}}

/* Phase 1.1: a single, tappable seat-layout editor. */
.stepper-dimensions{margin:18px 0 12px;gap:12px}
.dimension-field{background:#fff9f0;border:1px solid #f2e8d8;border-radius:13px;padding:11px 10px 12px;min-width:0}
.dimension-title{display:block;text-align:center;font-size:12px;font-weight:950;margin-bottom:9px}
.dimension-title small{font-size:10px;color:#8b8590}
.dimension-control{display:flex;gap:7px;align-items:center;justify-content:space-between}
.dimension-control button{display:grid;place-items:center;flex:0 0 38px;height:38px;border:1px solid #eadfd6;background:#fff;border-radius:10px;font-size:23px;line-height:1;font-weight:800;color:#585362}
.dimension-control button:disabled{opacity:.35}
.dimension-control output{font-weight:1000;font-size:23px;min-width:21px;text-align:center;color:#404356}
.shape-actions{display:flex;justify-content:flex-end;margin:0 0 14px}
.shape-actions .btn{font-size:11px;min-height:36px;padding:6px 13px}
.name-match{border:1px solid #d9efe6;border-radius:12px;background:#eff9f5;padding:11px 12px;color:#517a6a;font-size:12px;font-weight:850;line-height:1.65;margin-bottom:15px}
.name-match.warning{background:#fff1e7;border-color:#f3cec0;color:#b3534d}
.name-match.neutral{background:#f8f8f8;border-color:#eee;color:#777987}
#rosterSeatGuide{color:#4d8771}
.seat.off{background:#f5f5f4;border:2px dashed #d5d1d0;color:#96959a}
.seat.off:not(:disabled){font-size:24px;font-weight:700;line-height:1}
.seat.off:not(:disabled):hover{background:#ecf8f3;border-color:#87c9b4;color:#3a8c72}
.seat:not(.off):not(:disabled):hover{filter:brightness(.96)}
.seat:active:not(:disabled){transform:scale(.96)}
@media(max-width:850px){.seat-zone{min-width:0;width:100%;justify-content:flex-start}.seat-grid{width:100%;grid-template-columns:repeat(var(--cols),minmax(40px,1fr))}.stage-seat-zone{justify-content:flex-start}.stage .seat-grid{width:100%;grid-template-columns:repeat(var(--cols),minmax(40px,1fr))}}
@media(max-width:550px){.dimension-field{padding:9px 6px 10px}.dimension-control{gap:2px}.dimension-control button{flex-basis:36px;width:36px;height:38px}.dimension-control output{font-size:22px}.stepper-dimensions{gap:9px}.seat.off:not(:disabled){font-size:20px}.seat-grid{grid-template-columns:repeat(var(--cols),minmax(39px,1fr))}.stage .seat-grid{grid-template-columns:repeat(var(--cols),minmax(38px,1fr))}}

/* Phase 2: optional rules without adding a new mandatory step. */
.advanced-settings{border:1px solid #e9e3ed;border-radius:14px;background:#fbfaff;margin:0 0 16px;overflow:hidden}
.advanced-settings summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:8px;cursor:pointer;padding:13px 14px;color:#64617a}
.advanced-settings summary::-webkit-details-marker{display:none}.advanced-settings summary b{font-size:12px;display:block}.advanced-settings summary small{display:block;color:#9693a5;font-weight:700;font-size:10px;margin-top:3px}.adv-chevron{font-size:19px;transition:transform .2s}.advanced-settings[open] .adv-chevron{transform:rotate(180deg)}
.advanced-body{padding:0 13px 13px}.advanced-block{padding:15px 0;border-top:1px solid #eeebf4}.advanced-block h3{margin:0 0 7px;font-size:13px}.advanced-block p{margin:0 0 13px;font-size:11px;line-height:1.75;color:#858393}.adv-label{font-size:11px;font-weight:950;display:block;margin-bottom:6px}.adv-select{width:100%;padding:11px;border-radius:10px;background:#fff;border:1px solid #dcd9e3;color:#444657;min-height:42px;font-size:12px}.pin-guide{padding:11px 12px;background:#eaf8f2;color:#397a65;border-radius:10px;font-size:11px;font-weight:850;line-height:1.6;margin-top:10px}
.pin-list{display:flex;flex-direction:column;gap:7px;margin-top:8px}.pin-chip{display:flex;align-items:center;justify-content:space-between;gap:10px;background:white;border-radius:9px;border:1px solid #eeecf2;padding:6px 9px;font-size:11px;font-weight:850}.pin-chip button{border:none;background:#fff1f2;color:#b45162;border-radius:7px;padding:7px 10px;font-size:10px;font-weight:950}
.front-names{display:flex;flex-wrap:wrap;gap:6px;margin:11px 0 3px;max-height:160px;overflow:auto}.front-chip{border:1px solid #e0e0e5;background:#fff;border-radius:9px;color:#636475;font-size:11px;font-weight:800;padding:8px 10px;min-height:36px}.front-chip.chosen{border-color:#6dbfac;background:#dcf6ed;color:#347863}.front-chip.chosen:before{content:'✓ ';font-weight:950}
.rules-error{background:#fff0ee;border:1px solid #f2c5bb;border-radius:10px;color:#a3473a;font-size:11px;font-weight:850;line-height:1.6;padding:10px;margin:5px 0 10px}#resetRules{font-size:11px;margin:8px 0 0}
.preview-rule-guide{background:#fff5dc;border:1px solid #f8dcae;border-radius:10px;color:#8b6b33;padding:9px 11px;margin:3px 0 12px;text-align:center;font-size:11px;font-weight:850}
.seat.pinned{border:2px solid #ec8b6e!important;box-shadow:inset 0 0 0 2px #fff8ef;background:#ffe9da!important}.seat.pinned:after{content:'📌';position:absolute;top:0;right:3px;font-size:10px}.seat.front-zone:not(.pinned){box-shadow:inset 0 0 0 2px #b2e6d6}
.print-sheet{display:none}
@page{size:A4 landscape;margin:12mm}
@media print{
  body{background:white!important;color:#23252b!important}
  .shell,.stage,.toast{display:none!important}
  .print-sheet{display:flex!important;flex-direction:column;align-items:center;gap:10px;padding:0!important;width:100%;margin:0;break-inside:avoid}
  .print-sheet h1{font-size:17pt;margin:0 0 3mm}
  .print-front{width:50%;border-radius:6px;text-align:center;background:#d7f2e8;color:#346a59;font-weight:900;padding:6px}
  .print-grid{--cols:5;width:100%;display:grid!important;grid-template-columns:repeat(var(--cols), minmax(0, 1fr));gap:5px;align-content:start;margin:3mm auto 0}
  .print-seat{min-width:0;height:calc(140mm / var(--print-rows));min-height:0;border:1px solid #adb4b9;border-radius:4px;background:white;display:flex;align-items:center;justify-content:center;text-align:center;font-size:clamp(8px,1.3vw,14px);font-weight:bold;padding:2px;word-break:break-all;overflow-wrap:anywhere;print-color-adjust:exact;-webkit-print-color-adjust:exact}
  .print-seat.print-off{border:none;background:transparent}.print-seat.print-empty{color:#aaa}.print-seat.print-pinned{border:2px solid #e9897b;background:#fff0e6}
  .print-sheet p{font-size:9pt;color:#777;text-align:center;margin:8px 0 0}
}

.jump-pin{margin-top:7px;min-height:37px;font-size:11px;display:none}@media(max-width:850px){.jump-pin:not([hidden]){display:flex}}

/* Phase 3: discreet language link and safe share module */
.header-actions{display:flex;align-items:center;gap:9px;justify-content:flex-end;flex-wrap:wrap}
.language-link{display:flex;align-items:center;justify-content:center;min-width:49px;min-height:38px;padding:8px 10px;border-radius:11px;border:1px solid #ece1d4;background:#fff;font-size:12px;font-weight:900;text-decoration:none;color:#5d5867}
.language-link:hover,.language-link:focus-visible{background:#fff0da}
.share-panel{margin:22px 0 36px;background:#fff;border:1px solid #eee8e4;border-radius:18px;padding:23px 25px;text-align:center;box-shadow:var(--shadow)}
.share-panel h2{margin:0 0 7px;font-size:20px}.share-panel p{font-size:12px;color:#78798b;line-height:1.7;margin:0 0 14px}
.share-actions{display:flex;gap:9px;flex-wrap:wrap;justify-content:center}.share-btn{background:#fff8ec;border:1px solid #f2e0ca;color:#5b5462;font-size:12px;font-weight:850;border-radius:12px;padding:10px 16px;min-height:42px}.share-btn:hover{background:#ffedcc}.share-status{min-height:18px;margin-top:10px;color:#477963;font-size:11px;font-weight:800}
@media(max-width:550px){.header-actions{gap:5px;flex-wrap:nowrap}.language-link{font-size:11px;min-width:43px;padding:9px 7px}.top-link{white-space:nowrap}.share-panel{padding:20px 12px}.share-actions{gap:7px}.share-btn{flex:1 0 42%;padding:9px 8px}}
@media print{.share-panel{display:none!important}}