:root{--bg:#f4f7fb;--panel:#fff;--text:#1f2937;--muted:#667085;--line:#d9e0e7;--blue:#1769aa;--danger:#b42318}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:"Microsoft JhengHei","Noto Sans TC",Arial,sans-serif;color:var(--text)}body.page{background:var(--bg)}.shell{width:min(1120px,calc(100% - 28px));margin:26px auto 60px}.shell.wide{width:min(1500px,calc(100% - 24px))}.topbar{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;margin-bottom:18px}.topbar h1{margin:0 0 7px;font-size:28px}.topbar p{margin:0;color:var(--muted)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 10px 30px rgba(0,0,0,.06)}.panel h2{margin-top:0}.btn{border:1px solid #cfd6de;background:#fff;color:#27313c;border-radius:9px;padding:9px 13px;text-decoration:none;font:inherit;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.btn:hover{background:#f7f9fb}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn.danger{color:#fff;background:var(--danger);border-color:var(--danger)}.btn.dark{background:#1f2937;color:#fff;border-color:#1f2937}.actions{display:flex;gap:8px;flex-wrap:wrap}.actions.wrap{margin-top:8px}.board-list{display:grid;gap:10px}.board-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px;border:1px solid var(--line);border-radius:12px}.muted{font-size:13px;color:var(--muted);margin-top:5px}.empty{padding:28px;text-align:center;color:var(--muted)}.dialog{border:0;border-radius:16px;padding:22px;min-width:min(92vw,460px);box-shadow:0 18px 60px rgba(0,0,0,.3)}.dialog::backdrop{background:rgba(0,0,0,.35)}.dialog h3{margin-top:0}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}label{display:block;font-weight:700;font-size:14px}input,select,textarea{width:100%;border:1px solid #cbd5df;border-radius:8px;padding:9px 10px;font:inherit;background:#fff;color:#1f2937;margin-top:5px}input[type=color]{padding:2px;height:42px}.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}.editor-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:16px}.editor-main{min-width:0}.cell-editor{align-self:start;position:sticky;top:12px}.board-settings{display:grid;grid-template-columns:minmax(220px,2fr) repeat(5,minmax(110px,1fr));gap:10px;align-items:end}.hint{margin:14px 0;color:var(--muted);font-size:14px}.aac-grid{display:grid;gap:10px}.editor-grid{min-height:520px}.aac-cell{border:3px solid transparent;border-radius:16px;overflow:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-width:0;min-height:110px;padding:8px;box-shadow:0 5px 14px rgba(0,0,0,.08);font:inherit;font-weight:900;cursor:pointer;position:relative}.aac-cell img{display:block;max-width:100%;max-height:72%;object-fit:contain;border-radius:10px}.aac-cell span{text-align:center;line-height:1.25;overflow-wrap:anywhere}.editor-cell.selected{border-color:#f4b400;box-shadow:0 0 0 4px rgba(244,180,0,.2)}.editor-cell em{font-style:normal;color:#98a2b3}.image-box{margin:12px 0;padding:12px;border:1px solid var(--line);border-radius:12px}.image-preview{height:180px;background:#f4f6f8;border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--muted);overflow:hidden}.image-preview img{width:100%;height:100%;object-fit:contain}.warn{color:#9a6700}.ok{color:#16733d}.err{color:#b42318}
body.board-page{background:#111827;height:100vh;overflow:hidden;display:flex;flex-direction:column}.board-toolbar{height:58px;flex:0 0 58px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:7px 12px;background:#111827;color:#fff}.board-toolbar strong{font-size:20px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.live-grid{flex:1;padding:10px;min-height:0}.live-cell{min-height:0;height:100%;font-size:24px;border-color:rgba(0,0,0,.10);touch-action:manipulation;transition:transform .08s,outline .08s}.live-cell:active,.live-cell.speaking{transform:scale(.97);outline:6px solid #f4b400;outline-offset:-3px}.live-cell img{max-height:70%}.speak-status{position:fixed;left:50%;bottom:10px;transform:translateX(-50%);max-width:90vw;padding:7px 12px;background:rgba(17,24,39,.88);color:#fff;border-radius:999px;font-size:13px;pointer-events:none}
@media(max-width:1050px){.editor-layout{grid-template-columns:1fr}.cell-editor{position:static}.board-settings{grid-template-columns:1fr 1fr 1fr}.editor-grid{min-height:420px}}
@media(max-width:700px){.shell{width:min(100% - 14px,1120px);margin-top:10px}.topbar,.board-row{align-items:stretch;flex-direction:column}.board-settings{grid-template-columns:1fr 1fr}.editor-grid{gap:7px}.aac-cell{min-height:90px}.board-toolbar strong{font-size:16px}.board-toolbar .btn{padding:7px 9px;font-size:13px}.live-grid{gap:6px;padding:6px}.live-cell{padding:4px;border-radius:11px}.live-cell span{font-size:clamp(16px,4vw,28px)!important}}

/* TTS-JS connection badge */
.tts-state{display:inline-flex;align-items:center;min-height:32px;padding:5px 9px;border-radius:999px;background:#374151;color:#e5e7eb;font-size:12px;font-weight:800;white-space:nowrap}
.tts-state.ok{background:#166534;color:#fff}.tts-state.err{background:#991b1b;color:#fff}.tts-state.light{background:#e8edf2;color:#475467;border:1px solid #d0d5dd}.tts-state.light.ok{background:#ecfdf3;color:#16733d;border-color:#abefc6}.tts-state.light.err{background:#fff1f0;color:#b42318;border-color:#fecdca}

/* v1.2.0 HTML5 publish workflow */
.board-info{min-width:0;flex:1}.status-line{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:8px}.badge{display:inline-flex;align-items:center;padding:4px 8px;border-radius:999px;background:#f2f4f7;border:1px solid #d0d5dd;color:#475467;font-size:12px;font-weight:800}.badge.ok{background:#ecfdf3;border-color:#abefc6;color:#16733d}.badge.warn{background:#fffaeb;border-color:#fedf89;color:#93370d}.preview-badge{display:inline-flex;align-items:center;padding:5px 9px;border-radius:999px;background:#fef0c7;color:#7a2e0e;font-size:12px;font-weight:900}.published-board .board-toolbar{background:#101828}.preview-board .board-toolbar{background:#344054}

/* v1.3.0：編輯 → 執行 → 匯出 HTML5 → QR Code */
.btn:disabled{opacity:.45;cursor:not-allowed;filter:grayscale(.4)}
.btn.execute{background:#7c3aed;border-color:#7c3aed;color:#fff}
.btn.test-done{background:#16a34a;border-color:#16a34a;color:#fff}.btn.test-done.done{background:#166534}
.run-board .board-toolbar{background:#4c1d95}.run-board .preview-badge{background:#ede9fe;color:#5b21b6}
.qr-panel{max-width:900px;margin:auto}.qr-layout{display:grid;grid-template-columns:330px minmax(0,1fr);gap:28px;align-items:center}.qr-card{text-align:center}.qr-large{display:block;width:min(300px,78vw);height:auto;margin:0 auto 12px;background:#fff;padding:10px;border:1px solid var(--line);border-radius:14px}.qr-info textarea{font-family:ui-monospace,Consolas,monospace;font-size:14px;line-height:1.5}.qr-info .actions{margin-top:12px}
@media(max-width:760px){.qr-layout{grid-template-columns:1fr}.qr-card{order:0}.qr-info{order:1}}

/* v1.4.0 communication-board template entrance */
.template-section{margin-bottom:16px}.section-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.section-head h2{margin-bottom:4px}.template-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:14px}.template-card{appearance:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:14px;text-align:left;cursor:pointer;display:grid;grid-template-columns:1fr auto;grid-template-rows:auto auto;gap:3px 12px;align-items:center;min-height:104px;transition:transform .12s,border-color .12s,box-shadow .12s}.template-card:hover{transform:translateY(-2px);border-color:#1769aa;box-shadow:0 8px 20px rgba(0,0,0,.08)}.template-card b{font-size:22px;color:#123b5d}.template-card span{color:var(--muted);font-size:14px}.template-card.custom b{color:#7c3aed}.mini-grid{grid-column:2;grid-row:1/3;width:76px;height:62px;display:grid;gap:3px;background:#e7edf3;padding:3px;border-radius:8px}.mini-grid::before{content:"";display:block;grid-column:1/-1;grid-row:1/-1;background:repeating-linear-gradient(90deg,#fff 0,#fff calc((100% / var(--c,3)) - 3px),transparent calc((100% / var(--c,3)) - 3px),transparent calc(100% / var(--c,3))),repeating-linear-gradient(0deg,rgba(23,105,170,.14) 0,rgba(23,105,170,.14) calc((100% / var(--r,3)) - 3px),transparent calc((100% / var(--r,3)) - 3px),transparent calc(100% / var(--r,3)))}.cols-2{--c:2}.cols-3{--c:3}.cols-4{--c:4}.cols-5{--c:5}.rows-1{--r:1}.rows-2{--r:2}.rows-3{--r:3}.rows-4{--r:4}.rows-5{--r:5}.custom-mark{grid-column:2;grid-row:1/3;width:58px;height:58px;border-radius:14px;background:#f3efff;color:#7c3aed;display:grid;place-items:center;font-size:34px;font-style:normal;font-weight:400}.board-size-preview{margin-top:14px;border:1px solid var(--line);border-radius:12px;padding:12px;background:#f8fafc}.board-size-preview>span{display:block;font-weight:800;margin-bottom:9px}.size-preview-grid{display:grid;gap:3px;max-width:320px;max-height:220px;overflow:hidden}.size-preview-grid i{display:block;aspect-ratio:1.25;border-radius:4px;background:#dce8f2;border:1px solid #c4d4e1}
@media(max-width:850px){.template-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.template-grid{grid-template-columns:1fr}.template-card{min-height:92px}}

/* ===== SCHAAC 2.0 使用端：組句 / 發音者 / MQTT / 掃描 ===== */
.sentence-bar{max-width:1200px;margin:10px auto 0;padding:12px 16px;min-height:52px;border:1px solid #d8dee8;border-radius:14px;background:#fff;font-size:clamp(20px,3vw,34px);font-weight:900;line-height:1.35;box-shadow:0 2px 10px rgba(15,23,42,.05)}
.sentence-placeholder{color:#98a2b3;font-weight:700}.live-cell.scan-focus{outline:5px solid #2563eb!important;outline-offset:-5px;box-shadow:0 0 0 4px rgba(37,99,235,.18)}
.aac-settings[hidden]{display:none!important}.aac-settings{position:fixed;inset:0;z-index:9999;background:rgba(15,23,42,.48);display:flex;align-items:center;justify-content:center;padding:18px}.aac-settings-card{position:relative;width:min(460px,100%);background:#fff;border-radius:18px;padding:24px;box-shadow:0 24px 70px rgba(0,0,0,.22)}.aac-settings-card h2{margin:0 0 18px}.aac-settings-card label{display:block;margin:13px 0;font-weight:800}.aac-settings-card select,.aac-settings-card input{width:100%;margin-top:7px;min-height:44px;border:1px solid #cbd5e1;border-radius:10px;padding:8px 10px;font-size:16px}.settings-close{position:absolute;right:12px;top:10px;border:0;background:transparent;font-size:28px;cursor:pointer}.settings-actions{display:flex;gap:9px;flex-wrap:wrap;margin:15px 0}.aac-settings code{word-break:break-all}.board-toolbar .actions{align-items:center}
@media(max-width:700px){.sentence-bar{margin:8px 10px 0}.board-toolbar .actions{gap:6px}.board-toolbar .btn{padding:8px 10px;font-size:13px}}


/* SCHAAC 2.0：卡片內真正直接輸入 */
.direct-edit-hint{margin:0 0 14px;padding:10px 12px;border:1px solid #dbeafe;border-radius:10px;background:#eff6ff;color:#475569;font-size:13px;line-height:1.55}
.editor-cell.direct-edit-cell{position:relative;display:flex;flex-direction:column;align-items:stretch;justify-content:center;gap:8px;cursor:text;overflow:hidden}
.editor-cell.direct-edit-cell img{pointer-events:none}
.cell-direct-input{position:relative;z-index:5;width:100%;min-width:0;min-height:44px;padding:7px 8px;border:1px dashed transparent;border-radius:9px;background:rgba(255,255,255,.72);color:inherit;text-align:center;font-family:inherit;font-weight:800;line-height:1.25;outline:none;pointer-events:auto!important;user-select:text!important;-webkit-user-select:text!important;cursor:text}
.cell-direct-input::placeholder{color:#94a3b8;font-weight:700;font-size:14px}
.cell-direct-input:hover{border-color:#cbd5e1;background:rgba(255,255,255,.88)}
.cell-direct-input:focus{border-color:#2563eb;background:#fff;box-shadow:0 0 0 3px rgba(37,99,235,.16)}
.editor-cell.selected .cell-direct-input{border-color:#93c5fd}
@media(max-width:700px){.cell-direct-input{min-height:48px;font-size:18px!important}}

/* ===== SCHAAC 3.0 多頁／手機優先 ===== */
.page-manager{margin-bottom:16px}.page-manager-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}.page-tabs{display:flex;gap:8px;overflow-x:auto;padding:8px 0 2px}.page-tab{flex:0 0 auto;border:1px solid #cfd6de;background:#fff;border-radius:999px;padding:9px 14px;font-weight:800;cursor:pointer}.page-tab.active{background:#1769aa;color:#fff;border-color:#1769aa}.page-description-edit{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:end;margin:12px 0}.checkline{display:flex;align-items:center;gap:8px;white-space:nowrap}.checkline input{width:auto;margin:0}.action-box{margin:10px 0;padding:10px;border:1px solid #e4e7ec;background:#f8fafc;border-radius:10px}.sentence-top{flex:0 0 auto;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;padding:10px max(10px,env(safe-area-inset-right)) 6px max(10px,env(safe-area-inset-left));background:#111827}.sentence-top .sentence-bar{margin:0;max-width:none;min-height:58px;display:flex;align-items:center}.sentence-actions{display:flex;gap:8px}.sentence-actions .btn{min-height:58px;font-size:16px;padding:10px 16px}.sentence-speak{background:#1769aa!important;color:#fff!important}.sentence-clear{background:#7f1d1d!important;color:#fff!important}.page-info{flex:0 0 auto;display:flex;justify-content:space-between;align-items:flex-start;gap:14px;background:#eef2f6;padding:8px 14px;border-bottom:1px solid #dbe1e8}.page-info strong{font-size:18px}.page-info p{margin:3px 0 0;color:#667085;font-size:13px}.page-info>span{font-weight:900;color:#475467;white-space:nowrap}.multipage-board .live-grid{padding-bottom:8px}.aac-bottom-bar{flex:0 0 auto;display:grid;grid-template-columns:minmax(110px,1fr) auto minmax(110px,1fr);gap:8px;align-items:stretch;padding:8px max(8px,env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));background:#101828;border-top:1px solid rgba(255,255,255,.12)}.aac-bottom-bar button,.aac-bottom-bar a{border:0;border-radius:12px;min-height:50px;padding:8px 12px;background:#344054;color:#fff;font-weight:900;font-size:15px;text-decoration:none;display:flex;align-items:center;justify-content:center;cursor:pointer}.aac-bottom-bar .nav-edge{background:#1769aa;font-size:17px}.aac-bottom-bar .prev{justify-self:stretch}.aac-bottom-bar .next{justify-self:stretch}.nav-middle{display:flex;gap:6px;justify-content:center;flex-wrap:wrap}.nav-middle button,.nav-middle a{min-height:50px}.jump-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.jump-page-btn{border:1px solid #d0d5dd;border-radius:12px;background:#fff;padding:14px;text-align:left;cursor:pointer}.jump-page-btn strong{display:block;font-size:17px}.jump-page-btn span{display:block;margin-top:4px;color:#667085;font-size:13px}.action-goto_page::after,.action-open_url::after,.action-mqtt::after{position:absolute;right:8px;top:8px;font-size:15px;background:rgba(255,255,255,.82);border-radius:999px;padding:3px 6px}.action-goto_page::after{content:"↪"}.action-open_url::after{content:"↗"}.action-mqtt::after{content:"MQTT";font-size:10px}.multipage-board{min-height:100dvh;height:100dvh}.multipage-board .live-cell{min-height:0}.multipage-board .live-cell span{font-size:clamp(20px,4.5vw,42px)}
@media(max-width:780px){.page-description-edit{grid-template-columns:1fr}.sentence-top{grid-template-columns:1fr}.sentence-actions{display:grid;grid-template-columns:1fr 1fr}.sentence-actions .btn{min-height:52px}.page-info{padding:7px 10px}.page-info strong{font-size:17px}.live-grid{padding:7px;gap:7px}.aac-bottom-bar{grid-template-columns:minmax(88px,1fr) auto minmax(88px,1fr);gap:5px}.aac-bottom-bar button,.aac-bottom-bar a{min-height:54px;padding:7px 9px;font-size:13px}.aac-bottom-bar .nav-edge{font-size:14px}.nav-middle{max-width:48vw;gap:4px}.nav-middle button,.nav-middle a{min-height:42px;padding:6px 8px;font-size:12px}.jump-list{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.sentence-top{padding-top:6px}.sentence-top .sentence-bar{min-height:52px;font-size:clamp(20px,6vw,30px)}.page-info p{font-size:12px}.aac-bottom-bar{grid-template-columns:82px minmax(0,1fr) 82px}.aac-bottom-bar .nav-edge{padding:5px;font-size:12px}.nav-middle{max-width:none;display:grid;grid-template-columns:repeat(3,1fr)}.nav-middle button,.nav-middle a{font-size:11px;padding:4px}.jump-list{grid-template-columns:1fr}.multipage-board .live-cell span{font-size:clamp(18px,6vw,34px)!important}}

/* ===== SCHAAC 3.1 指令串列 ===== */
.command-editor{margin:0 0 16px}.command-editor-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:10px}.command-editor-head h3{margin:0 0 3px;font-size:17px}.command-editor-head .muted{margin:0}.command-list{display:grid;gap:10px}.command-empty{padding:14px;border:1px dashed #cbd5e1;border-radius:12px;color:#64748b;background:#f8fafc;font-size:13px}.command-row{border:1px solid #d7dee8;border-radius:12px;background:#fbfcfe;padding:10px}.command-row-top{display:grid;grid-template-columns:30px minmax(0,1fr) auto;gap:8px;align-items:center}.command-no{width:28px;height:28px;border-radius:999px;background:#e8f1fb;color:#1769aa;font-weight:900;display:grid;place-items:center;font-size:12px}.command-type{margin:0;min-height:38px}.command-tools{display:flex;gap:4px}.cmd-mini{border:1px solid #cfd6de;background:#fff;border-radius:8px;min-width:34px;height:34px;padding:0 7px;font-weight:900;cursor:pointer}.cmd-mini:disabled{opacity:.35;cursor:not-allowed}.cmd-mini.danger{color:#b42318}.command-params{margin-top:9px;padding-top:9px;border-top:1px solid #e7ebf0}.command-params label{margin-top:8px}.command-note{margin:2px 0;color:#667085;font-size:13px;line-height:1.55}
@media(max-width:700px){.command-editor-head{align-items:stretch;flex-direction:column}.command-editor-head .btn{width:100%}.command-row-top{grid-template-columns:28px minmax(0,1fr)}.command-tools{grid-column:1/-1;justify-content:flex-end}.cmd-mini{min-width:44px;height:40px}}


/* ===== SCHAAC 3.2 簡單模式／工程模式 ===== */
.editor-mode-panel{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  margin:0 0 16px;
  padding:10px 12px;
  border:1px solid #d9e0e7;
  border-radius:14px;
  background:rgba(255,255,255,.82);
  box-shadow:0 5px 18px rgba(15,23,42,.04);
}
.editor-mode-switch{
  display:inline-grid;
  grid-template-columns:1fr 1fr;
  padding:4px;
  gap:4px;
  border-radius:12px;
  background:#e9eef4;
}
.mode-btn{
  border:0;
  border-radius:9px;
  min-height:40px;
  padding:8px 16px;
  background:transparent;
  color:#475467;
  font:inherit;
  font-weight:900;
  cursor:pointer;
}
.mode-btn.active{
  background:#1769aa;
  color:#fff;
  box-shadow:0 2px 7px rgba(23,105,170,.2);
}
.simple-mode-note,.engineering-mode-note{
  color:#667085;
  font-size:13px;
  line-height:1.55;
}
body.editor-simple .engineering-only{display:none!important}
body.editor-engineering .simple-only{display:none!important}
body.editor-simple .editor-layout{grid-template-columns:minmax(0,1fr)!important}
body.editor-simple .editor-main{width:100%}
body.editor-simple .page-manager{
  padding:10px 14px;
}
body.editor-simple .page-tabs{
  padding:0;
}
body.editor-simple .editor-grid{
  min-height:600px;
}
body.editor-simple .cell-direct-input{
  min-height:56px;
  background:rgba(255,255,255,.86);
}
@media(max-width:700px){
  .editor-mode-panel{align-items:stretch;flex-direction:column}
  .editor-mode-switch{width:100%}
  .mode-btn{min-height:46px}
  body.editor-simple .editor-grid{min-height:480px}
}

/* 3.2.4 手機全螢幕：固定顯示，不被底部功能列擠掉 */
.mobile-full-btn{display:none}
@media(max-width:780px){
  .mobile-full-btn{display:flex;position:fixed;right:max(10px,env(safe-area-inset-right));bottom:calc(112px + env(safe-area-inset-bottom));z-index:1200;min-height:46px;padding:9px 13px;border:0;border-radius:999px;background:#111827;color:#fff;font-weight:900;font-size:13px;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.28)}
}
body.pseudo-fullscreen{position:fixed!important;inset:0!important;width:100vw!important;height:100dvh!important;overflow:hidden!important;background:#fff;z-index:999}
body.pseudo-fullscreen .mobile-full-btn{bottom:calc(112px + env(safe-area-inset-bottom))}