.mobile-design-editor{max-width:1200px;margin:auto;padding:24px 20px 100px}.design-top h1{font-size:28px}.design-top p{font-size:14px}.design-modes,.design-actions{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}.design-top>label,.design-settings label{display:grid;gap:8px}.design-top select,.design-settings select,.design-settings textarea{font-size:16px;padding:10px;border:1px solid #e2d8d5;border-radius:10px;background:white;width:100%}.design-workspace{display:grid;grid-template-columns:minmax(0,430px) minmax(240px,1fr);gap:24px;align-items:start;margin-top:22px}.design-phone{width:100%;max-width:430px;border:1px solid #dfd2ce;border-radius:18px;overflow:hidden;background:#fff}.design-phone iframe{display:block;border:0;width:100%;height:75dvh;min-height:450px}.design-settings{padding:20px;background:#fcf5f3;border:1px solid #e5d8d3;border-radius:16px;max-height:75dvh;overflow:auto;overscroll-behavior:contain}.design-settings h2{font-size:21px;margin:0 0 10px}.design-settings p{font-size:13px}.design-settings>label{margin:16px 0;font-size:13px}.design-range{grid-template-columns:1fr auto;align-items:center}.design-range input{grid-column:1/-1;width:100%;accent-color:#ad6375;min-height:30px;touch-action:pan-y}.design-settings textarea{min-height:100px;line-height:1.4}.design-settings details{margin-top:22px}.design-settings details button{margin:8px 0;width:100%}.design-settings small{font-size:12px}.design-settings .secondary{font-size:12px;padding:10px}.design-actions button,.design-modes button{min-height:44px}.design-settings summary{cursor:pointer;min-height:44px;display:flex;align-items:center}
@media(max-width:760px){.mobile-design-editor{padding:20px 14px calc(100px + env(safe-area-inset-bottom))}.design-workspace{display:flex;flex-direction:column;gap:16px}.design-phone{max-width:none}.design-phone iframe{height:62dvh;min-height:360px}.design-settings{width:100%;max-height:none;overflow:visible}.design-top h1{font-size:25px}.design-modes button{flex:1;padding:10px 8px;font-size:12px}.design-actions button{font-size:12px;padding:10px 12px}.design-phone{border-radius:12px}.design-settings{padding:16px}}

@media(max-width:760px){.design-phone{position:sticky;top:8px;z-index:2;box-shadow:0 4px 14px #29252a12}.design-phone iframe{height:40dvh;min-height:240px}.design-settings{position:relative;z-index:1}}

.design-connection{background:#f3e4df;border-radius:8px;padding:10px 12px;color:#29252a!important}.design-range input{touch-action:none;min-height:44px}

.design-full-tools{position:relative;z-index:2147483646}.design-full-top,.design-full-bottom{position:fixed;left:8px;right:8px;background:#fffaf8;border:1px solid #dfd2ce;border-radius:12px;padding:10px;box-shadow:0 4px 24px #29252a22}.design-full-top{top:calc(6px + env(safe-area-inset-top));display:flex;gap:6px;align-items:center;flex-wrap:wrap}.design-full-top button,.design-full-bottom button{padding:10px 12px;font-size:12px;min-height:44px}.design-full-top select{max-width:150px;font-size:16px;padding:8px;background:white;border-radius:8px;border:1px solid #dfd2ce}.design-full-bottom{bottom:calc(6px + env(safe-area-inset-bottom));max-height:40dvh;overflow:auto;overscroll-behavior:contain}.design-full-bottom p{font-size:12px;margin:0 0 8px}.design-full-actions{display:flex;gap:8px}.design-full-fields{display:grid;gap:14px;margin-top:16px}.design-full-fields label{display:grid;gap:8px;font-size:13px}.design-full-fields input[type=range]{width:100%;min-height:44px;touch-action:none;accent-color:#ad574b}.design-full-fields select,.design-full-fields textarea{font-size:16px;padding:10px;border:1px solid #dfd2ce;border-radius:8px;width:100%;background:#fff}.design-full-fields textarea{min-height:100px}

/* Keep the page visible: toolbars only expand on request and disappear while dragging. */
.design-options-toggle{position:fixed;top:calc(6px + env(safe-area-inset-top));right:8px;z-index:2147483646;min-height:44px;padding:10px 14px;font-size:12px;background:#fffaf8;box-shadow:0 2px 12px #29252a18}
.design-full-top{top:calc(56px + env(safe-area-inset-top))}
.design-full-collapsed{left:auto;width:auto;max-width:calc(100vw - 16px);padding:6px}
.design-full-collapsed>p{display:none}
.design-full-actions{gap:5px}
.design-full-collapsed .design-full-actions button{padding:8px 10px;font-size:11px}
.design-dragging .design-full-tools,.design-dragging #sim-preview-handles{opacity:0!important;visibility:hidden!important;pointer-events:none!important}

.design-full-actions{flex-wrap:wrap}.design-full-collapsed .design-full-actions button{padding:8px;font-size:11px}.design-full-collapsed{max-width:calc(100vw - 16px)}

.design-align{border:1px solid #dfd2ce;border-radius:10px;padding:12px;margin:12px 0;min-width:0}.design-align legend{font:600 13px Arial;padding:0 6px}.design-align>div{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}.design-align small{display:block;line-height:1.5;font-size:12px}.design-align button{min-height:44px}.design-text-editing .design-full-tools,.design-text-editing #sim-preview-handles{visibility:hidden!important;pointer-events:none!important}.sim-design-text-editor{position:fixed;left:12px;right:12px;top:calc(12px + env(safe-area-inset-top));z-index:2147483647;background:#fffaf8;border:1px solid #ad574b;border-radius:12px;padding:12px;box-shadow:0 6px 28px #29252a33;max-width:600px;margin:0 auto}.sim-design-text-editor label{display:grid;gap:8px;font:600 14px Arial}.sim-design-text-editor textarea{box-sizing:border-box;display:block;width:100%;min-height:100px;max-height:28dvh;padding:10px;font-size:16px;line-height:1.5;white-space:pre-wrap;color:#29252a;background:#fff;border:1px solid #dfd2ce;border-radius:8px;resize:vertical;-webkit-user-select:text;user-select:text;touch-action:auto}.sim-design-text-editor>div{display:flex;gap:10px;margin-top:10px}.sim-design-text-editor button{font:600 13px Arial;min-height:44px;padding:10px 18px;border-radius:8px;border:1px solid #dfd2ce;background:#fff;color:#29252a}.sim-design-text-editor button:first-child{background:#ad574b;color:#fff}

/* Desktop workspace: viewport size stays fixed; zoom scales only the preview. */
.design-studio{max-width:1600px;padding:20px 24px 40px}.design-studio .design-top h1{font-size:25px;margin:8px 0 16px}.design-context{display:flex;align-items:end;gap:12px;flex-wrap:wrap}.design-context>label{display:grid;gap:6px;font-size:12px;min-width:160px}.design-context select,.design-zoom select{background:#fff;border:1px solid #dfd2ce;border-radius:8px;padding:9px;font-size:14px;min-height:44px}.design-devices{display:flex;gap:6px}.design-context button{min-height:44px;font-size:13px}.design-studio .design-actions{gap:6px;margin:12px 0;align-items:center}.design-studio .design-actions button{font-size:12px;padding:8px 12px}.design-zoom{display:flex;align-items:center;gap:8px;margin-left:auto;font-size:12px}.design-studio-status{font-size:12px!important;margin:8px 0;color:#625953}.design-studio .design-workspace{grid-template-columns:minmax(0,1fr) 310px;gap:20px;margin-top:12px;align-items:start}.design-studio .design-wide{grid-template-columns:minmax(0,1fr)}.design-stage{width:100%;height:calc(100dvh - 230px);min-height:620px;max-height:1050px;overflow:auto;overscroll-behavior:contain;border:1px solid #dfd2ce;border-radius:14px;background:#f2eeeb;position:relative}.design-stage-inner{box-sizing:border-box;padding:16px;position:relative}.design-device{position:relative;margin:0 auto;background:#fff;box-shadow:0 6px 28px #29252a22;border-radius:12px;overflow:hidden;flex-shrink:0}.design-device iframe{position:absolute;left:0;top:0;display:block;border:0;max-width:none!important;min-height:0!important}.design-device-desktop{border-radius:6px}.design-studio .design-settings{max-height:calc(100dvh - 230px);min-height:260px;position:static;padding:16px}.design-shortcuts p{font-size:12px;line-height:1.5;margin:10px 0}.design-save-status{font-size:12px!important;color:#625953;margin:6px 0}.design-pan-ready body,.design-pan-ready body *{cursor:grab!important}.design-panning body,.design-panning body *{cursor:grabbing!important;user-select:none!important;-webkit-user-select:none!important}
@media(max-width:760px){.design-studio{padding:16px 12px 100px}.design-studio .design-workspace{display:flex;flex-direction:column}.design-context>label{min-width:0;flex:1 1 140px}.design-context select{width:100%;font-size:16px}.design-stage{height:calc(100dvh - 220px);min-height:570px;max-height:none}.design-studio .design-settings{max-height:none;width:100%}.design-zoom{margin-left:0}.design-context .design-devices{flex:1}.design-context .design-devices button{flex:1}.design-studio .design-actions button{font-size:11px;padding:8px}.design-studio .design-top h1{font-size:22px}}
.design-full-save-status{display:block;font:11px Arial;color:#625953;margin:3px 0 7px}.design-full-collapsed .design-full-save-status{margin:3px 4px 6px;font-size:10px}
.design-brush body,.design-brush body *:not([data-design-tools] *){cursor:copy!important}.design-settings input[type=color],.design-full-fields input[type=color]{width:100%;min-height:44px;border:1px solid #dfd2ce;background:#fff;border-radius:8px;padding:4px}

/* Decorative art can be selected by the owner; native controls remain focusable. */
.design-selecting .student-module-art{pointer-events:auto!important}