:root{--bg:#0a0a0a;--surface:#121212;--surface-hover:#181818;--surface-raised:#1c1c1c;--border:#242424;--border-highlight:#383838;--accent:#d4a843;--accent-hover:#e6b955;--accent-dim:#d4a84326;--text:#f0f0f0;--text-muted:#888;--text-dim:#666;--danger:#e05252;--success:#3fb950;--radius:12px;--radius-sm:8px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;max-width:100vw;height:100dvh;overflow:hidden}body{background:var(--bg);color:var(--text);flex-direction:column;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5;display:flex}.btn-text-full{display:inline}.btn-text-short{display:none}header{border-bottom:1px solid var(--border);background:var(--surface);z-index:100;flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;height:56px;padding:0 20px;display:flex;position:relative}.logo-group{align-items:center;gap:12px;display:flex}.logo{letter-spacing:.08em;color:var(--text-muted);text-transform:uppercase;font-size:15px;font-weight:800}.logo span{color:var(--accent)}.header-actions{align-items:center;gap:8px;display:flex}.btn{border-radius:var(--radius-sm);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:6px;padding:6px 12px;font-family:inherit;font-size:12px;font-weight:700;text-decoration:none;transition:background .15s,border-color .15s,color .15s,transform .1s;display:inline-flex}.btn:active{transform:scale(.98)}.btn-primary{background:var(--accent);color:#0d0d0d;border-color:var(--accent)}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn-ghost{color:var(--text-muted);border-color:var(--border);background:0 0}.btn-ghost:hover{background:var(--surface-hover);color:#fff;border-color:var(--border-highlight)}.btn-sm{padding:4px 10px;font-size:11px}.app-layout{flex:1;grid-template-rows:1fr;grid-template-columns:360px 1fr;height:calc(100dvh - 56px);min-height:0;display:grid;overflow:hidden}.sidebar{background:var(--surface);border-right:1px solid var(--border);-webkit-overflow-scrolling:touch;flex-direction:column;gap:20px;height:100%;padding:20px;display:flex;overflow:hidden auto}.sidebar-section{flex-direction:column;gap:12px;display:flex}.section-title{text-transform:uppercase;letter-spacing:.08em;color:var(--accent);justify-content:space-between;align-items:center;font-size:11px;font-weight:800;display:flex}.stepper-control{border:1px solid var(--border);border-radius:var(--radius-sm);background:#161616;justify-content:space-between;align-items:center;padding:4px;display:flex}.stepper-btn{border:1px solid var(--border-highlight);color:#fff;cursor:pointer;background:#202020;border-radius:6px;justify-content:center;align-items:center;width:32px;height:32px;font-size:16px;font-weight:700;transition:all .15s;display:flex}.stepper-btn:hover{background:var(--accent);color:#0d0d0d;border-color:var(--accent)}.stepper-value{color:#fff;font-size:13px;font-weight:700}.stepper-value span{color:var(--accent);font-family:JetBrains Mono,monospace}.control-group{flex-direction:column;gap:6px;display:flex}.control-label-row{color:var(--text-muted);justify-content:space-between;align-items:center;font-size:12px;font-weight:600;display:flex}.control-val-badge{color:var(--accent);font-family:JetBrains Mono,monospace,sans-serif;font-size:11px}.optics-slider{appearance:none;cursor:pointer;background:#242424;border-radius:3px;outline:none;width:100%;height:5px}.optics-slider::-webkit-slider-thumb{appearance:none;background:var(--accent);cursor:pointer;border-radius:50%;width:16px;height:16px;transition:transform .1s;box-shadow:0 0 6px #000000b3}.optics-slider::-webkit-slider-thumb:hover{transform:scale(1.15)}.btn-upload-trigger{border:1px dashed var(--border-highlight);cursor:pointer;color:var(--text);background:#161616;border-radius:8px;align-items:center;gap:12px;width:100%;padding:12px 14px;transition:all .15s;display:flex}.btn-upload-trigger:hover{border-color:var(--accent);color:#fff;background:#1c1c1c}.upload-trigger-text{text-align:left;flex-direction:column;gap:2px;display:flex}.upload-trigger-text strong{color:#fff;font-size:12px}.upload-trigger-text span{color:var(--text-muted);font-size:10px}.photos-list-container{flex-direction:column;gap:8px;max-height:240px;display:flex;overflow-y:auto}.photo-item-card{border:1px solid var(--border);cursor:pointer;background:#161616;border-radius:6px;align-items:center;gap:10px;padding:8px 10px;transition:border-color .15s,background .15s;display:flex}.photo-item-card:hover{border-color:var(--border-highlight)}.photo-item-card.active{border-color:var(--accent);background:#d4a8430d}.photo-thumb-mini{border:1px solid var(--border);background-position:50%;background-size:cover;border-radius:4px;flex-shrink:0;width:38px;height:38px}.photo-meta-info{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.photo-name-label{color:#fff;white-space:nowrap;text-overflow:ellipsis;font-size:11px;font-weight:700;overflow:hidden}.photo-sub-label{color:var(--text-dim);font-size:9px}.btn-delete-photo{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:4px;transition:color .15s,background .15s}.btn-delete-photo:hover{color:var(--danger);background:#e052521a}.photo-badge-chip{border:1px solid var(--border);color:var(--text-muted);text-transform:uppercase;background:#202020;border-radius:4px;align-items:center;gap:4px;padding:1px 5px;font-size:8px;font-weight:700;display:inline-flex}.frame-pills-grid{flex-wrap:wrap;gap:6px;display:flex}.frame-btn{padding:3px 8px;font-size:10px}.workspace-area{background:#0d0d0d;flex-direction:column;height:100%;min-height:0;display:flex;position:relative;overflow:hidden}.workspace-toolbar{border-bottom:1px solid var(--border);background:#141414;flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;height:48px;padding:0 16px;display:flex}.tool-mode-pills,.view-mode-pills,.slide-stepper-toolbar,.toolbar-quick-actions{align-items:center;gap:4px;display:flex}.pill-btn{border:1px solid var(--border);color:var(--text-muted);cursor:pointer;background:#1c1c1c;border-radius:20px;padding:4px 10px;font-size:11px;font-weight:700;transition:all .15s}.pill-btn:hover{color:#fff;border-color:var(--border-highlight)}.pill-btn.active{background:var(--accent);color:#0d0d0d;border-color:var(--accent)}#btn-undo-toolbar:disabled,#btn-undo-sidebar:disabled{pointer-events:none;opacity:.35!important;cursor:not-allowed!important}#btn-undo-toolbar:not(:disabled):hover{border-color:var(--accent)!important;color:#fff!important;background:#d4a84326!important}.canvas-viewport{cursor:grab;-webkit-user-select:none;user-select:none;touch-action:none;flex:1;justify-content:center;align-items:center;min-height:0;padding:16px;display:flex;position:relative;overflow:hidden}.canvas-viewport.dragging{cursor:grabbing}.canvas-viewport.tool-erase{cursor:crosshair}.canvas-viewport.drag-over{background:#d4a84314}.canvas-viewport.drag-over .canvas-frame-wrap{border-color:var(--accent);box-shadow:0 0 30px #d4a84359}.canvas-frame-wrap{background:#080808;border:1px solid #ffffff1f;border-radius:4px;transition:width .1s,height .1s;position:relative;overflow:hidden;box-shadow:0 10px 40px #000000d9}#carousel-canvas{width:100%;height:100%;display:block}.seam-guideline-overlay{pointer-events:none;z-index:10;width:100%;height:100%;position:absolute;top:0;left:0}.seam-line{border-left:1.5px dashed #d4a843d9;width:1px;position:absolute;top:0;bottom:0;box-shadow:0 0 8px #000c}.seam-badge{border:1px solid var(--accent);color:var(--accent);white-space:nowrap;letter-spacing:.05em;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0d0d0dd9;border-radius:4px;padding:2px 6px;font-size:9px;font-weight:700;position:absolute;top:8px;transform:translate(-50%)}.slide-label-watermark{color:#ffffffb3;pointer-events:none;white-space:nowrap;background:#000000a6;border-radius:12px;padding:2px 8px;font-size:10px;font-weight:700;position:absolute;bottom:10px;transform:translate(-50%)}.crop-transform-box{border:1.5px dashed var(--accent);pointer-events:all;z-index:25;touch-action:none;position:absolute;box-shadow:0 0 0 1px #0009,0 4px 16px #00000080}.crop-transform-box.cropping{border-style:solid;border-color:#fff;box-shadow:0 0 0 9999px #0000008c,0 0 12px #d4a84399}.crop-handle{border:2px solid var(--accent);z-index:30;background:#fff;border-radius:2px;width:11px;height:11px;position:absolute;box-shadow:0 0 4px #000c}.crop-handle.handle-tl{cursor:nwse-resize;top:-6px;left:-6px}.crop-handle.handle-tr{cursor:nesw-resize;top:-6px;right:-6px}.crop-handle.handle-bl{cursor:nesw-resize;bottom:-6px;left:-6px}.crop-handle.handle-br{cursor:nwse-resize;bottom:-6px;right:-6px}.crop-handle.handle-t{cursor:ns-resize;top:-6px;left:calc(50% - 5px)}.crop-handle.handle-b{cursor:ns-resize;bottom:-6px;left:calc(50% - 5px)}.crop-handle.handle-l{cursor:ew-resize;top:calc(50% - 5px);left:-6px}.crop-handle.handle-r{cursor:ew-resize;top:calc(50% - 5px);right:-6px}.crop-toolbar-floating{border:1px solid var(--border-highlight);z-index:35;white-space:nowrap;background:#121212f2;border-radius:6px;gap:6px;padding:3px 6px;display:flex;position:absolute;bottom:-36px;left:50%;transform:translate(-50%);box-shadow:0 4px 14px #000c}.brush-cursor{pointer-events:none;z-index:50;background:#d4a84326;border:1.5px solid #ffffffe6;border-radius:50%;display:none;position:absolute;transform:translate(-50%,-50%);box-shadow:0 0 8px #0009}.canvas-viewport.tool-erase .brush-cursor{display:block}.view-mode-indicator{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border);color:#fff;z-index:20;background:#121212d9;border-radius:20px;align-items:center;gap:6px;padding:4px 10px;font-size:11px;font-weight:700;display:flex;position:absolute;top:12px;left:12px}.view-mode-indicator span.dot{background:var(--accent);border-radius:50%;width:6px;height:6px}.gesture-tips-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border);color:var(--text-muted);z-index:20;pointer-events:none;background:#121212d9;border-radius:20px;align-items:center;gap:8px;padding:4px 12px;font-size:11px;display:flex;position:absolute;bottom:12px}.gesture-tips-overlay strong{color:#fff}.filmstrip-panel{border-top:1px solid var(--border);background:#111;flex-direction:column;flex-shrink:0;gap:4px;height:94px;padding:6px 16px;display:flex}.filmstrip-header{text-transform:uppercase;color:var(--text-dim);letter-spacing:.05em;justify-content:space-between;align-items:center;font-size:10px;font-weight:700;display:flex}.filmstrip-track{scrollbar-width:thin;scrollbar-color:var(--border-highlight) transparent;flex:1;align-items:center;gap:8px;min-height:0;padding-bottom:2px;display:flex;overflow:auto hidden}.filmstrip-track::-webkit-scrollbar{height:4px}.filmstrip-track::-webkit-scrollbar-thumb{background:var(--border-highlight);border-radius:2px}.filmstrip-card{aspect-ratio:4/5;border:1.5px solid var(--border);cursor:pointer;background:#181818;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;height:56px;transition:transform .15s,border-color .15s,box-shadow .15s;display:flex;position:relative;overflow:hidden}.filmstrip-card:hover{border-color:var(--border-highlight);transform:translateY(-2px)}.filmstrip-card.active{border-color:var(--accent);box-shadow:0 0 12px #d4a84366}.filmstrip-card canvas{object-fit:cover;width:100%;height:100%;display:block}.filmstrip-badge{color:#fff;background:#000000bf;border-radius:3px;padding:1px 4px;font-family:JetBrains Mono,monospace;font-size:8px;font-weight:800;position:absolute;bottom:2px;right:2px}.filmstrip-card.active .filmstrip-badge{background:var(--accent);color:#0d0d0d}.modal-overlay{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:1000;background:#000000bf;justify-content:center;align-items:center;padding:20px;display:none;position:fixed;inset:0}.modal-overlay.open{display:flex}.modal-card{border:1px solid var(--border-highlight);border-radius:var(--radius);background:#161616;flex-direction:column;gap:18px;width:100%;max-width:480px;padding:24px;display:flex;position:relative;box-shadow:0 20px 50px #000000e6}.modal-header{justify-content:space-between;align-items:center;display:flex}.modal-title{color:#fff;font-size:16px;font-weight:800}.modal-close-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:20px;line-height:1}.modal-close-btn:hover{color:#fff}.modal-desc{color:var(--text-muted);font-size:13px}.export-options-list{flex-direction:column;gap:10px;display:flex}.export-opt-btn{border:1px solid var(--border);cursor:pointer;text-align:left;background:#1c1c1c;border-radius:8px;flex-direction:column;gap:3px;padding:12px 14px;transition:all .15s;display:flex}.export-opt-btn:hover{border-color:var(--accent);background:#222}.export-opt-btn strong{color:#fff;align-items:center;gap:6px;font-size:13px;display:flex}.export-opt-btn span{color:var(--text-muted);font-size:11px}.export-progress-bar{color:var(--accent);flex-direction:column;gap:6px;font-size:11px;display:none}.progress-track{background:#242424;border-radius:3px;width:100%;height:6px;overflow:hidden}.progress-fill{background:var(--accent);width:0%;height:100%;transition:width .15s}@media (width<=960px){.hide-mobile,.btn-text-full{display:none!important}.btn-text-short{display:inline!important}header{gap:6px;height:48px;padding:0 10px}.logo{font-size:13px}.header-actions{gap:4px}.header-actions .btn{gap:4px;padding:4px 7px;font-size:11px}.app-layout{flex-direction:column;height:calc(100dvh - 48px);display:flex}.workspace-area{border-bottom:1px solid var(--border);z-index:20;flex:0 0 46dvh;order:1;height:46dvh;min-height:250px;box-shadow:0 4px 20px #0009}.workspace-toolbar{scrollbar-width:none;gap:4px;height:38px;padding:0 8px;overflow-x:auto}.workspace-toolbar::-webkit-scrollbar{display:none}.workspace-toolbar .pill-btn,.workspace-toolbar .btn{flex-shrink:0;padding:3px 7px;font-size:10px}.canvas-viewport{padding:8px}.filmstrip-panel{height:74px;padding:4px 10px}.filmstrip-card{height:44px}.sidebar{border-right:none;flex:1;order:2;height:auto;min-height:0;padding:14px 14px 50px}.gesture-tips-overlay{gap:4px;padding:3px 8px;font-size:9px;bottom:6px}.view-mode-indicator{padding:2px 7px;font-size:9px;top:6px;left:6px}}