.ist-settings{display:flex;gap:20px;flex-wrap:wrap;padding:16px 20px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-m);margin-bottom:24px;align-items:flex-end}.ist-setting-group{display:flex;flex-direction:column;gap:6px;min-width:120px}.ist-setting-group label{font-family:var(--font-sans);font-size:12px;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.04em}.ist-setting-group select,.ist-setting-group input[type=number]{font-family:var(--font-sans);font-size:14px;padding:8px 12px;border:1px solid var(--line);border-radius:var(--radius-s);background:var(--bg-2);color:var(--text);outline:none;transition:border-color .2s}.ist-setting-group select:focus,.ist-setting-group input:focus{border-color:var(--accent)}.ist-setting-group input[type=number]{width:80px}.ist-setting-group input[type=color]{width:48px;height:38px;padding:2px;border:1px solid var(--line);border-radius:var(--radius-s);background:var(--bg-2);cursor:pointer}.ist-setting-group input[type=color]:focus{border-color:var(--accent)}.ist-setting-group-check{justify-content:flex-end}.ist-checkbox{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-family:var(--font-sans);font-size:14px;color:var(--text);-webkit-user-select:none;user-select:none}.ist-checkbox input[type=checkbox]{width:16px;height:16px;cursor:pointer;accent-color:var(--accent)}.ist-drop-zone{border:2px dashed var(--line-strong);border-radius:var(--radius-m);padding:48px 24px;text-align:center;cursor:pointer;transition:border-color .2s,background .2s;position:relative}.ist-drop-zone:hover,.ist-drop-zone.drag-over{border-color:var(--accent);background:var(--accent-soft)}.ist-drop-content{display:flex;flex-direction:column;align-items:center;gap:10px;pointer-events:none}.ist-drop-content svg{color:var(--text-faint);opacity:.7}.ist-drop-content p{font-family:var(--font-sans);font-size:15px;color:var(--text-dim);margin:0}.ist-drop-hint{font-family:var(--font-mono);font-size:12px;color:var(--text-faint)}.ist-file-input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.ist-file-list{margin-top:24px;display:flex;flex-direction:column;gap:8px}.ist-file-list:empty{display:none}.ist-file-item{display:flex;align-items:center;gap:12px;padding:10px 16px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-m);transition:border-color .2s,opacity .2s,background .2s;cursor:default;-webkit-user-select:none;user-select:none}.ist-file-item:hover{border-color:var(--accent)}.ist-file-item.dragging{opacity:.4;border-color:var(--accent);background:var(--accent-soft)}.ist-file-item.drag-over-item{border-color:var(--accent);border-style:dashed;background:var(--accent-soft)}.ist-file-item.ist-file-error{border-color:var(--bad);opacity:.7}.ist-file-handle{font-size:18px;color:var(--text-faint);cursor:grab;padding:0 4px;line-height:1;flex-shrink:0;transition:color .2s}.ist-file-item:hover .ist-file-handle{color:var(--text-dim)}.ist-file-item.dragging .ist-file-handle{cursor:grabbing}.ist-file-thumb{width:44px;height:44px;border-radius:var(--radius-s);background-color:var(--bg-3);background-size:cover;background-position:center;background-repeat:no-repeat;flex-shrink:0;border:1px solid var(--line)}.ist-file-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.ist-file-name{font-family:var(--font-sans);font-size:14px;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ist-file-meta{font-family:var(--font-mono);font-size:12px;color:var(--text-faint)}.ist-file-status{font-family:var(--font-mono);font-size:12px;padding:3px 10px;border-radius:var(--radius-s);white-space:nowrap;flex-shrink:0}.ist-file-status-loading{color:var(--text-dim);background:var(--bg-3);border:1px solid var(--line);animation:ist-pulse 1s infinite alternate}.ist-file-status-ready{color:var(--good);background:#4ade801a;border:1px solid rgba(74,222,128,.2)}.ist-file-status-error{color:var(--bad);background:#f871711a;border:1px solid rgba(248,113,113,.2);cursor:help}.ist-file-remove{background:none;border:none;color:var(--text-faint);cursor:pointer;font-size:14px;padding:4px 8px;border-radius:var(--radius-s);transition:color .2s,background .2s;flex-shrink:0;line-height:1}.ist-file-remove:hover{color:var(--bad);background:#f871711a}.ist-preview-area{margin-top:24px;padding:20px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-m)}.ist-preview-title{font-family:var(--font-sans);font-size:14px;font-weight:600;color:var(--text-dim);margin:0 0 16px;text-transform:uppercase;letter-spacing:.04em}.ist-preview-container{display:flex;justify-content:center;align-items:center;padding:16px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-s);min-height:100px;overflow:auto}.ist-preview-canvas{display:block;border:1px solid var(--line);box-shadow:0 2px 8px #00000014}.ist-output-info{margin-top:12px;padding:10px 16px;font-family:var(--font-sans);font-size:14px;color:var(--text-dim);text-align:center;background:var(--bg-2);border-radius:var(--radius-s)}.ist-output-info strong{color:var(--accent);font-weight:700;font-family:var(--font-mono)}.ist-actions{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:24px;padding:16px 20px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-m)}.ist-actions .btn{padding:10px 24px;font-size:14px;display:inline-flex;align-items:center;gap:8px}.ist-actions .btn:disabled{opacity:.4;cursor:not-allowed;pointer-events:none}@keyframes ist-pulse{0%{opacity:.5}to{opacity:1}}@media(max-width:900px){.ist-settings{flex-direction:column;gap:14px;align-items:stretch}.ist-setting-group{min-width:unset}.ist-drop-zone{padding:32px 16px}.ist-actions{flex-direction:column;align-items:stretch;gap:12px}.ist-actions .btn{justify-content:center}}@media(max-width:500px){.ist-file-item{flex-wrap:wrap;gap:8px;padding:12px}.ist-file-info{flex-basis:calc(100% - 100px)}.ist-file-handle{display:none}.ist-file-thumb{width:36px;height:36px}.ist-preview-container{padding:8px}}