:root{--font-mono:"IBM Plex Mono", monospace;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--radius-full:9999px;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:12px;--spacing-base:16px;--spacing-lg:20px;--spacing-xl:24px;--spacing-xxl:32px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{background:var(--bg);width:100%;height:100%;overflow:hidden}body{font-family:var(--font-mono);background-color:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;font-variant-numeric:tabular-nums;font-feature-settings:"kern" 1, "liga" 1, "calt" 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.1s;display:flex}.titlebar-btn:hover{background:var(--surface-offset)}.titlebar-btn-close:hover{background:var(--error);color:#fff}.app{height:100vh;display:flex;overflow:hidden}[data-tauri].app{padding-top:36px}.tab-bar{background:var(--surface);border-right:1px solid var(--border);width:48px;min-width:48px;height:100vh;padding:var(--spacing-md) 0;flex-direction:column;justify-content:space-between;align-items:center;display:flex}[data-tauri] .tab-bar{height:calc(100vh - 36px)}.tab-bar-top,.tab-bar-bottom{align-items:center;gap:var(--spacing-xs);flex-direction:column;display:flex}.tab-btn{border-radius:var(--radius-md);width:36px;height:36px;color:var(--text-muted);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;font-size:18px;transition:all 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0;display:flex}.section-header:hover .section-title{color:var(--text)}.section-chevron{color:var(--text-faint);flex-shrink:0;transition:transform .15s cubic-bezier(.175,.885,.32,1.1)}.section-chevron.open{transform:rotate(90deg)}.section-body{transition:max-height .15s cubic-bezier(.175,.885,.32,1.1),opacity .1s;overflow:hidden}.batch-grid{gap:var(--spacing-base);width:100%;max-height:calc(100vh - 80px);padding:var(--spacing-lg);grid-template-columns:repeat(auto-fill,minmax(140px,1fr));display:grid;overflow-y:auto}[data-tauri] .batch-grid{max-height:calc(100vh - 116px)}.batch-item{align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);flex-direction:column;transition:border-color .15s,transform .15s;animation:.25s cubic-bezier(.16,1,.3,1) both batch-item-in;display:flex}.batch-item:nth-child(n+1){animation-delay:.3s}@keyframes batch-item-in{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}.batch-item:hover{border-color:var(--primary);transform:translateY(-1px)}.batch-qr{aspect-ratio:1;width:100%}.batch-qr svg{border-radius:var(--radius-md);width:100%;height:100%}.batch-label{color:var(--text-muted);text-align:center;white-space:nowrap;text-overflow:ellipsis;width:100%;font-size:10px;overflow:hidden}.batch-empty{color:var(--text-faint);text-align:center;padding:var(--spacing-xxl);font-size:13px;animation:4s ease-in-out infinite placeholder-breathe}.batch-guide{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:0 var(--spacing-base);opacity:0;max-height:0;margin-bottom:0;transition:max-height .25s cubic-bezier(.16,1,.3,1),opacity .2s,padding .25s cubic-bezier(.16,1,.3,1),margin-bottom .25s cubic-bezier(.16,1,.3,1);overflow:hidden}.batch-guide-open{opacity:1;max-height:300px;padding:var(--spacing-base);margin-bottom:var(--spacing-sm)}.batch-guide-title{color:var(--text);margin-bottom:6px;font-size:12px;font-weight:600}.batch-guide-text{color:var(--text-muted);margin-bottom:6px;font-size:11px;line-height:1.5}.batch-guide-text code{background:var(--surface-offset);border-radius:3px;padding:1px 4px;font-size:10px}.batch-dropzone{border:1.5px dashed var(--border);border-radius:var(--radius-md);padding:var(--spacing-sm) var(--spacing-base);text-align:center;color:var(--text-faint);cursor:pointer;margin-top:6px;font-size:11px;transition:border-color .15s,background .15s}.batch-dropzone:hover{border-color:var(--text-muted);background:var(--surface)}.batch-dropzone-active{border-color:var(--primary);background:var(--primary-bg)}@media (max-width:767px){.app{flex-direction:column}[data-tauri].app{padding-top:0}.titlebar{display:none}.tab-bar{border-right:none;border-top:1px solid var(--border);width:100%;min-width:100%;height:48px;min-height:48px;padding:0 var(--spacing-sm);flex-direction:row;order:3}[data-tauri] .tab-bar{height:48px;margin-top:0}.tab-bar-top,.tab-bar-bottom{flex-direction:row;gap:0}.tab-btn{width:40px;height:40px}.side-panel{border-right:none;border-top:1px solid var(--border);width:100%;min-width:100%;height:auto;max-height:50vh;padding:var(--spacing-md);order:2}[data-tauri] .side-panel{height:auto;max-height:50vh;margin-top:0}.main{padding:var(--spacing-lg);flex:1;order:1;min-height:0}.qr-card{width:100%;max-width:320px}.qr-container{aspect-ratio:1;width:100%!important;height:auto!important}.qr-preview svg{width:100%;height:100%}.action-row{flex-wrap:wrap;justify-content:center}.btn-row{flex-wrap:wrap}.color-preset-grid{grid-template-columns:repeat(8,1fr)}}@media (max-width:480px){.main{padding:var(--spacing-md)}.qr-card{max-width:260px}.side-panel{padding:var(--spacing-sm)}.welcome-content{padding:20px}.welcome-title{font-size:18px}.color-preset-grid{grid-template-columns:repeat(6,1fr)}.shape-grid{grid-template-columns:repeat(auto-fill,minmax(48px,1fr))}.confirm-panel{width:calc(100% - 32px);min-width:auto;margin:16px}}@media (min-width:901px) and (max-width:1200px){.side-panel{width:240px;min-width:240px}}