:root,[data-theme=dark]{--header-h: 3.25rem;--background-base: #111113;--background-grad-1: rgba(50, 50, 54, .4);--background-grad-2: rgba(30, 30, 33, .4);--background-grad-3: rgba(70, 70, 78, .2);--foreground: #f4f4f5;--foreground-muted: #a1a1aa;--card: rgba(18, 18, 24, .7);--card-border: rgba(255, 255, 255, .08);--card-shadow: 0 8px 32px rgba(0, 0, 0, .5);--input-bg: rgba(255, 255, 255, .04);--input-border: rgba(255, 255, 255, .1);--muted-bg: rgba(255, 255, 255, .03);--primary: #71717a;--primary-foreground: #ffffff;--primary-hover: #52525b;--primary-subtle: rgba(113, 113, 122, .15);--ring: rgba(113, 113, 122, .5);--header-bg: rgba(17, 17, 19, .85);--header-border: rgba(255, 255, 255, .06);--hover-overlay: rgba(255, 255, 255, .03);--toggle-track: rgba(255, 255, 255, .08);--radius: .5rem;--radius-sm: .375rem;--radius-xs: .25rem}[data-theme=light]{--header-h: 3.25rem;--background-base: #f4f4f5;--background-grad-1: rgba(212, 212, 216, .4);--background-grad-2: rgba(228, 228, 231, .3);--background-grad-3: rgba(212, 212, 216, .2);--foreground: #09090b;--foreground-muted: #71717a;--card: rgba(255, 255, 255, .8);--card-border: rgba(0, 0, 0, .06);--card-shadow: 0 8px 32px rgba(0, 0, 0, .06);--input-bg: rgba(0, 0, 0, .03);--input-border: rgba(0, 0, 0, .08);--muted-bg: rgba(0, 0, 0, .03);--primary: #3f3f46;--primary-foreground: #ffffff;--primary-hover: #27272a;--primary-subtle: rgba(63, 63, 70, .1);--ring: rgba(63, 63, 70, .4);--header-bg: rgba(244, 244, 245, .9);--header-border: rgba(0, 0, 0, .05);--hover-overlay: rgba(0, 0, 0, .02);--toggle-track: rgba(0, 0, 0, .06)}.btn-record{background-color:#ef44441a!important;color:#ef4444!important;border:1px solid rgba(239,68,68,.2)!important}.btn-record:hover{background-color:#ef444433!important;border-color:#ef4444!important}.btn-record.recording{background-color:#ef4444!important;color:#fff!important;animation:pulse-red 2s infinite}.record-dot{width:8px;height:8px;background-color:currentColor;border-radius:50%}@keyframes pulse-red{0%{box-shadow:0 0 #ef4444b3}70%{box-shadow:0 0 0 10px #ef444400}to{box-shadow:0 0 #ef444400}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}::-webkit-scrollbar{display:none}html{-ms-overflow-style:none;scrollbar-width:none}body{font-family:Inter,sans-serif;background-color:var(--background-base);background-image:radial-gradient(circle at 15% 50%,var(--background-grad-1),transparent 40%),radial-gradient(circle at 85% 30%,var(--background-grad-2),transparent 40%),radial-gradient(circle at 50% 80%,var(--background-grad-3),transparent 40%);background-attachment:fixed;color:var(--foreground);-webkit-font-smoothing:antialiased;min-height:100vh;transition:background-color .3s ease,color .3s ease}.app-shell{display:flex;flex-direction:column;min-height:100vh}.app-header{position:sticky;top:0;z-index:50;background-color:var(--header-bg);border-bottom:1px solid var(--header-border);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);transition:background-color .3s ease,border-color .3s ease}.header-container{max-width:80rem;margin:0 auto;width:100%;display:flex;align-items:center;justify-content:space-between;padding:.625rem 1.25rem}.logo{display:flex;align-items:center;gap:.625rem}.logo-icon{width:2rem;height:2rem;border-radius:var(--radius-sm);background-color:var(--primary-subtle);display:flex;align-items:center;justify-content:center;color:var(--primary);flex-shrink:0;overflow:hidden}.logo-text{font-size:.9375rem;font-weight:700;color:var(--foreground);letter-spacing:-.01em}.theme-toggle-btn{width:2.25rem;height:2.25rem;border-radius:var(--radius-sm);border:1px solid var(--card-border);background:var(--card);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:var(--foreground-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.theme-toggle-btn:hover{color:var(--primary);border-color:var(--ring);background-color:var(--primary-subtle)}[data-theme=dark] .icon-moon{display:none}[data-theme=dark] .icon-sun{display:block}[data-theme=light] .icon-sun{display:none}[data-theme=light] .icon-moon{display:block}.app-main{flex:1;max-width:80rem;margin:0 auto;width:100%;padding:2.5rem 1.25rem;display:flex;flex-direction:column;gap:1.25rem;align-items:flex-start}@media (min-width: 1024px){.app-main{flex-direction:row;align-items:flex-start}}.canvas-area{flex:1;display:flex;flex-direction:column;gap:1rem;min-width:0;align-self:flex-start}@media (min-width: 1024px){.canvas-area{position:sticky;top:calc(var(--header-h) + 2.5rem);height:calc(100vh - var(--header-h) - 5rem);overflow-y:auto;padding-right:.5rem}.canvas-area::-webkit-scrollbar{width:4px}.canvas-area::-webkit-scrollbar-track{background:transparent}.canvas-area::-webkit-scrollbar-thumb{background:var(--card-border);border-radius:2px}.canvas-area::-webkit-scrollbar-thumb:hover{background:var(--foreground-muted)}}.dropzone{flex:1;border:1px solid var(--card-border);border-radius:var(--radius);padding:3rem 2rem;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;cursor:pointer;transition:border-color .25s ease,background-color .25s ease;min-height:420px;background-color:var(--card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);overflow:hidden;position:relative;box-shadow:var(--card-shadow)}.dropzone:hover{border-color:var(--ring);background-color:color-mix(in srgb,var(--card) 95%,var(--primary) 5%)}.icon-box{width:3.5rem;height:3.5rem;border-radius:var(--radius-sm);background-color:var(--primary-subtle);display:flex;align-items:center;justify-content:center;color:var(--primary);transition:all .2s ease}.icon-box.highlight{background-color:var(--primary);color:var(--primary-foreground)}.drop-option:hover .icon-box.highlight{transform:scale(1.05);box-shadow:0 0 20px var(--ring)}.dropzone-split{display:flex;align-items:center;justify-content:center;width:100%;height:100%;gap:1.5rem;padding:1rem}.drop-option{flex:1;display:flex;flex-direction:column;align-items:center;gap:1.25rem;padding:2rem 1rem;border-radius:var(--radius-sm);transition:all .2s ease;cursor:pointer}.drop-option:hover{background-color:var(--hover-overlay)}.drop-divider{width:1px;height:120px;background-color:var(--card-border);opacity:.5}.drop-text-group{text-align:center}.drop-title{font-size:1rem;font-weight:600;color:var(--foreground);margin-bottom:.25rem}.drop-subtitle{font-size:.75rem;color:var(--foreground-muted)}.drop-hint{font-size:.625rem;color:var(--foreground-muted);margin-top:.5rem;opacity:.6}@media (max-width: 640px){.dropzone-split{flex-direction:column;gap:1rem}.drop-divider{width:80%;height:1px}}#output-container{width:100%;display:none;align-items:center;justify-content:center;flex:1;min-height:0;cursor:pointer}#output-container.flex{display:flex}#output-canvas{max-width:100%;max-height:100%;object-fit:contain;box-shadow:0 10px 40px #0000004d;border-radius:4px;background-color:transparent}#export-controls{display:flex;align-items:center;justify-content:space-between;padding:.875rem 1rem;border-radius:var(--radius);border:1px solid var(--card-border);background-color:var(--card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:var(--card-shadow)}.sidebar{display:flex;flex-direction:column;gap:.5rem;flex-shrink:0;width:100%}@media (min-width: 1024px){.sidebar{width:20rem}}@media (min-width: 1280px){.sidebar{width:22rem}}.filter-panel{background-color:var(--card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--card-border);border-radius:var(--radius);box-shadow:var(--card-shadow);transition:background-color .3s ease,border-color .3s ease}.filter-summary{list-style:none;display:flex;align-items:center;justify-content:space-between;padding:.6875rem 1rem;cursor:pointer;-webkit-user-select:none;user-select:none;transition:background-color .15s ease}.filter-summary:hover{background-color:var(--hover-overlay)}.filter-summary::-webkit-details-marker{display:none}.filter-title-group{display:flex;align-items:center;gap:.5rem;font-size:.8125rem;font-weight:600;color:var(--foreground);letter-spacing:-.005em}.filter-panel .chevron{color:var(--foreground-muted);transition:transform .25s ease;flex-shrink:0}.filter-panel[open] .chevron{transform:rotate(180deg)}.filter-body{padding:1rem;display:flex;flex-direction:column;gap:.75rem;border-top:1px solid var(--card-border)}.info-panel .filter-body{gap:.625rem}.control-group{display:flex;flex-direction:column;gap:.375rem}.sub-label{font-size:.75rem;font-weight:500;color:var(--foreground-muted)}.toggle-group{display:flex;border-radius:var(--radius-sm);border:1px solid var(--card-border);overflow:hidden;background-color:var(--muted-bg)}.toggle-group button{flex:1;padding:.4rem 0;font-size:.72rem;font-weight:500;border:none;background:transparent;color:var(--foreground-muted);cursor:pointer;transition:all .15s ease;font-family:Inter,sans-serif}.toggle-group button:not(:disabled):hover{color:var(--foreground);background-color:var(--hover-overlay)}.toggle-group button.active{background-color:var(--primary);color:var(--primary-foreground)}.toggle-group button:disabled{cursor:not-allowed;opacity:.5}.input-textarea{min-height:60px;width:100%;border-radius:var(--radius-xs);border:1px solid var(--input-border);background:var(--input-bg);padding:.5rem .75rem;font-size:.75rem;font-family:Ubuntu Mono,monospace;color:var(--foreground);resize:none;height:4rem;line-height:1.375;transition:border-color .15s ease}.input-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px var(--ring)}.input-select{height:2.125rem;width:100%;border-radius:var(--radius-xs);border:1px solid var(--input-border);background:var(--input-bg);padding:0 .75rem;font-size:.8125rem;color:var(--foreground);-webkit-appearance:none;-moz-appearance:none;appearance:none;font-family:Inter,sans-serif;transition:border-color .15s ease;cursor:pointer}.input-select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px var(--ring)}.input-select option{background-color:var(--background-base);color:var(--foreground)}[data-theme=light] .input-select option{background-color:#fff}.input-text{height:2rem;border-radius:var(--radius-xs);border:1px solid var(--input-border);background:var(--input-bg);padding:.25rem .75rem;font-size:.75rem;font-family:Ubuntu Mono,monospace;color:var(--foreground);width:100%;transition:border-color .15s ease}.input-text:focus{outline:none;border-color:var(--primary)}.hint-text{font-size:.7rem;color:var(--foreground-muted);opacity:.8}.color-grid{display:grid;grid-template-columns:1fr auto 1fr;align-items:flex-end;gap:.5rem}.color-picker{width:2rem;height:2rem;border-radius:.25rem;border:1px solid var(--card-border);cursor:pointer;padding:0;background:transparent;flex-shrink:0}.color-picker::-webkit-color-swatch-wrapper{padding:0}.color-picker::-webkit-color-swatch{border:none;border-radius:.25rem}.btn-icon{width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-xs);border:1px solid var(--card-border);background:transparent;color:var(--foreground-muted);cursor:pointer;transition:all .2s ease}.btn-icon:hover{color:var(--primary);border-color:var(--ring);background-color:var(--primary-subtle)}.swap-btn{margin-bottom:.125rem}.btn-chip{padding:.25rem .625rem;border-radius:.25rem;font-size:.72rem;font-weight:500;border:1px solid var(--card-border);background:transparent;color:var(--foreground-muted);cursor:pointer;transition:all .2s ease;font-family:Inter,sans-serif}.btn-chip:hover{border-color:var(--ring);color:var(--foreground);background-color:var(--primary-subtle)}.btn-chip.active{border-color:var(--primary);background-color:var(--primary-subtle);color:var(--primary)}.theme-btn{padding:.25rem .5rem;border-radius:.25rem;font-size:.72rem;font-weight:500;border:1px solid var(--card-border);cursor:pointer;transition:all .2s ease;font-family:Inter,sans-serif}.theme-btn:hover{border-color:var(--ring);box-shadow:0 0 0 2px var(--ring)}.btn-primary{background-color:var(--primary);color:var(--primary-foreground);border:none;padding:.5rem 1.125rem;border-radius:var(--radius-xs);font-size:.875rem;font-weight:500;cursor:pointer;transition:background-color .2s ease,transform .1s ease;font-family:Inter,sans-serif}.btn-primary:hover{background-color:var(--primary-hover)}.btn-primary:active{transform:scale(.98)}.btn-reset{font-size:.625rem;color:var(--foreground-muted);background:transparent;border:none;cursor:pointer;padding:0 .25rem;transition:color .2s;font-family:Inter,sans-serif}.btn-reset:hover{color:var(--primary)}.clear-bg-btn{font-size:.7rem;color:var(--foreground-muted);background:transparent;border:none;cursor:pointer;text-align:right;transition:color .2s;font-family:Inter,sans-serif}.clear-bg-btn:hover{color:var(--foreground)}.slider-group{display:flex;flex-direction:column;gap:.4rem}.slider-header{display:flex;align-items:center;justify-content:space-between}.val-display{font-size:.72rem;font-family:Ubuntu Mono,monospace;color:var(--foreground-muted);text-align:right}.slider{-webkit-appearance:none;width:100%;height:.3125rem;border-radius:9999px;background:var(--muted-bg);outline:none;border:1px solid var(--card-border)}.slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:1rem;height:1rem;border-radius:50%;background:var(--primary);border:2px solid var(--background-base);cursor:pointer;box-shadow:0 0 0 1px var(--ring);transition:transform .15s ease}.slider::-webkit-slider-thumb:hover{transform:scale(1.15)}.switch{position:relative;display:inline-block;width:2.25rem;height:1.25rem;flex-shrink:0}.switch input{opacity:0;width:0;height:0}.switch-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:var(--toggle-track);transition:background-color .2s;border-radius:9999px;border:1px solid var(--card-border)}.switch-slider:before{position:absolute;content:"";height:.875rem;width:.875rem;left:.15rem;bottom:.15rem;background-color:var(--foreground-muted);transition:transform .2s ease,background-color .2s ease;border-radius:50%}input:checked+.switch-slider{background-color:var(--primary);border-color:var(--primary)}input:checked+.switch-slider:before{transform:translate(1rem);background-color:#fff}.info-text{font-size:.75rem;color:var(--foreground-muted);line-height:1.6}.info-text strong{color:var(--foreground);font-weight:600}.hidden{display:none!important}.flex{display:flex}.flex-col{flex-direction:column}.flex-1{flex:1 1 0%}.items-center{align-items:center}.justify-between{justify-content:space-between}.flex-wrap{flex-wrap:wrap}.gap-1{gap:.25rem}.gap-1\.5{gap:.375rem}.gap-2{gap:.5rem}.gap-3{gap:.75rem}.gap-4{gap:1rem}.text-sm{font-size:.875rem}.font-mono{font-family:Ubuntu Mono,monospace}.text-muted-foreground{color:var(--foreground-muted)}.text-primary{color:var(--primary)}.font-medium{font-weight:500}.font-semibold{font-weight:600}.bg-card{background-color:var(--card)}.border{border:1px solid var(--card-border)}.border-border{border-color:var(--card-border)}.p-4{padding:1rem}.rounded-xl{border-radius:var(--radius)}.download-dropdown-container{position:relative;width:100%}.download-dropdown{position:absolute;top:100%;left:0;width:100%;background-color:var(--card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--primary);border-radius:var(--radius-xs);box-shadow:0 10px 25px -5px #0006;z-index:100;display:flex;flex-direction:column;overflow:hidden;margin-top:.25rem;animation:dropdown-slide .2s ease-out}@keyframes dropdown-slide{0%{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}.dropdown-item{width:100%;padding:.625rem 1rem;font-size:.8125rem;font-weight:500;color:var(--foreground);background:transparent;border:none;border-bottom:1px solid var(--card-border);cursor:pointer;text-align:left;transition:all .2s ease;font-family:Inter,sans-serif}.dropdown-item:last-child{border-bottom:none}.dropdown-item:hover{background-color:var(--primary);color:var(--primary-foreground)}