@import "https://fonts.googleapis.com/css2?family=Belleza&family=Zen+Old+Mincho:wght@400&display=swap";:root{--bg:#f3f4f1;--surface:#fff;--surface2:#f7f8f5;--border:#121a1717;--border-mid:#121a172e;--accent:#0071e3;--accent-hover:#0077ed;--accent-light:#0071e312;--text:#161c1a;--text-muted:#58605c;--text-dim:#8d9590;--green:#28a745;--green-bg:#28a74517;--orange:#c77b00;--orange-bg:#ff9f0a1a;--red:#d93025;--red-bg:#d9302517;--radius:4px;--radius-sm:10px;--shadow:0 1px 3px #0a18140a;--shadow-hover:0 3px 12px #0a181414}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:radial-gradient(1000px 500px at 50% -220px, #0071e30d, transparent 70%), var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;flex-direction:column;align-items:center;min-height:100vh;padding:3rem 1.5rem 4rem;font-family:Belleza,Zen Old Mincho,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,sans-serif;display:flex}.container{width:100%;max-width:620px}header{text-align:center;margin-bottom:2.5rem;animation:.45s both fadeUp}.app-icon{background:linear-gradient(150deg,#77bdf7,#4e99db);border-radius:16px;justify-content:center;align-items:center;width:72px;height:72px;margin:0 auto 1.25rem;font-size:34px;display:flex}h1{letter-spacing:.01em;font-size:26px;font-weight:400;line-height:1.2}.subtitle{color:var(--text-muted);margin-top:6px;font-size:14px}.card{background:var(--surface);border-radius:var(--radius)}#drop-zone{text-align:center;cursor:pointer;padding:2.8rem 2rem;transition:box-shadow .2s,transform .2s,background .2s,border-color .2s;animation:.45s 70ms both fadeUp}#drop-zone:hover{box-shadow:var(--shadow-hover)}#drop-zone:focus-visible{box-shadow:0 0 0 3px #0071e32b, var(--shadow-hover);outline:none}#drop-zone.drag-over{background:var(--accent-light);border-color:#0071e3;transform:none}#drop-zone.drag-over *{pointer-events:none}.drop-icon-wrap{background:var(--surface2);border-radius:13px;justify-content:center;align-items:center;width:52px;height:52px;margin:0 auto 1rem;font-size:26px;transition:transform .2s,background .2s;display:flex}#drop-zone:hover .drop-icon-wrap{transform:scale(1.03)}#drop-zone.drag-over .drop-icon-wrap{background:#0071e31a;transform:scale(1.06)}.drop-title{margin-bottom:5px;font-size:16px;font-weight:500}.drop-sub{color:var(--text-muted);font-size:13px;line-height:1.6}.drop-sub p{margin-top:8px}.drop-link{color:var(--accent);font-weight:500}#file-input{display:none}#options-panel{flex-direction:column;margin-top:10px;padding:0 1.25rem;animation:.3s both fadeUp;display:none}.opt-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:13px 0;display:flex}.opt-row:last-child{border-bottom:none}.opt-label{color:var(--text);font-size:14px}.opt-hint{color:var(--text-muted);margin-top:2px;font-size:11px}select{background:var(--surface2);border:1px solid var(--border-mid);color:var(--text);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236e6e73' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;border-radius:8px;outline:none;padding:6px 28px 6px 10px;font-family:inherit;font-size:13px;transition:border-color .15s}select:focus{border-color:var(--accent)}.range-wrap{align-items:center;gap:10px;display:flex}input[type=range]{width:120px;accent-color:var(--accent)}.range-val{color:var(--text);text-align:right;min-width:28px;font-size:13px;font-weight:500}.color-trigger{cursor:pointer;align-items:center;gap:8px;display:flex}.color-swatch{border:1.5px solid var(--border-mid);background:#fff;border-radius:50%;width:26px;height:26px;transition:transform .15s}.color-trigger:hover .color-swatch{transform:scale(1.1)}.color-label{color:var(--text-muted);font-size:13px}#bg-color{display:none}.stats{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:10px;animation:.3s both fadeUp;display:none}.stat{text-align:center;padding:1rem}.stat-num{letter-spacing:-.03em;font-size:28px;font-weight:600;line-height:1}.stat-label{color:var(--text-muted);margin-top:5px;font-size:12px}#file-list-card{margin-top:10px;animation:.3s both fadeUp;display:none;overflow:hidden}#file-list{max-height:270px;overflow-y:auto}#file-list::-webkit-scrollbar{width:4px}#file-list::-webkit-scrollbar-thumb{background:var(--border-mid);border-radius:2px}.file-item{border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:9px 16px;transition:background .1s;display:flex}.file-item:last-child{border-bottom:none}.file-item:hover{background:var(--surface2)}.file-path{flex:1;overflow:hidden}.file-name-text{color:var(--text);text-overflow:ellipsis;white-space:nowrap;font-size:13px;display:block;overflow:hidden}.file-dir-text{color:var(--text-dim);text-overflow:ellipsis;white-space:nowrap;margin-top:1px;font-size:11px;display:block;overflow:hidden}.file-size{color:var(--text-dim);text-align:right;min-width:54px;font-size:11px}.badge{text-align:center;border-radius:20px;min-width:50px;padding:3px 10px;font-size:11px;font-weight:500}.badge-wait{background:var(--surface2);color:var(--text-muted)}.badge-proc{background:var(--orange-bg);color:var(--orange)}.badge-done{background:var(--green-bg);color:var(--green)}.badge-err{background:var(--red-bg);color:var(--red)}#progress-wrap{margin-top:10px;padding:1.1rem 1.25rem;animation:.3s both fadeUp;display:none}#progress-bar-bg{background:var(--surface2);border-radius:99px;height:5px;overflow:hidden}#progress-bar{background:var(--accent);border-radius:99px;width:0%;height:5px;transition:width .25s}#progress-text{color:var(--text-muted);text-align:center;margin-top:8px;font-size:12px}.action-row{gap:10px;margin-top:10px;animation:.3s both fadeUp;display:none}#btn-process{border-radius:var(--radius-sm);cursor:pointer;background:var(--accent);color:#fff;letter-spacing:.01em;border:none;flex:1;padding:14px 20px;font-family:inherit;font-size:15px;font-weight:500;transition:background .2s,transform .12s,box-shadow .2s}#btn-process:hover{background:var(--accent-hover);box-shadow:0 2px 10px #0071e333}#btn-process:active{box-shadow:none;transform:scale(.99)}#btn-process:disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}#btn-clear{border-radius:var(--radius-sm);cursor:pointer;border:1px solid var(--border-mid);background:var(--surface);color:var(--text-muted);padding:14px 16px;font-family:inherit;font-size:14px;transition:background .15s,color .15s}#btn-clear:hover{background:var(--surface2);color:var(--text)}.wasm-badge{border-radius:20px;align-items:center;gap:5px;margin-top:8px;padding:4px 10px;font-size:11px;display:inline-flex}.wasm-badge.loading{background:var(--orange-bg);color:var(--orange)}.wasm-badge.ready{background:var(--green-bg);color:var(--green)}footer{color:var(--text-dim);text-align:center;margin-top:2.5rem;font-size:12px;animation:.45s .2s both fadeUp}@keyframes fadeUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}