*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #f97316;--gradient: linear-gradient(135deg, #f97316 0%, #dc2626 100%);--gradient-soft: linear-gradient(135deg, #fff7ed 0%, #fef2f2 100%);--surface: #ffffff;--bg: #fff8f5;--border: #fde8d8;--text: #0f0f1a;--text-muted: #6b7280;--radius: 16px;--shadow: 0 4px 24px rgba(249,115,22,.08);--shadow-hover: 0 12px 40px rgba(249,115,22,.18)}body{font-family:Inter,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;display:flex;flex-direction:column}header{background:#ffffffd9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}nav{max-width:860px;margin:0 auto;padding:0 28px;height:64px;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.35rem;color:var(--text);text-decoration:none;letter-spacing:-.5px}.logo-icon{width:36px;height:36px;background:var(--gradient);border-radius:10px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #f9731659}.logo-icon.small{width:26px;height:26px;border-radius:7px}.logo-accent{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.back-link{display:flex;align-items:center;gap:6px;color:var(--text-muted);text-decoration:none;font-size:.88rem;font-weight:600;padding:8px 14px;border-radius:99px;border:1.5px solid var(--border);transition:all .15s}.back-link:hover{color:var(--primary);border-color:var(--primary);background:#f5f5ff}.tool-hero{background:var(--bg);border-bottom:1px solid var(--border);padding:48px 28px;position:relative;overflow:hidden}.tool-hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse at 60% 50%,var(--bg) 0%,transparent 70%);pointer-events:none}.tool-hero-inner{max-width:860px;margin:0 auto;display:flex;align-items:center;gap:24px;position:relative;z-index:1}.tool-icon-large{font-size:2.8rem;width:80px;height:80px;min-width:80px;display:flex;align-items:center;justify-content:center;border-radius:20px;box-shadow:0 8px 24px #00000014;border:1.5px solid rgba(0,0,0,.06)}.tool-hero-text h1{font-size:2rem;font-weight:800;color:var(--color);letter-spacing:-.5px;margin-bottom:8px}.tool-hero-text p{color:var(--text-muted);font-size:1rem;line-height:1.5}main{flex:1}.tool-body{max-width:860px;margin:40px auto;padding:0 28px}.privacy-strip{max-width:860px;margin:0 auto 48px;padding:0 28px;display:flex;align-items:center;gap:10px;color:#6b7280;font-size:.85rem}.privacy-badge{background:#f0fdf4;border:1px solid #86efac;color:#16a34a;padding:4px 10px;border-radius:99px;font-size:.78rem;font-weight:600;white-space:nowrap}footer{background:#0f0f1a;padding:40px 28px;text-align:center}.footer-inner{max-width:600px;margin:0 auto}.footer-brand{display:flex;align-items:center;justify-content:center;gap:8px;font-weight:800;font-size:1.1rem;color:#fff;margin-bottom:12px;letter-spacing:-.5px}footer p{color:#6b7280;font-size:.85rem;line-height:1.6}footer .footer-copy{margin-top:16px;font-size:.78rem;color:#4b5563}.drop-zone{border:2px dashed var(--border);border-radius:20px;padding:60px 24px;text-align:center;background:var(--surface);cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}label.drop-zone{display:block}.drop-zone:before{content:"";position:absolute;inset:0;pointer-events:none;background:var(--gradient-soft);opacity:0;transition:opacity .2s}.drop-zone:hover,.drop-zone.drag-over{border-color:var(--accent, var(--primary));transform:translateY(-2px);box-shadow:0 16px 48px #f973161f}.drop-zone:hover:before,.drop-zone.drag-over:before{opacity:1}.drop-zone>*{position:relative;z-index:1}.drop-zone input[type=file]{display:none}.drop-zone .dz-icon{font-size:3.5rem;margin-bottom:16px;display:block}.drop-zone h3{font-size:1.15rem;font-weight:700;margin-bottom:8px}.drop-zone p{color:var(--text-muted);font-size:.9rem}.file-list{margin-top:20px;display:flex;flex-direction:column;gap:8px}.file-item{display:flex;align-items:center;gap:12px;background:var(--surface);border:1.5px solid var(--border);border-radius:12px;padding:12px 16px;transition:box-shadow .15s,border-color .15s}.file-item:hover{box-shadow:var(--shadow);border-color:#fdba74}.file-item .fi-icon{font-size:1.4rem}.file-item .fi-name{flex:1;font-size:.88rem;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-item .fi-size{color:var(--text-muted);font-size:.78rem;flex-shrink:0}.file-item .fi-remove{background:none;border:none;cursor:pointer;color:#d1d5db;font-size:1rem;padding:4px 6px;border-radius:6px;transition:all .15s}.file-item .fi-remove:hover{color:#ef4444;background:#fee2e2}.btn-primary{display:flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,var(--accent, #6366f1),color-mix(in srgb,var(--accent, #6366f1) 70%,#ec4899));color:#fff;border:none;border-radius:12px;padding:16px 32px;font-size:1rem;font-weight:700;cursor:pointer;transition:all .2s;width:100%;margin-top:20px;box-shadow:0 4px 20px color-mix(in srgb,var(--accent, #6366f1) 40%,transparent);font-family:inherit;letter-spacing:.01em}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px color-mix(in srgb,var(--accent, #6366f1) 50%,transparent)}.btn-primary:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}.btn-secondary{display:flex;align-items:center;justify-content:center;gap:8px;background:#fff;color:var(--text);border:1.5px solid var(--border);border-radius:12px;padding:13px 24px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .15s;margin-top:12px;width:100%;font-family:inherit}.btn-secondary:hover{border-color:var(--accent, var(--primary));color:var(--accent, var(--primary));background:#f8f8ff}.progress-bar{width:100%;height:6px;background:var(--border);border-radius:99px;margin-top:16px;overflow:hidden;display:none}.progress-bar.visible{display:block}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent, #6366f1),color-mix(in srgb,var(--accent, #6366f1) 60%,#ec4899));border-radius:99px;transition:width .3s ease;width:0%}.result-box{background:linear-gradient(135deg,#f0fdf4,#ecfdf5);border:1.5px solid #86efac;border-radius:20px;padding:40px;text-align:center;margin-top:24px;display:none}.result-box.visible{display:block;animation:popIn .3s cubic-bezier(.34,1.56,.64,1)}@keyframes popIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.result-box .res-icon{font-size:3.5rem;margin-bottom:14px;display:block}.result-box h3{font-size:1.25rem;font-weight:700;margin-bottom:6px;color:#15803d}.result-box p{color:#6b7280;font-size:.9rem;margin-bottom:24px}.btn-download{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,#16a34a,#15803d);color:#fff;border:none;border-radius:12px;padding:14px 32px;font-size:1rem;font-weight:700;cursor:pointer;text-decoration:none;transition:all .2s;box-shadow:0 4px 16px #16a34a4d;font-family:inherit}.btn-download:hover{transform:translateY(-2px);box-shadow:0 8px 24px #16a34a66}@supports not (color: color-mix(in srgb,red,blue)){.btn-primary{background:linear-gradient(135deg,var(--accent, #f97316),#dc2626);box-shadow:0 4px 20px #f973164d}.btn-primary:hover{box-shadow:0 8px 28px #f9731666}.progress-fill{background:var(--accent, #6366f1)}}@media (max-width: 768px){nav{padding:0 16px;height:56px}.tool-hero{padding:28px 16px}.tool-hero-inner{flex-direction:column;text-align:center;gap:14px}.tool-icon-large{width:64px;height:64px;min-width:64px;font-size:2.2rem;border-radius:16px}.tool-hero-text h1{font-size:1.6rem}.tool-body{margin:24px auto;padding:0 16px}.privacy-strip{padding:0 16px;margin-bottom:32px}.drop-zone{padding:40px 16px}footer{padding:32px 16px}}@media (max-width: 480px){.tool-hero-text h1{font-size:1.4rem}.privacy-strip{flex-wrap:wrap}}