*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background:#f0f4ff;min-height:100vh;color:#1e1e2e;-webkit-font-smoothing:antialiased}.page{display:flex;flex-direction:column;min-height:100vh}.container{width:100%;max-width:860px;margin:0 auto;padding:0 1.25rem}:root{--color-bg: #0f1117;--color-surface: #1a1d27;--color-border: #2a2d3a;--color-primary: #4f8ef7;--color-primary-hover: #3a7ae8;--color-accent: #7c5cfc;--color-text: #e2e8f0;--color-muted: #8892a4;--color-check: #34d399;--font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;--radius: 12px;--shadow: 0 4px 24px rgba(0, 0, 0, .35)}.header{background:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100}.header-inner{max-width:860px;margin:0 auto;padding:0 1rem;height:56px;display:flex;align-items:center;justify-content:space-between;font-family:var(--font-sans)}.logo{font-size:1.35rem;font-weight:700;letter-spacing:-.5px;color:var(--color-text);margin-left:-4px}.logo-accent{color:var(--color-primary)}.service{display:none}.nav{display:flex;align-items:center}.nav-link{color:var(--color-muted);text-decoration:none;font-size:.9rem;transition:color .2s}.nav-link:hover{color:var(--color-text)}.nav{transform:translate(-10px)}.main{flex:1;display:flex;align-items:center;justify-content:center;padding:3rem 1.5rem}.main .container{display:flex;justify-content:center}.card{background:#fff;border-radius:20px;border:1px solid #e2e6f0;padding:2.5rem 2.5rem 2rem;max-width:560px;width:100%;display:flex;flex-direction:column;gap:1.25rem}.hero-section{text-align:center;padding-bottom:.25rem}.hero-title{font-size:2rem;font-weight:800;letter-spacing:-.03em;color:#1e1e2e;margin:0 0 .5rem;background:linear-gradient(135deg,#6366f1,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-tagline{font-size:1rem;color:#4b5563;margin:0 0 1rem;line-height:1.6}.hero-badges{display:flex;justify-content:center;gap:.5rem;flex-wrap:wrap}.hero-badge{display:inline-flex;align-items:center;gap:.3rem;font-size:.75rem;font-weight:600;color:#6366f1;background:#eef0ff;border:1px solid #c7d2fe;border-radius:999px;padding:.25rem .75rem;letter-spacing:.01em}.drop-zone{border:2px dashed #c7d0e8;border-radius:14px;padding:2.5rem 1.5rem;display:flex;align-items:center;justify-content:center;transition:border-color .2s,background .2s;background:#f8f9ff;min-height:200px}.drop-zone:hover,.drop-zone.dragging{border-color:#6366f1;background:#eef0ff}.drop-zone.has-file{cursor:default;border-style:solid;border-color:#6366f1;background:#f5f6ff}.file-input{display:none}.drop-content{text-align:center;display:flex;flex-direction:column;align-items:center;gap:.5rem;cursor:pointer;width:100%}.drop-icon{font-size:2.5rem;margin-bottom:.25rem}.drop-text{font-size:1rem;font-weight:600;color:#374151}.drop-sub{font-size:.875rem;color:#9ca3af}.file-info{display:flex;align-items:center;gap:1rem;width:100%}.file-icon{font-size:2rem;flex-shrink:0}.file-details{flex:1;display:flex;flex-direction:column;gap:.2rem;min-width:0}.file-name{font-weight:600;color:#1e1e2e;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-size{font-size:.85rem;color:#6b7280}.file-list-wrap{width:100%;display:flex;flex-direction:column;gap:.8rem}.file-list-header{display:flex;justify-content:space-between;align-items:center;gap:.75rem}.file-list-title{display:block;font-size:.95rem;font-weight:700;color:#1f2937}.file-list-sub{margin:.2rem 0 0;font-size:.8rem;color:#6b7280}.file-list-add{padding:.45rem .8rem;font-size:.8rem}.file-list{list-style:none;display:flex;flex-direction:column;gap:.5rem}.file-row{display:flex;align-items:center;gap:.65rem;padding:.55rem .6rem;border:1px solid #dbe2f2;border-radius:10px;background:#fff;cursor:move}.file-row:hover{border-color:#c7d2fe}.file-row-order{width:24px;height:24px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:#eef0ff;color:#4f46e5;font-size:.75rem;font-weight:700;flex-shrink:0}.file-row-main{min-width:0;display:flex;flex-direction:column;gap:.15rem;flex:1}.file-row-actions{display:flex;align-items:center;gap:.35rem}.reorder-btn{background:#eef0ff;border:1px solid #c7d2fe;color:#4f46e5;border-radius:8px;width:30px;height:30px;cursor:pointer;font-size:.9rem;line-height:1}.reorder-btn:disabled{opacity:.5;cursor:not-allowed}.remove-btn{background:none;border:1px solid #e5e7eb;border-radius:8px;color:#9ca3af;font-size:.875rem;width:32px;height:32px;cursor:pointer;flex-shrink:0;transition:background .15s,border-color .15s,color .15s;display:flex;align-items:center;justify-content:center}.remove-btn:hover{background:#fee2e2;border-color:#fca5a5;color:#ef4444}.btn{display:inline-block;padding:.65rem 1.5rem;border-radius:10px;font-size:.9rem;font-weight:600;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s;border:none;text-decoration:none;text-align:center;font-family:inherit}.btn-primary{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;box-shadow:0 4px 14px #6366f159}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px #6366f173}.btn-outline{background:transparent;color:#6366f1;border:2px solid #6366f1}.btn-outline:hover{background:#eef0ff}.btn-ghost{background:transparent;color:#6b7280}.btn-ghost:hover{background:#f3f4f6;color:#374151}.compress-btn,.download-btn{width:100%;padding:.85rem;font-size:1rem}.progress-section{display:flex;flex-direction:column;gap:.5rem}.progress-label{font-size:.875rem;font-weight:500;color:#6366f1}.progress-bar{height:8px;background:#e5e7eb;border-radius:999px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#6366f1,#8b5cf6);border-radius:999px;transition:width .4s ease}.result-section{display:flex;flex-direction:column;align-items:center;gap:1rem;text-align:center}.result-icon{font-size:2.5rem}.result-title{font-size:1.25rem;font-weight:700;color:#1e1e2e}.size-comparison{display:flex;flex-direction:column;background:#f8f9ff;border-radius:12px;padding:1rem 1.5rem;width:100%;gap:.2rem}.size-row{display:grid;grid-template-columns:1fr auto;gap:1.5rem;align-items:baseline}.size-row--spacer{height:.75rem}.size-col-label{font-size:.72rem;font-weight:600;color:#9ca3af;text-transform:uppercase;letter-spacing:.06em}.size-col-value{font-size:.95rem;font-weight:600;color:#374151;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.size-col-value--compressed{color:#059669}.size-reduction{font-size:.9rem;color:#059669;font-weight:600;background:#d1fae5;padding:.35rem 1rem;border-radius:999px}.error-msg{font-size:.875rem;color:#ef4444;background:#fee2e2;border-radius:8px;padding:.65rem 1rem}.presigned-url-box{width:100%;background:#f8f9ff;border:1px solid #e0e3f0;border-radius:10px;padding:.9rem 1rem;display:flex;flex-direction:column;gap:.5rem;word-break:break-all}.presigned-url-label{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:#9ca3af}.presigned-url-link{font-size:.78rem;color:#6366f1;text-decoration:none;line-height:1.5}.presigned-url-link:hover{text-decoration:underline}.copy-btn{align-self:flex-start;background:#eef0ff;border:1px solid #c7d0f8;border-radius:6px;color:#6366f1;font-size:.8rem;font-weight:600;padding:.3rem .8rem;cursor:pointer;font-family:inherit;transition:background .15s}.copy-btn:hover{background:#e0e4ff}.service-notice{display:flex;align-items:flex-start;gap:.6rem;font-size:.82rem;line-height:1.55;color:#92400e;background:#fffbeb;border:1px solid #fde68a;border-left:3px solid #f59e0b;border-radius:8px;padding:.7rem 1rem}.service-notice-icon{flex-shrink:0;font-size:1rem;margin-top:.05rem}.note{font-size:.8rem;color:#9ca3af;background:#fafafa;border:1px solid #e5e7eb;border-radius:8px;padding:.75rem 1rem;line-height:1.55;display:flex;gap:.5rem;align-items:flex-start}.note-icon{flex-shrink:0}@media(max-width:640px){.card{padding:1.4rem}.drop-zone{padding:1.25rem .75rem}.file-list-header{flex-direction:column;align-items:flex-start}.file-row{gap:.45rem}}