@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--primary:#4f46e5;--primary-hover:#4338ca;--primary-light:#eef2ff;--primary-muted:#c7d2fe;--danger:#dc2626;--danger-hover:#b91c1c;--danger-light:#fef2f2;--success:#059669;--success-light:#ecfdf5;--warning:#d97706;--warning-light:#fffbeb;--bg:#f8fafc;--bg-alt:#f1f5f9;--card-bg:#fff;--text:#0f172a;--text-secondary:#64748b;--text-tertiary:#94a3b8;--border:#e2e8f0;--border-hover:#cbd5e1;--shadow-sm:0 1px 2px #0000000d;--shadow:0 1px 3px #00000014, 0 1px 2px #0000000a;--shadow-md:0 4px 6px -1px #00000014, 0 2px 4px -2px #0000000a;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -4px #0000000a;--radius:8px;--radius-lg:12px;--radius-xl:16px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}#root{flex-direction:column;min-height:100vh;display:flex}.app{flex:1;max-width:880px;margin:0 auto;padding:0 1.5rem 3rem}.topbar{background:var(--card-bg);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:2rem;padding:.75rem 1.5rem;display:flex}.topbar-brand{align-items:center;gap:.6rem;display:flex}.topbar-logo{background:var(--primary);border-radius:6px;justify-content:center;align-items:center;width:28px;height:28px;display:flex}.topbar-logo svg{fill:#fff;width:16px;height:16px}.topbar-name{color:var(--text);letter-spacing:-.01em;font-size:.95rem;font-weight:600}.topbar-version{color:var(--primary);background:var(--primary-light);letter-spacing:.02em;border-radius:4px;padding:.15rem .45rem;font-size:.7rem;font-weight:500}.topbar-right{color:var(--text-tertiary);font-size:.8rem}.header{text-align:center;margin-bottom:2rem;padding-top:.5rem}.header h1{letter-spacing:-.02em;color:var(--text);margin-bottom:.35rem;font-size:1.5rem;font-weight:700}.header p{color:var(--text-secondary);font-size:.875rem;font-weight:400}.steps-indicator{justify-content:center;align-items:center;gap:0;margin-bottom:2rem;display:flex}.step-dot{flex-direction:column;align-items:center;gap:.35rem;display:flex}.step-dot span{background:var(--bg-alt);width:32px;height:32px;color:var(--text-tertiary);border:2px solid var(--border);border-radius:50%;justify-content:center;align-items:center;font-size:.8rem;font-weight:600;transition:all .3s;display:flex}.step-dot.active span{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.step-dot.done span{background:var(--success);color:#fff;border-color:var(--success)}.step-dot label{color:var(--text-tertiary);letter-spacing:.01em;font-size:.75rem;font-weight:500}.step-dot.active label{color:var(--primary);font-weight:600}.step-dot.done label{color:var(--success)}.step-line{background:var(--border);border-radius:1px;width:48px;height:2px;margin:0 .4rem 1.2rem}.card{background:var(--card-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid var(--border);padding:2rem}.card h2{letter-spacing:-.01em;font-size:1.15rem;font-weight:600}.card h3{letter-spacing:-.01em;font-size:1rem;font-weight:600}.btn{border-radius:var(--radius);cursor:pointer;border:none;justify-content:center;align-items:center;gap:.4rem;padding:.55rem 1.1rem;font-family:inherit;font-size:.875rem;font-weight:500;line-height:1.4;transition:all .15s;display:inline-flex}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover);box-shadow:var(--shadow-sm)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:var(--danger-hover)}.btn-outline{background:var(--card-bg);color:var(--text);border:1px solid var(--border)}.btn-outline:hover:not(:disabled){border-color:var(--border-hover);background:var(--bg-alt)}.btn-sm{padding:.35rem .65rem;font-size:.8rem}.btn-ghost{color:var(--text-secondary);background:0 0;border:none;padding:.4rem .8rem}.btn-ghost:hover:not(:disabled){color:var(--text);background:var(--bg-alt)}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);text-align:center;cursor:pointer;padding:3rem 2rem;transition:all .2s}.upload-zone:hover{border-color:var(--primary-muted);background:var(--primary-light)}.upload-zone.dragging{border-color:var(--primary);background:var(--primary-light)}.upload-icon{background:var(--primary-light);border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;margin:0 auto 1rem;display:flex}.upload-icon svg{width:24px;height:24px;stroke:var(--primary);fill:none;stroke-width:2px}.upload-zone h3{color:var(--text);margin-bottom:.35rem;font-size:.95rem;font-weight:600}.upload-zone p{color:var(--text-secondary);font-size:.825rem}.items-list{flex-direction:column;gap:.5rem;margin:1.25rem 0;display:flex}.item-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--card-bg);align-items:flex-start;gap:.75rem;padding:.875rem 1rem;transition:all .15s;display:flex}.item-card:hover{border-color:var(--primary-muted);background:var(--primary-light)}.item-card input[type=checkbox]{width:16px;height:16px;accent-color:var(--primary);cursor:pointer;margin-top:.15rem}.item-info{flex:1;min-width:0}.item-text{word-break:break-all;color:var(--text);margin-bottom:.2rem;font-size:.875rem;font-weight:600}.item-type{background:var(--primary-light);color:var(--primary);border-radius:4px;margin-right:.4rem;padding:.1rem .4rem;font-size:.7rem;font-weight:500;display:inline-block}.item-reason{color:var(--text-secondary);margin-top:.2rem;font-size:.8rem;line-height:1.4}.loader{text-align:center;padding:3rem 1.5rem}.spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:36px;height:36px;margin:0 auto 1rem;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loader p{color:var(--text-secondary);font-size:.875rem}.preview-section{border-top:1px solid var(--border);margin-top:1.5rem;padding-top:1.5rem}.preview-section h3{margin-bottom:.75rem}.preview-pages{flex-direction:column;align-items:center;gap:1rem;display:flex}.preview-pages img{border:1px solid var(--border);border-radius:var(--radius);max-width:100%;box-shadow:var(--shadow-sm)}.actions-bar{border-top:1px solid var(--border);justify-content:flex-end;gap:.6rem;margin-top:1.5rem;padding-top:1.25rem;display:flex}.success-card{text-align:center;padding:2.5rem 2rem}.success-icon{background:var(--success-light);border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;margin:0 auto 1rem;display:flex}.success-icon svg{width:28px;height:28px;stroke:var(--success);fill:none;stroke-width:2.5px}.success-card h2{color:var(--text);margin-bottom:.35rem}.success-card p{color:var(--text-secondary);margin-bottom:1.5rem;font-size:.875rem}.select-bar{justify-content:space-between;align-items:center;margin-bottom:.5rem;display:flex}.select-bar label{cursor:pointer;align-items:center;gap:.5rem;font-size:.85rem;font-weight:500;display:flex}.count-badge{color:var(--text-tertiary);font-size:.8rem;font-weight:400}.error-msg{background:var(--danger-light);color:var(--danger);border-radius:var(--radius);border:1px solid #fecaca;margin-top:.75rem;padding:.65rem 1rem;font-size:.85rem;font-weight:500}.watermark-form{flex-direction:column;gap:.875rem;margin:1.25rem 0;display:flex}.form-group{flex-direction:column;flex:1;gap:.25rem;display:flex}.form-group label{color:var(--text-secondary);font-size:.8rem;font-weight:500}.form-group input[type=text],.form-group input[type=number]{border:1px solid var(--border);border-radius:var(--radius);color:var(--text);background:var(--card-bg);outline:none;padding:.5rem .75rem;font-family:inherit;font-size:.875rem;transition:border-color .15s,box-shadow .15s}.form-group input[type=text]:focus,.form-group input[type=number]:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.form-group input[type=range]{width:100%;accent-color:var(--primary)}.form-row{gap:.875rem;display:flex}.color-input-wrapper{align-items:center;gap:.5rem;display:flex}.color-input-wrapper input[type=color]{border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;width:34px;height:34px;padding:2px}.color-hex{color:var(--text-tertiary);font-family:SF Mono,Monaco,Cascadia Code,monospace;font-size:.8rem}.watermark-preview{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);justify-content:center;align-items:center;min-height:80px;padding:2rem;display:flex;overflow:hidden}.preset-bar{flex-wrap:wrap;align-items:center;gap:.4rem;margin:.75rem 0 .25rem;display:flex}.preset-label{color:var(--text-tertiary);font-size:.8rem;font-weight:500}.preset-chip{border:1px solid var(--border);background:var(--card-bg);border-radius:16px;align-items:center;font-size:.8rem;transition:border-color .15s;display:inline-flex;overflow:hidden}.preset-chip:hover{border-color:var(--primary-muted)}.preset-chip-btn{cursor:pointer;color:var(--text);background:0 0;border:none;padding:.25rem .55rem;font-family:inherit;font-size:.8rem}.preset-chip-btn:hover{background:var(--primary-light)}.preset-chip-delete{border:none;border-left:1px solid var(--border);cursor:pointer;color:var(--text-tertiary);background:0 0;padding:.25rem .35rem;font-size:.85rem;line-height:1}.preset-chip-delete:hover{background:var(--danger-light);color:var(--danger)}.save-preset-inline{align-items:center;gap:.35rem;display:inline-flex}.save-preset-inline input{border:1px solid var(--border);border-radius:var(--radius);outline:none;width:110px;padding:.35rem .55rem;font-family:inherit;font-size:.8rem}.save-preset-inline input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.mode-select-card{text-align:center;padding:2.5rem 2rem}.mode-select-card h2{margin-bottom:.35rem}.mode-select-card>p{color:var(--text-secondary);margin-bottom:2rem;font-size:.875rem}.mode-buttons{flex-wrap:wrap;justify-content:center;gap:1.25rem;display:flex}.mode-btn{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--card-bg);cursor:pointer;text-align:center;flex-direction:column;align-items:center;gap:.75rem;width:260px;padding:2rem 1.75rem;transition:all .2s;display:flex}.mode-btn:hover{border-color:var(--primary);box-shadow:var(--shadow-md), 0 0 0 1px var(--primary-light);transform:translateY(-1px)}.mode-icon{border-radius:var(--radius-lg);justify-content:center;align-items:center;width:48px;height:48px;display:flex}.mode-icon svg{stroke-width:1.5px;width:28px;height:28px}.mode-icon-shield{background:var(--primary-light)}.mode-icon-shield svg{stroke:var(--primary);fill:none}.mode-icon-droplet{background:#f0fdf4}.mode-icon-droplet svg{stroke:var(--success);fill:none}.mode-title{color:var(--text);font-size:1rem;font-weight:600}.mode-desc{color:var(--text-secondary);font-size:.825rem;line-height:1.5}.app-footer{text-align:center;color:var(--text-tertiary);border-top:1px solid var(--border);margin-top:auto;padding:1.5rem;font-size:.75rem}.app-footer a{color:var(--text-secondary);text-decoration:none}.app-footer a:hover{color:var(--primary)}