@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Noto+Sans+Georgian:wght@400;500;600;700&display=swap";:root{--font-family:"Inter", "Noto Sans Georgian", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--bg-primary:#f8fafc;--bg-surface:#fff;--bg-elevated:#f1f5f9;--bg-glass:#ffffffe6;--border-subtle:#e2e8f0;--border-focus:#3b82f6;--text-main:#0f172a;--text-muted:#64748b;--text-inverse:#fff;--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#eff6ff;--primary-glow:#2563eb26;--danger:#ef4444;--danger-hover:#dc2626;--danger-light:#fef2f2;--success:#10b981;--success-light:#ecfdf5;--warning:#f59e0b;--warning-light:#fffbeb;--shadow-sm:0 1px 3px #0000000d;--shadow-md:0 4px 6px -1px #00000012, 0 2px 4px -2px #0000000d;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -4px #0000000a;--shadow-xl:0 20px 25px -5px #00000014;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:20px;--transition:all .2s cubic-bezier(.4, 0, .2, 1)}body.dark-theme{--bg-primary:#0b0f17;--bg-surface:#131b26;--bg-elevated:#1e293b;--bg-glass:#131b26e6;--border-subtle:#273549;--border-focus:#60a5fa;--text-main:#f8fafc;--text-muted:#94a3b8;--text-inverse:#0f172a;--primary:#3b82f6;--primary-hover:#60a5fa;--primary-light:#3b82f626;--primary-glow:#3b82f640;--danger-light:#ef444426;--success-light:#10b98126;--warning-light:#f59e0b26;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 6px -1px #0006;--shadow-lg:0 10px 15px -3px #00000080;--shadow-xl:0 20px 25px -5px #0009}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-main);-webkit-font-smoothing:antialiased;flex-direction:column;min-height:100vh;line-height:1.5;transition:background-color .25s,color .25s;display:flex}#app{flex-direction:column;min-height:100vh;display:flex}.app-header{z-index:100;background:var(--bg-glass);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle);transition:var(--transition);position:sticky;top:0}.header-container{justify-content:space-between;align-items:center;gap:1.5rem;max-width:1100px;margin:0 auto;padding:.75rem 1.5rem;display:flex}.header-brand{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:.65rem;display:flex}.brand-icon{color:#fff;border-radius:var(--radius-md);width:38px;height:38px;box-shadow:0 3px 8px var(--primary-glow);background:linear-gradient(135deg,#2563eb,#3b82f6);justify-content:center;align-items:center;display:flex}.brand-text{align-items:center;display:flex}.brand-title{letter-spacing:-.02em;color:var(--text-main);font-size:1.2rem;font-weight:800}.header-nav-tabs{background:var(--bg-elevated);border-radius:var(--radius-md);border:1px solid var(--border-subtle);gap:4px;padding:4px;display:flex}.nav-tab-btn{color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);background:0 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var(--border-subtle);width:36px;height:36px;color:var(--text-main);cursor:pointer;transition:var(--transition);justify-content:center;align-items:center;display:flex}.theme-toggle-btn:hover{background:var(--bg-elevated);color:var(--primary)}.app-main-content{flex:1;width:100%;max-width:1000px;margin:0 auto;padding:2rem 1.5rem}.tool-view-container{width:100%}.tool-header-section{text-align:center;margin-bottom:2rem}.tool-view-title{letter-spacing:-.02em;color:var(--text-main);margin-bottom:.5rem;font-size:2rem;font-weight:800}.tool-view-desc{color:var(--text-muted);max-width:680px;margin:0 auto;font-size:1rem}.dropzone-wrapper{margin-bottom:2rem}.dropzone-area{border:2px dashed var(--border-subtle);border-radius:var(--radius-xl);background:var(--bg-surface);text-align:center;transition:var(--transition);cursor:pointer;padding:3rem 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1.25rem;display:flex}.file-name-highlight{font-size:1rem;font-weight:700}.file-pages-badge{background:var(--primary-light);color:var(--primary);border-radius:999px;margin-left:.6rem;padding:3px 9px;font-size:.75rem;font-weight:700}.files-list-wrapper{margin-bottom:2rem}.files-header-info{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.badge-count{color:var(--text-main);font-size:.95rem;font-weight:700}.btn-text-danger{color:var(--danger);cursor:pointer;background:0 0;border:none;align-items:center;gap:.35rem;font-size:.85rem;font-weight:600;display:inline-flex}.btn-text-danger:hover{text-decoration:underline}.merge-vertical-list{flex-direction:column;gap:.85rem;display:flex}.merge-item-row{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:var(--transition);grid-template-columns:auto auto 1fr auto;align-items:center;gap:1.25rem;padding:1rem 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img{object-fit:contain;width:100%;height:100%}.thumb-placeholder{color:var(--text-muted)}.row-main-content{flex-direction:column;gap:.6rem;min-width:0;display:flex}.row-file-info{flex-wrap:wrap;align-items:center;gap:.75rem;display:flex}.row-file-name{color:var(--text-main);white-space:nowrap;text-overflow:ellipsis;max-width:380px;font-size:1rem;font-weight:700;overflow:hidden}.row-file-meta{gap:.4rem;display:flex}.meta-tag{border-radius:var(--radius-sm);padding:2px 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var(--border-subtle);background:#fff;justify-content:center;align-items:center;height:160px;display:flex;overflow:hidden}.img-display-box img{object-fit:contain;max-width:100%;max-height:100%}body.dark-theme .img-display-box{background:#0f172a}.img-card-footer{justify-content:space-between;align-items:center;display:flex}.img-size-text{color:var(--text-muted);font-size:.75rem}.empty-state-box{text-align:center;color:var(--text-muted);padding:3rem}.tool-action-bar{justify-content:center;margin-top:2rem;display:flex}.action-bar-content{gap:1rem;display:flex}.btn{border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);border:none;justify-content:center;align-items:center;gap:.5rem;padding:.65rem 1.25rem;font-family:inherit;font-size:.95rem;font-weight:600;display:inline-flex}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px var(--primary-glow)}.btn-primary:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px)}.btn-primary:disabled{opacity:.55;cursor:not-allowed}.btn-secondary{background:var(--bg-surface);color:var(--text-main);border:1px solid var(--border-subtle)}.btn-secondary:hover:not(:disabled){background:var(--bg-elevated)}.btn-danger{background:var(--danger-light);color:var(--danger)}.btn-danger:hover:not(:disabled){background:var(--danger);color:#fff}.btn-lg{border-radius:var(--radius-lg);padding:.85rem 2.2rem;font-size:1.05rem}.btn-sm{padding:.45rem .85rem;font-size:.85rem}.btn-micro{border-radius:var(--radius-sm);background:var(--bg-surface);border:1px solid var(--border-subtle);width:30px;height:30px;color:var(--text-main);cursor:pointer;transition:var(--transition);justify-content:center;align-items:center;padding:0;display:inline-flex}.btn-micro:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.btn-micro:disabled{opacity:.35;cursor:not-allowed}.form-control{border-radius:var(--radius-sm);border:1px solid var(--border-subtle);background:var(--bg-surface);color:var(--text-main);transition:var(--transition);padding:.45rem .65rem;font-family:inherit;font-size:.9rem}.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow);outline:none}.spinner{border:2.5px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:18px;height:18px;animation:.8s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.toast-container{z-index:9999;pointer-events:none;flex-direction:column;gap:.75rem;display:flex;position:fixed;bottom:2rem;right:2rem}.toast-item{pointer-events:auto;background:var(--bg-surface);min-width:280px;max-width:420px;color:var(--text-main);border:1px solid var(--border-subtle);border-radius:var(--radius-md);box-shadow:var(--shadow-xl);opacity:0;align-items:center;gap:.75rem;padding:.85rem 1.15rem;transition:all .3s cubic-bezier(.16,1,.3,1);display:flex;transform:translateY(12px)}.toast-item.show{opacity:1;transform:translateY(0)}.toast-item.hide{opacity:0;transform:translateY(12px)}.toast-item.toast-success .toast-icon{color:var(--success)}.toast-item.toast-error .toast-icon{color:var(--danger)}.toast-item.toast-warning .toast-icon{color:var(--warning)}.toast-item.toast-info .toast-icon{color:var(--primary)}.toast-message{flex:1;font-size:.875rem;font-weight:500}.toast-close{color:var(--text-muted);cursor:pointer;background:0 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