:root{--nf-bg: #0b0f1a;--nf-panel: #131a2b;--nf-panel-hover: #182238;--nf-blue: #3a8dde;--nf-gold: #d9a441;--nf-purple: #8b5cf6;--nf-green: #22c55e;--nf-red: #ef4444;--nf-text: #e8edf6;--nf-muted: #9aa6bd;--nf-border: rgba(255, 255, 255, .08);--nf-header-bg: rgba(0, 0, 0, .45);--nf-footer-bg: rgba(0, 0, 0, .35);--nf-dropzone-bg: rgba(0, 0, 0, .15);--nf-dropzone-border: rgba(255, 255, 255, .15);--nf-card-shadow: 0 16px 36px rgba(0, 0, 0, .4);--nf-progress-bg: rgba(0, 0, 0, .25);--nf-progress-bar-bg: rgba(255, 255, 255, .08);--nf-result-bg: #080c14;--nf-result-text: #d1d5db;--nf-btn-copy-bg: rgba(255, 255, 255, .08);--nf-btn-copy-hover: rgba(255, 255, 255, .14);--nf-body-bg: radial-gradient(1200px 600px at 50% -10%, #182136 0%, #0b0f1a 60%);--nf-toggle-bg: rgba(255, 255, 255, .08);--nf-toggle-border: rgba(255, 255, 255, .15);color-scheme:dark}[data-theme=light]{--nf-bg: #f4f6fa;--nf-panel: #ffffff;--nf-panel-hover: #f8fafc;--nf-blue: #1d72b8;--nf-gold: #b47d1b;--nf-purple: #7c3aed;--nf-green: #16a34a;--nf-red: #dc2626;--nf-text: #1e293b;--nf-muted: #64748b;--nf-border: rgba(0, 0, 0, .1);--nf-header-bg: rgba(255, 255, 255, .85);--nf-footer-bg: rgba(255, 255, 255, .85);--nf-dropzone-bg: #f8fafc;--nf-dropzone-border: rgba(0, 0, 0, .16);--nf-card-shadow: 0 12px 32px rgba(15, 23, 42, .08);--nf-progress-bg: #f1f5f9;--nf-progress-bar-bg: #e2e8f0;--nf-result-bg: #f8fafc;--nf-result-text: #0f172a;--nf-btn-copy-bg: #e2e8f0;--nf-btn-copy-hover: #cbd5e1;--nf-body-bg: radial-gradient(1200px 600px at 50% -10%, #e2e8f4 0%, #f4f6fa 60%);--nf-toggle-bg: #ffffff;--nf-toggle-border: rgba(0, 0, 0, .15);color-scheme:light}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100%}body{font-family:Segoe UI,system-ui,-apple-system,Roboto,Arial,sans-serif;background:var(--nf-body-bg);color:var(--nf-text);transition:background .25s ease,color .25s ease}.app{display:flex;flex-direction:column;min-height:100vh}.app-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;background:var(--nf-header-bg);border-bottom:1px solid var(--nf-border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:background .25s ease,border-color .25s ease}.brand{display:flex;align-items:center;gap:12px}.brand img{height:40px;width:auto;border-radius:8px;object-fit:contain;transition:opacity .2s ease}.brand-title{font-size:1.15rem;font-weight:700;letter-spacing:.2px}.header-actions{display:flex;align-items:center;gap:14px}.theme-toggle-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;border-radius:50%;font-size:1.15rem;cursor:pointer;background:var(--nf-toggle-bg);color:var(--nf-text);border:1px solid var(--nf-toggle-border);transition:all .2s ease;flex-shrink:0}.theme-toggle-btn:hover{border-color:var(--nf-blue);transform:translateY(-1px);box-shadow:0 4px 12px #0000001f}.theme-toggle-icon{font-size:1.15rem;line-height:1}.desktop-cta{display:flex;align-items:center;gap:12px}.desktop-cta .hint{color:var(--nf-muted);font-size:.85rem;max-width:220px;text-align:right}.download-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:10px;font-weight:600;text-decoration:none;color:#0b0f1a;background:linear-gradient(135deg,var(--nf-blue),var(--nf-gold));border:none;white-space:nowrap;transition:transform .12s ease,box-shadow .12s ease}.download-btn:hover{transform:translateY(-1px);box-shadow:0 8px 24px #3a8dde59}.app-main{flex:1;display:flex;align-items:center;justify-content:center;padding:36px 20px 48px}.converter-container{width:100%;max-width:820px}.hero{text-align:center;margin-bottom:24px}.hero h1{font-size:2.2rem;margin:0 0 10px;letter-spacing:-.5px}.hero p{color:var(--nf-muted);font-size:1.05rem;line-height:1.6;margin:0 auto;max-width:660px}.ocr-card{background:var(--nf-panel);border:1px solid var(--nf-border);border-radius:16px;padding:24px;box-shadow:var(--nf-card-shadow);transition:background .25s ease,border-color .25s ease,box-shadow .25s ease}.dropzone{border:2px dashed var(--nf-dropzone-border);border-radius:12px;padding:36px 20px;text-align:center;cursor:pointer;transition:border-color .2s,background-color .2s;background:var(--nf-dropzone-bg)}.dropzone:hover,.dropzone.drag-active{border-color:var(--nf-blue);background:#3a8dde14}.dropzone-icon{font-size:2.8rem;margin-bottom:10px}.dropzone-text{color:var(--nf-muted);font-size:1rem}.dropzone-text strong{color:var(--nf-blue)}.file-name-highlight{color:var(--nf-gold);font-weight:600;font-size:1.05rem}.action-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;justify-content:center}button{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:10px;font-size:.95rem;font-weight:600;cursor:pointer;border:none;transition:opacity .15s ease,transform .1s ease}button:disabled{opacity:.45;cursor:not-allowed}button:not(:disabled):active{transform:translateY(1px)}.btn-process-all{background:var(--nf-blue);color:#fff}.btn-process-all:hover:not(:disabled){opacity:.92}.btn-process-paged{background:var(--nf-purple);color:#fff}.btn-process-paged:hover:not(:disabled){opacity:.92}.btn-download{background:transparent;color:var(--nf-text);border:1px solid var(--nf-border)}.btn-download:hover{background:var(--nf-btn-copy-hover)}.progress-section{margin-top:22px;background:var(--nf-progress-bg);border:1px solid var(--nf-border);border-radius:12px;padding:16px;transition:background .25s ease,border-color .25s ease}.progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.counter-badge{font-size:1rem;font-weight:700;color:var(--nf-purple)}.progress-percentage{font-size:.95rem;font-weight:600;color:var(--nf-muted)}.progress-bar-bg{height:8px;background:var(--nf-progress-bar-bg);border-radius:999px;overflow:hidden}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--nf-purple),var(--nf-blue));border-radius:999px;transition:width .3s ease}.progress-status-msg{font-size:.85rem;color:var(--nf-muted);margin-top:8px;text-align:center}.alert-box{margin-top:16px;padding:12px 16px;border-radius:8px;font-size:.92rem;text-align:center}.alert-box.error{background:#ef44441f;border:1px solid rgba(239,68,68,.3);color:#fca5a5}.alert-box.success{background:#22c55e1f;border:1px solid rgba(34,197,94,.3);color:#86efac}[data-theme=light] .alert-box.error{background:#fef2f2;border-color:#fecaca;color:#b91c1c}[data-theme=light] .alert-box.success{background:#f0fdf4;border-color:#bbf7d0;color:#15803d}.badge{display:inline-block;font-size:.75rem;font-weight:600;padding:2px 8px;border-radius:999px;margin-left:8px}.badge.stored{background:#22c55e33;color:var(--nf-green)}.badge.warn{background:#ef444433;color:var(--nf-red)}[data-theme=light] .badge.stored{background:#dcfce7;color:#166534}[data-theme=light] .badge.warn{background:#fee2e2;color:#991b1b}.result-section{margin-top:24px}.result-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.result-header h3{margin:0;font-size:1.1rem}.btn-copy{padding:6px 12px;font-size:.82rem;background:var(--nf-btn-copy-bg);color:var(--nf-text);border:1px solid var(--nf-border)}.btn-copy:hover{background:var(--nf-btn-copy-hover)}.result-text-area{white-space:pre-wrap;direction:auto;text-align:right;background:var(--nf-result-bg);border:1px solid var(--nf-border);border-radius:10px;padding:16px;max-height:400px;overflow-y:auto;line-height:1.8;font-family:inherit;font-size:1rem;color:var(--nf-result-text);box-shadow:inset 0 2px 6px #0000000a;transition:background .25s ease,border-color .25s ease,color .25s ease}.spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.app-footer{padding:18px 24px;border-top:1px solid var(--nf-border);background:var(--nf-footer-bg);display:flex;justify-content:center;transition:background .25s ease,border-color .25s ease}.powered-by{display:inline-flex;align-items:center;gap:10px;color:var(--nf-muted);text-decoration:none;font-size:.95rem;transition:color .12s ease}.powered-by:hover{color:var(--nf-text)}.powered-by img{height:26px;width:auto;border-radius:6px;object-fit:contain;transition:opacity .2s ease}@media (max-width: 640px){.app-header{flex-direction:column;align-items:stretch;gap:12px}.header-actions{flex-direction:column;align-items:stretch;gap:10px}.theme-toggle-btn{justify-content:center}.desktop-cta{width:100%;justify-content:space-between}.desktop-cta .hint{text-align:left}}