:root{color-scheme:light dark;--bg: #f6f7f9;--bg-subtle: #eef0f3;--surface: #ffffff;--surface-raised: #ffffff;--row-bg: #fbfbfd;--border: #e2e5ea;--border-strong: #cdd2da;--text: #14171f;--muted: #667085;--muted-strong: #475066;--accent: #16794f;--accent-hover: #106340;--accent-soft: #e6f4ec;--accent-soft-text: #0f6b41;--on-accent: #ffffff;--warn-bg: #fef3e0;--warn-text: #9a6400;--success-bg: #e3f6ea;--success-text: #147a41;--error: #d0392c;--error-bg: #fbe6e3;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);--shadow-md: 0 4px 14px rgba(16, 24, 40, .08);--shadow-lg: 0 16px 40px rgba(16, 24, 40, .12);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px}@media (prefers-color-scheme: dark){:root{--bg: #0e1013;--bg-subtle: #14171b;--surface: #181b20;--surface-raised: #1d2126;--row-bg: #1c1f25;--border: #2a2e35;--border-strong: #383e47;--text: #eceef1;--muted: #97a0b1;--muted-strong: #b7bfcc;--accent: #3fb37d;--accent-hover: #63c795;--accent-soft: #16241d;--accent-soft-text: #59d19a;--on-accent: #0b1410;--warn-bg: #2c2410;--warn-text: #f0c766;--success-bg: #122b1d;--success-text: #6fd6a0;--error: #f0796d;--error-bg: #2c1613;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 20px 48px rgba(0, 0, 0, .5)}}*{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:radial-gradient(1200px 480px at 50% -120px,var(--accent-soft),transparent 60%),var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.topnav{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.topnav-inner{max-width:880px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px}.brand-mark{width:28px;height:28px;color:var(--accent);display:inline-flex}.brand-mark svg{width:100%;height:100%}.brand-name{font-weight:700;font-size:17px;letter-spacing:-.01em}.nav-pill{font-size:12px;font-weight:600;color:var(--accent-soft-text);background:var(--accent-soft);padding:6px 12px;border-radius:999px}#app{max-width:720px;margin:0 auto;padding:40px 20px 64px}.card-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:0 0 20px}.card-head h1{font-size:clamp(20px,3vw,26px);line-height:1.2;letter-spacing:-.02em;font-weight:700;margin:0}.card{background:var(--surface-raised);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-lg)}.drop-zone{border:1.5px dashed var(--border-strong);border-radius:var(--radius-md);padding:36px 20px;text-align:center;cursor:pointer;background:var(--bg-subtle);transition:border-color .15s ease,background .15s ease}.drop-zone:hover,.drop-zone.dragover{border-color:var(--accent);background:var(--accent-soft)}.drop-icon{width:40px;height:40px;color:var(--accent);margin-bottom:12px}.drop-text{color:var(--text);font-weight:600;font-size:15px;margin:0 0 4px}.drop-subtext{color:var(--muted);font-size:13px;margin:0}.opt-group{padding:14px 0;border-top:1px solid var(--border)}.opt-group:first-of-type{border-top:0;padding-top:8px}.opt-group.hidden{display:none}.opt-title{margin:0 0 6px;font-size:13px;font-weight:700;letter-spacing:.01em}.hints-panel{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-subtle);padding:10px 14px}.hints-panel summary{cursor:pointer;font-weight:600;font-size:13.5px;color:var(--muted-strong);list-style:none}.hints-panel summary::-webkit-details-marker{display:none}.hints-panel summary:before{content:"▸";display:inline-block;margin-right:6px;transition:transform .15s ease}.hints-panel[open] summary:before{transform:rotate(90deg)}.hints-hint{font-size:12.5px;color:var(--muted);margin:8px 0 10px;line-height:1.5}.hints-fields{display:flex;gap:8px;flex-wrap:wrap}.hints-fields input{flex:1;min-width:150px;padding:9px 12px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:13.5px}.bulk-controls{margin-top:20px;display:flex;flex-direction:column;gap:12px;font-size:14px}.same-password-toggle{display:flex;align-items:center;gap:8px;color:var(--muted-strong);font-weight:500;cursor:pointer}.same-password-toggle input{width:16px;height:16px;accent-color:var(--accent)}.shared-password-row{display:flex;gap:8px}.shared-password-row input{flex:1;padding:10px 12px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:14px}.shared-password-row input:focus,.file-row-controls input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.password-field-wrap{position:relative;display:inline-flex;flex:1;min-width:0}.password-field-wrap input[type=password],.password-field-wrap input[type=text]{flex:1;min-width:0;padding-right:54px}.password-toggle-btn{position:absolute;right:6px;top:50%;transform:translateY(-50%);padding:4px 10px;border-radius:6px;border:none;background:transparent;color:var(--muted-strong);font-size:12px;font-weight:600;cursor:pointer}.password-toggle-btn:hover{color:var(--accent);background:var(--accent-soft)}.file-list{list-style:none;margin:20px 0 0;padding:0;display:flex;flex-direction:column;gap:10px}.file-row{background:var(--row-bg);border:1px solid var(--border);border-radius:var(--radius-md);padding:14px 16px;display:grid;gap:10px;box-shadow:var(--shadow-sm);transition:border-color .15s ease}.file-row-top{display:flex;align-items:baseline;justify-content:space-between;gap:8px;flex-wrap:wrap}.file-row-name{font-weight:600;font-size:14px;word-break:break-all;user-select:text;-webkit-user-select:text;cursor:text}.copy-name-btn{flex-shrink:0;border:1px solid var(--border);background:transparent;color:var(--muted);font-size:11px;font-weight:600;line-height:1;padding:4px 8px;border-radius:999px;cursor:pointer;transition:color .15s ease,border-color .15s ease}.copy-name-btn:hover,.copy-name-btn.copied{color:var(--accent);border-color:var(--accent)}.file-row-meta{color:var(--muted);font-size:12px;margin-right:auto}.file-row-controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.file-row-controls input[type=password]{flex:1;min-width:160px;padding:9px 12px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:14px}.status-badge{font-size:11.5px;font-weight:600;padding:4px 10px;border-radius:999px;background:var(--border);color:var(--muted-strong);white-space:nowrap}.status-badge.processing,.status-badge.checking{background:var(--warn-bg);color:var(--warn-text)}.status-badge.needs-password{background:var(--border);color:var(--muted-strong)}body.page-dragover:after{content:"";position:fixed;inset:0;z-index:50;pointer-events:none;background:color-mix(in srgb,var(--accent) 10%,transparent);border:3px dashed var(--accent)}.status-badge.done{background:var(--success-bg);color:var(--success-text)}.status-badge.error{background:var(--error-bg);color:var(--error)}.row-error{font-size:13px;color:var(--error);margin:0}.remove-row-btn{background:none;border:none;color:var(--muted);cursor:pointer;font-size:13px;padding:4px 0;font-weight:500}.remove-row-btn:hover{color:var(--error)}.drag-handle{cursor:grab;color:var(--muted);width:16px;height:16px;flex-shrink:0}.drag-handle:active{cursor:grabbing}.file-row.drag-over{border-color:var(--accent)}.progress-track{width:100%;height:5px;border-radius:999px;background:var(--border);overflow:hidden}.progress-fill{height:100%;background:var(--accent);border-radius:999px;transition:width .2s ease}.progress-label{font-size:12px;color:var(--muted);margin:4px 0 0}.bulk-actions{margin-top:24px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}.link-btn{background:none;border:none;color:var(--muted-strong);cursor:pointer;font-size:14px;font-weight:600;padding:0}.link-btn:hover{color:var(--text)}.primary-btn{display:inline-flex;align-items:center;justify-content:center;text-align:center;background:var(--accent);color:var(--on-accent);border:none;border-radius:var(--radius-sm);padding:13px 20px;font-size:15px;font-weight:600;cursor:pointer;text-decoration:none;box-shadow:var(--shadow-sm);transition:background .15s ease,transform .05s ease}.primary-btn:hover{background:var(--accent-hover)}.primary-btn:active{transform:translateY(1px)}.primary-btn:disabled{opacity:.55;cursor:not-allowed}.secondary-btn{display:inline-flex;align-items:center;justify-content:center;text-align:center;background:var(--surface);color:var(--accent-soft-text);border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:11px 16px;font-size:14px;font-weight:600;cursor:pointer;text-decoration:none;transition:border-color .15s ease,background .15s ease}.secondary-btn:hover{border-color:var(--accent);background:var(--accent-soft)}.secondary-btn:disabled{opacity:.5;cursor:not-allowed}.download-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:650;color:var(--on-accent);background:var(--accent);padding:10px 16px;border-radius:var(--radius-sm);text-decoration:none;white-space:nowrap;box-shadow:var(--shadow-sm);transition:background .15s ease}.download-link svg{width:17px;height:17px;flex-shrink:0}.download-link:hover{background:var(--accent-hover)}.file-row.is-done{border-color:color-mix(in srgb,var(--accent) 40%,var(--border));background:color-mix(in srgb,var(--accent-soft) 45%,var(--row-bg))}.hidden{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.drop-zone:focus-visible,.mode-btn:focus-visible,.primary-btn:focus-visible,.secondary-btn:focus-visible,.link-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.mode-toggle{display:flex;gap:8px;margin-bottom:18px}.mode-btn{flex:1;padding:10px 14px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-subtle);color:var(--muted-strong);font-weight:600;font-size:14px;cursor:pointer;transition:border-color .15s ease,background .15s ease,color .15s ease}.mode-btn.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-soft-text)}.cancel-row-btn{background:none;border:1px solid var(--border-strong);color:var(--muted-strong);cursor:pointer;font-size:12.5px;font-weight:600;padding:6px 10px;border-radius:var(--radius-sm)}.cancel-row-btn:hover{border-color:var(--error);color:var(--error)}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,12px);max-width:min(90vw,420px);background:var(--text);color:var(--bg);padding:12px 18px;border-radius:var(--radius-sm);font-size:13.5px;font-weight:500;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;z-index:100}.toast.visible{opacity:1;transform:translate(-50%)}.trust-line{max-width:620px;margin:18px auto 0;text-align:center;font-size:13px;line-height:1.6;color:var(--muted)}.trust-line #local-stats-text{color:var(--muted-strong);font-weight:600}.faq{margin-top:32px}.faq h2{font-size:18px;margin:0 0 12px}.faq details{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px;margin-bottom:8px}.faq summary{cursor:pointer;font-weight:600;font-size:14px;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary:before{content:"▸";display:inline-block;margin-right:8px;transition:transform .15s ease}.faq details[open] summary:before{transform:rotate(90deg)}.faq p{font-size:13.5px;line-height:1.6;color:var(--muted);margin:8px 0 0}.site-footer{margin-top:48px;padding-top:24px;border-top:1px solid var(--border);font-size:13px;color:var(--muted)}.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:14px}.footer-logo{display:inline-flex;align-items:center;height:18px;width:90px}.footer-logo svg{display:block;width:100%;height:100%}.footer-logo .nb-l{fill:var(--text)}.footer-logo .nb-a{fill:#5858fd}.footer-desc{font-size:13px;line-height:1.6;color:var(--muted);margin:0;max-width:34ch}.footer-contact{display:flex;flex-direction:column;gap:8px}.footer-contact-link{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);text-decoration:none}.footer-contact-link svg{width:15px;height:15px;color:var(--accent);flex-shrink:0}.footer-contact-link:hover{color:var(--text)}.footer-col-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 12px}.footer-nav{display:flex;flex-direction:column;gap:9px;font-size:13px}.footer-nav a{color:var(--muted-strong);text-decoration:none}.footer-nav a:hover{color:var(--accent)}.footer-bottom{margin-top:32px;padding-top:16px;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;gap:6px 20px;justify-content:space-between;font-size:12px;color:var(--muted)}@media (max-width: 720px){.footer-top{grid-template-columns:1fr;gap:24px}}@media (max-width: 560px){#app{padding:24px 14px 56px}.card{padding:18px;border-radius:var(--radius-md)}.card-head{margin-bottom:16px}}#scrollPill{position:fixed;right:24px;bottom:28px;z-index:999999;width:48px;height:48px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;background:var(--accent);color:var(--on-accent);box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transform:scale(.8) translateY(8px);transition:opacity .25s ease,transform .25s ease,background .2s ease,box-shadow .2s ease;-webkit-tap-highlight-color:transparent}#scrollPill.sp-visible{opacity:1;pointer-events:auto;transform:scale(1) translateY(0)}#scrollPill:hover{background:var(--accent-hover);transform:scale(1.1) translateY(0)}#scrollPill:active{transform:scale(.95) translateY(0)}#scrollPill svg{width:20px;height:20px;pointer-events:none;transition:transform .3s cubic-bezier(.34,1.56,.64,1)}#scrollPill.sp-mode-up svg{transform:rotate(0)}#scrollPill.sp-mode-down svg{transform:rotate(180deg)}@media (max-width: 600px){#scrollPill{width:44px;height:44px;right:16px;bottom:20px}}