:root{--bg: #f4f5f7;--panel: #ffffff;--panel-border: #e3e6ea;--text: #1c2530;--text-muted: #66727f;--primary: #2f6fed;--primary-hover: #2559c9;--primary-contrast: #ffffff;--danger: #d64545;--accent-soft: #eaf1ff;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .1);--radius: 12px;--radius-sm: 8px;color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background-color:var(--bg)}@media (prefers-color-scheme: dark){:root{--bg: #0f141a;--panel: #1a212b;--panel-border: #2b333f;--text: #e7ecf1;--text-muted: #9aa6b2;--primary: #4f8bff;--primary-hover: #6a9dff;--primary-contrast: #0b1017;--danger: #ff6b6b;--accent-soft: #1e2a40;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 2px 6px rgba(0, 0, 0, .3);color-scheme:dark}}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg)}.app{max-width:820px;margin:0 auto;padding:32px 20px 64px;display:flex;flex-direction:column;gap:18px}.app-header{text-align:center;margin-bottom:4px}.app-header h1{font-size:1.9rem;margin:0 0 6px;letter-spacing:-.01em}.tagline{margin:0;color:var(--text-muted);font-size:.95rem}.panel{background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px}.controls-panel .global-rotation{display:flex;align-items:center;gap:14px 24px;flex-wrap:wrap}.control-group{display:flex;align-items:center;gap:10px}.global-rotation label,.control-label{font-weight:600}.hint{flex-basis:100%;color:var(--text-muted);font-size:.85rem}.direction-toggle{display:inline-flex;align-items:center;gap:8px}.dir-label{font-size:.78rem;font-weight:700;letter-spacing:.03em;color:var(--text-muted);transition:color .15s ease}.dir-label.active{color:var(--primary)}.switch{position:relative;width:46px;height:26px;flex:0 0 auto;padding:0;border:none;border-radius:999px;background:var(--panel-border);cursor:pointer;transition:background .15s ease}.switch.on{background:var(--primary)}.switch-knob{position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 2px #10182859;transition:transform .15s ease}.switch.on .switch-knob{transform:translate(20px)}.switch:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.upload-zone{border:2px dashed var(--panel-border);border-radius:var(--radius);background:var(--panel);padding:32px 20px;text-align:center;cursor:pointer;transition:border-color .15s ease,background .15s ease;outline:none}.upload-zone:hover,.upload-zone:focus-visible{border-color:var(--primary)}.upload-zone.dragging{border-color:var(--primary);background:var(--accent-soft)}.upload-icon{font-size:1.8rem;color:var(--primary)}.upload-title{margin:8px 0 2px;font-weight:600}.upload-sub{margin:0 0 10px;color:var(--text-muted);font-size:.85rem}.upload-hint{margin:12px 0 0;color:var(--text-muted);font-size:.8rem}.browse-btn{background:var(--primary);color:var(--primary-contrast);border:none;border-radius:var(--radius-sm);padding:9px 18px;font-size:.9rem;font-weight:600;cursor:pointer;transition:background .15s ease}.browse-btn:hover{background:var(--primary-hover)}.list-panel{padding:14px 16px}.list-header{display:flex;align-items:center;justify-content:space-between;padding:4px 4px 12px}.list-summary{color:var(--text-muted);font-size:.9rem}.list-summary strong{color:var(--text)}.pdf-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.pdf-row{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--panel-border);border-radius:var(--radius-sm);background:var(--panel)}.pdf-row.dragging{box-shadow:var(--shadow);border-color:var(--primary)}.pdf-row.has-error{border-color:var(--danger)}.drag-handle{flex:0 0 auto;cursor:grab;background:transparent;border:none;color:var(--text-muted);font-size:1.2rem;line-height:1;padding:4px 2px;touch-action:none;border-radius:6px}.drag-handle:active{cursor:grabbing}.drag-handle:focus-visible{outline:2px solid var(--primary);outline-offset:1px}.thumb{flex:0 0 auto;width:46px;height:60px;object-fit:cover;border:1px solid var(--panel-border);border-radius:4px;background:#fff}.thumb-placeholder{display:flex;align-items:center;justify-content:center;font-size:.65rem;font-weight:700;letter-spacing:.05em;color:var(--text-muted);background:var(--accent-soft)}.row-main{flex:1 1 auto;min-width:0}.row-name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.row-meta{display:flex;gap:10px;font-size:.82rem;color:var(--text-muted);margin-top:2px}.row-error{color:var(--danger);font-weight:600}.row-pages{margin-top:8px;display:flex;flex-direction:column;gap:4px}.pages-label{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted)}.page-range{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.page-range-input{width:160px;max-width:100%;padding:6px 8px;border:1px solid var(--panel-border);border-radius:var(--radius-sm);background:var(--panel);color:var(--text);font-size:.85rem}.page-range-input::placeholder{color:var(--text-muted);opacity:.8}.page-range-input.invalid{border-color:var(--danger)}.page-range-input:focus-visible{outline:2px solid var(--primary);outline-offset:1px}.page-range-note{font-size:.75rem}.page-range-note.muted{color:var(--text-muted)}.page-range-note.error{color:var(--danger);font-weight:600}.row-rotation{flex:0 0 auto;display:flex;flex-direction:column;align-items:flex-start;gap:4px}.override{display:flex;align-items:center;gap:6px}.badge{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--primary);background:var(--accent-soft);border-radius:999px;padding:1px 7px}.link-btn{background:none;border:none;padding:0;color:var(--text-muted);font-size:.72rem;text-decoration:underline;cursor:pointer}.link-btn:hover{color:var(--primary)}.row-actions{flex:0 0 auto;display:flex;gap:4px}.rotation-select{-webkit-appearance:auto;-moz-appearance:auto;appearance:auto;padding:6px 8px;border:1px solid var(--panel-border);border-radius:var(--radius-sm);background:var(--panel);color:var(--text);font-size:.85rem;cursor:pointer}.rotation-select:focus-visible,input[type=text]:focus-visible{outline:2px solid var(--primary);outline-offset:1px}.icon-btn{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--panel-border);border-radius:6px;background:var(--panel);color:var(--text);cursor:pointer;font-size:.9rem;transition:background .15s ease,border-color .15s ease}.icon-btn:hover:not(:disabled){border-color:var(--primary);background:var(--accent-soft)}.icon-btn:disabled{opacity:.4;cursor:not-allowed}.icon-btn.danger:hover:not(:disabled){border-color:var(--danger);color:var(--danger);background:transparent}.text-btn{background:none;border:none;cursor:pointer;font-size:.85rem;font-weight:600;color:var(--text-muted)}.text-btn.danger:hover{color:var(--danger)}.action-panel{display:flex;align-items:flex-end;gap:16px;flex-wrap:wrap}.filename-field{flex:1 1 240px;display:flex;flex-direction:column;gap:6px}.action-note{flex:1 1 240px;margin:0;color:var(--text-muted);font-size:.9rem}.filename-field label{font-weight:600;font-size:.9rem}.filename-field input{padding:9px 12px;border:1px solid var(--panel-border);border-radius:var(--radius-sm);background:var(--panel);color:var(--text);font-size:.95rem}.primary-btn{flex:0 0 auto;background:var(--primary);color:var(--primary-contrast);border:none;border-radius:var(--radius-sm);padding:11px 22px;font-size:.98rem;font-weight:700;cursor:pointer;transition:background .15s ease}.primary-btn:hover:not(:disabled){background:var(--primary-hover)}.primary-btn:disabled{opacity:.5;cursor:not-allowed}.status{border-radius:var(--radius-sm);padding:12px 16px;font-size:.9rem;border:1px solid transparent}.status-success{background:#2ea05b1f;border-color:#2ea05b66}.status-error{background:#d645451f;border-color:#d6454566}.status-info{background:var(--accent-soft);border-color:var(--primary)}.app-footer{text-align:center;color:var(--text-muted);font-size:.8rem}.app-footer p{margin:0}@media (max-width: 560px){.pdf-row{flex-wrap:wrap}.row-main{flex-basis:calc(100% - 120px)}.row-rotation{order:4;flex-basis:100%;flex-direction:row;align-items:center;justify-content:space-between;margin-top:4px}.thumb{width:40px;height:52px}}