:root{--bg: #f8fafc;--surface: #ffffff;--border: #e2e8f0;--text: #0f172a;--muted: #475569;--primary: #2563eb;--primary-hover: #1d4ed8;--danger: #dc2626;--warning-bg: #fef3c7;--warning-text: #92400e;--owned-bg: #fee2e2;--owned-text: #991b1b;--clear-bg: #dcfce7;--clear-text: #166534}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-header{background:#1e293b;color:#fff;padding:.65rem 1rem;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.65rem}.brand{display:flex;align-items:center;gap:.6rem}.brand-icon{width:34px;height:34px;border-radius:8px;flex-shrink:0;display:block}.app-header h1{margin:0;font-size:1.2rem;white-space:nowrap}.app-nav{display:flex;flex-wrap:nowrap;align-items:center;gap:.4rem;max-width:100%}.nav-btn{min-height:44px;min-width:44px;padding:.45rem .75rem;border-radius:.5rem;border:1px solid rgba(255,255,255,.25);background:transparent;color:#fff;font-weight:600;font-size:.9rem;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:.35rem;white-space:nowrap;flex:0 1 auto}.nav-icon{font-size:1.1rem;line-height:1}.nav-btn.active{background:var(--primary);border-color:var(--primary)}@media(max-width:639px){.app-header{padding:.55rem .75rem;gap:.5rem}.app-nav{order:3;width:100%;justify-content:space-between;gap:.35rem}.nav-btn{flex:1 1 0;padding:.45rem .25rem}.nav-label{display:none}}.app-main{width:100%;max-width:960px;margin:0 auto;padding:1rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:.75rem;padding:1rem;margin-bottom:1rem;box-shadow:0 1px 2px #0000000a}.field{display:flex;flex-direction:column;gap:.35rem;margin-bottom:.75rem}.field label{font-weight:600;font-size:.9rem}input[type=text],input[type=search],input:not([type]),select{min-height:44px;padding:.5rem .75rem;border:1px solid var(--border);border-radius:.5rem;font-size:1rem;width:100%}.btn{min-height:44px;padding:.5rem 1rem;border-radius:.5rem;border:1px solid transparent;font-size:.95rem;font-weight:600;cursor:pointer}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:#e2e8f0;color:var(--text)}.btn-danger{background:var(--danger);color:#fff}.btn-warning{background:#d97706;color:#fff}.btn-ghost-danger{background:transparent;color:var(--danger);border-color:#fecaca}.btn-ghost-danger:hover{background:#fef2f2}.btn-sm{min-height:36px;padding:.35rem .75rem;font-size:.85rem}.scanner-toolbar{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin-top:.25rem}.scanner-photo-btn{flex:0 0 auto}.scanner-manual-group{display:flex;flex:1 1 260px;gap:.5rem}.scanner-manual-group input{flex:1 1 auto}.form-top-layout{display:grid;grid-template-columns:140px 1fr;gap:1.25rem;align-items:start;margin-bottom:.75rem}@media(max-width:580px){.form-top-layout{grid-template-columns:1fr}}.field-row-2{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}@media(max-width:480px){.field-row-2{grid-template-columns:1fr}}.authors-fieldset,.collections-fieldset{border:1px solid var(--border);border-radius:.5rem;padding:.75rem;margin-bottom:.75rem}.authors-fieldset legend,.collections-fieldset legend{font-weight:600;font-size:.85rem;padding:0 .35rem;color:var(--muted)}.collections-checks{display:flex;flex-wrap:wrap;gap:.75rem}.form-submit-bar{justify-content:flex-end}.card-actions,.input-row,.author-row{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}.author-row{margin-bottom:.5rem}.author-row input{flex:2 1 180px}.author-row select{flex:1 1 140px}.filters-bar{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:.75rem}.catalog-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.collections-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem}.badge{display:inline-block;padding:.2rem .6rem;border-radius:999px;font-size:.8rem;font-weight:600;background:#e2e8f0}.badge-type{background:#dbeafe;color:#1e40af}.badge-collection{background:#f1f5f9;color:#334155;margin-right:.4rem}.book-title-row{display:flex;align-items:center;justify-content:space-between;gap:.5rem}.book-title-row h3{margin:0}.book-subtitle{margin:.25rem 0;color:var(--muted);font-style:italic}.duplicate-banner{padding:1rem;border-radius:.75rem;margin-bottom:1rem}.banner-owned{background:var(--owned-bg);color:var(--owned-text);border:1px solid #fca5a5}.banner-edition{background:var(--warning-bg);color:var(--warning-text);border:1px solid #fcd34d}.banner-clear{background:var(--clear-bg);color:var(--clear-text);border:1px solid #86efac}.alert{padding:.75rem 1rem;border-radius:.5rem;margin-bottom:1rem}.alert-error{background:var(--owned-bg);color:var(--owned-text)}.alert-warning{background:var(--warning-bg);color:var(--warning-text)}.alert-success{background:var(--clear-bg);color:var(--clear-text)}.scanner-video{width:100%;max-height:280px;background:#000;border-radius:.5rem;margin-top:.5rem}.checkbox-label{display:flex;align-items:center;gap:.5rem;min-height:36px}.book-card-layout{display:flex;gap:1rem;align-items:flex-start}.book-cover-thumb-wrap{flex:0 0 72px}.book-cover-thumb{width:72px;height:108px;object-fit:cover;border-radius:.375rem;border:1px solid var(--border);display:block}.book-cover-placeholder{width:72px;height:108px;border-radius:.375rem;border:1px dashed var(--border);background:#f1f5f9;display:flex;align-items:center;justify-content:center;font-size:1.5rem}.book-main{flex:1 1 auto;min-width:0}.book-authors{margin:.25rem 0;font-size:.92rem}.book-meta-line{margin:.2rem 0 .5rem;font-size:.85rem;color:var(--muted)}.book-footer-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem;margin-top:.4rem}.book-item-actions{gap:.35rem}.cover-picker-card{display:flex;flex-direction:column;align-items:center;gap:.5rem}.cover-preview-box{display:flex;flex-direction:column;align-items:center;gap:.35rem}.cover-preview-img{width:112px;height:168px;object-fit:cover;border-radius:.375rem;border:1px solid var(--border)}.cover-placeholder{width:112px;height:168px;border:1px dashed var(--border);border-radius:.375rem;background:#f8fafc;display:flex;align-items:center;justify-content:center;text-align:center;font-size:.8rem;color:var(--muted);padding:.5rem}.cover-actions{display:flex;gap:.35rem;width:100%;justify-content:center}.cover-analyze-btn{width:100%;font-size:.78rem;padding:.35rem .5rem;text-align:center}.cover-candidates{padding:.75rem 1rem}.cover-candidates-title{margin:0 0 .5rem;font-size:.85rem;font-weight:600;color:var(--muted)}.cover-candidates-list{display:flex;flex-wrap:wrap;gap:.4rem}.file-btn{display:inline-flex;align-items:center;justify-content:center}.crop-modal{margin-top:1rem;padding:1rem;border:1px solid var(--border);border-radius:.5rem;background:#fff}.crop-viewport{width:200px;height:300px;margin:.75rem auto;overflow:hidden;border:2px solid var(--primary);border-radius:.375rem;background:#0f172a;display:flex;align-items:center;justify-content:center;touch-action:none;cursor:grab}.crop-image{max-width:100%;max-height:100%;-webkit-user-select:none;user-select:none;pointer-events:none}.crop-controls{display:grid;gap:.5rem;margin-bottom:.75rem}.crop-controls label{display:flex;flex-direction:column;font-size:.85rem;font-weight:600}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem;background:var(--bg)}.login-card{width:100%;max-width:420px;display:flex;flex-direction:column;gap:1rem}.login-brand{display:flex;flex-direction:column;align-items:center;gap:.5rem}.login-logo{width:64px;height:64px;border-radius:14px}.login-card h1{margin:0;color:var(--primary);font-size:1.5rem;text-align:center}.login-subtitle{margin:0;text-align:center;color:var(--text-muted);font-size:.92rem}.login-submit-btn{width:100%;justify-content:center;margin-top:.25rem}.user-bar{display:flex;align-items:center;gap:.6rem}.user-badge{font-size:.85rem;font-weight:600;color:#ffffffeb;background:#ffffff24;padding:.35rem .65rem;border-radius:999px}.logout-btn{background:#ffffff29;color:#fff;border:1px solid rgba(255,255,255,.3)}.logout-btn:hover{background:#ffffff40}.users-list{display:flex;flex-direction:column;gap:.75rem;margin-top:.5rem}.users-list h4,.authors-fieldset h4{margin:0 0 .5rem;font-size:.95rem}.user-item-card{border:1px solid var(--border);border-radius:8px;padding:.85rem;background:#f8fafc;display:flex;flex-direction:column;gap:.65rem}.user-item-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.5rem}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#0f172a99;display:flex;align-items:center;justify-content:center;padding:1rem}.modal-dialog{width:100%;max-width:680px;max-height:90vh;overflow-y:auto;margin-bottom:0;box-shadow:0 20px 25px -5px #00000040}.modal-dialog-sm{max-width:480px}.modal-header{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-bottom:.75rem}.modal-header h3{margin:0}.modal-close-btn{min-width:36px;padding:.25rem .6rem}.bulk-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.75rem}.bulk-selection-info{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem}.bulk-book-card.selected{border-color:var(--primary);background:#eff6ff}.bulk-check-wrap{display:flex;align-items:center;justify-content:center;min-width:36px;min-height:36px;cursor:pointer}.bulk-check-wrap input[type=checkbox]{width:20px;height:20px;cursor:pointer}.bulk-field-group{border:1px solid var(--border);border-radius:.5rem;padding:.65rem .85rem;margin-bottom:.75rem}.field-hint{margin:0 0 .75rem;font-size:.88rem;color:var(--text-muted)}.backup-actions-bar{margin-bottom:.75rem}.backups-list{display:flex;flex-direction:column;gap:.65rem;margin-top:.5rem}.backup-item-card{border:1px solid var(--border);border-radius:8px;padding:.75rem .9rem;background:#f8fafc;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.65rem}.backup-item-info{display:flex;flex-direction:column;gap:.2rem}.backup-item-meta{font-size:.82rem;color:var(--text-muted)}.backup-confirm-box{border:1px solid #f59e0b;background:#fffbeb;border-radius:8px;padding:.85rem 1rem;margin-bottom:.75rem;display:flex;flex-direction:column;gap:.6rem}.backup-confirm-box p{margin:0;font-size:.9rem}.book-badges-inline{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem}.badge-series{background:#ede9fe;color:#5b21b6;border:1px solid #ddd6fe}.badge-missing{background:#fef3c7;color:#92400e;border:1px solid #fde68a}.badge-complete{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}.series-card{display:flex;flex-direction:column;gap:.75rem}.series-card-header{display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:.75rem}.series-card-header h3{margin:0 0 .25rem}.series-header-badges{display:flex;align-items:center;flex-wrap:wrap;gap:.5rem}.series-missing-banner{background:#fffbeb;border:1px solid #fde68a;color:#92400e;border-radius:6px;padding:.55rem .75rem;font-size:.92rem}.series-volumes-grid{display:flex;flex-wrap:wrap;gap:.35rem}.volume-chip{display:inline-flex;align-items:center;padding:.2rem .5rem;border-radius:6px;font-size:.8rem;font-weight:600}.volume-chip-owned{background:#dcfce7;color:#166534;border:1px solid #86efac}.volume-chip-missing{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5}.series-target-bar{display:flex;align-items:center;flex-wrap:wrap;gap:.5rem;padding-top:.25rem}.series-target-input{width:120px}.series-books-summary{font-size:.9rem}.series-owned-list{margin:.35rem 0 0 1.2rem;padding:0}.series-filter-check{display:flex;align-items:flex-end;padding-bottom:.35rem}.copied-summary-card{background:#f8fafc;border:1px solid var(--border)}.copied-summary-pre{margin:.5rem 0 0;white-space:pre-wrap;font-family:inherit;font-size:.9rem;background:#fff;border:1px solid var(--border);border-radius:6px;padding:.6rem .75rem}