.editor-container{border:1px solid var(--color-border-dark);border-radius:var(--radius);background:#fff}.editor-toolbar{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-bottom:1px solid var(--color-border);background:var(--color-bg-muted);border-radius:var(--radius) var(--radius) 0 0}.toolbar-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;border:1px solid var(--color-border-dark);border-radius:var(--radius);background:#fff;cursor:pointer;font-size:14px;transition:background-color var(--transition-fast)}.toolbar-btn:hover{background:var(--color-border)}.toolbar-hint{margin-left:auto;font-size:12px;color:var(--color-text-muted)}.toolbar-divider{width:1px;height:20px;background:var(--color-border-dark);margin:0 var(--space-xs)}.toolbar-select{padding:4px 8px;border:1px solid var(--color-border-dark);border-radius:var(--radius);background:#fff;font-size:13px;cursor:pointer}.toolbar-select:hover{background:var(--color-border)}.editor-inner{position:relative;min-height:300px;max-height:70vh;overflow-y:auto}.editor-input{min-height:300px;padding:var(--space-lg);outline:none;font-size:16px;line-height:1.6}.editor-input:focus{outline:none}.editor-placeholder{position:absolute;top:var(--space-lg);left:var(--space-lg);color:var(--color-text-muted);pointer-events:none;-webkit-user-select:none;user-select:none}.editor-text-bold{font-weight:700}.editor-text-italic{font-style:italic}.editor-text-underline{text-decoration:underline}.editor-text-strikethrough{text-decoration:line-through}.editor-text-code{font-family:monospace;background:var(--color-bg-muted);padding:2px 4px;border-radius:2px}.editor-heading-h1{font-size:24px;font-weight:700;margin:var(--space-lg) 0 var(--space-sm)}.editor-heading-h2{font-size:20px;font-weight:700;margin:var(--space-lg) 0 var(--space-sm)}.editor-heading-h3{font-size:18px;font-weight:700;margin:var(--space-md) 0 var(--space-sm)}.editor-list-ul,.editor-list-ol{margin:var(--space-sm) 0;padding-left:var(--space-xl)}.editor-listitem{margin:var(--space-xs) 0}.editor-quote{margin:var(--space-md) 0;padding-left:var(--space-lg);border-left:3px solid var(--color-border-dark);color:var(--color-text-secondary)}.editor-link{color:var(--color-primary);text-decoration:underline}.editor-paragraph{margin:var(--space-sm) 0}:root{--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-danger: #ef4444;--color-danger-text: #dc2626;--color-danger-bg: #fee2e2;--color-danger-border: #fecaca;--color-success: #16a34a;--color-success-bg: #dcfce7;--color-success-bg-light: #f0fdf4;--color-text: #333;--color-text-secondary: #666;--color-text-muted: #999;--color-text-subtle: #6b7280;--color-border: #e5e7eb;--color-border-dark: #d1d5db;--color-bg-muted: #f3f4f6;--color-disabled: #9ca3af;--space-xs: 4px;--space-sm: 8px;--space-md: 12px;--space-lg: 16px;--space-xl: 24px;--space-2xl: 40px;--radius: 4px;--transition-fast: .15s ease;--transition-normal: .3s ease}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.5;color:var(--color-text)}.container{max-width:600px;margin:var(--space-2xl) auto;padding:20px}.container-wide{max-width:800px}.text-secondary{color:var(--color-text-secondary)}.text-muted{color:var(--color-text-muted);font-style:italic}.shelf-description{white-space:pre-wrap}.text-error{color:var(--color-danger)}.link{color:var(--color-primary);text-decoration:none}.link:hover{text-decoration:underline}.link-back{display:inline-block;margin-bottom:var(--space-lg)}.btn{display:inline-flex;align-items:center;padding:var(--space-sm) var(--space-lg);border:none;border-radius:var(--radius);font-size:inherit;cursor:pointer;transition:background-color var(--transition-fast)}.btn:disabled{cursor:not-allowed;opacity:.6}.btn-sm{padding:var(--space-xs) var(--space-md);font-size:14px}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-hover)}.btn-secondary{background-color:#fff;color:var(--color-text);border:1px solid var(--color-border-dark)}.btn-secondary:hover:not(:disabled){background-color:var(--color-bg-muted)}.btn-secondary:disabled{background-color:var(--color-border);color:var(--color-disabled)}.btn-danger{background-color:var(--color-danger);color:#fff}.btn-danger-soft{background-color:var(--color-danger-bg);color:var(--color-danger-text);border:1px solid var(--color-danger-border)}.btn-muted{background-color:var(--color-border);color:var(--color-text-subtle)}.badge{display:inline-block;padding:var(--space-xs) var(--space-md);border-radius:var(--radius);font-size:14px}.badge-muted{background-color:var(--color-bg-muted);color:var(--color-disabled)}.badge-success{background-color:var(--color-success-bg);color:var(--color-success);font-weight:500}.card-list{list-style:none;padding:0;margin:0}.card{padding:var(--space-md);border:1px solid var(--color-border);border-radius:var(--radius);margin-bottom:var(--space-sm)}.card-row{display:flex;justify-content:space-between;align-items:center}.card-highlighted{background-color:var(--color-success-bg-light);transition:background-color var(--transition-normal)}.card-with-image{display:flex;gap:var(--space-lg);padding:var(--space-lg)}.card-image{width:60px;height:auto;border-radius:var(--radius);flex-shrink:0}.card-content{flex:1}.card-meta{margin-top:var(--space-sm);font-size:14px;color:var(--color-text-muted)}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-md)}.section-header h2,.section-header h3{margin:0}.pagination{display:flex;justify-content:center;align-items:center;gap:var(--space-lg);margin-top:var(--space-lg);padding-top:var(--space-lg);border-top:1px solid var(--color-border)}.pagination-info{color:var(--color-text-subtle)}.divider{border-top:1px solid var(--color-border);margin-top:var(--space-lg);padding-top:var(--space-lg)}.form-group{margin-bottom:var(--space-lg)}.form-label{display:block;margin-bottom:var(--space-xs);font-weight:500}.form-input{width:100%;padding:var(--space-sm) var(--space-md);border:1px solid var(--color-border-dark);border-radius:var(--radius);font-size:inherit}.form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px #3b82f633}.form-actions{display:flex;gap:var(--space-sm)}.search-wrapper{position:relative;margin-bottom:var(--space-lg)}.search-input{width:100%;padding:var(--space-sm) var(--space-md);padding-right:36px;border:1px solid var(--color-border-dark);border-radius:var(--radius);font-size:inherit}.search-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px #3b82f633}.search-clear{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--color-text-muted);cursor:pointer;padding:4px 8px;font-size:18px;line-height:1}.search-clear:hover{color:var(--color-text)}.search-results-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-md);font-size:14px;color:var(--color-text-secondary)}.mb-0{margin-bottom:0}.mb-sm{margin-bottom:var(--space-sm)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}.mb-xl{margin-bottom:var(--space-xl)}.gap-sm{gap:var(--space-sm)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.navbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-xl)}.navbar h1{margin:0}.navbar-right{display:flex;align-items:center;gap:var(--space-lg)}.navbar-nav{display:flex;gap:var(--space-md)}.container-narrow{max-width:400px;margin:100px auto}.auth-footer{margin-top:var(--space-lg);text-align:center}.shelf-card-link{display:block;padding:var(--space-lg);border:1px solid var(--color-border);border-radius:var(--radius);margin-bottom:var(--space-sm);text-decoration:none;color:inherit}.shelf-card-link:hover{border-color:var(--color-border-dark)}.shelf-card-header{display:flex;justify-content:space-between;align-items:flex-start}.shelf-card-title{font-size:18px}.shelf-card-description{margin:var(--space-sm) 0 0;color:var(--color-text-secondary);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.badge-limit{background-color:var(--color-border);padding:var(--space-xs) var(--space-sm);border-radius:var(--radius);font-size:12px;color:var(--color-text-subtle)}.scanner-container{position:relative;margin-bottom:var(--space-xl)}.scanner-viewport{width:100%;height:400px;background-color:#000;border-radius:var(--radius);overflow:hidden}.scanner-overlay{position:absolute;top:0;left:0;right:0;padding:var(--space-md) var(--space-lg);color:#fff;font-weight:700;text-align:center;border-radius:var(--radius) var(--radius) 0 0}.scanner-overlay-success{background-color:#22c55ee6}.scanner-overlay-warning{background-color:#eab308e6}.scanner-overlay-muted{background-color:#6b7280e6}.scanner-centered{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;text-align:center;padding:20px}.scanner-error{color:var(--color-danger)}.scan-result-item{padding:var(--space-lg);border:1px solid var(--color-border);border-radius:var(--radius);margin-bottom:var(--space-sm)}.scan-result-item-failed{background-color:#fef2f2}.scan-result-item-no-match{background-color:var(--color-bg-muted);opacity:.7}.scan-result-header{display:flex;justify-content:space-between;align-items:flex-start}.scan-result-content{flex:1}.scan-result-actions{display:flex;flex-direction:column;align-items:flex-end;gap:var(--space-sm)}.isbn-code{font-family:monospace;font-size:14px;color:var(--color-text-secondary)}.badge-status{padding:var(--space-xs) var(--space-sm);border-radius:var(--radius);font-size:12px;font-weight:500;white-space:nowrap}.badge-status-submitting{background-color:var(--color-border);color:#374151}.badge-status-pending{background-color:#fef3c7;color:#92400e}.badge-status-success{background-color:#d1fae5;color:#065f46}.badge-status-failed{background-color:var(--color-danger-bg);color:#991b1b}.badge-status-no-match{background-color:var(--color-bg-muted);color:var(--color-text-subtle)}.badge-added{padding:6px 12px;border-radius:var(--radius);background-color:#d1fae5;color:#065f46;font-size:13px;font-weight:500}.btn-add-book{padding:6px 12px;border-radius:var(--radius);font-size:13px;font-weight:500}.page-skeleton{max-width:600px;margin:var(--space-2xl) auto;padding:20px}.skeleton-header{height:40px;margin-bottom:var(--space-xl);background:linear-gradient(90deg,var(--color-border) 25%,var(--color-bg-muted) 50%,var(--color-border) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius)}.skeleton-content{display:flex;justify-content:center;padding:var(--space-2xl) 0}.spinner{width:32px;height:32px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media(max-width:767px){.desktop-only{display:none!important}}@media(min-width:768px){.mobile-only{display:none!important}}.navbar-nav .link{padding-bottom:var(--space-xs);border-bottom:2px solid transparent;transition:border-color var(--transition-fast)}.navbar-nav .link.active{border-bottom-color:var(--color-primary)}.profile-dropdown{position:relative}.profile-button{display:flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border:1px solid var(--color-border-dark);border-radius:50%;background-color:#fff;color:var(--color-text-secondary);cursor:pointer;transition:border-color var(--transition-fast),background-color var(--transition-fast)}.profile-button:hover{border-color:var(--color-primary);background-color:var(--color-bg-muted)}.profile-button svg{width:20px;height:20px}.profile-menu{position:absolute;right:0;top:calc(100% + var(--space-sm));min-width:200px;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:0 4px 12px #0000001a;z-index:100;opacity:0;transform:translateY(-8px);animation:dropdown-in var(--transition-fast) forwards}@keyframes dropdown-in{to{opacity:1;transform:translateY(0)}}.profile-menu-header{padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--color-border);font-size:14px;color:var(--color-text-secondary);word-break:break-all}.profile-menu-item{display:block;width:100%;padding:var(--space-md) var(--space-lg);border:none;background:none;text-align:left;font-size:inherit;color:var(--color-text);cursor:pointer;transition:background-color var(--transition-fast)}.profile-menu-item:hover{background-color:var(--color-bg-muted)}.hamburger-button{display:flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;border:1px solid var(--color-border-dark);border-radius:var(--radius);background-color:#fff;color:var(--color-text);cursor:pointer;transition:background-color var(--transition-fast)}.hamburger-button:hover{background-color:var(--color-bg-muted)}.hamburger-button svg{width:24px;height:24px}.mobile-overlay{position:fixed;inset:0;background-color:#00000080;z-index:998;opacity:0;animation:fade-in var(--transition-fast) forwards}@keyframes fade-in{to{opacity:1}}.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:280px;max-width:80vw;background:#fff;z-index:999;padding:var(--space-xl);transform:translate(100%);animation:slide-in var(--transition-normal) forwards}@keyframes slide-in{to{transform:translate(0)}}.mobile-drawer-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-xl);padding-bottom:var(--space-lg);border-bottom:1px solid var(--color-border)}.mobile-drawer-title{font-size:18px;font-weight:600;margin:0}.mobile-drawer-close{display:flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;border:none;border-radius:var(--radius);background:none;color:var(--color-text-secondary);cursor:pointer;transition:background-color var(--transition-fast)}.mobile-drawer-close:hover{background-color:var(--color-bg-muted)}.mobile-drawer-close svg{width:20px;height:20px}.mobile-drawer-nav{display:flex;flex-direction:column;gap:var(--space-xs)}.mobile-drawer-item{display:flex;align-items:center;padding:var(--space-md) var(--space-lg);min-height:44px;border-radius:var(--radius);text-decoration:none;color:var(--color-text);font-size:16px;transition:background-color var(--transition-fast)}.mobile-drawer-item:hover{background-color:var(--color-bg-muted)}.mobile-drawer-item.active{background-color:var(--color-bg-muted);color:var(--color-primary);font-weight:500}.mobile-drawer-divider{height:1px;background-color:var(--color-border);margin:var(--space-lg) 0}.mobile-drawer-email{padding:var(--space-sm) var(--space-lg);font-size:14px;color:var(--color-text-secondary);word-break:break-all}.mobile-drawer-item.logout{color:var(--color-danger-text)}.mobile-drawer-item.logout:hover{background-color:var(--color-danger-bg)}.modal-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;opacity:0;animation:fade-in var(--transition-fast) forwards}.modal{background:#fff;border-radius:var(--radius);box-shadow:0 4px 24px #00000026;max-width:400px;width:calc(100% - 32px);transform:scale(.95);animation:modal-in var(--transition-fast) forwards}@keyframes modal-in{to{transform:scale(1)}}.modal-header{padding:var(--space-lg);border-bottom:1px solid var(--color-border)}.modal-title{margin:0;font-size:18px}.modal-body{padding:var(--space-lg);color:var(--color-text-secondary)}.modal-footer{padding:var(--space-lg);border-top:1px solid var(--color-border);display:flex;gap:var(--space-sm);justify-content:flex-end}