:root{--ink:#21311f;--ink-soft:#55614f;--paper:#faf6ee;--card:#fff;--line:#e5dfcf;--green:#1f3d2b;--green-soft:#e8efe6;--amber:#b45309;--amber-soft:#fdf1e2;--serif:Georgia, "Times New Roman", serif;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;color:var(--ink);background:var(--paper);font-size:17px;line-height:1.5;font-family:var(--sans);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{min-height:100vh;margin:0}code{font-family:var(--mono);background:var(--green-soft);border-radius:4px;padding:.1em .4em;font-size:.85em}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.loading-book{color:var(--ink-soft);align-items:center;gap:8px;margin:0;font-style:italic;display:inline-flex}.loading-book-icon{perspective:40px;font-style:normal;animation:1.1s ease-in-out infinite loading-book-flip;display:inline-block}@keyframes loading-book-flip{0%,to{transform:rotateY(0)}50%{transform:rotateY(180deg)}}@media (prefers-reduced-motion:reduce){.loading-book-icon{animation:none}}.page{flex-direction:column;max-width:1080px;min-height:100vh;margin:0 auto;padding:24px 20px 48px;display:flex}.nav{border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-bottom:20px;display:flex}.brand{font-family:var(--serif);color:var(--green);white-space:nowrap;font-size:1.35rem;font-weight:700;text-decoration:none;transition:opacity .15s}.brand:hover{opacity:.8}.menu{flex-wrap:wrap;gap:18px;display:flex}.menu-link{color:var(--ink-soft);border-bottom:2px solid #0000;padding:4px 2px;font-size:.95rem;text-decoration:none;transition:color .15s,border-color .15s}.menu-link:hover{color:var(--green)}.menu-link.active{color:var(--green);border-bottom-color:var(--amber);font-weight:600}.auth-pending{color:var(--ink-soft);white-space:nowrap;font-size:.85rem}.signin{font:inherit;color:var(--paper);background:var(--green);cursor:pointer;white-space:nowrap;border:none;border-radius:8px;padding:8px 14px;font-size:.9rem;font-weight:600;transition:background .15s,transform .1s}.signin:hover:not(:disabled){background:#2a5238;transform:translateY(-1px)}.signin:active:not(:disabled){transform:translateY(0)}.signin:disabled{opacity:.7;cursor:default}.auth-user{align-items:center;gap:8px;display:flex}.profile-btn{cursor:pointer;border-radius:999px;align-items:center;gap:8px;padding:4px 10px 4px 4px;text-decoration:none;transition:background .15s;display:flex}.profile-btn:hover{background:var(--green-soft)}.auth-user .avatar{border-radius:50%;width:26px;height:26px}.auth-name{color:var(--ink);white-space:nowrap;font-size:.9rem;font-weight:600}.signout{font:inherit;border:1px solid var(--line);cursor:pointer;color:var(--ink-soft);background:0 0;border-radius:8px;padding:4px 10px;font-size:.8rem;transition:border-color .15s,color .15s}.signout:hover{border-color:var(--green);color:var(--green)}.content{flex:1;padding:32px 0}.route-fade{animation:.24s route-fade-in}@keyframes route-fade-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.foot{text-align:center;color:var(--ink-soft);margin-top:auto;padding-top:40px;font-size:.9rem}.foot p{margin:4px 0}@media (width<=480px){.page{padding:16px 14px 32px}.nav{gap:10px 16px;padding-bottom:16px}.menu{gap:12px;font-size:.9rem}.content{padding:24px 0}}.foot-link{color:var(--ink-soft);transition:color .15s}.foot-link:hover{color:var(--green)}.search-bar{gap:8px;width:100%;display:flex}.search-bar input{font:inherit;border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:10px;flex:1;padding:12px 16px;transition:border-color .15s}.search-bar input:hover{border-color:var(--green)}.search-bar input:focus-visible{outline:3px solid var(--amber);outline-offset:1px}.search-bar button{font:inherit;color:var(--paper);background:var(--green);cursor:pointer;border:none;border-radius:10px;padding:12px 22px;font-weight:600;transition:background .15s,transform .1s}.search-bar button:hover{background:#2a5238;transform:translateY(-1px)}.search-bar button:active{transform:translateY(0)}.search-bar-lg input{font-size:1.05rem}.cover{object-fit:cover;background:var(--green-soft);border:1px solid var(--line);border-radius:8px;flex-shrink:0}.cover-sm{width:56px;height:80px}.cover-md{width:100px;height:140px}.cover-lg{width:200px;height:280px}.cover-placeholder{color:var(--green);font-family:var(--serif);justify-content:center;align-items:center;font-weight:700;display:flex}.cover-sm.cover-placeholder{font-size:1rem}.cover-md.cover-placeholder{font-size:1.6rem}.cover-lg.cover-placeholder{font-size:2.6rem}.book-card{background:var(--card);border:1px solid var(--line);color:inherit;border-radius:12px;gap:14px;padding:14px;text-decoration:none;transition:transform 80ms,box-shadow 80ms,border-color .15s;display:flex}.book-card:hover{border-color:var(--green);transform:translateY(-2px);box-shadow:0 6px 16px #1f3d2b1a}.book-card-body{flex-direction:column;min-width:0;display:flex}.book-card-title{color:var(--green);text-overflow:ellipsis;white-space:nowrap;margin:0 0 2px;font-weight:700;overflow:hidden}.book-card-authors,.book-card-class{color:var(--ink-soft);text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:.85rem;overflow:hidden}.book-card-footer{align-items:center;gap:10px;margin-top:auto;padding-top:8px;display:flex}.book-card-price{color:var(--amber);font-weight:700}.book-card-status{text-transform:uppercase;letter-spacing:.03em;background:var(--green-soft);color:var(--green);border-radius:999px;padding:2px 8px;font-size:.75rem}.pull-to-refresh{position:relative}.pull-indicator{justify-content:center;align-items:center;height:0;transition:height .15s;display:flex;overflow:hidden}.pull-indicator.refreshing{transition:none}.pull-content{transition:transform .15s}.home{flex-direction:column;gap:48px;display:flex}.hero{text-align:center;flex-direction:column;align-items:center;gap:20px;padding:24px 0 8px;display:flex}.hero h1{font-family:var(--serif);color:var(--green);max-width:20ch;margin:0;font-size:clamp(2rem,5vw,3rem);line-height:1.15}.hero .tagline{max-width:54ch;color:var(--ink-soft);margin:0;font-size:1.1rem}.hero .search-bar{max-width:560px}.sell-cta{color:var(--amber);font-weight:600;text-decoration:none;transition:color .15s}.sell-cta:hover{text-decoration:underline}.section-heading{justify-content:space-between;align-items:baseline;margin-bottom:16px;display:flex}.section-heading h2{font-family:var(--serif);color:var(--green);margin:0}.section-heading a{color:var(--ink-soft);font-size:.9rem;text-decoration:none;transition:color .15s}.section-heading a:hover{color:var(--green)}.about-section{text-align:center;max-width:640px;margin:0 auto}.about-section h2{font-family:var(--serif);color:var(--green);margin:0 0 12px}.about-section p{color:var(--ink-soft);margin:0;line-height:1.6}.search-page{grid-template-columns:240px 1fr;align-items:start;gap:32px;display:grid}.filters{background:var(--card);border:1px solid var(--line);border-radius:12px;flex-direction:column;gap:16px;padding:20px;display:flex;position:sticky;top:20px}.filters h2{font-family:var(--serif);color:var(--green);margin:0;font-size:1.15rem}.field input[type=text],.field input[type=number],.field select{font:inherit;color:var(--ink);border:1px solid var(--line);background:var(--paper);border-radius:8px;padding:8px 10px;font-size:.95rem}.range-inputs{gap:8px;display:flex}.range-inputs input{flex:1;width:0}.clear-filters{font:inherit;border:1px solid var(--line);cursor:pointer;color:var(--ink-soft);background:0 0;border-radius:8px;padding:8px;font-size:.85rem;transition:border-color .15s,color .15s}.clear-filters:hover{border-color:var(--green);color:var(--green)}.results{min-width:0}.results-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.results-count{color:var(--ink-soft);margin:0}.sort{color:var(--ink-soft);align-items:center;gap:8px;font-size:.9rem;display:flex}.sort select{font:inherit;border:1px solid var(--line);background:var(--card);border-radius:8px;padding:6px 10px}.listings-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;display:grid}@media (width<=720px){.search-page{grid-template-columns:1fr}.filters{position:static}}.back-link{font:inherit;color:var(--ink-soft);cursor:pointer;background:0 0;border:none;padding:0 0 20px;transition:color .15s}.back-link:hover{color:var(--green)}.detail-grid{grid-template-columns:200px 1fr;gap:32px;display:grid}.detail-info h1{font-family:var(--serif);color:var(--green);margin:0 0 4px}.authors{color:var(--ink-soft);margin:0 0 16px}.price-row{flex-wrap:wrap;align-items:center;gap:8px 12px;margin-bottom:20px;display:flex}.asking-price{color:var(--amber);font-size:1.6rem;font-weight:700}.list-price{color:var(--ink-soft);font-size:.95rem;text-decoration:line-through}.status-badge{text-transform:uppercase;letter-spacing:.03em;background:var(--green-soft);color:var(--green);border-radius:999px;padding:3px 10px;font-size:.75rem}.status-sold,.status-reserved{color:#8a3b3b;background:#f3e3e3}.meta-grid{grid-template-columns:repeat(2,1fr);gap:12px 24px;margin:0 0 20px;display:grid}.meta-grid dt{text-transform:uppercase;letter-spacing:.03em;color:var(--ink-soft);font-size:.78rem}.meta-grid dd{margin:2px 0 0;font-weight:600}.annotations-note{color:var(--ink-soft);margin:0 0 12px}.seller{margin:0 0 20px}.actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.status-control{color:var(--ink-soft);align-items:center;gap:8px;font-size:.85rem;display:flex}.status-control select{font:inherit;border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:8px;padding:8px 10px}.message-compose{flex-direction:column;gap:10px;max-width:480px;margin-top:16px;display:flex}.message-compose textarea{font:inherit;border:1px solid var(--line);background:var(--card);resize:vertical;border-radius:8px;padding:10px 12px}.message-compose-actions{gap:10px;display:flex}.primary{font:inherit;color:var(--paper);background:var(--green);cursor:pointer;border:none;border-radius:10px;padding:12px 26px;font-weight:600;transition:background .15s,transform .1s}.primary:hover:not(:disabled){background:#2a5238;transform:translateY(-1px)}.primary:active:not(:disabled){transform:translateY(0)}.primary:disabled{opacity:.7;cursor:default}.secondary{color:var(--green);font-weight:600;text-decoration:none;transition:color .15s}.secondary:hover{text-decoration:underline}.unavailable{color:var(--ink-soft);font-style:italic}.message-note{color:var(--ink-soft);background:var(--amber-soft);border:1px solid #f0d9b8;border-radius:10px;margin-top:16px;padding:12px 14px;font-size:.85rem}.not-found{text-align:center;padding:60px 0}@media (width<=600px){.detail-grid{grid-template-columns:1fr}.detail-grid .cover-lg{width:140px;height:196px;margin:0 auto}.meta-grid{grid-template-columns:1fr}}.sell-page h1{font-family:var(--serif);color:var(--green);margin:0 0 4px}.sell-page .intro{color:var(--ink-soft);margin:0 0 28px}.sell-form{flex-direction:column;gap:24px;max-width:720px;display:flex}fieldset{border:1px solid var(--line);background:var(--card);border-radius:12px;flex-direction:column;gap:14px;padding:20px;display:flex}legend{font-family:var(--serif);color:var(--green);padding:0 6px;font-weight:700}.field-row{flex-wrap:wrap;align-items:end;gap:14px;display:flex}.field-row .field{flex:1;min-width:160px}.field{color:var(--ink-soft);flex-direction:column;gap:6px;font-size:.85rem;display:flex}.field input[type=text],.field input[type=number],.field select{font:inherit;color:var(--ink);border:1px solid var(--line);background:var(--paper);border-radius:8px;padding:10px 12px;font-size:.95rem;transition:border-color .15s}.field input[type=text]:focus,.field input[type=number]:focus,.field select:focus{border-color:var(--green);outline:none}.field-checkbox{flex-direction:row;align-items:center;gap:8px}.field-checkbox input{width:16px;height:16px}.lookup-btn{font:inherit;background:var(--amber);color:var(--paper);cursor:pointer;white-space:nowrap;border:none;border-radius:8px;height:fit-content;padding:10px 16px;font-weight:600;transition:background .15s}.lookup-btn:hover:not(:disabled){background:#953f06}.lookup-btn:disabled{opacity:.7;cursor:default}.lookup-message{margin:-6px 0 0;font-size:.85rem}.lookup-message.success{color:var(--green)}.lookup-message.error{color:#8a3b3b}.photo-preview-row{flex-wrap:wrap;gap:12px;display:flex}.photo-preview{width:90px;height:90px;position:relative}.photo-preview img{object-fit:cover;border:1px solid var(--line);border-radius:8px;width:100%;height:100%}.photo-preview button{background:var(--ink);width:22px;height:22px;color:var(--paper);cursor:pointer;border:none;border-radius:50%;line-height:1;transition:transform .15s;position:absolute;top:-8px;right:-8px}.photo-preview button:hover{transform:scale(1.1)}.auth-note{color:var(--ink-soft);margin:0;font-size:.8rem;font-style:italic}.form-error{color:#8a3b3b;background:#f7e9e9;border:1px solid #e3c4c4;border-radius:8px;margin:0;padding:10px 14px}.submit-btn{font:inherit;color:var(--paper);background:var(--green);cursor:pointer;border:none;border-radius:10px;align-self:flex-start;padding:14px 28px;font-weight:700;transition:background .15s,transform .1s}.submit-btn:hover:not(:disabled){background:#2a5238;transform:translateY(-1px)}.submit-btn:active:not(:disabled){transform:translateY(0)}.history-page h1{font-family:var(--serif);color:var(--green);margin:0 0 4px}.history-page h2{font-family:var(--serif);color:var(--green);margin:32px 0 14px;font-size:1.2rem}.history-page .intro{color:var(--ink-soft);max-width:60ch;margin:0 0 28px}.history-page .empty{color:var(--ink-soft);font-style:italic}.auth-note{color:var(--ink-soft);max-width:60ch;font-size:.85rem;font-style:italic}.name-form{align-items:end;gap:12px;margin-top:20px;display:flex}.name-form label{color:var(--ink-soft);flex-direction:column;gap:6px;font-size:.85rem;display:flex}.name-form input{font:inherit;border:1px solid var(--line);background:var(--card);border-radius:8px;padding:10px 12px}.name-form button{font:inherit;color:var(--paper);background:var(--green);cursor:pointer;border:none;border-radius:8px;padding:10px 18px;font-weight:600;transition:background .15s}.name-form button:hover{background:#2a5238}.my-listings{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.my-listings li{background:var(--card);border:1px solid var(--line);border-radius:10px;flex-wrap:wrap;align-items:center;gap:10px 14px;padding:12px 16px;transition:transform .15s,box-shadow .15s,border-color .15s;display:flex}.my-listings li:hover{border-color:var(--green);transform:translateY(-1px);box-shadow:0 4px 12px #1f3d2b14}.my-listings a{color:var(--green);flex:1;min-width:140px;font-weight:600;text-decoration:none}.my-listings a:hover{text-decoration:underline}.status-pill{text-transform:uppercase;background:var(--green-soft);color:var(--green);border-radius:999px;padding:3px 10px;font-size:.75rem}.status-sold{color:#8a3b3b;background:#f3e3e3}.my-listings select{font:inherit;background:var(--card);border:1px solid var(--line);cursor:pointer;border-radius:8px;padding:6px 10px;font-size:.85rem;transition:border-color .15s}.my-listings select:hover{border-color:var(--green)}.status-reserved{background:var(--amber-soft);color:var(--amber)}.history-list{flex-direction:column;gap:10px;max-width:640px;margin:0;padding:0;list-style:none;display:flex}.history-item{background:var(--card);border:1px solid var(--line);border-radius:10px;align-items:flex-start;gap:12px;padding:14px 16px;transition:transform .15s,box-shadow .15s,border-color .15s;display:flex}.history-item:hover{border-color:var(--green);transform:translateY(-1px);box-shadow:0 4px 12px #1f3d2b14}.history-icon{font-size:1.1rem;line-height:1}.history-body{flex-direction:column;gap:4px;min-width:0;display:flex}.history-desc{color:var(--ink);margin:0}.history-snippet{color:var(--ink-soft);overflow-wrap:break-word;margin:0;font-style:italic}.history-meta{color:var(--ink-soft);margin:0;font-size:.8rem}.history-meta a{color:var(--amber)}.messages-page h1{font-family:var(--serif);color:var(--green);margin:0 0 20px}.empty{color:var(--ink-soft);font-style:italic}.messages-layout{grid-template-columns:280px 1fr;gap:20px;min-height:420px;display:grid}.conversation-list ul{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.conversation-item{text-align:left;width:100%;font:inherit;background:var(--card);border:1px solid var(--line);cursor:pointer;border-radius:10px;align-items:center;gap:10px;padding:10px 12px;transition:border-color .15s,background .15s;display:flex}.conversation-item:hover,.conversation-item.active{border-color:var(--green)}.conversation-item.active{background:var(--green-soft)}.conversation-meta{flex-direction:column;gap:2px;min-width:0;display:flex}.conversation-title{color:var(--green);white-space:nowrap;text-overflow:ellipsis;font-weight:600;overflow:hidden}.conversation-with{color:var(--ink-soft);font-size:.78rem}.conversation-preview{color:var(--ink-soft);white-space:nowrap;text-overflow:ellipsis;font-size:.82rem;overflow:hidden}.thread-view{background:var(--card);border:1px solid var(--line);border-radius:12px;flex-direction:column;gap:12px;padding:16px 20px;display:flex}.thread-header{border-bottom:1px solid var(--line);flex-direction:column;gap:2px;padding-bottom:10px;display:flex}.thread-header a{color:var(--green);font-weight:600;text-decoration:none;transition:color .15s}.thread-header a:hover{text-decoration:underline}.thread-with{color:var(--ink-soft);font-size:.82rem}.thread-messages{flex-direction:column;flex:1;gap:10px;margin:0;padding:0;list-style:none;display:flex}.thread-message{background:var(--green-soft);border-radius:10px;max-width:70%;padding:8px 12px}.thread-message p{margin:2px 0 0}.thread-message.mine{background:var(--amber-soft);align-self:flex-end}.thread-sender{text-transform:uppercase;letter-spacing:.03em;color:var(--ink-soft);font-size:.72rem}.thread-compose{align-items:flex-end;gap:10px;display:flex}.thread-compose textarea{font:inherit;border:1px solid var(--line);background:var(--paper);resize:vertical;border-radius:8px;flex:1;padding:10px 12px}.thread-compose button{font:inherit;color:var(--paper);background:var(--green);cursor:pointer;border:none;border-radius:8px;padding:10px 18px;font-weight:600;transition:background .15s}.thread-compose button:hover:not(:disabled){background:#2a5238}.thread-compose button:disabled{opacity:.6;cursor:default}@media (width<=700px){.messages-layout{grid-template-columns:1fr}}.static-page{max-width:640px}.static-page h1{font-family:var(--serif);color:var(--green);margin:0 0 20px}.static-page p{color:var(--ink-soft);line-height:1.6}.static-page h2{font-family:var(--serif);color:var(--green);margin:28px 0 6px;font-size:1.1rem}.static-page a{color:var(--amber);transition:color .15s}.static-page a:hover{color:#953f06}.static-page dl{flex-direction:column;gap:18px;display:flex}.faq-item dt{color:var(--green);margin-bottom:4px;font-weight:700}.faq-item dd{color:var(--ink-soft);margin:0;line-height:1.6}
