:root{--violet:#40e0d0;--blue:#119e98;--ink:#153633;--body:#48635f;--canvas:#fbfefd;--soft:#f1faf8;--line:#e1efeb;--mint:#40e0d0}
body{background:var(--canvas)}.top-note{background:#e4faf6;color:#116b63}.top-note a{color:#153633}.brand-koom{color:#148c81}.brand-mark{background:linear-gradient(135deg,#40e0d0,#26bfae)}.gradient-word{background:linear-gradient(110deg,#18a99e,#40e0d0);background-clip:text;-webkit-background-clip:text;color:transparent}.title-period,.heading-period{color:#24bcae}.art-halo{background:radial-gradient(ellipse,#d9f9f2,transparent 70%)}.hero-art{background:transparent}.search-box button{background:#40e0d0;color:#123d37}.search-box button:hover{background:#2ed0c0}.eyebrow-dot,.live-dot{background:#40e0d0}.section-kicker,.coral-kicker{color:#218c80}.floating-label{color:#2f685f}.hero-book-caption strong{color:#234e47}.deal-float-tag{background:#e6faf5;color:#178172}.deal-float-icon{background:#dff9f2;color:#189b8d}.wishlist-link{border-color:#dcefe9}.wishlist-link span:first-child,.wishlist-link b{color:#168e80}.wishlist-link b{background:#e5faf5}.wishlist-link.selected{background:#e5faf5;border-color:#40e0d0}
.reader-intro{background:linear-gradient(110deg,#e0faf5,#f0fcf8 65%,#e5f8f3);border-color:#cfeee5}.reader-actions button,.reader-submit{background:#40e0d0;color:#153d36;border-color:#40e0d0}.reader-actions .reader-secondary{background:#164f48;color:#fff;border-color:#164f48}.reader-copy>p{color:#5a7c73}.reader-copy>.section-kicker{color:#398e80}.reader-table th,.reader-result-note{background:#e9faf4}#reader-dialog input{accent-color:#149b8c}
.discover-categories{border-color:#deeee7}.discover-categories .filter-chip{color:#6f8981}.discover-categories .filter-chip:before{background:#edf5f1;color:#7f9b90}.discover-categories .filter-chip.active,.discover-categories .filter-chip:hover{color:#11776a;background:transparent}.discover-categories .filter-chip.active:before{background:#d5f8ef;color:#11776a}.discover-categories .filter-chip.active:after{background:#40e0d0}.filter-row .filter-chip.active{background:#40e0d0;color:#153d36;border-color:#40e0d0}.catalog-card{border-color:#e1ece7}.catalog-cover{background:linear-gradient(135deg,#eef8f3,#e8f4f1)}.retailer-button{background:#fcfefd;border-color:#e2ede7}.retailer-button.lowest{background:#e9faf4;border-color:#ceeee0}.retailer-button:hover{background:#e0f8ee;border-color:#9bdfcc}.retailer-button strong{color:#245c51}.retailer-shopee strong{color:#d94b29}.book-title:hover{color:#168c7b}.save-book[aria-pressed=true]{background:#d5f8ec;color:#137e6d}.brand-callout{background:linear-gradient(110deg,#e5faf2,#f2fcf8);border-color:#d6eee2}.brand-callout>span{color:#62d7ba}.empty-state button,.catalog-error button{background:#40e0d0;color:#153d36}a:focus-visible,button:focus-visible,input:focus-visible{outline-color:#159e8c}.toast{background:#164f48;color:#fff}
:root{--ink:#24272e;--body:#535963;--muted:#858b94;--canvas:#fff;--soft:#f7f8f9;--line:#e9ecef}
body{background:#fff;color:var(--ink)}.site-header{background:rgba(255,255,255,.94);border-bottom-color:#eceef0}.top-note{background:#f1faf8;color:#52655f}.top-note a{color:#343b39}.brand-koom{color:#168e83}.hero-lead,.reader-copy>p{color:#6f747d}.section-kicker,.coral-kicker{color:#75827f}.eyebrow{color:#5d636b}.art-halo{background:radial-gradient(ellipse,#effbf7,transparent 70%)}.hero-book-caption strong{color:#393e45}.floating-label{color:#535b60}.deal-float strong{color:#30383b}.catalog-card{background:#fff;border-color:#e8ebed}.catalog-cover{background:#f7f8f9}.book-title{color:#30343b}.catalog-meta>p{color:#8b9098}.retailer-button{background:#fff;border-color:#e8ebed}.retailer-button.lowest{background:#f5fbf9;border-color:#dceee8}.retailer-button strong{color:#424b50}.retailer-shopee strong{color:#d94b29}.retailer-brand{color:#777d84}.retailer-button:hover{background:#effaf6;border-color:#a7dfd1}.discover-categories{border-color:#e9ecee}.discover-categories .filter-chip{color:#7d828b}.discover-categories .filter-chip:before{background:#f3f4f6;color:#989da6}.discover-categories .filter-chip.active{color:#11776a}.discover-categories .filter-chip.active:before{background:#e0f9f1;color:#11776a}.filter-row .filter-chip:not(.active){background:#fff;border-color:#e9ecee;color:#747b84}.reader-intro{background:linear-gradient(110deg,#e8faf5,#f2fcf8 65%,#ecf9f4);border-color:#dfefe8}.reader-copy h2{color:#2c3437}.reader-copy>.section-kicker{color:#77958b}.reader-actions .reader-secondary{background:#e1f1eb;color:#34695b;border-color:#cfe5db}.brand-callout{background:#f6faf8;border-color:#e7eeea}.brand-callout h2{color:#343b3c}.brand-callout p{color:#858b8b}.footer-summary{color:#92969d}
.search-box button{font-size:15px;padding-inline:22px}.reader-actions button,.reader-actions .reader-secondary,.reader-submit{font-size:14px;padding:12px 18px;line-height:1.6}.filter-row .filter-chip{font-size:13px;padding:9px 15px}.discover-categories .filter-chip{font-size:14px}.shopee-top-button,.wishlist-link{font-size:13px}.retailer-brand{font-size:13px}.retailer-button strong{font-size:14px}.retailer-shopee strong{font-size:12px}.retailer-button{min-height:48px}.quick-search a{font-size:12px}.store-strip .store-link{font-size:16px}.empty-state button,.reader-restart{font-size:14px}
@media(max-width:720px){.search-box button{font-size:14px;padding-inline:17px}.reader-actions button,.reader-actions .reader-secondary{font-size:12px;padding:11px 13px}.filter-row .filter-chip{font-size:12px;padding:8px 12px}.discover-categories .filter-chip{font-size:13px}.retailer-brand{font-size:11px}.retailer-button strong{font-size:12px}.retailer-shopee strong{font-size:10px}.shopee-top-button,.wishlist-link{font-size:11px}}
@media(max-width:480px){.reader-actions button{font-size:12px}.retailer-button{padding:8px 6px}.retailer-brand{gap:4px}}

.catalog-card,.catalog-card:hover{transform:none;box-shadow:none;transition:none}
.retailer-button{transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease}
@media(hover:hover) and (pointer:fine){.retailer-button:hover{transform:translateY(-3px);box-shadow:0 7px 15px rgba(27,65,57,.14)}}
.retailer-button:active{transform:translateY(0) scale(.98);box-shadow:0 2px 4px rgba(27,65,57,.1)}
@media(prefers-reduced-motion:reduce){.retailer-button{transition:none}.retailer-button:hover,.retailer-button:active{transform:none}}
.retailer-button{position:relative;overflow:visible}.retailer-button.lowest{background:#fff0b3;border:1px solid #e5be4c;margin-top:6px}.retailer-button.lowest:hover{background:#ffe898;border-color:#d6aa2e}.retailer-button.lowest strong{color:#574011}.lowest-badge{position:absolute;top:-9px;right:10px;padding:2px 8px;border-radius:5px;background:#e74747;color:#fff;font:500 9px/1.5 Prompt,sans-serif;box-shadow:0 2px 4px #b934341a;pointer-events:none}
.load-more-books{display:block;margin:25px auto 0;padding:12px 24px;border:1px solid #b7dfd2;border-radius:11px;background:#effaf6;color:#287966;font-size:14px;cursor:pointer}.load-more-books[hidden]{display:none}

/* Compact per-book format selection; retail prices share the existing area. */
.book-format-switch{display:flex;gap:4px;padding:4px;background:#eef5f3;border-radius:10px;margin:10px 0 14px}
.book-format-switch button{flex:1;border:0;border-radius:7px;padding:9px 5px;font:500 13px Prompt,sans-serif;background:transparent;color:#637570;cursor:pointer;transition:background .15s}
.book-format-switch button[aria-pressed="true"]{background:#40e0d0;color:#143e38;box-shadow:0 2px 5px #16372f12}
.book-format-switch button:only-child{background:transparent;text-align:left;padding:4px 7px;color:#637570;box-shadow:none}