:root{--color-background:#eaf3f3;--color-background-accent:#d4e7e8;--color-surface:#fbfefe;--color-surface-soft:#f1f8f8;--color-text:#25383d;--color-text-muted:#5d7175;--color-heading:#183e47;--color-primary:#24768b;--color-primary-strong:#19596a;--color-primary-soft:#dbeef1;--color-link:#1e6478;--color-border:#cbdfe1;--color-focus:#a7482d;--color-success:#2d735b;--color-warning:#82610f;--color-danger:#a33d32;--color-info:#24768b;--color-on-dark:#ffffff;--color-header:#1d5260;--color-header-accent:#286d7d;--color-page-glow:rgba(36,118,139,0.11);--color-shadow:rgba(24,62,71,0.1);--color-shadow-strong:rgba(24,62,71,0.2);--color-header-border:rgba(255,255,255,0.16);}*,*::before,*::after{box-sizing:border-box;}html{min-width:320px;scroll-behavior:smooth;}body{min-height:100vh;margin:0;background:radial-gradient(ellipse at 8% 12%,var(--color-page-glow),transparent 34rem),radial-gradient(ellipse at 92% 24%,var(--color-background-accent),transparent 38rem),var(--color-background);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:0.9375rem;line-height:1.6;text-rendering:optimizeLegibility;}img,picture,svg{display:block;max-width:100%;}figure,blockquote,dl,dd{margin:0;}ul,ol{margin-top:0;}p{margin-top:0;margin-bottom:16px;}h1,h2,h3,h4,h5,h6{margin-top:0;color:var(--color-heading);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-weight:750;line-height:1.25;text-wrap:balance;}h1{margin-bottom:24px;font-size:clamp(1.75rem,6vw,2.5rem);}h2{margin-bottom:16px;font-size:clamp(1.35rem,4vw,2rem);}h3{margin-bottom:12px;font-size:clamp(1.1rem,3vw,1.35rem);}h4,h5,h6{margin-bottom:8px;font-size:1rem;}a{color:var(--color-link);text-decoration-thickness:1px;text-underline-offset:3px;}a:hover{color:var(--color-primary-strong);}button,input,select,textarea{color:inherit;font:inherit;}:focus-visible{outline:3px solid var(--color-focus);outline-offset:3px;}.skip-link{position:fixed;top:8px;left:8px;z-index:100;padding:8px 12px;transform:translateY(-160%);border-radius:8px;background:var(--color-heading);color:var(--color-on-dark);font-weight:700;}.skip-link:focus{transform:translateY(0);color:var(--color-on-dark);}.visually-hidden{position:absolute !important;width:1px !important;height:1px !important;padding:0 !important;margin:-1px !important;overflow:hidden !important;clip:rect(0,0,0,0) !important;white-space:nowrap !important;border:0 !important;}.site-container{width:min(100% - 32px,1320px);margin-right:auto;margin-left:auto;}.site-header{position:relative;z-index:2;background:var(--color-header);color:var(--color-on-dark);box-shadow:0 12px 32px var(--color-shadow-strong);}.brand-block{padding:16px 16px 12px;text-align:center;background:linear-gradient(135deg,var(--color-header-accent),transparent),var(--color-header);}.brand-title{margin-bottom:4px;font-size:clamp(1.75rem,7vw,2.5rem);font-weight:800;letter-spacing:-0.03em;}.brand-title a,.brand-title a:hover{color:var(--color-on-dark);text-decoration:none;}.brand-subtitle{margin:0;color:var(--color-on-dark);font-size:clamp(0.8125rem,2vw,1rem);opacity:0.82;}.site-nav{position:relative;width:min(100% - 32px,1320px);margin:0 auto;padding:4px 0;border-top:1px solid var(--color-header-border);}.nav-toggle{display:flex;width:48px;height:48px;margin-left:auto;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,0.35);border-radius:999px;background:transparent;color:var(--color-on-dark);cursor:pointer;}.nav-toggle-lines,.nav-toggle-lines::before,.nav-toggle-lines::after{width:20px;height:2px;background:currentColor;content:"";transition:transform 160ms ease,opacity 160ms ease;}.nav-toggle-lines{position:relative;}.nav-toggle-lines::before,.nav-toggle-lines::after{position:absolute;left:0;}.nav-toggle-lines::before{top:-6px;}.nav-toggle-lines::after{top:6px;}.nav-toggle.is-open .nav-toggle-lines{background:transparent;}.nav-toggle.is-open .nav-toggle-lines::before{top:0;transform:rotate(45deg);}.nav-toggle.is-open .nav-toggle-lines::after{top:0;transform:rotate(-45deg);}.primary-nav{display:none;margin:8px 0 0;padding:0;list-style:none;}.primary-nav.is-open{display:grid;}.primary-nav a{display:block;padding:12px 16px;border-radius:8px;color:var(--color-on-dark);font-weight:700;text-decoration:none;}.primary-nav a[aria-current="page"]{box-shadow:inset 0 -3px 0 var(--color-on-dark);}.primary-nav a:hover{background:rgba(255,255,255,0.1);color:var(--color-on-dark);}.legacy-menu__items,.legacy-menu__dropdown{display:flex;flex-wrap:wrap;gap:8px;}.legacy-menu__item,.legacy-menu__label{display:block;padding:8px 12px;color:var(--color-on-dark);}.legacy-menu__dropdown{padding:8px;}.nav-social{display:flex;gap:8px;justify-content:center;padding:4px 0 8px;}.social-button{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center;border-radius:999px;color:#ffffff;text-decoration:none;transition:transform 160ms ease;}.social-button:hover{color:#ffffff;transform:translateY(-2px);}.social-button--facebook{background:#3b5998;}.social-button--twitter{background:#147ba3;}.social-button--whatsapp{background:#167a3d;}.social-button--pinterest{background:#a50718;}.search-area{width:min(100% - 32px,920px);position:relative;z-index:3;margin:20px auto 0;}.search-form{display:grid;gap:8px;padding:4px;border:1px solid var(--color-border);border-radius:16px;background:var(--color-surface);box-shadow:0 12px 32px var(--color-shadow);}.form-input{width:100%;min-height:44px;padding:10px 16px;border:1px solid transparent;border-radius:12px;background:transparent;}.form-input:focus{border-color:var(--color-primary);}.button{display:inline-flex;min-height:40px;padding:8px 20px;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:999px;background:var(--color-primary);color:var(--color-on-dark);cursor:pointer;font-weight:700;line-height:1.2;text-align:center;text-decoration:none;transition:background-color 160ms ease,transform 160ms ease,box-shadow 160ms ease;}.button:hover{background:var(--color-primary-strong);color:var(--color-on-dark);transform:translateY(-1px);box-shadow:0 8px 16px var(--color-shadow-strong);}.button--secondary{border-color:var(--color-border);background:var(--color-surface);color:var(--color-heading);}.button--secondary:hover{background:var(--color-primary-soft);color:var(--color-primary-strong);}.site-main{display:block;width:min(100% - 32px,1320px);margin:16px auto 32px;padding:24px 16px;border:1px solid var(--color-border);border-radius:16px;background:var(--color-surface);box-shadow:0 24px 64px var(--color-shadow);}.page-heading{position:relative;margin-bottom:24px;padding-bottom:12px;text-align:center;}.page-heading::after{position:absolute;bottom:0;left:50%;width:64px;height:3px;transform:translateX(-50%);border-radius:999px;background:var(--color-primary);content:"";}.book-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}.book-card{display:flex;min-width:0;min-height:100%;overflow:hidden;flex-direction:column;border:1px solid var(--color-border);border-radius:12px;background:var(--color-surface);box-shadow:0 8px 24px var(--color-shadow);transition:transform 160ms ease,box-shadow 160ms ease;}.book-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px var(--color-shadow-strong);}.book-card__cover{width:min(112px,calc(100% - 24px));margin:16px auto 0;overflow:hidden;border-radius:4px;background:var(--color-surface-soft);box-shadow:0 12px 24px var(--color-shadow-strong);}.book-card__cover img{width:100%;height:auto;}.book-card__body{padding:12px;flex:1;text-align:center;}.book-card__title{margin:0;font-family:inherit;font-size:0.875rem;font-weight:750;line-height:1.35;}.book-card__author{margin:4px 0 0;color:var(--color-text-muted);font-size:0.8125rem;line-height:1.35;}.book-card__title a{color:var(--color-heading);text-decoration:none;}.book-card__title a:hover{color:var(--color-primary-strong);text-decoration:underline;}.content-panel{margin-top:16px;overflow:hidden;border:1px solid var(--color-border);border-radius:12px;background:var(--color-surface);box-shadow:0 8px 24px var(--color-shadow);}.content-panel__heading{margin:0;padding:12px 16px;border-bottom:1px solid var(--color-border);background:var(--color-surface);color:var(--color-link);font-size:clamp(1rem,3vw,1.2rem);}.content-panel__body{padding:12px 16px;}.content-panel__body>ul,.tag-list{display:flex;margin:0;padding:0;flex-wrap:wrap;gap:8px;list-style:none;}.content-panel__body>ul a,.tag-list a{display:block;padding:6px 12px;border-radius:999px;background:var(--color-primary-soft);color:var(--color-primary-strong);font-size:0.875rem;font-weight:650;text-decoration:none;}.content-panel__body>ul a:hover,.tag-list a:hover{background:var(--color-primary);color:var(--color-on-dark);}.result-list{display:grid;gap:24px;}.result-card,.book-detail{overflow:hidden;border:1px solid var(--color-border);border-radius:16px;background:var(--color-surface);box-shadow:0 12px 32px var(--color-shadow);}.book-detail{display:grid;grid-template-areas:"header" "sidebar" "body" "footer";}.result-card__header,.book-detail__header{padding:16px 20px;border-bottom:1px solid var(--color-border);background:var(--color-surface-soft);}.book-detail__header{grid-area:header;background:var(--color-surface);}.result-card__title,.book-detail__title{margin:0;font-size:clamp(1.25rem,4vw,2rem);}.book-detail__title{font-size:clamp(1.5rem,5vw,2.25rem);}.book-detail__authors{margin-top:8px;margin-bottom:0;}.book-detail__authors li{padding:0;background:transparent;color:var(--color-primary-strong);font-weight:700;}.result-card__title a{color:var(--color-heading);text-decoration:none;}.result-card__body,.book-detail__body{padding:20px;}.book-detail__body{grid-area:body;min-width:0;}.result-card__body{display:flow-root;}.result-card__cover,.book-detail__cover{width:128px;margin:0 auto 24px;overflow:hidden;border-radius:4px;box-shadow:0 12px 24px var(--color-shadow-strong);}.book-detail__sidebar{grid-area:sidebar;min-width:0;padding:20px;background:var(--color-surface-soft);}.book-detail__sidebar .book-detail__cover{width:min(100%,210px);margin:0 auto 24px;}.book-detail__technical{padding:16px;border:1px solid var(--color-border);border-radius:12px;background:var(--color-surface);}.book-detail__technical h2{margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid var(--color-border);color:var(--color-link);font-size:1rem;}.book-detail__technical h3{margin:16px 0 4px;font-size:0.875rem;}.book-detail__technical p,.book-detail__technical .metadata-list{margin-bottom:12px;font-size:0.875rem;}.book-detail__technical .metadata-list li{padding:0;background:transparent;}.result-card__cover img,.book-detail__cover img{width:100%;height:auto;}.result-card__footer,.book-detail__footer{display:flex;padding:16px 20px;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center;border-top:1px solid var(--color-border);background:var(--color-surface-soft);}.book-detail__footer{grid-area:footer;}.book-detail__section{padding-top:8px;}.book-detail__section + .book-detail__section{margin-top:32px;}.book-detail__section h2{padding-bottom:8px;border-bottom:1px solid var(--color-border);color:var(--color-heading);font-size:clamp(1.05rem,3vw,1.25rem);}.book-detail__section h3{margin-top:16px;margin-bottom:4px;font-family:inherit;font-size:1rem;font-weight:800;}.metadata-list{display:flex;margin:0 0 16px;padding:0;flex-wrap:wrap;gap:8px;list-style:none;}.metadata-list li{padding:8px 12px;border-radius:8px;background:var(--color-surface-soft);}.related-book{display:grid;padding:12px;grid-template-columns:72px minmax(0,1fr);grid-template-areas:"cover content" "action action";gap:12px 16px;align-items:center;border-radius:12px;}.related-book__cover{grid-area:cover;width:72px;margin:0;}.related-book__content{grid-area:content;min-width:0;}.related-book__title{margin-bottom:8px;font-size:0.9375rem;}.related-book__content p{display:-webkit-box;margin:0;overflow:hidden;color:var(--color-text-muted);font-size:0.8125rem;-webkit-box-orient:vertical;-webkit-line-clamp:3;}.related-book__action{grid-area:action;text-align:right;}.related-book__action .button{min-height:36px;padding:6px 16px;font-size:0.8125rem;}.book-detail__final-panels{display:grid;gap:16px;}.book-detail__final-panels .content-panel{min-width:0;}.action-row{padding:16px 0;text-align:center;}.share-list{display:flex;margin:0;padding:0;gap:12px;list-style:none;}.notice{margin-bottom:24px;padding:16px 20px;border-left:4px solid var(--color-info);border-radius:8px;background:var(--color-primary-soft);color:var(--color-heading);font-family:inherit;font-size:1.1rem;font-weight:700;}.breadcrumb{margin-bottom:24px;font-size:0.875rem;}.breadcrumb ol{display:flex;margin:0;padding:8px 12px;flex-wrap:wrap;gap:4px;border:1px solid var(--color-border);border-radius:999px;background:var(--color-surface-soft);list-style:none;}.breadcrumb li{display:flex;min-width:0;align-items:center;}.breadcrumb li + li::before{margin:0 8px;color:var(--color-text-muted);content:"/";}.breadcrumb [aria-current="page"] span{display:block;max-width:220px;overflow:hidden;color:var(--color-text-muted);text-overflow:ellipsis;white-space:nowrap;}.pagination{display:flex;margin-top:24px;flex-wrap:wrap;gap:12px;justify-content:center;}.pagination__link{display:inline-flex;min-height:44px;padding:8px 16px;align-items:center;border:1px solid var(--color-border);border-radius:999px;background:var(--color-surface);font-weight:700;text-decoration:none;}.category-index{margin:0;padding-left:24px;columns:1;}.category-index li{break-inside:avoid;margin-bottom:8px;}.legal-content{max-width:800px;margin:0 auto;}.legal-content h2{margin-top:32px;}.legal-content__center{display:flex;justify-content:center;}.site-footer{padding:20px 16px;background:var(--color-header);color:var(--color-on-dark);text-align:center;}.site-footer p{margin:0;}.site-footer a,.site-footer a:hover{color:var(--color-on-dark);}.modal{position:fixed;inset:0;z-index:90;display:none;padding:16px;align-items:center;justify-content:center;}.modal.is-open{display:flex;}.modal__backdrop{position:absolute;inset:0;background:rgba(15,26,30,0.72);}.modal__dialog{position:relative;z-index:1;display:grid;width:min(100%,520px);max-height:calc(100vh - 32px);overflow:hidden;grid-template-rows:auto minmax(0,1fr) auto;border:1px solid var(--color-border);border-radius:20px;background:var(--color-surface);box-shadow:0 24px 64px var(--color-shadow-strong);}.modal__header,.modal__footer{display:flex;padding:12px 16px;align-items:center;gap:16px;background:var(--color-surface-soft);}.modal__header{justify-content:space-between;border-bottom:1px solid var(--color-border);background:var(--color-surface);}.modal__footer{justify-content:flex-end;border-top:1px solid var(--color-border);}.modal__title{margin:0;font-size:1.125rem;font-weight:700;}.modal__body{overflow-y:auto;padding:20px;text-align:center;}.modal__close{position:relative;width:40px;height:40px;flex:0 0 auto;border:0;border-radius:999px;background:transparent;cursor:pointer;}.modal__close::before,.modal__close::after{position:absolute;top:19px;left:10px;width:20px;height:2px;background:var(--color-heading);content:"";}.modal__close::before{transform:rotate(45deg);}.modal__close::after{transform:rotate(-45deg);}#mymodal-content h5{margin-bottom:12px;font-size:1.25rem;}#mymodal-content picture,#mymodal-content .mycover{width:112px;margin-right:auto;margin-left:auto;}#ebook-download-link{display:flex;padding:16px 0 0;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center;}#ebook-download-link a{display:inline-flex;min-height:40px;padding:8px 20px;align-items:center;border-radius:999px;background:var(--color-primary);color:var(--color-on-dark);font-weight:700;text-decoration:none;}#ebook-download-link>div:empty,#ebook-download-link a:empty{display:none;}.icon,.myicon,.icon-arrow-left,.icon-arrow-right{display:inline-block;width:1em;height:1em;flex:0 0 auto;fill:currentColor;stroke:currentColor;}.icon-arrow-left{margin-right:4px;}.icon-arrow-right{margin-left:4px;}.rating-box{position:relative;width:min(100%,280px);margin:20px auto;padding:32px 16px;border:1px solid var(--color-border);border-radius:12px;background:var(--color-surface);box-shadow:0 8px 24px var(--color-shadow);text-align:center;}.ribbon{position:absolute;top:0;right:0;overflow:hidden;width:96px;height:96px;}.ribbon span{position:absolute;top:20px;right:-28px;display:block;width:120px;padding:4px;transform:rotate(45deg);background:var(--color-success);color:var(--color-on-dark);font-size:0.75rem;font-weight:800;text-align:center;text-transform:uppercase;}.star-checked,.star-nochecked{color:#a86608;}#ratv{margin:0;font-size:4rem;line-height:1;text-align:center;}#cratv{padding-top:20px;text-align:center;}#rateYo{height:40px;margin:0 auto;font-size:2rem;}.table-container{max-width:100%;overflow-x:auto;}.stats-page{padding:32px 0;}.stats-summary{margin-bottom:24px;color:var(--color-text-muted);}.table,table{width:100%;border-collapse:collapse;background:var(--color-surface);}.table th,.table td,table th,table td{padding:8px 12px;border:1px solid var(--color-border);text-align:left;}.u-max-full-width{max-width:100%;height:auto;}@media (min-width:40rem){.search-form{grid-template-columns:1fr auto;border-radius:999px;}.form-input{border-radius:999px;}.book-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}.result-card__cover:not(.related-book__cover){float:left;margin-right:24px;}.category-index{columns:2;column-gap:32px;}}@media (min-width:48rem){.site-nav{display:grid;grid-template-columns:1fr auto;align-items:center;}.nav-toggle{display:none;}.primary-nav,.primary-nav.is-open{display:flex;margin:0;}.nav-social{padding:0;}.site-main{margin-top:20px;padding:24px;border-radius:24px;}.book-grid{grid-template-columns:repeat(4,minmax(0,1fr));}.book-grid--home{grid-template-columns:repeat(3,minmax(0,1fr));}.result-card__body,.book-detail__body{padding:32px;}.book-detail{grid-template-columns:240px minmax(0,1fr);grid-template-areas:"header header" "sidebar body" "sidebar footer";align-items:start;}.book-detail__sidebar{min-height:100%;border-right:1px solid var(--color-border);}.book-detail__footer{align-self:end;}.related-book{grid-template-columns:72px minmax(0,1fr) auto;grid-template-areas:"cover content action";}.related-book__action{align-self:center;}.category-index{columns:3;}}@media (min-width:72rem){.book-grid--home{grid-template-columns:repeat(5,minmax(0,1fr));}.book-grid--compact{grid-template-columns:repeat(4,minmax(0,1fr));}.book-detail__final-panels{grid-template-columns:repeat(2,minmax(0,1fr));}.category-index{columns:4;}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}*,*::before,*::after{scroll-behavior:auto !important;transition-duration:0.01ms !important;}}