/* Kiếm Thư – tương thích theme Astra (và các theme khác) */
#kt-app{--bg:#f6f1e7;--surface:#fffaf0;--text:#2b2620;--muted:#7a6f60;--accent:var(--ast-global-color-0,#a8321f);--line:#e3d9c6;
width:100vw;max-width:100vw;margin-left:calc(50% - 50vw);background:var(--bg);color:var(--text);line-height:1.7;box-sizing:border-box;font-size:16px;font-family:inherit}
@media (prefers-color-scheme:dark){#kt-app:not([data-theme="light"]):not([data-theme="sepia"]){--bg:#17140f;--surface:#211c15;--text:#e8dfcf;--muted:#9a8f7c;--accent:#d9674f;--line:#352d22;color-scheme:dark}}
#kt-app[data-theme="dark"]{--bg:#17140f;--surface:#211c15;--text:#e8dfcf;--muted:#9a8f7c;--accent:#d9674f;--line:#352d22;color-scheme:dark}
#kt-app[data-theme="sepia"]{--bg:#ead9b8;--surface:#f1e3c6;--text:#3b2f1c;--muted:#7d6a48;--accent:var(--ast-global-color-0,#8c2a14);--line:#d6c29a}
#kt-app[data-theme="light"]{--bg:#fff;--surface:#f5f5f3;--text:#1d1d1b;--muted:#6b6b66;--accent:var(--ast-global-color-0,#b0301c);--line:#e4e4e0}
#kt-app *{box-sizing:border-box}
#kt-app h1{color:var(--text);margin:.2em 0 .1em;font-size:26px;line-height:1.25;font-weight:700;text-transform:none}
#kt-app p{margin:0 0 1em;color:inherit}
#kt-app button{font:inherit;font-size:14px;font-weight:400;line-height:1.4;background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:6px 11px;cursor:pointer;min-height:0;box-shadow:none;text-transform:none;letter-spacing:0;text-decoration:none;width:auto}
#kt-app button:hover,#kt-app button:focus{border-color:var(--accent);background:var(--surface);color:var(--text)}
#kt-app button[disabled]{opacity:.4;cursor:default}
#kt-app .kt-head{position:sticky;top:var(--kt-top,var(--wp-admin--admin-bar--height,0px));z-index:20;background:var(--bg);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 16px}
#kt-app .kt-logo{font-weight:700;font-size:20px;color:var(--accent);cursor:pointer}
#kt-app .kt-tools{display:flex;gap:6px}
#kt-app .kt-main{max-width:760px;margin:0 auto;padding:22px 16px 60px}
#kt-app .kt-main.wide{max-width:none;padding:0 0 60px}
#kt-app .kt-hero{padding:26px 16px 18px}
#kt-app .kt-hero h1{font-size:clamp(28px,6vw,46px)}
#kt-app .kt-sub{color:var(--muted);font-size:14px;margin:4px 0 14px}
#kt-app input.kt-srch{display:block;width:100%;height:auto;font:inherit;font-size:16px;background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:0;box-shadow:none}
#kt-app input.kt-srch:focus{border-color:var(--accent);outline:none}
#kt-app .kt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px}
#kt-app .kt-tile{cursor:pointer;position:relative;overflow:hidden;background:var(--surface)}
#kt-app .kt-cv{aspect-ratio:2/3;overflow:hidden;position:relative}
#kt-app .kt-cv svg,#kt-app .kt-cv img{width:100%;height:100%;max-width:none;display:block;object-fit:cover;margin:0;border-radius:0;box-shadow:none;transition:transform .4s}
#kt-app .kt-tile:hover svg,#kt-app .kt-tile:hover img{transform:scale(1.06)}
#kt-app .kt-bd{position:absolute;top:8px;left:8px;background:var(--accent);color:#fff;font:700 11px/1.6 sans-serif;padding:0 8px;border-radius:20px}
#kt-app .kt-cap{padding:8px 10px 14px}
#kt-app .kt-cap b{display:block;font-size:clamp(12px,2.4vw,17px);line-height:1.3}
#kt-app .kt-cap span{font-size:clamp(10px,1.8vw,13px);color:var(--muted)}
#kt-app .kt-empty{grid-column:1/-1;padding:40px 16px;text-align:center;color:var(--muted)}
#kt-app .kt-back{color:var(--accent);cursor:pointer;font-size:14px;display:inline-block;margin-bottom:12px}
#kt-app .kt-list{margin-top:18px}
#kt-app .kt-chap{display:flex;justify-content:space-between;gap:10px;padding:11px 4px;border-bottom:1px solid var(--line);cursor:pointer}
#kt-app .kt-chap:hover{color:var(--accent)}
#kt-app .kt-meta{color:var(--muted)}
#kt-app .kt-read{font-family:Georgia,"Noto Serif","Times New Roman",serif}
#kt-app .kt-read h1{text-align:center;font-size:1.2em;margin-bottom:24px}
#kt-app .kt-read p{text-indent:1.6em;text-align:justify}
#kt-app .kt-nav{display:flex;justify-content:space-between;gap:10px;margin-top:30px}
#kt-app .kt-pl{display:flex;flex-wrap:wrap;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin:0 0 22px;position:sticky;top:calc(var(--kt-top,var(--wp-admin--admin-bar--height,0px)) + 56px);z-index:10;font-family:system-ui,sans-serif;text-indent:0}
#kt-app .kt-pl button{min-width:40px}
#kt-app .kt-pl .kt-pp{background:var(--accent);color:#fff;border-color:var(--accent)}
#kt-app .kt-pl input[type=range]{flex:1 1 120px;min-width:0;width:auto;padding:0;margin:0;border:0;background:transparent;accent-color:var(--accent)}
#kt-app .kt-tm{font-size:12px;color:var(--muted);white-space:nowrap}

/* ===== Astra: bỏ khung nội dung, tiêu đề trang, sidebar để web tràn viền ===== */
body.kt-astra .entry-header,body.kt-astra .comments-area,body.kt-astra #secondary,body.kt-astra .ast-breadcrumbs-wrapper{display:none!important}
body.kt-astra .site-content>.ast-container{max-width:none;padding-left:0;padding-right:0;display:block}
body.kt-astra #primary{width:100%;max-width:none;margin:0!important;padding:0!important;border:0}
body.kt-astra .site-main,body.kt-astra .entry-content,body.kt-astra .ast-article-post,body.kt-astra .ast-article-single{margin:0!important;padding:0!important;background:transparent!important;border:0!important;box-shadow:none!important}
body.kt-astra .entry-content>#kt-app{margin-top:0}
body.kt-astra #kt-app{width:100%;max-width:none;margin-left:0}
body.kt-astra .ast-separate-container .ast-article-post,body.kt-astra.ast-separate-container .ast-article-single{padding:0!important;background:transparent!important}