*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow:hidden;background:#f5eedc;font-family:"Kanit","Noto Sans Thai",system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-tap-highlight-color:transparent}
#leh-app{position:fixed;inset:0;display:flex;flex-direction:column;background:#f5eedc}
#leh-stage{flex:1;min-height:0;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;padding:14px 14px 6px}
#leh-book{width:100%;height:100%;position:relative;opacity:0;transition:opacity .35s}
#leh-book.leh-ready{opacity:1}
.leh-page{background:#fff;overflow:hidden}
.leh-page canvas{display:block;width:100%;height:100%}
.leh-page.leh-cover{box-shadow:inset 0 0 0 1px rgba(0,0,0,.12)}
#leh-bar{flex:none;display:flex;align-items:center;justify-content:center;gap:8px;padding:8px 10px;background:linear-gradient(to bottom,#451808,#170803);color:#fff;font-size:15px}
#leh-bar[hidden]{display:none}
#leh-bar button,#leh-bar a{appearance:none;border:0;background:rgba(255,255,255,.12);color:#fff;min-width:38px;height:38px;border-radius:8px;font-size:17px;line-height:38px;text-align:center;text-decoration:none;cursor:pointer;padding:0 8px}
#leh-bar button:hover,#leh-bar a:hover{background:rgba(255,255,255,.28)}
#leh-bar button:disabled{opacity:.35;cursor:default}
#leh-pageinfo{min-width:90px;text-align:center;white-space:nowrap}
#leh-pageinput{width:56px;height:34px;border:0;border-radius:6px;text-align:center;font:inherit;background:#fff;color:#222;-moz-appearance:textfield}
#leh-pageinput::-webkit-outer-spin-button,#leh-pageinput::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.leh-sep{width:1px;height:22px;background:rgba(255,255,255,.25);margin:0 4px}
#leh-loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:#5a4630;font-size:15px;pointer-events:none}
#leh-loading.leh-done{display:none}
.leh-spin{width:38px;height:38px;border-radius:50%;border:4px solid rgba(149,118,75,.25);border-top-color:#95764b;animation:leh-r 1s linear infinite}
@keyframes leh-r{to{transform:rotate(360deg)}}
#leh-error{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;padding:24px;color:#3a2f22;font-size:16px;line-height:1.6}
#leh-error[hidden]{display:none}
#leh-error a{color:#95764b}
@media (max-width:560px){#leh-bar{gap:5px}#leh-bar button,#leh-bar a{min-width:36px}}
#leh-top{flex:none;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:6px 16px;background:linear-gradient(to bottom,#ffcc00,#ffb600);color:#fff;font-family:"SF Thonburi","SFThonburi","Thonburi","Kanit","Noto Sans Thai",system-ui,sans-serif}
.leh-top-l,.leh-top-r{flex:1 1 0;min-width:0;display:flex;flex-direction:column;justify-content:center;line-height:1.35}
.leh-top-l{align-items:flex-end;text-align:right;color:#6b1d0a;font-size:14px;font-weight:600}
.leh-top-r{align-items:flex-start;text-align:left;color:#fff;font-size:14px;font-weight:600}
.leh-top-logo{flex:none;display:block;line-height:0}
.leh-top-logo img{height:40px;width:auto;display:block}
.leh-short{display:none}
@media (max-width:700px){#leh-top{padding:6px 10px;gap:8px}.leh-full{display:none}.leh-short{display:block;color:#6b1d0a;font-size:13px;font-weight:600}.leh-top-l,.leh-top-r{justify-content:center}}
#leh-bar button#leh-share{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:#ffb600;color:#451808;font-size:14px;font-weight:700;padding:0 14px;font-family:inherit}
#leh-bar button#leh-share:hover{background:#ffcc00}
@media (max-width:560px){#leh-bar button#leh-share{padding:0 10px}.leh-share-txt{display:none}}
#leh-share-modal{position:absolute;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:14px;background:rgba(23,8,3,.6)}
#leh-share-modal[hidden]{display:none}
.leh-sh-box{position:relative;width:100%;max-width:480px;max-height:100%;overflow:auto;background:#fff;color:#3a2f22;border-radius:12px;padding:20px 20px 18px;box-shadow:0 10px 40px rgba(0,0,0,.35)}
.leh-sh-box h3{margin:0 0 12px;font-size:18px;color:#451808}
#leh-sh-close{position:absolute;top:8px;right:10px;border:0;background:transparent;font-size:28px;line-height:1;color:#777;cursor:pointer}
.leh-sh-lbl{font-size:14px;font-weight:600;margin:12px 0 6px}
.leh-sh-row{display:flex;gap:8px;align-items:stretch}
.leh-sh-row input,.leh-sh-row textarea{flex:1;min-width:0;border:1px solid #d8cdb8;border-radius:8px;padding:8px 10px;font:13px/1.4 ui-monospace,Menlo,Consolas,monospace;color:#222;background:#faf6ec;resize:none}
.leh-sh-copy{flex:none;border:0;border-radius:8px;background:#451808;color:#fff;padding:0 14px;font-size:14px;font-weight:600;font-family:inherit;cursor:pointer;min-height:38px}
.leh-sh-copy:hover{background:#6b2a10}
.leh-sh-copy.leh-ok{background:#2e7d32}
.leh-sh-chk{display:flex;align-items:center;gap:6px;font-size:13px;margin-top:8px;cursor:pointer}