/* Diệu An Modern Reader — lớp công cộng đơn giản, ưu tiên người đọc lớn tuổi */
.da-modern-reader{position:fixed;left:50%;bottom:max(10px,env(safe-area-inset-bottom));transform:translateX(-50%);z-index:99990;display:flex;gap:7px;align-items:center;padding:8px;border:1px solid #d7c39d;border-radius:16px;background:rgba(255,253,247,.97);box-shadow:0 10px 34px #0002;backdrop-filter:blur(12px);max-width:calc(100vw - 20px)}
.da-modern-reader button,.da-modern-reader a{min-height:46px;padding:9px 13px;border:1px solid #b99a69;border-radius:11px;background:#fff;color:#4a3825;font:800 13px/1.1 system-ui,-apple-system,sans-serif;text-decoration:none;display:flex;align-items:center;justify-content:center;white-space:nowrap}.da-modern-reader .da-primary{background:#5b452d;color:#fff}.da-modern-reader button:disabled{opacity:.4}.da-modern-drawer{position:fixed;inset:0;z-index:99995;background:#0006;display:none;align-items:stretch;justify-content:flex-end}.da-modern-drawer.open{display:flex}.da-modern-panel{width:min(440px,92vw);height:100%;overflow:auto;background:#fffdf8;padding:18px;box-shadow:-10px 0 35px #0003}.da-modern-panel header{display:flex;justify-content:space-between;gap:10px;align-items:center;position:sticky;top:0;background:#fffdf8;padding:6px 0 12px}.da-modern-panel header button{min-width:46px;min-height:46px;border:1px solid #c8aa82;border-radius:10px;background:#fff;font-size:22px}.da-modern-panel a{display:block;padding:11px 8px;border-bottom:1px solid #eee0cc;color:#563e28;text-decoration:none;font-weight:700}.da-modern-panel a.active{background:#fff0bd;border-radius:8px}.da-modern-search{display:flex;gap:8px;margin:10px 0 14px}.da-modern-search input{min-width:0;flex:1;padding:12px;border:1px solid #c8aa82;border-radius:10px;font-size:16px}.da-modern-search button{padding:10px 13px;border:0;border-radius:10px;background:#5b452d;color:#fff;font-weight:800}@media(max-width:680px){body{padding-bottom:78px}.da-modern-reader{left:8px;right:8px;transform:none;max-width:none;display:grid;grid-template-columns:1fr 1fr 1.2fr 1fr 1fr}.da-modern-reader button,.da-modern-reader a{padding:7px 4px;font-size:11px;min-height:50px}.da-modern-reader .da-label{display:none}}@media print{.da-modern-reader,.da-modern-drawer{display:none!important}}