/* PHO Tang Chi Pham Navigation v3 */
.ph-tc-reader-v4 .ph-tc-pham-nav-v1{max-width:92ch;margin:18px auto;padding:7px;border:1px solid #dfd2bf;border-radius:14px;background:rgba(255,253,248,.98);box-shadow:0 8px 24px rgba(64,43,21,.10);gap:7px}.ph-tc-reader-v4 .ph-tc-pham-nav-v1 button{display:flex;align-items:center;min-height:48px;border:1px solid transparent;border-radius:10px;background:transparent;color:#594225;font-family:Koholocal,Georgia,serif;font-size:15px;font-weight:750;line-height:1.25;padding:10px 13px;transition:background .16s ease,border-color .16s ease,color .16s ease,transform .16s ease}.ph-tc-reader-v4 .ph-tc-pham-nav-v1 button:hover:not(:disabled),.ph-tc-reader-v4 .ph-tc-pham-nav-v1 button:focus-visible{border-color:#d9bb86;background:#fff3dc;color:#734619;outline:0;transform:translateY(-1px)}.ph-tc-reader-v4 .ph-tc-pham-nav-v1 button:disabled{color:#ad9f8e;opacity:1;background:transparent}.ph-tc-reader-v4 .ph-tc-pham-nav-prev-v1,.ph-tc-reader-v4 .ph-tc-pham-nav-next-v1{min-width:0;display:grid!important;align-content:center;gap:3px}.ph-tc-reader-v4 .ph-tc-pham-nav-next-v1{text-align:right}.ph-tc-reader-v4 .ph-tc-pham-nav-index-v1{min-width:190px;justify-content:center;flex-direction:column;gap:2px;border-color:#e6d6ba;background:#fffaf1;color:#75491b}.ph-tc-reader-v4 .ph-tc-pham-nav-index-v1 span{color:#98734a;font-family:system-ui,sans-serif;font-size:11px;font-weight:780;letter-spacing:.035em}.ph-tc-reader-v4 .ph-tc-pham-nav-index-v1 b{font-size:14px;font-weight:800}.ph-tc-reader-v4 .ph-tc-pham-nav-v1 small[data-ph-tc-prev-title],.ph-tc-reader-v4 .ph-tc-pham-nav-v1 small[data-ph-tc-next-title]{display:block;overflow:hidden;color:#947553;font-family:system-ui,sans-serif;font-size:11px;font-weight:650;line-height:1.25;text-overflow:ellipsis;white-space:nowrap}.ph-tc-reader-v4 .ph-tc-pham-dialog-list-v1 button.is-current:after{content:'● Đang đọc';display:block;margin-top:4px;color:#9b651b;font-family:system-ui,sans-serif;font-size:11px;font-weight:800}@media(max-width:760px){.ph-tc-reader-v4 .ph-tc-pham-nav-v1 small[data-ph-tc-prev-title],.ph-tc-reader-v4 .ph-tc-pham-nav-v1 small[data-ph-tc-next-title]{display:none!important}}/* Mobile compact override */
@media(max-width:760px){.ph-tc-reader-v4 .ph-tc-content-v4+.ph-tc-pham-nav-v1{height:64px!important;min-height:64px!important;max-height:64px!important;grid-template-rows:54px!important;align-items:stretch!important}.ph-tc-reader-v4 .ph-tc-content-v4+.ph-tc-pham-nav-v1 button{min-height:54px!important;height:54px!important;overflow:hidden!important}.ph-tc-reader-v4 .ph-tc-content-v4+.ph-tc-pham-nav-v1 small[data-ph-tc-prev-title],.ph-tc-reader-v4 .ph-tc-content-v4+.ph-tc-pham-nav-v1 small[data-ph-tc-next-title]{display:none!important}}
/* Arrival orientation: restrained, and no animation for reduced-motion readers. */
.ph-tc-reader-v4 .ph-tc-content-v4 h2[id^=pham-].ph-tc-pham-arrived-v1{animation:phTcPhamArriveV1 1.5s ease-out 1;box-shadow:0 0 0 4px rgba(202,164,109,.20),0 9px 22px rgba(92,61,21,.14)!important}@keyframes phTcPhamArriveV1{0%{background:#ffe7af!important;transform:translateY(-2px)}100%{transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.ph-tc-reader-v4 .ph-tc-content-v4 h2[id^=pham-].ph-tc-pham-arrived-v1{animation:none!important}}

/* Visually hidden, announced when the current Pham changes. */
.ph-tc-pham-nav-live-v1{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}

/* PHO_TANGCHI_INDEX_CONTRAST_V1 */
.ph-tc-reader-v4 .ph-tc-pham-nav-index-v1{background:#fff8ea!important;border-color:#d9ba83!important;color:#4d2d0e!important;box-shadow:inset 0 1px 0 rgba(255,255,255,.82)}.ph-tc-reader-v4 .ph-tc-pham-nav-index-v1 b{color:#4d2d0e!important;-webkit-text-fill-color:#4d2d0e!important}.ph-tc-reader-v4 .ph-tc-pham-nav-index-v1 span{color:#76501c!important;-webkit-text-fill-color:#76501c!important;font-weight:850!important}.ph-tc-reader-v4 .ph-tc-pham-nav-index-v1:hover:not(:disabled),.ph-tc-reader-v4 .ph-tc-pham-nav-index-v1:focus-visible{background:#fff0d0!important;color:#3f2409!important}

/* PHO_TANGCHI_INDEX_ITEM_CONTRAST_V1 */
.ph-tc-reader-v4 .ph-tc-pham-dialog-list-v1 button{color:#4b2c0d!important;-webkit-text-fill-color:#4b2c0d!important;font-weight:780!important;text-shadow:0 1px 0 rgba(255,255,255,.45)}.ph-tc-reader-v4 .ph-tc-pham-dialog-list-v1 button:hover{color:#351d07!important;-webkit-text-fill-color:#351d07!important}.ph-tc-reader-v4 .ph-tc-pham-dialog-list-v1 button.is-current{color:#3b2109!important;-webkit-text-fill-color:#3b2109!important}