.tvtl-th-wrap{max-width:980px;margin:24px auto;padding:32px;background:#fff;border:1px solid #e4e4e4;font-family:Arial,sans-serif}.tvtl-th-wrap h1{text-align:center;margin:0 0 8px;font-size:32px}.tvtl-th-wrap .intro{text-align:center;color:#555;margin-bottom:28px}.tvtl-th-wrap .warn{padding:12px 14px;background:#fff3cd;border:1px solid #ffe69c;margin-bottom:18px}.tvtl-th-wrap .grid{display:grid;grid-template-columns:2fr 1fr 1fr repeat(3,.8fr);gap:12px;align-items:end}.tvtl-th-wrap label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:14px}.tvtl-th-wrap input,.tvtl-th-wrap select{height:42px;border:1px solid #bbb;border-radius:4px;padding:6px 9px;background:#fff}.tvtl-th-wrap .leap{justify-content:flex-end}.tvtl-th-wrap .leap input{height:22px;width:22px}.yearbox{margin:24px 0;padding:18px;border:1px solid #cfd8dc;background:#f7faf8}.yearbox label{max-width:260px;margin:auto;text-align:center;font-size:16px}.yearbox input{text-align:center;font-size:22px;font-weight:700}.tvtl-th-wrap button{display:block;margin:0 auto;background:#087d2f;color:#fff;border:0;border-radius:24px;padding:13px 28px;font-weight:700;cursor:pointer}.tvtl-th-wrap #tvtl-th-msg{text-align:center;margin:12px;color:#a00}.tvtl-th-card{margin-top:26px;border-top:3px solid #087d2f;padding-top:18px}.tvtl-th-card>h2{text-align:center}.muted{color:#666;text-align:center}.period{border:1px solid #ddd;border-radius:8px;padding:18px;margin:18px 0}.period h3{margin-top:0}.facts{display:flex;flex-wrap:wrap;gap:10px 22px;background:#f6f6f6;padding:12px;margin:10px 0}.notes li{margin:7px 0}.test-note{background:#eef7ff;border-left:4px solid #1d6fa5;padding:12px 14px}.tvtl-th-page .site-content .ast-container{max-width:1200px}
@media(max-width:800px){.tvtl-th-wrap{padding:20px 14px}.tvtl-th-wrap .grid{grid-template-columns:1fr 1fr}.tvtl-th-wrap .grid label:first-child{grid-column:1/-1}.facts{display:block}.facts span{display:block;margin:6px 0}}

/* v0.4: representative chart + VCD + synthesized Tiểu hạn */
.tvtl-th-wrap{max-width:1240px}.tvtl-th-wrap>form{max-width:980px;margin-left:auto;margin-right:auto}.tvtl-th-representative{margin:26px 0 34px;border:1px solid #d7e5dc;background:#fbfffc;padding:18px}.tvtl-th-representative>h3{text-align:center;margin:0 0 8px}.tvtl-th-chart-viewport{width:100%;overflow:auto;background:#fff;border:1px solid #ddd;padding:8px}.tvtl-th-chart-shell{width:1152px;max-width:none;margin:0 auto}.tvtl-th-chart-shell>.tvtl-render{margin:0!important}.vcd-note{background:#fff8dc;border-left:4px solid #d4a017;padding:10px 12px}.tvtl-th-synthesis{background:#f7faf8;border-left:4px solid #087d2f;padding:12px 14px}.tvtl-th-synthesis p{margin:7px 0;line-height:1.55}.period em{font-size:12px;color:#666}
@media(max-width:800px){.tvtl-th-wrap{max-width:100%}.tvtl-th-chart-shell{width:1152px}.tvtl-th-chart-viewport{overflow:auto}}

/* v0.6: fit chart in page + readable annual-limit report */
.tvtl-th-chart-tools{text-align:center;margin:8px 0 12px}.tvtl-th-chart-tools .tvtl-th-expand{padding:8px 18px;font-size:13px;margin:0 auto}
.tvtl-th-chart-viewport{overflow:hidden;position:relative;min-height:120px}.tvtl-th-chart-shell{transform-origin:top left;will-change:transform}
.tvtl-th-chart-viewport.is-expanded{position:fixed;inset:18px;z-index:999999;background:#fff;border:2px solid #087d2f;overflow:auto;padding:18px;min-height:0;height:auto!important;box-shadow:0 12px 40px rgba(0,0,0,.28)}
.tvtl-th-chart-viewport.is-expanded .tvtl-th-chart-shell{transform:none!important;margin:0 auto!important}
body.tvtl-th-modal-open{overflow:hidden}
.tvtl-th-reading{margin-top:16px;padding:16px 18px;background:#fbfdfb;border:1px solid #dce8df;border-left:5px solid #087d2f;border-radius:6px}
.tvtl-th-reading h4{margin:16px 0 7px;font-size:17px}.tvtl-th-reading h4:first-child{margin-top:0}.tvtl-th-reading p{line-height:1.7;margin:7px 0}.tvtl-th-reading .rule-list{margin:8px 0 10px 20px}.tvtl-th-reading .rule-list li{margin:8px 0;line-height:1.6}.tvtl-th-reading .summary{padding:11px 13px;background:#eef8f1;border-radius:5px}
.tvtl-th-tech{margin-top:12px;border:1px dashed #bbb;padding:10px 12px;background:#fafafa}.tvtl-th-tech summary{cursor:pointer;font-weight:700;color:#555}.tvtl-th-tech[open] summary{margin-bottom:10px}
@media(max-width:800px){.tvtl-th-representative{padding:10px}.tvtl-th-chart-viewport.is-expanded{inset:6px;padding:8px}.tvtl-th-reading{padding:13px}.tvtl-th-reading h4{font-size:16px}}

/* v0.7: giữ Thiên Bàn đúng vị trí + cảnh báo trọng tâm */
.tvtl-th-chart-shell .tvtl-center{min-height:0!important;overflow:hidden!important;padding:24px 30px!important}
.tvtl-th-chart-shell .tvtl-center .watermark{position:absolute!important;inset:50% auto auto 50%!important;transform:translate(-50%,-50%)!important;margin:0!important}
.tvtl-th-chart-shell .tvtl-center .tvtl-seal{position:absolute!important;right:18px!important;bottom:18px!important;top:auto!important;margin:0!important}
.tvtl-th-chart-shell .tvtl-center .brand,.tvtl-th-chart-shell .tvtl-center .slogan,.tvtl-th-chart-shell .tvtl-center .contact,.tvtl-th-chart-shell .tvtl-center .social,.tvtl-th-chart-shell .tvtl-center h3,.tvtl-th-chart-shell .tvtl-center dl{position:relative!important;top:auto!important;transform:none!important}
.tvtl-th-critical{margin:0 0 16px;padding:14px 16px;border:2px solid #b42318;background:#fff1f0;border-radius:6px;color:#7a271a}
.tvtl-th-critical strong{display:block;font-size:17px;margin-bottom:6px}
.tvtl-th-critical p{margin:0!important;line-height:1.65}


/* v0.8: tổng quan năm + phân nhóm lời luận */
.tvtl-th-annual-summary{margin:20px 0 26px;padding:16px 18px;border:1px solid #cfe2d5;border-left:5px solid #087d2f;background:#f5fbf7;border-radius:6px}
.tvtl-th-annual-summary h3{margin:0 0 8px;text-align:center;font-size:20px}.tvtl-th-annual-summary p{margin:0;line-height:1.7}
.tvtl-th-topics{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:10px}.tvtl-th-topics section{padding:10px 12px;background:#fff;border:1px solid #e5e5e5;border-radius:5px}.tvtl-th-topics h4{margin-top:0!important}
@media(max-width:800px){.tvtl-th-topics{grid-template-columns:1fr}}

/* v0.10 - nhóm luận hạn chuyên đề */
.tvtl-th-limit-groups{margin:18px 0;padding:14px 16px;border:1px solid #d8d8d8;border-radius:10px;background:#fafafa}
.tvtl-th-limit-groups>h4{margin-top:0}
.tvtl-th-limit-group{margin:12px 0;padding:10px 12px;border-left:4px solid #777;background:#fff}
.tvtl-th-limit-group h5{margin:0 0 6px;font-size:1rem}