/* s15 — Thí điểm 90 ngày */
.s15 h2 { font-size: 60px; }
.s15-flag { position: absolute; left: 24px; top: 18px; }
.s15-flag .tag { font-size: 13px; padding: 6px 10px; }

/* Gantt */
.s15-gantt { position: absolute; left: 0; top: 136px; width: 1090px; padding: 16px 24px 14px; border-radius: 20px; }
.s15-ph { position: relative; height: 46px; }
.s15-phh { position: absolute; top: 0; padding-left: 10px; border-left: 1px solid var(--line2); display: flex; flex-direction: column; gap: 4px; }
.s15-phh b { font: 700 17px/1 var(--mono); color: var(--ink); letter-spacing: .04em; }
.s15-phh small { font-size: 14px; color: var(--ink3); line-height: 1.1; }
.s15-body { position: relative; height: 420px; }
.s15-vl { position: absolute; top: -46px; bottom: -6px; width: 0; border-left: 1px dashed var(--line2); }
.s15-row { position: absolute; left: 0; right: 0; height: 35px; transition: opacity .5s var(--ease-out); display: flex; align-items: center; }
.s15-row + .s15-row::before { content: ''; position: absolute; left: 18px; right: 0; top: 0; border-top: 1px solid rgba(170, 230, 200, .06); }
.s15-row.g-law:nth-child(4)::before, .s15-row.g-data:nth-child(9)::before, .s15-row.g-ops:nth-child(12)::before, .s15-row.g-eval::before { border-top-color: rgba(170, 230, 200, .18); }
.s15-gd { width: 6px; height: 22px; border-radius: 3px; flex: none; margin-right: 12px; opacity: .85; }
.s15-lb { width: 482px; display: flex; flex-direction: column; line-height: 1.02; gap: 1px; }
.s15-lb b { font-size: 17px; font-weight: 600; color: var(--ink); white-space: nowrap; }
.s15-lb small { font: 400 12.5px/1.1 var(--mono); overflow: hidden; text-overflow: ellipsis; color: var(--ink3); white-space: nowrap; }
.s15-bar { position: absolute; top: 7px; height: 21px; border-radius: 6px; background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .08); overflow: hidden; }
.s15-bar i { position: absolute; inset: 0; transform-origin: 0 50%; transform: scaleX(0); background: linear-gradient(90deg, color-mix(in srgb, var(--c) 55%, transparent), var(--c)); border-radius: 5px; }
.s15-bar.opt { border-style: dashed; border-color: color-mix(in srgb, var(--c) 50%, transparent); }
.s15-bar.opt i { background: repeating-linear-gradient(135deg, color-mix(in srgb, var(--c) 75%, transparent) 0 7px, color-mix(in srgb, var(--c) 30%, transparent) 7px 14px); }
.s15-bar.live { box-shadow: 0 0 18px color-mix(in srgb, var(--c) 45%, transparent); }
.s15-cursor { position: absolute; top: -8px; bottom: -8px; width: 0; border-left: 2px solid var(--ink); opacity: 0; transition: opacity .4s; z-index: 2; }
.s15-cursor.on { opacity: .9; }
.s15-cursor span { position: absolute; bottom: -24px; left: 0; transform: translateX(-50%); font: 600 13px/1 var(--mono); color: var(--ink); background: var(--bg2); border: 1px solid var(--line2); padding: 4px 7px; border-radius: 6px; white-space: nowrap; }
.s15-ms { position: relative; height: 44px; margin-top: 4px; }
.s15-m { position: absolute; top: 18px; transform: translateX(-100%); display: flex; align-items: center; gap: 8px; flex-direction: row-reverse; opacity: .35; transition: opacity .5s; }
.s15-m i { width: 14px; height: 14px; transform: translateX(7px) rotate(45deg); background: var(--ink4); border-radius: 2px; transition: background .4s, box-shadow .4s; }
.s15-m span { font-size: 15px; color: var(--ink3); white-space: nowrap; }
.s15-m.on { opacity: 1; }
.s15-m.on i { background: var(--gold); box-shadow: 0 0 14px var(--gold); }
.s15-m.on span { color: var(--ink); }
.s15-legend { display: flex; gap: 22px; font: 500 13px/1 var(--mono); color: var(--ink3); padding-left: 18px; }
.s15-legend span { display: flex; align-items: center; gap: 7px; }
.s15-legend i { width: 14px; height: 9px; border-radius: 3px; display: inline-block; }
.s15-legend i.opt { background: repeating-linear-gradient(135deg, var(--ink3) 0 3px, transparent 3px 6px); border: 1px dashed var(--ink3); }

/* KPI column */
.s15-kpi { position: absolute; left: 1124px; top: 136px; width: 556px; }
.s15-sec { font: 700 15px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink2); margin-bottom: 12px; }
.s15-sec span { letter-spacing: .02em; text-transform: none; color: var(--ink3); font-weight: 500; }
.s15-dials { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.s15-dial { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 10px 12px 12px; display: flex; flex-direction: column; align-items: center; text-align: center; }
.s15-dsvg { width: 150px; height: 88px; overflow: visible; }
.s15-arc-bg { fill: none; stroke: rgba(255, 255, 255, .08); stroke-width: 9; stroke-linecap: round; }
.s15-arc-bg.thin { stroke-width: 7; }
.s15-tk { stroke: var(--ink4); stroke-width: 1.2; } .s15-tk.maj { stroke: var(--ink3); stroke-width: 1.8; }
.s15-band { fill: none; stroke-width: 9; stroke-linecap: butt; }
.s15-band.c { stroke: var(--cyan); } .s15-band.c2 { stroke: rgba(76, 201, 240, .55); stroke-width: 7; }
.s15-mark { stroke: var(--gold); stroke-width: 3; stroke-linecap: round; }
.s15-dial[data-id="cl"] .s15-mark { stroke: var(--amber); }
.s15-mtx { fill: var(--gold); font: 700 11px var(--mono); text-anchor: middle; }
.s15-sc { fill: var(--ink4); font: 500 10px var(--mono); text-anchor: middle; }
.s15-q { fill: var(--ink2); font: 800 34px var(--font); text-anchor: middle; }
.s15-dial b { font-size: 16px; font-weight: 700; color: var(--ink); line-height: 1.15; margin-top: 2px; }
.s15-dial small { font-size: 13px; color: var(--ink3); line-height: 1.2; margin-top: 2px; }
.s15-dial p { margin: 8px 0 0; font-size: 14.5px; line-height: 1.3; color: var(--ink3); border-top: 1px solid var(--line); padding-top: 7px; }
.s15-dial p b { font-size: inherit; color: var(--ink2); font-weight: 600; }
.s15-cards { display: flex; flex-direction: column; gap: 10px; margin-top: 10px; }
.s15-kc { background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--kc); border-radius: 14px; padding: 9px 18px; display: flex; flex-direction: column; gap: 4px; }
.s15-kc.k-gold { --kc: var(--gold); } .s15-kc.k-violet { --kc: var(--violet); } .s15-kc.k-amber { --kc: var(--amber); }
.s15-kc b { font-size: 19px; font-weight: 600; color: var(--ink); }
.s15-kc span { font: 400 15.5px/1.3 var(--mono); color: var(--ink2); }
.s15-kc em { font-style: normal; font-size: 15px; color: var(--ink3); }

/* comparison + rule */
.s15-cmp { position: absolute; left: 0; top: 700px; width: 1090px; padding: 12px 24px; border-radius: 18px; }
.s15-cmp table { width: 100%; border-collapse: collapse; font-size: 17px; }
.s15-cmp th { text-align: left; font: 600 14px/1.15 var(--mono); color: var(--ink3); letter-spacing: .03em; padding: 4px 10px 8px; border-bottom: 1px solid var(--line2); vertical-align: bottom; }
.s15-cmp th:first-child { color: var(--ink2); width: 400px; }
.s15-cmp th.rs { color: var(--ink); }
.s15-cmp th small { color: var(--ink3); font-weight: 500; }
.s15-cmp td { padding: 8px 10px; color: var(--ink2); border-bottom: 1px solid rgba(170, 230, 200, .06); font-variant-numeric: tabular-nums; }
.s15-cmp td:first-child { color: var(--ink); }
.s15-cmp td.rs { color: var(--cyan); font-weight: 600; }
.s15-cmp td small { color: var(--ink3); font-weight: 400; margin-left: 4px; }
.s15-cmp td.na { color: var(--ink4); }
.s15-cmp td.m { color: var(--gold); font: 700 15px var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.s15-cmp td.m::before { content: '◇ '; }
.s15-rule { position: absolute; left: 1124px; top: 700px; width: 556px; height: 142px; border-radius: 18px; padding: 16px 22px; background: linear-gradient(120deg, rgba(242, 193, 78, .16), rgba(242, 193, 78, .04)); border: 1px solid rgba(242, 193, 78, .5); display: flex; flex-direction: column; justify-content: center; gap: 8px; }
.s15-rule b { font: italic 600 27px/1.2 var(--serif); color: var(--gold); }
.s15-rule span { font-size: 15.5px; color: var(--ink2); line-height: 1.3; }

.s15-phh { opacity: .45; transition: opacity .5s; } .s15-phh.on { opacity: 1; }
.s15-phh.on b { color: var(--gold); }

/* L4 callback band (closes the s03 question) */
.s15-l4 { position: absolute; right: 0; top: -6px; width: 900px; }
.s15-l4h { font-size: 17px; color: var(--ink2); margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.s15-l4h b { color: var(--gold); font-weight: 600; }
.s15-back { font: 600 13px/1 var(--mono); color: var(--green); border: 1px solid rgba(62, 224, 143, .4); border-radius: 6px; padding: 5px 7px; }
.s15-l4c { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.s15-l4c > div { border: 1px solid rgba(242, 193, 78, .4); background: linear-gradient(140deg, rgba(242, 193, 78, .13), rgba(12, 30, 22, .7)); border-radius: 12px; padding: 9px 14px; display: flex; flex-direction: column; gap: 3px; }
.s15-l4c b { font: italic 700 21px/1.1 var(--serif); color: var(--gold); }
.s15-l4c span { font-size: 15px; line-height: 1.22; color: var(--ink); }

/* the room's vote: first research task */
.s15-row.is-vote .s15-lb b { color: var(--gold); }
.s15-row.is-vote .s15-bar { border-color: rgba(242, 193, 78, .45); }
.s15-row.is-vote:not(.has-vote) .s15-lb b { color: var(--ink2); font-style: italic; }
.s15-row.is-vote.has-vote::after { content: ''; position: absolute; left: 10px; right: -6px; top: 1px; bottom: 1px; border-radius: 8px; box-shadow: inset 0 0 0 1px rgba(242, 193, 78, .45); background: rgba(242, 193, 78, .06); pointer-events: none; }

/* step 4: the legal vehicle */
.s15.legal .s15-row:not(.g-law) { opacity: .28; }
.s15.legal .s15-row.g-law .s15-lb small { color: var(--gold); }
.s15.legal .s15-row.g-law .s15-bar { box-shadow: 0 0 16px rgba(242, 193, 78, .45); }
.s15.legal .s15-kpi { opacity: .35; transition: opacity .5s; }
.s15-kpi { transition: opacity .7s var(--ease-out), transform .9s var(--ease-out), filter .7s var(--ease-out); }
/* one focal point per step */
.s15-gantt { transition: opacity .6s var(--ease-out); }
.s15.f-kpi .s15-gantt { opacity: .45; }
.s15.f-end .s15-gantt { opacity: .35; }
.s15.f-end .s15-kpi { opacity: .45; }

/* polish pass (19/10): no sub-14px text; the voted question (gantt row 1) must read in full */
.s15-flag .tag { font-size: 14px; padding: 6px 11px; }
.s15-lb small { font: 400 14px/1.12 var(--font); letter-spacing: 0; }
.s15-legend { font-size: 14px; }
.s15-back { font-size: 14px; padding: 5px 8px; }
.s15-dial small { font-size: 14px; }
.s15-sc { font-size: 16px; }   /* svg is drawn at 0.88× → ~14px on stage */
.s15-mtx { font-size: 16px; }
.s15-row.is-vote.has-vote::after { top: -1px; bottom: -1px; left: 6px; }
.s15-row.is-vote .s15-lb { padding-left: 4px; }
.s15-cmp th small { font-size: 14px; }
.s15-bq { position: absolute; left: 10px; right: 8px; top: 0; bottom: 0; z-index: 1; font: 600 14px/19px var(--font); color: #1a1405; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; pointer-events: none; }
.s15-bq:empty { display: none; }