#drrifan-ekg-app{--blue:#0b4f8a;--blue2:#07395f;--blue3:#eaf4fd;--yellow:#f4c542;--ink:#10243a;--muted:#5c6f82;--card:#fff;--line:#dbe6ef;--green:#1e7a43;max-width:1180px;margin:24px auto 60px;padding:0 14px;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);line-height:1.55}
#drrifan-ekg-app,#drrifan-ekg-app *{box-sizing:border-box}
#drrifan-ekg-app button,#drrifan-ekg-app input{font:inherit}
#drrifan-ekg-app button{line-height:1.25}
#drrifan-ekg-app .ekg-hero{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center;padding:36px;border-radius:26px;background:linear-gradient(135deg,#f4f9ff,#fff8dd);border:1px solid #e2ebf3;box-shadow:0 18px 40px rgba(19,62,98,.08)}
#drrifan-ekg-app .ekg-kicker,#drrifan-ekg-app .ekg-section-tag{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.11em;text-transform:uppercase;color:var(--blue)}
#drrifan-ekg-app .ekg-hero h1{font-size:clamp(32px,5vw,56px);line-height:1.02;margin:10px 0 16px;letter-spacing:-.035em;color:var(--ink)}
#drrifan-ekg-app .ekg-hero p{font-size:17px;color:var(--muted);max-width:730px;margin:0}
#drrifan-ekg-app .ekg-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
#drrifan-ekg-app .ekg-btn{appearance:none;border:0;border-radius:12px;padding:13px 18px;font-weight:800;cursor:pointer;text-decoration:none;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}
#drrifan-ekg-app .ekg-btn:hover{transform:translateY(-1px)}
#drrifan-ekg-app .ekg-btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(11,79,138,.18)}
#drrifan-ekg-app .ekg-btn-secondary{background:#fff;color:var(--blue);border:1px solid #bdd0e0}
#drrifan-ekg-app .ekg-mini-monitor,#drrifan-ekg-app .ekg-monitor-shell{background:#06141c;border-radius:20px;padding:14px;color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
#drrifan-ekg-app .ekg-monitor-top,#drrifan-ekg-app .ekg-monitor-header{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:#a9bcc8;margin:0 4px 10px}
#drrifan-ekg-app .ekg-monitor-stats{display:flex;align-items:end;gap:8px;padding:6px 4px 0}
#drrifan-ekg-app .ekg-monitor-stats strong{font-size:34px;color:#6bf178;line-height:1}
#drrifan-ekg-app .ekg-monitor-stats span{font-size:12px;color:#9db2bf}
#drrifan-ekg-app .ekg-monitor-stats em{margin-left:auto;font-style:normal;color:#d6e4ec;font-size:13px}
#drrifan-ekg-app .ekg-nav-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:22px 0 34px}
#drrifan-ekg-app .ekg-nav-grid button{appearance:none;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:18px;text-align:left;padding:17px;cursor:pointer;transition:.18s ease;box-shadow:0 8px 24px rgba(18,62,96,.05)}
#drrifan-ekg-app .ekg-nav-grid button:hover{transform:translateY(-2px);border-color:#94bbd7}
#drrifan-ekg-app .ekg-nav-grid span{display:block;font-size:12px;font-weight:900;color:#7d9ab0}
#drrifan-ekg-app .ekg-nav-grid strong{display:block;font-size:17px;margin:4px 0;color:var(--ink)}
#drrifan-ekg-app .ekg-nav-grid small{display:block;color:var(--muted)}
#drrifan-ekg-app .ekg-section{scroll-margin-top:90px;margin-top:54px}
#drrifan-ekg-app .ekg-section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}
#drrifan-ekg-app .ekg-section-head h2{font-size:32px;line-height:1.1;margin:6px 0 0;color:var(--ink)}
#drrifan-ekg-app .ekg-section-head p{color:var(--muted);margin:7px 0 0}
#drrifan-ekg-app .ekg-standard-pill,#drrifan-ekg-app .ekg-score-pill{padding:9px 12px;border-radius:999px;background:#edf6ff;color:var(--blue);font-weight:800;font-size:13px;white-space:nowrap}
#drrifan-ekg-app .ekg-score-pill strong{font-size:17px}
#drrifan-ekg-app .ekg-basics-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
#drrifan-ekg-app .ekg-card{background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 10px 28px rgba(16,60,94,.05)}
#drrifan-ekg-app .ekg-card h3{margin:0 0 8px;font-size:20px;color:var(--ink)}
#drrifan-ekg-app .ekg-card p{color:var(--muted)}
#drrifan-ekg-app .ekg-wave-card{grid-column:1/-1}
#drrifan-ekg-app .ekg-card-headline{display:flex;align-items:flex-start;justify-content:space-between;gap:15px}
#drrifan-ekg-app .ekg-card-headline p{margin:3px 0 10px}
#drrifan-ekg-app .ekg-badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#fff5cf;color:#715600;font-size:12px;font-weight:800;white-space:nowrap}
#drrifan-ekg-app .ekg-grid-demo{height:150px;border-radius:12px;position:relative;overflow:hidden;background-color:#fffafb;background-image:linear-gradient(rgba(236,90,90,.17) 1px,transparent 1px),linear-gradient(90deg,rgba(236,90,90,.17) 1px,transparent 1px),linear-gradient(rgba(205,40,40,.34) 1px,transparent 1px),linear-gradient(90deg,rgba(205,40,40,.34) 1px,transparent 1px);background-size:8px 8px,8px 8px,40px 40px,40px 40px}
#drrifan-ekg-app .ekg-reading-flow{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:12px 0 0}
#drrifan-ekg-app .ekg-reading-flow li{padding:7px 10px;background:#f3f7fb;border-radius:999px;font-size:13px;font-weight:700;color:var(--ink)}
#drrifan-ekg-app .ekg-tip{margin-top:16px;padding:12px;border-left:4px solid var(--yellow);background:#fffaf0;border-radius:8px;color:#5e5130;font-size:13px}
#drrifan-ekg-app .ekg-wave-legend{display:flex;justify-content:space-around;color:var(--blue);font-weight:800;font-size:13px;margin-top:6px}
#drrifan-ekg-app .ekg-rate-layout,#drrifan-ekg-app .ekg-axis-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px}
#drrifan-ekg-app .ekg-card label{display:block;font-weight:800;margin-bottom:8px;color:var(--ink)}
#drrifan-ekg-app .ekg-card input[type=number]{width:100%;padding:12px 14px;border:1px solid #cbd8e3;border-radius:12px;font-size:18px;margin-bottom:12px;background:#fff;color:var(--ink)}
#drrifan-ekg-app .ekg-result-box{margin-top:14px;padding:16px;border-radius:14px;background:#eef8ff;display:flex;align-items:end;gap:12px}
#drrifan-ekg-app .ekg-result-box strong{font-size:30px;color:var(--blue)}
#drrifan-ekg-app .ekg-result-box span{color:var(--muted);font-size:13px}
#drrifan-ekg-app .ekg-formula-list{display:grid;gap:10px}
#drrifan-ekg-app .ekg-formula-list>div{display:flex;justify-content:space-between;gap:10px;padding:12px;border:1px solid var(--line);border-radius:12px}
#drrifan-ekg-app .ekg-formula-list code{background:#f5f7f9;color:#274258;padding:3px 7px;border-radius:6px}
#drrifan-ekg-app .ekg-sim-toolbar{display:grid;grid-template-columns:1fr 230px;gap:18px;align-items:start;margin-bottom:14px}
#drrifan-ekg-app .ekg-rhythm-groups{display:grid;gap:12px}
#drrifan-ekg-app .ekg-rhythm-group>span{display:block;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.08em;color:#7990a2;margin-bottom:7px}
#drrifan-ekg-app .ekg-rhythm-buttons{display:flex;flex-wrap:wrap;gap:8px}
#drrifan-ekg-app .ekg-rhythm-buttons button,#drrifan-ekg-app .ekg-options button,#drrifan-ekg-app .ekg-segmented button{appearance:none;border:1px solid #c8d7e2;background:#fff;color:var(--ink);border-radius:999px;padding:9px 13px;font-weight:700;cursor:pointer;transition:.15s ease}
#drrifan-ekg-app .ekg-rhythm-buttons button:hover,#drrifan-ekg-app .ekg-options button:hover,#drrifan-ekg-app .ekg-segmented button:hover{border-color:var(--blue);background:#f6fbff}
#drrifan-ekg-app .ekg-rhythm-buttons button.active,#drrifan-ekg-app .ekg-segmented button.active{background:var(--blue);color:#fff;border-color:var(--blue)}
#drrifan-ekg-app .ekg-control-panel{display:grid;gap:14px;padding:15px;border:1px solid var(--line);border-radius:16px;background:#f8fbfd}
#drrifan-ekg-app .ekg-speed-control{font-size:13px;font-weight:800;color:var(--ink)}
#drrifan-ekg-app .ekg-speed-control input{width:100%;accent-color:var(--blue)}
#drrifan-ekg-app .ekg-speed-control output{display:block;color:var(--blue);margin-top:4px}
#drrifan-ekg-app .ekg-toggle{display:flex!important;align-items:center;gap:8px;font-size:13px;font-weight:700!important;margin:0!important}
#drrifan-ekg-app .ekg-toggle input{accent-color:var(--blue)}
#drrifan-ekg-app .ekg-canvas-wrap{position:relative;width:100%;overflow:hidden;border-radius:14px;background:#fffafa;border:1px solid rgba(165,82,82,.08)}
#drrifan-ekg-app .ekg-canvas-wrap.monitor{border-radius:10px}
#drrifan-ekg-app .ekg-canvas-wrap.compact{height:170px}
#drrifan-ekg-app .ekg-svg{display:block;width:100%;height:auto;min-height:170px}
#drrifan-ekg-app .ekg-monitor-shell .ekg-canvas-wrap{background:#fffafa}
#drrifan-ekg-app .ekg-monitor-footer{display:grid;grid-template-columns:160px 1fr;gap:18px;padding:12px 4px 4px}
#drrifan-ekg-app .ekg-monitor-footer>div{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
#drrifan-ekg-app .ekg-monitor-footer span{font-size:12px;color:#98aebd}
#drrifan-ekg-app .ekg-monitor-footer strong{font-size:26px;color:#6bf178}
#drrifan-ekg-app .ekg-monitor-footer>div:last-child strong{font-size:17px;color:#fff}
#drrifan-ekg-app .ekg-monitor-footer small{color:#9fb2bd}
#drrifan-ekg-app .ekg-rhythm-info{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:12px}
#drrifan-ekg-app .ekg-rhythm-info>div{padding:14px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--ink)}
#drrifan-ekg-app .ekg-rhythm-info span{display:block;color:var(--muted);font-size:12px}
#drrifan-ekg-app .ekg-rhythm-info strong{display:block;margin-top:4px;color:var(--ink)}
#drrifan-ekg-app .ekg-rhythm-info.study-hidden>div strong{filter:blur(6px);user-select:none}
#drrifan-ekg-app .ekg-sim-note{font-size:12px;color:var(--muted);margin:10px 2px 0}
#drrifan-ekg-app .ekg-axis-question{margin-bottom:20px}
#drrifan-ekg-app .ekg-axis-question>strong{display:block;margin-bottom:8px}
#drrifan-ekg-app .ekg-segmented{display:flex;gap:8px;flex-wrap:wrap}
#drrifan-ekg-app .ekg-axis-result{margin-top:8px;padding:14px;border-radius:12px;background:#eef7ff;color:#164b72;font-weight:700}
#drrifan-ekg-app .ekg-axis-map-card{display:flex;flex-direction:column;justify-content:center}
#drrifan-ekg-app .ekg-axis-map{height:280px;position:relative;border-radius:50%;max-width:280px;width:100%;margin:0 auto;background:radial-gradient(circle at center,#fff 0 10%,#f7fbff 10% 100%);border:2px solid #cddce7;overflow:hidden}
#drrifan-ekg-app .axis-v,#drrifan-ekg-app .axis-h{position:absolute;background:#9db2c1}
#drrifan-ekg-app .axis-v{width:1px;top:0;bottom:0;left:50%}
#drrifan-ekg-app .axis-h{height:1px;left:0;right:0;top:50%}
#drrifan-ekg-app .axis-q{position:absolute;width:50%;height:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:10px}
#drrifan-ekg-app .axis-q b{color:var(--blue);font-size:14px}
#drrifan-ekg-app .axis-q small{color:var(--muted);font-size:11px}
#drrifan-ekg-app .axis-q.q1{right:0;bottom:0}#drrifan-ekg-app .axis-q.q2{left:0;bottom:0}#drrifan-ekg-app .axis-q.q3{left:0;top:0}#drrifan-ekg-app .axis-q.q4{right:0;top:0}
#drrifan-ekg-app .ekg-axis-caveat{font-size:12px;text-align:center;margin:14px 0 0}
#drrifan-ekg-app .ekg-challenge-box{border:1px solid var(--line);border-radius:22px;padding:20px;background:#fff;color:var(--ink)}
#drrifan-ekg-app .ekg-case-meta{display:flex;justify-content:space-between;margin-bottom:10px;font-size:13px;color:var(--muted)}
#drrifan-ekg-app .ekg-case-text{font-size:16px;color:var(--ink);margin:15px 0}
#drrifan-ekg-app .ekg-options{display:flex;flex-wrap:wrap;gap:9px}
#drrifan-ekg-app .ekg-options button.correct-choice{background:#e8f8ec;border-color:#65aa78;color:#145b2c}
#drrifan-ekg-app .ekg-options button.wrong-choice{background:#fff0e8;border-color:#d58a68;color:#7c3319}
#drrifan-ekg-app .ekg-options button:disabled{cursor:default;opacity:.9}
#drrifan-ekg-app .ekg-feedback{margin-top:14px;padding:0;border-radius:12px}
#drrifan-ekg-app .ekg-feedback.show{padding:14px}
#drrifan-ekg-app .ekg-feedback.correct{background:#e8f8ec;color:#1d6b2d}
#drrifan-ekg-app .ekg-feedback.incorrect{background:#fff4df;color:#875a0b}
#drrifan-ekg-app .ekg-challenge-actions{display:flex;justify-content:flex-end;margin-top:14px}
#drrifan-ekg-app .ekg-disclaimer{display:flex!important;align-items:flex-start!important;gap:13px!important;width:100%!important;margin:42px 0 0!important;padding:18px 20px!important;border-radius:16px!important;background:#0b4f8a!important;background-image:linear-gradient(135deg,#0b4f8a,#07395f)!important;border:1px solid rgba(255,255,255,.18)!important;box-shadow:0 10px 24px rgba(7,57,95,.16)!important;color:#fff!important;font-size:14px!important;line-height:1.55!important;text-align:left!important;opacity:1!important;visibility:visible!important}
#drrifan-ekg-app .ekg-disclaimer *{color:#fff!important;opacity:1!important}
#drrifan-ekg-app .ekg-disclaimer-icon{display:inline-flex!important;align-items:center!important;justify-content:center!important;flex:0 0 28px!important;width:28px!important;height:28px!important;border-radius:50%!important;background:#f4c542!important;color:#183143!important;font-weight:900!important;font-style:normal!important}
#drrifan-ekg-app .ekg-disclaimer strong{font-weight:900!important}

@media(max-width:980px){#drrifan-ekg-app .ekg-nav-grid{grid-template-columns:repeat(3,1fr)}#drrifan-ekg-app .ekg-sim-toolbar{grid-template-columns:1fr}}
@media(max-width:900px){#drrifan-ekg-app .ekg-hero{grid-template-columns:1fr}#drrifan-ekg-app .ekg-basics-grid,#drrifan-ekg-app .ekg-rate-layout,#drrifan-ekg-app .ekg-axis-layout{grid-template-columns:1fr}#drrifan-ekg-app .ekg-wave-card{grid-column:auto}#drrifan-ekg-app .ekg-rhythm-info{grid-template-columns:1fr 1fr}#drrifan-ekg-app .ekg-section-head{align-items:flex-start;flex-direction:column}#drrifan-ekg-app .ekg-monitor-footer{grid-template-columns:1fr}}
@media(max-width:620px){#drrifan-ekg-app{padding:0 8px;margin-top:10px}#drrifan-ekg-app .ekg-hero{padding:22px;border-radius:18px}#drrifan-ekg-app .ekg-hero h1{font-size:35px}#drrifan-ekg-app .ekg-nav-grid{grid-template-columns:1fr 1fr}#drrifan-ekg-app .ekg-rhythm-info{grid-template-columns:1fr}#drrifan-ekg-app .ekg-section-head h2{font-size:27px}#drrifan-ekg-app .ekg-monitor-header{font-size:10px}#drrifan-ekg-app .ekg-card{padding:17px}#drrifan-ekg-app .ekg-card-headline{flex-direction:column}#drrifan-ekg-app .ekg-disclaimer{padding:16px!important}}
@media(max-width:430px){#drrifan-ekg-app .ekg-nav-grid{grid-template-columns:1fr}#drrifan-ekg-app .ekg-result-box{align-items:flex-start;flex-direction:column}}

/* v1.2 additions */
#drrifan-ekg-app .ekg-btn-ghost{background:#f4f7fa;color:#24445c;border:1px solid #d7e2ea}
#drrifan-ekg-app .ekg-btn:disabled{cursor:not-allowed;opacity:.48;transform:none}
#drrifan-ekg-app .ekg-rate-layout{grid-template-columns:1fr 1fr .9fr}
#drrifan-ekg-app .ekg-inline-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px}
#drrifan-ekg-app .ekg-result-stack{align-items:flex-start;flex-direction:column;gap:2px}
#drrifan-ekg-app .ekg-result-stack strong{font-size:22px}
#drrifan-ekg-app .ekg-rate-formulas{align-self:stretch}
#drrifan-ekg-app .ekg-nav-grid{grid-template-columns:repeat(7,minmax(0,1fr))}
#drrifan-ekg-app .ekg-nav-grid button{min-width:0}
#drrifan-ekg-app .ekg-nav-grid strong{font-size:15px}
#drrifan-ekg-app .ekg-nav-grid small{font-size:11px}
#drrifan-ekg-app .ekg-12lead-section{position:relative}
#drrifan-ekg-app .ekg-12-toolbar{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:14px}
#drrifan-ekg-app .ekg-pattern-buttons{display:flex;flex-wrap:wrap;gap:8px;flex:1}
#drrifan-ekg-app .ekg-pattern-buttons button{appearance:none;border:1px solid #c8d7e2;background:#fff;color:var(--ink);border-radius:999px;padding:9px 13px;font-weight:750;cursor:pointer;transition:.15s ease}
#drrifan-ekg-app .ekg-pattern-buttons button:hover{border-color:var(--blue);background:#f6fbff}
#drrifan-ekg-app .ekg-pattern-buttons button.active{background:var(--blue);border-color:var(--blue);color:#fff}
#drrifan-ekg-app .ekg-pattern-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
#drrifan-ekg-app .ekg-twelve-shell{border:1px solid #dfc1c1;border-radius:20px;overflow:hidden;background:#fffafa;box-shadow:0 12px 30px rgba(95,45,45,.07)}
#drrifan-ekg-app .ekg-twelve-top{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:12px 16px;background:#fff;border-bottom:1px solid #ead6d6}
#drrifan-ekg-app .ekg-twelve-top strong{font-size:16px;color:var(--ink)}
#drrifan-ekg-app .ekg-twelve-top span{font-size:12px;color:var(--muted);text-align:right}
#drrifan-ekg-app .ekg-twelve-shell{overflow-x:auto}
#drrifan-ekg-app .ekg-twelve-grid{display:grid;grid-template-columns:repeat(4,250px);width:1000px;min-width:1000px;background:#fffafa}
#drrifan-ekg-app .ekg-lead-panel{position:relative;width:250px;min-height:160px;border-right:1px solid rgba(192,89,89,.15);border-bottom:1px solid rgba(192,89,89,.15);transition:box-shadow .15s ease,background .15s ease}
#drrifan-ekg-app .ekg-lead-panel:nth-child(4n){border-right:0}
#drrifan-ekg-app .ekg-lead-panel:nth-last-child(-n+4){border-bottom:0}
#drrifan-ekg-app .ekg-lead-panel.focus-lead{box-shadow:inset 0 0 0 3px rgba(11,79,138,.42);z-index:1;background:#f7fbff}
#drrifan-ekg-app .ekg-lead-label{position:absolute;z-index:2;top:7px;left:9px;display:inline-flex;min-width:30px;align-items:center;justify-content:center;padding:2px 6px;border-radius:6px;background:rgba(255,255,255,.88);font-size:12px;font-weight:900;color:#7a2730;border:1px solid rgba(139,52,62,.12)}
#drrifan-ekg-app .ekg-lead-svg{display:block;width:250px;height:160px}
#drrifan-ekg-app .ekg-pattern-info{display:grid;grid-template-columns:.8fr 1.2fr;gap:14px;margin-top:14px}
#drrifan-ekg-app .ekg-card-label{display:inline-block;margin-bottom:7px;font-size:10px;letter-spacing:.12em;text-transform:uppercase;font-weight:900;color:#6d8aa0}
#drrifan-ekg-app .ekg-key-points ul{margin:8px 0 0;padding-left:20px;color:var(--muted)}
#drrifan-ekg-app .ekg-key-points li+li{margin-top:6px}
#drrifan-ekg-app .ekg-systematic-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:start}
#drrifan-ekg-app .ekg-systematic-case{overflow:hidden}
#drrifan-ekg-app .ekg-systematic-mini-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #ead2d2;border-radius:14px;overflow:hidden;background:#fffafa;margin-top:14px}
#drrifan-ekg-app .ekg-mini-lead{position:relative;min-width:0;border-right:1px solid rgba(192,89,89,.14);border-bottom:1px solid rgba(192,89,89,.14)}
#drrifan-ekg-app .ekg-mini-lead:nth-child(4n){border-right:0}
#drrifan-ekg-app .ekg-mini-lead:nth-last-child(-n+4){border-bottom:0}
#drrifan-ekg-app .ekg-mini-lead span{position:absolute;z-index:2;left:5px;top:4px;font-size:9px;font-weight:900;color:#7a2730;background:rgba(255,255,255,.86);padding:1px 4px;border-radius:4px}
#drrifan-ekg-app .ekg-mini-lead svg{display:block;width:100%;height:76px}
#drrifan-ekg-app .ekg-systematic-progress{height:7px;background:#e7eef4;border-radius:999px;overflow:hidden;margin-top:16px}
#drrifan-ekg-app .ekg-systematic-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),#2b8fd1);transition:width .25s ease}
#drrifan-ekg-app .ekg-systematic-question{position:sticky;top:18px}
#drrifan-ekg-app .ekg-options-stack{display:grid;grid-template-columns:1fr;gap:9px;margin-top:14px}
#drrifan-ekg-app .ekg-options-stack button{width:100%;border-radius:12px;text-align:left;padding:12px 14px}
#drrifan-ekg-app .ekg-systematic-actions{display:flex;gap:9px;justify-content:space-between;flex-wrap:wrap;margin-top:16px}

@media(max-width:1120px){#drrifan-ekg-app .ekg-nav-grid{grid-template-columns:repeat(4,1fr)}#drrifan-ekg-app .ekg-rate-layout{grid-template-columns:1fr 1fr}#drrifan-ekg-app .ekg-rate-formulas{grid-column:1/-1}}
@media(max-width:900px){#drrifan-ekg-app .ekg-12-toolbar{flex-direction:column}#drrifan-ekg-app .ekg-pattern-actions{justify-content:flex-start}#drrifan-ekg-app .ekg-pattern-info,#drrifan-ekg-app .ekg-systematic-layout{grid-template-columns:1fr}#drrifan-ekg-app .ekg-systematic-question{position:static}#drrifan-ekg-app .ekg-rate-layout{grid-template-columns:1fr}#drrifan-ekg-app .ekg-rate-formulas{grid-column:auto}}
@media(max-width:620px){#drrifan-ekg-app .ekg-inline-fields{grid-template-columns:1fr}#drrifan-ekg-app .ekg-pattern-buttons button{padding:8px 10px;font-size:12px}#drrifan-ekg-app .ekg-pattern-actions{width:100%}#drrifan-ekg-app .ekg-pattern-actions .ekg-btn{flex:1;padding:11px 12px}#drrifan-ekg-app .ekg-twelve-top{align-items:flex-start;flex-direction:column}#drrifan-ekg-app .ekg-twelve-top span{text-align:left}#drrifan-ekg-app .ekg-systematic-mini-grid{grid-template-columns:repeat(2,1fr)}#drrifan-ekg-app .ekg-mini-lead:nth-child(4n){border-right:1px solid rgba(192,89,89,.14)}#drrifan-ekg-app .ekg-mini-lead:nth-child(2n){border-right:0}#drrifan-ekg-app .ekg-mini-lead:nth-last-child(-n+4){border-bottom:1px solid rgba(192,89,89,.14)}#drrifan-ekg-app .ekg-mini-lead:nth-last-child(-n+2){border-bottom:0}}
@media(max-width:900px){#drrifan-ekg-app .ekg-nav-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:620px){#drrifan-ekg-app .ekg-nav-grid{grid-template-columns:1fr 1fr}}
@media(max-width:430px){#drrifan-ekg-app .ekg-nav-grid{grid-template-columns:1fr}}

/* v1.3 12-lead paper rebuild */
#drrifan-ekg-app .ekg-twelve-shell{background:#fff9f9}
#drrifan-ekg-app .ekg-twelve-grid{margin:0 auto}
#drrifan-ekg-app .ekg-lead-panel{background:#fffafa;overflow:hidden}
#drrifan-ekg-app .ekg-lead-panel.focus-lead{background:#f8fbff;box-shadow:inset 0 0 0 2px rgba(11,79,138,.40)}
#drrifan-ekg-app .ekg-rhythm-strip-head{width:1000px;min-width:1000px;margin:0 auto;display:flex;justify-content:space-between;gap:16px;padding:9px 12px;background:#fff;border-top:1px solid #ead6d6;border-bottom:1px solid #ead6d6;color:var(--ink)}
#drrifan-ekg-app .ekg-rhythm-strip-head strong{font-size:13px}
#drrifan-ekg-app .ekg-rhythm-strip-head span{font-size:11px;color:var(--muted)}
#drrifan-ekg-app .ekg-rhythm-strip-wrap{width:1000px;min-width:1000px;margin:0 auto;background:#fffafa}
#drrifan-ekg-app .ekg-rhythm-strip-svg{display:block;width:1000px;height:160px}
#drrifan-ekg-app .ekg-twelve-shell:before{content:"Skala tampilan: 1 mm grid • 25 mm/s • 10 mm/mV";display:block;width:1000px;min-width:1000px;margin:0 auto;padding:6px 12px;background:#fff7e3;color:#67510a;font-size:11px;font-weight:800;border-bottom:1px solid #ead6d6}
@media(max-width:1040px){#drrifan-ekg-app .ekg-twelve-grid,#drrifan-ekg-app .ekg-rhythm-strip-head,#drrifan-ekg-app .ekg-rhythm-strip-wrap,#drrifan-ekg-app .ekg-twelve-shell:before{margin-left:0;margin-right:0}}

/* v1.3.2 anatomy cycle rebuild */
#drrifan-ekg-app .ekg-anatomy-card{overflow:hidden}
#drrifan-ekg-app .ekg-anatomy-stage{margin-top:14px;border:1px solid #ead6d6;border-radius:16px;background:#fffafa;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch}
#drrifan-ekg-app .ekg-anatomy-canvas{border:0;border-radius:0;width:820px;min-width:820px;margin:0 auto;overflow:visible;background:#fffafa}
#drrifan-ekg-app .ekg-anatomy-canvas .ekg-svg{display:block;width:820px!important;min-width:820px!important;height:360px!important;max-width:none!important}
#drrifan-ekg-app .ekg-anatomy-text{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif!important;paint-order:stroke;stroke:#fff;stroke-width:1.4px;stroke-linejoin:round;letter-spacing:0!important;text-transform:none!important}
#drrifan-ekg-app .ekg-anatomy-callout text{font-size:14px!important}
#drrifan-ekg-app .ekg-anatomy-key{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:16px}
#drrifan-ekg-app .ekg-anatomy-group{border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}
#drrifan-ekg-app .ekg-anatomy-group-title{padding:11px 12px;border-bottom:1px solid var(--line);background:#f8fbfd}
#drrifan-ekg-app .ekg-anatomy-group-title span{display:block;font-size:13px;font-weight:900;color:var(--ink);text-transform:uppercase;letter-spacing:.05em}
#drrifan-ekg-app .ekg-anatomy-group-title small{display:block;margin-top:2px;color:var(--muted);font-size:11px;line-height:1.35}
#drrifan-ekg-app .ekg-anatomy-group.is-wave .ekg-anatomy-group-title{border-top:4px solid #1976b9}
#drrifan-ekg-app .ekg-anatomy-group.is-complex .ekg-anatomy-group-title{border-top:4px solid #b23a48}
#drrifan-ekg-app .ekg-anatomy-group.is-segment .ekg-anatomy-group-title{border-top:4px solid #8b6b00}
#drrifan-ekg-app .ekg-anatomy-group.is-interval .ekg-anatomy-group-title{border-top:4px solid #5f4aa8}
#drrifan-ekg-app .ekg-anatomy-items{display:grid;gap:0}
#drrifan-ekg-app .ekg-anatomy-items>div{display:grid;grid-template-columns:auto 1fr;gap:9px;align-items:start;padding:10px 12px;border-top:1px dashed #e4ebf1}
#drrifan-ekg-app .ekg-anatomy-items>div:first-child{border-top:0}
#drrifan-ekg-app .ekg-anatomy-items b{font-size:12px;line-height:1.4;color:var(--blue);white-space:nowrap}
#drrifan-ekg-app .ekg-anatomy-items span{font-size:12px;line-height:1.45;color:var(--muted)}
#drrifan-ekg-app .ekg-anatomy-note{margin-top:13px;padding:12px 14px;border-radius:12px;background:#f6f9fc;border-left:4px solid var(--blue);font-size:13px;line-height:1.55;color:#425d70}
#drrifan-ekg-app .ekg-anatomy-note strong{color:var(--ink)}
@media(max-width:980px){#drrifan-ekg-app .ekg-anatomy-key{grid-template-columns:1fr 1fr}#drrifan-ekg-app .ekg-anatomy-canvas{margin-left:0;margin-right:0}}
@media(max-width:620px){#drrifan-ekg-app .ekg-anatomy-key{grid-template-columns:1fr}#drrifan-ekg-app .ekg-anatomy-stage:after{content:"Geser diagram ke samping bila diperlukan";display:block;position:sticky;left:0;width:max-content;margin:0 10px 10px;padding:5px 9px;border-radius:999px;background:rgba(255,255,255,.94);border:1px solid #e2e9ef;color:#607486;font-size:10px;font-weight:700}}