:root{--bg:#f6efe5;--panel:#fffaf4;--card:#ffffffd1;--accent:#3d806a;--accent-soft:#3d806a1f;--danger:#c05a43;--text:#5f564b;--text-strong:#2e2a24;--muted:#7f7469;--border:#6e5c4629;--shadow-soft:0 18px 45px #543e2514;color:var(--text);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:radial-gradient(circle at top,#f5c26538,#0000 35%),linear-gradient(#fbf5ec 0%,#f3e7d5 100%);font-family:Avenir Next,Avenir,Montserrat,Segoe UI,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;min-height:100vh;margin:0}body:before,body:after{content:"";pointer-events:none;z-index:-1;filter:blur(10px);border-radius:999px;position:fixed;inset:auto}body:before{background:#3d806a1f;width:240px;height:240px;top:5%;right:8%}body:after{background:#ea5f4a17;width:280px;height:280px;bottom:4%;left:5%}a{color:inherit}button,input,select,textarea{font:inherit}#root{min-height:100vh}h1,h2,h3,h4{color:var(--text-strong);margin:0;font-family:Avenir Next,Avenir,Montserrat,Segoe UI,sans-serif;line-height:1.05}h1{letter-spacing:-.05em;margin-bottom:14px;font-size:clamp(2.5rem,5vw,4.5rem)}h2{letter-spacing:-.04em;font-size:clamp(2rem,4vw,3rem)}h3{margin-bottom:8px;font-size:1.35rem}p{margin:0}.app-shell{padding:40px 32px 64px}.hero-panel{grid-template-columns:minmax(0,1.5fr) minmax(320px,.9fr);align-items:stretch;gap:24px;margin-bottom:28px;display:grid}.hero-copy,.summary-card,.controls-panel,.sessions-panel,.session-card{border:1px solid var(--border);background:var(--panel);box-shadow:var(--shadow-soft);border-radius:28px}.hero-copy{background:radial-gradient(circle at top right, #f5c2654d, transparent 34%), linear-gradient(135deg, #ea5f4a14, #3d806a14), var(--panel);padding:36px}.eyebrow{letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:12px;font-size:.84rem;font-weight:700}.step-kicker{letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:8px;font-size:.78rem;font-weight:700}.hero-text{max-width:35rem;margin-bottom:24px;font-size:1.05rem;line-height:1.5}.cta-link{white-space:nowrap;background:var(--accent);color:#fff;border-radius:999px;justify-content:center;align-items:center;padding:10px 16px;font-weight:700;text-decoration:none;display:inline-flex}.summary-cta{border-top:1px solid var(--border);justify-content:space-between;align-items:center;gap:16px;margin-top:22px;padding-top:18px;display:flex}.summary-cta-copy{max-width:24rem}.summary-cta-copy p{max-width:24rem;color:var(--text-strong)}.guide-strip{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:18px;display:grid}.guide-step{border:1px solid var(--border);background:#ffffff8c;border-radius:18px;align-items:start;gap:10px;padding:14px 16px;display:flex}.guide-step strong{color:var(--text-strong);margin-bottom:4px;display:block}.guide-step p{color:var(--muted);font-size:.93rem}.step-badge{background:var(--accent);color:#fff;border-radius:999px;flex:none;place-items:center;width:26px;height:26px;font-size:.85rem;font-weight:700;display:inline-grid}.summary-card{background:radial-gradient(circle at top left, #3d806a2e, transparent 30%), linear-gradient(180deg, #fff9, #fff0), var(--panel);flex-direction:column;justify-content:center;padding:32px;display:flex}.controls-panel{background:#f2f7f3}.summary-label,.summary-grid span,.group-label,.session-prices span,.session-row label span{letter-spacing:.04em;text-transform:uppercase;color:var(--muted);font-size:.82rem;font-weight:700;display:block}.summary-subtext{margin-top:8px}.summary-grid{border-top:1px solid var(--border);grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:24px;padding-top:20px;display:grid}.summary-grid strong,.session-prices strong{color:var(--text-strong);margin-top:6px;display:block}.session-price-highlight span{opacity:0;height:0;margin:0;overflow:hidden}.session-price-highlight strong{letter-spacing:-.03em;margin-top:14px;font-size:1.45rem;line-height:1}.planner-layout{grid-template-columns:1fr;align-items:stretch;gap:24px;display:grid}.controls-panel,.sessions-panel{padding:28px;overflow:hidden}.controls-panel{grid-template-columns:minmax(280px,.75fr) minmax(420px,1.25fr);align-items:start;gap:16px 28px;display:grid}.panel-header{margin-bottom:24px}.controls-panel .panel-header,.controls-panel .control-group{margin-bottom:0}.controls-panel .panel-header{border-bottom:1px solid var(--border);grid-column:1/-1;padding-top:4px;padding-bottom:18px}.controls-panel .control-group:last-child{border-left:1px solid var(--border);padding-left:28px}.panel-header-row{justify-content:space-between;align-items:start;gap:16px;display:flex}.control-group+.control-group,.toggle-row+.control-group{margin-top:24px}.control-group label,.session-form label{color:var(--text-strong);font-weight:700;display:block}.help-text,.panel-header p{color:var(--muted)}.slider-row{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;margin:12px 0 8px;display:grid}.slider-row input[type=range]{width:100%;accent-color:var(--accent)}.calculation-card{border:1px solid var(--border);background:#ffffff85;border-radius:20px;padding:18px 20px}.calculation-card .help-text+.help-text{margin-top:10px}.micro-tip{color:var(--accent);margin-top:8px;font-size:.92rem}.posture-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:10px;display:grid}.posture-card{border:1px solid var(--border);background:var(--card);text-align:left;color:var(--text);border-radius:18px;padding:14px 16px;transition:transform .18s,border-color .18s,box-shadow .18s}.posture-card:hover,.add-button:hover,.remove-button:hover{transform:translateY(-1px)}.posture-card strong{color:var(--text-strong);margin-bottom:4px;display:block}.posture-card span{line-height:1.45;display:block}.posture-card-active{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 16px 32px #3d806a24}.add-button,.remove-button{background:var(--accent);color:#fff;font:inherit;cursor:pointer;border:none;border-radius:999px;font-weight:700;transition:transform .18s,opacity .18s}.add-button{color:var(--accent);border:1px solid var(--accent);background:#fff;padding:12px 18px}.remove-button{width:36px;height:36px;color:var(--danger);box-shadow:none;background:0 0;border:none;padding:0;font-size:1.45rem;line-height:1}.remove-button:disabled{cursor:not-allowed;opacity:.45}.sessions-list{gap:14px;display:grid}.session-guidance{color:var(--muted);margin-bottom:18px}.session-card{padding:18px 20px;overflow:hidden}.session-row{grid-template-columns:minmax(180px,1.15fr) minmax(120px,140px) minmax(120px,140px) minmax(150px,180px) minmax(220px,1fr) auto;align-items:start;gap:12px;display:grid}.session-row input,.session-row select{box-sizing:border-box;border:1px solid var(--border);width:100%;color:var(--text-strong);font:inherit;background:#fff;border-radius:12px;margin-top:6px;padding:10px 12px}.session-row input:focus,.session-row select:focus{border-color:var(--accent);outline:2px solid #3d806a33}.fill-select{color:var(--text-strong)!important;background:#fff!important}.fill-select-steady{background:#fff!important}.fill-select-slow{box-shadow:inset 0 0 0 1px #d59d722e;background:#d59d721f!important;border-color:#d59d72!important}.fill-select-quick{box-shadow:inset 0 0 0 1px #70b18547;background:#70b1852e!important;border-color:#70b185!important}.session-row label{font-size:.95rem}.field-help{color:var(--muted);margin-top:6px;font-size:.82rem;display:block}.session-output{border:1px solid var(--border);background:var(--card);border-radius:18px;min-width:0;padding:16px}.session-prices{grid-template-columns:minmax(120px,1fr) minmax(136px,148px);align-items:stretch;gap:12px;min-width:0;display:grid}.session-prices>div{min-width:0}.session-price-highlight{border:1px solid var(--accent);background:radial-gradient(circle at 100% 0,#3d806a1f,#0000 34%),#3d806a24;border-radius:18px;flex-direction:column;justify-content:center;min-height:96px;padding:16px 16px 14px;display:flex;position:relative;box-shadow:0 10px 24px #3d806a1f}.session-price-highlight:before{content:"Recommended";background:var(--accent);color:#fff;letter-spacing:.08em;text-transform:uppercase;border-radius:999px;padding:4px 10px;font-size:.72rem;font-weight:700;position:absolute;top:-10px;left:14px}@media (width<=1024px){.app-shell{padding:24px 16px 40px}.hero-panel,.planner-layout,.controls-panel{grid-template-columns:1fr}.controls-panel .panel-header{border-bottom:none;padding-bottom:0}.controls-panel .control-group:last-child{border-left:none;padding-left:0}.guide-strip{grid-template-columns:1fr}.controls-panel,.sessions-panel,.hero-copy,.summary-card{padding:22px}.panel-header-row,.panel-header-row{flex-direction:column;align-items:stretch}.posture-grid{grid-template-columns:1fr}.summary-cta{flex-direction:column;align-items:stretch}.session-row{grid-template-columns:repeat(2,minmax(0,1fr))}.session-output,.remove-button{grid-column:1/-1}}@media (width<=1280px){.session-row{grid-template-columns:repeat(4,minmax(0,1fr))}.session-output,.remove-button{grid-column:span 2}}@media (width<=640px){.summary-grid,.session-row,.session-prices{grid-template-columns:1fr}}