:root{--card:#fff;--text:#20242b;--muted:#69717d;--yellow:#f2b705;--yellow-dark:#b87c00;--blue:#2376c9;--red:#d95757;--border:#dfe3e8;--shadow:0 16px 40px rgba(30,40,55,.09)}
*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#f8f9fb,#eef1f5);color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,select{font:inherit}.app-shell{max-width:1480px;margin:auto;padding:28px}
.hero{display:flex;justify-content:space-between;gap:24px;align-items:center;padding:28px 32px;border-radius:24px;background:#20242b;color:#fff;box-shadow:var(--shadow);margin-bottom:22px}.simple-hero{justify-content:flex-start}.hero h1{margin:4px 0 8px;font-size:clamp(2rem,3vw,3.3rem)}.hero p{margin:0;color:#d7dbe1;max-width:820px;line-height:1.5}.eyebrow{color:#ffd864;font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:.8rem}
.dashboard{display:grid;grid-template-columns:360px 1fr;gap:22px}.visual-area{display:grid;gap:22px}.card{background:var(--card);border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow)}.controls{padding:24px;align-self:start;position:sticky;top:20px}.section-title{display:flex;justify-content:space-between;align-items:center;gap:12px}h2{margin:0;font-size:1.12rem}.ghost-btn{border:1px solid var(--border);background:#fff;border-radius:10px;padding:8px 10px;color:var(--muted);cursor:pointer}.control{display:block;padding:18px 0;border-bottom:1px solid #edf0f3}.control>span{display:flex;justify-content:space-between;gap:15px;margin-bottom:9px}.control output{font-weight:800;color:var(--yellow-dark)}.control small{color:var(--muted);line-height:1.35}input[type=range]{width:100%;accent-color:var(--yellow);cursor:pointer}.select-input{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--text);margin-bottom:8px}.challenge-box{margin-top:18px;padding:16px;border-radius:14px;background:#fff8db;border:1px solid #f1d96d}.challenge-box p{margin:6px 0 0;color:#665922;line-height:1.4}
.room-card{padding:22px}.room-topbar,.chart-header{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:16px}.room-topbar span,.chart-header p{color:var(--muted);margin:4px 0 0}.temperature-badge{padding:10px 14px;border-radius:12px;background:#eef3f8;font-weight:900;font-size:1.25rem;transition:.25s}
.room-scene{position:relative;overflow:hidden;height:430px;border-radius:18px;background:linear-gradient(180deg,#e6eaee 0 32%,#dde3e8 32% 40%,#d6dadd 40%)}
.room3d{position:absolute;inset:12% 7% 6% 7%}.back-wall{position:absolute;left:6%;right:6%;top:0;bottom:25%;background:linear-gradient(180deg,#d7dbdf 0%,#bfc6cd 100%);border:2px solid rgba(110,120,130,.35);box-shadow:inset 0 0 40px rgba(0,0,0,.05)}.floor-plane{position:absolute;left:6%;right:6%;bottom:0;height:26%;background:linear-gradient(180deg,#b8bec5 0%,#9aa3ab 100%);clip-path:polygon(0 0,100% 0,92% 100%,8% 100%);box-shadow:inset 0 25px 35px rgba(255,255,255,.12)}.floor-grid{position:absolute;inset:0;opacity:.12;background:repeating-linear-gradient(90deg,rgba(60,40,25,.25) 0 2px,transparent 2px 52px),repeating-linear-gradient(0deg,rgba(60,40,25,.25) 0 2px,transparent 2px 44px);transform:perspective(700px) rotateX(58deg);transform-origin:top}
.window-reveal{position:absolute;left:11%;top:11%;width:39%;height:57%;padding:12px;background:linear-gradient(135deg,#c4c9ce,#eceff2 60%,#b7bec5)}.window{position:relative;width:100%;height:100%;background:linear-gradient(180deg,#8bc9f5,#d9efff);border:8px solid #f7f7f7;box-shadow:inset 0 0 0 3px #b4c9d7,0 10px 24px rgba(0,0,0,.12);overflow:hidden;transition:.25s}.glass{position:absolute;inset:0;background:linear-gradient(180deg,rgba(160,214,255,.38),rgba(216,240,255,.46));transition:.25s}.window.solar-glass .glass{background:linear-gradient(180deg,rgba(130,181,220,.62),rgba(194,224,242,.68))}.window.thermal-glass .glass{background:linear-gradient(180deg,rgba(173,221,255,.42),rgba(229,243,252,.56))}.mullion{position:absolute;background:#f7f7f7;box-shadow:0 0 0 1px rgba(0,0,0,.04)}.mullion.vertical{left:49%;top:0;width:4px;height:100%}.mullion.horizontal{left:0;top:48%;width:100%;height:4px}.shade{position:absolute;left:0;right:0;top:0;height:50%;z-index:2;background:repeating-linear-gradient(180deg,#5a6570 0 6px,#78838d 6px 12px);transition:.25s}.glass-glow{position:absolute;inset:0;background:linear-gradient(130deg,transparent 15%,rgba(255,255,255,.45) 50%,transparent 72%)}
.room-label{position:absolute;padding:7px 10px;background:#fff;border-radius:10px;font-weight:800;color:#555;box-shadow:0 6px 16px rgba(0,0,0,.08)}.room-label{top:12px;right:14px}.ceiling-lamp{position:absolute;left:60%;top:8%;width:52px;height:14px;border-radius:12px;background:#e9ecef;box-shadow:0 0 18px rgba(255,255,255,.25)}
.bubble{position:absolute;left:42%;top:14%;padding:10px 16px;background:#fff;border-radius:20px;font-size:.92rem;font-weight:800;box-shadow:0 6px 18px rgba(0,0,0,.10);z-index:4}.bubble:after{content:"";position:absolute;left:26px;bottom:-6px;width:14px;height:14px;background:#fff;transform:rotate(45deg)}
.plant{position:absolute;left:6.5%;bottom:8%;width:16%;height:38%;transition:.35s}.pot{position:absolute;left:24%;bottom:0;width:52%;height:24%;background:linear-gradient(180deg,#d5703b,#a84f28);border-radius:8px 8px 16px 16px}.leaf{position:absolute;background:linear-gradient(180deg,#48c16d,#239553);border-radius:60% 10% 60% 10%;transform-origin:bottom center;transition:.45s}.leaf1{left:10%;bottom:28%;width:22%;height:42%;transform:rotate(-42deg)}.leaf2{left:28%;bottom:37%;width:20%;height:54%;transform:rotate(-10deg)}.leaf3{left:44%;bottom:42%;width:20%;height:58%;transform:rotate(8deg)}.leaf4{left:60%;bottom:32%;width:22%;height:48%;transform:rotate(28deg)}.leaf5{left:70%;bottom:20%;width:18%;height:34%;transform:rotate(54deg)}
.room3d.plant-warm .leaf{background:linear-gradient(180deg,#bdb45e,#8d7e2e)}.room3d.plant-warm .leaf1{transform:rotate(-70deg)}.room3d.plant-warm .leaf2{transform:rotate(-38deg)}.room3d.plant-warm .leaf3{transform:rotate(-12deg)}.room3d.plant-warm .leaf4{transform:rotate(48deg)}.room3d.plant-warm .leaf5{transform:rotate(75deg)}
.room3d.plant-hot .leaf{background:linear-gradient(180deg,#8f6c36,#5e4621)}.room3d.plant-hot .leaf1{transform:rotate(-122deg)}.room3d.plant-hot .leaf2{transform:rotate(-95deg)}.room3d.plant-hot .leaf3{transform:rotate(-78deg)}.room3d.plant-hot .leaf4{transform:rotate(102deg)}.room3d.plant-hot .leaf5{transform:rotate(128deg)}
.scene-group{position:absolute;inset:0;display:none}.room3d.state-pleasant .pleasant-group,.room3d.state-sweat .sweat-group,.room3d.state-melt .melt-group{display:block}
.mascot{position:absolute;display:block;filter:drop-shadow(0 12px 18px rgba(0,0,0,.18));z-index:3}.mascot-pleasant{left:48%;bottom:12%;width:22%;animation:breathe 2.3s ease-in-out infinite}.mascot-sweat{left:48%;bottom:12%;width:22%;animation:hotwiggle .55s ease-in-out infinite alternate}.mascot-melt{left:48%;bottom:8%;width:22%;animation:melt 2s ease-in-out infinite alternate;transform-origin:bottom center}
.comfort-ring{position:absolute;left:50%;bottom:17%;border:3px solid rgba(87,184,115,.45);border-radius:50%;animation:ring 2s ease-out infinite}.ring1{width:20%;height:36%}.ring2{width:24%;height:43%;animation-delay:1s}.sweat-drop{position:absolute;width:12px;height:18px;background:#6fc7f5;border-radius:60% 60% 70% 70%;transform:rotate(14deg);animation:drop 1.2s linear infinite}.drop1{left:65%;top:42%}.drop2{left:69%;top:50%;animation-delay:.35s}.drop3{left:61%;top:55%;animation-delay:.7s}.melt-puddle{position:absolute;left:46%;bottom:8%;width:28%;height:10%;background:radial-gradient(ellipse,#f1d7b1 0%,#e5bc86 65%,transparent 70%);filter:blur(1px)}.melt-drip{position:absolute;width:13px;height:30px;background:#f0d5ae;border-radius:0 0 12px 12px;animation:drip 1.4s ease-in infinite}.drip1{left:53%;bottom:13%}.drip2{left:61%;bottom:11%;animation-delay:.45s}.drip3{left:68%;bottom:13%;animation-delay:.8s}
@keyframes breathe{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-4px) scale(1.02)}}@keyframes ring{0%{transform:scale(.7);opacity:.75}100%{transform:scale(1.35);opacity:0}}@keyframes hotwiggle{from{transform:translateX(-2px) rotate(-1deg)}to{transform:translateX(2px) rotate(1deg)}}@keyframes drop{0%{transform:translateY(0) rotate(14deg);opacity:0}15%{opacity:1}100%{transform:translateY(70px) rotate(14deg);opacity:0}}@keyframes melt{from{transform:scaleY(1)}to{transform:scaleY(.72) scaleX(1.12)}}@keyframes drip{0%{transform:scaleY(.25);opacity:0}30%{opacity:1}100%{transform:translateY(28px) scaleY(1.1);opacity:0}}
.timeline{display:grid;grid-template-columns:90px 1fr;gap:14px;align-items:center;margin-top:15px;font-weight:800}.chart-card{padding:22px}.legend{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:.9rem}.legend span{display:flex;align-items:center;gap:6px}.line{width:24px;height:4px;border-radius:4px;display:inline-block}.indoor{background:var(--red)}.outdoor{background:var(--blue)}.limit{background:#999}canvas{width:100%;height:auto;display:block}.results-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.results-grid-4{grid-template-columns:repeat(4,1fr)}.result-card{padding:20px}.result-card span{display:block;color:var(--muted);font-size:.92rem}.result-card strong{display:block;margin-top:8px;font-size:1.35rem}.tips-card{padding:22px}.tips-card p{margin:10px 0 0;color:#4f5864;line-height:1.55}footer{padding:24px 4px;color:#737b86;font-size:.88rem;text-align:center}
@media(max-width:900px){.dashboard{grid-template-columns:1fr}.controls{position:static}.results-grid-4{grid-template-columns:repeat(2,1fr)}}@media(max-width:720px){.app-shell{padding:14px}.hero{padding:22px;align-items:flex-start;flex-direction:column}.results-grid,.results-grid-4{grid-template-columns:1fr}.room-scene{height:340px}.room-topbar,.chart-header{align-items:flex-start;flex-direction:column}.room3d{inset:16% 5% 8%}.window-reveal{width:48%}.plant{width:22%;height:42%}.mascot-pleasant,.mascot-sweat,.mascot-melt{width:28%;left:46%}.bubble{left:35%;font-size:.82rem}}