:root{color-scheme:dark;--bg:#07110c;--panel:#0d1c14;--panel2:#12251a;--line:#244832;--text:#f4f7f2;--muted:#a8b8ad;--green:#8ee59a;--lime:#c8ff84;--gold:#e9c46a;--red:#ff8a8a;--shadow:0 22px 60px rgba(0,0,0,.35)}*{box-sizing:border-box}html{background:var(--bg)}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at 12% 0,#163422 0,transparent 34rem),linear-gradient(180deg,#07110c,#09160f 55%,#06100a);color:var(--text);min-height:100vh}button,input,a{font:inherit}.skip-link{position:absolute;left:-9999px;top:8px;z-index:50;background:#fff;color:#111;padding:.7rem 1rem;border-radius:.6rem}.skip-link:focus{left:8px}.site-bar{display:flex;justify-content:space-between;align-items:center;padding:1rem clamp(1rem,3vw,2.5rem);border-bottom:1px solid #173322;background:rgba(5,15,10,.86);backdrop-filter:blur(16px);position:sticky;top:0;z-index:20}.brand{display:flex;gap:.75rem;align-items:center;color:var(--text);text-decoration:none}.brand-mark{display:grid;place-items:center;width:2.75rem;height:2.75rem;border:1px solid #4f8e61;border-radius:.85rem;background:linear-gradient(145deg,#173d26,#0e2618);color:var(--lime);font-weight:900;letter-spacing:.06em}.brand strong,.brand small{display:block}.brand small{color:var(--muted);font-size:.73rem;margin-top:.1rem}.hub-link{color:var(--green);text-decoration:none;font-weight:800}.game-shell{width:min(1500px,100%);margin:auto;padding:clamp(1rem,3vw,2.5rem)}.hero{display:flex;justify-content:space-between;gap:2rem;align-items:flex-end;margin:1rem 0 1.2rem}.hero h1{margin:.1rem 0;font-size:clamp(2.6rem,7vw,5.6rem);line-height:.9;letter-spacing:-.055em}.lede{max-width:780px;color:#c9d5cc;font-size:clamp(1rem,2vw,1.2rem);line-height:1.6}.eyebrow,.panel-label{margin:0 0 .45rem;color:var(--lime);font-size:.76rem;font-weight:900;letter-spacing:.13em;text-transform:uppercase}.status-chip,.mini-status,.case-badge{border:1px solid var(--line);background:#0d2116;color:#c9d5cc;padding:.55rem .75rem;border-radius:999px;font-size:.78rem;font-weight:800}.status-chip.ready{color:var(--green);border-color:#397b4d}.hud{display:grid;grid-template-columns:repeat(4,1fr);gap:.75rem;margin-bottom:1rem}.hud div{background:linear-gradient(180deg,#102319,#0c1a12);border:1px solid #1c3a28;border-radius:1rem;padding:1rem 1.1rem}.hud span{display:block;color:var(--muted);font-size:.74rem;text-transform:uppercase;letter-spacing:.1em}.hud strong{display:block;margin-top:.25rem;font-size:1.35rem}.lab-grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(320px,.75fr);gap:1rem}.case-column,.control-column{display:grid;gap:1rem;align-content:start}.case-card,.evidence-card,.control-card,.rules-card,.feedback-card{background:linear-gradient(180deg,rgba(18,37,26,.96),rgba(11,25,17,.96));border:1px solid #1d3c29;border-radius:1.25rem;box-shadow:var(--shadow)}.case-card,.evidence-card,.control-card,.rules-card{padding:clamp(1rem,2vw,1.35rem)}.case-heading,.section-heading{display:flex;justify-content:space-between;gap:1rem;align-items:flex-start}.case-heading h2,.section-heading h2,.control-card h2,.rules-card h2{margin:.1rem 0 .5rem;font-size:clamp(1.35rem,2vw,2rem)}.case-summary{color:#d5ded8;line-height:1.62;font-size:1.05rem;margin:.65rem 0 1rem}.environment-strip{display:flex;flex-wrap:wrap;gap:.55rem;margin-bottom:1rem}.reading-chip{padding:.48rem .7rem;border:1px solid #2a5037;border-radius:.7rem;background:#0a1a11;color:#c6e6cc;font-size:.82rem;font-weight:750}.monitor-grid{display:grid;grid-template-columns:minmax(260px,.95fr) 1.15fr;gap:1rem;align-items:stretch}.plant-visual{position:relative;min-height:330px;overflow:hidden;border-radius:1rem;border:1px solid #28523a;background:radial-gradient(circle at 50% 20%,rgba(200,255,132,.18),transparent 22%),linear-gradient(180deg,#0d2417 0,#0a1a12 58%,#07130d 100%)}.plant-visual:before{content:"DIAGNOSTIC FEED";position:absolute;left:1rem;top:.85rem;color:#8ec39b;font:800 .68rem/1 monospace;letter-spacing:.13em}.lamp{position:absolute;left:50%;top:25px;transform:translateX(-50%);width:150px;height:18px;border-radius:6px;background:#d8f7cd;box-shadow:0 0 30px rgba(197,255,172,.35)}.lamp span{display:block;width:72%;height:5px;background:white;margin:6px auto;border-radius:9px}.beam{position:absolute;left:50%;top:43px;transform:translateX(-50%);width:240px;height:180px;background:linear-gradient(180deg,rgba(205,255,167,.16),transparent);clip-path:polygon(28% 0,72% 0,100% 100%,0 100%)}.pot{position:absolute;left:50%;bottom:28px;transform:translateX(-50%);width:145px;height:95px;background:linear-gradient(180deg,#3c2c1f,#20170f);clip-path:polygon(8% 0,92% 0,78% 100%,22% 100%);filter:drop-shadow(0 12px 8px rgba(0,0,0,.35))}.soil{position:absolute;left:10%;right:10%;top:5px;height:18px;border-radius:50%;background:#493623}.stem{position:absolute;left:50%;bottom:66px;width:9px;height:135px;transform:translateX(-50%);background:linear-gradient(90deg,#1f6c35,#65b76d);border-radius:9px}.leaf{position:absolute;width:86px;height:42px;background:linear-gradient(140deg,#5abf68,#1d6f36);border-radius:100% 0 100% 0;transform-origin:10% 50%;box-shadow:inset 0 0 0 1px rgba(255,255,255,.05),0 5px 12px rgba(0,0,0,.2)}.leaf:after{content:"";position:absolute;left:8px;top:50%;width:65%;height:2px;background:rgba(225,255,216,.28);transform:rotate(-19deg);transform-origin:left}.leaf-a{left:3px;bottom:132px;transform:rotate(17deg)}.leaf-b{right:3px;bottom:143px;transform:scaleX(-1) rotate(11deg)}.leaf-c{left:10px;bottom:180px;transform:scale(.88) rotate(9deg)}.leaf-d{right:10px;bottom:192px;transform:scaleX(-1) scale(.86) rotate(8deg)}.leaf-e{left:31px;bottom:225px;transform:scale(.72) rotate(45deg)}.plant-visual[data-visual="droop"] .leaf,.plant-visual[data-visual="heavy"] .leaf{transform-origin:50% 100%;filter:saturate(.8)}.plant-visual[data-visual="droop"] .leaf-a,.plant-visual[data-visual="droop"] .leaf-c{transform:rotate(38deg) translateY(10px)}.plant-visual[data-visual="droop"] .leaf-b,.plant-visual[data-visual="droop"] .leaf-d{transform:scaleX(-1) rotate(34deg) translateY(9px)}.plant-visual[data-visual="heavy"] .leaf{filter:saturate(.65) brightness(.86)}.plant-visual[data-visual="taco"] .leaf{border-radius:60% 0 60% 0;filter:brightness(1.05)}.plant-visual[data-visual="humid"]{background:radial-gradient(circle at 35% 40%,rgba(120,185,150,.25),transparent 25%),linear-gradient(180deg,#102a20,#0c1914)}.plant-visual[data-visual="bleach"] .leaf-c,.plant-visual[data-visual="bleach"] .leaf-d,.plant-visual[data-visual="bleach"] .leaf-e{filter:saturate(.35) brightness(1.6)}.plant-visual[data-visual="stretch"] .stem{height:175px}.plant-visual[data-visual="mottle"] .leaf{background:linear-gradient(135deg,#6bbd61 0 30%,#9fa94e 30% 43%,#3b8842 43% 70%,#b5bc64 70%)}.plant-visual[data-visual="tipburn"] .leaf{box-shadow:inset -9px -5px 0 rgba(142,83,42,.55),0 5px 12px rgba(0,0,0,.2)}.plant-visual[data-visual="yellow"] .leaf-a,.plant-visual[data-visual="yellow"] .leaf-b{filter:hue-rotate(42deg) saturate(.8) brightness(1.25)}.plant-visual[data-visual="claw"] .leaf{filter:saturate(1.6) brightness(.7)}.plant-visual[data-visual="cold"]{box-shadow:inset 0 0 70px rgba(123,189,255,.12)}.scanline{position:absolute;inset:0;background:repeating-linear-gradient(180deg,transparent 0 7px,rgba(255,255,255,.015) 8px);pointer-events:none}.symptom-list{margin:.5rem 0 0;padding:0;list-style:none;display:grid;gap:.7rem}.symptom-list li{padding:.8rem .9rem;border-left:3px solid #63b874;background:#0b1b12;border-radius:.3rem .8rem .8rem .3rem;color:#d9e3db;line-height:1.45}.evidence-list{display:grid;gap:.7rem}.evidence-item{border:1px solid #244630;background:#0b1b12;border-radius:.9rem;padding:.9rem}.evidence-item span{color:var(--gold);font-size:.7rem;font-weight:900;letter-spacing:.1em}.evidence-item strong{display:block;margin:.25rem 0}.evidence-item p{margin:0;color:#c6d2c8;line-height:1.5}.empty-state{color:var(--muted);margin:.25rem 0;line-height:1.5}.action-grid,.diagnosis-grid{display:grid;gap:.65rem}.inspection-button,.diagnosis-button,.primary-button,.secondary-button{border:1px solid #315f40;border-radius:.85rem;background:#10251a;color:var(--text);padding:.78rem .9rem;cursor:pointer;transition:transform .16s ease,border-color .16s ease,background .16s ease}.inspection-button:hover:not(:disabled),.diagnosis-button:hover:not(:disabled),.primary-button:hover,.secondary-button:hover{transform:translateY(-1px);border-color:#6bc27b}.inspection-button:focus-visible,.diagnosis-button:focus-visible,.primary-button:focus-visible,.secondary-button:focus-visible,input:focus-visible,.hub-link:focus-visible,.brand:focus-visible{outline:3px solid rgba(200,255,132,.8);outline-offset:3px}.inspection-button.used{background:#173421;color:#a8d7b2}.diagnosis-button{text-align:left}.diagnosis-button span{display:block;color:#86aa90;font-size:.68rem;text-transform:uppercase;letter-spacing:.1em}.diagnosis-button strong{display:block;margin-top:.2rem;font-size:.97rem}.diagnosis-button.guessed{border-color:#7a4141;background:#2a1717;color:#cfa9a9;text-decoration:line-through}.inspection-button:disabled,.diagnosis-button:disabled{cursor:not-allowed;opacity:.58}.feedback-card{padding:1rem 1.1rem;border-left:4px solid var(--gold)}.feedback-card.success{border-left-color:var(--green);background:linear-gradient(180deg,#113120,#0d2317)}.feedback-card.danger{border-left-color:var(--red);background:linear-gradient(180deg,#321919,#211111)}.feedback-kicker{display:block;color:var(--gold);font-size:.7rem;font-weight:900;letter-spacing:.12em;margin-bottom:.35rem}.feedback-card.success .feedback-kicker{color:var(--green)}.feedback-card.danger .feedback-kicker{color:var(--red)}.feedback-card strong{font-size:1.02rem}.feedback-card p{margin:.45rem 0 0;color:#c7d2c9;line-height:1.5}.help-text{color:var(--muted);font-size:.85rem;line-height:1.45}.code-row{display:grid;grid-template-columns:1fr auto;gap:.55rem;margin:.45rem 0}.code-row input{min-width:0;border:1px solid #315d3f;background:#08150e;color:var(--lime);border-radius:.8rem;padding:.75rem .8rem;font-weight:900;letter-spacing:.2em;text-transform:uppercase}.code-row input[aria-invalid="true"]{border-color:var(--red)}.primary-button{background:linear-gradient(180deg,#34734a,#245b39);font-weight:850}.secondary-button{font-weight:800}.next-button{width:100%;font-size:1rem}.history-list{margin:.5rem 0 0;padding:0;list-style:none;display:grid;gap:.55rem}.history-list li{display:flex;justify-content:space-between;gap:.8rem;border-bottom:1px solid #1e3828;padding:.55rem 0;color:#c9d5cc}.history-list li.solved strong{color:var(--green)}.history-list li.failed strong{color:var(--red)}.rules-card{margin-top:1rem}.rules-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.rules-grid p{margin:0;color:#c6d1c9;line-height:1.55}.rules-grid strong{color:var(--text)}.education-note{margin:1rem 0 0;padding-top:1rem;border-top:1px solid #24412f;color:#91a79a;font-size:.86rem;line-height:1.5}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}@media(max-width:1050px){.lab-grid{grid-template-columns:1fr}.control-column{grid-template-columns:repeat(2,minmax(0,1fr))}.control-column .control-card:last-child{grid-column:1/-1}}@media(max-width:760px){.hero{align-items:flex-start;flex-direction:column;gap:.75rem}.hud{grid-template-columns:repeat(2,1fr)}.monitor-grid{grid-template-columns:1fr}.plant-visual{min-height:300px}.control-column{grid-template-columns:1fr}.control-column .control-card:last-child{grid-column:auto}.rules-grid{grid-template-columns:1fr}.case-heading,.section-heading{align-items:flex-start;flex-direction:column}.case-badge{align-self:flex-start}}@media(max-width:480px){.game-shell{padding:.8rem}.site-bar{padding:.8rem}.brand small{display:none}.hud{gap:.5rem}.hud div{padding:.8rem}.case-card,.evidence-card,.control-card,.rules-card{border-radius:1rem}.plant-visual{min-height:270px}.case-badge{display:none}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}