/* ════════════════════════════════════════════════════════════
   SUN STOVE — Solar Rice Cooker Lab · boy-kibble palette
   ════════════════════════════════════════════════════════════ */
:root{
  --bg:#211712; --bg2:#2b1e15; --card:#2e211a; --raise:#3a2a1f; --line:#4a3628;
  --ink:#f6eee1; --ink2:#cdbba6; --muted:#a08c76;
  --chili:#e85d2f; --chili-deep:#b8431f; --scallion:#8fbf6a; --yolk:#f2b234;
  --disp:ui-rounded,"SF Pro Rounded",-apple-system,"Segoe UI",system-ui,sans-serif;
  --body:-apple-system,"Segoe UI",system-ui,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%;overflow:hidden}
body{
  background:var(--bg); color:var(--ink); font-family:var(--body);
  -webkit-font-smoothing:antialiased; overscroll-behavior:none;
}
button{font-family:inherit;color:inherit;cursor:pointer;touch-action:manipulation;
  -webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none}
:focus-visible{outline:3px solid var(--yolk);outline-offset:2px;border-radius:8px}
.hidden{display:none!important}

canvas#scene{position:fixed;inset:0;width:100%;height:100%;display:block;touch-action:none}

#vignette{position:fixed;inset:0;pointer-events:none;z-index:3;
  background:radial-gradient(120% 100% at 50% 40%, transparent 55%, rgba(14,8,4,.5) 100%)}

/* ════════ top bar ════════ */
#hud{position:fixed;inset:0;z-index:5;pointer-events:none}
#hud > *{pointer-events:auto}
#topbar{
  position:absolute;top:0;left:0;right:0;display:flex;align-items:center;gap:14px;
  padding:8px max(14px,env(safe-area-inset-right)) 8px max(14px,env(safe-area-inset-left));
  background:linear-gradient(180deg,rgba(23,14,9,.92),rgba(23,14,9,.55) 75%,transparent);
}
#brand{display:flex;align-items:center;gap:9px}
.brand-mark{font-size:22px;color:var(--yolk);text-shadow:0 0 14px rgba(242,178,52,.6)}
.brand-text{font-family:var(--disp);font-weight:800;font-size:15px;letter-spacing:.04em;line-height:1.05}
.brand-text span{display:block;font-family:var(--mono);font-weight:400;font-size:9px;
  letter-spacing:.22em;color:var(--chili)}
#readouts{display:flex;gap:14px;margin-left:auto}
.ro{display:flex;flex-direction:column;align-items:flex-end}
.ro-lbl{font-family:var(--mono);font-size:9px;letter-spacing:.16em;color:var(--muted)}
.ro-val{font-family:var(--mono);font-size:14px;color:var(--ink);white-space:nowrap}
.ro-val.hot{color:var(--chili)}
#sysctl{display:flex;gap:6px;align-items:center}
#sysctl a,#sysctl button{
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--ink2);
  background:rgba(46,33,26,.85);border:1px solid var(--line);border-radius:9px;
  padding:8px 10px;text-decoration:none;min-height:36px;
}
#sysctl a:hover,#sysctl button:hover{background:var(--raise);color:var(--ink)}
#sysctl button[aria-pressed="true"]{border-color:var(--yolk);color:var(--yolk)}

/* ════════ build panel ════════ */
#panel{
  position:absolute;top:58px;bottom:74px;left:10px;width:272px;display:flex;flex-direction:column;
  background:rgba(35,24,17,.93);border:1px solid var(--line);border-radius:16px;
  backdrop-filter:blur(6px);overflow:hidden;
}
#panel.closed{display:none}
.panel-head{
  font-family:var(--mono);font-size:10px;letter-spacing:.22em;color:var(--yolk);
  padding:10px 14px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;
}
.panel-scroll{overflow-y:auto;padding:4px 14px 16px;scrollbar-width:thin}
.ctl-group{padding:10px 0 4px;border-bottom:1px dashed rgba(74,54,40,.7)}
.ctl-group:last-child{border-bottom:0}
.grp-head{font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;color:var(--chili);margin:2px 0 8px}
.grp-note{font-size:11.5px;color:var(--muted);margin:8px 0 4px;line-height:1.45}
.seg{display:flex;gap:5px}
.seg button{
  flex:1;font-family:var(--disp);font-weight:700;font-size:11.5px;letter-spacing:.05em;
  background:var(--bg2);border:1px solid var(--line);border-radius:9px;padding:9px 2px;color:var(--ink2);
}
.seg button.active{background:var(--yolk);border-color:var(--yolk);color:#3a2708}
.row{display:block;margin:9px 0;font-size:12.5px;color:var(--ink2)}
.row > span{display:flex;justify-content:space-between;margin-bottom:3px}
.row em{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--yolk)}
.row input[type=range]{width:100%;accent-color:var(--chili);height:22px}
.row.sel{display:flex;justify-content:space-between;align-items:center;gap:8px}
.row.sel select{
  flex:1;max-width:158px;background:var(--bg2);color:var(--ink);border:1px solid var(--line);
  border-radius:8px;padding:7px 6px;font-size:12px;font-family:inherit;
}
.row.chk{display:flex;align-items:center;gap:8px}
.row.chk input{width:17px;height:17px;accent-color:var(--scallion)}
.wide-btn{
  width:100%;margin:6px 0 8px;font-family:var(--disp);font-weight:700;font-size:12.5px;
  background:linear-gradient(180deg,#f0663a,var(--chili-deep));border:1px solid #8f3316;
  color:#fff8f2;border-radius:11px;padding:10px;letter-spacing:.04em;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.25);
}
.wide-btn:hover{filter:brightness(1.08)}
.capture-meter{margin:2px 0 6px}
.cm-lbl{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;color:var(--muted);
  display:flex;justify-content:space-between;margin-bottom:4px}
.cm-lbl span{color:var(--yolk)}
.cm-track{height:9px;border-radius:5px;background:var(--bg2);border:1px solid var(--line);overflow:hidden}
#cm-fill{height:100%;width:0;border-radius:4px;
  background:linear-gradient(90deg,var(--chili),var(--yolk));transition:width .25s}

/* ════════ results panel ════════ */
#analysis{
  position:absolute;right:10px;bottom:74px;width:384px;max-width:calc(100vw - 20px);
  background:rgba(35,24,17,.93);border:1px solid var(--line);border-radius:16px;
  backdrop-filter:blur(6px);overflow:hidden;
}
#analysis.min #chart,#analysis.min #stats,#analysis.min #tips{display:none}
#analysis.stowed{display:none}   /* the parts list owns the right edge */
#btn-analysis-min{background:none;border:0;color:var(--muted);font-size:13px;padding:0 2px}
#chart{display:block;width:100%;height:190px}
#stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border-top:1px solid var(--line)}
.st{background:rgba(35,24,17,.96);padding:8px 12px;display:flex;flex-direction:column}
.st-lbl{font-family:var(--mono);font-size:9px;letter-spacing:.16em;color:var(--muted)}
.st span:last-child{font-family:var(--mono);font-size:14.5px;color:var(--ink);margin-top:1px}
#st-grade{color:var(--yolk)!important;font-family:var(--disp)!important;font-weight:800}
#tips{border-top:1px solid var(--line);padding:9px 12px 11px}
.tips-head{font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;color:var(--scallion);margin-bottom:6px}
#tips-list{margin:0;padding:0;list-style:none;font-size:12px;line-height:1.45;color:var(--ink2)}
#tips-list li{margin:0 0 6px;padding-left:14px;position:relative}
#tips-list li::before{content:"▸";position:absolute;left:0;color:var(--yolk)}
#tips-list li b{color:var(--ink)}

/* ════════ parts list (affiliate) ════════ */
#shop{
  position:absolute;top:58px;right:10px;bottom:74px;width:330px;max-width:calc(100vw - 20px);
  display:flex;flex-direction:column;background:rgba(35,24,17,.95);border:1px solid var(--line);
  border-radius:16px;backdrop-filter:blur(6px);overflow:hidden;z-index:7;
}
#shop .panel-head{align-items:center;gap:8px}
.shop-ad{
  font-family:var(--mono);font-size:8px;letter-spacing:.16em;color:var(--muted);
  border:1px solid var(--line);border-radius:5px;padding:2px 5px;margin-left:auto;
}
#btn-shop-close{background:none;border:0;color:var(--muted);font-size:17px;line-height:1;padding:0 2px}
.shop-intro{font-size:11.5px;line-height:1.5;color:var(--muted);margin:10px 14px 4px}
#shop-list{overflow-y:auto;padding:4px 14px 6px;display:flex;flex-direction:column;gap:8px;scrollbar-width:thin}
.shop-item{
  display:flex;flex-direction:column;gap:3px;text-decoration:none;color:inherit;
  background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:10px 12px;
}
.shop-item:hover{border-color:var(--yolk);background:var(--raise)}
.shop-item.hero{background:linear-gradient(180deg,rgba(242,178,52,.16),rgba(232,93,47,.10));border-color:#7a5a2a}
.shop-item.matched{border-left:3px solid var(--scallion)}
.shop-kicker{font-family:var(--mono);font-size:8.5px;letter-spacing:.16em;color:var(--chili)}
.shop-item.matched .shop-kicker{color:var(--scallion)}
.shop-item.hero .shop-kicker{color:var(--yolk)}
.shop-title{font-family:var(--disp);font-size:13.5px;font-weight:700;color:var(--ink)}
.shop-note{font-size:11.5px;line-height:1.45;color:var(--ink2)}
.shop-cta{font-family:var(--mono);font-size:9.5px;letter-spacing:.06em;color:var(--yolk);margin-top:3px}
.shop-disclosure{
  font-size:10px;line-height:1.45;color:var(--muted);margin:0;padding:9px 14px 11px;
  border-top:1px solid var(--line);
}

/* ════════ time bar ════════ */
#timebar{
  position:absolute;left:0;right:0;bottom:0;display:flex;align-items:center;gap:12px;
  padding:10px max(16px,env(safe-area-inset-right)) calc(10px + env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));
  background:linear-gradient(0deg,rgba(23,14,9,.94),rgba(23,14,9,.6) 80%,transparent);
}
#btn-play{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);flex:none;
  background:linear-gradient(180deg,#f0663a,var(--chili-deep));color:#fff8f2;font-size:15px;
}
#clock{font-family:var(--mono);font-size:16px;min-width:56px;text-align:center;color:var(--yolk)}
#time-scrub{flex:1;accent-color:var(--yolk);height:26px}
#sunmini{display:flex;align-items:center;gap:6px;font-family:var(--mono);font-size:11px;color:var(--ink2);flex:none}
#sunmini-icon{color:var(--yolk)}

/* ════════ toasts ════════ */
#toasts{position:absolute;top:66px;left:50%;transform:translateX(-50%);display:flex;
  flex-direction:column;gap:6px;align-items:center;pointer-events:none}
.toast{
  background:rgba(35,24,17,.95);border:1px solid var(--line);border-left:3px solid var(--yolk);
  border-radius:10px;padding:8px 14px;font-size:13px;color:var(--ink);
  animation:toastIn .3s ease-out;max-width:min(420px,86vw);
}
@keyframes toastIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* ════════ overlays ════════ */
.overlay{
  position:fixed;inset:0;z-index:20;display:grid;place-items:center;overflow-y:auto;
  background:radial-gradient(110% 110% at 50% 20%, rgba(43,30,21,.96), rgba(23,14,9,.985));
  padding:20px;
}
.start-inner{max-width:640px;text-align:center;padding:20px 6px}
.start-pre{font-family:var(--mono);font-size:10.5px;letter-spacing:.3em;color:var(--chili);margin-bottom:14px}
#title{
  font-family:var(--disp);font-weight:800;font-size:clamp(46px,11vw,88px);margin:0;
  letter-spacing:-.02em;line-height:.95;text-shadow:0 8px 40px rgba(242,178,52,.25);
}
#title .yolk{color:var(--yolk)}
.start-rule{display:flex;align-items:center;gap:12px;margin:16px 0 18px}
.start-rule span{flex:1;height:1px;background:var(--line)}
.start-rule em{font-family:var(--mono);font-style:normal;font-size:10.5px;letter-spacing:.32em;color:var(--ink2)}
.start-lore{font-size:15px;line-height:1.65;color:var(--ink2);max-width:52ch;margin:0 auto 24px}
.start-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.big-btn{
  font-family:var(--disp);font-weight:800;font-size:16px;letter-spacing:.04em;
  background:linear-gradient(180deg,#f0663a,var(--chili-deep));border:1px solid #8f3316;
  color:#fff8f2;border-radius:14px;padding:15px 30px;min-height:48px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.28), 0 12px 32px -12px rgba(232,93,47,.7);
}
.big-btn:hover{filter:brightness(1.08)}
.big-btn:active{transform:translateY(1px)}
.start-foot{margin-top:28px;font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--muted)}
.game-links{display:flex;gap:18px;justify-content:center;margin-top:14px}
.game-links a{color:var(--scallion);text-decoration:none;letter-spacing:.1em}
.game-links a:hover{text-decoration:underline}

.help-card{
  max-width:760px;background:var(--card);border:1px solid var(--line);border-radius:18px;
  padding:24px 26px;box-shadow:0 30px 80px -30px rgba(0,0,0,.9);
}
.help-card h2{font-family:var(--disp);font-size:21px;margin:0 0 14px;color:var(--yolk);letter-spacing:.02em}
.help-cols{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media (max-width:640px){.help-cols{grid-template-columns:1fr}}
.help-card h3{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;color:var(--chili);margin:14px 0 7px}
.help-card p{font-size:13px;line-height:1.6;color:var(--ink2);margin:0 0 9px}
.help-card table{border-collapse:collapse;font-size:12.5px;color:var(--ink2)}
.help-card td{padding:3px 10px 3px 0}
.kbd{font-family:var(--mono);font-size:10.5px;color:var(--yolk);white-space:nowrap}
.gold{color:var(--yolk)} .straw{color:#f4e2ab} .dim{color:#c96a55}
.help-card .big-btn{margin-top:18px;width:100%}

/* ════════ mobile ════════ */
@media (max-width:900px){
  #readouts{gap:9px}
  .ro-val{font-size:12px}
  #analysis{left:10px;right:10px;width:auto;max-height:52vh;overflow-y:auto}
  #shop{left:10px;right:10px;width:auto;top:58px;bottom:74px}
  #analysis.hidden-mobile{display:none}
  #panel{width:min(300px,78vw);z-index:6}
  #panel.closed{display:none}
}
@media (max-width:560px){
  .brand-text span{display:none}
  .ro:nth-child(2),.ro:nth-child(3){display:none}
  #sunmini{display:none}
  #sysctl a{display:none}
  /* five word-labels do not fit a phone: swap them for glyphs and
     keep the titles for anyone reading them out */
  #sysctl{gap:4px}
  #sysctl button{padding:8px 9px;font-size:0}
  #sysctl button::after{font-size:13px;line-height:1}
  #btn-rays::after{content:"☀"}
  #btn-panel::after{content:"⚙"}
  #btn-results::after{content:"📈"}
  #btn-shop::after{content:"🛒"}
  #btn-help::after{content:"?"}
}