:root{
  /* Enersan warm-paper design tokens — single source of truth (mirrors
     enersan.uz: paper #FAF7F1, ink #21302B, amber #E8A13C). Swap these to
     re-theme the whole studio; components below consume the variables. */
  --primary:var(--es-accent, #E8A13C);         /* brand amber (was blue) */
  --primary-700:var(--es-accent-700, #C6791E);     /* amber, pressed */
  --ink:var(--es-ink, #21302B);             /* deep green-charcoal text */
  --gray-600:var(--es-ink-2, #5A6B64);
  --gray-400:var(--es-faint, #9AA294);
  --line:var(--es-line, #EEE8DC);
  --line-soft:var(--es-line-soft, #F1EADD);
  --offwhite:var(--es-paper, #FAF7F1);        /* warm paper page bg */
  --paper:var(--es-paper, #FAF7F1);
  --amber-soft:var(--es-accent-soft, #FBEED6);
  --navy:var(--es-deep, #21302B);            /* dark hero card (matches enersan hero) */
  --good:var(--es-good, #1E8E5A);            /* savings / positive money — ALWAYS green */
  --radius:var(--es-r, 16px);
  --shadow:var(--es-shadow, 0 8px 30px rgba(33,48,43,.08));
  font-synthesis:none;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:"Instrument Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--offwhite);color:var(--ink);-webkit-font-smoothing:antialiased;
}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px 60px}

/* numbers use the mono face */
.big, .v, .breakdown b, .spec b, #m_kwh, #m_payback{font-family:"Spline Sans Mono",ui-monospace,monospace}

/* ===== site header (matches enersan.uz: mark + wordmark + nav + back-home) ===== */
.sitehead{display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0 16px;border-bottom:1px solid var(--line);margin-bottom:16px;flex-wrap:wrap}
.sitehead .site-brand{display:flex;align-items:center;gap:11px;text-decoration:none}
.sitehead .mark{height:32px;width:auto;display:block;flex:none}
.sitehead .word{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:19px;
  letter-spacing:.01em;color:var(--ink)}
.sitenav{display:flex;align-items:center;gap:26px;font-size:14.5px;font-weight:500}
.sitenav a{color:var(--gray-600);text-decoration:none}
.sitenav a:hover{color:var(--ink)}
.sitenav a.active{color:var(--ink);font-weight:600;border-bottom:2px solid var(--primary);padding-bottom:3px}
/* breadcrumb (feature 2) */
.crumb{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--gray-400);
  padding:2px 0 14px}
.crumb a{color:var(--gray-600);text-decoration:none}
.crumb a:hover{color:var(--ink)}
@media(max-width:640px){
  .sitenav{flex-wrap:wrap;gap:14px 18px;font-size:14px;justify-content:flex-end}
  .sitehead{padding-top:16px;align-items:flex-start}
}

/* studio top bar (partner brand + lead form) */
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;gap:14px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:38px;height:38px;border-radius:10px;background:var(--primary);position:relative;display:grid;place-items:center}
.logo::after{content:"";width:16px;height:16px;border-radius:50%;background:#241708;opacity:.85}
.brand h1{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:21px;margin:0;letter-spacing:-.01em}
.brand small{display:block;color:var(--gray-600);font-size:12px;font-weight:500}
.cobrand{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--gray-600);flex-wrap:wrap}
.cobrand .chip{display:flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);padding:6px 11px;border-radius:30px}
.cobrand .av{width:20px;height:20px;border-radius:50%;background:var(--brand-accent,var(--primary));display:grid;place-items:center;font-size:10px;font-weight:700;color:#241708}
.leadlink{text-decoration:none;padding:9px 15px;border-radius:10px;background:var(--primary);
  color:#241708;font-weight:700;font-size:13px;white-space:nowrap}
.leadlink:hover{background:var(--primary-700)}
.tag{font-size:11px;color:var(--gray-400);text-align:center;margin:2px 0 22px;letter-spacing:.4px;text-transform:uppercase}

.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
@media(max-width:820px){.grid{grid-template-columns:1fr}}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card .hd{padding:18px 22px 4px}
.card .hd h2{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;margin:0;font-size:19px;letter-spacing:-.01em}
.card .hd p{margin:6px 0 0;color:var(--gray-600);font-size:12.5px;line-height:1.5}
.body{padding:8px 22px 22px}

label{display:block;font-size:12px;font-weight:600;color:var(--es-fg, #21302B);margin:14px 0 6px}
label.toggle{display:flex;align-items:center;gap:8px;color:var(--ink)}
label.toggle input{width:auto}
.hint{font-weight:500;color:var(--gray-400);font-size:11px}
input,select{
  width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:11px;font-size:14px;
  background:#fff;color:var(--ink);outline:none;transition:border .15s,box-shadow .15s;font-family:inherit;
}
input[type=number]{font-family:"Spline Sans Mono",ui-monospace,monospace}
input[type=color]{padding:4px;height:42px;cursor:pointer}
input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(232,161,60,.22)}
input:disabled{background:var(--line-soft);color:var(--gray-600)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}

.profile{margin-top:18px;padding:14px 16px 18px;background:var(--offwhite);border:1px solid var(--line);border-radius:12px}
.profile-hd{font-size:12px;font-weight:700;color:var(--ink)}
.profile label{margin-top:10px}

.btn{margin-top:20px;width:100%;padding:13px;border:0;border-radius:12px;background:var(--primary);color:#241708;font-size:14px;font-weight:700;cursor:pointer;letter-spacing:.2px}
.btn:hover{background:var(--primary-700)}
.btn:disabled{opacity:.6;cursor:default}
.formnote{font-size:11.5px;color:var(--gray-600);margin-top:10px;min-height:14px;text-align:center}

/* RESULT side */
.result{display:flex;flex-direction:column;gap:14px;position:sticky;top:24px}
.hero{background:linear-gradient(160deg,var(--navy),#18231d);color:#F5F1E8;border-radius:var(--radius);padding:22px 22px 20px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.hero::before{content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;background:radial-gradient(circle,rgba(232,161,60,.28),transparent 70%)}
.hero .lab{font-size:11px;text-transform:uppercase;letter-spacing:1px;opacity:.75}
.hero .big{font-size:34px;font-weight:700;margin:4px 0 2px;letter-spacing:-.5px;color:#F2BC6B}
.hero .big small{font-size:15px;font-weight:600;opacity:.85;font-family:"Instrument Sans",sans-serif;color:#F5F1E8}
.hero .sub{font-size:12.5px;opacity:.85;line-height:1.5}

.money{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.money div.cell, .money>div{background:#fff;padding:14px}
.money .k{font-size:11px;color:var(--gray-600);letter-spacing:.3px}
.money .v{font-size:18px;font-weight:700;color:var(--ink);margin-top:2px}
.money .v.acc{color:var(--es-accent-ink, #9A5A16)}
.money .v.good{color:var(--es-good-ink, #157A49)}

.breakdown{background:#fff;border:1px solid var(--line);border-radius:14px;padding:6px 16px}
.li{display:flex;justify-content:space-between;align-items:center;padding:11px 0;font-size:13px;border-bottom:1px solid var(--line-soft)}
.li:last-child{border-bottom:0}
.li .n{color:var(--gray-600)}
.li b{color:var(--ink)}
.li b.good{color:var(--es-good-ink, #157A49)}
.li.tot b{color:var(--es-accent-ink, #9A5A16);font-size:15px}

.specrow{display:flex;gap:8px;flex-wrap:wrap}
.spec{font-size:11px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:6px 11px;color:var(--gray-600)}
.spec b{color:var(--ink)}

.out{display:flex;gap:10px}
.out .pdf{flex:1;padding:13px;border-radius:12px;border:0;background:var(--primary);color:#241708;font-weight:700;font-size:13.5px;cursor:pointer}
.out .pdf:hover{background:var(--primary-700)}
.out .pdf:disabled{opacity:.6;cursor:default}
.note{font-size:11px;color:var(--gray-400);line-height:1.5}

/* Map location picker (Leaflet) */
.mapwrap{margin-top:6px}
.mapsearch{position:relative;display:flex;gap:8px;margin-bottom:8px}
.mapsearch input{flex:1}
.mapsearch button{padding:0 16px;border:0;border-radius:11px;background:var(--primary);color:#241708;font-family:inherit;font-weight:700;font-size:13px;cursor:pointer;white-space:nowrap}
.mapsearch button:hover{background:var(--primary-700)}
.mapresults{position:absolute;top:calc(100% + 4px);left:0;right:0;z-index:500;background:#fff;border:1px solid var(--line);border-radius:11px;box-shadow:var(--shadow);overflow:hidden;max-height:230px;overflow-y:auto}
.mapresults:empty{display:none}
.mapresult{padding:10px 12px;font-size:12.5px;color:var(--ink);cursor:pointer;border-bottom:1px solid var(--line-soft);line-height:1.35}
.mapresult:last-child{border-bottom:0}
.mapresult:hover{background:var(--offwhite)}
.mapresult.muted{color:var(--gray-600);cursor:default}
#map{height:280px;border-radius:12px;border:1px solid var(--line);overflow:hidden;z-index:1}
.maphint{font-size:11px;color:var(--gray-400);line-height:1.5;margin-top:6px}
.map-pin span{display:block;width:18px;height:18px;background:var(--primary);border:2.5px solid #fff;border-radius:50% 50% 50% 0;transform:rotate(-45deg);box-shadow:0 2px 6px rgba(0,0,0,.45)}

/* System presets */
.presets{display:flex;gap:8px;flex-wrap:wrap;margin:2px 0 4px}
.preset{padding:8px 14px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);font-family:inherit;font-weight:600;font-size:13px;cursor:pointer}
.preset.on{border-color:var(--primary);color:var(--es-accent-ink, #9A5A16);box-shadow:0 0 0 2px rgba(232,161,60,.16)}
.preset:disabled{opacity:.5;cursor:not-allowed}

/* ===== Welcome / intro view (feature 3) ===== */
.welcome{padding:26px 0 60px;display:flex;justify-content:center}
.wel-card{width:100%;max-width:620px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:40px 40px 34px}
.wel-eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--es-accent-ink, #9A5A16);font-weight:700;margin-bottom:12px}
.wel-title{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:34px;line-height:1.08;letter-spacing:-.02em;margin:0 0 12px;color:var(--ink)}
.wel-sub{font-size:16px;line-height:1.55;color:var(--gray-600);margin:0 0 26px}
.wel-steps{display:flex;flex-direction:column;gap:14px;margin-bottom:28px}
.wel-step{display:flex;gap:14px;align-items:flex-start}
.wel-num{flex:none;width:30px;height:30px;border-radius:50%;background:var(--amber-soft);color:var(--es-accent-ink, #9A5A16);display:grid;place-items:center;font-weight:800;font-size:15px}
.wel-step-t b{display:block;font-size:15.5px;color:var(--ink)}
.wel-step-t p{margin:2px 0 0;font-size:13.5px;color:var(--gray-600);line-height:1.5}
.wel-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.wel-cta{background:var(--primary);color:#241708;border:0;border-radius:999px;padding:14px 26px;font-family:inherit;font-weight:700;font-size:15.5px;cursor:pointer}
.wel-cta:hover{background:var(--primary-700)}
.wel-back{color:var(--gray-600);text-decoration:none;font-weight:600;font-size:14.5px}
.wel-back:hover{color:var(--ink)}
.wel-recents{margin-top:30px;padding-top:24px;border-top:1px solid var(--line)}
.wel-recents-hd{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--gray-600);margin-bottom:12px}
#recentList{display:flex;flex-direction:column;gap:8px}
.recent{display:flex;flex-direction:column;align-items:flex-start;gap:2px;width:100%;text-align:left;background:var(--offwhite);border:1px solid var(--line);border-radius:12px;padding:12px 14px;cursor:pointer;font-family:inherit}
.recent:hover{border-color:var(--primary)}
.recent-name{font-weight:700;font-size:14.5px;color:var(--ink)}
.recent-meta{font-size:12.5px;color:var(--gray-600)}
@media(max-width:640px){.wel-card{padding:28px 22px 26px}.wel-title{font-size:28px}}

/* ===== PDF progress / success / error (feature 4) ===== */
.pdfstate{margin-top:2px}
.pdfbar{height:8px;background:var(--line);border-radius:999px;overflow:hidden}
.pdfbar span{display:block;height:100%;width:0;background:var(--primary);border-radius:999px;transition:width .35s ease}
.pdfprog.working .pdfbar span{animation:pdfpulse 1.1s ease-in-out infinite}
@keyframes pdfpulse{0%,100%{opacity:1}50%{opacity:.5}}
.pdfstage{font-size:12px;color:var(--gray-600);margin-top:8px;text-align:center}
.pdfdone,.pdferr{display:flex;align-items:center;justify-content:space-between;gap:12px}
.pdfdone-msg{font-size:13px;color:var(--es-good-ink, #157A49)}
.pdferr-msg{font-size:13px;color:var(--es-danger, #C0392B);line-height:1.4}
.btn-mini{flex:none;background:var(--primary);color:#241708;border:0;border-radius:10px;padding:9px 14px;font-family:inherit;font-weight:700;font-size:12.5px;cursor:pointer;white-space:nowrap}
.btn-mini:hover{background:var(--primary-700)}

/* ===== mobile hardening (375px field use) ===== */
html,body{overflow-x:hidden}
@media(max-width:640px){
  .sitehead{gap:12px}
  .sitenav{gap:15px;font-size:13.5px}
  .crumb{padding-top:0}
  .welcome{padding:20px 0 50px}
  .wel-card{min-width:0;max-width:100%}
  .wel-title{overflow-wrap:anywhere}
  .wel-actions{gap:14px}
  .topbar{gap:10px}
}

/* welcome: block-center the card so it never exceeds the viewport (overflow fix) */
.welcome{display:block}
.wel-card{margin-left:auto;margin-right:auto}

@media(max-width:640px){
  .sitehead{flex-direction:column;align-items:flex-start;gap:10px}
  .sitenav{width:100%;justify-content:flex-start;flex-wrap:wrap;gap:16px}
  .wel-card{width:100%}
}