:root {
  --paper: #f6f1e7; --card: #fffdf8; --ink: #1b2a2c; --muted: #6a7673; --line: #e6ddcc;
  --teal: #0f4c52; --teal-2: #1c6b72; --amber: #f2a516; --amber-2: #ffd27a; --clay: #b8613f; --green: #2f7d4f; --red: #b53a2e;
  --shadow: 0 1px 0 rgba(27,42,44,.04), 0 10px 30px -12px rgba(27,42,44,.18);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.5 var(--sans); }
body::before { content: ""; position: fixed; inset: 0 0 auto 0; height: 340px; background: radial-gradient(900px 300px at 85% -60px, rgba(242,165,22,.22), transparent 70%); pointer-events: none; z-index: 0; }
.top, #hero, #app { position: relative; z-index: 1; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px max(20px, 4vw); }
.brand { display: flex; align-items: center; gap: 10px; font: 700 21px var(--serif); color: var(--teal); text-decoration: none; letter-spacing: -.01em; }
.sun { width: 20px; height: 20px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #ffe3a0, var(--amber)); box-shadow: 0 0 0 4px rgba(242,165,22,.22); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; }
.chip { font-size: 12px; padding: 3px 9px; border-radius: 99px; background: #ece4d3; color: #4c5a58; border: 1px solid var(--line); cursor: help; white-space: nowrap; }
.chip.live { background: #e0efe4; color: #1f5a38; border-color: #c4dccb; }
.chip.warn { background: #fbecc9; color: #6e4b00; border-color: #efd79b; }

#hero { max-width: 760px; margin: 0 auto; padding: 5vh 20px 40px; text-align: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: 12px; color: var(--clay); font-weight: 600; margin: 0 0 12px; }
h1 { font: 600 clamp(38px, 6.4vw, 66px)/1.02 var(--serif); letter-spacing: -.025em; margin: 0 0 16px; }
h1 em { font-style: italic; color: var(--clay); }
.lede { font-size: 18px; color: #435250; max-width: 600px; margin: 0 auto 28px; }
.addr { display: flex; gap: 8px; max-width: 600px; margin: 0 auto; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 7px; box-shadow: var(--shadow); }
.addr input { flex: 1; border: 0; background: transparent; font: inherit; font-size: 17px; padding: 10px 14px; outline: none; min-width: 0; }
.btn { font: 600 15px var(--sans); border: 0; border-radius: 11px; padding: 11px 20px; cursor: pointer; transition: transform .08s, filter .15s; }
.btn.primary { background: var(--teal); color: #fff; }
.btn:hover { filter: brightness(1.08); } .btn:active { transform: translateY(1px); } .btn:disabled { opacity: .55; cursor: progress; }
.link { background: none; border: 0; padding: 0; color: var(--teal); font: inherit; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
#demoBtn { margin-top: 16px; }
.msg { margin: 18px auto 0; max-width: 600px; padding: 11px 14px; border-radius: 12px; background: #fbecc9; color: #5e4200; text-align: left; }
.msg.err { background: #f8dcd8; color: #7a241b; }
.manual { text-align: left; max-width: 640px; margin: 18px auto 0; }
.promises { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding: 0; margin: 44px 0 0; text-align: left; }
.promises li { font-size: 13.5px; color: #4c5a58; padding-top: 12px; border-top: 2px solid var(--amber); }
.promises b { display: block; color: var(--ink); font: 600 15px var(--serif); margin-bottom: 2px; }

#app { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: 26px; padding: 6px max(20px, 3.5vw) 60px; max-width: 1500px; margin: 0 auto; align-items: start; }
#app[hidden], #hero[hidden], .manual[hidden], .msg[hidden] { display: none; }
.stage { position: sticky; top: 14px; }
.viewer { position: relative; height: min(62vh, 560px); min-height: 360px; border-radius: 22px; overflow: hidden; background: linear-gradient(180deg, #9ec7e6 0%, #d8e8ef 52%, #efe6d2 100%); box-shadow: var(--shadow); border: 1px solid var(--line); }
.viewer canvas { width: 100%; height: 100%; display: block; touch-action: none; }
.vbar { position: absolute; top: 12px; left: 12px; display: flex; gap: 4px; background: rgba(255,253,248,.88); padding: 4px; border-radius: 11px; backdrop-filter: blur(6px); }
.vbar button, .seg button { border: 0; background: transparent; padding: 6px 11px; border-radius: 8px; font: 600 12.5px var(--sans); color: #435250; cursor: pointer; }
.vbar button.on, .seg button.on { background: var(--teal); color: #fff; }
.vsun { position: absolute; top: 12px; right: 12px; background: rgba(255,253,248,.88); padding: 6px 10px; border-radius: 11px; backdrop-filter: blur(6px); }
.vsun input { width: 100px; vertical-align: middle; accent-color: var(--amber); }
.vstat { position: absolute; left: 12px; bottom: 12px; right: 12px; display: flex; flex-wrap: wrap; gap: 6px; font-size: 12.5px; }
.vstat span { background: rgba(255,253,248,.92); border-radius: 9px; padding: 5px 10px; } .vstat b { font-weight: 650; }
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 12px; }
.kpis.small { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 11px 13px; }
.kpi .v { font: 600 24px/1.1 var(--serif); color: var(--teal); letter-spacing: -.01em; } .kpi .l { font-size: 12px; color: var(--muted); margin-top: 3px; }
.addrline { font-size: 12.5px; color: var(--muted); margin: 10px 4px 0; }

.steps { display: grid; gap: 16px; min-width: 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 20px 22px; box-shadow: var(--shadow); }
.card h2, .card h3 { font: 600 21px var(--serif); margin: 0 0 14px; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; letter-spacing: -.01em; }
.card h3 { font-size: 18px; }
.card h2 small { font: 400 13px var(--sans); color: var(--muted); letter-spacing: 0; }
.n { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--amber); color: #3d2900; font: 700 13px var(--sans); align-self: center; }
.muted { color: var(--muted); } .small { font-size: 12.5px; } p.muted { margin: 6px 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-items: end; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 14px; }
.field { display: block; font-weight: 600; font-size: 13.5px; margin-bottom: 12px; }
.field > input, .field > select, .grid3 label input, .grid3 label select { display: block; width: 100%; margin-top: 6px; }
input, select { font: 15px var(--sans); color: var(--ink); background: #fff; border: 1px solid #d8cfbd; border-radius: 10px; padding: 8px 10px; min-width: 0; }
input:focus, select:focus, .addr:focus-within { outline: 2px solid rgba(15,76,82,.35); outline-offset: 1px; }
input[type=range] { padding: 0; accent-color: var(--teal); flex: 1; }
input[type=checkbox] { width: 20px; height: 20px; accent-color: var(--teal); }
.inline { display: flex; align-items: center; gap: 10px; margin-top: 6px; font-weight: 400; color: var(--muted); }
.inline input[type=number] { width: 110px; margin: 0; }
.manual label { font-weight: 600; font-size: 13.5px; display: block; } .manual .btn { margin-top: 4px; }
.toggles { display: grid; gap: 4px; margin-bottom: 14px; }
.tg { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 12px; font-weight: 600; font-size: 14px; background: #fff; }
.tg em { font-weight: 400; color: var(--muted); font-style: normal; font-size: 12.5px; }
.tg select { padding: 5px 8px; }
.chart svg { width: 100%; height: auto; display: block; }
.chart { margin-top: 14px; }

.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.tier { text-align: left; background: #fff; border: 1.5px solid var(--line); border-radius: 16px; padding: 13px; cursor: pointer; font: inherit; color: inherit; transition: border-color .15s, box-shadow .15s; }
.tier:hover { border-color: #cdbd9c; } .tier.on { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(15,76,82,.12); }
.tier .t { font: 600 17px var(--serif); } .tier .tag { font-size: 12px; color: var(--muted); min-height: 32px; }
.tier .p { font: 600 22px var(--serif); color: var(--teal); margin-top: 6px; } .tier .pw { font-size: 12px; color: var(--muted); }
.tier dl { margin: 8px 0 0; font-size: 12.5px; display: grid; grid-template-columns: auto auto; gap: 2px 8px; } .tier dt { color: var(--muted); } .tier dd { margin: 0; text-align: right; font-weight: 600; }
.bom { margin-top: 14px; } .bom summary { cursor: pointer; font-weight: 600; color: var(--teal); }
table { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 8px; }
th, td { padding: 6px 4px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; } th { color: var(--muted); font-weight: 600; font-size: 12px; }
td.r, th.r { text-align: right; font-variant-numeric: tabular-nums; } tr.grp td { background: #f5efe2; font-weight: 700; font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: #5a665f; }
tr.tot td { font-weight: 700; border-bottom: 0; border-top: 2px solid var(--ink); }

.roofcard { display: flex; gap: 12px; align-items: flex-start; padding: 12px 14px; border-radius: 14px; border: 1px solid var(--line); background: #fff; }
.badge { flex: none; font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 99px; text-transform: uppercase; letter-spacing: .05em; }
.badge.ok { background: #dcefe2; color: #1f5a38; } .badge.consider { background: #fbecc9; color: #6e4b00; } .badge.replace { background: #f8dcd8; color: #7a241b; }

.routes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.route { position: relative; background: #fff; border: 1.5px solid var(--line); border-radius: 16px; padding: 14px; }
.route.best { border-color: var(--green); box-shadow: 0 0 0 3px rgba(47,125,79,.12); }
.route .tag { font-size: 11.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--clay); font-weight: 700; }
.route h4 { font: 600 18px var(--serif); margin: 2px 0 8px; }
.route .big { font: 600 28px/1 var(--serif); color: var(--teal); letter-spacing: -.02em; } .route .bigl { font-size: 12px; color: var(--muted); margin-bottom: 10px; }
.route dl { margin: 0; font-size: 13px; display: grid; grid-template-columns: 1fr auto; gap: 4px 8px; } .route dt { color: var(--muted); } .route dd { margin: 0; font-weight: 650; text-align: right; font-variant-numeric: tabular-nums; }
.route .crown { position: absolute; top: -10px; right: 12px; background: var(--green); color: #fff; font-size: 11px; font-weight: 700; padding: 2px 9px; border-radius: 99px; }
.route .rnote { font-size: 12px; color: var(--muted); margin: 10px 0 0; }
.neg { color: var(--red); }
.seg { display: inline-flex; background: #ece4d3; border-radius: 10px; padding: 3px; margin-top: 8px; }
.foot { padding: 4px 6px 0; color: #52605d; font-size: 13px; } code { background: #ece4d3; padding: 1px 5px; border-radius: 5px; font-size: 12px; }

@media (max-width: 1020px) {
  #app { grid-template-columns: 1fr; } .stage { position: static; } .viewer { height: 54vh; }
  .routes, .tiers { grid-template-columns: 1fr; } .grid3 { grid-template-columns: 1fr 1fr; } .kpis { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) { .promises { grid-template-columns: 1fr; } .addr { flex-direction: column; } .grid2, .grid3 { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

.fb { position: absolute; inset: 0; display: flex; flex-direction: column; padding: 14px; gap: 8px; background: #eef0e6; }
.fbmsg { margin: 0; font-size: 13px; background: #fbecc9; color: #5e4200; padding: 9px 12px; border-radius: 10px; }
#planView { flex: 1; min-height: 0; display: grid; place-items: center; } #planView svg { max-width: 100%; max-height: 100%; border-radius: 12px; }

.btn.ghost { background: transparent; color: var(--teal); border: 1px solid var(--line); padding: 7px 14px; font-size: 13.5px; white-space: nowrap; }
.btn[hidden] { display: none; }
.top { flex-wrap: wrap; }

.acct { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; justify-content: flex-end; } #acct { display: inline-flex; gap: 10px; align-items: center; }
.acct .link { font-size: 13.5px; }
.dlg { border: 1px solid var(--line); border-radius: 20px; padding: 0; background: var(--card); color: var(--ink); width: min(440px, 92vw); box-shadow: 0 24px 60px -12px rgba(27,42,44,.35); }
.dlg.wide { width: min(680px, 94vw); } .dlg::backdrop { background: rgba(27,42,44,.4); }
.dlgform { padding: 24px; } .dlgform h3 { font: 600 22px var(--serif); margin: 0 0 8px; } .dlgform input[type=email] { width: 100%; margin: 6px 0 4px; font-size: 16px; padding: 11px 12px; }
.dlgmsg { min-height: 22px; font-size: 13.5px; margin: 8px 0; } .dlgmsg.err { color: var(--red); }
.dlgbtns { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; }
.mylist { list-style: none; margin: 8px 0 0; padding: 0; max-height: 55vh; overflow: auto; } .mylist li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.mrow { display: flex; gap: 12px; justify-content: space-between; align-items: center; flex-wrap: wrap; } .mbtns { display: flex; gap: 6px; } .mbtns .btn { padding: 7px 12px; font-size: 13px; }
.shareurl { width: 100%; margin-top: 6px; font-size: 12.5px; padding: 6px 8px; }
#toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); background: var(--teal); color: #fff; padding: 11px 18px; border-radius: 12px; font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 50; max-width: 90vw; text-align: center; }
#toast.show { opacity: 1; transform: translate(-50%, 0); } #toast.err { background: var(--red); }
.vm { border: 1.5px solid var(--green); background: #eef7f0; border-radius: 14px; padding: 12px 14px; margin-bottom: 14px; font-size: 14px; }
.vm.off { border-color: var(--line); background: #fff; color: var(--muted); font-size: 13.5px; }
.vmh { font: 600 16px var(--serif); color: #1f5a38; margin-bottom: 4px; } .vmh em { font: 600 12px var(--sans); font-style: normal; background: var(--green); color: #fff; padding: 2px 9px; border-radius: 99px; margin-left: 6px; vertical-align: 2px; }
.vmtick { color: var(--green); }
.page { max-width: 880px; margin: 0 auto; padding: 8px max(20px, 4vw) 60px; position: relative; z-index: 1; } .page h1 { font: 600 clamp(30px, 5vw, 44px)/1.05 var(--serif); margin: 12px 0 8px; letter-spacing: -.02em; }
.page .card { margin-bottom: 16px; } .banner { padding: 12px 14px; border-radius: 12px; margin: 14px 0; font-size: 14px; } .banner.pending { background: #fbecc9; color: #5e4200; } .banner.approved { background: #dcefe2; color: #1f5a38; } .banner.suspended { background: #f8dcd8; color: #7a241b; }
.ptable input[type=number], .ptable input[type=text] { width: 120px; } .ptable input[type=text] { width: 200px; } .ptable td.r small { display: block; color: var(--muted); font-size: 11.5px; }
.ptable tr.bad input { border-color: var(--red); background: #fdf1ef; } .locked { opacity: .55; }
textarea { font: 15px var(--sans); width: 100%; border: 1px solid #d8cfbd; border-radius: 10px; padding: 9px 10px; min-height: 76px; color: var(--ink); background: #fff; }
.err { color: var(--red); } .okmsg { color: var(--green); } .flaglist { font-size: 13px; color: var(--muted); padding-left: 18px; }
@media (max-width: 560px) { .acct { justify-content: flex-start; } }

.vmpill { display: inline-block; margin: 8px 4px 0; padding: 6px 12px; border-radius: 99px; background: #eef7f0; border: 1px solid var(--green); color: #1f5a38; font-size: 13px; text-decoration: none; } .vmpill[hidden] { display: none; }

/* marketplace */
.cta { display: flex; gap: 14px; align-items: center; justify-content: space-between; flex-wrap: wrap; border: 1.5px dashed var(--green); border-radius: 14px; padding: 12px 14px; margin: 0 0 14px; background: #f7fbf8; }
.thread { max-height: 46vh; overflow: auto; display: flex; flex-direction: column; gap: 8px; padding: 10px; background: #f4f6f4; border-radius: 12px; margin: 10px 0; }
.bub { max-width: 82%; padding: 8px 12px; border-radius: 14px; background: #fff; border: 1px solid var(--line); font-size: 14px; white-space: pre-wrap; word-break: break-word; }
.bub small { display: block; color: var(--muted); font-size: 11px; margin-top: 3px; }
.bub.homeowner { align-self: flex-end; background: #e4f1e8; } .bub.installer { align-self: flex-start; }
.msgform { display: flex; gap: 8px; } .msgform input { flex: 1; font-size: 15px; padding: 10px 12px; }
.lead { border: 1px solid var(--line); border-radius: 14px; padding: 14px; margin-top: 12px; background: #fff; }
.lead dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 8px 14px; margin: 10px 0; }
.lead dt { font-size: 11.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; } .lead dd { margin: 0; font-weight: 600; }
.tot { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin: 10px 0 16px; } .tot div { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; background: #fff; } .tot b { display: block; font: 600 22px var(--serif); }

/* structures picker */
.structs { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 0; }
.spill { display: flex; flex-direction: column; align-items: flex-start; gap: 1px; text-align: left; padding: 8px 14px; border: 1.5px solid var(--line); background: #fff; border-radius: 12px; cursor: pointer; font: inherit; color: var(--ink); }
.spill small { color: var(--muted); font-size: 12px; } .spill.on { border-color: var(--green); background: #eef7f0; } .spill:disabled { opacity: .6; }
.structhint { margin: 8px 2px 0; }

.spillwrap { position: relative; display: inline-flex; } .spill em { color: #8a5a00; font-style: normal; font-weight: 600; }
.pillx { position: absolute; top: -7px; right: -7px; width: 22px; height: 22px; border-radius: 50%; border: 1px solid var(--line); background: #fff; color: var(--muted); font-size: 11px; line-height: 1; cursor: pointer; padding: 0; }
.pillx:hover { color: var(--red); border-color: var(--red); }
.assumednote { margin-top: 10px; font-size: 13px; }