/* SurgePV mock shell. Square chrome, blue-500 brand, neutral ramp (tokens.css).
   Every mock screen links tokens.css then shell.css, then adds at most a small page-local <style>. */
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: var(--font-sans); font-size: 14px; line-height: 1.5; background: var(--bg-surface); color: var(--text-primary); -webkit-font-smoothing: antialiased; }
a { color: var(--text-brand); }
h1, h2, h3, h4 { margin: 0 0 6px; line-height: 1.25; letter-spacing: -.01em; }
h1 { font-size: 22px; font-weight: 600; } h2 { font-size: 17px; font-weight: 600; } h3 { font-size: 14px; font-weight: 600; }
p { margin: 0 0 8px; }
.muted { color: var(--text-muted); } .sub { color: var(--text-secondary); } .small { font-size: 12.5px; }
.mono { font-family: var(--font-mono); font-size: 12px; }
.num { font-variant-numeric: tabular-nums; }
button, input, select, textarea { font: inherit; color: inherit; }

/* ---------- App shell: 44px top bar, 232px left nav, page ---------- */
.app { display: grid; grid-template-columns: 232px 1fr; grid-template-rows: 44px 1fr; min-height: 100vh; }
.topbar { grid-column: 1 / 3; display: flex; align-items: center; gap: 12px; padding: 0 14px; background: var(--bg-canvas); border-bottom: 1px solid var(--border-subtle); }
.wordmark { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; letter-spacing: -.02em; color: var(--text-primary); text-decoration: none; }
.wordmark .mark { width: 22px; height: 22px; border-radius: 50%; background:
  radial-gradient(circle at 30% 30%, #7eaedc 0 18%, transparent 19%), conic-gradient(from 0deg, var(--blue-500), var(--blue-700), var(--blue-500)); position: relative; }
.wordmark .mark::after { content: ""; position: absolute; inset: 4px; border: 1px solid rgba(255,255,255,.7); border-radius: 50%; }
.topbar .sp { flex: 1; }
.org { display: inline-flex; align-items: center; gap: 8px; height: 30px; padding: 0 10px; border: 1px solid var(--border-default); background: var(--bg-canvas); font-weight: 500; }
.org .dot { width: 8px; height: 8px; background: var(--success); }
.avatar { width: 28px; height: 28px; border-radius: 50%; background: #f59e0b; color: #fff; display: grid; place-items: center; font-weight: 600; font-size: 12px; }
.sidebar { background: var(--bg-surface-2); border-right: 1px solid var(--border-subtle); padding: 10px 8px 16px; overflow: auto; }
.sidebar h6 { margin: 12px 10px 4px; font: 500 11px var(--font-sans); letter-spacing: .06em; text-transform: uppercase; color: var(--text-muted); }
.sidebar a { display: flex; align-items: center; gap: 10px; padding: 7px 10px; color: var(--text-secondary); text-decoration: none; }
.sidebar a .ic { width: 16px; height: 16px; border: 1.5px solid currentColor; opacity: .7; flex: none; }
.sidebar a:hover { background: var(--bg-canvas); }
.sidebar a.on { background: var(--bg-canvas); color: var(--text-primary); font-weight: 500; box-shadow: inset 2px 0 0 var(--bg-brand); }
.sidebar a .count { margin-left: auto; font-size: 11px; background: var(--bg-brand-subtle); color: var(--text-brand); padding: 1px 7px; }
.page { padding: 22px 28px 40px; max-width: 1240px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head p { color: var(--text-secondary); max-width: 720px; margin: 0; }
.crumbs { font-size: 12.5px; color: var(--text-muted); margin-bottom: 6px; }
.crumbs b { color: var(--text-secondary); font-weight: 500; }

/* Project tabs under the top bar (Project > Energy / Pricing / Proposal ...) */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border-subtle); margin-bottom: 18px; }
.tabs a { padding: 9px 12px; color: var(--text-secondary); text-decoration: none; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs a.on { color: var(--text-primary); border-bottom-color: var(--bg-brand); font-weight: 500; }

/* ---------- Controls (square chrome) ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 36px; padding: 0 14px; border: 1px solid var(--border-default); background: var(--bg-canvas); color: var(--text-primary); cursor: pointer; font-weight: 500; text-decoration: none; white-space: nowrap; }
.btn:hover { background: var(--bg-surface-2); border-color: var(--border-strong); }
.btn.primary { background: var(--bg-brand); border-color: var(--bg-brand); color: #fff; }
.btn.primary:hover { background: var(--bg-brand-hover); border-color: var(--bg-brand-hover); }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.danger { color: var(--text-danger); }
.btn.sm { height: 28px; padding: 0 10px; font-size: 13px; } .btn.lg { height: 44px; padding: 0 20px; font-size: 15px; } .btn.block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label, .label { font-size: 13px; font-weight: 500; }
.hint { font-size: 12px; color: var(--text-muted); }
.input, .select, .textarea { height: 38px; padding: 0 12px; border: 1px solid var(--border-default); background: var(--bg-canvas); width: 100%; }
.textarea { height: auto; padding: 10px 12px; min-height: 84px; }
.input:focus, .select:focus, .textarea:focus, .btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; } .grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.seg { display: inline-flex; border: 1px solid var(--border-default); background: var(--bg-canvas); }
.seg button { border: 0; background: transparent; padding: 7px 12px; color: var(--text-secondary); cursor: pointer; }
.seg button.on { background: var(--bg-brand-subtle); color: var(--text-brand); font-weight: 500; }
.switch { width: 34px; height: 20px; background: var(--n300); position: relative; display: inline-block; } .switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; background: #fff; }
.switch.on { background: var(--bg-brand); } .switch.on::after { left: 16px; }
.slider { -webkit-appearance: none; width: 100%; height: 4px; background: var(--n300); }
.slider::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; background: var(--bg-brand); border: 2px solid #fff; box-shadow: 0 0 0 1px var(--bg-brand); }

/* ---------- Surfaces ---------- */
.card { background: var(--bg-canvas); border: 1px solid var(--border-subtle); padding: 16px 18px; }
.card + .card { margin-top: 14px; }
.card h3 { margin-bottom: 10px; }
.stat { display: flex; flex-direction: column; gap: 2px; } .stat .v { font-size: 22px; font-weight: 600; letter-spacing: -.02em; } .stat .k { font-size: 12px; color: var(--text-muted); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; background: var(--bg-canvas); }
.tbl th { text-align: left; font-weight: 500; font-size: 12px; color: var(--text-muted); letter-spacing: .03em; text-transform: uppercase; padding: 8px 10px; border-bottom: 1px solid var(--border-default); }
.tbl td { padding: 9px 10px; border-bottom: 1px solid var(--border-subtle); vertical-align: top; }
.tbl td.n, .tbl th.n { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tbl tr.sel td { background: var(--bg-brand-subtle); }
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; padding: 2px 8px; font-weight: 500; border: 1px solid transparent; white-space: nowrap; }
.pill.blue { background: var(--bg-brand-subtle); color: var(--text-brand); }
.pill.green { background: var(--bg-success-subtle); color: var(--text-success); border-color: var(--border-success); }
.pill.amber { background: var(--bg-warning-subtle); color: var(--text-warning); border-color: var(--border-warning); }
.pill.red { background: var(--bg-danger-subtle); color: var(--text-danger); border-color: var(--border-danger); }
.pill.grey { background: var(--bg-surface-2); color: var(--text-secondary); }
.note { padding: 10px 12px; border: 1px solid var(--border-subtle); background: var(--bg-surface-2); font-size: 13px; }
.note.warn { background: var(--bg-warning-subtle); border-color: var(--border-warning); color: var(--text-warning); }
.note.ok { background: var(--bg-success-subtle); border-color: var(--border-success); color: var(--text-success); }
.note.err { background: var(--bg-danger-subtle); border-color: var(--border-danger); color: var(--text-danger); }
.note.info { background: var(--bg-brand-subtle); border-color: #aacae9; color: var(--blue-700); }
.steps { display: flex; border: 1px solid var(--border-subtle); background: var(--bg-canvas); margin-bottom: 18px; }
.steps div { flex: 1; padding: 10px 14px; border-right: 1px solid var(--border-subtle); color: var(--text-muted); }
.steps div:last-child { border-right: 0; } .steps div b { display: block; color: var(--text-secondary); font-weight: 500; }
.steps div.on { box-shadow: inset 0 -2px 0 var(--bg-brand); color: var(--text-secondary); } .steps div.on b { color: var(--text-primary); }
.steps div.done b::before { content: "✓ "; color: var(--text-success); }
.kbd { font-family: var(--font-mono); font-size: 11px; background: var(--bg-surface-2); border: 1px solid var(--border-default); padding: 1px 5px; }
.demo-badge { position: fixed; right: 12px; bottom: 12px; font-size: 11px; letter-spacing: .04em; text-transform: uppercase; color: var(--text-muted); background: var(--bg-canvas); border: 1px solid var(--border-subtle); padding: 3px 8px; z-index: 90; }

/* ---------- States ---------- */
.empty { text-align: center; padding: 48px 20px; color: var(--text-secondary); border: 1px dashed var(--border-default); background: var(--bg-canvas); }
.empty h3 { color: var(--text-primary); }
.skel { background: linear-gradient(90deg, var(--n100), var(--n200), var(--n100)); background-size: 200% 100%; animation: sh 1.2s infinite; height: 14px; }
@keyframes sh { to { background-position: -200% 0; } }
.spinner { width: 18px; height: 18px; border: 2px solid var(--n300); border-top-color: var(--bg-brand); border-radius: 50%; display: inline-block; animation: sp 1s linear infinite; }
@keyframes sp { to { transform: rotate(360deg); } }
.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); background: var(--n900); color: #fff; padding: 10px 14px; font-size: 13px; box-shadow: var(--shadow-2); z-index: 95; }
.scrim { position: fixed; inset: 0; background: rgba(10,11,14,.35); z-index: 80; }
.modal { position: fixed; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 520px; max-width: calc(100vw - 32px); background: var(--bg-canvas); border: 1px solid var(--border-default); box-shadow: var(--shadow-3); z-index: 85; }
.modal .mh { padding: 14px 18px; border-bottom: 1px solid var(--border-subtle); font-weight: 600; }
.modal .mb { padding: 16px 18px; } .modal .mf { padding: 12px 18px; border-top: 1px solid var(--border-subtle); display: flex; gap: 8px; justify-content: flex-end; }

/* ---------- Studio layout (design canvas with left tool rail, right panel, top summary strip) ---------- */
.studio { position: relative; height: calc(100vh - 44px); background: #e9ebe6; overflow: hidden; }
.studio .canvas { position: absolute; inset: 0; background-color: #dfe3dc;
  background-image: linear-gradient(rgba(0,0,0,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(0,0,0,.05) 1px, transparent 1px); background-size: 24px 24px; }
.studio .rail { position: absolute; left: 12px; top: 68px; width: 50px; display: flex; flex-direction: column; gap: 4px; padding: 6px; background: var(--bg-canvas); border: 1px solid var(--border-subtle); border-radius: 14px; }
.studio .rail button { width: 38px; height: 38px; border: 0; background: transparent; border-radius: 10px; display: grid; place-items: center; color: var(--text-secondary); cursor: pointer; }
.studio .rail button .ic { width: 16px; height: 16px; border: 1.5px solid currentColor; }
.studio .rail button.on { background: var(--bg-brand-subtle); color: var(--text-brand); }
.studio .strip { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); display: flex; align-items: stretch; gap: 4px; padding: 6px; background: var(--bg-canvas); border: 1px solid var(--border-subtle); border-radius: 12px; }
.studio .strip .st { padding: 2px 14px; display: flex; flex-direction: column; justify-content: center; min-width: 96px; }
.studio .strip .st .v { font-weight: 600; font-size: 15px; } .studio .strip .st .k { font-size: 11px; color: var(--text-muted); }
.studio .strip .btn { align-self: center; }
.studio .panel { position: absolute; right: 12px; top: 68px; bottom: 12px; width: 384px; background: var(--bg-canvas); border: 1px solid var(--border-subtle); border-radius: 14px; display: flex; flex-direction: column; overflow: hidden; }
.studio .panel .ph { padding: 12px 16px; border-bottom: 1px solid var(--border-subtle); display: flex; align-items: center; justify-content: space-between; font-weight: 600; }
.studio .panel .pb { padding: 12px 16px 16px; overflow: auto; flex: 1; }
.studio .panel .pf { padding: 12px 16px; border-top: 1px solid var(--border-subtle); display: flex; gap: 8px; }
.studio .mode { position: absolute; left: 76px; top: 12px; }
/* roof faces for the canvas: absolutely positioned boxes with panel grids */
.roof { position: absolute; background: #c9c3b4; border: 2px solid #8f887a; }
.roof .panels { position: absolute; inset: 10px; background-image: linear-gradient(#1f2a3a 0 1px, transparent 1px), linear-gradient(90deg, #1f2a3a 0 1px, transparent 1px); background-size: 22px 38px; background-color: #26364d; opacity: .95; }
.roof .panels.dim { opacity: .35; }
.roof .lbl { position: absolute; left: 8px; top: -22px; font-size: 11px; background: var(--bg-canvas); padding: 1px 6px; border: 1px solid var(--border-subtle); white-space: nowrap; }
.heat { position: absolute; inset: 0; mix-blend-mode: multiply; pointer-events: none; }

/* ---------- Phone frame (390 wide) and WhatsApp ---------- */
.phone { width: 390px; min-height: 780px; margin: 0 auto; background: var(--bg-canvas); border: 1px solid var(--border-default); position: relative; }
.phone .status { height: 28px; display: flex; align-items: center; justify-content: space-between; padding: 0 14px; font-size: 12px; color: var(--text-muted); }
.wa { background: #efe7dd; min-height: 700px; padding: 10px 10px 70px; display: flex; flex-direction: column; gap: 6px; }
.wa-head { background: #075e54; color: #fff; padding: 10px 14px; display: flex; align-items: center; gap: 10px; }
.wa-head .av { width: 32px; height: 32px; border-radius: 50%; background: #d4e6f5; }
.bub { max-width: 82%; padding: 7px 10px; font-size: 13.5px; line-height: 1.4; background: #fff; box-shadow: 0 1px 0 rgba(0,0,0,.06); border-radius: 8px; position: relative; }
.bub.me { align-self: flex-end; background: #dcf8c6; }
.bub .t { display: block; font-size: 10px; color: #7a7e87; text-align: right; margin-top: 2px; }
.bub .doc { display: flex; gap: 10px; align-items: center; padding: 8px; background: #f4f5f7; margin-bottom: 4px; }
.bub .doc .pdf { width: 30px; height: 36px; background: #dc2626; color: #fff; font-size: 9px; display: grid; place-items: center; }
.wa-input { position: absolute; left: 0; right: 0; bottom: 0; display: flex; gap: 8px; padding: 8px 10px; background: #f0f0f0; }
.wa-input .in { flex: 1; height: 36px; border-radius: 18px; background: #fff; border: 1px solid #ddd; padding: 0 14px; display: flex; align-items: center; color: #999; }
.wa-input .send { width: 36px; height: 36px; border-radius: 50%; background: #075e54; }

/* ---------- Public (website) pages ---------- */
.site { background: var(--bg-canvas); min-height: 100vh; }
.site-nav { display: flex; align-items: center; gap: 22px; padding: 14px 40px; border-bottom: 1px solid var(--border-subtle); }
.site-nav a { color: var(--text-secondary); text-decoration: none; }
.hero { padding: 56px 40px 36px; max-width: 1100px; margin: 0 auto; }
.hero h1 { font-size: 40px; letter-spacing: -.03em; line-height: 1.1; max-width: 760px; }
.hero p.lead { font-size: 18px; color: var(--text-secondary); max-width: 640px; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 40px 60px; }