/* MyBigBill Design System — single source of truth for tokens and base components.
 * Link this before any page-specific styles.
 * Fonts (load once in <head>):
 *   Fraunces (display numerics, headings), Inter (body/UI), JetBrains Mono (data/labels)
 */

:root {
  /* Surfaces */
  --paper: #FAF8F3;
  --card:  #FFFFFF;
  --line:  #E7E3D8;
  --line-soft: #EFECE3;

  /* Text */
  --ink:      #16241D;
  --ink-soft: #46544C;
  --muted:    #6E7A72;

  /* Brand */
  --green:       #1E5631;
  --green-bright:#2E7D32;
  --green-wash:  #EAF1EA;

  /* Semantic: peak = expensive = warm; off-peak = cheap = green */
  --clay:      #B45F3D;
  --clay-wash: #F4E7DF;

  /* Peak hour cost (TOU ribbon, legend, tick) - distinct from --clay warnings */
  --peak:      #7A3030;
  --peak-wash: #F0E3E3;

  /* Accents */
  --bronze: #9A7B4F;
  --gold:   #C9A24B;

  /* Brand green — extended for dark surfaces */
  --green-on-dark: #7FB08A;   /* accessible green text/icon on espresso */
  --green-glow:    rgba(46,125,50,.18);

  /* Dark mode: marketing surfaces (hero, solar band, final CTA) */
  --espresso:       #1C140F;  /* near-black brown page bg */
  --espresso-2:     #241A13;  /* raised card on espresso */
  --espresso-line:  #3A2B20;  /* hairline border on espresso */
  --cream:          #F4EFE6;  /* primary text on dark */
  --cream-soft:     #C9BCAD;  /* muted text on dark */

  /* Shadow / geometry */
  --shadow:    0 1px 2px rgba(22,36,29,.04), 0 8px 24px rgba(22,36,29,.05);
  --shadow-lg: 0 2px 6px rgba(22,36,29,.05), 0 24px 60px rgba(0,0,0,.18);
  --radius: 14px;

  /* Legacy aliases — kept so existing JS-generated HTML keeps working */
  --navy:          var(--green);
  --forest:        var(--green);
  --savings-green: var(--green-bright);
  --cream:         var(--paper);
  --cream-dark:    #EFECE3;
  --text-primary:  var(--ink);
  --text-secondary:var(--ink-soft);
  --text-muted:    var(--muted);
  --border:        var(--line);
  --border-light:  var(--line-soft);
  --red-500:       #C0392B;
  --red-700:       #922B21;
  --emerald-500:   var(--green);
  --amber-500:     var(--clay);
  --lime-400:      var(--green-bright);
  --stone-400:     var(--muted);
  --stone-600:     var(--ink-soft);
}

/* ── Reset ────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography helpers ───────────────────────────────────────── */
.num  { font-family: 'Fraunces', serif; font-weight: 500; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.mono { font-family: 'JetBrains Mono', monospace; font-variant-numeric: tabular-nums; }
.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--bronze);
}
.muted { color: var(--muted); }

/* ── Nav (sticky, translucent) ────────────────────────────────── */
.mbb-nav {
  background: rgba(250,248,243,.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 40;
}
.mbb-nav-inner {
  max-width: 1080px; margin: 0 auto;
  padding: 13px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.mbb-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Fraunces', serif; font-weight: 600; font-size: 19px;
  color: var(--ink); text-decoration: none;
}
.mbb-logo-mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--green); color: #fff;
  display: flex; align-items: center; justify-content: center;
  flex: none;
}
.mbb-nav-actions { display: flex; gap: 14px; align-items: center; }

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  border: none; cursor: pointer;
  font-family: 'Inter', sans-serif; font-weight: 600;
  border-radius: 10px;
  transition: transform .12s, box-shadow .12s;
  text-decoration: none;
}
.btn:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
.btn-primary {
  background: var(--green); color: #fff;
  padding: 11px 18px; font-size: 14px;
  box-shadow: 0 6px 16px rgba(30,86,49,.20);
}
.btn-primary:hover { transform: translateY(-1px); }
.btn-ghost {
  background: transparent; color: var(--ink-soft);
  padding: 11px 16px; font-size: 14px; font-weight: 500;
}
.btn-large {
  padding: 15px 30px; font-size: 15px; border-radius: 11px;
  box-shadow: 0 6px 18px rgba(30,86,49,.22);
}
.btn-large:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(30,86,49,.28); }

/* ── Layout helpers ───────────────────────────────────────────── */
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ── Summary strip (4 stat cards) ────────────────────────────── */
.summary {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 14px; margin-bottom: 14px;
}
.stat {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px 18px 16px;
  box-shadow: var(--shadow);
}
.stat .label {
  font-size: 11.5px; font-weight: 600; letter-spacing: .07em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 10px;
}
.stat .value { display: flex; align-items: baseline; gap: 6px; }
.stat .value .big { font-family: 'Fraunces', serif; font-weight: 500; font-size: 34px; line-height: 1; color: var(--ink); }
.stat .value .unit { font-size: 14px; color: var(--muted); font-weight: 500; }
.stat .foot { font-size: 12.5px; color: var(--muted); margin-top: 9px; }
.stat.accent .value .big { color: var(--green); }
.stat .plan-tag {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600; font-size: 22px; color: var(--green);
}
.stat .plan-tag.plan-badge-warn {
  font-size: 14px; color: var(--clay);
  background: var(--clay-wash); border-radius: 6px; padding: 3px 8px;
}
.stat .plan-tag.plan-badge-info {
  color: var(--muted); font-size: 22px;
}

.mbb-banner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-family: 'Inter', sans-serif;
}
.mbb-banner--info {
  background: #FDF6E3;
  border: 1px solid #E8D9A8;
}
.mbb-banner__text strong {
  font-family: 'Fraunces', serif;
}

/* ── Panel ────────────────────────────────────────────────────── */
.panel {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 24px 26px; margin-top: 14px;
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; margin-bottom: 20px;
}
.panel-head h2 {
  font-family: 'Fraunces', serif; font-weight: 500; font-size: 19px;
  letter-spacing: -.01em;
}
.panel-head .hint { font-size: 12.5px; color: var(--muted); }

/* ── Signature: cost ribbon ───────────────────────────────────── */
.ribbon {
  display: flex; width: 100%; height: 46px;
  border-radius: 9px; overflow: hidden; border: 1px solid var(--line);
}
.ribbon .seg { display: flex; align-items: center; justify-content: center; }
.ribbon .seg .seg-lab {
  font-family: 'JetBrains Mono', monospace; font-size: 12px; font-weight: 600;
  color: #fff; white-space: nowrap; padding: 0 8px;
}
.seg.peak { background: var(--peak); }
.seg.off  { background: var(--green); }
.seg.base { background: var(--bronze); }
.ribbon-key { display: flex; gap: 20px; margin-top: 14px; flex-wrap: wrap; }
.keyitem { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-soft); }
.keyitem .sw { width: 11px; height: 11px; border-radius: 3px; }
.sw.peak { background: var(--peak); }
.sw.off  { background: var(--green); }
.sw.base { background: var(--bronze); }

/* Line-item table */
.lines { margin-top: 22px; border-top: 1px solid var(--line-soft); }
.line {
  display: grid; grid-template-columns: 18px 1fr auto auto;
  align-items: center; gap: 14px;
  padding: 14px 2px; border-bottom: 1px solid var(--line-soft);
}
.line .tick { width: 11px; height: 11px; border-radius: 3px; flex: none; }
.tick.peak { background: var(--peak); }
.tick.off  { background: var(--green); }
.tick.base { background: var(--bronze); }
.line .desc .t { font-weight: 550; font-size: 14.5px; }
.line .desc .s { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.line .rate { font-size: 13px; color: var(--ink-soft); text-align: right; min-width: 130px; }
.line .rate .small { font-size: 11px; color: var(--muted); display: block; }
.line .amt { font-family: 'Fraunces', serif; font-weight: 500; font-size: 17px; text-align: right; min-width: 90px; }
.line.total { border-bottom: none; padding-top: 16px; }
.line.total .desc .t { font-weight: 600; }
.line.total .amt { font-size: 20px; color: var(--green); }

.reconcile {
  margin-top: 14px; font-size: 12.5px; color: var(--muted);
  display: flex; align-items: center; gap: 8px;
}
.reconcile svg { flex: none; }

/* ── Free insight banner ──────────────────────────────────────── */
.insight {
  display: flex; gap: 16px; align-items: flex-start;
  background: linear-gradient(135deg, #16241D, #1E3A2A);
  color: #EAF1EA; border-radius: var(--radius);
  padding: 22px 24px; margin-top: 14px;
}
.insight .ico {
  width: 40px; height: 40px; border-radius: 11px;
  background: rgba(201,162,75,.18); color: var(--gold);
  display: flex; align-items: center; justify-content: center; flex: none;
}
.insight h2 { font-family: 'Fraunces', serif; font-weight: 500; font-size: 18px; color: #fff; }
.insight p { font-size: 14px; color: #C8D6CC; margin-top: 5px; max-width: 64ch; }

/* ── NEM warning (clay) ───────────────────────────────────────── */
.nem {
  display: flex; gap: 16px; align-items: flex-start;
  border: 1px solid #E6C9B6; background: var(--clay-wash);
  border-radius: var(--radius); padding: 22px 24px; margin-top: 14px;
}
.nem .ico {
  width: 40px; height: 40px; border-radius: 11px;
  background: #fff; color: var(--clay);
  display: flex; align-items: center; justify-content: center;
  flex: none; border: 1px solid #E6C9B6;
}
.nem h2 { font-family: 'Fraunces', serif; font-weight: 500; font-size: 18px; color: #7A3D24; }
.nem p { font-size: 13.5px; color: #6B4231; margin-top: 5px; max-width: 60ch; }
.nem .proj { font-family: 'Fraunces', serif; font-weight: 600; font-size: 24px; color: var(--clay); margin-top: 10px; }

/* ── Rate comparison ──────────────────────────────────────────── */
.compare {
  display: grid; grid-template-columns: 1fr auto 1fr;
  gap: 18px; align-items: stretch;
}
.planbox {
  border: 1px solid var(--line); border-radius: 12px;
  padding: 20px; background: #FCFBF7;
}
.planbox.best { border-color: var(--green); background: var(--green-wash); }
.planbox .pl {
  font-family: 'JetBrains Mono', monospace; font-size: 11px; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase; color: var(--muted);
}
.planbox.best .pl { color: var(--green); }
.planbox .pn { font-family: 'JetBrains Mono', monospace; font-weight: 600; font-size: 22px; margin-top: 8px; }
.planbox .pc { font-family: 'Fraunces', serif; font-weight: 500; font-size: 26px; margin-top: 14px; }
.planbox .pc span { font-size: 13px; color: var(--muted); font-family: 'Inter', sans-serif; }
.compare .arrow {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
}
.compare .arrow .save {
  font-family: 'Fraunces', serif; font-weight: 600; font-size: 18px;
  color: var(--green); white-space: nowrap;
}
.compare .arrow .lab { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }

/* ── Anomalies / bill checks ──────────────────────────────────── */
.anoms { display: flex; flex-direction: column; gap: 10px; }
.anom {
  display: flex; gap: 13px; align-items: flex-start;
  padding: 14px 16px; border: 1px solid var(--line);
  border-radius: 11px; background: #FCFBF7;
}
.anom .a-ico {
  width: 32px; height: 32px; border-radius: 9px;
  background: var(--green-wash); color: var(--green);
  display: flex; align-items: center; justify-content: center; flex: none;
}
.anom .a-ico.warn { background: var(--clay-wash); color: var(--clay); }
.anom .a-t { font-weight: 550; font-size: 14px; }
.anom .a-s { font-size: 12.5px; color: var(--muted); margin-top: 2px; }

/* ── Recommendations ──────────────────────────────────────────── */
.recs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.rec {
  border: 1px solid var(--line); border-radius: 12px;
  padding: 18px; background: #FCFBF7;
  display: flex; flex-direction: column;
}
.rec-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 9px; }
.rec h3 { font-size: 15px; font-weight: 600; letter-spacing: -.005em; }
.conf {
  font-family: 'JetBrains Mono', monospace; font-size: 10px; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase; padding: 4px 8px; border-radius: 999px;
  white-space: nowrap; flex: none;
}
.conf.high { background: var(--green-wash); color: var(--green); }
.conf.med  { background: #F3EEDF; color: var(--bronze); }
.conf.low  { background: #F0EFEE; color: var(--muted); }
.rec p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.5; }
.rec .est { margin-top: 12px; display: flex; align-items: baseline; gap: 7px; font-size: 13px; color: var(--muted); }
.rec .est b { font-family: 'Fraunces', serif; font-weight: 600; font-size: 18px; color: var(--green); }

/* ── Save-results card ────────────────────────────────────────── */
.save-card {
  background: linear-gradient(135deg, #1E5631, #2E7D32);
  border-radius: 18px; padding: 34px; color: #fff;
  display: grid; grid-template-columns: 1fr auto;
  gap: 26px; align-items: center; margin-top: 18px;
}
.save-card h2 { font-family: 'Fraunces', serif; font-weight: 500; font-size: 23px; color: #fff; }
.save-card p { font-size: 14px; color: #D8E8DC; margin-top: 6px; max-width: 48ch; }
.save-form { display: flex; gap: 10px; flex-wrap: wrap; }
.save-form input {
  font-family: 'Inter', sans-serif; font-size: 15px;
  padding: 13px 16px; border: none; border-radius: 10px; min-width: 220px;
}
.save-form input:focus { outline: 3px solid var(--gold); outline-offset: 2px; }

/* ── Email capture (processing wait + results opt-in) ─────────── */
.mbb-wait-capture {
  margin-top: 24px; padding: 18px 20px;
  background: #FCFBF7; border: 1px solid var(--line);
  border-radius: var(--radius); text-align: center;
}
.mbb-wait-capture__label { font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 12px; }
.mbb-wait-capture__row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.mbb-wait-capture__hint { font-size: 12.5px; color: var(--muted); margin-top: 10px; }
.mbb-wait-capture__confirm { font-size: 14px; font-weight: 600; color: var(--green); }

.mbb-input {
  font-family: 'Inter', sans-serif; font-size: 15px;
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  min-width: 220px; background: #fff; color: var(--ink);
}
.mbb-input:focus { outline: 3px solid var(--gold); outline-offset: 2px; border-color: var(--green); }

.mbb-btn-secondary {
  font-family: 'Inter', sans-serif; font-weight: 600; font-size: 14px;
  padding: 12px 18px; border-radius: 10px; border: 1px solid var(--green);
  background: #fff; color: var(--green); cursor: pointer; transition: background .12s;
}
.mbb-btn-secondary:hover { background: var(--green-wash); }
.mbb-btn-secondary:disabled { opacity: .6; cursor: not-allowed; }

.mbb-btn-primary {
  font-family: 'Inter', sans-serif; font-weight: 600; font-size: 14px;
  padding: 13px 20px; border-radius: 10px; border: none;
  background: var(--green); color: #fff; cursor: pointer;
  box-shadow: 0 6px 16px rgba(30,86,49,.20); transition: transform .12s;
}
.mbb-btn-primary:hover { transform: translateY(-1px); }
.mbb-btn-primary:disabled { opacity: .6; cursor: not-allowed; transform: none; }

.mbb-capture-card {
  background: #FCFBF7; border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 24px 26px; margin-top: 18px; text-align: left;
}
.mbb-capture-card__title { font-family: 'Fraunces', serif; font-weight: 500; font-size: 19px; color: var(--ink); }
.mbb-capture-card__body { font-size: 14px; color: var(--ink-soft); margin-top: 6px; max-width: 56ch; }
.mbb-capture-card .mbb-input { width: 100%; margin-top: 14px; }
.mbb-checkbox-row {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--ink-soft); margin-top: 12px;
}
.mbb-capture-card .mbb-btn-primary { margin-top: 16px; }
.mbb-capture-card__fineprint { font-size: 12px; color: var(--muted); margin-top: 10px; }

.mbb-capture-confirm {
  display: flex; align-items: center; gap: 8px;
  background: var(--green-wash); color: var(--green);
  border-radius: var(--radius); padding: 16px 20px;
  font-size: 14px; font-weight: 600; margin-top: 18px;
}
.mbb-capture-confirm svg { flex: none; width: 18px; height: 18px; }

/* ── Chip / period badge ──────────────────────────────────────── */
.period-chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 999px; padding: 8px 14px;
  font-size: 13px; color: var(--ink-soft); box-shadow: var(--shadow);
}
.period-chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green-bright); }

/* ── Loading spinner ──────────────────────────────────────────── */
.mbb-loading { text-align: center; padding: 100px 24px; }
.mbb-spinner {
  width: 36px; height: 36px; border: 3px solid var(--line);
  border-top-color: var(--green); border-radius: 50%;
  animation: mbb-spin .8s linear infinite; margin: 0 auto 18px;
}
@keyframes mbb-spin { to { transform: rotate(360deg); } }

/* ── Entrance animation ───────────────────────────────────────── */
.rise { opacity: 0; transform: translateY(10px); animation: mbb-rise .55s cubic-bezier(.2,.7,.2,1) forwards; }
.d1 { animation-delay: .04s; }
.d2 { animation-delay: .10s; }
.d3 { animation-delay: .16s; }
.d4 { animation-delay: .22s; }
.d5 { animation-delay: .28s; }
@keyframes mbb-rise { to { opacity: 1; transform: none; } }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 880px) {
  .summary { grid-template-columns: 1fr 1fr; }
  .compare { grid-template-columns: 1fr; gap: 12px; }
  .compare .arrow { flex-direction: row; gap: 12px; }
  .recs { grid-template-columns: 1fr; }
  .save-card { grid-template-columns: 1fr; text-align: center; }
  .save-form { justify-content: center; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .summary { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat .value .big { font-size: 26px; }
  .ribbon .seg .seg-lab { font-size: 10px; }
  .line { grid-template-columns: 14px 1fr auto; gap: 10px; }
  .line .rate { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .rise { animation: none; opacity: 1; transform: none; }
  .btn { transition: none; }
  .mbb-spinner { animation: none; }
}

#freeInsight {
  margin-bottom: 28px;
}

#billMeta > * {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(22, 36, 29, 0.04);
  border-radius: 12px;
}
