/* =====================================================
   CALCULATOR PAGE
   Builds on ui.css. Desktop: inputs left, results right
   (sticky). Tablet/phone: one column, with a dock at the
   bottom that keeps the savings figure in reach.
===================================================== */

/* ---------- top bar ---------- */

.topbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 20px var(--gutter);
}

.topbar-brand { justify-self: start; }

.topbar-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--ink-2);
}

.topbar .btn-quiet { justify-self: end; }

/* ---------- layout ---------- */

.calc {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 420px);
  align-items: start;
  gap: 32px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 8px var(--gutter) 48px;
}

.calc-inputs { display: grid; gap: 28px; }

.calc-results {
  position: sticky;
  top: 20px;
  display: grid;
  gap: 16px;
}

/* ---------- steps ---------- */

.step {
  display: grid;
  gap: 22px;
  padding: clamp(20px, 3vw, 32px);
}

.step-head { display: grid; gap: 4px; }
.step-head h2 { font-size: clamp(22px, 2.4vw, 26px); }

.mode-panel { display: grid; gap: 22px; }

.field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.segmented-sm { padding: 4px; border-radius: 12px; }
.segmented-sm button { min-height: 32px; padding: 0 14px; border-radius: 9px; font-size: 13px; }

#billValue { font-size: 20px; font-weight: 600; }

.affix-narrow { max-width: 280px; }

/* ---------- appliances ---------- */

.appliances {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.appliance {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "pic    toggle"
    "name   name"
    "inputs inputs";
  align-items: start;
  gap: 12px;
  padding: 18px;
  border-radius: var(--r-md);
  box-shadow: var(--raised-sm);
  transition: opacity 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.appliance.is-off { opacity: 0.5; box-shadow: var(--inset-sm); }

.appliance-pic {
  grid-area: pic;
  width: 96px;
  height: 96px;
  padding: 12px;
  border-radius: 20px;
  box-shadow: var(--inset-sm);
  object-fit: contain;
}

.appliance-name { grid-area: name; min-width: 0; }
.appliance-name b { display: block; font-family: var(--font-display); font-weight: 700; font-size: 19px; line-height: 1.2; }
.appliance-name span { font-size: 14px; color: var(--ink-3); }

.appliance .toggle { grid-area: toggle; }

.appliance-inputs {
  grid-area: inputs;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.appliance-inputs label { display: grid; gap: 4px; font-size: 12px; color: var(--ink-3); }

.appliance-inputs .input {
  min-height: 40px;
  padding: 0 10px;
  border-radius: 10px;
  font-size: 15px;
  box-shadow: var(--inset-sm);
}

.appliance-total {
  text-align: right;
  color: var(--ink-2);
}

.appliance-total b { color: var(--ink); font-size: 18px; }

/* ---------- notices ---------- */

.notice {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border-radius: var(--r-md);
  box-shadow: var(--inset-sm);
  font-size: 14px;
  color: var(--ink-2);
}

.notice .icon { color: #f2a900; margin-top: 1px; }

/* ---------- sunlight ---------- */

.sun-picker button {
  display: grid;
  justify-items: center;
  gap: 2px;
  min-height: 72px;
  padding: 8px 4px;
}

.sun-picker .icon { width: 22px; height: 22px; }
.sun-picker b { font-family: var(--font-data); font-size: 15px; font-weight: 600; }
.sun-picker small { font-size: 12px; font-weight: 500; color: var(--ink-3); }

/* ---------- system ---------- */

.panel-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.panel-option {
  display: grid;
  gap: 2px;
  padding: 14px 16px;
  border: 0;
  border-radius: var(--r-md);
  background: var(--surface);
  box-shadow: var(--raised-sm);
  text-align: left;
  transition: box-shadow 0.18s var(--ease);
}

.panel-option b { font-weight: 600; font-size: 15px; }
.panel-option span { font-size: 13px; color: var(--ink-3); font-family: var(--font-data); }

.panel-option[aria-pressed="true"] { box-shadow: var(--inset); }
.panel-option[aria-pressed="true"] b { color: var(--brand-ink); }

.system-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
}

.stepper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.stepper-value {
  display: grid;
  place-items: center;
  min-width: 84px;
  height: 56px;
  border-radius: 16px;
  box-shadow: var(--inset);
  font-size: 26px;
  font-weight: 600;
}

.system-meta { display: grid; gap: 2px; }
.system-meta b { font-weight: 600; font-size: 17px; }

.recommend { color: var(--ink-2); font-size: 15px; }

.recommend button {
  margin-left: 6px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--brand-ink);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- results ---------- */

.results {
  display: grid;
  gap: 20px;
  padding: clamp(22px, 3vw, 30px);
}

.results-head { display: grid; gap: 12px; }

/* solar ON/OFF demo switch */
.solar-switch {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.solar-switch > div { display: grid; gap: 2px; }
.solar-switch b { font-weight: 600; }

.solar-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.solar-toggle b {
  min-width: 2.2em;
  font-family: var(--font-data);
  font-size: 15px;
  color: var(--brand-ink);
}

.results.is-solar-off .solar-toggle b { color: var(--ink-3); }

.toggle-lg { width: 64px; height: 36px; }
.toggle-lg::before { top: 5px; left: 5px; width: 26px; height: 26px; }
.toggle-lg:checked::before { transform: translateX(28px); }

/* with solar off, the system details are what they *would* get */
.results .split,
.results .outlook,
.results .facts { transition: opacity 0.3s var(--ease); }
.results.is-solar-off .split,
.results.is-solar-off .outlook,
.results.is-solar-off .facts { opacity: 0.4; }
.results.is-solar-off .results-share { color: #d4532b; }

.results .meter { --meter-size: clamp(34px, 3.6vw, 46px); justify-self: start; }

.results-share {
  font-weight: 600;
  color: var(--brand-ink);
}

.bill-compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--r-md);
  box-shadow: var(--inset-sm);
}

.bill-compare > div { display: grid; gap: 2px; }
.bill-compare > div:last-child { text-align: right; }
.bill-compare b { font-size: 19px; font-weight: 600; }
.bill-compare .icon { color: var(--ink-3); }

.split { display: grid; gap: 10px; }

.split-bar {
  display: flex;
  height: 12px;
  padding: 2px;
  border-radius: 999px;
  box-shadow: var(--inset-sm);
  overflow: hidden;
}

.split-bar span {
  height: 100%;
  border-radius: 999px;
  transition: flex-basis 0.5s var(--ease);
}

.split-self   { background: var(--brand); }
.split-battery { background: #22a06b; margin-left: 2px; }
.split-export { background: var(--brand-accent); margin-left: 2px; }

.split-legend {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--ink-2);
}

.split-legend li { display: flex; align-items: center; gap: 8px; }
.split-legend b { margin-left: auto; color: var(--ink); font-weight: 600; }

.dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.dot-self   { background: var(--brand); }
.dot-battery { background: #22a06b; }
.dot-export { background: var(--brand-accent); }

.outlook { display: grid; gap: 10px; }
.outlook .segmented button { font-size: 13px; }

.facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 16px;
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid color-mix(in srgb, var(--shade) 70%, transparent);
}

.facts dt { font-size: 13px; color: var(--ink-3); }
.facts dd { margin: 2px 0 0; font-size: 18px; font-weight: 600; }
.facts .fact-wide { grid-column: 1 / -1; }
.facts .fact-wide dd { font-family: var(--font-body); font-size: 16px; }
.fact-note { display: block; margin-top: 2px; font-size: 12px; color: var(--ink-3); }

/* battery step */
.battery-options .panel-option small { font-size: 12px; color: var(--ink-3); font-family: var(--font-body); }

.backup-result {
  padding: 14px 16px;
  border-radius: var(--r-md);
  box-shadow: var(--inset-sm);
  font-size: 15px;
  color: var(--ink-2);
}

.backup-result b { color: var(--ink); }
#backupLoads .chip { font-family: var(--font-body); font-size: 14px; }

.results-actions { display: grid; gap: 12px; }

/* the agent whose link or QR code the customer came through */
.consultant {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--r-md);
  box-shadow: var(--inset-sm);
}
.consultant[hidden] { display: none; }
.consultant-avatar {
  display: grid;
  place-items: center;
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.02em;
}
.consultant-text { display: grid; gap: 1px; min-width: 0; }
.consultant-text span { font-size: 13px; color: var(--ink-3); }
.consultant-text b { font-size: 17px; overflow-wrap: anywhere; }

.contact-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
}

.proposal-title { font-size: 22px; }

.assumptions {
  padding: 0 6px;
  font-size: 14px;
  color: var(--ink-2);
}

.assumptions summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--brand-ink);
  padding: 6px 0;
}

.assumptions ul {
  display: grid;
  gap: 6px;
  margin: 8px 0 0;
  padding-left: 18px;
  font-size: 13px;
  color: var(--ink-3);
}

/* ---------- phone dock ---------- */

.dock {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: calc(12px + env(safe-area-inset-bottom));
  z-index: 20;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 10px 10px 18px;
  border-radius: 20px;
  background: var(--surface);
  box-shadow: 0 10px 30px rgba(30, 42, 56, 0.22), -4px -4px 12px var(--light);
  transform: translateY(140%);
  transition: transform 0.3s var(--ease);
}

.dock > div { display: grid; line-height: 1.25; }
.dock b { font-size: 20px; font-weight: 600; }
.dock.show { transform: none; }

/* ---------- footer ---------- */

.page-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--gutter) 32px;
}

/* ---------- breakpoints ---------- */

@media (max-width: 520px) {
  .sun-picker { display: grid; grid-template-columns: 1fr 1fr; }
  .appliances { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .appliance { padding: 14px; gap: 10px; }
  .appliance-pic { width: 72px; height: 72px; padding: 9px; border-radius: 16px; }
  .appliance-name b { font-size: 16px; }
  .appliance-inputs { grid-template-columns: 1fr; }
}

@media (max-width: 920px) {
  .calc { grid-template-columns: minmax(0, 1fr); }
  .calc-results { position: static; }
  .appliances { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dock { display: flex; }
  .page-foot { padding-bottom: 110px; }
}

@media (max-width: 680px) {
  .topbar { grid-template-columns: 1fr auto; padding-top: 14px; padding-bottom: 14px; }
  .topbar-title { display: none; }
  .topbar .logo { height: calc(34px * var(--logo-scale, 1)); }
  .topbar .btn-quiet span { display: none; }

  .calc { gap: 20px; }
  .calc-inputs { gap: 20px; }

  .sun-picker { gap: 2px; padding: 4px; }
  .sun-picker button { min-height: 64px; padding: 6px 2px; }
  .sun-picker small { font-size: 11px; }

  .facts dd { font-size: 16px; }
}

@media (max-width: 380px) {
  .sun-picker small { display: none; }
  .facts { grid-template-columns: 1fr; }
}

/* ---------- recalibration: every screen size ---------- */

/* nothing may push the page wider than the screen */
.calc-inputs > *, .calc-results > *, .step > *, .results > * { min-width: 0; }
.field-row { flex-wrap: wrap; }

/* small phones (iPhone SE, older Androids) */
@media (max-width: 360px) {
  .step { padding: 18px 14px; gap: 18px; }
  .results { padding: 18px 14px; }
  .step-head h2 { font-size: 20px; }
  .segmented button { padding: 0 6px; font-size: 13px; }
  .chips { gap: 8px; }
  .chip { padding: 0 11px; }
  .bill-compare { padding: 12px; gap: 8px; }
  .bill-compare b { font-size: 16px; }
  .results .meter { --meter-size: 30px; }
  .stepper-value { min-width: 70px; font-size: 22px; }
  .dock { left: 8px; right: 8px; padding-left: 14px; }
  .dock b { font-size: 17px; }
  .dock .btn { padding: 0 14px; }
}

/* phones turned sideways: inputs and results side by side, no dock */
@media (orientation: landscape) and (max-height: 520px) and (min-width: 640px) {
  .topbar { padding-top: 10px; padding-bottom: 10px; }
  .topbar .logo { height: calc(32px * var(--logo-scale, 1)); }
  .calc { grid-template-columns: minmax(0, 1fr) minmax(280px, 340px); gap: 16px; }
  .calc-results {
    position: sticky;
    top: 10px;
    max-height: calc(100dvh - 20px);
    overflow-y: auto;
    padding: 12px;
    margin: -12px;
    scrollbar-width: thin;
  }
  .results { padding: 18px; gap: 14px; }
  .results .meter { --meter-size: 30px; }
  .dock { display: none; }
  .page-foot { padding-bottom: 24px; }
}

/* large screens: use the extra width instead of empty margins */
@media (min-width: 1500px) {
  .topbar, .calc, .page-foot { max-width: 1400px; }
  .calc { grid-template-columns: minmax(0, 1fr) minmax(400px, 470px); gap: 40px; }
}

/* very tall, narrow screens keep the results reachable */
@media (min-width: 921px) and (max-height: 760px) {
  .calc-results { max-height: calc(100dvh - 16px); overflow-y: auto; padding: 12px; margin: -12px; scrollbar-width: thin; }
}