:root {
  --bg: #06080d;
  --panel: rgba(13, 16, 23, 0.84);
  --panel-border: rgba(255, 255, 255, 0.08);
  --card: rgba(255, 255, 255, 0.03);
  --text: #eaf0ff;
  --muted: #aab3c6;
  --accent: #5ea7ff;
  --accent-2: #79f5dc;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.34);
  --radius: 16px;
  --radius-sm: 12px;

  --ring: #66a5ff;
  --ring-muted: rgba(130, 150, 190, 0.25);
  --ring-track: rgba(255,255,255,0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  font-family: "Inter", system-ui, sans-serif;
  background: radial-gradient(circle at 20% 20%, #12192a 0%, #07090d 45%, #05070a 100%);
  color: var(--text);
}

.bg-glow {
  position: fixed;
  border-radius: 999px;
  filter: blur(70px);
  opacity: 0.22;
  pointer-events: none;
  z-index: 0;
}

.glow-1 {
  width: 340px;
  height: 340px;
  left: -60px;
  top: -50px;
  background: #4f8cff;
}

.glow-2 {
  width: 380px;
  height: 380px;
  right: -80px;
  bottom: -70px;
  background: #2dd6c0;
}

.app {
  position: relative;
  z-index: 1;
  height: 100vh;
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 14px;
  padding: 14px;
  transition: grid-template-columns .45s cubic-bezier(.2,.9,.2,1);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  padding: 14px;
  overflow-y: auto;
  transition: transform .45s cubic-bezier(.2,.9,.2,1), opacity .35s ease;
}

.panel-header h1 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
}

.panel-header p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.45;
}

.card {
  margin-top: 12px;
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 12px;
}

.card-title {
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: 10px;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.field-full { grid-column: 1 / -1; }

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 10px;
}

.field:last-child { margin-bottom: 0; }

.field span {
  font-size: 0.78rem;
  color: var(--muted);
}

.field input,
.field select,
.comp-controls input,
.comp-controls select {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--text);
  outline: none;
  transition: border-color .18s ease, box-shadow .18s ease;
}

.field input:focus,
.field select:focus,
.comp-controls input:focus,
.comp-controls select:focus {
  border-color: rgba(94,167,255,0.7);
  box-shadow: 0 0 0 4px rgba(94,167,255,0.15);
}

.btn {
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .12s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, opacity .2s ease;
}

.btn:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.15);
}

.btn:active { transform: translateY(1px); }

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  width: 100%;
  margin-top: 2px;
  background: linear-gradient(135deg, rgba(94,167,255,0.23), rgba(121,245,220,0.15));
  border-color: rgba(94,167,255,0.45);
}

.btn-primary:hover {
  background: linear-gradient(135deg, rgba(94,167,255,0.28), rgba(121,245,220,0.20));
}

.btn-accent {
  background: linear-gradient(135deg, rgba(121,245,220,0.18), rgba(94,167,255,0.18));
  border-color: rgba(121,245,220,0.35);
}

.meta-line {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.82rem;
}

.component-rows {
  display: grid;
  gap: 9px;
}

.comp-row {
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  background: rgba(255,255,255,0.015);
  padding: 8px;
  transition: border-color .18s ease, background .18s ease;
}

.comp-row.active {
  border-color: rgba(94,167,255,0.35);
  background: rgba(94,167,255,0.06);
}

.comp-top {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;
  align-items: center;
}

.comp-toggle {
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 12px;
  min-width: 120px;
  font-weight: 700;
  cursor: pointer;
  transition: all .16s ease;
}

.comp-toggle:hover { background: rgba(255,255,255,0.06); }

.comp-toggle.active {
  border-color: rgba(94,167,255,0.65);
  background: rgba(94,167,255,0.14);
  box-shadow: inset 0 0 0 1px rgba(94,167,255,0.18);
}

.comp-summary {
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.3;
}

.comp-controls {
  margin-top: 8px;
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 8px;
}

.comp-controls.hidden { display: none; }

.comp-controls label {
  font-size: 0.72rem;
  color: var(--muted);
}

.help-text {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.4;
}

.actions-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.status-card { margin-bottom: 4px; }

.status-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
}

.status-line + .status-line {
  border-top: 1px solid rgba(255,255,255,0.06);
}

.status-label {
  color: var(--muted);
  font-size: 0.8rem;
}

.status-value {
  font-weight: 600;
  font-size: 0.82rem;
  text-align: right;
}

.viewer-shell {
  position: relative;
  min-width: 0;
  background: rgba(8, 10, 14, 0.7);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  will-change: width, height, transform, left, top;
  transition:
    transform .5s cubic-bezier(.2,.9,.2,1),
    opacity .35s ease,
    width .5s cubic-bezier(.2,.9,.2,1),
    height .5s cubic-bezier(.2,.9,.2,1),
    left .5s cubic-bezier(.2,.9,.2,1),
    top .5s cubic-bezier(.2,.9,.2,1);
}

.viewer-topbar {
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  pointer-events: none;
}

.top-pill {
  pointer-events: auto;
  background: rgba(10, 12, 16, 0.62);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 999px;
  padding: 7px 11px;
  font-size: 0.76rem;
  color: #f5f8ff;
  backdrop-filter: blur(8px);
  white-space: nowrap;
}

.top-pill.subtle { color: var(--muted); }

#viewer3d {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 18%, rgba(122,147,255,0.35), transparent 44%),
    radial-gradient(circle at 82% 84%, rgba(56,212,190,0.25), transparent 46%),
    linear-gradient(180deg, #1a2536, #141d2b 60%, #0d131f);
}

canvas { display: block; }

#viewer3d canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

.viewer-footer {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 3;
  display: grid;
  gap: 8px;
}

.viewer-footer-note {
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
  background: rgba(10, 12, 16, 0.45);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 999px;
  padding: 6px 10px;
  backdrop-filter: blur(8px);
}

select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, rgba(240,245,255,0.7) 50%),
    linear-gradient(135deg, rgba(240,245,255,0.7) 50%, transparent 50%),
    linear-gradient(to right, rgba(255,255,255,0.08), rgba(255,255,255,0.08));
  background-position:
    calc(100% - 18px) calc(50% - 3px),
    calc(100% - 12px) calc(50% - 3px),
    calc(100% - 40px) 50%;
  background-size: 6px 6px, 6px 6px, 1px 18px;
  background-repeat: no-repeat;
  padding-right: 48px;
}

select option {
  background: #0b0f17;
  color: #eef3ff;
}

/* ---------- Scenario mode layout ---------- */
.scenario-stage {
  position: fixed;
  inset: 14px;
  z-index: 6;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity .45s ease, transform .45s cubic-bezier(.2,.9,.2,1);
}

.scenario-stage[aria-hidden="false"] {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.scenario-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  background: rgba(10, 12, 16, 0.65);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.scenario-title h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 850;
}

.scenario-title p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.scenario-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 12px;
  height: calc(100% - 92px);
}

.scenario-left,
.scenario-right {
  min-height: 0;
  display: grid;
  gap: 12px;
}

.scenario-card {
  background: rgba(13, 16, 23, 0.78);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  padding: 14px;
  overflow: auto;
}

.scenario-card-title {
  font-weight: 800;
  font-size: 0.98rem;
  margin-bottom: 12px;
  letter-spacing: 0.2px;
}

.scenario-list {
  display: grid;
  gap: 12px;
  margin-bottom: 12px;
}

.comp-scenarios {
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  padding: 10px;
  background: rgba(255,255,255,0.02);
}

.comp-scenarios-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
  cursor: pointer;
  padding: 6px 6px;
  border-radius: 12px;
}

.comp-scenarios-header:hover {
  background: rgba(255,255,255,0.03);
}

.comp-scenarios-name { font-weight: 850; }

.comp-scenarios-area {
  color: var(--muted);
  font-size: 0.8rem;
}

.ring-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.ring-item {
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  padding: 10px;
  background: rgba(255,255,255,0.018);
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, border-color .2s ease, opacity .2s ease;
  user-select: none;
}

.ring-item:hover {
  transform: translateY(-1px);
  background: rgba(255,255,255,0.03);
}

.ring-item.selected {
  border-color: rgba(94,167,255,0.55);
  background: rgba(94,167,255,0.10);
}

.ring-item.faded { opacity: 0.35; }

.ring-title {
  margin-top: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #f1f6ff;
  line-height: 1.25;
}

.ring-sub {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.72rem;
}

.donut {
  width: 84px;
  height: 84px;
  margin: 0 auto;
}

svg .donut-progress {
  transition: stroke-dashoffset 900ms cubic-bezier(.2,.9,.2,1);
  filter: drop-shadow(0 8px 12px rgba(94,167,255,0.18));
}

.scenario-desc {
  color: #e9efff;
  font-size: 0.95rem;
  line-height: 1.6;
}

.scenario-desc .desc-title {
  font-weight: 900;
  margin-bottom: 14px;
}

.scenario-desc .desc-item {
  padding: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  background: rgba(255,255,255,0.02);
  margin-bottom: 10px;
}

.scenario-desc .desc-item:last-child { margin-bottom: 0; }

.scenario-desc .desc-s {
  font-weight: 800;
  margin-bottom: 6px;
}

.scenario-desc .desc-b {
  color: rgba(234,240,255,0.92);
}

/* ---------- Professional result summary ---------- */
.result-main-title {
  font-size: 1.02rem;
  font-weight: 900;
  letter-spacing: 0.2px;
  margin-bottom: 14px;
}

.result-summary-card {
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.015));
  padding: 16px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.04),
    0 10px 30px rgba(0,0,0,0.18);
}

.result-summary-top {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 14px;
  margin-bottom: 16px;
}

.result-room-block,
.result-area-block,
.result-components-block {
  border: 1px solid rgba(255,255,255,0.07);
  background: rgba(255,255,255,0.025);
  border-radius: 16px;
  padding: 14px;
}

.result-label {
  font-size: 0.73rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 8px;
}

.result-room-name {
  font-size: 1.18rem;
  font-weight: 900;
  color: #f7f9ff;
  line-height: 1.35;
}

.result-area-value {
  font-size: 1.35rem;
  font-weight: 900;
  color: #79f5dc;
  line-height: 1.2;
}

.result-components-block {
  padding: 16px;
}

.result-components-list {
  display: grid;
  gap: 10px;
}

.result-comp-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.018));
  border: 1px solid rgba(255,255,255,0.06);
}

.result-comp-name {
  font-size: 0.95rem;
  font-weight: 800;
  color: #eef3ff;
}

.result-comp-value {
  font-size: 0.95rem;
  font-weight: 900;
  color: #ffffff;
  white-space: nowrap;
}

.result-empty {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 8px 2px;
}

/* ---------- Total card ---------- */
.total-card.hidden { display: none; }

.total-card {
  height: 100%;
  overflow-y: auto;
}

.total-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
  padding: 8px 0 12px;
}

.total-donut {
  display: flex;
  justify-content: center;
  align-items: center;
}

.total-donut .donut {
  width: 220px;
  height: 220px;
}

.total-metrics {
  width: 100%;
  max-width: 460px;
  display: grid;
  gap: 14px;
  text-align: center;
}

.metric {
  padding: 14px 16px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.018));
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
}

.metric-label {
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 6px;
  font-weight: 700;
}

.metric-value {
  font-size: 2.05rem;
  font-weight: 900;
  letter-spacing: 0.2px;
  line-height: 1.15;
}

.metric.savings {
  border-color: rgba(121,245,220,0.22);
  background: linear-gradient(180deg, rgba(121,245,220,0.06), rgba(255,255,255,0.02));
}

.metric.savings .metric-label {
  color: #b9fff3;
}

.metric.savings .metric-value {
  color: #79f5dc;
  font-size: 2.15rem;
  font-weight: 900;
}

.total-actions {
  margin-top: 4px;
  display: flex;
  justify-content: center;
}

/* ---- Scenario mode behavior ---- */
.mode-scenarios .panel {
  transform: translateX(-20px);
  opacity: 0;
  pointer-events: none;
}

.mode-scenarios .viewer-footer {
  display: none;
}

/* FIX: Instead of display: none, we shrink and fade it out so it keeps WebGL bounds */
.mode-scenarios.mode-scenario-select .viewer-shell {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.95);
  position: absolute;
  z-index: -1;
}

/* TOTAL MODE: viewer shell shown on left by JS */
.mode-scenarios.mode-total .viewer-shell {
  display: block;
  position: fixed;
  z-index: 7;
  border-radius: 20px;
  overflow: hidden;
  opacity: 1;
  transform: scale(1);
}

/* Right side in total mode */
.mode-scenarios.mode-total .scenario-right {
  display: grid;
  grid-template-rows: 400px 1fr;
  gap: 12px;
  min-height: 0;
}

.mode-scenarios.mode-total #scenarioDescCard {
  display: block;
  overflow-y: auto;
}

.mode-scenarios.mode-total #totalCard {
  display: block;
  height: 100%;
  overflow-y: auto;
}

/* Responsive Layout */
@media (max-width: 1200px) {
  .ring-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 992px) {
  html, body {
    /* Allow normal web scrolling on smaller screens */
    overflow: auto; 
    height: auto;
  }

  .app {
    display: flex;
    flex-direction: column;
    height: auto;
    min-height: 100vh;
  }

  .viewer-shell {
    /* Moves the 3D viewer to the TOP on mobile/tablets */
    order: 1; 
    width: 100%;
    height: 50vh; 
    min-height: 400px;
    border-radius: 16px;
    margin-bottom: 10px;
  }

  .panel {
    /* Moves the controls panel to the BOTTOM */
    order: 2; 
    width: 100%;
    max-height: none; 
    overflow-y: visible;
  }

  .viewer-topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .top-pill.subtle {
    display: none; /* Hide subtitle to save space */
  }

  .comp-controls {
    grid-template-columns: 1fr;
  }

  .scenario-grid {
    grid-template-columns: 1fr;
    height: auto;
  }

  .scenario-right,
  .scenario-left {
    display: grid;
  }

  .result-summary-top {
    grid-template-columns: 1fr;
  }

  /* Override fixed positioning for the total summary page on mobile */
  .mode-scenarios.mode-total .viewer-shell {
    position: relative !important;
    left: auto !important;
    top: auto !important;
    width: 100% !important;
    height: 45vh !important;
    transform: none !important;
  }

  .mode-scenarios.mode-total .scenario-right {
    grid-template-rows: auto;
  }

  .metric-value {
    font-size: 1.75rem;
  }

  .metric.savings .metric-value {
    font-size: 1.9rem;
  }
}