:root {
  --bg: #f4f6f3;
  --panel: #ffffff;
  --panel-soft: #eef2ed;
  --ink: #20251f;
  --muted: #697266;
  --faint: #9aa394;
  --line: #d9dfd5;
  --line-strong: #b9c4b4;
  --accent: #2f7d68;
  --accent-ink: #1e5d4d;
  --accent-soft: #dcece6;
  --solar: #b88734;
  --wind: #2f7d68;
  --risk: #b65f52;
  --risk-soft: #f3e4df;
  --shadow: 0 18px 50px rgba(32, 37, 31, 0.08);
  --mono: "SF Mono", "IBM Plex Mono", "Roboto Mono", monospace;
  --sans: "Geist", "Satoshi", "Aptos", "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  background:
    linear-gradient(90deg, rgba(47, 125, 104, 0.04) 1px, transparent 1px),
    linear-gradient(180deg, rgba(47, 125, 104, 0.035) 1px, transparent 1px),
    var(--bg);
  background-size: 44px 44px;
  color: var(--ink);
  font-family: var(--sans);
  font-variant-numeric: tabular-nums;
}

button,
select,
input {
  font: inherit;
}

button,
select {
  color: inherit;
}

button {
  cursor: pointer;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 8;
  transform: translateY(-140%);
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--panel);
  color: var(--accent-ink);
  padding: 9px 12px;
  text-decoration: none;
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.page-grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.22;
  background-image: radial-gradient(rgba(32, 37, 31, 0.20) 0.7px, transparent 0.7px);
  background-size: 5px 5px;
  mix-blend-mode: multiply;
}

.top-shell {
  position: sticky;
  top: 0;
  z-index: 4;
  display: grid;
  grid-template-columns: minmax(250px, 1fr) auto minmax(180px, 1fr);
  align-items: center;
  gap: 20px;
  padding: 12px clamp(16px, 4vw, 42px);
  border-bottom: 1px solid rgba(217, 223, 213, 0.86);
  background: rgba(244, 246, 243, 0.88);
  backdrop-filter: blur(18px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.75) inset;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--panel);
  display: grid;
  place-items: center;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset;
}

.brand-mark svg {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand-mark circle {
  fill: var(--panel);
}

.brand-block strong,
.brand-block span {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-block strong {
  font-weight: 720;
}

.brand-block span,
.run-state,
.eyebrow,
.metric-tile span,
.metric-tile small,
.submission-list dt,
.pipeline small,
.revision-list {
  color: var(--muted);
}

.brand-block span {
  font-size: 0.82rem;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.58);
}

.nav-pill {
  min-width: 94px;
  border-radius: 6px;
  padding: 8px 12px;
  color: var(--muted);
  text-align: center;
  text-decoration: none;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.nav-pill:hover,
.nav-pill:focus-visible {
  color: var(--ink);
  background: var(--panel-soft);
}

.nav-pill:active,
.segment:active,
.icon-button:active {
  transform: translateY(1px) scale(0.99);
}

.nav-pill.active {
  background: var(--ink);
  color: #f7f8f5;
}

.run-state {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  font-size: 0.88rem;
}

.state-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--risk);
  box-shadow: 0 0 0 4px rgba(182, 95, 82, 0.12);
}

.state-dot.online {
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(47, 125, 104, 0.15);
}

.workspace {
  width: min(1460px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.ops-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.48fr) minmax(310px, 0.52fr);
  grid-template-areas:
    "hero decision"
    "chart decision"
    "kpis kpis";
  gap: 16px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.90);
  box-shadow: var(--shadow);
}

.hero-panel {
  grid-area: hero;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(540px, 1.05fr);
  gap: 26px;
  align-items: end;
  min-height: 248px;
  padding: clamp(22px, 4vw, 38px);
  overflow: hidden;
  position: relative;
}

.hero-panel::after {
  content: "";
  position: absolute;
  right: 28px;
  top: 22px;
  width: 280px;
  height: 180px;
  border: 1px solid rgba(47, 125, 104, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(135deg, transparent 0 48%, rgba(47, 125, 104, 0.16) 49% 51%, transparent 52%),
    repeating-linear-gradient(90deg, rgba(47, 125, 104, 0.08) 0 1px, transparent 1px 22px);
  opacity: 0.45;
  transform: rotate(-2deg);
  pointer-events: none;
}

.hero-copy {
  position: relative;
}

.eyebrow {
  margin: 0 0 9px;
  font-size: 0.78rem;
  font-weight: 680;
}

h1,
h2,
p {
  text-wrap: pretty;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.25rem, 4.2vw, 4.15rem);
  line-height: 0.98;
  font-weight: 780;
}

h2 {
  margin: 0;
  font-size: clamp(1.18rem, 2vw, 1.65rem);
  line-height: 1.04;
  font-weight: 735;
}

.lede {
  max-width: 66ch;
  margin: 22px 0 0;
  color: #4c5549;
  font-size: 1.02rem;
  line-height: 1.58;
}

.control-rack {
  position: relative;
  display: grid;
  grid-template-columns: minmax(180px, 0.9fr) minmax(220px, 1.1fr);
  gap: 14px;
  align-items: end;
  padding: 18px;
  border: 1px solid rgba(185, 196, 180, 0.80);
  border-radius: 8px;
  background: rgba(244, 246, 243, 0.74);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.field-group {
  display: grid;
  gap: 7px;
}

.field-group label,
.switch-row {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
}

select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--panel);
  padding: 0 38px 0 12px;
  outline: none;
}

select:focus-visible,
button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 2px solid rgba(47, 125, 104, 0.35);
  outline-offset: 2px;
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.70);
}

.segment {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 34px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.segment svg,
.icon-button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.segment.active {
  background: var(--accent);
  color: #f7faf6;
}

.switch-row {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 42px;
}

.switch-row input {
  position: absolute;
  opacity: 0;
}

.switch-ui {
  width: 42px;
  height: 24px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--panel);
  position: relative;
  transition: background 180ms ease;
}

.switch-ui::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: var(--muted);
  transition: transform 180ms ease, background 180ms ease;
}

.switch-row input:checked + .switch-ui {
  background: var(--accent-soft);
  border-color: rgba(47, 125, 104, 0.50);
}

.switch-row input:checked + .switch-ui::after {
  transform: translateX(18px);
  background: var(--accent);
}

.decision-panel {
  grid-area: decision;
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  min-height: 520px;
}

.decision-panel h2 {
  font-size: clamp(1.65rem, 2.4vw, 2.25rem);
}

.decision-panel p:not(.eyebrow) {
  margin: 0;
  color: #4c5549;
  line-height: 1.55;
}

.confidence-meter {
  display: grid;
  gap: 10px;
  padding-top: 4px;
}

.confidence-meter > div:first-child {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
}

.confidence-meter strong {
  color: var(--ink);
}

.meter-track {
  height: 10px;
  border-radius: 999px;
  background: var(--panel-soft);
  overflow: hidden;
}

.meter-track span {
  display: block;
  width: 58%;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width 260ms ease, background 260ms ease;
}

.revision-list {
  display: grid;
  gap: 11px;
  margin: auto 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.88rem;
}

.revision-list li {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 10px;
  padding-top: 11px;
  border-top: 1px solid var(--line);
}

.revision-list time {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.forecast-panel {
  grid-area: chart;
  padding: 24px;
  min-height: 510px;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.legend-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 13px;
  color: var(--muted);
  font-size: 0.84rem;
}

.legend-row span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.legend-line {
  width: 22px;
  height: 2px;
  background: var(--accent);
  display: inline-block;
}

.legend-line.capacity {
  background: var(--line-strong);
}

.legend-fill {
  width: 22px;
  height: 9px;
  display: inline-block;
  border: 1px solid rgba(47, 125, 104, 0.20);
  background: rgba(47, 125, 104, 0.13);
}

.chart-frame {
  position: relative;
  min-height: 390px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #fbfcfa, #f4f6f3);
  overflow: hidden;
}

.chart-frame canvas {
  display: block;
  width: 100% !important;
  min-height: 390px;
}

.chart-frame text {
  font-family: var(--mono);
  fill: var(--muted);
  font-size: 12px;
}

.chart-frame .grid {
  stroke: rgba(105, 114, 102, 0.18);
  stroke-width: 1;
}

.chart-frame .axis {
  stroke: rgba(105, 114, 102, 0.38);
  stroke-width: 1;
}

.chart-frame .band {
  fill: rgba(47, 125, 104, 0.16);
}

.chart-frame .median {
  fill: none;
  stroke: var(--accent);
  stroke-width: 3.2;
}

.chart-frame .capacity-line {
  fill: none;
  stroke: rgba(105, 114, 102, 0.42);
  stroke-dasharray: 6 7;
  stroke-width: 1.3;
}

.chart-frame .point-dot {
  fill: var(--panel);
  stroke: var(--accent);
  stroke-width: 2;
}

.skeleton-grid {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.78), transparent),
    repeating-linear-gradient(0deg, rgba(32, 37, 31, 0.05) 0 1px, transparent 1px 54px);
  transform: translateX(-100%);
}

.chart-frame.loading .skeleton-grid {
  opacity: 1;
  animation: shimmer 1050ms ease infinite;
}

@keyframes shimmer {
  to {
    transform: translateX(100%);
  }
}

.empty-state {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  gap: 8px;
  color: var(--muted);
  text-align: center;
}

.empty-state strong,
.empty-state span {
  display: block;
}

.kpi-strip {
  grid-area: kpis;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.metric-tile {
  min-height: 132px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.metric-tile strong {
  font-family: var(--mono);
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  line-height: 1;
}

.metric-tile.risk strong {
  color: var(--risk);
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.55fr);
  gap: 16px;
  margin-top: 16px;
}

.driver-panel,
.map-panel,
.validation-panel,
.architecture-panel,
.scenario-panel {
  padding: 24px;
}

.driver-panel {
  min-height: 430px;
}

.scenario-panel {
  min-height: 430px;
}

.map-panel {
  min-height: 430px;
}

.validation-panel {
  min-height: 390px;
}

.architecture-panel {
  grid-column: 1 / -1;
}

.time-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 10px;
  background: var(--panel-soft);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  white-space: nowrap;
}

.driver-bars {
  display: grid;
  gap: 12px;
  margin: 22px 0;
}

.driver-row {
  display: grid;
  grid-template-columns: minmax(140px, 0.42fr) minmax(160px, 1fr) 72px;
  gap: 12px;
  align-items: center;
}

.driver-name {
  color: #3d463a;
  font-weight: 650;
}

.bar-track {
  position: relative;
  height: 18px;
  border-radius: 6px;
  background: var(--panel-soft);
  overflow: hidden;
}

.bar-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  width: var(--bar-width);
  background: var(--accent);
}

.bar-fill.negative {
  right: 50%;
  background: var(--risk);
}

.bar-fill.positive {
  left: 50%;
}

.bar-track::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: rgba(105, 114, 102, 0.34);
}

.driver-value {
  font-family: var(--mono);
  color: var(--muted);
  text-align: right;
}

.narrative {
  margin: 0;
  color: #4c5549;
  line-height: 1.56;
}

.icon-button {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel-soft);
  color: var(--muted);
  display: inline-grid;
  place-items: center;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.icon-button:hover {
  background: var(--accent-soft);
  color: var(--accent-ink);
}

.slider-stack {
  display: grid;
  gap: 18px;
}

.slider-stack label {
  display: grid;
  gap: 9px;
  color: var(--muted);
  font-size: 0.9rem;
}

.slider-stack span {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.slider-stack b {
  color: var(--ink);
  font-family: var(--mono);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.scenario-result {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 7px;
}

.scenario-result span,
.scenario-result small {
  color: var(--muted);
}

.scenario-result strong {
  color: var(--accent-ink);
  font-family: var(--mono);
  font-size: 2.15rem;
  line-height: 1;
}

#region-map {
  width: 100%;
  height: 360px;
  border-radius: 8px;
  background: #f4f6f3;
  contain: layout style paint;
}

#region-map .leaflet-tile-pane {
  filter: grayscale(100%) opacity(0.55);
}

#region-map .leaflet-control-zoom a {
  border-radius: 6px;
  border-color: var(--line);
  color: var(--ink);
  font-family: var(--sans);
}

.chart-frame canvas,
#validation-chart {
  will-change: transform;
  transform: translateZ(0);
}

#validation-chart {
  width: 100%;
  display: block;
}

.pipeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.pipeline div {
  min-height: 142px;
  display: grid;
  align-content: start;
  gap: 10px;
  border-top: 2px solid var(--accent);
  padding-top: 14px;
}

.pipeline span {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent-ink);
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-weight: 700;
}

.pipeline strong {
  font-size: 1.06rem;
}

.pipeline small {
  line-height: 1.45;
}

.submission-panel {
  margin-top: 16px;
  display: grid;
  grid-template-columns: minmax(280px, 0.42fr) minmax(0, 1fr);
  gap: 24px;
  padding: 26px;
}

.submission-copy h2 {
  margin-bottom: 16px;
}

.submission-list {
  display: grid;
  gap: 1px;
  margin: 0;
}

.submission-list div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  padding: 13px 0;
  border-top: 1px solid var(--line);
}

.submission-list dt {
  font-weight: 700;
}

.submission-list dd {
  margin: 0;
  font-family: var(--mono);
  word-break: break-word;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  max-width: min(420px, calc(100vw - 36px));
  border: 1px solid rgba(182, 95, 82, 0.35);
  border-radius: 8px;
  background: var(--risk-soft);
  color: #6e3129;
  padding: 12px 14px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1120px) {
  .top-shell {
    grid-template-columns: 1fr;
    justify-items: stretch;
  }

  .top-nav,
  .run-state {
    justify-self: start;
  }

  .ops-grid,
  .detail-grid,
  .submission-panel {
    grid-template-columns: 1fr;
    grid-template-areas:
      "hero"
      "decision"
      "chart"
      "kpis";
  }

  .hero-panel {
    grid-template-columns: 1fr;
  }

  .decision-panel {
    min-height: auto;
  }

  .architecture-panel {
    grid-column: auto;
  }

  .pipeline,
  .kpi-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .workspace {
    width: min(100% - 24px, 1460px);
    padding-top: 16px;
  }

  .top-nav {
    overflow-x: auto;
  }

  .nav-pill {
    min-width: 88px;
  }

  .hero-panel,
  .forecast-panel,
  .decision-panel,
  .driver-panel,
  .map-panel,
  .validation-panel,
  .architecture-panel,
  .scenario-panel,
  .submission-panel {
    padding: 18px;
  }

  .control-rack,
  .kpi-strip,
  .pipeline {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(2.2rem, 14vw, 3.4rem);
  }

  .panel-head,
  .legend-row {
    display: grid;
    justify-content: stretch;
  }

  .driver-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .driver-value {
    text-align: left;
  }

  .submission-list div {
    grid-template-columns: 1fr;
    gap: 5px;
  }
}