:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --border: #d9dde3;
  --text: #13212e;
  --muted: #5b6978;
  --accent: #3b6ea8;
  --accent-soft: rgba(59, 110, 168, 0.14);
  --green: #6aa070;
  --green-soft: rgba(106, 160, 112, 0.16);
  --gold: #af8e57;
  --gold-soft: rgba(175, 142, 87, 0.18);
  --orange: #d08b38;
  --orange-soft: rgba(208, 139, 56, 0.16);
  --red: #c65b5b;
  --table-head: #eef2f6;
  --shadow: 0 8px 20px rgba(14, 31, 53, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.lca-shell {
  width: 100%;
  max-width: 1700px;
  margin: 0 auto;
  padding: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.lca-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  margin-bottom: 16px;
}

h1 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.subtitle-row {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 0.98rem;
}

.dot {
  color: #97a4b2;
}

.ghost-btn {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 600;
  cursor: pointer;
}

.ghost-btn:hover {
  background: #f1f4f8;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.summary-card {
  padding: 14px 16px;
  min-height: 106px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.summary-label {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.summary-value {
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1.1;
  word-break: break-word;
}

.summary-value.emphasis {
  color: var(--orange);
}

.error-box {
  margin-bottom: 16px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid #f0c4c4;
  background: #fff3f3;
  color: #8d2d2d;
}

.hidden {
  display: none;
}

.content-grid {
  display: grid;
  gap: 16px;
  margin-bottom: 16px;
}

.upper-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(340px, 1fr);
  gap: 16px;
  align-items: stretch;
}

.left-column,
.right-column {
  display: contents;
}

/* strict 3-row / 2-column layout */
.left-column > article:nth-child(1) {
  grid-column: 1;
  grid-row: 1;
}

.left-column > article:nth-child(2) {
  grid-column: 1;
  grid-row: 2;
}

.left-column > article:nth-child(3) {
  grid-column: 1;
  grid-row: 3;
}

.right-column > article:nth-child(1) {
  grid-column: 2;
  grid-row: 1;
}

.right-column > article:nth-child(2) {
  grid-column: 2;
  grid-row: 2;
}

.right-column > article:nth-child(3) {
  grid-column: 2;
  grid-row: 3;
}

.chart-card,
.side-card,
.table-card,
.primary-energy-card {
  padding: 14px 14px 12px;
}

.chart-card,
.side-card {
  height: 100%;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
}

.card-head h2 {
  margin: 0;
  font-size: 1.55rem;
  line-height: 1.15;
}

.card-head p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.compact-head h2 {
  font-size: 1.35rem;
}

.chart-wrap {
  position: relative;
  min-height: 320px;
}

.tall-chart {
  min-height: 350px;
}

.chart-wrap canvas,
.ring-wrap canvas {
  width: 100% !important;
  height: 100% !important;
}

.ring-wrap {
  height: 260px;
  max-width: 380px;
  margin: 0 auto 10px;
}

.small-ring {
  height: 200px;
}

.embodied-card .ring-wrap {
  height: 230px;
  max-width: 340px;
  margin: 0 auto 10px;
}

.legend-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 16px;
  margin-top: 6px;
  margin-bottom: 10px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
}

.legend-swatch {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  flex: 0 0 14px;
}

.stage-coverage {
  border-top: 1px solid var(--border);
  margin-top: 8px;
  padding-top: 10px;
  display: grid;
  gap: 8px;
}

.stage-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.stage-name {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text);
}

.stage-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 700;
  text-align: center;
  white-space: nowrap;
}

.status-quantified {
  background: var(--green-soft);
  color: #31593a;
}

.status-pending {
  background: var(--gold-soft);
  color: #7a5e2d;
}

.status-mixed {
  background: var(--accent-soft);
  color: #2f5a87;
  white-space: normal;
  border-radius: 12px;
  line-height: 1.25;
  padding: 6px 10px;
}

.status-future {
  background: rgba(91, 105, 120, 0.14);
  color: #53606f;
}

.ring-text-block {
  text-align: center;
  font-size: 0.98rem;
  color: var(--muted);
  line-height: 1.45;
}

.ring-text-block strong {
  display: block;
  font-size: 1.65rem;
  color: var(--text);
  margin-bottom: 4px;
}

.operational-summary-card {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.operational-summary-card .ring-wrap {
  flex: 0 0 auto;
  height: 190px;
  max-width: 300px;
  margin: 0 auto 10px;
}

.operational-summary-card .ring-text-block {
  display: flex;
  flex-direction: column;
  flex: 1;
  text-align: center;
  justify-content: flex-start;
}

.operational-ring-main {
  margin-bottom: 14px;
}

.operational-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
  text-align: left;
}

.operational-metric {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  background: #fcfcfd;
}

.operational-metric-label {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.operational-metric-value {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
}

.replacement-card .timeline-wrap {
  min-height: 220px;
  height: auto;
}

.timeline-wrap {
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 16px;
  min-height: 220px;
  background: #fcfcfd;
}

.timeline-entry {
  position: relative;
  padding-left: 26px;
  margin-bottom: 18px;
}

.timeline-entry:last-child {
  margin-bottom: 0;
}

.timeline-entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--accent);
}

.timeline-entry::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 18px;
  bottom: -18px;
  width: 2px;
  background: #dbe1e8;
}

.timeline-entry:last-child::after {
  display: none;
}

.timeline-title {
  font-weight: 700;
  margin-bottom: 6px;
}

.timeline-meta,
.timeline-note {
  color: var(--muted);
  font-size: 0.95rem;
}

.timeline-empty {
  display: grid;
  place-items: center;
  min-height: 180px;
  text-align: center;
  color: var(--muted);
  font-size: 1rem;
}

.primary-energy-card {
  width: 100%;
}

.primary-energy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(320px, 0.85fr);
  gap: 18px;
  align-items: stretch;
}

.primary-energy-chart-block {
  min-width: 0;
}

.primary-energy-chart-wrap {
  min-height: 420px;
}

.primary-energy-side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.primary-energy-controls {
  display: grid;
  gap: 8px;
  margin: 2px 0 0;
}

.primary-energy-controls label {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--muted);
}

.profile-select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  background: #fff;
  color: var(--text);
  font-size: 0.96rem;
  outline: none;
}

.profile-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.primary-energy-summary-block {
  width: 100%;
  text-align: left;
  font-size: 0.98rem;
  color: var(--muted);
  line-height: 1.45;
}

.primary-energy-summary-block strong {
  display: block;
  font-size: 1.2rem;
  color: var(--text);
  margin-bottom: 4px;
}

.primary-energy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
  text-align: left;
}

.primary-energy-grid > div {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  background: #fcfcfd;
}

.primary-energy-grid strong {
  font-size: 1.02rem;
  line-height: 1.25;
}

.table-scroll {
  overflow-x: auto;
}

.table-card table {
  width: 100%;
  border-collapse: collapse;
  min-width: 1320px;
}

.table-card th,
.table-card td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  vertical-align: middle;
  font-size: 0.94rem;
}

.table-card th {
  background: var(--table-head);
  text-align: left;
}

.hash-cell,
.tx-cell {
  max-width: 220px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hash-link {
  color: #3b6ea8;
  text-decoration: none;
  font-weight: 600;
}

.hash-link:hover {
  text-decoration: underline;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
}

.status-ok {
  background: var(--green-soft);
  color: #31593a;
}

.status-fail {
  background: rgba(198, 91, 91, 0.12);
  color: #8d2d2d;
}

.small-muted {
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 1400px) {
  .summary-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1080px) {
  .upper-grid {
    grid-template-columns: 1fr;
  }

  .left-column,
  .right-column {
    display: block;
  }

  .primary-energy-layout {
    grid-template-columns: 1fr;
  }

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

  .primary-energy-chart-wrap {
    min-height: 340px;
  }

  .chart-card,
  .side-card {
    height: auto;
    margin-bottom: 16px;
  }
}

@media (max-width: 700px) {
  .lca-header {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .primary-energy-grid {
    grid-template-columns: 1fr;
  }

  .operational-metrics {
    grid-template-columns: 1fr;
  }

  .legend-list {
    grid-template-columns: 1fr;
  }

  .stage-row {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 1.6rem;
  }

  .summary-value {
    font-size: 1.5rem;
  }

  .primary-energy-chart-wrap {
    min-height: 300px;
  }
}