:root {
  --bg: #eef7f3;
  --panel: #ffffff;
  --line: #d4e6df;
  --text: #102826;
  --muted: #5d7f79;
  --good: #0f8050;
  --bad: #b53a2e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Outfit", "Manrope", "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #dff2ea 0%, var(--bg) 42%, #f4fbf8 100%);
}

.shell {
  width: min(1640px, 98vw);
  margin: 16px auto 24px;
  display: grid;
  gap: 12px;
}

.topbar {
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: linear-gradient(128deg, #0e7a70 0%, #1fa183 56%, #43bb90 100%);
  color: #f4fff9;
  box-shadow: 0 10px 24px rgba(18, 80, 68, 0.2);
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.topbar h1 {
  margin: 0;
  font-size: clamp(24px, 4vw, 32px);
  line-height: 1.05;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  height: 56px;
}

.brand-logo {
  height: 56px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

#run-btn {
  border: none;
  border-radius: 10px;
  padding: 9px 13px;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(112deg, #f2a03f 0%, #f18a2f 52%, #e66e26 100%);
  box-shadow: 0 8px 16px rgba(214, 118, 33, 0.28);
}

#run-btn:disabled {
  cursor: wait;
  opacity: 0.8;
}

.status-pill {
  border-radius: 999px;
  border: 1px solid #d7ebe4;
  background: #f2faf7;
  color: #5a7974;
  padding: 7px 10px;
  font-size: 12px;
  font-weight: 800;
}

.status-pill.running {
  color: #1e6c5f;
  border-color: #bbe1d5;
  background: #eaf8f2;
}

.status-pill.succeeded {
  color: #0f7548;
  border-color: #b7e7d1;
  background: #e9fff4;
}

.status-pill.failed {
  color: #a6352b;
  border-color: #f0cbc5;
  background: #fff1ef;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(360px, 0.9fr);
  grid-template-areas:
    "inputs outcome"
    "forecast forecast";
  gap: 10px;
  align-items: start;
}

.panel-inputs {
  grid-area: inputs;
}

.right-col {
  grid-area: outcome;
  display: grid;
  gap: 10px;
  align-content: start;
}

.panel-forecast {
  grid-area: forecast;
}

.panel {
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 8px 18px rgba(24, 79, 68, 0.1);
  padding: 10px;
}

.panel h2 {
  margin: 0 0 6px;
  font-size: 24px;
}

.input-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  align-items: start;
}

.input-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.input-card {
  border-radius: 12px;
  border: 1px solid #d8e8e2;
  background: linear-gradient(165deg, #ffffff 0%, #f5fcf8 100%);
  padding: 0;
  overflow: hidden;
}

.input-card summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid #dcebe6;
  background: rgba(255, 255, 255, 0.65);
}

.input-card summary::-webkit-details-marker {
  display: none;
}

.input-card summary::after {
  content: "";
  width: 10px;
  height: 10px;
  border-right: 2px solid #2c6058;
  border-bottom: 2px solid #2c6058;
  transform: rotate(45deg);
  opacity: 0.6;
  margin-left: 8px;
  flex: 0 0 auto;
}

.input-card[open] summary::after {
  transform: rotate(-135deg);
  opacity: 0.85;
}

.card-head {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0.01em;
  flex: 0 0 auto;
}

.card-sub {
  margin-left: auto;
  min-width: 0;
  max-width: 56%;
  font-size: 12px;
  font-weight: 700;
  color: #577c76;
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-right: 2px;
}

.card-body {
  padding: 8px 10px 10px;
}

.field {
  margin-bottom: 6px;
}

.field label {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
  font-weight: 600;
  color: #4f726c;
}

.field input,
.field select {
  width: 100%;
  border-radius: 9px;
  border: 1px solid #c7ddd4;
  background: #fcfffd;
  color: var(--text);
  padding: 8px 10px;
  font-size: 14px;
  outline: none;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}

.field input:focus,
.field select:focus {
  border-color: #2ca587;
  box-shadow: 0 0 0 3px rgba(44, 165, 135, 0.15);
}

.inline-address {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: stretch;
}

.inline-address .secondary-btn {
  padding: 8px 12px;
  font-size: 13px;
}

.preset-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

hr {
  border: 0;
  height: 1px;
  background: #dcebe6;
  margin: 8px 0;
}

.inline-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 9px;
  border: 1px solid #badace;
  background: #f7fcf9;
  color: #206356;
  padding: 7px 9px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.secondary-btn:hover {
  border-color: #8fc8b4;
}

.secondary-btn:disabled {
  cursor: wait;
  opacity: 0.72;
}

.action-field {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.mini-note {
  margin: 2px 0 0;
  font-size: 11px;
  color: var(--muted);
}

.check-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.check-row input[type="checkbox"] {
  margin: 0;
}

.debug-panel {
  margin-top: 8px;
  border: 1px dashed #c3dbd1;
  border-radius: 10px;
  background: #f9fdfb;
  padding: 8px;
}

.debug-panel summary {
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  color: #2c6058;
}

.debug-chart-grid {
  margin-top: 8px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.debug-chart {
  border: 1px solid #d8e8e2;
  border-radius: 8px;
  background: #ffffff;
  padding: 6px;
}

.debug-chart-title {
  margin: 0 0 4px;
  font-size: 11px;
  font-weight: 700;
  color: #4e6e69;
}

.hidden {
  display: none !important;
}

.field-stack {
  display: grid;
  gap: 0;
}

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.cards .card:last-child {
  grid-column: 1 / -1;
}

.card {
  border-radius: 11px;
  border: 1px solid #d7e8e2;
  background: linear-gradient(165deg, #ffffff 0%, #f5fcf8 100%);
  padding: 14px;
}

.card-title {
  margin: 0 0 7px;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #5f7d79;
  font-weight: 700;
}

.card-value {
  margin: 0;
  font-size: clamp(38px, 2.6vw, 46px);
  line-height: 1.1;
  font-weight: 900;
  white-space: nowrap;
}

.card-value.good {
  color: var(--good);
}

.card-value.bad {
  color: var(--bad);
}

.chart-wrap {
  border-radius: 11px;
  border: 1px solid #d9e9e3;
  background: #fdfffe;
  padding: 7px;
}

.forecast-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  align-items: start;
}

.chart-block {
  display: grid;
  gap: 4px;
}

.panel-savings .chart-wrap {
  min-height: 205px;
}

.chart-label {
  margin: 0;
  font-size: 15px;
  font-weight: 800;
  color: #4f726c;
}

canvas {
  width: 100%;
  display: block;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "inputs"
      "outcome"
      "forecast";
  }

  .forecast-stack {
    grid-template-columns: 1fr;
  }

  .panel-savings .chart-wrap {
    min-height: 185px;
  }
}

@media (max-width: 760px) {
  .shell {
    width: 97vw;
    margin-top: 10px;
  }

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

  .brand-logo {
    height: 44px;
    width: auto;
  }

  .input-grid,
  .input-columns,
  .cards,
  .two-col {
    grid-template-columns: 1fr;
  }

  .input-card summary {
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .card-sub {
    max-width: 100%;
    flex-basis: 100%;
    margin-left: 0;
    text-align: left;
    white-space: normal;
  }

  .card-value {
    font-size: clamp(30px, 8vw, 38px);
  }
}