:root {
  color-scheme: light;
  --brand-green: #143C2D;
  --brand-orange: #DA8134;
  --brand-orange-dark: #9A3D1A;
  --brand-white: #FFFFFF;
  --bg: #F7F3EE;
  --surface: var(--brand-white);
  --surface-soft: #FBF7F2;
  --ink: var(--brand-green);
  --muted: #68736D;
  --line: #E3DAD1;
  --line-strong: #D2C4B8;
  --teal: var(--brand-green);
  --teal-dark: var(--brand-green);
  --teal-soft: #EDF4EF;
  --coral: var(--brand-orange);
  --coral-soft: #FFF3EA;
  --amber: var(--brand-orange);
  --amber-soft: #FFF6ED;
  --red: var(--brand-orange-dark);
  --red-soft: #FFF0E8;
  --nav: var(--brand-green);
  --nav-soft: #1F5B44;
  --shadow: 0 14px 35px rgba(20, 60, 45, 0.12);
  --radius: 8px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  overflow-x: hidden;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  min-height: 100vh;
}

.is-embedded .app-shell {
  grid-template-columns: minmax(0, 1fr);
  min-height: auto;
}

.is-embedded .nav-rail {
  display: none;
}

.is-embedded .workspace {
  max-width: none;
  padding: 12px;
}

.is-embedded .topbar {
  min-height: auto;
}

.is-simple-mode .app-shell {
  grid-template-columns: minmax(0, 1fr);
}

.is-simple-mode .nav-rail,
.is-simple-mode .advanced-only,
.is-simple-mode .premium-panel,
.is-simple-mode .scenario-panel,
.is-simple-mode .media-row,
.is-simple-mode .chart-actions,
.is-simple-mode .fwd-source {
  display: none;
}

.decision-strip {
  position: sticky;
  top: 0;
  z-index: 8;
  display: grid;
  grid-template-columns: 1.08fr 1fr 0.9fr 1fr 1.22fr;
  gap: 10px;
  padding: 10px;
  border: 1px solid rgba(210, 196, 184, 0.9);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 24px rgba(20, 60, 45, 0.09);
  backdrop-filter: blur(12px);
  min-width: 0;
}

.decision-item {
  display: grid;
  gap: 4px;
  min-width: 0;
  min-height: 78px;
  padding: 12px 14px;
  border: 1px solid rgba(227, 218, 209, 0.92);
  border-radius: var(--radius);
  background: #ffffff;
}

.decision-item.primary {
  border-color: rgba(20, 60, 45, 0.42);
  background: var(--teal-soft);
}

.decision-item span,
.decision-item small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  line-height: 1.3;
}

.decision-item strong {
  min-width: 0;
  color: var(--ink);
  font-size: clamp(18px, 1.65vw, 25px);
  line-height: 1.05;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.decision-item.primary strong {
  color: var(--teal-dark);
}

.fwd-current strong {
  font-size: clamp(15px, 1.25vw, 19px);
}

.nav-rail {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  height: 100vh;
  padding: 16px 0;
  background: linear-gradient(180deg, #143C2D 0%, #1F5B44 100%);
  color: #FFFFFF;
  box-shadow: inset -1px 0 rgba(255, 255, 255, 0.08);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin: 0 auto 8px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.brand-mark svg {
  width: 32px;
  height: 32px;
  fill: #DA8134;
  stroke: #ffffff;
  stroke-width: 2.1;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.rail-item {
  display: grid;
  place-items: center;
  gap: 6px;
  min-height: 76px;
  padding: 10px 4px;
  border: 0;
  border-left: 4px solid transparent;
  background: transparent;
  color: rgba(255, 255, 255, 0.78);
  cursor: pointer;
}

.rail-item svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.rail-item span {
  font-size: 12px;
  font-weight: 700;
}

.rail-item:hover,
.rail-item:focus-visible,
.rail-item.is-active {
  color: #ffffff;
  background: var(--nav-soft);
  border-left-color: #DA8134;
}

.rail-bottom {
  margin-top: auto;
}

.workspace {
  display: grid;
  grid-template-rows: auto auto auto 1fr;
  gap: 12px;
  width: 100%;
  max-width: 1680px;
  padding: 18px;
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 54px;
  min-width: 0;
}

.eyebrow,
.section-kicker {
  margin: 0 0 4px;
  color: var(--teal-dark);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(24px, 2.4vw, 34px);
  line-height: 1.1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 18px;
  line-height: 1.2;
}

h3 {
  margin-bottom: 12px;
  font-size: 15px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.mode-toggle {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(58px, 1fr));
  min-height: 44px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.mode-toggle button {
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  padding: 0 12px;
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
}

.mode-toggle button:hover,
.mode-toggle button:focus-visible,
.mode-toggle button.is-active {
  background: var(--teal-soft);
  color: var(--teal-dark);
}

select,
input,
textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--ink);
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

select,
input {
  min-height: 44px;
  padding: 0 12px;
}

textarea {
  min-height: 96px;
  padding: 12px;
  resize: vertical;
}

select:focus,
input:focus,
textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(20, 60, 45, 0.16);
}

.button,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--ink);
  min-height: 44px;
  padding: 0 14px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.button svg,
.icon-button svg,
.scenario-menu svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button:hover,
.icon-button:hover,
.button:focus-visible,
.icon-button:focus-visible {
  border-color: var(--teal);
  box-shadow: 0 8px 20px rgba(218, 129, 52, 0.18);
}

.button:active,
.icon-button:active {
  transform: translateY(1px);
}

.button.ghost {
  background: rgba(255, 255, 255, 0.72);
}

.button.primary {
  border-color: var(--coral);
  background: var(--coral);
  color: #ffffff;
}

.button.quiet {
  min-height: 40px;
  color: var(--teal-dark);
  background: var(--surface-soft);
}

.button.full {
  width: 100%;
}

.icon-only,
.icon-button {
  width: 44px;
  padding: 0;
}

.icon-button {
  min-width: 40px;
  min-height: 40px;
}

.icon-button.small {
  width: 32px;
  min-width: 32px;
  min-height: 32px;
  color: var(--teal-dark);
  background: #ffffff;
}

.language-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #ffffff;
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 900;
}

.reset-button {
  flex: 0 0 auto;
  white-space: nowrap;
}

.quick-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
  gap: 10px;
  padding: 10px;
  border: 1px solid rgba(210, 196, 184, 0.9);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow);
}

.quick-flow article {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  min-width: 0;
  min-height: 72px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.quick-flow article > span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--teal-soft);
  color: var(--teal-dark);
  font-weight: 900;
}

.quick-flow strong,
.quick-flow small {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.quick-flow strong {
  font-size: 14px;
}

.quick-flow small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.quick-result {
  border-color: rgba(20, 60, 45, 0.35) !important;
  background: var(--teal-soft) !important;
}

.quick-actions {
  display: grid;
  grid-template-columns: minmax(140px, auto);
  gap: 8px;
  align-self: stretch;
}

.quick-actions .button {
  min-height: 40px;
  white-space: nowrap;
}

.main-grid {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(520px, 1fr) minmax(280px, 330px);
  grid-template-areas:
    "controls projection premium"
    "saving saving premium"
    "fwd fwd fwd";
  gap: 12px;
  min-height: 0;
  min-width: 0;
}

.is-simple-mode .main-grid {
  grid-template-columns: minmax(280px, 380px) minmax(0, 1fr);
  grid-template-areas:
    "controls projection"
    "saving saving"
    "fwd fwd";
}

.is-simple-mode .controls-panel .panel-heading,
.is-simple-mode .fwd-panel .panel-heading {
  min-height: 56px;
}

.is-simple-mode .field-stack {
  gap: 14px;
}

.is-simple-mode .fwd-layout {
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
}

.is-simple-mode .fwd-controls {
  grid-template-columns: minmax(240px, 1fr) repeat(2, minmax(112px, 0.42fr));
}

.is-simple-mode .fwd-controls .wide {
  grid-column: auto;
}

.is-simple-mode .fwd-footer {
  justify-content: flex-end;
}

.panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 64px;
  padding: 16px 18px 12px;
  border-bottom: 1px solid rgba(227, 218, 209, 0.7);
}

.chart-heading {
  align-items: flex-start;
}

.chart-actions,
.mini-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.controls-panel {
  grid-area: controls;
  overflow: hidden;
}

.field-stack {
  display: grid;
  gap: 16px;
  padding: 16px 18px 18px;
}

.field-label {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  word-break: keep-all;
}

.range-field {
  display: grid;
  grid-template-columns: minmax(142px, 1fr) minmax(112px, auto);
  gap: 8px 12px;
  align-items: center;
}

.range-field input[type="range"] {
  grid-column: 1 / -1;
}

.range-field output {
  min-width: 76px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: #9A3D1A;
  background: #ffffff;
  font-weight: 900;
  text-align: center;
}

input[type="range"] {
  appearance: none;
  height: 28px;
  padding: 0;
  border: 0;
  background: transparent;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--teal) var(--range-progress, 50%), #E9DED4 var(--range-progress, 50%));
}

input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  margin-top: -8px;
  border: 3px solid #ffffff;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 2px 10px rgba(20, 60, 45, 0.32);
}

input[type="range"]::-moz-range-track {
  height: 4px;
  border-radius: 99px;
  background: #E9DED4;
}

input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border: 3px solid #ffffff;
  border-radius: 50%;
  background: var(--teal);
}

.currency-input,
.percent-input {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  min-width: 132px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  overflow: hidden;
}

.percent-input {
  grid-template-columns: minmax(0, 1fr) auto;
}

.currency-input span,
.percent-input span {
  padding: 0 10px;
  color: var(--teal-dark);
  font-weight: 900;
}

.currency-input input,
.percent-input input {
  min-height: 42px;
  border: 0;
  border-radius: 0;
  color: #9A3D1A;
  font-weight: 900;
  text-align: right;
}

.currency-input input:focus,
.percent-input input:focus {
  box-shadow: none;
}

.split-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.projection-panel {
  grid-area: projection;
  min-width: 0;
  overflow: hidden;
}

.chart-wrap {
  min-height: 360px;
  padding: 18px 18px 0;
}

.chart-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-width: 0;
  margin-bottom: 10px;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  min-width: 0;
  color: var(--ink);
  font-size: clamp(13px, 1.05vw, 16px);
  font-weight: 900;
  line-height: 1.2;
}

.chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  white-space: nowrap;
}

.legend-line {
  display: inline-block;
  width: 34px;
  height: 4px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--brand-green);
}

.legend-line.cost {
  background: var(--brand-orange);
}

.legend-line.saving {
  background: var(--brand-orange-dark);
}

#projectionCanvas {
  display: block;
  width: 100%;
  height: min(44vh, 430px);
  min-height: 340px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, #FFFFFF 0%, #F8F2EC 100%);
}

.milestone-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  max-width: 100%;
  padding: 8px 10px;
  border: 1px solid #D7C7BA;
  border-radius: var(--radius);
  background: rgba(237, 244, 239, 0.96);
  color: var(--teal-dark);
  box-shadow: 0 10px 22px rgba(20, 60, 45, 0.14);
}

.milestone-badge span {
  font-size: 12px;
  font-weight: 800;
}

.milestone-badge strong {
  white-space: nowrap;
  font-size: 13px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding: 12px 18px 14px;
}

.metric {
  display: grid;
  gap: 8px;
  min-height: 88px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.metric span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.metric strong {
  overflow-wrap: anywhere;
  font-size: clamp(18px, 1.55vw, 25px);
  line-height: 1.05;
}

.metric.teal {
  border-color: #B8D0C4;
  background: var(--teal-soft);
  color: var(--teal-dark);
}

.metric.coral {
  border-color: #EDBE9B;
  background: var(--coral-soft);
  color: var(--red);
}

.metric.red {
  border-color: #E9BBA9;
  background: var(--red-soft);
  color: var(--red);
}

.metric.amber {
  border-color: #EBC18D;
  background: var(--amber-soft);
  color: var(--amber);
}

.metric.green {
  border-color: #C7DACF;
  background: #EFF5F0;
  color: #143C2D;
}

.metric.indigo {
  border-color: #EDC6A8;
  background: #FFF3EA;
  color: #9A3D1A;
}

.saving-panel {
  grid-area: saving;
  overflow: hidden;
}

.saving-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 14px;
  padding: 0 18px 18px;
}

.saving-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(150px, 1fr));
  gap: 12px;
  align-items: end;
}

.saving-controls label {
  display: grid;
  gap: 6px;
}

.saving-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.saving-summary article {
  display: grid;
  gap: 4px;
  min-width: 0;
  min-height: 98px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.saving-summary article.is-primary {
  border-color: rgba(20, 60, 45, 0.38);
  background: var(--teal-soft);
}

.saving-summary span,
.saving-summary small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  line-height: 1.35;
}

.saving-summary strong {
  overflow-wrap: anywhere;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.12;
}

.media-row {
  display: grid;
  grid-template-columns: minmax(260px, 1fr);
  gap: 10px;
  padding: 0 18px 18px;
}

.plan-card {
  min-height: 120px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.plan-card {
  display: grid;
  align-items: center;
  gap: 12px;
  height: 100%;
  padding: 14px;
}

.upload-box input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
  pointer-events: none;
}

.plan-card {
  grid-template-columns: minmax(120px, 1fr) minmax(128px, 0.8fr);
}

.plan-preview {
  aspect-ratio: 4 / 3;
  min-height: 96px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface-soft);
}

.plan-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.upload-box {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 6px;
  height: 100%;
  min-height: 96px;
  border: 1px dashed #D9B28F;
  border-radius: var(--radius);
  color: #9A3D1A;
  cursor: pointer;
}

.upload-box svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.upload-box span {
  font-weight: 900;
}

.upload-box small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.premium-panel {
  grid-area: premium;
  overflow: hidden;
}

.premium-table-wrap {
  max-height: 540px;
  overflow: auto;
}

.premium-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.premium-table th,
.premium-table td {
  height: 48px;
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  text-align: right;
}

.premium-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #FFF8F2;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.premium-table th:first-child,
.premium-table td:first-child {
  text-align: center;
}

.premium-table tr.is-custom td {
  background: rgba(237, 244, 239, 0.56);
}

.premium-table input {
  min-height: 32px;
  padding: 0 8px;
  text-align: right;
}

.row-actions {
  display: flex;
  justify-content: flex-end;
  gap: 4px;
}

.row-actions button {
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.row-actions button:hover {
  color: var(--red);
  background: var(--red-soft);
}

.row-actions svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.table-actions {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}

.range-field.compact {
  padding: 16px 18px 18px;
}

.fwd-panel {
  grid-area: fwd;
  grid-column: 1 / -1;
  overflow: hidden;
}

.data-count {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--teal-dark);
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.fwd-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: 14px;
  padding: 0 18px 16px;
  min-width: 0;
}

.fwd-controls {
  display: grid;
  grid-template-columns: minmax(150px, 0.8fr) minmax(180px, 1fr) repeat(2, minmax(110px, 0.55fr));
  gap: 12px;
  align-items: end;
  min-width: 0;
}

.fwd-controls label {
  display: grid;
  gap: 6px;
}

.fwd-controls .wide {
  grid-column: span 2;
}

.fwd-chip-row {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
}

.fwd-chip {
  min-height: 32px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #ffffff;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
}

.fwd-chip:hover,
.fwd-chip:focus-visible,
.fwd-chip.is-active {
  border-color: var(--teal);
  background: var(--teal-soft);
  color: var(--teal-dark);
}

.fwd-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #ffffff;
}

.fwd-summary div {
  min-width: 0;
  padding: 13px 14px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.fwd-summary div:nth-child(2n) {
  border-right: 0;
}

.fwd-summary div:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.fwd-summary span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
}

.fwd-summary strong {
  display: block;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.15;
}

.fwd-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 18px 18px;
}

.fwd-source {
  margin: 0;
  min-width: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.fwd-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 8px;
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
  transform: none;
}

.scenario-panel {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 150px;
  gap: 12px;
  align-items: stretch;
  padding: 14px 18px;
}

.scenario-copy {
  align-self: center;
}

.scenario-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  gap: 12px;
}

.scenario-card {
  position: relative;
  display: grid;
  gap: 10px;
  min-height: 136px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.scenario-card.is-active {
  border-color: var(--teal);
  box-shadow: 0 0 0 2px rgba(20, 60, 45, 0.14);
}

.scenario-menu {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: #9A3D1A;
  cursor: pointer;
}

.scenario-card dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
}

.scenario-card dt,
.scenario-results span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
}

.scenario-card dd {
  margin: 3px 0 0;
  font-weight: 900;
}

.scenario-results {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--red);
  font-weight: 900;
}

.scenario-results.muted {
  color: var(--ink);
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  max-width: min(360px, calc(100vw - 36px));
  padding: 12px 14px;
  border: 1px solid #B8D0C4;
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--ink);
  box-shadow: 0 16px 40px rgba(20, 60, 45, 0.18);
  font-size: 14px;
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.is-collapsed .premium-table-wrap,
.is-collapsed .table-actions,
.is-collapsed .range-field.compact {
  display: none;
}

@media (max-width: 1240px) {
  .main-grid {
    grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
    grid-template-areas:
      "controls saving"
      "projection projection"
      "fwd fwd"
      "premium premium";
  }

  .is-simple-mode .main-grid {
    grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
    grid-template-areas:
      "controls saving"
      "projection projection"
      "fwd fwd";
  }

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

  .decision-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .quick-actions {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .premium-table-wrap {
    max-height: 300px;
  }

  .media-row,
  .metric-grid,
  .saving-layout,
  .scenario-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .scenario-panel {
    grid-template-columns: 130px minmax(0, 1fr);
  }

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

  .fwd-controls {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

}

@media (max-width: 820px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .nav-rail {
    position: static;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    height: auto;
    padding: 0;
  }

  .brand-mark {
    display: none;
  }

  .rail-item {
    min-height: 58px;
    border-left: 0;
    border-bottom: 3px solid transparent;
  }

  .rail-item.is-active {
    border-bottom-color: #DA8134;
  }

  .rail-bottom {
    margin-top: 0;
  }

  .workspace {
    padding: 10px 10px 48px;
  }

  .decision-strip {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 8px;
  }

  .decision-item {
    min-height: 82px;
    padding: 10px;
  }

  .decision-item strong {
    font-size: 17px;
  }

  .topbar,
  .topbar-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .topbar-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .reset-button {
    justify-self: end;
  }

  .quick-flow {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 8px;
  }

  .quick-flow article {
    min-height: 60px;
    padding: 10px;
  }

  .quick-actions {
    grid-template-columns: 1fr;
  }

  .main-grid,
  .media-row,
  .metric-grid,
  .saving-layout,
  .saving-controls,
  .saving-summary,
  .fwd-controls,
  .scenario-panel,
  .scenario-cards {
    grid-template-columns: 1fr;
  }

  .main-grid {
    grid-template-areas:
      "controls"
      "saving"
      "fwd"
      "projection"
      "premium";
  }

  .is-simple-mode .main-grid {
    grid-template-areas:
      "controls"
      "saving"
      "fwd"
      "projection";
  }

  .is-simple-mode .fwd-layout,
  .is-simple-mode .fwd-controls {
    grid-template-columns: 1fr;
  }

  .fwd-controls .wide {
    grid-column: auto;
  }

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

  .fwd-summary div,
  .fwd-summary div:nth-child(2n),
  .fwd-summary div:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .fwd-summary div:last-child {
    border-bottom: 0;
  }

  .fwd-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .fwd-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .chart-actions {
    display: none;
  }

  .chart-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .chart-legend {
    display: none;
  }

  .milestone-badge {
    width: 100%;
  }

  #projectionCanvas {
    height: 330px;
  }

  .milestone-badge {
    justify-content: space-between;
  }

  .plan-card {
    grid-template-columns: 1fr;
  }

  .scenario-copy {
    align-self: start;
  }

}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}