:root {
  --bg: #0f1a20;
  --panel: rgba(18, 32, 41, 0.92);
  --panel-border: rgba(154, 196, 214, 0.18);
  --copy: #f4f1ea;
  --muted: #acc3ce;
  --accent: #ff8c42;
  --accent-soft: rgba(255, 140, 66, 0.14);
  --grid: #203445;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  --control-bg: #fffaf1;
  --control-copy: #102331;
  --control-hover: #f1e4d4;
  --control-selected: #ffd8b9;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--copy);
  background:
    radial-gradient(circle at top left, rgba(255, 140, 66, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(89, 146, 168, 0.16), transparent 24%),
    linear-gradient(180deg, #0d151b 0%, #13232d 100%);
  min-height: 100vh;
}

.app-shell {
  width: min(1540px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 40px;
}

.hero {
  padding: 24px 24px 10px;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  margin: 0;
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-size: clamp(2.3rem, 5vw, 4.3rem);
  line-height: 0.95;
}

.hero-copy {
  max-width: 760px;
  margin: 14px 0 0;
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--muted);
}

.control-grid {
  display: grid;
  grid-template-columns: minmax(460px, 560px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.panel {
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.panel-head {
  padding: 24px 24px 8px;
}

.panel-head h2 {
  margin: 0;
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-size: 1.2rem;
}

.panel-head p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 0 24px;
}

.field {
  padding: 8px 24px 0;
}

.field-row .field {
  padding: 8px 0 0;
}

.upload-box {
  min-height: 78px;
  padding: 16px;
  border: 1px dashed rgba(255, 140, 66, 0.72);
  border-radius: 14px;
  background: rgba(255, 140, 66, 0.1);
  color: #fff4e6;
  cursor: pointer;
}

.upload-box > div {
  display: grid;
  gap: 4px;
  place-items: center;
  min-height: 44px;
  text-align: center;
  line-height: 1.35;
}

.upload-box span:first-child {
  font-weight: 700;
}

.upload-box span:last-child,
.upload-status {
  color: var(--muted);
  font-size: 0.9rem;
}

.upload-status {
  min-height: 22px;
  margin-top: 8px;
  line-height: 1.4;
}

.field label,
.slider-head label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #d4e2e9;
}

.field .Select-control,
.field .Select-menu-outer,
.field .Select-menu,
.field .Select__control,
.field .Select__menu,
.field .VirtualizedSelectOption {
  background: var(--control-bg) !important;
  border-color: rgba(154, 196, 214, 0.22) !important;
  color: var(--control-copy) !important;
}

.field .Select-control,
.field .Select__control {
  min-height: 48px;
  border-radius: 14px;
  box-shadow: none !important;
}

.field .Select-placeholder,
.field .Select-value-label,
.field .Select-input > input,
.field .Select__single-value,
.field .Select__placeholder,
.field .Select__input-container,
.field .VirtualizedSelectOption {
  font-size: 1rem !important;
}

.field .Select-value,
.field .Select--single > .Select-control .Select-value,
.field .Select-input,
.field .Select__value-container {
  line-height: 46px !important;
}

.field .Select-placeholder,
.field .Select-value-label,
.field .Select-value,
.field .Select-input > input,
.field .Select-arrow-zone,
.field .Select-clear-zone,
.field .Select__single-value,
.field .Select__placeholder,
.field .Select__input-container,
.field .Select__indicator,
.field .VirtualizedSelectOption {
  color: var(--control-copy) !important;
  -webkit-text-fill-color: var(--control-copy) !important;
  opacity: 1 !important;
}

.field .Select-placeholder,
.field .Select--single > .Select-control .Select-value,
.field .Select.has-value.Select--single > .Select-control .Select-value .Select-value-label,
.field .Select.has-value.is-pseudo-focused.Select--single > .Select-control .Select-value .Select-value-label,
.field .Select--single > .Select-control .Select-value a,
.field .Select--single > .Select-control .Select-value span,
.field .Select-value-label,
.field .Select-value-label:hover {
  color: var(--control-copy) !important;
  -webkit-text-fill-color: var(--control-copy) !important;
  opacity: 1 !important;
}

.field .Select.is-disabled > .Select-control,
.field .Select.is-disabled .Select-value-label,
.field .Select.is-disabled .Select-placeholder,
.field .Select.is-disabled .Select-arrow-zone,
.field .Select__control--is-disabled,
.field .Select__control--is-disabled *,
.field .is-disabled {
  background: var(--control-bg) !important;
  color: var(--control-copy) !important;
  -webkit-text-fill-color: var(--control-copy) !important;
  opacity: 1 !important;
}

.field .Select.is-focused > .Select-control,
.field .Select__control--is-focused {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px rgba(255, 140, 66, 0.16) !important;
}

.field .Select-option,
.field .Select__option,
.field .VirtualizedSelectOption {
  background: var(--control-bg) !important;
  color: var(--control-copy) !important;
  -webkit-text-fill-color: var(--control-copy) !important;
}

.field .Select-option.is-focused,
.field .Select-option:hover,
.field .Select__option--is-focused,
.field .VirtualizedSelectFocusedOption {
  background: var(--control-hover) !important;
  color: var(--control-copy) !important;
  -webkit-text-fill-color: var(--control-copy) !important;
}

.field .Select-option.is-selected,
.field .Select__option--is-selected,
.field .VirtualizedSelectSelectedOption {
  background: var(--control-selected) !important;
  color: var(--control-copy) !important;
  -webkit-text-fill-color: var(--control-copy) !important;
}

.Select-control,
.Select-menu-outer,
.Select-menu,
.Select-option,
.Select__control,
.Select__menu,
.Select__option,
.VirtualizedSelectOption {
  background: var(--control-bg) !important;
  color: var(--control-copy) !important;
  -webkit-text-fill-color: var(--control-copy) !important;
}

.Select-placeholder,
.Select-value,
.Select-value-label,
.Select-input > input,
.Select-arrow-zone,
.Select-clear-zone,
.Select__single-value,
.Select__placeholder,
.Select__input-container,
.Select__indicator,
.Select-menu-outer *,
.Select__menu * {
  color: var(--control-copy) !important;
  -webkit-text-fill-color: var(--control-copy) !important;
  opacity: 1 !important;
}

.Select-option.is-focused,
.Select-option:hover,
.Select__option--is-focused,
.VirtualizedSelectFocusedOption {
  background: var(--control-hover) !important;
  color: var(--control-copy) !important;
  -webkit-text-fill-color: var(--control-copy) !important;
}

.Select-option.is-selected,
.Select__option--is-selected,
.VirtualizedSelectSelectedOption {
  background: var(--control-selected) !important;
  color: var(--control-copy) !important;
  -webkit-text-fill-color: var(--control-copy) !important;
}

.dash-dropdown,
.dash-dropdown-trigger,
.dash-dropdown-grid-container,
.dash-dropdown-value,
.dash-dropdown-value-item,
.dash-dropdown-content,
.dash-dropdown-option {
  background: var(--control-bg) !important;
  color: var(--control-copy) !important;
  -webkit-text-fill-color: var(--control-copy) !important;
}

.dash-dropdown,
.dash-dropdown-trigger {
  border-color: rgba(154, 196, 214, 0.22) !important;
  border-radius: 8px !important;
}

.dash-dropdown *,
.dash-dropdown-content *,
.dash-dropdown-option * {
  color: var(--control-copy) !important;
  -webkit-text-fill-color: var(--control-copy) !important;
  opacity: 1 !important;
}

.dash-dropdown-option:hover,
.dash-dropdown-option[data-highlighted],
.dash-dropdown-option[data-state="checked"] {
  background: var(--control-hover) !important;
  color: var(--control-copy) !important;
}

[role="listbox"],
[role="option"] {
  background: var(--control-bg) !important;
  color: var(--control-copy) !important;
  -webkit-text-fill-color: var(--control-copy) !important;
}

[role="option"]:hover,
[role="option"][data-highlighted],
[role="option"][data-state="checked"] {
  background: var(--control-hover) !important;
  color: var(--control-copy) !important;
}

.slider-stack {
  padding: 12px 24px 20px;
}

.slider-block {
  padding: 16px 0;
  border-top: 1px solid rgba(154, 196, 214, 0.12);
}

.slider-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.slider-value {
  color: #ffb072;
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.45);
}

.status-banner {
  margin: 0 24px 24px;
  padding: 14px 16px;
  border-radius: 16px;
  background: var(--accent-soft);
  color: #ffd5ba;
  line-height: 1.45;
}

.panel-plot {
  padding-bottom: 10px;
}

#projection-graph {
  height: 960px;
  min-height: 960px;
}

.js-plotly-plot,
.js-plotly-plot .plot-container {
  width: 100%;
}

#projection-graph .js-plotly-plot,
#projection-graph .plot-container,
#projection-graph .svg-container {
  height: 100% !important;
}

.rc-slider-mark-text {
  color: #c8d8df !important;
  opacity: 1 !important;
}

.rc-slider-mark-text-active {
  color: #fff4e6 !important;
  opacity: 1 !important;
}

.slider-block .rc-slider-mark-text,
.slider-block .rc-slider-mark-text-active {
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.55) !important;
}

.rc-slider-tooltip,
.rc-slider-tooltip * {
  color: var(--control-copy) !important;
  -webkit-text-fill-color: var(--control-copy) !important;
}

.rc-slider-tooltip-inner {
  background: #fff4e6 !important;
  border: 1px solid rgba(255, 140, 66, 0.55) !important;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3) !important;
}

.rc-slider-tooltip-arrow {
  border-top-color: #fff4e6 !important;
}

.dash-slider-mark {
  color: #d7e7ee !important;
  -webkit-text-fill-color: #d7e7ee !important;
  opacity: 1 !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6) !important;
}

.dash-slider-mark-outside-selection {
  color: #b8ced8 !important;
  -webkit-text-fill-color: #b8ced8 !important;
}

.dash-slider-track {
  background: rgba(154, 196, 214, 0.22) !important;
}

.dash-slider-range {
  background: var(--accent) !important;
}

.dash-slider-thumb {
  background: #fff3e7 !important;
  border: 2px solid var(--accent) !important;
  box-shadow: 0 0 0 4px rgba(255, 140, 66, 0.18) !important;
}

.dash-slider-thumb::after,
.dash-slider-thumb::before {
  color: var(--control-copy) !important;
  background: #fff4e6 !important;
}

.rc-slider-dot,
.rc-slider-track {
  background-color: var(--accent) !important;
  border-color: var(--accent) !important;
}

.rc-slider-handle {
  border-color: var(--accent) !important;
  background-color: #fff3e7 !important;
  box-shadow: 0 0 0 4px rgba(255, 140, 66, 0.18) !important;
}

@media (max-width: 980px) {
  .app-shell {
    width: min(100vw - 18px, 1540px);
    padding-top: 18px;
  }

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

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

  .hero {
    padding-left: 12px;
    padding-right: 12px;
  }

  #projection-graph {
    height: 780px;
    min-height: 780px;
  }
}