* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-base-serif);
  background: radial-gradient(
    circle at top,
    var(--bg-grad-1) 0%,
    var(--bg-grad-2) 55%,
    var(--bg-grad-3) 100%
  );
  color: var(--ink);
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

.hero {
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 2.6rem;
  margin: 0 0 8px;
}

.hero p {
  margin: 0;
  color: var(--muted);
}

.panel {
  background: var(--panel);
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 18px;
  box-shadow: 0 16px 40px var(--shadow);
  border: 1px solid var(--border);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.field label {
  font-weight: 600;
}

.field-full {
  grid-column: span 2;
}

.field input,
.field select {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--ink);
  font-size: 0.95rem;
}

.field input::placeholder {
  color: var(--muted);
}

.actions {
  display: flex;
  justify-content: flex-end;
}

.quick-range {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.quick-range-label {
  display: none;
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.quick-range-btn {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
}

.quick-range-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

button {
  background: var(--accent);
  color: var(--button-text);
  border: none;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.05);
}

.footer {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: right;
}

.chart {
  height: 320px;
  width: 100%;
}

.metric-text {
  display: none;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  width: 100%;
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  text-align: center;
}

.metric-text-subtle {
  color: var(--muted);
  font-weight: 500;
  font-size: 1.2rem;
}

.panel-title {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.ltss-fold {
  margin: 0;
}

.ltss-fold-summary {
  cursor: pointer;
  font-weight: 600;
  margin-bottom: 0;
  display: list-item;
  list-style-position: inside;
  line-height: 1.4;
}

.ltss-fold[open] .ltss-fold-summary {
  margin-bottom: 16px;
}

.ltss-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
}

.ltss-card {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  grid-column: span 2;
}

.ltss-card--full {
  grid-column: 1 / -1;
}

.ltss-card--value {
  grid-column: span 1;
}

.ltss-card--text .ltss-chart-canvas {
  display: none;
}

.ltss-card--text .ltss-chart-text {
  height: 140px;
  font-size: 1.8rem;
}

.ltss-card--value .ltss-chart-canvas {
  display: none;
}

.ltss-card--value .ltss-chart-text {
  height: 140px;
  font-size: 2.2rem;
}

.ltss-card-title {
  margin: 0 0 4px;
  font-weight: 600;
}

.ltss-card-subtitle {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.ltss-card-subtitle[data-tooltip] {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: help;
}

.ltss-card-subtitle[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 0;
  top: calc(100% + 0.4rem);
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.4rem 0.6rem;
  font-size: 0.8rem;
  line-height: 1.2;
  white-space: nowrap;
  box-shadow: 0 12px 24px var(--shadow);
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition:
    opacity 150ms ease,
    transform 150ms ease;
  z-index: 10;
}

.ltss-card-subtitle[data-tooltip]::before {
  content: "";
  position: absolute;
  left: 0.6rem;
  top: calc(100% + 0.1rem);
  border-width: 0.3rem;
  border-style: solid;
  border-color: transparent transparent var(--panel) transparent;
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition:
    opacity 150ms ease,
    transform 150ms ease;
  z-index: 11;
}

.ltss-card-subtitle[data-tooltip]:hover::after,
.ltss-card-subtitle[data-tooltip]:focus-visible::after,
.ltss-card-subtitle[data-tooltip]:hover::before,
.ltss-card-subtitle[data-tooltip]:focus-visible::before {
  opacity: 1;
  transform: translateY(0);
}

.ltss-card-subtitle-tooltip {
  display: none;
}

.ltss-chart {
  position: relative;
}

.ltss-card-header {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  align-items: baseline;
}

.ltss-card-latest {
  margin-left: auto;
  font-size: 0.85rem;
  color: var(--ink);
  background: rgba(15, 19, 32, 0.7);
  padding: 4px 10px;
  border-radius: 999px;
  pointer-events: none;
}

.ltss-card-latest.is-hidden {
  display: none;
}

.ltss-chart-canvas,
.ltss-chart-text {
  width: 100%;
  height: 240px;
}

.ltss-chart-text {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 600;
  color: var(--ink);
}

.ltss-chart-status {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 8px;
}

.ltss-chart-status.is-hidden,
.ltss-chart-text.is-hidden {
  display: none;
}

@media (min-width: 720px) {
  .panel:first-of-type {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .actions {
    grid-column: span 2;
  }
}

@media (max-width: 720px) {
  .ltss-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .ltss-grid {
    grid-template-columns: repeat(2, minmax(180px, 1fr));
  }
}

/* flatpickr */

.flatpickr-calendar {
  background: var(--fp-bg-dark);
  box-shadow: 0 18px 40px var(--shadow);
  border: 1px solid var(--fp-border);
  margin-top: 12px;
}

.flatpickr-calendar.arrowTop:before {
  border-bottom-color: var(--fp-bg-dark);
}
.flatpickr-calendar.arrowBottom:before {
  border-top-color: var(--fp-bg-dark);
}

.flatpickr-time input:hover,
.flatpickr-time .flatpickr-am-pm:hover,
.flatpickr-time input:focus,
.flatpickr-time .flatpickr-am-pm:focus,
.flatpickr-current-month .flatpickr-monthDropdown-months {
  background: var(--fp-bg-medium);
}

.numInputWrapper:hover,
.flatpickr-current-month .flatpickr-monthDropdown-months:hover,
.flatpickr-current-month
  .flatpickr-monthDropdown-months
  .flatpickr-monthDropdown-month {
  background: var(--fp-bg-dark);
}

.flatpickr-current-month
  .flatpickr-monthDropdown-months:hover
  .flatpickr-monthDropdown-month:hover,
.flatpickr-current-month
  .flatpickr-monthDropdown-months
  .flatpickr-monthDropdown-month:hover {
  background-color: var(--test);
}

.flatpickr-months .flatpickr-month,
.flatpickr-months .flatpickr-prev-month,
.flatpickr-months .flatpickr-next-month,
span.flatpickr-weekday {
  color: var(--fp-text);
  fill: var(--fp-text);
}

.flatpickr-months .flatpickr-month {
  background: var(--fp-bg-medium);
}
span.flatpickr-weekday {
  background: var(--fp-bg-dark);
}

.flatpickr-months .flatpickr-prev-month:hover,
.flatpickr-months .flatpickr-next-month:hover {
  color: var(--fp-text-muted);
}

.flatpickr-months .flatpickr-prev-month:hover svg,
.flatpickr-months .flatpickr-next-month:hover svg {
  fill: var(--fp-text);
}

.dayContainer + .dayContainer {
  box-shadow: -1px 0 0 var(--fp-bg-dark);
}

.flatpickr-day.inRange,
.flatpickr-day.prevMonthDay.inRange,
.flatpickr-day.nextMonthDay.inRange,
.flatpickr-day.today.inRange,
.flatpickr-day.prevMonthDay.today.inRange,
.flatpickr-day.nextMonthDay.today.inRange,
.flatpickr-day:hover,
.flatpickr-day.prevMonthDay:hover,
.flatpickr-day.nextMonthDay:hover,
.flatpickr-day:focus,
.flatpickr-day.prevMonthDay:focus,
.flatpickr-day.nextMonthDay:focus {
  background: var(--fp-accent);
  border-color: var(--fp-accent);
}

.flatpickr-day.selected,
.flatpickr-day.startRange,
.flatpickr-day.endRange,
.flatpickr-day.selected.inRange,
.flatpickr-day.startRange.inRange,
.flatpickr-day.endRange.inRange,
.flatpickr-day.selected:focus,
.flatpickr-day.startRange:focus,
.flatpickr-day.endRange:focus,
.flatpickr-day.selected:hover,
.flatpickr-day.startRange:hover,
.flatpickr-day.endRange:hover,
.flatpickr-day.selected.prevMonthDay,
.flatpickr-day.startRange.prevMonthDay,
.flatpickr-day.endRange.prevMonthDay,
.flatpickr-day.selected.nextMonthDay,
.flatpickr-day.startRange.nextMonthDay,
.flatpickr-day.endRange.nextMonthDay {
  background: var(--fp-selection);
  color: var(--fp-text);
  border-color: var(--fp-selection);
}