/*
 * GrassUI is the framework-neutral visual foundation for Grass web products.
 * Keep product layouts and business-specific states in their owning app; put
 * shared tokens and primitives here so Vue, React and Blazor stay coherent.
 */
:root {
  color-scheme: light;
  --grass-color-brand: #16803c;
  --grass-color-brand-strong: #0d6330;
  --grass-color-brand-soft: #eaf7ee;
  --grass-color-brand-rgb: 22, 128, 60;
  --grass-color-canvas: #f5f8f6;
  --grass-color-surface: #ffffff;
  --grass-color-surface-muted: #f8fbf9;
  --grass-color-surface-disabled: #eef3ef;
  --grass-color-text: #17221a;
  --grass-color-text-muted: #617066;
  --grass-color-text-subtle: #829087;
  --grass-color-border: #dbe5de;
  --grass-color-border-strong: #b7c8bc;
  --grass-color-danger: #c53737;
  --grass-color-danger-soft: #fff0f0;
  --grass-color-danger-border: #efbcbc;
  --grass-color-warning: #9a6512;
  --grass-color-warning-soft: #fff8e8;
  --grass-color-warning-border: #efd49a;
  --grass-color-success-border: #b7dfc2;
  --grass-color-data-1: #16803c;
  --grass-color-data-2: #2878b8;
  --grass-color-data-3: #9a6512;
  --grass-color-data-4: #7b55b5;
  --grass-color-data-5: #c53737;
  --grass-color-data-6: #16858c;
  --grass-color-data-7: #6f7b33;
  --grass-color-data-8: #a64d79;
  --grass-color-focus-ring: rgb(22 128 60 / 22%);
  --grass-radius-sm: .5rem;
  --grass-radius-md: .75rem;
  --grass-radius-lg: 1rem;
  --grass-radius-xl: 1.25rem;
  --grass-shadow-sm: 0 1px 2px rgb(18 47 29 / 6%);
  --grass-shadow-md: 0 10px 30px rgb(18 47 29 / 8%);
  --grass-shadow-lg: 0 24px 56px rgb(18 47 29 / 12%);
  --grass-font-sans: Inter, "Microsoft YaHei UI", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --grass-color-brand: #49b973;
  --grass-color-brand-strong: #7cdd9d;
  --grass-color-brand-soft: #163f25;
  --grass-color-brand-rgb: 73, 185, 115;
  --grass-color-canvas: #101713;
  --grass-color-surface: #17231c;
  --grass-color-surface-muted: #1d2b22;
  --grass-color-surface-disabled: #25342a;
  --grass-color-text: #edf6ef;
  --grass-color-text-muted: #aec2b4;
  --grass-color-text-subtle: #8ea497;
  --grass-color-border: #304438;
  --grass-color-border-strong: #4a6351;
  --grass-color-danger: #ff8580;
  --grass-color-danger-soft: #472221;
  --grass-color-danger-border: #75403d;
  --grass-color-warning: #f5c65e;
  --grass-color-warning-soft: #493b1d;
  --grass-color-warning-border: #75612e;
  --grass-color-success-border: #3f704e;
  --grass-color-data-1: #49b973;
  --grass-color-data-2: #62aee8;
  --grass-color-data-3: #f5c65e;
  --grass-color-data-4: #b79ae8;
  --grass-color-data-5: #ff8580;
  --grass-color-data-6: #5bc4ca;
  --grass-color-data-7: #b4c46a;
  --grass-color-data-8: #e38ab7;
  --grass-color-focus-ring: rgb(124 221 157 / 35%);
  --grass-shadow-sm: 0 1px 2px rgb(0 0 0 / 28%);
  --grass-shadow-md: 0 10px 30px rgb(0 0 0 / 30%);
  --grass-shadow-lg: 0 24px 56px rgb(0 0 0 / 38%);
}

*, *::before, *::after { box-sizing: border-box; }

.grass-ui,
.gu-app {
  color: var(--grass-color-text);
  font-family: var(--grass-font-sans);
}

.gu-app {
  min-height: 100vh;
  background:
    radial-gradient(circle at 100% 0, rgb(22 128 60 / 7%), transparent 25rem),
    var(--grass-color-canvas);
}

.gu-workspace { min-width: 0; }

.gu-surface,
.gu-card {
  background: var(--grass-color-surface);
  border: 1px solid var(--grass-color-border);
  border-radius: var(--grass-radius-lg);
  box-shadow: var(--grass-shadow-sm);
}

.gu-card { padding: 1.25rem; }

.gu-kicker {
  margin: 0 0 .35rem;
  color: var(--grass-color-brand);
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .09em;
  line-height: 1.2;
  text-transform: uppercase;
}

.gu-page-title {
  margin: 0;
  color: var(--grass-color-text);
  font-size: clamp(1.35rem, 1.1rem + 1vw, 2rem);
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: 1.2;
}

.gu-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: 2.5rem;
  padding: .55rem .9rem;
  border: 1px solid transparent;
  border-radius: var(--grass-radius-sm);
  background: var(--grass-color-surface);
  color: var(--grass-color-text);
  font: inherit;
  font-size: .875rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.gu-action:hover:not(:disabled) { transform: translateY(-1px); box-shadow: var(--grass-shadow-sm); }
.gu-action:disabled { cursor: not-allowed; opacity: .55; }
.gu-action--primary { background: var(--grass-color-brand); color: #fff; }
.gu-action--primary:hover:not(:disabled) { background: var(--grass-color-brand-strong); }
.gu-action--secondary { border-color: var(--grass-color-border); }
.gu-action--secondary:hover:not(:disabled) { background: var(--grass-color-surface-muted); border-color: var(--grass-color-border-strong); }
.gu-action--danger { background: var(--grass-color-danger); color: #fff; }

.gu-field {
  width: 100%;
  min-height: 2.5rem;
  padding: .55rem .7rem;
  border: 1px solid var(--grass-color-border);
  border-radius: var(--grass-radius-sm);
  background: var(--grass-color-surface);
  color: var(--grass-color-text);
  font: inherit;
  box-shadow: 0 0 0 0 transparent;
  transition: border-color .15s ease, box-shadow .15s ease, background-color .15s ease;
}

.gu-field:disabled {
  cursor: not-allowed;
  background-color: var(--grass-color-surface-disabled);
  color: var(--grass-color-text-subtle);
  opacity: 1;
}

.gu-field:focus { border-color: var(--grass-color-brand); outline: 0; box-shadow: 0 0 0 3px var(--grass-color-focus-ring); }

/*
 * Native selects are the common integration surface across Grass products.
 * Keep a conservative fallback for platform pickers, then progressively opt
 * single-value selects into the standardized customizable-select rendering.
 * `:where()` keeps these shared defaults easy for product styles to override.
 */
:where(select) {
  color-scheme: inherit;
}

:where(select) > :where(option, optgroup) {
  background-color: var(--grass-color-surface);
  color: var(--grass-color-text);
  font: inherit;
}

:where(select) > option:disabled {
  color: var(--grass-color-text-subtle);
}

@supports (appearance: base-select) and selector(select::picker(select)) {
  :where(select:not([multiple]):not([size])),
  :where(select:not([multiple]):not([size]))::picker(select) {
    appearance: base-select;
  }

  :where(select:not([multiple]):not([size])) {
    align-items: center;
    gap: .75rem;
  }

  :where(select:not([multiple]):not([size]))::picker(select) {
    max-height: min(20rem, 50vh);
    margin-block: .25rem;
    overflow-y: auto;
    padding: .3rem;
    border: 1px solid var(--grass-color-border-strong);
    border-radius: var(--grass-radius-sm);
    background: var(--grass-color-surface);
    color: var(--grass-color-text);
    box-shadow: var(--grass-shadow-md);
  }

  :where(select:not([multiple]):not([size]))::picker-icon {
    color: var(--grass-color-text-muted);
    transition: color .18s ease, transform .18s ease;
  }

  :where(select:not([multiple]):not([size])):open::picker-icon {
    color: var(--grass-color-brand-strong);
    transform: rotate(180deg);
  }

  :where(select:not([multiple]):not([size]) option) {
    min-height: 2.25rem;
    align-items: center;
    gap: .625rem;
    padding: .55rem .65rem;
    border: 0;
    border-radius: calc(var(--grass-radius-sm) - .125rem);
    background: transparent;
    color: var(--grass-color-text);
    cursor: pointer;
  }

  :where(select:not([multiple]):not([size]) option)::checkmark {
    order: 2;
    margin-inline-start: auto;
    color: var(--grass-color-brand-strong);
  }

  :where(select:not([multiple]):not([size]) option:hover:not(:disabled)),
  :where(select:not([multiple]):not([size]) option:focus-visible) {
    background: var(--grass-color-surface-muted);
    outline: 0;
  }

  :where(select:not([multiple]):not([size]) option:checked) {
    background: var(--grass-color-brand-soft);
    color: var(--grass-color-brand-strong);
    font-weight: 700;
  }

  :where(select:not([multiple]):not([size]) option:disabled) {
    color: var(--grass-color-text-subtle);
    cursor: not-allowed;
    opacity: .65;
  }

  :where(select:not([multiple]):not([size]) optgroup) {
    margin-block: .2rem;
    padding-block: .25rem;
    border-block: 1px solid var(--grass-color-border);
    color: var(--grass-color-text-muted);
    font-weight: 700;
  }
}

.gu-action:focus-visible,
.gu-select__trigger:focus-visible,
.gu-tab:focus-visible { outline: 3px solid var(--grass-color-focus-ring); outline-offset: 2px; }

.gu-status {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  padding: .3rem .6rem;
  border: 1px solid var(--grass-color-border);
  border-radius: 999px;
  background: var(--grass-color-surface-muted);
  color: var(--grass-color-text-muted);
  font-size: .75rem;
  font-weight: 700;
}
.gu-status--success { border-color: var(--grass-color-success-border); background: var(--grass-color-brand-soft); color: var(--grass-color-brand-strong); }
.gu-status--warning { border-color: var(--grass-color-warning-border); background: var(--grass-color-warning-soft); color: var(--grass-color-warning); }
.gu-status--danger { border-color: var(--grass-color-danger-border); background: var(--grass-color-danger-soft); color: var(--grass-color-danger); }

.gu-stack { display: grid; gap: 1rem; }
.gu-stack--compact { gap: .625rem; }
.gu-grid { display: grid; gap: 1rem; }
.gu-grid--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.gu-grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.gu-label {
  display: block;
  margin-bottom: .375rem;
  color: var(--grass-color-text);
  font-size: .8125rem;
  font-weight: 700;
}

.gu-hint { margin: .375rem 0 0; color: var(--grass-color-text-muted); font-size: .75rem; line-height: 1.45; }
.gu-divider { height: 1px; margin: 1.25rem 0; border: 0; background: var(--grass-color-border); }

.gu-select { position: relative; width: 100%; }
.gu-select.is-open { z-index: 30; }
.gu-select__native-source {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  overflow: hidden !important;
  padding: 0 !important;
  border: 0 !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
}
.gu-select__trigger {
  display: flex;
  width: 100%;
  min-height: 2.5rem;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .55rem .7rem;
  border: 1px solid var(--grass-color-border);
  border-radius: var(--grass-radius-sm);
  background: var(--grass-color-surface);
  color: var(--grass-color-text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.gu-select__trigger:hover { border-color: var(--grass-color-border-strong); }
.gu-select__trigger:disabled { cursor: not-allowed; background: var(--grass-color-surface-disabled); color: var(--grass-color-text-subtle); opacity: 1; }
.gu-select.is-open .gu-select__trigger { border-color: var(--grass-color-brand); border-bottom-color: var(--grass-color-border); border-radius: var(--grass-radius-sm) var(--grass-radius-sm) 0 0; }
.gu-select.is-open .gu-select__trigger:focus-visible { outline: 0; }
.gu-select__chevron { display: inline-grid; width: 1.5rem; height: 1.5rem; flex: 0 0 auto; place-items: center; border-radius: 50%; background: var(--grass-color-surface-muted); color: var(--grass-color-text-muted); transition: background-color .18s ease, color .18s ease, transform .18s ease; }
.gu-select__chevron svg { width: 1rem; height: 1rem; }
.gu-select__trigger[aria-expanded="true"] .gu-select__chevron { transform: rotate(180deg); background: var(--grass-color-brand-soft); color: var(--grass-color-brand-strong); }
.gu-select__menu {
  position: absolute;
  z-index: 1;
  top: calc(100% - 1px);
  right: 0;
  left: 0;
  display: grid;
  gap: .2rem;
  max-height: 18rem;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  padding: .3rem;
  border: 1px solid var(--grass-color-brand);
  border-top: 0;
  border-radius: 0 0 var(--grass-radius-sm) var(--grass-radius-sm);
  background: var(--grass-color-surface);
  box-shadow: 0 .75rem 1.5rem rgb(18 47 29 / 12%);
  transform-origin: top;
  animation: gu-select-expand .14s ease-out;
}
.gu-select__menu[hidden] { display: none; }
.gu-select__group { display: grid; gap: .2rem; }
.gu-select__group + .gu-select__group { margin-top: .2rem; padding-top: .3rem; border-top: 1px solid var(--grass-color-border); }
.gu-select__group-label { padding: .35rem .65rem .2rem; color: var(--grass-color-text-muted); font-size: .6875rem; font-weight: 800; letter-spacing: .04em; }
.gu-select__option { width: 100%; padding: .6rem .65rem; border: 0; border-radius: calc(var(--grass-radius-sm) - .125rem); background: transparent; color: var(--grass-color-text); font: inherit; font-size: .875rem; text-align: left; cursor: pointer; }
.gu-select__option:disabled, .gu-select__option[aria-disabled="true"] { cursor: not-allowed; color: var(--grass-color-text-subtle); opacity: .65; }
.gu-select__option:hover, .gu-select__option:focus-visible { background: var(--grass-color-surface-muted); outline: none; }
.gu-select__option[aria-selected="true"] { background: var(--grass-color-brand-soft); color: var(--grass-color-brand-strong); font-weight: 700; }

@keyframes gu-select-expand {
  from { opacity: 0; transform: scaleY(.96); }
  to { opacity: 1; transform: scaleY(1); }
}

@media (prefers-reduced-motion: reduce) {
  .gu-select__menu { animation: none; }
}

.gu-icon-button { display: inline-grid; width: 2.25rem; height: 2.25rem; flex: 0 0 auto; place-items: center; padding: 0; border: 1px solid var(--grass-color-border); border-radius: 50%; background: var(--grass-color-surface-muted); color: var(--grass-color-text-muted); cursor: pointer; transition: background-color .18s ease, border-color .18s ease, color .18s ease, transform .18s ease; }
.gu-icon-button:hover { transform: translateY(-1px); border-color: var(--grass-color-border-strong); background: var(--grass-color-brand-soft); color: var(--grass-color-brand-strong); }
.gu-icon-button svg { width: 1rem; height: 1rem; }
.gu-icon-button:focus-visible { outline: 3px solid rgb(22 128 60 / 22%); outline-offset: 2px; }

.gu-check-row {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  color: var(--grass-color-text);
  font-size: .875rem;
  line-height: 1.3;
  cursor: pointer;
}

.gu-check-row input { width: 1rem; height: 1rem; margin: 0; accent-color: var(--grass-color-brand); }

.gu-switch {
  position: relative;
  display: inline-flex;
  width: 2.5rem;
  height: 1.5rem;
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--grass-color-border-strong);
  cursor: pointer;
  transition: background-color .18s ease;
}

.gu-switch input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.gu-switch::after { width: 1.125rem; height: 1.125rem; margin: .1875rem; border-radius: 50%; background: #fff; box-shadow: var(--grass-shadow-sm); content: ""; transition: transform .18s ease; }
.gu-switch:has(input:checked) { background: var(--grass-color-brand); }
.gu-switch:has(input:checked)::after { transform: translateX(1rem); }
.gu-switch:has(input:focus-visible) { outline: 3px solid var(--grass-color-focus-ring); outline-offset: 2px; }

.gu-tabs { display: flex; gap: .25rem; overflow-x: auto; padding: .25rem; border: 1px solid var(--grass-color-border); border-radius: var(--grass-radius-md); background: var(--grass-color-surface-muted); }
.gu-tab { min-height: 2.25rem; padding: .45rem .75rem; border: 0; border-radius: var(--grass-radius-sm); background: transparent; color: var(--grass-color-text-muted); font: inherit; font-size: .8125rem; font-weight: 700; white-space: nowrap; cursor: pointer; }
.gu-tab:hover { color: var(--grass-color-text); }
.gu-tab[aria-selected="true"] { background: var(--grass-color-surface); color: var(--grass-color-brand-strong); box-shadow: var(--grass-shadow-sm); }

.gu-alert { display: flex; gap: .75rem; align-items: flex-start; padding: .875rem 1rem; border: 1px solid var(--grass-color-border); border-radius: var(--grass-radius-md); background: var(--grass-color-surface-muted); color: var(--grass-color-text); font-size: .875rem; line-height: 1.45; }
.gu-alert strong { display: block; margin-bottom: .1rem; }
.gu-alert--success { border-color: var(--grass-color-success-border); background: var(--grass-color-brand-soft); }
.gu-alert--warning { border-color: var(--grass-color-warning-border); background: var(--grass-color-warning-soft); }
.gu-alert--danger { border-color: var(--grass-color-danger-border); background: var(--grass-color-danger-soft); }

.gu-table-wrap { overflow-x: auto; border: 1px solid var(--grass-color-border); border-radius: var(--grass-radius-md); }
.gu-table { width: 100%; border-collapse: collapse; background: var(--grass-color-surface); font-size: .8125rem; }
.gu-table th, .gu-table td { padding: .75rem 1rem; border-bottom: 1px solid var(--grass-color-border); text-align: left; white-space: nowrap; }
.gu-table th { background: var(--grass-color-surface-muted); color: var(--grass-color-text-muted); font-size: .6875rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.gu-table tbody tr:last-child td { border-bottom: 0; }
.gu-table tbody tr:hover { background: var(--grass-color-surface-muted); }

.gu-avatar { display: inline-grid; width: 2.5rem; height: 2.5rem; place-items: center; border: 1px solid var(--grass-color-success-border); border-radius: 50%; background: var(--grass-color-brand-soft); color: var(--grass-color-brand-strong); font-size: .875rem; font-weight: 800; }
.gu-empty { display: grid; min-height: 10rem; place-items: center; padding: 2rem; border: 1px dashed var(--grass-color-border-strong); border-radius: var(--grass-radius-lg); background: var(--grass-color-surface-muted); color: var(--grass-color-text-muted); text-align: center; }
.gu-empty strong { display: block; margin-bottom: .375rem; color: var(--grass-color-text); }

.gu-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  overflow: hidden !important;
  padding: 0 !important;
  border: 0 !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
}

.gu-icon {
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: -.2em;
}

.gu-metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
  gap: 1rem;
}

.gu-metric-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .5rem 1rem;
  min-width: 0;
  padding: 1rem;
  overflow: hidden;
  border: 1px solid var(--grass-color-border);
  border-radius: var(--grass-radius-lg);
  background: var(--grass-color-surface);
  box-shadow: var(--grass-shadow-sm);
}

.gu-metric-card::after {
  position: absolute;
  inset: auto 0 0;
  height: 3px;
  background: var(--gu-metric-accent, var(--grass-color-data-1));
  content: "";
}

.gu-metric-card--success { --gu-metric-accent: var(--grass-color-data-1); }
.gu-metric-card--warning { --gu-metric-accent: var(--grass-color-warning); }
.gu-metric-card--danger { --gu-metric-accent: var(--grass-color-danger); }
.gu-metric-card--info { --gu-metric-accent: var(--grass-color-data-2); }

.gu-metric-card__label {
  min-width: 0;
  overflow: hidden;
  color: var(--grass-color-text-muted);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .035em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.gu-metric-card__icon {
  display: inline-grid;
  width: 2.25rem;
  height: 2.25rem;
  grid-row: span 2;
  place-items: center;
  border-radius: var(--grass-radius-md);
  background: color-mix(in srgb, var(--gu-metric-accent, var(--grass-color-data-1)) 13%, transparent);
  color: var(--gu-metric-accent, var(--grass-color-data-1));
}

.gu-metric-card__value {
  min-width: 0;
  color: var(--grass-color-text);
  font-size: clamp(1.45rem, 1.1rem + 1vw, 2rem);
  font-weight: 800;
  letter-spacing: -.035em;
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.gu-metric-card__footer {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  grid-column: 1 / -1;
  align-items: center;
  gap: .35rem .65rem;
  color: var(--grass-color-text-muted);
  font-size: .75rem;
  line-height: 1.4;
}

.gu-metric-card__trend { display: inline-flex; align-items: center; gap: .2rem; font-weight: 800; }
.gu-metric-card__trend--up { color: var(--grass-color-brand-strong); }
.gu-metric-card__trend--down { color: var(--grass-color-danger); }
.gu-metric-card__trend--flat { color: var(--grass-color-text-muted); }

.gu-metric-card.is-loading .gu-metric-card__label,
.gu-metric-card.is-loading .gu-metric-card__value,
.gu-metric-card.is-loading .gu-metric-card__footer {
  color: transparent;
  border-radius: .25rem;
  background: linear-gradient(90deg, var(--grass-color-surface-muted), var(--grass-color-border), var(--grass-color-surface-muted));
  background-size: 200% 100%;
  animation: gu-skeleton 1.25s linear infinite;
}

.gu-chart-card {
  display: grid;
  min-width: 0;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--grass-color-border);
  border-radius: var(--grass-radius-lg);
  background: var(--grass-color-surface);
  box-shadow: var(--grass-shadow-sm);
}

.gu-chart-card__header { display: flex; min-width: 0; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.gu-chart-card__title { margin: 0; color: var(--grass-color-text); font-size: 1rem; font-weight: 800; line-height: 1.3; }
.gu-chart-card__subtitle { margin: .2rem 0 0; color: var(--grass-color-text-muted); font-size: .75rem; line-height: 1.45; }

.gu-chart {
  position: relative;
  display: block;
  width: 100%;
  min-width: 0;
}

.gu-chart__viewport {
  position: relative;
  width: 100%;
  height: var(--gu-chart-height, 18rem);
  min-height: 8rem;
}

.gu-chart--compact .gu-chart__viewport { --gu-chart-height: 5rem; min-height: 3.5rem; }
.gu-chart--gauge .gu-chart__viewport { --gu-chart-height: 12rem; }
.gu-chart canvas { max-width: 100%; }

.gu-chart__state {
  position: absolute;
  inset: 0;
  display: grid;
  min-height: 8rem;
  place-items: center;
  padding: 1rem;
  border: 1px dashed var(--grass-color-border-strong);
  border-radius: var(--grass-radius-md);
  background: var(--grass-color-surface-muted);
  color: var(--grass-color-text-muted);
  font-size: .8125rem;
  text-align: center;
}

.gu-chart__state[hidden] { display: none; }
.gu-chart__state[data-state="error"] { border-color: var(--grass-color-danger-border); background: var(--grass-color-danger-soft); color: var(--grass-color-danger); }
.gu-chart__state[data-state="loading"]::before { width: 1rem; height: 1rem; margin-right: .5rem; border: 2px solid var(--grass-color-border); border-top-color: var(--grass-color-brand); border-radius: 50%; animation: gu-spin .8s linear infinite; content: ""; }

@keyframes gu-spin { to { transform: rotate(360deg); } }
@keyframes gu-skeleton { to { background-position: -200% 0; } }

@media (max-width: 640px) {
  .gu-grid--two, .gu-grid--three { grid-template-columns: 1fr; }
  .gu-chart-card { padding: 1rem; }
  .gu-chart__viewport { --gu-chart-height: 15rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}