/* Meadowmark site — base layout, reset, tabs, overlays, responsive rules. */
* , *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--mm-bg);
  color: var(--mm-on-bg);
  font-family: var(--mm-font-family);
  font-size: calc(16px * var(--mm-font-scale));
  line-height: 1.55;
  overflow-x: hidden;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--mm-primary); }
:focus-visible { outline: var(--mm-focus-ring); outline-offset: 2px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; border: 0;
  padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}
.overflow-x { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ---- Type scale: the real M3 scale, applied to real elements ---- */
h1, .mm-display-lg { font-size: var(--mm-type-display-lg-size); line-height: var(--mm-type-display-lg-line); font-weight: var(--mm-type-display-lg-weight); letter-spacing: var(--mm-type-display-lg-tracking); margin: 0 0 var(--mm-space-3); }
h2, .mm-headline-lg { font-size: var(--mm-type-headline-lg-size); line-height: var(--mm-type-headline-lg-line); font-weight: var(--mm-type-headline-lg-weight); letter-spacing: var(--mm-type-headline-lg-tracking); margin: 0 0 var(--mm-space-3); }
h3, .mm-title-lg { font-size: var(--mm-type-title-lg-size); line-height: var(--mm-type-title-lg-line); font-weight: var(--mm-type-title-lg-weight); letter-spacing: var(--mm-type-title-lg-tracking); margin: 0 0 var(--mm-space-2); }
h4, .mm-title-md { font-size: var(--mm-type-title-md-size); line-height: var(--mm-type-title-md-line); font-weight: var(--mm-type-title-md-weight); letter-spacing: var(--mm-type-title-md-tracking); margin: 0 0 var(--mm-space-2); }
p, .mm-body-lg { font-size: var(--mm-type-body-lg-size); line-height: var(--mm-type-body-lg-line); letter-spacing: var(--mm-type-body-lg-tracking); }
.mm-body-md { font-size: var(--mm-type-body-md-size); line-height: var(--mm-type-body-md-line); letter-spacing: var(--mm-type-body-md-tracking); }
.mm-body-sm { font-size: var(--mm-type-body-sm-size); line-height: var(--mm-type-body-sm-line); letter-spacing: var(--mm-type-body-sm-tracking); }
.mm-label-lg { font-size: var(--mm-type-label-lg-size); line-height: var(--mm-type-label-lg-line); font-weight: var(--mm-type-label-lg-weight); letter-spacing: var(--mm-type-label-lg-tracking); }

/* Shell layout: header (top app bar) + dockable tab strip + main content. */
.mm-shell {
  display: grid;
  grid-template-areas: "topbar topbar" "tabs main";
  grid-template-rows: var(--mm-header-h) 1fr;
  grid-template-columns: var(--mm-tab-size) 1fr;
  min-height: 100vh;
}
.mm-shell[data-dock="top"] {
  grid-template-areas: "topbar" "tabs" "main";
  grid-template-columns: 1fr;
  grid-template-rows: var(--mm-header-h) auto 1fr;
}
.mm-shell[data-dock="bottom"] {
  grid-template-areas: "topbar" "main" "tabs";
  grid-template-columns: 1fr;
  grid-template-rows: var(--mm-header-h) 1fr auto;
}
.mm-shell[data-dock="right"] {
  grid-template-areas: "topbar topbar" "main tabs";
  grid-template-columns: 1fr var(--mm-tab-size);
}
.mm-topbar {
  grid-area: topbar;
  display: flex; align-items: center; gap: var(--mm-space-3);
  padding: 0 var(--mm-space-4);
  /* A step above the page background so the app bar reads as its own
     surface, and a step below the tab strip's own tone (below) so the
     shell reads as layered rather than flat. */
  background: var(--mm-surface-container);
  border-bottom: 1px solid var(--mm-outline-variant);
  box-shadow: var(--mm-elevation-2);
  position: sticky; top: 0; z-index: 40;
}
.mm-topbar .brand { font-weight: 700; text-decoration: none; color: var(--mm-on-surface); display: flex; align-items: center; gap: var(--mm-space-2); font-size: 1.1rem; }
.mm-site-brand-mark { width: 32px; height: 32px; display: inline-grid; place-items: center; object-fit: contain; border-radius: var(--mm-radius-sm); }
.mm-topbar .spacer { flex: 1; }
.mm-topbar-controls { display: flex; align-items: center; gap: var(--mm-space-2); flex-wrap: wrap; }

.mm-tabpanel { grid-area: tabs; }
.mm-main { grid-area: main; padding: var(--mm-space-5); min-width: 0; }

.mm-tabstrip {
  background: var(--mm-surface-container-low);
  border-right: 1px solid var(--mm-outline-variant);
  height: 100%;
  overflow-y: auto;
  display: flex; flex-direction: column;
}
.mm-shell[data-dock="right"] .mm-tabstrip { border-right: none; border-left: 1px solid var(--mm-outline-variant); }
.mm-shell[data-dock="top"] .mm-tabstrip,
.mm-shell[data-dock="bottom"] .mm-tabstrip {
  border-right: none; border-bottom: 1px solid var(--mm-outline-variant);
  flex-direction: row; height: auto; overflow-x: auto; overflow-y: hidden;
}
.mm-tabstrip-search { padding: var(--mm-space-2); display: flex; gap: var(--mm-space-1); position: relative; }
.mm-tabstrip-search input { flex: 1; min-width: 0; }
.mm-tab-list { list-style: none; margin: 0; padding: var(--mm-space-1); display: flex; flex-direction: column; gap: 2px; }
.mm-shell[data-dock="top"] .mm-tab-list, .mm-shell[data-dock="bottom"] .mm-tab-list { flex-direction: row; }
.mm-tab {
  display: flex; align-items: center; gap: var(--mm-space-2);
  padding: var(--mm-space-2) var(--mm-space-3);
  border-radius: var(--mm-radius-sm);
  color: var(--mm-on-surface); text-decoration: none;
  cursor: pointer; border: none; background: transparent; text-align: left;
  font: inherit; white-space: nowrap;
  position: relative;
  transition: background-color var(--mm-dur-short-3) var(--mm-ease-standard);
}
.mm-tab[aria-selected="true"] {
  background: var(--mm-secondary-container); color: var(--mm-on-secondary-container); font-weight: 600;
}
/* Selected-tab accent rail — the one place --mm-accent is actually
   consumed rather than merely declared and never read. */
.mm-tab[aria-selected="true"]::before {
  content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 3px;
  border-radius: var(--mm-radius-full); background: var(--mm-accent);
}
.mm-tab:hover { background: color-mix(in srgb, var(--mm-on-surface) calc(var(--mm-state-hover) * 100%), transparent); }
.mm-tab:active { background: color-mix(in srgb, var(--mm-on-surface) calc(var(--mm-state-pressed) * 100%), transparent); }
.mm-tab .pin-btn { margin-left: auto; opacity: .6; background: none; border: none; cursor: pointer; color: inherit; }
.mm-tab-group { margin-bottom: var(--mm-space-2); }
.mm-tab-group-header { display: flex; align-items: center; gap: var(--mm-space-1); padding: var(--mm-space-1) var(--mm-space-2); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--mm-on-surface-variant); }
.mm-tab-group-header button { background: none; border: none; color: inherit; cursor: pointer; font: inherit; }
.mm-tab-overflow-note { padding: var(--mm-space-2); font-size: .85rem; color: var(--mm-on-surface-variant); }

/* Mobile: collapse the vertical strip to an icon rail / edge affordance */
@media (max-width: 767px) {
  .mm-shell, .mm-shell[data-dock="top"], .mm-shell[data-dock="bottom"], .mm-shell[data-dock="right"] {
    grid-template-areas: "topbar" "main";
    grid-template-columns: 1fr;
    grid-template-rows: var(--mm-header-h) 1fr;
  }
  .mm-tabpanel {
    position: fixed; inset: var(--mm-header-h) 0 0 0; z-index: 50;
    transform: translateX(-100%); transition: transform var(--mm-dur-medium-2) var(--mm-ease-standard);
    background: var(--mm-surface-container-low);
    box-shadow: var(--mm-elevation-4);
  }
  .mm-tabpanel.open { transform: translateX(0); }
  .mm-tab-toggle { display: inline-flex !important; }
}
.mm-tab-toggle { display: none; }

/* Cards, sections — a real elevated surface, distinct in tone from the
   page background AND carrying a real shadow. Never "none". */
.mm-card {
  background: var(--mm-surface-container-low);
  border: 1px solid var(--mm-outline-variant);
  border-radius: var(--mm-radius-lg);
  padding: var(--mm-space-5);
  box-shadow: var(--mm-elevation-1);
}

/* Hero — deliberately its own surface, not a re-skinned .mm-card. A soft
   primary/tertiary-tinted gradient sits it apart from every plain card
   on the page (fixes ".mm-hero computes to the same background as
   .mm-card" — the hero now never carries the .mm-card class at all). */
.mm-hero {
  padding: var(--mm-space-8) var(--mm-space-5);
  text-align: center;
  border-radius: var(--mm-radius-xl);
  background:
    radial-gradient(120% 140% at 15% -10%, color-mix(in srgb, var(--mm-tertiary-container) 55%, transparent), transparent 60%),
    radial-gradient(130% 160% at 100% 120%, color-mix(in srgb, var(--mm-secondary-container) 45%, transparent), transparent 55%),
    linear-gradient(180deg, var(--mm-primary-container), var(--mm-surface-container-high));
  color: var(--mm-on-primary-container);
  border: 1px solid var(--mm-outline-variant);
  box-shadow: var(--mm-elevation-3);
}
.mm-hero h1 { font-size: clamp(2.25rem, 5vw, var(--mm-type-display-lg-size)); }
.mm-grid { display: grid; gap: var(--mm-space-4); grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.mm-badge {
  display: inline-block; padding: 2px 10px; border-radius: var(--mm-radius-full);
  background: var(--mm-accent); color: var(--mm-on-accent); font-size: .78rem; font-weight: 600;
}
.mm-shot-placeholder {
  aspect-ratio: 16/9; border-radius: var(--mm-radius-lg);
  background: repeating-linear-gradient(135deg, var(--mm-surface-container-high), var(--mm-surface-container-high) 10px, var(--mm-surface-container) 10px, var(--mm-surface-container) 20px);
  display: flex; align-items: center; justify-content: center; text-align: center; padding: var(--mm-space-4);
  border: 2px dashed var(--mm-outline);
  color: var(--mm-on-surface-variant);
}

/* Buttons and inputs */
button, input, select, textarea { font: inherit; color: inherit; }
.mm-btn {
  display: inline-flex; align-items: center; gap: var(--mm-space-2);
  padding: 10px 18px; border-radius: var(--mm-radius-full); border: none;
  background: var(--mm-primary); color: var(--mm-on-primary); cursor: pointer;
  min-height: 40px; font-weight: 600;
  box-shadow: var(--mm-elevation-1);
  transition: box-shadow var(--mm-dur-short-3) var(--mm-ease-standard), background-color var(--mm-dur-short-3) var(--mm-ease-standard);
}
.mm-btn:hover { box-shadow: var(--mm-elevation-2); }
.mm-btn:active { box-shadow: var(--mm-elevation-0); }
.mm-btn.secondary { background: var(--mm-secondary-container); color: var(--mm-on-secondary-container); }
.mm-btn.tonal { background: var(--mm-surface-container-high); color: var(--mm-on-surface); box-shadow: none; }
.mm-btn.outlined { background: transparent; border: 1px solid var(--mm-outline); color: var(--mm-on-surface); box-shadow: none; }
.mm-btn:disabled { opacity: .5; cursor: not-allowed; box-shadow: none; }
.mm-btn.icon { padding: 8px; min-width: 44px; min-height: 44px; justify-content: center; border-radius: var(--mm-radius-full); background: transparent; color: var(--mm-on-surface); box-shadow: none; }
.mm-btn.icon:hover { background: color-mix(in srgb, var(--mm-on-surface) calc(var(--mm-state-hover) * 100%), transparent); }
input[type=text], input[type=search], input[type=number], select, textarea {
  border: 1px solid var(--mm-outline); border-radius: var(--mm-radius-sm);
  padding: 8px 10px; background: var(--mm-surface-container-lowest); color: var(--mm-on-surface);
  min-height: 40px;
}
textarea { min-height: 80px; }
label { font-weight: 600; font-size: .9rem; }
.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: var(--mm-space-3); }
.hint { font-size: .8rem; color: var(--mm-on-surface-variant); }

/* Overlays: anchored popovers, menus, dialogs. Always painted, always bounded, always scroll internally. */
.mm-overlay {
  position: fixed; z-index: 200; background: var(--mm-surface-container-high);
  border: 1px solid var(--mm-outline-variant); border-radius: var(--mm-radius-md);
  box-shadow: var(--mm-elevation-3); max-height: min(70vh, 560px); max-width: min(92vw, 420px);
  overflow: auto; padding: var(--mm-space-3);
}
.mm-overlay.wide { max-width: min(92vw, 640px); }
.mm-overlay:focus { outline: none; }
.mm-scrim {
  position: fixed; inset: 0; background: color-mix(in srgb, var(--mm-scrim) 40%, transparent);
  z-index: 190;
}
.mm-menu { list-style: none; margin: 0; padding: 0; }
.mm-menu li { display: flex; }
.mm-menu button.item {
  flex: 1; display: flex; justify-content: space-between; gap: var(--mm-space-3);
  padding: 8px 10px; background: none; border: none; text-align: left; cursor: pointer;
  border-radius: var(--mm-radius-xs); color: var(--mm-on-surface);
}
.mm-menu button.item:hover { background: var(--mm-surface-container-highest); }
.mm-menu kbd { font-size: .75rem; color: var(--mm-on-surface-variant); border: 1px solid var(--mm-outline-variant); border-radius: 4px; padding: 0 4px; }

/* Search-with-builder composite field */
.mm-search { position: relative; display: flex; gap: 4px; align-items: center; }
.mm-search input { flex: 1; min-width: 0; }
.mm-search .builder-btn { flex-shrink: 0; }

/* Toasts */
.mm-toast-region { position: fixed; bottom: var(--mm-space-4); right: var(--mm-space-4); z-index: 300; display: flex; flex-direction: column; gap: var(--mm-space-2); max-width: min(92vw, 360px); }
.mm-toast {
  background: var(--mm-surface-container-highest); color: var(--mm-on-surface); border-radius: var(--mm-radius-md);
  box-shadow: var(--mm-elevation-2); padding: var(--mm-space-3); display: flex; gap: var(--mm-space-2);
  border-left: 4px solid var(--mm-primary);
}
.mm-toast.error { border-left-color: var(--mm-error); }
.mm-toast button.dismiss { background: none; border: none; color: inherit; cursor: pointer; }

/* Language & funny toggles */
[data-lang="en"] .i18n-yue { display: none; }
[data-lang="yue"] .i18n-en { display: none; }
[data-lang="bi"] div.i18n-yue,
[data-lang="bi"] p.i18n-yue,
[data-lang="bi"] li.i18n-yue { display: block; font-size: .92em; color: var(--mm-on-surface-variant); margin-top: 2px; }
[data-lang="bi"] span.i18n-yue { display: inline; margin-left: 6px; }

/* Colour picker */
.mm-colorfield { width: 220px; height: 160px; border-radius: var(--mm-radius-sm); position: relative; cursor: crosshair; border: 1px solid var(--mm-outline-variant); }
.mm-colorfield .thumb { position: absolute; width: 12px; height: 12px; border: 2px solid #fff; border-radius: 50%; box-shadow: 0 0 0 1px rgba(0,0,0,.7); transform: translate(-50%,-50%); pointer-events: none; }
.mm-hue-slider, .mm-alpha-slider { width: 220px; height: 16px; border-radius: var(--mm-radius-full); position: relative; cursor: pointer; border: 1px solid var(--mm-outline-variant); }
.mm-hue-slider { background: linear-gradient(90deg, red, yellow, lime, cyan, blue, magenta, red); }
.mm-slider-thumb { position: absolute; top: -2px; width: 4px; height: 20px; background: #fff; border: 1px solid #000; border-radius: 2px; transform: translateX(-50%); }
.mm-swatch { width: 40px; height: 40px; border-radius: var(--mm-radius-sm); border: 1px solid var(--mm-outline-variant); }
.color-format-row { display: flex; gap: 6px; align-items: center; margin-bottom: 4px; }
.color-format-row label { width: 64px; flex-shrink: 0; font-weight: 400; font-size: .8rem; }

table.mm-table { width: 100%; border-collapse: collapse; }
table.mm-table th, table.mm-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--mm-outline-variant); }
table.mm-table th { color: var(--mm-on-surface-variant); font-size: .8rem; text-transform: uppercase; }

details.mm-details { border: 1px solid var(--mm-outline-variant); border-radius: var(--mm-radius-md); padding: var(--mm-space-2) var(--mm-space-3); margin-bottom: var(--mm-space-2); background: var(--mm-surface-container-low); }
details.mm-details summary { cursor: pointer; font-weight: 600; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

.mm-touch-ok { min-height: 44px; min-width: 44px; }