/* ==========================================================================
   components.css — reusable pieces. Page files may compose these but never
   restyle them; a variant that is needed twice belongs here instead.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 2rem;
  padding: 0 var(--space-3);
  border-radius: var(--radius-control);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-snug);
  white-space: nowrap;
  transition: background var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              opacity var(--duration-fast) var(--ease-out);
}

.btn svg { width: 0.875rem; height: 0.875rem; }

.btn--primary {
  background: var(--gray-950);
  color: var(--text-inverse);
}
.btn--primary:hover { background: var(--gray-800); }

.btn--secondary {
  background: var(--surface);
  color: var(--text-primary);
  border: 1px solid var(--alpha-200);
}
.btn--secondary:hover {
  background: var(--alpha-50);
  border-color: var(--alpha-300);
}
.btn--secondary:active { background: var(--alpha-100); }

.btn--ghost { color: var(--text-secondary); }
.btn--ghost:hover { background: var(--alpha-50); color: var(--text-primary); }
.btn--ghost:active { background: var(--alpha-100); }

.btn--danger { background: var(--negative); color: var(--text-inverse); }
.btn--danger:hover { opacity: .9; }

.btn--lg { height: 2.5rem; padding: 0 var(--space-5); font-size: var(--text-md); }
.btn--sm { height: 1.75rem; padding: 0 var(--space-2); font-size: var(--text-xs); gap: var(--space-1); }
.btn--sm svg { width: 0.8125rem; height: 0.8125rem; }
.btn--block { width: 100%; }

.btn:disabled { opacity: .45; cursor: not-allowed; }

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  background: var(--surface);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-sm);
}

.card__head {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
}

.card__title {
  font-size: var(--text-md);
  font-weight: 600;
  letter-spacing: var(--tracking-snug);
}

.card__sub {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-top: 0.125rem;
}

.card__actions { margin-left: auto; display: flex; gap: var(--space-2); align-items: center; }

.card__body { padding: var(--space-5); }
.card__body--flush { padding: 0; }

/* --------------------------------------------------------------------------
   KPI tiles — the numbers are the hero, so they get the type weight and the
   rest of the tile stays deliberately quiet.
   -------------------------------------------------------------------------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: var(--space-3);
}

.kpi {
  background: var(--surface);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}

.kpi__label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-weight: 500;
}

.kpi__label svg { width: 0.75rem; height: 0.75rem; color: var(--text-tertiary); }

.kpi__value {
  font-size: var(--text-3xl);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  font-variant-numeric: tabular-nums;
}

.kpi__foot {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.delta {
  display: inline-flex;
  align-items: center;
  gap: 0.125rem;
  font-weight: 550;
  font-variant-numeric: tabular-nums;
}
.delta[data-tone="up"] { color: var(--positive); }
.delta[data-tone="down"] { color: var(--negative); }
.delta[data-tone="flat"] { color: var(--text-tertiary); }
.delta svg { width: 0.75rem; height: 0.75rem; }

/* --------------------------------------------------------------------------
   Badges and chips
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  height: 1.25rem;
  padding: 0 var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--text-2xs);
  font-weight: 550;
  background: var(--gray-100);
  color: var(--text-secondary);
  white-space: nowrap;
}
.badge[data-tone="positive"] { background: var(--positive-soft); color: var(--positive); }
.badge[data-tone="negative"] { background: var(--negative-soft); color: var(--negative); }
.badge[data-tone="warning"]  { background: var(--warning-soft);  color: var(--warning); }
.badge[data-tone="info"]     { background: var(--info-soft);     color: var(--info); }

.dot {
  width: 0.375rem;
  height: 0.375rem;
  border-radius: var(--radius-full);
  background: currentColor;
  flex-shrink: 0;
}

.category-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: 1.375rem;
  padding: 0 var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--text-2xs);
  font-weight: 500;
  background: var(--gray-75);
  color: var(--text-secondary);
}
.category-chip .swatch {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 0.125rem;
  background: var(--chip-color, var(--gray-400));
}

/* --------------------------------------------------------------------------
   Tables
   -------------------------------------------------------------------------- */
.table-wrap { overflow-x: auto; }

/* A row menu lives inside the scroll container, and a scroll container clips
   its children no matter what z-index they carry. While a menu is open the
   clipping is lifted; the rest of the time the table still scrolls sideways
   on a narrow screen. */
.table-wrap:has(.popover[data-open="true"]) { overflow: visible; }

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.table th {
  text-align: left;
  /* A sticky header makes its own stacking context. Without a z-index it can
     paint over a menu opened in the row beneath it. */
  z-index: 1;
  font-weight: 500;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
  background: var(--surface);
  position: sticky;
  top: 0;
}

.table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
  color: var(--text-primary);
}

.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr { transition: background var(--duration-fast) var(--ease-out); }
.table tbody tr:hover { background: var(--surface-sunken); }

.table .num { text-align: right; font-variant-numeric: tabular-nums; }
.table .muted { color: var(--text-secondary); }

.th-sort {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: inherit;
  font: inherit;
}
.th-sort svg { width: 0.75rem; height: 0.75rem; opacity: .5; }
.th-sort:hover { color: var(--text-primary); }

.cell-stack { display: flex; flex-direction: column; gap: 0.0625rem; }
.cell-stack__sub { font-size: var(--text-2xs); color: var(--text-tertiary); }

.cell-media {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}
.cell-media__thumb {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-md);
  background: var(--gray-100);
  flex-shrink: 0;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   Form controls
   -------------------------------------------------------------------------- */
.field { display: flex; flex-direction: column; gap: var(--space-2); }

.field__label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
}

.field__hint {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.input,
.select,
.textarea {
  width: 100%;
  height: 2.25rem;
  padding: 0 var(--space-3);
  border: 0;
  border-radius: var(--radius-control);
  background: var(--surface);
  box-shadow: 0 0 0 1px var(--alpha-200);
  font-size: var(--text-md);
  transition: box-shadow var(--duration-fast) var(--ease-out);
}

.textarea { height: auto; padding: var(--space-3); resize: vertical; min-height: 5rem; }

.input::placeholder,
.textarea::placeholder { color: var(--text-tertiary); }

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  box-shadow: 0 0 0 1px var(--gray-950), 0 0 0 3px var(--alpha-100);
}

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238c8c8c' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-2) center;
  padding-right: var(--space-8);
}

.input-group { position: relative; display: flex; align-items: center; }
.input-group .input { padding-left: var(--space-8); }
.input-group__icon {
  position: absolute;
  left: var(--space-3);
  color: var(--text-tertiary);
  width: 0.875rem;
  height: 0.875rem;
  pointer-events: none;
}

.input-group > svg {
  position: absolute;
  left: var(--space-3);
  width: 0.875rem;
  height: 0.875rem;
  color: var(--text-tertiary);
  pointer-events: none;
}

.input-prefix {
  position: absolute;
  left: var(--space-3);
  font-size: var(--text-md);
  color: var(--text-tertiary);
  pointer-events: none;
}
.input--prefixed { padding-left: var(--space-6); }

/* Toolbar control — a compact filter/selector that sits above a table. */
.control {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: 2rem;
  padding: 0 var(--space-3);
  border-radius: var(--radius-control);
  background: var(--surface);
  border: 1px solid var(--alpha-200);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  transition: background var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
}
.control:hover { background: var(--alpha-50); border-color: var(--alpha-300); }
.control svg { width: 0.875rem; height: 0.875rem; color: var(--text-tertiary); }
.control__value { color: var(--text-primary); }

.segmented {
  display: inline-flex;
  padding: 0.125rem;
  border-radius: var(--radius-control);
  background: var(--gray-75);
  gap: 0.125rem;
}
.segmented button {
  height: 1.75rem;
  padding: 0 var(--space-3);
  border-radius: calc(var(--radius-control) - 0.125rem);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-secondary);
  transition: background var(--duration-fast) var(--ease-out);
}
.segmented button[aria-pressed="true"] {
  background: var(--surface);
  color: var(--text-primary);
  box-shadow: var(--shadow-xs);
}

.switch {
  --w: 2rem;
  position: relative;
  width: var(--w);
  height: 1.125rem;
  border-radius: var(--radius-full);
  background: var(--gray-200);
  transition: background var(--duration-fast) var(--ease-out);
  flex-shrink: 0;
}
.switch::after {
  content: "";
  position: absolute;
  top: 0.125rem;
  left: 0.125rem;
  width: 0.875rem;
  height: 0.875rem;
  border-radius: var(--radius-full);
  background: var(--surface);
  box-shadow: var(--shadow-xs);
  transition: transform var(--duration-fast) var(--ease-out);
}
.switch[aria-checked="true"] { background: var(--gray-950); }
.switch[aria-checked="true"]::after { transform: translateX(0.875rem); }

/* --------------------------------------------------------------------------
   Popover / menu
   -------------------------------------------------------------------------- */
.popover-host { position: relative; }

.popover {
  position: absolute;
  z-index: var(--z-popover);
  min-width: 14rem;
  padding: var(--space-1);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(-0.25rem) scale(.98);
  pointer-events: none;
  transition: opacity var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.popover[data-open="true"] {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.popover--bottom-end { top: calc(100% + var(--space-2)); right: 0; }
.popover--top-start  { bottom: calc(100% + var(--space-2)); left: 0; width: calc(100% - var(--space-1)); }

.popover__header {
  padding: var(--space-3) var(--space-3) var(--space-2);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: var(--space-1);
}
.popover__name { font-size: var(--text-sm); font-weight: 600; }
.popover__mail { font-size: var(--text-xs); color: var(--text-tertiary); }

.popover__label {
  font-size: var(--text-2xs);
  color: var(--text-tertiary);
  padding: var(--space-2) var(--space-2) var(--space-1);
}

.menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-2);
  border-radius: var(--radius-control);
  font-size: var(--text-sm);
  color: var(--text-primary);
  text-align: left;
  transition: background var(--duration-fast) var(--ease-out);
}
.menu-item:hover { background: var(--alpha-50); }
.menu-item svg { width: 0.875rem; height: 0.875rem; color: var(--text-tertiary); }
.menu-item__meta { margin-left: auto; font-size: var(--text-2xs); color: var(--text-tertiary); }
.menu-item[data-tone="danger"] { color: var(--negative); }
.menu-item[data-tone="danger"] svg { color: var(--negative); }

.menu-sep { height: 1px; background: var(--border-subtle); margin: var(--space-1) 0; }

/* --------------------------------------------------------------------------
   Chart legend and misc
   -------------------------------------------------------------------------- */
.legend { display: flex; flex-wrap: wrap; gap: var(--space-4); }
.legend__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  transition: opacity var(--duration-fast) var(--ease-out);
}
.legend__item[aria-pressed="false"] { opacity: .4; }
.legend__swatch {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: var(--radius-full);
  background: var(--legend-color);
}

.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-12) var(--space-4);
  text-align: center;
}
.empty__title { font-size: var(--text-md); font-weight: 600; }
.empty__body { font-size: var(--text-sm); color: var(--text-secondary); max-width: 26rem; }

.progress {
  height: 0.25rem;
  border-radius: var(--radius-full);
  background: var(--gray-100);
  overflow: hidden;
}
.progress__bar {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--gray-950);
}

.divider { height: 1px; background: var(--border-subtle); }

/* --------------------------------------------------------------------------
   Modals
   -------------------------------------------------------------------------- */
.modal-scrim {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: grid;
  place-items: center;
  padding: var(--space-4);
  background: hsl(0 0% 0% / .32);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-out);
}
.modal-scrim[data-open="true"] { opacity: 1; pointer-events: auto; }

.modal {
  width: 100%;
  max-width: 30rem;
  max-height: calc(100vh - var(--space-8));
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  transform: translateY(0.5rem) scale(.98);
  transition: transform var(--duration-base) var(--ease-soft);
}
.modal-scrim[data-open="true"] .modal { transform: none; }
.modal--wide { max-width: 44rem; }

.modal__head {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
}
.modal__head .icon-button { margin-left: auto; }

.modal__body {
  padding: var(--space-5);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.modal__foot {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border-subtle);
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.color-input {
  width: 2.25rem;
  height: 2.25rem;
  padding: 0.125rem;
  border: 1px solid var(--alpha-200);
  border-radius: var(--radius-control);
  background: var(--surface);
  cursor: pointer;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Toasts
   Bottom centre rather than a corner: it is where the eye already is after
   pressing a button, and it never covers the sidebar.
   -------------------------------------------------------------------------- */
.toast-stack {
  position: fixed;
  left: 50%;
  bottom: var(--space-6);
  transform: translateX(-50%);
  z-index: var(--z-overlay);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: center;
  pointer-events: none;
}

.toast {
  max-width: min(26rem, calc(100vw - 2rem));
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-xl);
  background: var(--gray-950);
  color: var(--text-inverse);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(0.5rem);
  transition: opacity var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-soft);
}
.toast[data-visible="true"] { opacity: 1; transform: none; }
.toast[data-tone="error"] { background: var(--negative); }

/* --------------------------------------------------------------------------
   Loading placeholders
   -------------------------------------------------------------------------- */
.skeleton {
  height: 1.25rem;
  border-radius: var(--radius-md);
  background: linear-gradient(90deg, var(--gray-100), var(--gray-75), var(--gray-100));
  background-size: 200% 100%;
  animation: skeleton 1.4s ease-in-out infinite;
}
.skeleton + .skeleton { margin-top: var(--space-2); }
@keyframes skeleton {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

@media (max-width: 45rem) {
  .field-row { grid-template-columns: minmax(0, 1fr); }
  .modal__foot { flex-wrap: wrap; }
}

/* --------------------------------------------------------------------------
   The notification bell
   Measurements from the reference: a 2rem square with 0.6rem corners, a real
   1px border that darkens on hover, and an 18px icon at stroke 1.5.
   -------------------------------------------------------------------------- */
.bell {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
  border-radius: 0.6rem;
  background: var(--surface);
  border: 1px solid var(--alpha-200);
  color: var(--text-primary);
  transition: background var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
}
.bell:hover { background: var(--alpha-50); border-color: var(--alpha-300); }
.bell:active { background: var(--alpha-100); border-color: var(--alpha-300); }
.bell[aria-expanded="true"] { background: var(--alpha-50); border-color: var(--alpha-300); }
.bell svg { width: 18px; height: 18px; }

/* The ring in the surface colour is what keeps the badge readable against
   the icon it sits on. */
.bell__badge {
  position: absolute;
  top: -0.25rem;
  right: -0.25rem;
  display: grid;
  place-items: center;
  min-width: 1rem;
  height: 1rem;
  padding: 0 0.1875rem;
  border-radius: var(--radius-full);
  background: var(--red-500);
  color: var(--text-inverse);
  font-size: 0.625rem;
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  box-shadow: 0 0 0 2px var(--surface);
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   The notice list
   One line per notice. Enough to know what is wrong, not so much that it
   becomes a page you read standing up.
   -------------------------------------------------------------------------- */
.notice-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-3) var(--space-2);
}
.notice-head__title { font-size: var(--text-sm); font-weight: 600; }
.notice-head__count { font-size: var(--text-2xs); color: var(--text-tertiary); }

.notice {
  display: flex;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-2);
  border-radius: var(--radius-control);
  text-align: left;
  color: inherit;
  transition: background var(--duration-fast) var(--ease-out);
}
.notice:hover { background: var(--alpha-50); }

.notice__dot {
  width: 0.4375rem;
  height: 0.4375rem;
  border-radius: var(--radius-full);
  background: var(--tone);
  flex-shrink: 0;
  margin-top: 0.3125rem;
}
.notice__body { min-width: 0; flex: 1; }
.notice__title { font-size: var(--text-sm); font-weight: 550; line-height: var(--leading-snug); }

.notice-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-6) var(--space-4);
  text-align: center;
}
.notice-empty__mark {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-full);
  background: var(--green-50);
  color: var(--green-600);
  display: grid;
  place-items: center;
  margin-bottom: var(--space-2);
}
.notice-empty__mark svg { width: 1rem; height: 1rem; }
.notice-empty__title { font-size: var(--text-sm); font-weight: 550; }
.notice-empty__body { font-size: var(--text-xs); color: var(--text-secondary); max-width: 15rem; }

/* The notice popover is narrower than the account menu: one line per row
   needs less width than a row with a description under it. */
#notice-menu { width: 18rem; }