:root {
  --bg:#0f1216; --panel:#171c22; --line:#2a323c; --fg:#e6e9ee; --mut:#93a0b0; --accent:#4a9eff; --ok:#39c07a; --warn:#e6a13c;

  /* spacing */
  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px; --space-5: 24px; --space-6: 32px;

  /* radii */
  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 14px; --radius-pill: 999px;

  /* type scale */
  --fs-xs: 11px; --fs-sm: 12.5px; --fs-md: 14px; --fs-lg: 16px; --fs-xl: 20px;

  /* status semantics — do NOT reuse --warn for these */
  --status-pending: #e6a13c;    /* payment-pending pill (.pill.pend) */
  --status-locked: #7c8797;     /* manual-edit lock icon (.lock-icon) — neutral, not amber */
  --status-attention: #e6635c;  /* needs-attention marker/chip/dashboard stat */
  --status-received: #39c07a;   /* received-state parity with shipped (.received-yes) */

  /* --bp-mobile: 720px — documented only, unusable inside @media (no var() in media queries).
     Grep "720px" before changing this breakpoint; update every occurrence together. */
}

* { box-sizing: border-box; }

/* The HTML `hidden` attribute must always win over component display rules
   (e.g. .field-hint/.lock-icon set display:block). Without this, hidden hints
   and icons render anyway and stray elements take layout space. */
[hidden] { display: none !important; }

body {
  margin: 0;
  font: var(--fs-md)/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
}

/* ---------- header ---------- */

.app-header {
  position: sticky;
  top: 0;
  z-index: 6;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding: var(--space-3) var(--space-4);
}
.app-header h1 { margin: 0; font-size: var(--fs-xl); }

/* ---------- dashboard ---------- */

.dashboard {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding: var(--space-3) var(--space-4);
}
.dashboard-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: baseline;
}
.dashboard-row + .dashboard-row { margin-top: var(--space-2); }

.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: none;
  border: none;
  color: inherit;
  font: inherit;
  padding: 0;
  cursor: default;
  text-align: left;
}
button.stat { cursor: pointer; border-radius: var(--radius-sm); padding: var(--space-1) var(--space-2); }
button.stat:hover { background: #12171d; }
button.stat[aria-pressed="true"] { outline: 1px solid var(--status-attention); }

.stat-value { font-size: var(--fs-lg); font-weight: 600; color: var(--fg); font-variant-numeric: tabular-nums; }
.stat-label { font-size: var(--fs-xs); color: var(--mut); text-transform: uppercase; letter-spacing: .03em; }

.stat--foreign .stat-value { color: var(--mut); font-weight: 500; }
.stat--unconfirmed .stat-value,
.stat--attention .stat-value { color: var(--status-attention); }

.dashboard-scope { margin: var(--space-2) 0 0; color: var(--mut); font-size: var(--fs-sm); }

/* ---------- toolbar ---------- */

.toolbar {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding: var(--space-2) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.toolbar-row { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }

.field { color: var(--mut); font-size: var(--fs-sm); display: flex; align-items: center; gap: var(--space-2); }

select, button, input {
  background: #20262e;
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  font-size: var(--fs-sm);
  font-family: inherit;
}
button { cursor: pointer; }
button:hover { border-color: var(--accent); }
button:disabled { opacity: .5; cursor: default; }

.search-field { position: relative; display: flex; align-items: center; flex: 1 1 240px; min-width: 180px; }
.search-field input[type="search"] { width: 100%; padding-right: var(--space-6); }
.search-clear {
  position: absolute;
  right: 4px;
  border: none;
  background: none;
  color: var(--mut);
  font-size: var(--fs-lg);
  line-height: 1;
  padding: var(--space-1) var(--space-2);
}
.search-clear:hover { color: var(--fg); border-color: transparent; }

.toolbar-row--chips { gap: var(--space-2); }
.chip {
  border-radius: var(--radius-pill);
  padding: var(--space-1) var(--space-3);
  font-size: var(--fs-sm);
  color: var(--mut);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}
.chip.is-active { border-color: var(--accent); color: var(--fg); background: #1a2530; }
.chip--attention { color: var(--status-attention); }
.chip--attention.is-active { border-color: var(--status-attention); background: #2a1a18; }
.chip-count { font-variant-numeric: tabular-nums; opacity: .85; }

.toolbar-row--meta { justify-content: space-between; }
.sync-state { color: var(--mut); font-size: var(--fs-xs); }

/* ---------- main / table ---------- */

main { padding: var(--space-3) var(--space-4); }

table { border-collapse: collapse; width: 100%; }
th, td { border-bottom: 1px solid var(--line); padding: var(--space-2) var(--space-3); text-align: left; vertical-align: top; }
th {
  position: sticky;
  top: 0;
  color: var(--mut);
  font-weight: 600;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: .03em;
  background: var(--panel);
}
th[data-sort] { cursor: pointer; user-select: none; }
th[data-sort]:hover { color: var(--fg); }
th[aria-sort="ascending"]::after { content: " \25B2"; }
th[aria-sort="descending"]::after { content: " \25BC"; }

tbody tr:hover { background: #12171d; }

/* helper mobile-only columns hidden on desktop (th AND td, or the header
   shows a phantom trailing "Status" column with no cells beneath it) */
.col-fulfillment, .col-expand { display: none; }

/* ---------- group rows ---------- */

tr.group-row td { padding: 0; border-bottom: 1px solid var(--line); background: #141920; }
.group-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: none;
  border: none;
  border-radius: 0;
  padding: var(--space-2) var(--space-3);
  color: var(--fg);
  font-size: var(--fs-sm);
  text-align: left;
}
.group-toggle:hover { border-color: transparent; background: #1a212a; }
.group-chevron { color: var(--mut); transition: transform .15s ease; }
tr.group-row[data-collapsed="true"] .group-chevron { transform: rotate(-90deg); }
.group-name { font-weight: 600; flex: 0 0 auto; }
.group-count { color: var(--mut); }
.group-subtotal { color: var(--fg); font-variant-numeric: tabular-nums; margin-left: auto; }
.group-fulfillment { color: var(--mut); font-size: var(--fs-xs); }

/* ---------- badges / pills ---------- */

.proj-badge {
  font-size: var(--fs-xs);
  padding: 2px var(--space-2);
  border-radius: var(--radius-pill);
  white-space: nowrap;
  display: inline-block;
}
.proj-badge.proj-rc, .field-select--project.proj-rc { background: #1d3350; color: #8bc0ff; }
.proj-badge.proj-server, .field-select--project.proj-server { background: #3a2c1a; color: #e6b877; }
.proj-badge.proj-other, .field-select--project.proj-other { background: #2a2f36; color: #aab4c0; }

.field-select--project { border-radius: var(--radius-pill); font-size: var(--fs-xs); padding: 2px var(--space-2); }

.pill { font-size: var(--fs-xs); padding: 1px 7px; border-radius: var(--radius-pill); }
.pill.paid { background: #173a2a; color: var(--ok); }
.pill.pend { background: #3a2f17; color: var(--status-pending); }
.pill.tbd  { background: #2a2f36; color: var(--mut); }

.fulfillment-badge { font-size: var(--fs-xs); padding: 2px var(--space-2); border-radius: var(--radius-pill); white-space: nowrap; }
.fulfillment-pending { background: #2a2f36; color: var(--mut); }
.fulfillment-shipped { background: #173a4a; color: var(--accent); }
.fulfillment-received { background: #173a2a; color: var(--status-received); }

.attention-marker { color: var(--status-attention); margin-left: var(--space-2); }

/* ---------- fields ---------- */

.items { max-width: 280px; color: var(--mut); font-size: var(--fs-sm); }
.col-items { max-width: 280px; }
.items-cell { color: var(--mut); font-size: var(--fs-sm); }
.items-summary {
  cursor: pointer;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-height: calc(var(--fs-sm) * 1.45 * 2);
}
.items-summary::-webkit-details-marker { display: none; }
.items-more { color: var(--accent); font-size: var(--fs-xs); }
.items-full { margin: var(--space-2) 0 0; padding-left: var(--space-4); color: var(--mut); }

.amount { white-space: nowrap; font-variant-numeric: tabular-nums; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: var(--fs-xs); }

.field-input, .field-select {
  width: 100%;
  background: #12171d;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--fg);
  padding: var(--space-1) var(--space-2);
}
.field-input:focus, .field-select:focus { outline: none; border-color: var(--accent); }
.field-input--amount { max-width: 180px; }

.lock-icon { color: var(--status-locked); font-size: var(--fs-xs); margin-left: var(--space-1); }
.field-hint { display: block; color: var(--status-attention); font-size: var(--fs-xs); margin-top: 2px; }

.chk { display: flex; align-items: center; gap: var(--space-2); }
.ship-yes, .received-yes { color: var(--ok); }
.ship-no, .received-no { color: var(--mut); }

a.btn { color: var(--accent); text-decoration: none; display: inline-block; }
a.btn:hover { text-decoration: underline; }

.synced { color: var(--mut); font-size: var(--fs-xs); white-space: nowrap; }

.row-expand-toggle {
  background: none;
  border: 1px solid var(--line);
  color: var(--mut);
  font-size: var(--fs-xs);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-2);
}

/* ---------- save-flow states (B8) ---------- */

.is-saving { opacity: .6; }
.is-saved { outline: 1px solid var(--status-received); }
.is-error { outline: 1px solid var(--status-attention); }

/* ---------- toast ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: var(--space-5);
  transform: translateX(-50%);
  max-width: min(480px, calc(100vw - var(--space-5)));
  background: #20262e;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--fs-sm);
  color: var(--fg);
  z-index: 10;
  box-shadow: 0 4px 16px rgba(0,0,0,.4);
}
.toast:empty { display: none; }

/* ---------- footer ---------- */

footer { padding: var(--space-3) var(--space-4); color: var(--mut); border-top: 1px solid var(--line); white-space: normal; }

/* =========================================================
   Desktop (>720px): last-resort horizontal scroll escape
   hatch ONLY above the mobile breakpoint — never at ≤720px.
   ========================================================= */
@media (min-width: 721px) {
  main { overflow-x: auto; }
  .field-select--project { display: inline-block; }
  .proj-badge { display: none; }

  /* Give editable fields enough room that values aren't clipped to garbage
     ("1154.5", "note", "CR312"). The table may scroll horizontally inside
     main on narrow desktops — acceptable for this data-dense view. */
  .field-input--amount { min-width: 96px; }
  .col-estdelivery .field-input,
  .col-tracking .field-input,
  .col-notes .field-input { min-width: 128px; }
  .col-orderno { white-space: nowrap; }
  .col-ordered, .col-synced { white-space: nowrap; }

  /* Cap every table row at ~2 text lines. Items is already 2-line clamped;
     the merchant name is the remaining offender (long shop names wrap to 3-4
     lines). Clamp it too, and clip any cell overflow so nothing exceeds 2 lines. */
  tr.order-row td { vertical-align: top; }
  .merchant-name {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  td.col-status { overflow: hidden; }
  .toggle-shipped { flex-wrap: nowrap; }
  .ship-state { white-space: nowrap; }
}

/* =========================================================
   Mobile (≤720px): table -> card reflow
   ========================================================= */
@media (max-width: 720px) {
  main { overflow-x: visible; padding: var(--space-3); }

  .toolbar { padding: var(--space-2) var(--space-3); }
  .toolbar-row { flex-direction: column; align-items: stretch; }
  .toolbar-row--chips { flex-direction: row; flex-wrap: wrap; }
  /* In a column flex row, `flex: 1 1 240px` would apply 240px as HEIGHT.
     Reset so fields size to content and span full width. */
  .search-field { flex: 0 0 auto; width: 100%; }
  .toolbar-row--meta { flex-direction: row; align-items: center; }

  #dashboard .dashboard-row { flex-wrap: wrap; gap: var(--space-3); }

  thead { display: none; }

  tbody, tr.group-row, tr.order-row { display: block; }

  tr.group-row td { padding: 0; }
  .group-toggle { border-radius: var(--radius-md); }

  tr.order-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-3);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
  }

  tr.order-row td {
    display: block;
    border-bottom: none;
    padding: 0;
  }

  tr.order-row td[data-detail="secondary"] { display: none; }
  tr.order-row.is-expanded td[data-detail="secondary"] { display: block; }

  td.col-fulfillment, td.col-expand { display: block; }

  td.col-project   { order: 1; }
  td.col-merchant  { order: 2; }
  td.col-fulfillment { order: 3; }
  td.col-amount    { order: 4; }
  td.col-status    { order: 5; }
  td.col-items     { order: 6; }
  td.col-expand    { order: 7; }
  td.col-orderno   { order: 8; }
  td.col-estdelivery { order: 9; }
  td.col-shipped   { order: 10; }
  td.col-tracking  { order: 11; }
  td.col-received  { order: 12; }
  td.col-notes     { order: 13; }
  td.col-return    { order: 14; }
  td.col-synced    { order: 15; }

  .col-project { display: flex; align-items: center; justify-content: space-between; }
  .proj-badge { display: inline-block; }
  .field-select--project { display: none; }
  tr.order-row.is-expanded .proj-badge { display: none; }
  tr.order-row.is-expanded .field-select--project { display: inline-block; }

  .col-fulfillment { display: flex; align-items: center; gap: var(--space-2); }

  /* touch targets (B2/B5) */
  label.toggle-received, label.toggle-shipped { display: flex; align-items: center; min-height: 44px; padding: var(--space-2) 0; }
  .field-input, .field-select, input[type="date"] { min-height: 44px; padding: var(--space-3); }
  a.btn, #syncBtn, .row-expand-toggle, .group-toggle { min-height: 44px; min-width: 44px; padding: var(--space-2) var(--space-3); }
}