/* โครงหน้าแอป ERP — ต่อยอดจาก friendly.css ใช้ token เท่านั้น */

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: var(--space-3); top: -64px; z-index: 60;
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface); color: var(--color-text);
  border-radius: var(--radius-md); box-shadow: var(--shadow-md);
  text-decoration: none; font-size: var(--text-sm);
  transition: top 140ms ease;
}
.skip-link:focus-visible { top: var(--space-3); outline: none; box-shadow: var(--focus-ring); }

.muted { color: var(--color-text-muted); }
.mono { font-family: var(--font-mono); font-size: var(--text-xs); }
.icon { width: 18px; height: 18px; flex: none; stroke-width: 1.6; }

/* ---------- ฟอร์ม ---------- */
.field { margin-bottom: var(--space-4); }
.field__label {
  display: block; margin-bottom: var(--space-2);
  font-size: var(--text-sm); font-weight: 500;
}
.input {
  width: 100%; min-height: 44px;
  padding: var(--space-2) var(--space-3);
  font: inherit; font-size: var(--text-sm);
  color: var(--color-text); background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  transition: border-color 140ms ease, box-shadow 140ms ease;
}
.input:hover { border-color: var(--color-text-subtle); }
.input:focus-visible {
  outline: none;
  border-color: var(--color-primary-ink);
  box-shadow: var(--focus-ring);
}
.input[disabled] { background: var(--color-canvas); opacity: 0.6; cursor: not-allowed; }
.input::placeholder { color: var(--color-text-subtle); }

.input-group { position: relative; }
.input-group .input { padding-left: 42px; }
.input-group__icon {
  position: absolute; left: var(--space-3); top: 50%;
  transform: translateY(-50%); color: var(--color-text-subtle);
  pointer-events: none;
}

.checkbox {
  display: inline-flex; align-items: center; gap: var(--space-2);
  margin-bottom: var(--space-5); font-size: var(--text-sm);
  cursor: pointer; user-select: none;
}
.checkbox input { width: 18px; height: 18px; accent-color: var(--color-primary-ink); }
.checkbox input:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--radius-sm); }

.btn--block { width: 100%; }
.btn--sm { min-height: 32px; padding: 0 var(--space-3); font-size: var(--text-xs); }
.btn--lg { min-height: 48px; font-size: var(--text-md); }

.alert {
  display: flex; gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}
.alert--danger {
  background: var(--color-danger-soft);
  color: #991B1B;
}

.badge--primary { background: var(--color-primary-soft); color: var(--color-primary-ink); }
.badge--success { background: var(--color-success-soft); color: #137A3A; }
.badge--warning { background: var(--color-warning-soft); color: #9A5B05; }
.badge--muted   { background: var(--color-canvas);       color: var(--color-text-muted); }

/* ---------- หน้า login ---------- */
.auth-body { min-height: 100vh; background: var(--color-surface); }
.auth-shell { display: grid; grid-template-columns: 1.1fr 1fr; min-height: 100vh; }

.auth-brand {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: var(--space-10);
  color: var(--color-surface);
  background:
    radial-gradient(640px 420px at 12% 12%, rgba(242, 217, 220, 0.42), transparent 62%),
    radial-gradient(520px 380px at 88% 88%, rgba(217, 242, 216, 0.26), transparent 60%),
    linear-gradient(152deg, #5B1F2C 0%, #8A3346 48%, #9F3D52 100%);
}
.auth-brand::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 70% at 30% 30%, #000 20%, transparent 100%);
}
.auth-brand > * { position: relative; z-index: 1; }
.auth-brand .label-caps { color: rgba(255, 255, 255, 0.62); }
.auth-brand h1 {
  font-size: var(--text-3xl); font-weight: 600;
  margin: var(--space-4) 0 var(--space-4);
  max-width: 16ch;
}
.auth-brand__lead {
  font-size: var(--text-md);
  color: rgba(255, 255, 255, 0.78);
  max-width: 40ch; margin: 0;
}
.auth-brand__list {
  margin: 0; padding: 0; list-style: none;
  display: grid; gap: var(--space-3);
  font-size: var(--text-sm); color: rgba(255, 255, 255, 0.88);
}
.auth-brand__list li { display: flex; align-items: center; gap: var(--space-3); }
.auth-brand__check {
  display: grid; place-items: center; flex: none;
  width: 22px; height: 22px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
}
.auth-brand__foot { font-size: var(--text-xs); color: rgba(255, 255, 255, 0.5); margin: 0; }

.auth-panel {
  display: flex; flex-direction: column; justify-content: center;
  padding: var(--space-10) var(--space-8);
}
.auth-form { width: 100%; max-width: 384px; margin: 0 auto; }
.auth-logo {
  display: inline-grid; place-items: center;
  width: 44px; height: 44px; margin-bottom: var(--space-5);
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 600;
}
.auth-form h2 { font-size: var(--text-2xl); margin-bottom: var(--space-2); }
.auth-form__lead { color: var(--color-text-muted); margin-bottom: var(--space-6); }
.auth-form__row {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-3);
}
.auth-link {
  color: var(--color-primary-ink); font-size: var(--text-sm);
  text-decoration: none; border-radius: var(--radius-sm);
}
.auth-link:hover { text-decoration: underline; }
.auth-link:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.auth-foot {
  margin: var(--space-8) 0 0; padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs); color: var(--color-text-subtle);
}

/* ---------- โครงแอป ---------- */
.app { display: grid; grid-template-columns: 236px 1fr; min-height: 100vh; }

.sidebar {
  display: flex; flex-direction: column; gap: var(--space-6);
  padding: var(--space-5) var(--space-3);
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  position: sticky; top: 0; height: 100vh;
}
.sidebar__brand {
  display: flex; align-items: center; gap: var(--space-3);
  padding: 0 var(--space-2);
}
.sidebar__mark {
  display: grid; place-items: center;
  width: 34px; height: 34px; flex: none;
  background: var(--color-primary-ink); color: var(--color-surface);
  border-radius: var(--radius-md);
  font-family: var(--font-mono); font-size: 0.6875rem; font-weight: 600;
}
.sidebar__name { font-weight: 600; font-size: var(--text-md); letter-spacing: -0.01em; }
.sidebar__nav { display: grid; gap: 2px; }
.sidebar__group {
  padding: var(--space-4) var(--space-2) var(--space-1);
}
.sidebar__foot {
  margin-top: auto; padding: var(--space-3);
  background: var(--color-primary-soft);
  border-radius: var(--radius-md);
}
.sidebar__foot p { margin: 0; font-size: var(--text-xs); }

.navlink {
  display: flex; align-items: center; gap: var(--space-3);
  min-height: 38px; padding: 0 var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text-muted); text-decoration: none;
  font-size: var(--text-sm);
  transition: background 140ms ease, color 140ms ease;
}
.navlink:hover { background: var(--color-canvas); color: var(--color-text); }
.navlink:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.navlink.is-active {
  background: var(--color-primary-soft);
  color: var(--color-primary-ink);
  font-weight: 500;
}
.navlink.is-active .icon { color: var(--color-primary-ink); }

.app__main { display: flex; flex-direction: column; min-width: 0; }

.topbar {
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-3) var(--space-6);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  position: sticky; top: 0; z-index: 20;
}
.topbar .topbar__toggle { display: none; }
.topbar__title h1 { margin: 0; font-size: var(--text-lg); }
.topbar__title p { margin: 0; }
.topbar__search { margin-left: auto; width: min(320px, 34vw); }
.topbar__actions { display: flex; align-items: center; gap: var(--space-2); }
.icon-btn {
  display: grid; place-items: center;
  width: 38px; height: 38px;
  color: var(--color-text-muted);
  background: transparent; border: 1px solid transparent;
  border-radius: var(--radius-md); cursor: pointer;
  transition: background 140ms ease, color 140ms ease;
}
.icon-btn:hover { background: var(--color-canvas); color: var(--color-text); }
.icon-btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }

.usermenu {
  display: flex; align-items: center; gap: var(--space-3);
  padding-left: var(--space-3);
  border-left: 1px solid var(--color-border);
}
.usermenu__who { display: grid; line-height: 1.35; }
.usermenu__who strong { font-size: var(--text-sm); font-weight: 500; }
.usermenu__who span { font-size: var(--text-xs); color: var(--color-text-subtle); }
.avatar {
  display: grid; place-items: center; flex: none;
  width: 36px; height: 36px; border-radius: var(--radius-pill);
  background: var(--color-primary); color: var(--color-primary-ink);
  font-weight: 600; font-size: var(--text-sm);
}

.content { padding: var(--space-6); display: grid; gap: var(--space-4); align-content: start; }

/* ---------- KPI ---------- */
.kpis { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fit, minmax(212px, 1fr)); }
.kpi { display: grid; gap: var(--space-3); }
.kpi__top { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); }
.kpi__icon {
  display: grid; place-items: center;
  width: 36px; height: 36px; border-radius: var(--radius-md);
  background: var(--color-primary-soft); color: var(--color-primary-ink);
}
.kpi__icon--success { background: var(--color-success-soft); color: #137A3A; }
.kpi__icon--warning { background: var(--color-warning-soft); color: #9A5B05; }
.kpi__label { font-size: var(--text-sm); color: var(--color-text-muted); margin: 0; }
.kpi__value {
  font-size: var(--text-2xl); font-weight: 600; letter-spacing: -0.02em;
  margin: 0; font-variant-numeric: tabular-nums;
}
.kpi__delta {
  display: inline-flex; align-items: center; gap: var(--space-1);
  font-size: var(--text-xs); margin: 0;
}
.kpi__delta--up { color: #137A3A; }
.kpi__delta--down { color: var(--color-danger); }
.kpi__delta--warn { color: #9A5B05; }

/* ---------- เลย์เอาต์คอลัมน์ ---------- */
.columns { display: grid; gap: var(--space-4); grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr); align-items: start; }
.stack { display: grid; gap: var(--space-4); }

.card--flush { padding: 0; overflow: hidden; }
.card__head {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-3); padding: var(--space-5) var(--space-5) var(--space-4);
}
.card--flush + .card__head { padding: 0; }
.card__head h2 { margin: 0; }
.card__head + .table-wrap { margin-top: 0; }

/* ---------- ตาราง ---------- */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.table th {
  padding: var(--space-2) var(--space-5);
  text-align: left; white-space: nowrap;
  font-size: var(--text-xs); font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-canvas);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.table td {
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr { transition: background 120ms ease; }
.table tbody tr:hover { background: var(--color-primary-soft); }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }
.table .strong { font-weight: 500; }

/* ---------- งานที่ต้องทำ ---------- */
.tasklist, .stocklist { list-style: none; margin: 0; padding: 0; display: grid; }
.tasklist__item {
  display: grid; gap: 2px;
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}
.tasklist__item:last-child { border-bottom: 0; }
.tasklist__title {
  display: flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-sm); font-weight: 500;
}
.tasklist__title::before {
  content: ""; width: 8px; height: 8px; flex: none;
  border-radius: 50%; background: var(--color-border-strong);
}
.tasklist__item--danger  .tasklist__title::before { background: var(--color-danger); }
.tasklist__item--warning .tasklist__title::before { background: var(--color-warning); }
.tasklist__item .muted { font-size: var(--text-xs); padding-left: 16px; }

/* ---------- สต็อก ---------- */
.stocklist__item {
  display: grid; gap: var(--space-2);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}
.stocklist__item:last-child { border-bottom: 0; }
.stocklist__row {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: var(--space-3); font-size: var(--text-sm);
}
.stocklist__row .mono { color: var(--color-text-subtle); }
.stocklist__meta { margin: 0; font-size: var(--text-xs); }
.meter { height: 6px; border-radius: var(--radius-pill); background: var(--color-canvas); overflow: hidden; }
.meter__fill { display: block; height: 100%; border-radius: var(--radius-pill); background: var(--color-warning); }
.meter__fill--critical { background: var(--color-danger); }

.empty { padding: var(--space-8) var(--space-5); text-align: center; color: var(--color-text-subtle); }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .columns { grid-template-columns: 1fr; }
}
@media (max-width: 920px) {
  .auth-shell { grid-template-columns: 1fr; }
  .auth-brand { display: none; }
  .auth-panel { padding: var(--space-8) var(--space-4); }
}
@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; inset: 0 auto 0 0; width: 236px; z-index: 40;
    transform: translateX(-100%); transition: transform 180ms ease;
  }
  body.sidebar-open .sidebar { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .topbar .topbar__toggle { display: grid; }
  .topbar__search, .usermenu__who { display: none; }
  .content { padding: var(--space-4); }
}

/* ---------- กราฟแท่งยอดขาย ---------- */
.chart {
  display: flex; align-items: flex-end; gap: var(--space-2);
  height: 160px; padding-top: var(--space-4);
}
.chart__col {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; gap: var(--space-2); height: 100%;
  justify-content: flex-end;
}
.chart__bar {
  position: relative; width: 100%; max-width: 32px;
  border-radius: var(--radius-sm) var(--radius-sm) 2px 2px;
  background: linear-gradient(180deg, var(--color-primary-ink), #C2707F);
  transition: filter 140ms ease;
}
.chart__col:hover .chart__bar { filter: brightness(1.12); }
.chart__tip {
  position: absolute; bottom: calc(100% + 6px); left: 50%;
  transform: translateX(-50%);
  padding: 2px var(--space-2);
  background: var(--color-text); color: var(--color-surface);
  border-radius: var(--radius-sm);
  font-size: 0.6875rem; white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: opacity 140ms ease;
}
.chart__col:hover .chart__tip { opacity: 1; }
.chart__label { font-size: 0.6875rem; color: var(--color-text-subtle); font-family: var(--font-mono); }