/* ============================================================
   components.css — المكونات المشتركة
   Buttons · Forms · Cards · Badges · Alerts · Tables · Modal ·
   Toast · Skeleton · Empty · Tabs · Pagination · Topbar/Sidebar
   كلها theme-aware + RTL-safe (logical properties).
   ============================================================ */

/* ================= Buttons ================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: 10px 18px; border-radius: var(--radius-md); border: 1px solid transparent;
  font-weight: 600; font-size: var(--text-sm); line-height: 1.2;
  min-height: 42px; text-decoration: none; white-space: nowrap;
  transition: background var(--transition-fast), border-color var(--transition-fast),
              color var(--transition-fast), transform var(--transition-fast);
}
.btn:active { transform: translateY(1px); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.55; pointer-events: none; }

.btn--primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn--primary:hover { background: var(--color-primary-dark); }

.btn--outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary-border); }
.btn--outline:hover { background: var(--color-primary-soft); }

.btn--ghost { background: transparent; color: var(--color-text-muted); }
.btn--ghost:hover { background: var(--color-primary-soft); color: var(--color-primary); }

.btn--danger { background: var(--color-danger); color: var(--color-on-status); }
.btn--danger:hover { filter: brightness(0.92); }

.btn--danger-ghost { background: transparent; color: var(--color-danger); border-color: var(--color-danger-soft); }
.btn--danger-ghost:hover { background: var(--color-danger-soft); }

.btn--sm { min-height: 34px; padding: 6px 12px; font-size: var(--text-xs); }
.btn--block { width: 100%; }
.btn--lg { min-height: 50px; padding: 14px 26px; font-size: var(--text-md); }

/* ================= Forms ================= */
.field { display: grid; gap: 6px; margin-block-end: var(--space-4); }
.field__label { font-weight: 600; font-size: var(--text-sm); }
.field__hint { font-size: var(--text-xs); color: var(--color-text-faint); }

.input, .select, .textarea {
  width: 100%; padding: 10px 14px; min-height: 44px;
  border: 1px solid var(--color-border-strong); border-radius: var(--radius-md);
  background: var(--color-surface); color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.textarea { min-height: 96px; resize: vertical; }
.input:hover, .select:hover, .textarea:hover { border-color: var(--color-primary-border); }
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: var(--focus-ring);
}
.input[aria-invalid="true"], .select[aria-invalid="true"], .textarea[aria-invalid="true"] {
  border-color: var(--color-danger);
}
.field__error { font-size: var(--text-xs); color: var(--color-danger); display: none; }
.field.has-error .field__error { display: block; }
.field.has-error .input, .field.has-error .select { border-color: var(--color-danger); }

/* روافد مخصصة خفيفة */
.select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-text-muted) 50%),
                    linear-gradient(135deg, var(--color-text-muted) 50%, transparent 50%);
  background-position: calc(0% + 18px) calc(50% - 2px), calc(0% + 23px) calc(50% - 2px);
  background-size: 5px 5px;
  background-repeat: no-repeat;
  padding-inline-start: 38px;
}
[dir="rtl"] .select { background-position: calc(100% - 18px) calc(50% - 2px), calc(100% - 23px) calc(50% - 2px); }

/* مفتاح تبديل */
.switch { position: relative; display: inline-block; width: 42px; height: 24px; flex: none; }
.switch input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.switch__track {
  position: absolute; inset: 0; border-radius: var(--radius-pill);
  background: var(--color-border-strong); transition: background var(--transition-fast);
}
.switch__track::after {
  content: ""; position: absolute; top: 3px; inset-inline-start: 3px;
  width: 18px; height: 18px; border-radius: 50%; background: #fff;
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}
.switch input:checked + .switch__track { background: var(--color-primary); }
.switch input:checked + .switch__track::after { transform: translateX(18px); }
[dir="rtl"] .switch input:checked + .switch__track::after { transform: translateX(-18px); }
.switch input:focus-visible + .switch__track { box-shadow: var(--focus-ring); }

/* ================= Cards / Badges / Alerts ================= */
.card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  min-width: 0; /* item شبكي/مرن: يمنع min-content من تمديد البطاقة فوق عمودها (جداول عريضة داخل ov-grid) */
}
.card__body { padding: var(--space-5); }
.card__header {
  padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-border);
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-3);
}
.card__title { font-size: var(--text-lg); font-weight: 700; }

.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: var(--radius-pill);
  font-size: var(--text-xs); font-weight: 600; line-height: 1.6;
}
.badge--success { background: var(--color-success-soft); color: var(--color-success); }
.badge--warning { background: var(--color-warning-soft); color: var(--color-warning); }
.badge--danger  { background: var(--color-danger-soft);  color: var(--color-danger); }
.badge--info    { background: var(--color-info-soft);    color: var(--color-info); }
.badge--neutral { background: var(--color-surface-sunken); color: var(--color-text-muted); }
.badge--xs { font-size: var(--text-xs); padding: 1px 6px; margin-inline-start: 6px; vertical-align: middle; }

/* ================= Reports catalog (PHASE G) ================= */
.rep-card {
  display: block; width: 100%; text-align: start; margin-block-end: var(--space-2);
  cursor: pointer; transition: border-color var(--transition-fast);
}
.rep-card:hover { border-color: var(--color-primary); }
.rep-card--active { border-color: var(--color-primary); box-shadow: var(--shadow-md); }

/* ================= Product thumbnails (PHASE D) ================= */
.prod-thumb {
  width: 44px; height: 44px; aspect-ratio: 1; object-fit: cover;
  border-radius: var(--radius-md); border: 1px solid var(--color-border);
  background: var(--color-surface-sunken); flex: none;
}
.prod-thumb--form { width: 72px; height: 72px; }

/* ================= Invoice view (PHASE C) ================= */
.inv-head { display: flex; justify-content: space-between; gap: var(--space-4); align-items: flex-start; flex-wrap: wrap; }
.inv-head__num { font-size: var(--text-lg); font-weight: 800; font-variant-numeric: tabular-nums; }
.inv-head__actions { flex: none; }
.inv-items { display: grid; gap: var(--space-2); }
.inv-item { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-3); padding: 10px 0; border-block-end: 1px dashed var(--color-border); }
.inv-item:last-child { border-block-end: none; }
.inv-item__main bdi { font-weight: 700; }
.inv-item__sub { font-size: var(--text-sm); color: var(--color-text-muted); margin-block-start: 2px; }
.inv-item__total { font-weight: 700; white-space: nowrap; font-variant-numeric: tabular-nums; }
.inv-totals { margin-block-start: var(--space-4); padding-block-start: var(--space-3); border-block-start: 1px solid var(--color-border); }
.inv-meta { padding: 3px 0; font-size: var(--text-sm); }
.inv-meta .num { font-variant-numeric: tabular-nums; }
.inv-total { margin-block-start: var(--space-2); padding-block-start: var(--space-2); border-block-start: 1px dashed var(--color-border); font-size: var(--text-lg); }
.inv-total .num { font-weight: 800; font-variant-numeric: tabular-nums; }
.inv-page .card__header { border-block-end: 1px solid var(--color-border); }
.inv-toolbar { display: flex; flex-wrap: wrap; gap: var(--space-2); justify-content: flex-start; margin-block-end: var(--space-4); }
.inv-parties { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--space-4); margin-block-end: var(--space-4); }
.inv-party__name { font-weight: 700; margin-block-start: 2px; }
.dashed-sep { border-block-start: 1px dashed var(--color-border); margin-block: var(--space-3); }
.text-danger { color: var(--color-danger); }

.alert {
  display: flex; gap: var(--space-3); align-items: flex-start;
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-md);
  border: 1px solid transparent; font-size: var(--text-sm);
}
.alert--success { background: var(--color-success-soft); color: var(--color-success); border-color: color-mix(in srgb, var(--color-success) 25%, transparent); }
.alert--warning { background: var(--color-warning-soft); color: var(--color-warning); border-color: color-mix(in srgb, var(--color-warning) 25%, transparent); }
.alert--danger  { background: var(--color-danger-soft);  color: var(--color-danger);  border-color: color-mix(in srgb, var(--color-danger) 25%, transparent); }
.alert--info    { background: var(--color-info-soft);    color: var(--color-info);    border-color: color-mix(in srgb, var(--color-info) 25%, transparent); }
.alert[hidden] { display: none; }

/* ================= Tables ================= */
.table-wrap {
  overflow-x: auto; border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); background: var(--color-surface);
}
.table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); min-width: 560px; }
.table th, .table td {
  padding: 12px 16px; text-align: start;
  border-block-end: 1px solid var(--color-border);
}
.table thead th {
  background: var(--color-surface-sunken); color: var(--color-text-muted);
  font-weight: 700; font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.04em;
  position: sticky; top: 0; z-index: 1;
}
.table tbody tr:hover { background: var(--color-primary-soft); }
.table tbody tr:last-child td { border-block-end: none; }
.table td.num, .table th.num { text-align: end; font-variant-numeric: tabular-nums; }

.table__actions { display: flex; gap: var(--space-2); justify-content: flex-end; }
.table__empty { padding: var(--space-6); text-align: center; color: var(--color-text-muted); }

/* ================= Modal ================= */
.modal-overlay {
  position: fixed; inset: 0; background: var(--overlay);
  display: none; align-items: center; justify-content: center;
  padding: var(--space-4); z-index: 80;
}
.modal-overlay.is-open { display: flex; }
.modal {
  background: var(--color-surface-elevated); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  width: min(100%, 520px); max-height: min(86dvh, 720px);
  display: flex; flex-direction: column;
  animation: modal-in var(--transition-med) both;
}
.modal--lg { width: min(100%, 720px); }
@keyframes modal-in { from { opacity: 0; transform: translateY(12px) scale(0.98); } }
.modal__header {
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-3);
  padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-border);
}
.modal__title { font-size: var(--text-lg); font-weight: 700; }
.modal__body { padding: var(--space-5); overflow-y: auto; }
.modal__footer {
  display: flex; justify-content: flex-end; gap: var(--space-2);
  padding: var(--space-4) var(--space-5); border-top: 1px solid var(--color-border);
}

/* ================= Toast ================= */
.toast-region {
  position: fixed; bottom: var(--space-4); inset-inline-start: 50%; transform: translateX(-50%);
  display: grid; gap: var(--space-2); z-index: 95; width: min(92vw, 420px);
}
[dir="rtl"] .toast-region { transform: translateX(50%); }
.toast {
  display: flex; align-items: center; gap: var(--space-3);
  padding: 12px 16px; border-radius: var(--radius-md);
  background: var(--color-surface-elevated); border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md); font-size: var(--text-sm); font-weight: 600;
  animation: toast-in var(--transition-med) both;
}
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }
.toast--success { border-inline-start: 4px solid var(--color-success); }
.toast--danger  { border-inline-start: 4px solid var(--color-danger); }
.toast--info    { border-inline-start: 4px solid var(--color-info); }
.toast.is-leaving { opacity: 0; transition: opacity var(--transition-med); }

/* ================= Skeleton / Empty / Spinner ================= */
.skeleton {
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--color-surface-sunken) 25%, var(--color-surface) 50%, var(--color-surface-sunken) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  min-height: 14px;
}
@keyframes shimmer { to { background-position: -200% 0; } }
.skeleton--row { height: 44px; margin-block-end: var(--space-2); }
.skeleton--card { height: 110px; }

.spinner {
  width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid var(--color-border-strong); border-top-color: var(--color-primary);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty {
  display: grid; justify-items: center; gap: var(--space-3);
  padding: var(--space-8) var(--space-4); text-align: center;
}
.empty__icon { font-size: 40px; opacity: 0.8; }
.empty__title { font-weight: 700; font-size: var(--text-lg); }
.empty__hint { color: var(--color-text-muted); max-width: 420px; }

/* ================= Tabs ================= */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--color-border); overflow-x: auto; }
.tab {
  padding: 10px 16px; font-size: var(--text-sm); font-weight: 600;
  color: var(--color-text-muted); border: none; background: none;
  border-block-end: 2px solid transparent; white-space: nowrap;
}
.tab[aria-selected="true"] { color: var(--color-primary); border-block-end-color: var(--color-primary); }
.tab:hover { color: var(--color-primary); }

/* ================= Pagination ================= */
.pagination { display: flex; gap: var(--space-2); align-items: center; justify-content: center; padding-block: var(--space-4); }
.pagination__info { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ================= App Topbar / Sidebar ================= */
.topbar {
  position: sticky; top: 0; z-index: 60;
  background: var(--color-surface); border-bottom: 1px solid var(--color-border);
  height: var(--topbar-h); display: flex; align-items: center; gap: var(--space-3);
  padding-inline: var(--space-4);
}
.brand { display: inline-flex; align-items: center; gap: var(--space-2); font-weight: 800; color: var(--color-text); text-decoration: none; }
.brand img { width: 34px; height: 34px; border-radius: 10px; object-fit: cover; }
.topbar .brand span { white-space: nowrap; }
@media (max-width: 420px) { .topbar .brand span { display: none; } }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: var(--radius-md);
  border: none; background: transparent; color: var(--color-text-muted);
  font-size: 18px;
}
.icon-btn:hover { background: var(--color-primary-soft); color: var(--color-primary); }

.sidebar {
  position: sticky; top: var(--topbar-h);
  height: calc(100dvh - var(--topbar-h));
  background: var(--color-surface);
  border-inline-end: 1px solid var(--color-border);
  padding: var(--space-4); overflow-y: auto;
}

.app-shell { padding-block-start: var(--topbar-h); }
.app-layout { display: grid; grid-template-columns: 248px 1fr; min-height: calc(100dvh - var(--topbar-h)); }
.app-main { padding: var(--space-5); min-width: 0; }

/* زر القائمة بلا معنى على Desktop — الـsidebar دائمًا ظاهر */
@media (min-width: 901px) { [data-menu-toggle] { display: none; } }

@media (max-width: 900px) {
  .app-layout { grid-template-columns: 1fr; }
  /* على الموبايل فقط: الـsidebar درج منزلق خارج التدفق */
  .sidebar, [dir="rtl"] .sidebar {
    position: fixed; inset-block: var(--topbar-h) 0; inset-inline-start: 0;
    width: 248px; z-index: 50;
    transform: translateX(-100%); transition: transform var(--transition-med);
    box-shadow: var(--shadow-lg);
  }
  [dir="rtl"] .sidebar { transform: translateX(100%); }
  /* حالة الفتح بمحددات صريحة لكل اتجاه — لا تُغلَب بأي اختلاف ترتيب */
  .sidebar.is-open, [dir="rtl"] .sidebar.is-open { transform: translateX(0); }
}

.navlink {
  display: flex; align-items: center; gap: var(--space-3);
  padding: 10px 12px; border-radius: var(--radius-md);
  color: var(--color-text-muted); text-decoration: none; font-weight: 600; font-size: var(--text-sm);
}
.navlink:hover { background: var(--color-primary-soft); color: var(--color-primary); }
.navlink[aria-current="page"] { background: var(--color-primary-soft); color: var(--color-primary); }
.navlink__icon { width: 22px; text-align: center; flex: none; }

.scrim {
  position: fixed; inset: 0; background: var(--overlay); z-index: 45;
  opacity: 0; pointer-events: none; transition: opacity var(--transition-med);
}
.scrim.is-open { opacity: 1; pointer-events: auto; }

/* ================= Stat cards (Overview) ================= */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-4); }
.stat { padding: var(--space-4); }
.stat__label { font-size: var(--text-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-muted); }
.stat__value { font-size: var(--text-2xl); font-weight: 800; margin-block-start: 6px; font-variant-numeric: tabular-nums; }
.stat__meta { font-size: var(--text-xs); color: var(--color-text-faint); margin-block-start: 4px; }

/* ================= Auth pages ================= */
.auth-wrap { min-height: 100dvh; display: grid; place-items: center; padding: var(--space-5); }
.auth-card { width: min(100%, 460px); }
.auth-card--wide { width: min(100%, 560px); }
.auth-head { text-align: center; padding: var(--space-6) var(--space-5) 0; }
.auth-head .brand { justify-content: center; }
.auth-body { padding: var(--space-5); }
.auth-links { text-align: center; margin-block-start: var(--space-4); font-size: var(--text-sm); }