/* ==========================================================================
   COMPONENTS — كل العناصر المتكررة معرّفة هنا
   --------------------------------------------------------------------------
   hierarchy:  Component  →  Variant  →  Size  →  State
   كل القيم من tokens.css — ممنوع hard-coded
   ========================================================================== */


/* ##########################################################################
   BUTTON — المكوّن الأساسي الوحيد. ممنوع أي صفحة تعمل styling خاص.
   ########################################################################## */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-normal);
  padding: var(--space-sm) var(--space-lg);
  min-height: var(--control-height-md);
  border: 1.5px solid var(--color-border-primary-full);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  isolation: isolate;
  overflow: hidden;
  transition:
    color var(--transition-base),
    background-color var(--transition-base),
    border-color var(--transition-base),
    border-radius var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

/* ---- Variants ---------------------------------------------------------- */
.btn-primary {
  border-color: var(--color-border-primary-full);
  color: var(--color-text);
  background: var(--color-primary-softer);
}

.btn-secondary {
  border-color: var(--color-border-strong);
  color: var(--color-text-secondary);
  background: var(--color-surface-3);
}

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

.btn-danger {
  border-color: var(--color-danger);
  color: var(--color-danger-light);
  background: var(--color-danger-soft);
}

.btn-success {
  border-color: var(--color-success);
  color: var(--color-success-light);
  background: var(--color-success-soft);
}

.btn-warning {
  border-color: var(--color-warning);
  color: var(--color-warning-light);
  background: var(--color-warning-soft);
}

/* ---- Sizes ------------------------------------------------------------- */
.btn-sm {
  font-size: var(--font-size-sm);
  padding: var(--space-2xs) var(--space-sm);
  min-height: var(--control-height-sm);
  border-radius: var(--radius-sm);
}

.btn-lg {
  font-size: var(--font-size-md);
  padding: var(--space-md) var(--space-xl);
  min-height: var(--control-height-lg);
  border-radius: var(--radius-lg);
}

.btn-full { width: 100%; }

.btn-icon {
  width: var(--control-height-md);
  min-height: var(--control-height-md);
  padding: 0;
  border-radius: var(--radius-md);
}
.btn-icon.btn-sm { width: var(--control-height-sm); min-height: var(--control-height-sm); border-radius: var(--radius-sm); }
.btn-icon.btn-lg { width: var(--control-height-lg); min-height: var(--control-height-lg); border-radius: var(--radius-lg); }

/* ---- States ------------------------------------------------------------ */
.btn:hover:not(:disabled):not(.btn-loading),
.btn:focus-visible:not(:disabled):not(.btn-loading) {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-color: var(--color-primary-light);
  color: var(--color-text-inverse);
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary-md);
}

.btn:focus-visible {
  outline: var(--focus-ring-width) solid var(--color-primary-light);
  outline-offset: var(--focus-ring-offset);
}

.btn:active:not(:disabled) { transform: translateY(0); }

.btn:disabled,
.btn[aria-disabled="true"],
.btn.btn-loading {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none;
  transform: none;
}

/* Danger hover */
.btn-danger:hover:not(:disabled),
.btn-danger:focus-visible:not(:disabled) {
  background: linear-gradient(135deg, var(--color-danger-light), var(--color-danger));
  border-color: var(--color-danger-light);
  color: var(--color-white, #fff);
  box-shadow: 0 8px 26px rgba(192, 57, 43, 0.4);
}

/* Success hover */
.btn-success:hover:not(:disabled),
.btn-success:focus-visible:not(:disabled) {
  background: linear-gradient(135deg, var(--color-success-light), var(--color-success));
  border-color: var(--color-success-light);
  box-shadow: 0 8px 26px rgba(40, 167, 111, 0.4);
}

/* Ghost hover */
.btn-ghost:hover:not(:disabled),
.btn-ghost:focus-visible:not(:disabled) {
  background: var(--color-primary-soft);
  border-color: var(--color-border-primary);
  color: var(--color-primary-light);
  box-shadow: none;
}

/* ---- Loading ----------------------------------------------------------- */
.btn.btn-loading { position: relative; color: transparent !important; }
.btn.btn-loading::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 1em;
  height: 1em;
  border: 2px solid rgba(0, 0, 0, 0.25);
  border-top-color: var(--color-primary-dark);
  border-radius: 50%;
  animation: btn-spin var(--transition-spin) infinite linear;
}
.btn-danger.btn-loading::after { border-color: rgba(255,255,255,.3); border-top-color: #fff; }

@keyframes btn-spin { to { transform: rotate(360deg); } }

/* ---- Legacy aliases (للتوافق مع الكود القديم) -------------------------- */
.btn.primary,
.btn.outline {
  border-color: var(--color-border-primary-full);
  background: var(--color-primary-softer);
  color: var(--color-text);
}
.btn.outline { background: transparent; }


/* ##########################################################################
   FORM CONTROLS — Input / Select / Textarea / Checkbox / Radio
   ########################################################################## */
.form-group { margin-bottom: var(--space-md); }

.form-group > label {
  display: block;
  margin-bottom: var(--space-2xs);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
}

.input,
.select,
.textarea,
input[type="text"],
input[type="password"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="search"],
input[type="date"],
select,
textarea {
  width: 100%;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  min-height: var(--control-height-md);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

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

input:hover:not(:disabled),
select:hover:not(:disabled),
textarea:hover:not(:disabled) { border-color: var(--color-border-strong); }

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

input:disabled,
select:disabled,
textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--color-surface-2);
}

textarea { min-height: 84px; resize: vertical; line-height: var(--line-height-base); }

select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-primary) 50%),
                    linear-gradient(135deg, var(--color-primary) 50%, transparent 50%);
  background-position: calc(100% - 20px) calc(50% + 2px), calc(100% - 14px) calc(50% + 2px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-left: var(--space-2xl);
}

/* Checkbox / Radio */
.checkbox, .radio {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  cursor: pointer;
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  user-select: none;
}
.checkbox input, .radio input {
  width: 18px; height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* Hint / Error */
.hint { margin-top: var(--space-3xs); font-size: var(--font-size-sm); color: var(--color-text-muted); }
.hint.error { color: var(--color-danger-light); }
.hint.success { color: var(--color-success-light); }


/* ##########################################################################
   CARD / PANEL
   ########################################################################## */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

.card-hover:hover {
  border-color: var(--color-border-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}
.panel-header h2 { margin: 0; font-size: var(--font-size-lg); font-weight: var(--font-weight-bold); }
.panel-body { padding: var(--space-lg); }


/* ##########################################################################
   MODAL / OVERLAY
   ########################################################################## */
.modal-overlay,
.screen-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  background: var(--color-overlay);
  backdrop-filter: blur(6px);
  animation: modal-fade var(--transition-base);
}

.modal,
.screen-box {
  position: relative;
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-xl);
  animation: modal-rise var(--transition-bounce);
}

.modal-close,
.close-screen {
  position: absolute;
  top: var(--space-sm);
  inset-inline-start: var(--space-sm);
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--color-text-muted);
  font-size: var(--font-size-md);
  cursor: pointer;
  transition: var(--transition-fast);
}
.modal-close:hover,
.close-screen:hover {
  background: var(--color-danger-soft);
  border-color: var(--color-danger);
  color: var(--color-danger-light);
}

@keyframes modal-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes modal-rise {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}


/* ##########################################################################
   TABLE
   ########################################################################## */
.table-wrapper { width: 100%; overflow-x: auto; }

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

thead th {
  text-align: start;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-surface-3);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

tbody td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  vertical-align: middle;
}

tbody tr { transition: background-color var(--transition-fast); }
tbody tr:hover { background: var(--color-surface-hover); }
tbody tr:last-child td { border-bottom: none; }


/* ##########################################################################
   BADGE / STATUS / ALERT
   ########################################################################## */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-3xs) var(--space-xs);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge-success { background: var(--color-success-soft); color: var(--color-success-light); border-color: rgba(40,167,111,.35); }
.badge-danger  { background: var(--color-danger-soft);  color: var(--color-danger-light);  border-color: rgba(192,57,43,.35); }
.badge-warning { background: var(--color-warning-soft); color: var(--color-warning-light); border-color: rgba(214,137,16,.35); }
.badge-info    { background: var(--color-info-soft);    color: var(--color-info);         border-color: rgba(44,123,229,.35); }
.badge-neutral { background: var(--color-surface-3);    color: var(--color-text-muted);   border-color: var(--color-border); }

/* legacy status classes */
.status { display: inline-flex; padding: var(--space-3xs) var(--space-xs); font-size: var(--font-size-xs); font-weight: var(--font-weight-bold); border-radius: var(--radius-full); }
.status.success { background: var(--color-success-soft); color: var(--color-success-light); }
.status.danger  { background: var(--color-danger-soft);  color: var(--color-danger-light); }
.status.warning { background: var(--color-warning-soft); color: var(--color-warning-light); }

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid;
  font-size: var(--font-size-base);
  margin-bottom: var(--space-sm);
}
.alert-error   { background: var(--color-danger-soft);  border-color: rgba(192,57,43,.4);  color: var(--color-danger-light); }
.alert-success { background: var(--color-success-soft); border-color: rgba(30,142,90,.4);  color: var(--color-success-light); }
.alert-warning { background: var(--color-warning-soft); border-color: rgba(214,137,16,.4); color: var(--color-warning-light); }
.alert-info    { background: var(--color-info-soft);    border-color: rgba(44,123,229,.4);  color: var(--color-info); }


/* ##########################################################################
   TABS
   ########################################################################## */
.tabs {
  display: flex;
  gap: var(--space-2xs);
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
}
.tab {
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-fast);
}
.tab:hover { color: var(--color-primary-light); }
.tab.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

/* legacy admin tabs */
.admin-tab-btn {
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-base);
}
.admin-tab-btn:hover { color: var(--color-primary); border-color: var(--color-border-primary); transform: translateY(-2px); }
.admin-tab-btn.active { background: var(--color-primary-soft); border-color: var(--color-primary); color: var(--color-primary-light); }


/* ##########################################################################
   DROPDOWN / TOOLTIP / LOADER / PAGINATION
   ########################################################################## */
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  inset-inline-end: 0;
  min-width: 200px;
  z-index: var(--z-dropdown);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2xs);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: var(--transition-fast);
}
.dropdown.open .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-item {
  display: block;
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  text-align: start;
  cursor: pointer;
  transition: var(--transition-fast);
}
.dropdown-item:hover { background: var(--color-primary-soft); color: var(--color-primary-light); }

.tooltip { position: relative; }
.tooltip::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 8px);
  inset-inline-start: 50%;
  transform: translateX(50%) translateY(4px);
  z-index: var(--z-tooltip);
  padding: var(--space-2xs) var(--space-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text);
  background: var(--color-surface-3);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-fast);
}
.tooltip:hover::after { opacity: 1; transform: translateX(50%) translateY(0); }

.loader {
  width: 32px; height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: btn-spin var(--transition-spin) infinite linear;
}

.skeleton {
  background: linear-gradient(90deg, var(--color-surface-2) 25%, var(--color-surface-3) 50%, var(--color-surface-2) 75%);
  background-size: 200% 100%;
  border-radius: var(--radius-sm);
  animation: skeleton 1.4s ease infinite;
}
@keyframes skeleton { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.pagination { display: flex; align-items: center; gap: var(--space-2xs); justify-content: center; }
.pagination .page-btn {
  min-width: 36px; height: 36px;
  display: grid; place-items: center;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}
.pagination .page-btn:hover:not(:disabled) { color: var(--color-primary); border-color: var(--color-border-primary); }
.pagination .page-btn.active { background: var(--color-primary); color: var(--color-text-inverse); border-color: var(--color-primary); }
.pagination .page-btn:disabled { opacity: 0.35; cursor: not-allowed; }


/* ##########################################################################
   UTILITIES (spacing / text / flex)
   ########################################################################## */
.divider { text-align: center; margin: var(--space-md) 0; color: var(--color-text-disabled); font-size: var(--font-size-sm); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.text-gold { color: var(--color-primary); }
.hidden { display: none !important; }
.gold { color: var(--color-primary); }
/* ==========================================================================
   HEADER COMPONENT — central nav (rendered by partials/header.js)
   ========================================================================== */
.hdr-actions { display: flex; align-items: center; gap: var(--space-xs); }

.hdr-user {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-3xs) var(--space-xs) var(--space-3xs) var(--space-3xs);
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  transition: var(--transition-fast);
}
.hdr-user:hover {
  border-color: var(--color-border-primary);
  background: var(--color-primary-soft);
}
.hdr-avatar {
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: var(--radius-full);
  background: var(--color-primary-soft);
  border: 1px solid var(--color-border-primary);
  color: var(--color-primary-light);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-black);
}
.hdr-name { font-size: var(--font-size-sm); color: var(--color-text-secondary); }

/* access denied state */
html[data-access="denied"] body { display: none !important; }

@media (max-width: 768px) {
  .topbar { flex-wrap: wrap; gap: var(--space-xs); }
  .topbar nav { order: 3; width: 100%; overflow-x: auto; }
  .hdr-name { display: none; }
}