/* ============================================================
   DENTAL ERP — Enterprise CSS
   Colors: #8a5ba5 (primary) #808184 (secondary)
   Bilingual: Arabic RTL + English LTR
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Tajawal:wght@300;400;500;700&display=swap');

/* ── CSS Variables ── */
:root {
  --primary: #8a5ba5;
  --primary-light: #b08ad4;
  --primary-dark: #6b4385;
  --primary-bg: #f4f0f9;
  --secondary: #808184;
  --secondary-light: #a0a2a4;
  --sidebar-bg: #1a1025;
  --sidebar-width: 240px;
  --sidebar-collapsed: 64px;
  --topbar-h: 56px;
  --white: #ffffff;
  --bg: #f0edf6;
  --card-bg: #ffffff;
  --text: #1e1b2e;
  --text-muted: #808184;
  --text-light: #aaa8b0;
  --border: #e4dff0;
  --border-dark: #c8c2d8;
  --success: #1d9e75;
  --success-bg: #eaf7f2;
  --danger: #e24b4a;
  --danger-bg: #fef2f2;
  --warning: #d97706;
  --warning-bg: #fffbeb;
  --info: #2563eb;
  --info-bg: #eff6ff;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --transition: 0.2s ease;
  --font-en: 'Inter', sans-serif;
  --font-ar: 'Tajawal', sans-serif;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-en);
  background: var(--bg);
  color: var(--text);
  display: flex;
  height: 100vh;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.5;
}

/* ── Arabic RTL ── */
body.lang-ar {
  font-family: var(--font-ar);
  direction: rtl;
  text-align: right;
}
body.lang-ar .sidebar { right: 0; left: auto; border-left: none; border-right: 1px solid rgba(255,255,255,0.08); }
body.lang-ar .main-wrapper { margin-right: var(--sidebar-width); margin-left: 0; }
body.lang-ar .sidebar.collapsed ~ .main-wrapper { margin-right: var(--sidebar-collapsed); }
body.lang-ar .nav-item { border-left: none; border-right: 3px solid transparent; padding-right: 16px; padding-left: 12px; }
body.lang-ar .nav-item.active { border-right-color: var(--primary); }

/* ── SIDEBAR ── */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  color: #e8e0f4;
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: width var(--transition);
  overflow: hidden;
}
.sidebar.collapsed { width: var(--sidebar-collapsed); }
.sidebar.collapsed .brand-text,
.sidebar.collapsed .nav-label,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .user-details { display: none; }
.sidebar.collapsed .nav-item { justify-content: center; padding: 10px; }
.sidebar.collapsed .nav-item .nav-icon { margin: 0; }

.sidebar-brand {
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  min-height: 64px;
}
.sidebar-logo { height: 32px; filter: brightness(10); object-fit: contain; }
.brand-text { display: flex; flex-direction: column; }
.brand-en { font-size: 12px; font-weight: 600; color: #e0d0f0; white-space: nowrap; }
.brand-ar { font-size: 11px; color: #a89bc0; white-space: nowrap; }

.sidebar-nav { flex: 1; overflow-y: auto; overflow-x: hidden; padding: 8px 0; }
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

.nav-section { margin-bottom: 4px; }
.nav-label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #6b5f80;
  padding: 10px 16px 4px;
  font-weight: 600;
  white-space: nowrap;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  cursor: pointer;
  font-size: 12.5px;
  color: #c0b0d8;
  transition: all var(--transition);
  border-left: 3px solid transparent;
  white-space: nowrap;
  user-select: none;
}
.nav-item:hover { background: rgba(138,91,165,0.15); color: #e0d0f0; }
.nav-item.active { background: rgba(138,91,165,0.25); color: #fff; border-left-color: var(--primary); }
.nav-icon { width: 18px; text-align: center; font-size: 14px; flex-shrink: 0; }

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.user-info { display: flex; align-items: center; gap: 10px; }
.user-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600; color: #fff; flex-shrink: 0;
}
.user-name { font-size: 12px; color: #e0d0f0; font-weight: 500; }
.user-role { font-size: 10px; color: #a89bc0; }

/* ── MAIN WRAPPER ── */
.main-wrapper {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  transition: margin-left var(--transition);
  min-width: 0;
}
.sidebar.collapsed ~ .main-wrapper { margin-left: var(--sidebar-collapsed); }

/* ── TOPBAR ── */
.topbar {
  height: var(--topbar-h);
  background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  flex-shrink: 0;
  gap: 12px;
  z-index: 100;
}
.topbar-left { display: flex; align-items: center; gap: 14px; }
.sidebar-toggle {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 16px;
  padding: 6px; border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.sidebar-toggle:hover { background: var(--primary-bg); color: var(--primary); }
.page-title { font-size: 16px; font-weight: 600; color: var(--text); }
.page-subtitle { font-size: 11px; color: var(--text-muted); margin-top: 1px; }

.topbar-right { display: flex; align-items: center; gap: 10px; }

/* Date Filter */
.date-filter-group { display: flex; align-items: center; gap: 3px; }
.date-btn {
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--text-muted);
  font-weight: 500;
  transition: all var(--transition);
}
.date-btn:hover { border-color: var(--primary); color: var(--primary); }
.date-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.date-input {
  padding: 4px 8px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-size: 11px;
  color: var(--text);
}
.btn-apply {
  padding: 4px 10px; background: var(--primary);
  color: #fff; border: none; border-radius: var(--radius-sm);
  font-size: 11px; cursor: pointer;
}

/* Language Switch */
.lang-switch {
  display: flex; background: var(--primary-bg);
  border-radius: 20px; padding: 2px; gap: 1px;
}
.lang-btn {
  padding: 4px 12px; border-radius: 16px; font-size: 11px;
  cursor: pointer; color: var(--text-muted);
  border: none; background: transparent;
  font-weight: 600; transition: all var(--transition);
}
.lang-btn.active { background: var(--primary); color: #fff; }

/* Topbar Icons */
.topbar-icon-btn {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 16px;
  padding: 7px; border-radius: 50%;
  position: relative; transition: all var(--transition);
}
.topbar-icon-btn:hover { background: var(--primary-bg); color: var(--primary); }
.notif-badge {
  position: absolute; top: 2px; right: 2px;
  background: var(--danger); color: #fff;
  font-size: 8px; font-weight: 700;
  width: 15px; height: 15px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.topbar-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: #fff;
}

/* Dropdowns */
.notif-wrap, .profile-wrap { position: relative; }
.notif-dropdown, .profile-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  min-width: 280px; z-index: 1000;
  overflow: hidden;
}
.profile-link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; font-size: 13px; color: var(--text);
  text-decoration: none; transition: background var(--transition);
}
.profile-link:hover { background: var(--primary-bg); }
.profile-dropdown hr { border: none; border-top: 1px solid var(--border); margin: 4px 0; }

/* ── CONTENT AREA ── */
.content-area {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  position: relative;
}
.content-area::-webkit-scrollbar { width: 6px; }
.content-area::-webkit-scrollbar-thumb { background: var(--border-dark); border-radius: 4px; }

/* ── LOADING ── */
.loading-spinner {
  display: flex; align-items: center; justify-content: center;
  height: 200px;
}
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── CARDS ── */
.card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 16px 20px;
  box-shadow: var(--shadow-sm);
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.card-title {
  font-size: 13px; font-weight: 600; color: var(--text);
}
.card-actions { display: flex; gap: 6px; align-items: center; }

/* ── KPI CARDS ── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.kpi-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.kpi-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.kpi-card::after {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 100%; height: 3px;
}
.kpi-card.purple::after { background: var(--primary); }
.kpi-card.green::after { background: var(--success); }
.kpi-card.danger::after { background: var(--danger); }
.kpi-card.blue::after { background: var(--info); }
.kpi-card.amber::after { background: var(--warning); }
.kpi-label { font-size: 11px; color: var(--text-muted); font-weight: 500; margin-bottom: 6px; }
.kpi-value { font-size: 22px; font-weight: 700; color: var(--text); line-height: 1.1; }
.kpi-sub { font-size: 10px; color: var(--text-muted); margin-top: 4px; }
.kpi-trend { font-size: 10px; margin-top: 4px; font-weight: 500; }
.kpi-trend.up { color: var(--success); }
.kpi-trend.down { color: var(--danger); }
.kpi-icon {
  position: absolute; right: 14px; top: 14px;
  font-size: 24px; opacity: 0.1; color: var(--text);
}

/* ── TABLES ── */
.table-wrap { overflow-x: auto; border-radius: var(--radius-md); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  background: var(--primary-bg);
  color: var(--primary-dark);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
body.lang-ar thead th { text-align: right; }
tbody tr { border-bottom: 1px solid var(--border); transition: background var(--transition); }
tbody tr:hover { background: var(--primary-bg); }
tbody td { padding: 11px 14px; color: var(--text); vertical-align: middle; }
tbody tr:last-child { border-bottom: none; }

/* ── STATUS BADGES ── */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 10px; border-radius: 20px;
  font-size: 10px; font-weight: 600;
  white-space: nowrap;
}
.badge-success { background: var(--success-bg); color: #0f6e56; }
.badge-danger  { background: var(--danger-bg);  color: #991b1b; }
.badge-warning { background: var(--warning-bg); color: #854f0b; }
.badge-info    { background: var(--info-bg);    color: #1e40af; }
.badge-purple  { background: #f4f0f9; color: var(--primary-dark); }
.badge-gray    { background: #f3f4f6; color: #4b5563; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 500;
  cursor: pointer; border: 1px solid transparent;
  transition: all var(--transition); text-decoration: none;
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary-bg); }
.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-danger  { background: var(--danger);  color: #fff; border-color: var(--danger); }
.btn-sm { padding: 5px 10px; font-size: 11px; }
.btn-icon { padding: 6px; border-radius: var(--radius-sm); }
.btn-print { background: #f3f4f6; color: var(--text); border-color: var(--border); }
.btn-print:hover { background: var(--border); }
.btn-wa { background: #25d366; color: #fff; border-color: #25d366; }
.btn-wa:hover { background: #1faa52; }
.btn-pdf { background: #dc2626; color: #fff; border-color: #dc2626; }
.btn-pdf:hover { background: #b91c1c; }

/* ── ACTION BUTTONS (per row) ── */
.action-btns { display: flex; gap: 4px; align-items: center; }
.action-btns .btn { padding: 4px 8px; font-size: 11px; }

/* ── FORMS ── */
.form-group { margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }
label { display: block; font-size: 12px; font-weight: 500; color: var(--text-muted); margin-bottom: 5px; }
label .required { color: var(--danger); }
input, select, textarea {
  width: 100%; padding: 9px 12px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 13px; color: var(--text); background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  font-family: inherit;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(138,91,165,0.12);
}
input[type="checkbox"], input[type="radio"] { width: auto; margin-right: 6px; }
textarea { resize: vertical; min-height: 80px; }
.form-hint { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.form-error { font-size: 11px; color: var(--danger); margin-top: 4px; }

/* Search Input */
.search-wrap { position: relative; }
.search-wrap input { padding-left: 36px; }
.search-wrap .search-icon {
  position: absolute; left: 10px; top: 50%;
  transform: translateY(-50%); color: var(--text-muted);
  font-size: 13px; pointer-events: none;
}
body.lang-ar .search-wrap input { padding-left: 12px; padding-right: 36px; }
body.lang-ar .search-wrap .search-icon { left: auto; right: 10px; }

/* ── MODAL ── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.modal-container {
  background: var(--white);
  border-radius: var(--radius-lg);
  width: 100%; max-width: 700px;
  max-height: 90vh; display: flex; flex-direction: column;
  box-shadow: var(--shadow-lg);
}
.modal-container.modal-lg { max-width: 960px; }
.modal-container.modal-xl { max-width: 1100px; }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 15px; font-weight: 600; color: var(--text); }
.modal-close {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 16px;
  padding: 4px; border-radius: 50%;
  transition: all var(--transition);
}
.modal-close:hover { background: var(--danger-bg); color: var(--danger); }
.modal-body { flex: 1; overflow-y: auto; padding: 20px; }
.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 8px;
}

/* ── TOAST ── */
.toast-container {
  position: fixed; top: 70px; right: 20px;
  z-index: 3000; display: flex; flex-direction: column; gap: 8px;
}
body.lang-ar .toast-container { right: auto; left: 20px; }
.toast {
  min-width: 280px; max-width: 380px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border-left: 4px solid;
  background: var(--white);
  box-shadow: var(--shadow-md);
  font-size: 13px;
  display: flex; align-items: flex-start; gap: 10px;
  animation: slideInRight 0.3s ease;
}
body.lang-ar .toast { border-left: none; border-right: 4px solid; }
@keyframes slideInRight { from { opacity: 0; transform: translateX(20px); } }
.toast-success { border-color: var(--success); }
.toast-danger  { border-color: var(--danger); }
.toast-warning { border-color: var(--warning); }
.toast-info    { border-color: var(--info); }
.toast-icon { font-size: 16px; flex-shrink: 0; }
.toast-text { flex: 1; }
.toast-title { font-weight: 600; margin-bottom: 2px; font-size: 12px; }
.toast-message { color: var(--text-muted); font-size: 11px; }

/* ── PAGE HEADER ── */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.page-header-title { font-size: 18px; font-weight: 700; color: var(--text); }
.page-header-subtitle { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.page-header-actions { display: flex; gap: 8px; align-items: center; }

/* ── GRID LAYOUT ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 1024px) { .grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .sidebar { width: 0; overflow: hidden; }
  .sidebar.mobile-open { width: var(--sidebar-width); }
  .main-wrapper { margin-left: 0 !important; }
  .form-row { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .date-filter-group { display: none; }
}

/* ── TABS ── */
.tabs { display: flex; border-bottom: 2px solid var(--border); margin-bottom: 16px; gap: 2px; }
.tab-btn {
  padding: 10px 16px; font-size: 13px; font-weight: 500;
  color: var(--text-muted); cursor: pointer;
  border: none; background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px; transition: all var(--transition);
}
.tab-btn:hover { color: var(--primary); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── PAGINATION ── */
.pagination {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0; font-size: 12px; color: var(--text-muted);
}
.page-controls { display: flex; gap: 4px; }
.page-ctrl-btn {
  padding: 5px 10px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); background: var(--white);
  cursor: pointer; font-size: 12px; color: var(--text);
  transition: all var(--transition);
}
.page-ctrl-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-ctrl-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ── CALENDAR ── */
.calendar-wrap { background: var(--white); border-radius: var(--radius-md); border: 1px solid var(--border); }
.calendar-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; border-bottom: 1px solid var(--border);
}
.calendar-title { font-size: 14px; font-weight: 600; }
.calendar-grid {
  display: grid; grid-template-columns: repeat(7, 1fr);
  gap: 1px; background: var(--border);
}
.calendar-day-header {
  background: var(--primary-bg);
  padding: 8px; text-align: center;
  font-size: 11px; font-weight: 600; color: var(--text-muted);
}
.calendar-cell {
  background: var(--white); padding: 8px; min-height: 80px;
  font-size: 11px; cursor: pointer; transition: background var(--transition);
}
.calendar-cell:hover { background: var(--primary-bg); }
.calendar-cell.today { border: 2px solid var(--primary); }
.calendar-cell .cell-date { font-weight: 600; margin-bottom: 4px; font-size: 12px; }
.calendar-appt {
  background: var(--primary-bg); color: var(--primary-dark);
  border-radius: 3px; padding: 2px 5px;
  font-size: 9px; margin-bottom: 2px; cursor: pointer;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ── ODONTOGRAM ── */
.odontogram { display: flex; flex-direction: column; gap: 8px; align-items: center; padding: 16px; }
.tooth-row { display: flex; gap: 4px; }
.tooth-cell {
  width: 36px; height: 36px; border-radius: 50%;
  border: 2px solid var(--border);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  cursor: pointer; font-size: 9px; font-weight: 600;
  transition: all var(--transition); position: relative;
}
.tooth-cell:hover { border-color: var(--primary); transform: scale(1.1); }
.tooth-cell.selected { border-color: var(--primary); background: var(--primary-bg); color: var(--primary); }
.tooth-cell.cavity { background: #fef2f2; border-color: var(--danger); color: var(--danger); }
.tooth-cell.crown { background: #fffbeb; border-color: var(--warning); color: var(--warning); }
.tooth-cell.missing { background: #f3f4f6; border-color: var(--secondary); color: var(--secondary); }
.tooth-cell.treated { background: var(--success-bg); border-color: var(--success); color: var(--success); }
.tooth-cell.implant { background: #eff6ff; border-color: var(--info); color: var(--info); }
.tooth-number { font-size: 8px; color: var(--text-muted); }

/* ── SIGNATURE PAD ── */
.signature-fullscreen {
  position: fixed; inset: 0; background: #fff; z-index: 5000;
  display: flex; flex-direction: column;
}
.signature-canvas { flex: 1; border: none; cursor: crosshair; touch-action: none; }
.signature-controls {
  padding: 16px; display: flex; justify-content: space-between;
  border-top: 1px solid var(--border); background: #f9f9f9;
}

/* ── INVOICE PRINT STYLES ── */
@media print {
  .sidebar, .topbar, .page-header-actions, .action-btns, .btn:not(.no-print) { display: none !important; }
  .main-wrapper { margin: 0 !important; }
  .content-area { padding: 0 !important; overflow: visible !important; }
  body { height: auto !important; overflow: auto !important; }
}

/* ── SCROLLBAR GLOBAL ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-dark); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--secondary); }

/* ── EMPTY STATE ── */
.empty-state {
  text-align: center; padding: 48px 20px;
  color: var(--text-muted);
}
.empty-state i { font-size: 48px; opacity: 0.3; margin-bottom: 12px; display: block; }
.empty-state h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.empty-state p { font-size: 13px; }

/* ── WHATSAPP SEND CARD ── */
.wa-send-card {
  background: #e9fbe9; border: 1px solid #25d366;
  border-radius: var(--radius-md); padding: 14px;
  display: flex; align-items: center; gap: 12px; font-size: 13px;
}
.wa-send-card i { font-size: 24px; color: #25d366; }

/* ── LOGIN PAGE ── */
.login-page {
  width: 100vw; height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background:
    linear-gradient(rgba(15,23,42,0.88), rgba(26,16,37,0.75)),
    url('https://images.unsplash.com/photo-1588776814546-1ffcf47267a5?auto=format&fit=crop&w=1400&q=80');
  background-size: cover; background-position: center;
}
.login-card {
  width: 440px; padding: 36px;
  background: rgba(255,255,255,0.10);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff; box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.login-logo { text-align: center; margin-bottom: 20px; }
.login-logo img { height: 48px; filter: brightness(10); }
.login-clinic-name { font-size: 18px; font-weight: 700; text-align: center; margin-bottom: 4px; }
.login-clinic-ar { font-family: var(--font-ar); font-size: 14px; text-align: center; opacity: 0.8; margin-bottom: 16px; }
.login-datetime { text-align: center; font-size: 12px; opacity: 0.8; margin-bottom: 20px; }
.login-datetime .live-time { color: #b08ad4; font-weight: 600; }
.login-input { margin-bottom: 14px; }
.login-input label { font-size: 12px; opacity: 0.8; margin-bottom: 5px; display: block; }
.login-input input {
  width: 100%; padding: 12px; border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(0,0,0,0.3); color: #fff;
  font-size: 13px; outline: none; transition: border-color 0.2s;
}
.login-input input:focus { border-color: var(--primary-light); }
.login-input input::placeholder { color: rgba(255,255,255,0.5); }
.login-btn {
  width: 100%; padding: 12px; border: none; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff; font-size: 14px; font-weight: 600;
  cursor: pointer; transition: all 0.2s;
}
.login-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 15px rgba(138,91,165,0.4); }
.login-footer {
  text-align: center; margin-top: 20px; font-size: 11px; opacity: 0.8; line-height: 1.8;
}
.login-footer a { color: #b08ad4; text-decoration: none; }
.login-error {
  background: rgba(226,75,74,0.3); border: 1px solid rgba(226,75,74,0.5);
  padding: 10px; border-radius: 8px; font-size: 12px; margin-bottom: 14px;
  text-align: center; display: none;
}