:root {
  --primary: #0f766e;
  --primary-light: #14b8a6;
  --primary-dark: #115e59;
  --primary-50: #f0fdfa;
  --primary-100: #ccfbf1;
  --bg: #f1f5f9;
  --sidebar-bg: #0f172a;
  --sidebar-hover: #1e293b;
  --sidebar-text: #94a3b8;
  --sidebar-active: #14b8a6;
  --card: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --danger: #ef4444;
  --danger-bg: #fef2f2;
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --success: #10b981;
  --success-bg: #ecfdf5;
  --info: #3b82f6;
  --info-bg: #eff6ff;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.06), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Segoe UI', Tahoma, 'Noto Sans Arabic', 'Tajawal', sans-serif;
  background: var(--bg);
  color: var(--text);
  direction: rtl;
  min-height: 100vh;
  line-height: 1.6;
}

/* Login */
.login-page {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f766e 100%);
  padding: 20px;
}
.login-card {
  background: var(--card); border-radius: 20px; box-shadow: 0 25px 50px rgba(0,0,0,0.25);
  padding: 48px 40px; width: 100%; max-width: 440px; text-align: center;
}
.login-logo { font-size: 48px; margin-bottom: 8px; }
.login-card h1 { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.login-card .subtitle { font-size: 13px; color: var(--text-secondary); margin-bottom: 32px; }
.login-card .form-group { margin-bottom: 20px; text-align: right; }
.login-card label { font-size: 13px; font-weight: 600; margin-bottom: 6px; display: block; }
.login-card .error { background: var(--danger-bg); color: var(--danger); padding: 10px 16px; border-radius: var(--radius-sm); font-size: 13px; margin-bottom: 16px; display: none; }

/* App Shell */
.app-shell { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: 260px; background: var(--sidebar-bg); position: fixed;
  top: 0; bottom: 0; right: 0; z-index: 100;
  display: flex; flex-direction: column;
  transition: transform 0.3s;
  overflow: hidden;
}
.sidebar-brand {
  padding: 24px 20px; border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex; align-items: center; gap: 12px;
}
.sidebar-brand .brand-icon { font-size: 32px; flex-shrink: 0; }
.sidebar-brand .brand-text strong { color: #fff; font-size: 17px; display: block; }
.sidebar-brand .brand-text small { color: var(--sidebar-text); font-size: 11px; }

.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.sidebar-section { margin-bottom: 8px; }
.sidebar-section-title {
  padding: 8px 20px 4px; font-size: 10px; text-transform: uppercase;
  letter-spacing: 1.2px; color: #475569; font-weight: 700;
}
.sidebar-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 20px; color: var(--sidebar-text);
  text-decoration: none; font-size: 14px; cursor: pointer;
  border: none; background: none; width: 100%; text-align: right;
  transition: all 0.15s; border-right: 3px solid transparent; font-family: inherit;
}
.sidebar-item:hover { background: rgba(255,255,255,0.04); color: #e2e8f0; }
.sidebar-item.active {
  background: rgba(20,184,166,0.10); color: var(--sidebar-active);
  border-right-color: var(--sidebar-active); font-weight: 600;
}
.sidebar-item .nav-icon { width: 22px; text-align: center; font-size: 16px; flex-shrink: 0; }
.sidebar-item .nav-badge {
  margin-right: auto; background: var(--sidebar-active); color: #fff;
  font-size: 10px; padding: 2px 8px; border-radius: 10px; font-weight: 600;
}
.sidebar-footer { padding: 12px 20px; border-top: 1px solid rgba(255,255,255,0.06); }

/* Main */
.main-area { margin-right: 260px; flex: 1; display: flex; flex-direction: column; }
.topbar {
  background: var(--card); border-bottom: 1px solid var(--border);
  padding: 16px 32px; display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 50; gap: 16px;
}
.topbar h2 { font-size: 20px; font-weight: 700; }
.topbar-actions { display: flex; gap: 12px; align-items: center; }
.topbar .status-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.topbar .status-dot.online { background: var(--success); }
.topbar .status-dot.offline { background: var(--danger); }
.mobile-toggle { display: none; background: none; border: none; color: var(--text); font-size: 22px; cursor: pointer; }

.content { padding: 32px; flex: 1; max-width: 1440px; }
.view-panel { display: none; }
.view-panel.active { display: block; animation: fadeSlide 0.25s ease; }

@keyframes fadeSlide { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* Cards */
.card {
  background: var(--card); border-radius: var(--radius);
  box-shadow: var(--shadow); border: 1px solid var(--border);
  margin-bottom: 24px;
}
.card-header {
  padding: 18px 24px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.card-header h3 { font-size: 16px; font-weight: 700; }
.card-body { padding: 24px; }
.card-body.no-pad { padding: 0; }

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px; margin-bottom: 32px;
}
.stat-card {
  background: var(--card); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow); border: 1px solid var(--border);
  transition: transform 0.15s, box-shadow 0.15s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stat-card .stat-icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 12px;
}
.stat-card .stat-value { font-size: 30px; font-weight: 800; color: var(--text); }
.stat-card .stat-label { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }
.stat-card .stat-link { font-size: 12px; color: var(--primary); margin-top: 6px; cursor: pointer; }

/* Two Column */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 20px; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 600; cursor: pointer;
  border: 1px solid transparent; transition: all 0.15s;
  font-family: inherit; white-space: nowrap; text-decoration: none;
}
.btn-xs { padding: 4px 10px; font-size: 11px; }
.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn-lg { padding: 12px 28px; font-size: 15px; }
.btn-block { display: flex; width: 100%; justify-content: center; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); box-shadow: var(--shadow-md); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #059669; }
.btn-danger { background: #fff; color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger-bg); }
.btn-outline { background: #fff; color: var(--text); border-color: var(--border); }
.btn-outline:hover { background: var(--bg); }
.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--bg); }
.btn-icon { width: 36px; height: 36px; padding: 0; justify-content: center; border-radius: var(--radius-sm); }
.btn-group { display: flex; gap: 6px; align-items: center; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  background: #f8fafc; padding: 12px 16px; text-align: right;
  font-weight: 600; color: var(--text-secondary); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
td { padding: 12px 16px; border-bottom: 1px solid #f1f5f9; vertical-align: middle; }
tr:hover td { background: #f8fafc; }

/* Badges */
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 600; white-space: nowrap;
}
.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-neutral { background: #f1f5f9; color: #475569; }
.badge-primary { background: var(--primary-100); color: var(--primary-dark); }

/* Forms */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-size: 13px; font-weight: 600;
  margin-bottom: 6px; color: var(--text);
}
.form-group .hint { font-size: 11px; color: var(--text-muted); margin-top: 3px; }
.form-row {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
input[type="text"], input[type="number"], input[type="date"], input[type="url"],
input[type="email"], input[type="password"], input[type="search"],
select, textarea {
  width: 100%; padding: 10px 14px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-size: 14px; font-family: inherit;
  color: var(--text); background: #fff; transition: all 0.15s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(20,184,166,0.1);
}
textarea { min-height: 80px; resize: vertical; }
.checkbox-wrap { display: flex; align-items: center; gap: 8px; }
.checkbox-wrap input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--primary); }

/* Empty State */
.empty-state {
  text-align: center; padding: 60px 20px; color: var(--text-secondary);
}
.empty-state .empty-icon { font-size: 48px; margin-bottom: 16px; opacity: 0.5; }
.empty-state h4 { font-size: 16px; margin-bottom: 8px; color: var(--text); }
.empty-state p { font-size: 13px; margin-bottom: 20px; }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(15,23,42,0.5);
  z-index: 200; display: flex; align-items: center; justify-content: center;
  animation: fadeIn 0.2s; backdrop-filter: blur(2px);
}
.modal {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg);
  width: 92%; max-width: 900px; max-height: 85vh; display: flex; flex-direction: column;
  animation: slideUp 0.25s;
}
.modal-header {
  padding: 20px 24px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-header h3 { font-size: 17px; font-weight: 700; }
.modal-body { padding: 24px; overflow-y: auto; flex: 1; }
.modal-footer {
  padding: 16px 24px; border-top: 1px solid var(--border);
  display: flex; gap: 12px; justify-content: flex-end;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* Tabs */
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 24px; }
.tab-btn {
  padding: 12px 24px; border: none; background: none;
  font-size: 14px; font-weight: 600; color: var(--text-secondary);
  cursor: pointer; border-bottom: 2px solid transparent;
  margin-bottom: -2px; transition: all 0.15s; font-family: inherit;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Preview Frame */
.preview-frame {
  width: 100%; height: 600px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); background: #fff;
}

/* Info Grid */
.info-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.info-item { padding: 14px; background: #f8fafc; border-radius: var(--radius-sm); }
.info-item .info-label { font-size: 11px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.info-item .info-value { font-size: 14px; font-weight: 600; word-break: break-all; }
.info-item .info-value a { color: var(--primary); text-decoration: none; }
.info-item .info-value a:hover { text-decoration: underline; }

/* Toast */
.toast-container { position: fixed; bottom: 24px; left: 24px; z-index: 400; display: flex; flex-direction: column; gap: 8px; }
.toast {
  padding: 14px 20px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 600;
  color: #fff; box-shadow: var(--shadow-lg); animation: slideUp 0.3s;
  min-width: 280px;
}
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }

/* Spinner */
.spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid rgba(255,255,255,0.3); border-top-color: #fff; border-radius: 50%; animation: spin 0.6s linear infinite; vertical-align: middle; margin-left: 6px; }
.spinner-dark { border-color: rgba(0,0,0,0.1); border-top-color: var(--primary); }

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

/* Code inline */
.inline-code { background: #f1f5f9; padding: 2px 8px; border-radius: 4px; font-family: 'SF Mono', 'Cascadia Code', monospace; font-size: 12px; color: var(--primary-dark); }

/* File Upload */
.file-upload-zone {
  border: 2px dashed var(--border); border-radius: var(--radius);
  padding: 32px; text-align: center; cursor: pointer;
  transition: all 0.2s; background: #fafafa;
}
.file-upload-zone:hover { border-color: var(--primary-light); background: var(--primary-50); }
.file-upload-zone .upload-icon { font-size: 36px; opacity: 0.4; margin-bottom: 8px; }
.file-upload-zone .upload-text { font-size: 13px; color: var(--text-secondary); }
.file-upload-zone .upload-text strong { color: var(--primary); }
.file-preview { margin-top: 12px; text-align: center; }
.file-preview img { max-width: 150px; max-height: 150px; border-radius: var(--radius-sm); border: 1px solid var(--border); }

/* Wizard Steps */
.wizard-steps {
  display: flex; gap: 0; margin-bottom: 32px;
  background: var(--card); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border);
}
.wizard-step {
  flex: 1; padding: 16px 20px; text-align: center;
  font-size: 13px; font-weight: 600; color: var(--text-muted);
  position: relative; cursor: default; transition: all 0.2s;
  background: #fafafa;
}
.wizard-step:not(:last-child)::after {
  content: ''; position: absolute; top: 50%; left: 0;
  width: 20px; height: 20px; background: inherit;
  transform: translate(50%, -50%) rotate(45deg);
  border-right: 1px solid var(--border);
  border-top: 1px solid var(--border);
  z-index: 1;
}
.wizard-step.done { background: var(--primary-50); color: var(--primary); }
.wizard-step.done::after { background: var(--primary-50); }
.wizard-step.active { background: var(--primary); color: #fff; }
.wizard-step.active::after { background: var(--primary); border-color: var(--primary); }
.wizard-step .step-num { font-size: 20px; font-weight: 800; display: block; margin-bottom: 2px; }

/* Search Bar */
.search-bar {
  display: flex; gap: 12px; margin-bottom: 20px; align-items: center; flex-wrap: wrap;
}
.search-bar input { max-width: 300px; }
.search-bar select { max-width: 200px; }

/* Section Divider */
.section-title {
  font-size: 15px; font-weight: 700; margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}

/* Responsive */
@media (max-width: 1024px) {
  .two-col { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .sidebar { transform: translateX(100%); }
  .sidebar.open { transform: translateX(0); }
  .main-area { margin-right: 0; }
  .mobile-toggle { display: block; }
  .content { padding: 16px; }
  .topbar { padding: 12px 16px; }
  .form-row { grid-template-columns: 1fr; }
  .wizard-steps { flex-direction: column; }
  .wizard-step::after { display: none; }
  .search-bar { flex-direction: column; }
  .search-bar input, .search-bar select { max-width: 100%; }
  .info-grid { grid-template-columns: 1fr; }
  .modal { width: 96%; max-height: 90vh; }
}