/* ============================================
   AWAN (أوان) DASHBOARD — DESIGN SYSTEM
   Modern, premium Arabic-first RTL dashboard
   Fonts are loaded via <link> in index.html
   ============================================ */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
  /* Colors — Cool slate + vibrant accent */
  --bg-primary: #0f1117;
  --bg-secondary: #1a1d27;
  --bg-card: #1e2130;
  --bg-hover: #252838;
  --bg-input: #252838;

  --border-color: #2d3044;
  --border-light: #3a3d52;

  --text-primary: #e8eaed;
  --text-secondary: #9ba1b0;
  --text-muted: #6b7185;
  --text-inverse: #0f1117;

  /* Accent colors */
  --accent: #6c5ce7;
  --accent-hover: #7e6ff0;
  --accent-light: rgba(108, 92, 231, 0.15);
  --accent-glow: rgba(108, 92, 231, 0.3);

  /* Status colors */
  --success: #00cec9;
  --success-bg: rgba(0, 206, 201, 0.12);
  --warning: #fdcb6e;
  --warning-bg: rgba(253, 203, 110, 0.12);
  --danger: #ff6b6b;
  --danger-bg: rgba(255, 107, 107, 0.12);
  --info: #74b9ff;
  --info-bg: rgba(116, 185, 255, 0.12);

  /* Sizing */
  --sidebar-width: 260px;
  --header-height: 64px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px var(--accent-glow);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  direction: rtl;
  font-size: 14px;
}

body {
  font-family: 'Tajawal', 'Inter', 'Segoe UI', Tahoma, Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover { color: var(--accent-hover); }

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f1117 0%, #1a1d27 50%, #0f1117 100%);
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  top: -100px;
  inset-inline-start: -100px;
  animation: float 8s ease-in-out infinite;
}

.login-page::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 206, 201, 0.15), transparent 70%);
  bottom: -100px;
  inset-inline-end: -100px;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-lg);
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo h1 {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--success));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-logo p {
  color: var(--text-secondary);
  margin-top: 8px;
  font-size: 0.95rem;
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-fast);
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #8b7cf0);
  color: white;
  box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--border-color);
}

.btn-success { background: var(--success); color: var(--text-inverse); }
.btn-danger { background: var(--danger); color: white; }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* ============================================
   LAYOUT — SIDEBAR + MAIN
   ============================================ */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-inline-end: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  inset-inline-start: 0;
  bottom: 0;
  z-index: 100;
  transition: transform var(--transition-normal);
}

.sidebar-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
  font-size: 1.3rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--success));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-header .business-name {
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-top: 4px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: 4px;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent-light);
  color: var(--accent);
}

.nav-item .icon {
  font-size: 1.2rem;
  width: 24px;
  text-align: center;
}

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--accent);
  font-size: 0.9rem;
}

.user-details { flex: 1; }
.user-details .name { font-weight: 600; font-size: 0.85rem; }
.user-details .role { color: var(--text-muted); font-size: 0.75rem; }

/* MAIN CONTENT */
.main-content {
  flex: 1;
  margin-inline-start: var(--sidebar-width);
  min-height: 100vh;
}

.main-header {
  height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.page-title {
  font-size: 1.2rem;
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.main-body {
  padding: 24px 32px;
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition-fast);
}

.card:hover {
  border-color: var(--border-light);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* STAT CARDS */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  inset-inline-start: 0;
  width: 4px;
  height: 100%;
  border-start-start-radius: var(--radius-lg);
  border-end-start-radius: var(--radius-lg);
}

.stat-card.purple::before { background: var(--accent); }
.stat-card.teal::before { background: var(--success); }
.stat-card.orange::before { background: var(--warning); }
.stat-card.red::before { background: var(--danger); }

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 500;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
}

.stat-change {
  font-size: 0.75rem;
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-change.positive { color: var(--success); }
.stat-change.negative { color: var(--danger); }

/* ============================================
   TABLES
   ============================================ */
.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  text-align: start;
  padding: 12px 16px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
}

td {
  padding: 14px 16px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

tr:hover td {
  background: var(--bg-hover);
}

/* Status badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-confirmed { background: var(--success-bg); color: var(--success); }
.badge-hold { background: var(--warning-bg); color: var(--warning); }
.badge-cancelled { background: var(--danger-bg); color: var(--danger); }
.badge-completed { background: var(--info-bg); color: var(--info); }
.badge-no_show { background: var(--danger-bg); color: var(--danger); }

/* ============================================
   MODALS
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 32px;
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.modal-header h3 {
  font-size: 1.15rem;
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-hover);
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--danger-bg);
  color: var(--danger);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
  position: fixed;
  top: 20px;
  inset-inline-start: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  min-width: 300px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
  border-inline-start: 3px solid var(--accent);
}

.toast.success { border-inline-start-color: var(--success); }
.toast.error { border-inline-start-color: var(--danger); }
.toast.warning { border-inline-start-color: var(--warning); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ============================================
   LOADING STATES
   ============================================ */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  color: var(--text-muted);
  gap: 12px;
}

.skeleton {
  background: linear-gradient(90deg, var(--bg-hover) 25%, var(--border-color) 50%, var(--bg-hover) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ============================================
   CHART PLACEHOLDER
   ============================================ */
.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 120px;
  padding-top: 16px;
}

.chart-bar {
  flex: 1;
  background: linear-gradient(to top, var(--accent), var(--accent-hover));
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  min-height: 4px;
  transition: height var(--transition-slow);
  position: relative;
}

.chart-bar:hover {
  opacity: 0.8;
}

.chart-bar .chart-label {
  position: absolute;
  bottom: -24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}

.empty-state .icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-content {
    margin-inline-start: 0;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .main-body {
    padding: 16px;
  }
}

/* ============================================
   PAGE VISIBILITY
   ============================================ */
.page { display: none; }
.page.active { display: block; }

/* ============================================
   MISC UTILITIES
   ============================================ */
.flex { display: flex; }
.items-center { align-items: center; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.85rem; }
.font-mono {
  font-family: 'Courier New', monospace;
  direction: ltr;
  unicode-bidi: isolate;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Latin-script inputs (email, English names, phone numbers) stay LTR inside the RTL page */
input[dir="ltr"],
textarea[dir="ltr"] {
  text-align: left;
}