/**
 * Unified TrioSys Application - Main Stylesheet
 * Mobile-first, fully responsive design
 */

:root {
  --bg: #fafafb;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --line: #e5e7eb;
  --brand: #0f172a;
  --primary: #2563eb;
  --accent: #2563eb;
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #f59e0b;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans Arabic", Tahoma, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  width: 100%;
  overflow-x: hidden;
  position: relative;
}

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

/* Top Bar */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  z-index: 300;
  box-shadow: var(--shadow);
  height: 60px;
  box-sizing: border-box;
}

.brand {
  font-weight: 800;
  font-size: 18px;
  color: var(--brand);
  display: flex;
  align-items: center;
  gap: 8px;
}

.menu-toggle {
  display: block;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--text);
  font-size: 20px;
}

.menu-toggle svg {
  display: block;
  width: 24px;
  height: 24px;
}

.stats-bar {
  display: none;
  gap: 12px;
  flex-wrap: wrap;
}

.stat-badge {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

.stat-badge strong {
  color: var(--text);
  font-weight: 700;
}

/* App Container */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 60px);
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 60px;
  left: 0;
  width: 260px;
  height: calc(100vh - 60px);
  background: var(--card);
  border-right: 1px solid var(--line);
  padding: 16px;
  overflow-y: auto;
  z-index: 200;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-lg);
}

.sidebar.open {
  transform: translateX(0);
}

.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 150;
  display: none;
}

.sidebar-overlay.active {
  display: block;
}

.sidebar-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-nav li {
  margin: 0 0 4px 0;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text);
  transition: background 0.2s;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  font-weight: 600;
}

.sidebar-nav svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Main Content */
.main-content {
  padding: 16px;
  width: 100%;
  padding-top: 16px; /* Will be adjusted by mobile media query */
  padding-bottom: 80px;
  margin-left: 0;
  margin-top: 0;
  transition: margin-left 0.3s ease;
  min-height: calc(100vh - 60px);
  box-sizing: border-box;
}

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}

.card h2, .card h3 {
  margin: 0 0 12px 0;
  font-size: 18px;
  font-weight: 700;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
}

.stat-card .value {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  margin: 8px 0;
}

.stat-card .label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 6px;
}

small.muted {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
  line-height: 1.4;
}

input[type="text"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="email"],
input[type="tel"],
input[type="search"],
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: #1d4ed8;
}

.btn-secondary {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--line);
}

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

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-danger:hover {
  background: #b91c1c;
}

.btn-success {
  background: var(--success);
  color: #fff;
}

.btn-success:hover {
  background: #15803d;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table th,
.table td {
  padding: 10px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.table th {
  background: var(--bg);
  font-weight: 600;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@media (min-width: 1024px) {
  .table-responsive {
    overflow-x: visible;
  }
  
  /* Ensure content doesn't overflow on large screens */
  .main-content > * {
    max-width: 100%;
  }
  
  /* Better grid layouts for large screens */
  .stats-grid {
    max-width: 100%;
  }
}

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: var(--bg);
  border: 1px solid var(--line);
}

.badge-success {
  background: #d1fae5;
  color: #065f46;
  border-color: #a7f3d0;
}

.badge-warning {
  background: #fef3c7;
  color: #92400e;
  border-color: #fde68a;
}

.badge-danger {
  background: #fee2e2;
  color: #991b1b;
  border-color: #fecaca;
}

.badge-info {
  background: #dbeafe;
  color: #1e40af;
  border-color: #bfdbfe;
}

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  border: 1px solid;
}

.alert-success {
  background: #ecfdf5;
  border-color: #a7f3d0;
  color: #065f46;
}

.alert-error {
  background: #fef2f2;
  border-color: #fecaca;
  color: #991b1b;
}

.alert-info {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: #1e40af;
}

/* Progress Bar */
.progress {
  height: 8px;
  background: var(--bg);
  border-radius: 999px;
  overflow: hidden;
  margin: 8px 0;
}

.progress-bar {
  height: 100%;
  background: var(--primary);
  transition: width 0.3s;
}

/* Utilities */
.muted {
  color: var(--muted);
  font-size: 13px;
}

.text-center {
  text-align: center;
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }

.hidden {
  display: none !important;
}

/* Tablet and up: Show sidebar, hide hamburger */
@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
  
  .app-container {
    flex-direction: row;
    margin-top: 60px;
  }
  
  .sidebar {
    position: fixed;
    top: 60px;
    width: 260px;
    height: calc(100vh - 60px);
    transform: translateX(0);
    box-shadow: none;
  }
  
  .sidebar-overlay {
    display: none !important;
  }
  
  .main-content {
    margin-left: 260px;
    padding: 20px;
    max-width: calc(100% - 260px);
    padding-top: 20px; /* On desktop, topbar is accounted for by margin-top on app-container */
    width: calc(100% - 260px);
    box-sizing: border-box;
    margin-top: 0;
  }
  
  .stats-bar {
    display: flex;
  }
  
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  /* Better spacing for cards on tablet */
  .card {
    margin-bottom: 20px;
  }
}

/* Large screens (1024px+) */
@media (min-width: 1024px) {
  .main-content {
    padding: 24px;
    max-width: calc(100% - 260px);
  }
  
  .form-row {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .card {
    padding: 20px;
  }
  
  .table {
    font-size: 15px;
  }
  
  .table th,
  .table td {
    padding: 12px 16px;
  }
}

/* Extra large screens (1440px+) */
@media (min-width: 1440px) {
  .sidebar {
    width: 280px;
  }
  
  .main-content {
    margin-left: 280px;
    max-width: calc(100% - 280px);
    width: calc(100% - 280px);
    padding: 32px;
    box-sizing: border-box;
  }
  
  .card {
    padding: 24px;
  }
  
  .stats-grid {
    gap: 20px;
  }
  
  .stat-card {
    padding: 24px;
  }
  
  .stat-card .value {
    font-size: 36px;
  }
  
  h1 {
    font-size: 32px;
  }
  
  .card h2, .card h3 {
    font-size: 22px;
  }
}

/* Ultra wide screens (1920px+) */
@media (min-width: 1920px) {
  .main-content {
    max-width: calc(100% - 280px);
    padding: 32px;
  }
  
  .card {
    padding: 28px;
  }
  
  .table th,
  .table td {
    padding: 16px 20px;
  }
}

/* Mobile screens - ensure proper spacing from topbar */
@media (max-width: 767px) {
  .app-container {
    margin-top: 0; /* No margin needed on mobile - padding handles spacing */
  }
  
  .main-content {
    padding-top: 76px; /* Space for fixed topbar (60px) + gap (16px) */
    margin-top: 0;
  }
}

/* Small mobile screens */
@media (max-width: 360px) {
  .main-content {
    padding: 12px;
    padding-top: 76px; /* Space for fixed topbar (60px) + gap (16px) */
  }
  
  .card {
    padding: 12px;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .btn-group {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
  
  h1 {
    font-size: 20px;
  }
  
  .card h2, .card h3 {
    font-size: 16px;
  }
}

/* Enhanced responsive design for forms */
@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr !important;
  }
  
  input[type="text"],
  input[type="number"],
  input[type="date"],
  input[type="time"],
  input[type="email"],
  input[type="tel"],
  input[type="search"],
  select,
  textarea {
    font-size: 16px; /* Prevents zoom on iOS */
  }
  
  .table-responsive {
    font-size: 12px;
  }
  
  .table th,
  .table td {
    padding: 8px 6px;
  }
}

/* Better spacing for medium screens */
@media (min-width: 481px) and (max-width: 767px) {
  .main-content {
    padding: 16px;
    padding-top: 76px;
  }
  
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Calendar grid */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.calendar-day {
  min-height: 100px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  font-size: 12px;
}

.calendar-day.other-month {
  opacity: 0.5;
  background: var(--bg);
}

.calendar-day-number {
  font-weight: 600;
  margin-bottom: 4px;
}

.calendar-event {
  font-size: 10px;
  padding: 4px;
  background: #dbeafe;
  border-radius: 4px;
  margin-bottom: 4px;
}

.calendar-event.meeting {
  background: #fef3c7;
}

/* Print styles */
@media print {
  .topbar,
  .sidebar,
  .menu-toggle,
  .btn,
  .page-title-mobile {
    display: none !important;
  }
  
  .main-content {
    padding: 0;
    max-width: none;
    margin: 0;
  }
  
  /* Show h1 in print mode even if hidden on mobile */
  .main-content > h1:first-of-type {
    display: block !important;
  }
  
  /* Remove scrollbars and ensure full content display for scripts */
  textarea {
    display: none !important;
  }
  
  .card {
    overflow: visible !important;
    height: auto !important;
    max-height: none !important;
    page-break-inside: avoid;
  }
  
  form {
    display: none !important;
  }
  
  * {
    overflow: visible !important;
    max-height: none !important;
  }
  
  /* Ensure script content displays fully */
  [style*="overflow"] {
    overflow: visible !important;
  }
}