/* Construction Site Management System - Clean, Simplified & User-Friendly Design */
/* Strictly NO emojis in design or typography */

:root {
  --primary: #1e40af;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-text: #1e3a8a;
  
  --secondary: #475569;
  --secondary-light: #f1f5f9;
  
  --success: #059669;
  --success-light: #ecfdf5;
  --success-text: #065f46;
  
  --warning: #d97706;
  --warning-light: #fffbeb;
  --warning-text: #92400e;
  
  --danger: #dc2626;
  --danger-light: #fef2f2;
  --danger-text: #991b1b;
  
  --info: #0284c7;
  --info-light: #f0f9ff;
  --info-text: #075985;

  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-sidebar: #0f172a;
  --bg-sidebar-hover: #1e293b;
  --sidebar-text: #94a3b8;
  --sidebar-text-active: #ffffff;

  --border-color: #e2e8f0;
  --border-focus: #3b82f6;

  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

  --sidebar-width: 260px;
  --header-height: 64px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.5;
  font-size: 14px;
  min-height: 100vh;
}

/* Layout */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.app-sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: transform 0.2s ease;
  overflow-y: auto;
}

.sidebar-header {
  padding: 20px 18px;
  border-bottom: 1px solid #1e293b;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-badge {
  background-color: #2563eb;
  color: #ffffff;
  font-weight: 700;
  font-size: 14px;
  padding: 6px 10px;
  border-radius: var(--radius-md);
  letter-spacing: 0.5px;
}

.brand-title {
  color: #ffffff;
  font-weight: 600;
  font-size: 16px;
  line-height: 1.2;
}

.brand-subtitle {
  color: #64748b;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sidebar-menu {
  padding: 16px 10px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
}

.menu-category {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: #475569;
  letter-spacing: 0.8px;
  padding: 12px 12px 6px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  color: var(--sidebar-text);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 13.5px;
  transition: all 0.15s ease;
}

.nav-link:hover {
  background-color: var(--bg-sidebar-hover);
  color: var(--sidebar-text-active);
}

.nav-link.active {
  background-color: #2563eb;
  color: #ffffff;
  font-weight: 600;
}

.nav-link .nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.85;
}

.nav-link.active .nav-icon {
  opacity: 1;
}

.nav-badge {
  margin-left: auto;
  background-color: #ef4444;
  color: #ffffff;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 9999px;
}

/* Main Area */
.app-main {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Topbar */
.app-topbar {
  height: var(--header-height);
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 90;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--secondary);
  padding: 6px;
}

.page-breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-breadcrumb strong {
  color: var(--text-main);
  font-weight: 600;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Role Demo Switcher */
.role-switcher {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: #f1f5f9;
  padding: 4px 10px;
  border-radius: var(--radius-md);
  border: 1px solid #e2e8f0;
}

.role-switcher label {
  font-size: 11.5px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}

.role-select {
  border: none;
  background: transparent;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  outline: none;
}

.btn-icon {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--secondary);
  position: relative;
  transition: background 0.15s;
}

.btn-icon:hover {
  background-color: #f1f5f9;
  color: var(--text-main);
}

.badge-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  background-color: var(--danger);
  border-radius: 50%;
  border: 2px solid #ffffff;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
}

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background-color: #e2e8f0;
  color: #1e3a8a;
  font-weight: 600;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-info {
  line-height: 1.2;
}

.user-name {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-main);
}

.user-role {
  font-size: 11px;
  color: var(--text-muted);
}

/* Page Body */
.page-content {
  padding: 24px;
  flex: 1;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.3px;
}

.page-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 3px;
}

.page-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* Cards */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #ffffff;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
}

.card-body {
  padding: 20px;
}

.card-footer {
  padding: 12px 20px;
  background-color: #f8fafc;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.stat-content {
  display: flex;
  flex-direction: column;
}

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

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-main);
  margin: 4px 0 2px;
}

.stat-subtext {
  font-size: 12px;
  color: var(--text-muted);
}

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-light);
  color: var(--primary);
}

.stat-icon.green {
  background-color: var(--success-light);
  color: var(--success);
}

.stat-icon.amber {
  background-color: var(--warning-light);
  color: var(--warning);
}

.stat-icon.red {
  background-color: var(--danger-light);
  color: var(--danger);
}

.stat-icon.cyan {
  background-color: var(--info-light);
  color: var(--info);
}

/* Grids */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 1024px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: 13.5px;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  line-height: 1.4;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

.btn-lg {
  padding: 11px 20px;
  font-size: 15px;
  font-weight: 600;
}

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

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

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

.btn-secondary:hover {
  background-color: #f1f5f9;
  color: var(--text-main);
}

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

.btn-success:hover {
  background-color: #047857;
}

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

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

.btn-warning {
  background-color: var(--warning);
  color: #ffffff;
  border-color: var(--warning);
}

.btn-warning:hover {
  background-color: #b45309;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  font-size: 11.5px;
  font-weight: 600;
  border-radius: var(--radius-md);
  letter-spacing: 0.2px;
  line-height: 1.2;
}

.badge-primary {
  background-color: var(--primary-light);
  color: var(--primary-text);
  border: 1px solid #bfdbfe;
}

.badge-success {
  background-color: var(--success-light);
  color: var(--success-text);
  border: 1px solid #a7f3d0;
}

.badge-warning {
  background-color: var(--warning-light);
  color: var(--warning-text);
  border: 1px solid #fde68a;
}

.badge-danger {
  background-color: var(--danger-light);
  color: var(--danger-text);
  border: 1px solid #fecaca;
}

.badge-info {
  background-color: var(--info-light);
  color: var(--info-text);
  border: 1px solid #bae6fd;
}

.badge-secondary {
  background-color: var(--secondary-light);
  color: var(--secondary);
  border: 1px solid #cbd5e1;
}

/* Data Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13.5px;
}

.data-table th {
  background-color: #f8fafc;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  vertical-align: middle;
}

.data-table tr:hover td {
  background-color: #f8fafc;
}

.data-table tr:last-child td {
  border-bottom: none;
}

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

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

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

.form-label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.form-label.required::after {
  content: " *";
  color: var(--danger);
}

.form-control, .form-select {
  width: 100%;
  padding: 9px 12px;
  font-size: 13.5px;
  color: var(--text-main);
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  font-family: inherit;
}

.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

textarea.form-control {
  min-height: 80px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.form-help {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Progress Bars */
.progress {
  height: 8px;
  background-color: #e2e8f0;
  border-radius: 9999px;
  overflow: hidden;
  display: flex;
}

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

.progress-bar.success {
  background-color: var(--success);
}

.progress-bar.warning {
  background-color: var(--warning);
}

.progress-bar.danger {
  background-color: var(--danger);
}

/* Filter Bar */
.filter-bar {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.search-input-wrap {
  position: relative;
  min-width: 240px;
}

.search-input-wrap .form-control {
  padding-left: 36px;
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  pointer-events: none;
}

/* Flash Messages */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13.5px;
  border-width: 1px;
  border-style: solid;
}

.alert-success {
  background-color: var(--success-light);
  color: var(--success-text);
  border-color: #a7f3d0;
}

.alert-danger {
  background-color: var(--danger-light);
  color: var(--danger-text);
  border-color: #fecaca;
}

.alert-warning {
  background-color: var(--warning-light);
  color: var(--warning-text);
  border-color: #fde68a;
}

.alert-info {
  background-color: var(--info-light);
  color: var(--info-text);
  border-color: #bae6fd;
}

/* Modals */
.modal-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(2px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.show {
  display: flex;
}

.modal-dialog {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.modal-dialog.lg {
  max-width: 800px;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-color);
  background-color: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

/* Tabs */
.tab-nav {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
  gap: 8px;
}

.tab-btn {
  padding: 10px 16px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 13.5px;
  cursor: pointer;
  transition: all 0.15s;
}

.tab-btn:hover {
  color: var(--text-main);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Photo Gallery Grid */
.photo-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.photo-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.photo-thumb-wrap {
  width: 100%;
  height: 180px;
  background-color: #e2e8f0;
  position: relative;
  overflow: hidden;
}

.photo-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.2s;
}

.photo-thumb:hover {
  transform: scale(1.03);
}

.photo-info {
  padding: 14px 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.photo-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
}

.photo-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.photo-desc {
  font-size: 12.5px;
  color: var(--secondary);
  line-height: 1.4;
  margin-top: auto;
}

/* Print Styles */
@media print {
  .app-sidebar, .app-topbar, .filter-bar, .page-actions, .btn, .role-switcher {
    display: none !important;
  }
  .app-main {
    margin-left: 0 !important;
    width: 100% !important;
  }
  .page-content {
    padding: 0 !important;
  }
  .card {
    border: 1px solid #000 !important;
    box-shadow: none !important;
  }
  body {
    background-color: #ffffff !important;
    color: #000000 !important;
  }
}

/* Responsive */
@media (max-width: 900px) {
  .app-sidebar {
    transform: translateX(-100%);
  }
  .app-sidebar.open {
    transform: translateX(0);
  }
  .app-main {
    margin-left: 0;
  }
  .mobile-toggle {
    display: inline-flex;
  }
  .topbar-right .role-switcher label {
    display: none;
  }
}