/* CSS Styling for School Document Submission Web Application */

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

:root {
  /* Light Theme Variables (Default) */
  --bg-primary: hsl(210, 30%, 98%);
  --bg-secondary: hsl(0, 0%, 100%);
  --bg-tertiary: hsl(210, 20%, 94%);
  --text-primary: hsl(220, 20%, 15%);
  --text-secondary: hsl(220, 10%, 45%);
  --border-color: hsl(210, 15%, 88%);
  
  --primary: hsl(220, 90%, 56%);
  --primary-hover: hsl(220, 90%, 62%);
  --primary-light: hsl(220, 90%, 95%);
  
  --success: hsl(142, 70%, 45%);
  --success-light: hsl(142, 70%, 93%);
  --warning: hsl(38, 92%, 50%);
  --warning-light: hsl(38, 92%, 93%);
  --danger: hsl(0, 84%, 60%);
  --danger-light: hsl(0, 84%, 94%);
  
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.4);
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.02);
  --modal-backdrop: rgba(15, 23, 42, 0.3);
  
  --font-family: 'Prompt', 'Inter', sans-serif;
  --sidebar-width: 260px;
  --header-height: 70px;
  --border-radius: 16px;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  /* Dark Theme Variables */
  --bg-primary: hsl(222, 47%, 9%);
  --bg-secondary: hsl(223, 47%, 14%);
  --bg-tertiary: hsl(224, 40%, 18%);
  --text-primary: hsl(210, 40%, 98%);
  --text-secondary: hsl(215, 20%, 65%);
  --border-color: hsl(222, 25%, 22%);
  
  --primary: hsl(217, 91%, 60%);
  --primary-hover: hsl(217, 91%, 66%);
  --primary-light: rgba(59, 130, 246, 0.1);
  
  --success: hsl(142, 70%, 45%);
  --success-light: rgba(16, 185, 129, 0.1);
  --warning: hsl(38, 92%, 50%);
  --warning-light: rgba(245, 158, 11, 0.1);
  --danger: hsl(0, 84%, 60%);
  --danger-light: rgba(239, 68, 68, 0.1);
  
  --glass-bg: rgba(15, 23, 42, 0.65);
  --glass-border: rgba(255, 255, 255, 0.05);
  --card-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.3), 0 1px 5px rgba(0, 0, 0, 0.2);
  --modal-backdrop: rgba(0, 0, 0, 0.6);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* Authentication Layout */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  background: radial-gradient(circle at 10% 20%, var(--primary-light) 0%, transparent 40%),
              radial-gradient(circle at 90% 80%, rgba(16, 185, 129, 0.08) 0%, transparent 40%);
}

.auth-card {
  width: 100%;
  max-width: 450px;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 40px;
  box-shadow: var(--card-shadow);
  animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.auth-header {
  text-align: center;
  margin-bottom: 30px;
}

.auth-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 100%);
  border-radius: 16px;
  color: white;
  margin-bottom: 16px;
  box-shadow: 0 8px 16px rgba(37, 99, 235, 0.2);
}

.auth-logo svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

.auth-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}

.auth-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1.5px solid var(--border-color);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 14px;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 12px;
  font-family: var(--font-family);
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.25);
  background: var(--primary-hover);
}

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

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

.btn-success {
  background-color: var(--success);
  color: white;
}
.btn-success:hover {
  background-color: hsl(142, 70%, 40%);
}

.btn-danger {
  background-color: var(--danger);
  color: white;
}
.btn-danger:hover {
  background-color: hsl(0, 84%, 55%);
}

.btn-block {
  width: 100%;
}

.quick-login-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 24px 0;
  font-size: 12px;
  color: var(--text-secondary);
}

.quick-login-divider::before, .quick-login-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border-color);
}

.quick-login-divider:not(:empty)::before { margin-right: .5em; }
.quick-login-divider:not(:empty)::after { margin-left: .5em; }

.quick-login-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.btn-quick-login {
  padding: 8px;
  border-radius: 10px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 12px;
  font-family: var(--font-family);
  cursor: pointer;
  transition: var(--transition-smooth);
}

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

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

/* Sidebar Styling */
.app-sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: var(--transition-smooth);
}

.sidebar-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 24px;
  border-bottom: 1px solid var(--border-color);
  gap: 12px;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 100%);
  border-radius: 10px;
  color: white;
}

.sidebar-brand {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.sidebar-menu {
  padding: 24px 16px;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-grow: 1;
}

.menu-item a {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border-radius: 12px;
  transition: var(--transition-smooth);
  gap: 12px;
}

.menu-item a svg {
  width: 20px;
  height: 20px;
}

.menu-item.active a, .menu-item a:hover {
  background-color: var(--primary-light);
  color: var(--primary);
}

.sidebar-footer {
  padding: 20px 16px;
  border-top: 1px solid var(--border-color);
}

.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
  border-radius: 12px;
  background-color: var(--bg-tertiary);
  margin-bottom: 12px;
}

.profile-avatar {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background-color: var(--primary-light);
  object-fit: cover;
}

.profile-info {
  flex-grow: 1;
  overflow: hidden;
}

.profile-name {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

/* Main Content Area */
.app-content {
  flex-grow: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.app-header {
  height: var(--header-height);
  background-color: 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: 90;
  transition: var(--transition-smooth);
}

.header-title-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-sidebar-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
}

.header-title {
  font-size: 18px;
  font-weight: 700;
}

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

.theme-toggle-btn, .notifications-btn {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
}

.theme-toggle-btn:hover, .notifications-btn:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--text-secondary);
}

.notification-dot {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  background-color: var(--danger);
  border-radius: 50%;
  border: 2px solid var(--bg-secondary);
}

/* Page Body Container */
.page-body {
  padding: 32px;
  flex-grow: 1;
}

.view-panel {
  display: none;
  animation: fadeIn 0.4s ease-out;
}

.view-panel.active {
  display: block;
}

/* Dashboard Specific Styles */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 24px;
}

.metric-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: var(--card-shadow);
  transition: var(--transition-smooth);
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
}

.metric-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.metric-icon.blue { background-color: rgba(59, 130, 246, 0.1); color: var(--primary); }
.metric-icon.yellow { background-color: rgba(245, 158, 11, 0.1); color: var(--warning); }
.metric-icon.green { background-color: rgba(16, 185, 129, 0.1); color: var(--success); }
.metric-icon.red { background-color: rgba(239, 68, 68, 0.1); color: var(--danger); }

.metric-data {
  display: flex;
  flex-direction: column;
}

.metric-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.metric-value {
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
}

/* Real-Time Simulator Dashboard Widget */
.sim-controller-card {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 20px;
  margin-bottom: 24px;
  box-shadow: var(--card-shadow);
}

.sim-controller-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.sim-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 15px;
}

.pulse-indicator {
  width: 10px;
  height: 10px;
  background-color: var(--text-secondary);
  border-radius: 50%;
  position: relative;
}

.pulse-indicator.active {
  background-color: var(--success);
}

.pulse-indicator.active::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--success);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

.sim-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.sim-speed-selector {
  display: flex;
  align-items: center;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 4px;
}

.sim-speed-btn {
  background: none;
  border: none;
  padding: 6px 12px;
  border-radius: 8px;
  font-family: var(--font-family);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.sim-speed-btn.active {
  background-color: var(--primary);
  color: white;
}

/* Visualization Panel (Charts) */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 24px;
}

.chart-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 24px;
  box-shadow: var(--card-shadow);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.chart-title {
  font-size: 15px;
  font-weight: 700;
}

.chart-canvas-container {
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* Live Feed Panel */
.feed-and-doc-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr;
  gap: 24px;
}

.panel-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 24px;
  box-shadow: var(--card-shadow);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.panel-title {
  font-size: 16px;
  font-weight: 700;
}

/* Custom Table Styles */
.table-container {
  overflow-x: auto;
  margin-top: 8px;
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.custom-table th {
  padding: 14px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border-color);
}

.custom-table td {
  padding: 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.custom-table tbody tr {
  transition: var(--transition-smooth);
}

.custom-table tbody tr:hover {
  background-color: var(--bg-primary);
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  gap: 6px;
}

.badge::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.badge-pending {
  background-color: var(--warning-light);
  color: var(--warning);
}
.badge-pending::before { background-color: var(--warning); }

.badge-approved {
  background-color: var(--success-light);
  color: var(--success);
}
.badge-approved::before { background-color: var(--success); }

.badge-rejected {
  background-color: var(--danger-light);
  color: var(--danger);
}
.badge-rejected::before { background-color: var(--danger); }

.priority-flag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 500;
}

.priority-high { color: var(--danger); }
.priority-medium { color: var(--warning); }
.priority-low { color: var(--text-secondary); }

/* Live activity log rows */
.activity-feed-container {
  max-height: 380px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-right: 4px;
}

.activity-row {
  display: flex;
  gap: 14px;
  padding: 12px;
  border-radius: 12px;
  background-color: var(--bg-tertiary);
  border-left: 4px solid var(--text-secondary);
  transition: var(--transition-smooth);
  animation: slideRight 0.3s ease-out;
}

.activity-row:hover {
  transform: translateX(2px);
}

.activity-row.submit { border-left-color: var(--primary); }
.activity-row.approved { border-left-color: var(--success); }
.activity-row.rejected { border-left-color: var(--danger); }

.activity-icon-container {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.activity-row.submit .activity-icon-container { background-color: var(--primary-light); color: var(--primary); }
.activity-row.approved .activity-icon-container { background-color: var(--success-light); color: var(--success); }
.activity-row.rejected .activity-icon-container { background-color: var(--danger-light); color: var(--danger); }

.activity-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.activity-text {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
}

.activity-time {
  font-size: 11px;
  color: var(--text-secondary);
}

/* File Upload drag area */
.file-upload-zone {
  border: 2px dashed var(--border-color);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  background-color: var(--bg-tertiary);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.file-upload-zone:hover {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.file-upload-icon {
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.file-upload-zone:hover .file-upload-icon {
  color: var(--primary);
}

.file-upload-text {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 4px;
}

.file-upload-subtext {
  font-size: 12px;
  color: var(--text-secondary);
}

.file-preview-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background-color: var(--bg-secondary);
  margin-top: 12px;
}

/* Detail Modal Styles */
.modal {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 110;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background-color: var(--modal-backdrop);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal.active {
  display: flex;
  opacity: 1;
}

.modal-content {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  width: 100%;
  max-width: 600px;
  max-height: 85vh;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}

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

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
}

.btn-close-modal {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 20px;
  transition: var(--transition-smooth);
}

.btn-close-modal:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex-grow: 1;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* Document Review Log inside Modal */
.timeline {
  margin-top: 20px;
  position: relative;
  padding-left: 20px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 8px; bottom: 8px; left: 6px;
  width: 2px;
  background-color: var(--border-color);
}

.timeline-item {
  position: relative;
  padding-bottom: 16px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  top: 6px; left: -18px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--text-secondary);
  border: 2px solid var(--bg-secondary);
}

.timeline-item.pending::before { background-color: var(--warning); }
.timeline-item.approved::before { background-color: var(--success); }
.timeline-item.rejected::before { background-color: var(--danger); }

.timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.timeline-user {
  font-size: 13px;
  font-weight: 600;
}

.timeline-time {
  font-size: 11px;
  color: var(--text-secondary);
}

.timeline-comment {
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 8px;
  background-color: var(--bg-tertiary);
  margin-top: 4px;
  border-left: 3px solid var(--border-color);
}

.timeline-item.approved .timeline-comment { border-left-color: var(--success); }
.timeline-item.rejected .timeline-comment { border-left-color: var(--danger); }

/* SVG Chart Specific Styles */
.chart-tooltip {
  position: absolute;
  padding: 8px 12px;
  background-color: rgba(15, 23, 42, 0.95);
  color: white;
  border-radius: 6px;
  font-size: 11px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
  z-index: 10;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.chart-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.chart-axis-line {
  stroke: var(--border-color);
  stroke-width: 1;
}

.chart-grid-line {
  stroke: var(--border-color);
  stroke-width: 1;
  stroke-dasharray: 4,4;
  opacity: 0.5;
}

.chart-label-text {
  fill: var(--text-secondary);
  font-size: 10px;
  font-family: var(--font-family);
}

.chart-bar-rect {
  transition: var(--transition-smooth);
  cursor: pointer;
}

.chart-bar-rect:hover {
  filter: brightness(1.1);
}

.chart-line-path {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
  transition: var(--transition-smooth);
}

.chart-line-dot {
  cursor: pointer;
  transition: var(--transition-smooth);
}

.chart-line-dot:hover {
  r: 6;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 380px;
  width: 100%;
}

.toast {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-left: 6px solid var(--primary);
  border-radius: 12px;
  padding: 16px;
  box-shadow: var(--card-shadow);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  animation: slideLeft 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  transition: var(--transition-smooth);
  position: relative;
  cursor: pointer;
}

.toast.approved { border-left-color: var(--success); }
.toast.rejected { border-left-color: var(--danger); }
.toast.submit { border-left-color: var(--primary); }

.toast-icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.toast.submit .toast-icon { background-color: var(--primary-light); color: var(--primary); }
.toast.approved .toast-icon { background-color: var(--success-light); color: var(--success); }
.toast.rejected .toast-icon { background-color: var(--danger-light); color: var(--danger); }

.toast-body {
  flex-grow: 1;
}

.toast-title {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 2px;
}

.toast-message {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 14px;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes slideRight {
  from { opacity: 0; transform: translateX(-15px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideLeft {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* Media Queries for Responsiveness */
@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .charts-grid {
    grid-template-columns: 1fr;
  }
  .feed-and-doc-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .btn-sidebar-toggle {
    display: flex;
  }
  
  .app-sidebar {
    transform: translateX(-100%);
  }
  
  .app-sidebar.active {
    transform: translateX(0);
  }
  
  .app-content {
    margin-left: 0;
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  
  .app-header {
    padding: 0 16px;
  }
  
  .page-body {
    padding: 16px;
  }
  
  .auth-card {
    padding: 24px;
  }
  
  .quick-login-grid {
    grid-template-columns: 1fr;
  }
}