/* ADEC Training & Quality Hub — Enterprise Design System */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@500;600;700&display=swap');

:root {
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', sans-serif;

  /* Colors */
  --bg-app: #f4f6f9;
  --bg-sidebar: #0b132b;
  --bg-sidebar-active: #2563eb;
  --bg-sidebar-hover: rgba(255, 255, 255, 0.06);
  --bg-card: #ffffff;
  --bg-card-header: #fafbfc;
  
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-sidebar: #94a3b8;
  --text-sidebar-active: #ffffff;

  --border-color: #e2e8f0;
  --border-radius: 12px;
  --border-radius-sm: 8px;

  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;

  --success: #10b981;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --info: #06b6d4;
  --info-light: #ecfeff;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Dark Mode Overrides */
body.dark-mode {
  --bg-app: #0f172a;
  --bg-card: #1e293b;
  --bg-card-header: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: #334155;
  --primary-light: rgba(37, 99, 235, 0.15);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

/* Sidebar */
.sidebar {
  width: 260px;
  background-color: var(--bg-sidebar);
  color: var(--text-sidebar);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.sidebar-header {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 700;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.sidebar-brand {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.2;
}

.sidebar-brand span {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: #94a3b8;
}

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

.menu-section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: #64748b;
  margin: 16px 12px 8px;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--border-radius-sm);
  color: #94a3b8;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  margin-bottom: 2px;
}

.menu-item:hover {
  background-color: var(--bg-sidebar-hover);
  color: #ffffff;
}

.menu-item.active {
  background-color: var(--bg-sidebar-active);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.menu-item svg {
  width: 18px;
  height: 18px;
}

/* Sidebar Storage Widget */
.sidebar-storage {
  padding: 16px;
  margin: 16px 12px 20px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.storage-title {
  font-size: 12px;
  color: #94a3b8;
  margin-bottom: 4px;
}

.storage-value {
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 12px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #3b82f6, #06b6d4);
  border-radius: 3px;
}

.btn-storage-details {
  width: 100%;
  padding: 6px 12px;
  background-color: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 6px;
  color: #ffffff;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn-storage-details:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

/* Main Content Area */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Topbar */
.topbar {
  height: 64px;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
  max-width: 500px;
}

.btn-icon {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

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

.search-box {
  width: 100%;
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 8px 16px 8px 40px;
  background-color: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 14px;
  color: var(--text-main);
  outline: none;
  transition: border-color 0.2s;
}

.search-box input:focus {
  border-color: var(--primary);
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

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

.badge-wrapper {
  position: relative;
}

.notification-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  background-color: var(--danger);
  color: #ffffff;
  font-size: 10px;
  font-weight: 700;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 20px;
  transition: background-color 0.2s;
}

.user-profile:hover {
  background-color: var(--bg-app);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

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

.user-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
}

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

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

.main-column {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.right-column {
  width: 320px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Welcome Area */
.welcome-header h1 {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.welcome-header p {
  color: var(--text-muted);
  font-size: 14px;
}

/* KPI Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 16px;
}

.kpi-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.kpi-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

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

.kpi-icon.blue { background-color: #eff6ff; color: #2563eb; }
.kpi-icon.orange { background-color: #fff7ed; color: #ea580c; }
.kpi-icon.teal { background-color: #ecfeff; color: #0891b2; }
.kpi-icon.purple { background-color: #f3e8ff; color: #9333ea; }
.kpi-icon.yellow { background-color: #fefce8; color: #ca8a04; }
.kpi-icon.red { background-color: #fef2f2; color: #dc2626; }

.kpi-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.kpi-trend {
  font-size: 12px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}

.kpi-trend.positive { color: var(--success); }
.kpi-trend.negative { color: var(--danger); }
.kpi-trend.neutral { color: var(--text-muted); }

/* Dashboard Cards & Layout */
.dashboard-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  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: var(--bg-card-header);
}

.card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
}

.card-action {
  font-size: 12px;
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.card-action:hover {
  text-decoration: underline;
}

.card-body {
  padding: 20px;
}

/* Two Column Section */
.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* Table Styling */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  text-align: left;
  padding: 10px 14px;
  background-color: var(--bg-app);
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);

}

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

.file-name-cell {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.file-icon {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
}

.file-icon.xlsx { background-color: #dcfce7; color: #166534; }
.file-icon.pdf { background-color: #fee2e2; color: #991b1b; }
.file-icon.docx { background-color: #dbeafe; color: #1e40af; }

/* Excel Intelligence Component */
.excel-intelligence {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

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

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

.badge-status {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.badge-status.completed {
  background-color: var(--success-light);
  color: var(--success);
}

.excel-tabs {
  display: flex;
  gap: 4px;
  padding: 0 20px;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-card-header);
}

.tab-btn {
  padding: 12px 16px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

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

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

.excel-body {
  padding: 20px;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.stat-box {
  background-color: var(--bg-app);
  padding: 12px;
  border-radius: var(--border-radius-sm);
}

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

.stat-val {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

/* AI Insights Panel */
.ai-insights-panel {
  background-color: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 16px;
}

.insight-card {
  margin-bottom: 12px;
  padding: 12px;
  border-radius: 8px;
  border-left: 4px solid var(--primary);
  background-color: #ffffff;
}

.insight-card.positive { border-left-color: var(--success); }
.insight-card.warning { border-left-color: var(--warning); }
.insight-card.critical { border-left-color: var(--danger); }
.insight-card.info { border-left-color: var(--info); }

.insight-title {
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 4px;
  text-transform: uppercase;
}

.insight-card.positive .insight-title { color: var(--success); }
.insight-card.warning .insight-title { color: var(--warning); }
.insight-card.critical .insight-title { color: var(--danger); }
.insight-card.info .insight-title { color: var(--info); }

.insight-text {
  font-size: 12px;
  color: var(--text-main);
}

/* Right Sidebar Widgets */
.widget-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.widget-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 13px;
}

.widget-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.widget-content {
  flex: 1;
}

.widget-user {
  font-weight: 600;
  color: var(--text-main);
}

.widget-time {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 2px;
}

/* AI Assistant Widget */
.ai-widget-prompts {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.prompt-btn {
  padding: 8px 12px;
  background-color: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  text-align: left;
  font-size: 12px;
  color: var(--primary);
  cursor: pointer;
  transition: all 0.2s;
}

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

.chat-input-wrapper {
  display: flex;
  gap: 8px;
}

.chat-input {
  flex: 1;
  padding: 8px 14px;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 13px;
  outline: none;
}

.chat-send-btn {
  width: 36px;
  height: 36px;
  background-color: var(--primary);
  color: #ffffff;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

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