/**
 * Fatigue Monitoring System - Main Stylesheet
 */

:root {
  --primary-color: #2e5bff;
  --secondary-color: #6c757d;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #17a2b8;
  --light-color: #f8f9fa;
  --dark-color: #343a40;
  --body-bg: #f5f7fb;
  --card-bg: #ffffff;
  --sidebar-bg: #2e3857;
  --header-bg: #ffffff;
  --border-color: #e9ecef;
}

/* Global Styles */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--body-bg);
  color: #333;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

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

a:hover {
  text-decoration: underline;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  margin-top: 0;
}

.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-info { color: var(--info-color) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-secondary { background-color: var(--secondary-color) !important; }
.bg-success { background-color: var(--success-color) !important; }
.bg-danger { background-color: var(--danger-color) !important; }
.bg-warning { background-color: var(--warning-color) !important; }
.bg-info { background-color: var(--info-color) !important; }
.bg-light { background-color: var(--light-color) !important; }
.bg-dark { background-color: var(--dark-color) !important; }

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

/* Additional summary card colors */
.summary-card.summary-info {
  border-left: 4px solid #17a2b8;
}
.summary-icon.info {
  background-color: rgba(23, 162, 184, 0.1);
  color: #17a2b8;
}

.summary-card.summary-primary {
  border-left: 4px solid #007bff;
}
.summary-icon.primary {
  background-color: rgba(0, 123, 255, 0.1);
  color: #007bff;
}

.summary-card.summary-secondary {
  border-left: 4px solid #6c757d;
}
.summary-icon.secondary {
  background-color: rgba(108, 117, 125, 0.1);
  color: #6c757d;
}

.summary-card.summary-purple {
  border-left: 4px solid #6f42c1;
}
.summary-icon.purple {
  background-color: rgba(111, 66, 193, 0.1);
  color: #6f42c1;
}

.content {
  width: 100%;
  min-height: 100vh;
  transition: all 0.3s;
}

/* Header */
.header {
  background-color: var(--header-bg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  padding: 0.75rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 1020;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: flex;
  align-items: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
}

.header-logo img {
  height: 32px;
  margin-right: 0.75rem;
}

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

.header-search {
  position: relative;
  margin-right: 1rem;
}

.header-search input {
  padding: 0.5rem 1rem 0.5rem 2.5rem;
  border-radius: 50px;
  border: 1px solid var(--border-color);
  width: 240px;
  transition: all 0.3s;
}

.header-search .search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--secondary-color);
}

.profile-dropdown {
  position: relative;
}

.profile-dropdown .dropdown-toggle {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.profile-dropdown .dropdown-toggle img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  margin-right: 0.5rem;
}

/* Sidebar */
.sidebar {
  min-width: 250px;
  max-width: 250px;
  background-color: var(--sidebar-bg);
  color: #fff;
  transition: all 0.3s;
  z-index: 1030;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.sidebar.collapsed {
  margin-left: -250px;
}

.sidebar-header {
  padding: 1.5rem;
  background-color: rgba(0, 0, 0, 0.1);
}

.sidebar-header h3 {
  margin: 0;
  font-size: 1.25rem;
}

.sidebar-nav {
  padding: 1rem 0;
}

.sidebar-nav .nav-item {
  position: relative;
}

.sidebar-nav .nav-link {
  padding: 0.75rem 1.5rem;
  color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  transition: all 0.3s;
}

.sidebar-nav .nav-link i {
  margin-right: 0.75rem;
  width: 20px;
  text-align: center;
}

.sidebar-nav .nav-link:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.05);
  text-decoration: none;
}

.sidebar-nav .nav-link.active {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.1);
  border-left: 3px solid var(--primary-color);
}

.sidebar-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  position: absolute;
  bottom: 0;
  width: 100%;
}

/* Cards */
.card {
  background-color: var(--card-bg);
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  margin-bottom: 1.5rem;
  border: none;
}

.card-header {
  background-color: transparent;
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header .card-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
}

.card-body {
  padding: 1.25rem;
}

.card-footer {
  background-color: transparent;
  border-top: 1px solid var(--border-color);
  padding: 1rem 1.25rem;
}

/* Summary Cards */
.summary-card {
  padding: 1.25rem;
  display: flex;
  align-items: center;
  background-color: var(--card-bg);
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  margin-bottom: 1.5rem;
  border-left: 3px solid var(--primary-color);
}

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

.summary-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: rgba(46, 91, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--primary-color);
  margin-right: 1rem;
}

.summary-icon.warning { background-color: rgba(255, 193, 7, 0.1); color: var(--warning-color); }
.summary-icon.danger { background-color: rgba(220, 53, 69, 0.1); color: var(--danger-color); }
.summary-icon.success { background-color: rgba(40, 167, 69, 0.1); color: var(--success-color); }
.summary-icon.info { background-color: rgba(23, 162, 184, 0.1); color: var(--info-color); }

.summary-info {
  flex-grow: 1;
}

.summary-title {
  font-weight: 600;
  margin: 0;
  font-size: 0.875rem;
  color: var(--secondary-color);
}

.summary-value {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  color: #333;
}

.summary-change {
  font-size: 0.75rem;
  font-weight: 500;
  display: flex;
  align-items: center;
}

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

/* Forms */
.form-control:focus {
  border-color: #a0b4ff;
  box-shadow: 0 0 0 0.2rem rgba(46, 91, 255, 0.25);
}

.form-label {
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-text {
  color: var(--secondary-color);
  font-size: 0.75rem;
}

/* Buttons */
.btn {
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 0.25rem;
  transition: all 0.2s;
}

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

.btn-primary:hover, .btn-primary:focus {
  background-color: #1a46e0;
  border-color: #1a46e0;
}

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

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

/* Tables */
.table {
  width: 100%;
  margin-bottom: 1rem;
  color: #212529;
  border-collapse: collapse;
}

.table th {
  font-weight: 600;
  vertical-align: bottom;
  border-bottom: 2px solid var(--border-color);
  padding: 0.75rem;
}

.table td {
  padding: 0.75rem;
  vertical-align: middle;
  border-top: 1px solid var(--border-color);
}

.table-hover tbody tr:hover {
  background-color: rgba(0, 0, 0, 0.02);
}

/* Alerts */
.alert {
  position: relative;
  padding: 1rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: 0.25rem;
}

.alert-success {
  color: #155724;
  background-color: #d4edda;
  border-color: #c3e6cb;
}

.alert-danger {
  color: #721c24;
  background-color: #f8d7da;
  border-color: #f5c6cb;
}

.alert-warning {
  color: #856404;
  background-color: #fff3cd;
  border-color: #ffeeba;
}

.alert-info {
  color: #0c5460;
  background-color: #d1ecf1;
  border-color: #bee5eb;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.35em 0.65em;
  font-size: 0.75em;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 0.25rem;
}

.badge-primary { background-color: var(--primary-color); color: #fff; }
.badge-secondary { background-color: var(--secondary-color); color: #fff; }
.badge-success { background-color: var(--success-color); color: #fff; }
.badge-danger { background-color: var(--danger-color); color: #fff; }
.badge-warning { background-color: var(--warning-color); color: #212529; }
.badge-info { background-color: var(--info-color); color: #fff; }

/* Modals */
.modal-content {
  border: none;
  border-radius: 0.5rem;
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.modal-header {
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
}

.modal-title {
  font-weight: 600;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  border-top: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
}

/* Page Header */
.page-header {
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0;
}

.page-actions {
  display: flex;
  gap: 0.5rem;
}

/* Date picker */
.date-picker {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Tabs */
.nav-tabs {
  border-bottom: 1px solid var(--border-color);
}
/* Active link styles */
.sidebar-nav .nav-link {
  color: #adb5bd;
  padding: 10px 15px;
  transition: all 0.3s;
}

.sidebar-nav .nav-link.active {
  background-color: rgba(255, 255, 255, 0.1);
  border-left: 3px solid #007bff;
  color: #fff !important;
}

.sidebar-nav .nav-link.active i {
  color: #007bff;
}

.sidebar-nav .nav-link:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.05);
}
.nav-tabs .nav-link {
  border: none;
  color: var(--secondary-color);
  font-weight: 500;
  padding: 0.75rem 1rem;
}

.nav-tabs .nav-link:hover {
  border-color: transparent;
}

.nav-tabs .nav-link.active {
  color: var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
  background-color: transparent;
}

/* Chart Container */
.chart-container {
  position: relative;
  height: 300px;
  width: 100%;
}

.chart-container-table {
  position: relative;
  height: 600px;
  width: 100%;
}

/* Loading Spinner */
.spinner-border {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  vertical-align: -0.125em;
  border: 0.2em solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spinner-border .75s linear infinite;
}

@keyframes spinner-border {
  to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 992px) {
  .sidebar {
    margin-left: -250px;
  }
  
  .sidebar.active {
    margin-left: 0;
  }
  
  .content {
    width: 100%;
  }
}

/* Print Styles */
@media print {
  .sidebar, .header, .no-print {
    display: none !important;
  }
  
  .content {
    margin: 0 !important;
    padding: 0 !important;
  }
  
  .card {
    box-shadow: none !important;
    border: 1px solid #ddd !important;
  }
}

/* Utilities */
.text-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bg-light-primary { background-color: rgba(46, 91, 255, 0.1) !important; }
.bg-light-success { background-color: rgba(40, 167, 69, 0.1) !important; }
.bg-light-danger { background-color: rgba(220, 53, 69, 0.1) !important; }
.bg-light-warning { background-color: rgba(255, 193, 7, 0.1) !important; }
.bg-light-info { background-color: rgba(23, 162, 184, 0.1) !important; }