/* Everlake Lite - Minimal CSS */

:root {
  --primary-color: #3498db;
  --secondary-color: #2ecc71;
  --danger-color: #e74c3c;
  --warning-color: #f39c12;
  --info-color: #3498db;
  --success-color: #2ecc71;
  --text-color: #333;
  --light-bg: #f8f9fa;
  --dark-bg: #343a40;
  --border-color: #dee2e6;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--light-bg);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* Header */
.header {
  background-color: white;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
}

/* Navigation */
.nav {
  display: flex;
  list-style: none;
}

.nav-item {
  margin-left: 1.5rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: color 0.3s;
}

.nav-link:hover {
  color: var(--primary-color);
}

.nav-link.active {
  color: var(--primary-color);
}

/* Cards */
.card {
  background-color: white;
  border-radius: 4px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}

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

.form-control {
  width: 100%;
  padding: 0.5rem;
  font-size: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.25);
}

/* Buttons */
.btn {
  display: inline-block;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: 4px;
  transition: all 0.15s ease-in-out;
  cursor: pointer;
}

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

.btn-primary:hover {
  background-color: #2980b9;
  border-color: #2980b9;
}

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

.btn-secondary:hover {
  background-color: #27ae60;
  border-color: #27ae60;
}

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

.btn-danger:hover {
  background-color: #c0392b;
  border-color: #c0392b;
}

/* Alerts */
.alert {
  padding: 1rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: 4px;
}

.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;
}

/* Grid System */
.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -15px;
  margin-left: -15px;
}

.col {
  flex-basis: 0;
  flex-grow: 1;
  max-width: 100%;
  padding-right: 15px;
  padding-left: 15px;
}

.col-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
.col-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
.col-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
.col-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.ml-1 { margin-left: 0.25rem; }
.ml-2 { margin-left: 0.5rem; }
.ml-3 { margin-left: 1rem; }
.ml-4 { margin-left: 1.5rem; }
.ml-5 { margin-left: 3rem; }

.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 1rem; }
.mr-4 { margin-right: 1.5rem; }
.mr-5 { margin-right: 3rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 3rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }

.justify-content-start { justify-content: flex-start; }
.justify-content-center { justify-content: center; }
.justify-content-end { justify-content: flex-end; }
.justify-content-between { justify-content: space-between; }
.justify-content-around { justify-content: space-around; }

.align-items-start { align-items: flex-start; }
.align-items-center { align-items: center; }
.align-items-end { align-items: flex-end; }

/* Tables */
.table {
  width: 100%;
  margin-bottom: 1rem;
  color: var(--text-color);
  border-collapse: collapse;
}

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

.table thead th {
  vertical-align: bottom;
  border-bottom: 2px solid var(--border-color);
  background-color: #f8f9fa;
}

.table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(0, 0, 0, 0.05);
}

.table-hover tbody tr:hover {
  background-color: rgba(0, 0, 0, 0.075);
}

/* Login Page */
.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: #f8f9fa;
}

.login-card {
  width: 100%;
  max-width: 400px;
  padding: 2rem;
  background-color: white;
  border-radius: 4px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.login-title {
  text-align: center;
  margin-bottom: 2rem;
  color: var(--primary-color);
}

/* Loading Spinner */
.spinner {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  border: 0.25rem solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
  vertical-align: middle;
}

.d-none {
  display: none !important;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Chart Containers */
.chart-container {
  position: relative;
  height: 250px;
  width: 100%;
  margin-bottom: 1rem;
}

.chart-container canvas {
  width: 100% !important;
  height: 100% !important;
}

/* Queue Navigation */
.queue-nav {
  background-color: #f8f9fa;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.queue-nav-item {
  padding: 15px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  border-left: 4px solid transparent;
}

.queue-nav-item:hover {
  background-color: #f0f0f0;
}

.queue-nav-item.active {
  background-color: #e9f0ff;
  border-left: 4px solid #007bff;
}

.queue-nav-item i {
  font-size: 18px;
  margin-right: 10px;
  width: 24px;
  text-align: center;
}

.queue-nav-item span {
  font-weight: 500;
}

/* Queue Content */
.queue-content-container {
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  padding: 20px;
  min-height: 500px;
}

.queue-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid #e9ecef;
}

/* Responsive */
@media (max-width: 768px) {
  .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6,
  .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12 {
    flex: 0 0 100%;
    max-width: 100%;
  }

  .nav {
    flex-direction: column;
  }

  .nav-item {
    margin-left: 0;
    margin-bottom: 0.5rem;
  }

  .chart-container {
    height: 200px;
  }
}