/* Hall Pass System - Web Dashboard Styles */

:root {
  --primary-color: #23405a;
  --secondary-color: #2bb3a3;
  --accent-color: #249e90;
  --background: #f5f7fa;
  --white: #ffffff;
  --text-dark: #333333;
  --text-light: #666666;
  --border-color: #e0e0e0;
  --error-color: #d32f2f;
  --success-color: #2bb3a3;
  --warning-color: #ff9800;
  --border-radius: 12px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
}

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

body {
  font-family: 'Arial', 'Helvetica', sans-serif;
  background-color: var(--background);
  color: var(--text-dark);
  line-height: 1.6;
}

/* Navigation */
nav {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 1rem 2rem;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav .nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav .logo {
  font-size: 1.5rem;
  font-weight: bold;
}

nav .nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

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

nav .nav-links a:hover {
  opacity: 0.8;
}

nav .user-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

nav button {
  background-color: var(--secondary-color);
  color: var(--white);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  transition: background-color 0.3s;
}

nav button:hover {
  background-color: var(--accent-color);
}

/* Main Container */
.container {
  max-width: 1400px;
  margin: 2rem auto;
  padding: 0 2rem;
}

/* Cards */
.card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.stat-card .stat-value {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-card .stat-label {
  font-size: 1rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--white);
}

thead {
  background-color: var(--primary-color);
  color: var(--white);
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

tbody tr:hover {
  background-color: var(--background);
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-dark);
}

input, select, textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--secondary-color);
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.2s;
  text-decoration: none;
  display: inline-block;
}

.btn:hover {
  transform: translateY(-2px);
}

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

.btn-primary:hover {
  background-color: #1a2f3f;
}

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

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

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

.btn-danger:hover {
  background-color: #b71c1c;
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Status Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

.badge-active {
  background-color: #e8f5e9;
  color: #2e7d32;
}

.badge-ended {
  background-color: #e3f2fd;
  color: #1976d2;
}

.badge-warning {
  background-color: #fff3e0;
  color: #e65100;
}

/* Login Page */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.login-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 3rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  width: 100%;
  max-width: 400px;
}

.login-card h1 {
  text-align: center;
  color: var(--primary-color);
  margin-bottom: 2rem;
}

.login-card .btn {
  width: 100%;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 2rem;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-header h2 {
  color: var(--primary-color);
}

.close {
  font-size: 2rem;
  font-weight: bold;
  color: var(--text-light);
  cursor: pointer;
  border: none;
  background: none;
}

.close:hover {
  color: var(--text-dark);
}

/* Loading Spinner */
.loading {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-color);
  border-radius: 50%;
  border-top-color: var(--secondary-color);
  animation: spin 1s linear infinite;
}

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

/* Alert Messages */
.alert {
  padding: 1rem;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
}

.alert-success {
  background-color: #e8f5e9;
  color: #2e7d32;
  border-left: 4px solid var(--success-color);
}

.alert-error {
  background-color: #ffebee;
  color: #c62828;
  border-left: 4px solid var(--error-color);
}

.alert-warning {
  background-color: #fff3e0;
  color: #e65100;
  border-left: 4px solid var(--warning-color);
}

/* Search and Filter Bar */
.filter-bar {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.filter-bar input,
.filter-bar select {
  flex: 1;
  min-width: 200px;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-light);
}

.empty-state h3 {
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

/* Responsive */
@media (max-width: 768px) {
  nav .nav-links {
    gap: 1rem;
    font-size: 0.875rem;
  }

  .container {
    padding: 0 1rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  table {
    font-size: 0.875rem;
  }

  th, td {
    padding: 0.75rem 0.5rem;
  }
}

/* Charts Container */
.chart-container {
  position: relative;
  height: 300px;
  margin: 1rem 0;
}

/* Action Buttons Group */
.action-buttons {
  display: flex;
  gap: 0.5rem;
}

.action-buttons .btn {
  padding: 0.5rem 1rem;
}