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

:root {
  --dark-bg: #121212;
  --dark-card: #1e1e1e;
  --dark-border: #2a2a2a;
  --accent: #ff5722;
  --accent-hover: #ff7043;
  --text-light: #e0e0e0;
  --text-dim: #9e9e9e;
  --success: #4caf50;
  --warning: #ffc107;
  --danger: #f44336;
  --info: #2196f3;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--dark-bg);
  color: var(--text-light);
  line-height: 1.6;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

header {
  background-color: var(--dark-card);
  border-bottom: 2px solid var(--accent);
  padding: 15px 0;
  margin-bottom: 30px;
}

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

h1, h2, h3 {
  color: var(--accent);
  margin-bottom: 15px;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: var(--accent);
}

nav {
  display: flex;
  gap: 20px;
}

nav a {
  color: var(--text-light);
  text-decoration: none;
  padding: 8px 15px;
  border-radius: 4px;
  transition: all 0.3s;
}

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

.user-info {
  display: flex;
  align-items: center;
  gap: 15px;
}

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
}

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

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

.btn-secondary {
  background-color: var(--dark-card);
  color: var(--text-light);
  border: 1px solid var(--dark-border);
}

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

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

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

.card {
  background-color: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.stat-card {
  background-color: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}

.stat-value {
  font-size: 36px;
  font-weight: bold;
  color: var(--accent);
}

.stat-label {
  color: var(--text-dim);
  font-size: 14px;
  margin-top: 5px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--dark-border);
}

th {
  background-color: var(--dark-card);
  color: var(--accent);
  font-weight: 600;
}

tr:hover {
  background-color: rgba(255, 87, 34, 0.1);
}

.priority-green { color: #4caf50; font-weight: bold; }
.priority-yellow { color: #ffc107; font-weight: bold; }
.priority-orange { color: #ff9800; font-weight: bold; }
.priority-red { color: #f44336; font-weight: bold; }

.status-open {
  color: var(--info);
  font-weight: bold;
}

.status-closed {
  color: var(--text-dim);
}

.badge {
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: bold;
}

.badge-open {
  background-color: var(--info);
  color: white;
}

.badge-closed {
  background-color: var(--dark-border);
  color: var(--text-dim);
}

.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.login-card {
  background-color: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  padding: 40px;
  width: 400px;
}

.login-card h1 {
  text-align: center;
  margin-bottom: 30px;
}

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

label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-light);
}

input[type="text"],
input[type="password"],
input[type="email"],
textarea {
  width: 100%;
  padding: 10px;
  background-color: var(--dark-bg);
  border: 1px solid var(--dark-border);
  border-radius: 4px;
  color: var(--text-light);
  font-size: 14px;
}

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

.alert {
  padding: 15px;
  border-radius: 4px;
  margin-bottom: 20px;
}

.alert-error {
  background-color: rgba(244, 67, 54, 0.1);
  border: 1px solid var(--danger);
  color: var(--danger);
}

.alert-success {
  background-color: rgba(76, 175, 80, 0.1);
  border: 1px solid var(--success);
  color: var(--success);
}

.timeline {
  border-left: 2px solid var(--accent);
  padding-left: 20px;
  margin: 20px 0;
}

.timeline-entry {
  margin-bottom: 20px;
  position: relative;
}

.timeline-entry::before {
  content: '';
  position: absolute;
  left: -26px;
  top: 5px;
  width: 10px;
  height: 10px;
  background-color: var(--accent);
  border-radius: 50%;
}

.timeline-time {
  color: var(--text-dim);
  font-size: 12px;
}

.timeline-message {
  color: var(--text-light);
  margin-top: 5px;
}

.comment {
  background-color: var(--dark-bg);
  border: 1px solid var(--dark-border);
  border-radius: 4px;
  padding: 15px;
  margin-bottom: 15px;
}

.comment-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  color: var(--text-dim);
  font-size: 12px;
}

.comment-author {
  color: var(--accent);
  font-weight: bold;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 1000;
}

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

.modal-content {
  background-color: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  padding: 30px;
  width: 600px;
  max-width: 90%;
  max-height: 85vh;
  overflow-y: auto;
}

.close-modal {
  float: right;
  font-size: 28px;
  font-weight: bold;
  color: var(--text-dim);
  cursor: pointer;
}

.close-modal:hover {
  color: var(--accent);
}

.clickable {
  cursor: pointer;
}

.clickable:hover {
  color: var(--accent);
}

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

a:hover {
  text-decoration: underline;
}

.new-ticket {
  animation: highlight 2s;
}

@keyframes highlight {
  0%, 100% { background-color: transparent; }
  50% { background-color: rgba(255, 87, 34, 0.2); }
}

/* Knowledge Base Styles */
.kb-container {
  max-width: 1400px;
}

.kb-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.kb-filters {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.kb-filters input,
.kb-filters select {
  padding: 10px 12px;
  border: 1px solid var(--dark-border);
  border-radius: 4px;
  background-color: var(--dark-bg);
  color: var(--text-light);
  font-size: 14px;
}

.kb-filters input:focus,
.kb-filters select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 87, 34, 0.25);
}

.kb-articles-grid {
  display: grid;
  gap: 15px;
}

.kb-article-card {
  border: 1px solid var(--dark-border);
  padding: 20px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s;
  background: var(--dark-card);
}

.kb-article-card:hover {
  box-shadow: 0 2px 8px rgba(255, 87, 34, 0.2);
  transform: translateY(-2px);
  border-color: var(--accent);
}

.kb-article-title {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 8px;
  color: var(--accent);
}

.kb-article-meta {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.kb-article-content {
  color: var(--text-light);
  margin-bottom: 15px;
  line-height: 1.5;
  max-height: 80px;
  overflow: hidden;
}

.kb-article-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.kb-article-actions {
  display: flex;
  gap: 8px;
}

.btn-small {
  padding: 6px 12px;
  font-size: 12px;
}

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

.btn-danger:hover {
  background-color: #d32f2f;
}

.status-badge {
  padding: 4px 8px;
  border-radius: 3px;
  font-size: 12px;
  font-weight: bold;
}

.status-active {
  background-color: rgba(76, 175, 80, 0.2);
  color: var(--success);
}

.status-inactive {
  background-color: rgba(244, 67, 54, 0.2);
  color: var(--danger);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--dark-border);
  padding-bottom: 15px;
}

.modal-header h2 {
  margin: 0;
  color: var(--accent);
}

.close {
  font-size: 28px;
  font-weight: bold;
  color: var(--text-dim);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

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

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
  color: var(--text-light);
}

.form-group input[type="text"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--dark-border);
  border-radius: 4px;
  font-family: inherit;
  box-sizing: border-box;
  background-color: var(--dark-bg);
  color: var(--text-light);
}

.form-group textarea {
  resize: vertical;
  min-height: 200px;
}

.form-group textarea:focus,
.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 87, 34, 0.25);
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 30px;
  border-top: 1px solid var(--dark-border);
  padding-top: 20px;
}

.search-box {
  margin-bottom: 20px;
}

.search-box input {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--dark-border);
  border-radius: 4px;
  font-size: 14px;
  background-color: var(--dark-bg);
  color: var(--text-light);
}

.search-box input:focus {
  outline: none;
  border-color: var(--accent);
}

.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text-dim);
  background-color: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 6px;
}