/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --dark-bg: #121212;
  --dark-surface: #1e1e1e;
  --dark-surface-2: #2d2d2d;
  --dark-text: #e0e0e0;
  --dark-text-secondary: #a0a0a0;
  --dark-border: #333333;
  --primary: #3d5afe;
  --primary-hover: #536dfe;
  --danger: #f44336;
  --danger-hover: #e53935;
  --success: #4caf50;
  --success-bg: rgba(76, 175, 80, 0.1);
  --error: #f44336;
  --error-bg: rgba(244, 67, 54, 0.1);
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header styles */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--dark-border);
  margin-bottom: 30px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

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

header h1 {
  color: var(--dark-text);
}

nav a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
  display: flex;
  align-items: center;
  gap: 5px;
}

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

/* Main content styles */
main {
  min-height: calc(100vh - 200px);
  padding-bottom: 40px;
}

/* Button styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(61, 90, 254, 0.3);
}

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

.btn-danger:hover {
  background-color: var(--danger-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(244, 67, 54, 0.3);
}

.btn-sm {
  padding: 8px;
  font-size: 0.875rem;
  border-radius: 6px;
}

/* Footer styles */
footer {
  text-align: center;
  padding: 20px 0;
  border-top: 1px solid var(--dark-border);
  color: var(--dark-text-secondary);
}

footer i {
  color: var(--primary);
  margin: 0 3px;
}

footer .fa-heart {
  color: var(--danger);
  animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

/* Dashboard styles */
.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.stat-card {
  background-color: var(--dark-surface);
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  gap: 20px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.stat-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: rgba(61, 90, 254, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-icon i {
  font-size: 1.5rem;
  color: var(--primary);
}

.stat-info {
  flex: 1;
}

.stat-card h3 {
  font-size: 1rem;
  color: var(--dark-text-secondary);
  margin-bottom: 5px;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark-text);
}

.links-section {
  background-color: var(--dark-surface);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.links-section h2 {
  color: var(--dark-text);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--dark-border);
}

.add-link-form {
  margin-bottom: 30px;
  padding: 25px;
  border-radius: 10px;
  background-color: var(--dark-surface-2);
  border: 1px solid var(--dark-border);
}

.add-link-form h3 {
  margin-bottom: 20px;
  color: var(--dark-text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.add-link-form h3 i {
  color: var(--primary);
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--dark-text);
}

.form-group input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s;
  background-color: var(--dark-surface);
  color: var(--dark-text);
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(61, 90, 254, 0.2);
}

.links-table-container {
  margin-top: 30px;
}

.links-table-container h3 {
  margin-bottom: 20px;
  color: var(--dark-text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.links-table-container h3 i {
  color: var(--primary);
}

.table-responsive {
  overflow-x: auto;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.links-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: 10px;
  overflow: hidden;
}

.links-table th,
.links-table td {
  padding: 15px;
  text-align: left;
}

.links-table th {
  background-color: var(--dark-surface-2);
  font-weight: 600;
  color: var(--dark-text);
}

.links-table tr {
  border-bottom: 1px solid var(--dark-border);
}

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

.links-table tr:hover {
  background-color: var(--dark-surface-2);
}

.links-table a {
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 5px;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.links-table a:hover {
  text-decoration: underline;
}

.click-count {
  font-weight: 600;
  color: var(--primary);
  background-color: rgba(61, 90, 254, 0.1);
  padding: 3px 10px;
  border-radius: 20px;
  display: inline-block;
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--dark-text-secondary);
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: 15px;
  color: var(--primary);
}

/* Alert styles */
.alert {
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-success {
  background-color: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success);
}

.alert-error {
  background-color: var(--error-bg);
  color: var(--error);
  border: 1px solid var(--error);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .stats-container {
    grid-template-columns: 1fr;
  }

  .links-table {
    display: block;
    overflow-x: auto;
  }

  .stat-card {
    padding: 20px;
  }

  .stat-icon {
    width: 50px;
    height: 50px;
  }

  .stat-value {
    font-size: 1.5rem;
  }
}