:root {
  --bg: #f8fafc;
  --text: #0f172a;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --muted: #64748b;
  --live-badge: #22c55e;
  --planned-badge: #f59e0b;
}

body.dark {
  --bg: #0f172a;
  --text: #f8fafc;
  --card-bg: #1e293b;
  --border: #334155;
  --muted: #94a3b8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  transition: background-color 0.3s, color 0.3s;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.main-header {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}

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

h1 {
  margin: 0;
  font-size: 1.875rem;
  font-weight: 700;
}

.icon-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s;
}

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

.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.module-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.module-card.live:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  border-color: var(--primary);
}

.module-card.planned {
  opacity: 0.7;
  cursor: default;
}

.module-icon {
  color: var(--primary);
}

.module-info h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.25rem;
}

.module-info p {
  margin: 0 0 1rem 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge.live {
  background-color: rgba(34, 197, 94, 0.1);
  color: var(--live-badge);
}

.badge.planned {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--planned-badge);
}

/* Dialogs */
.dialog-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.dialog-backdrop.hidden {
  display: none;
}

.dialog {
  background-color: var(--card-bg);
  border-radius: 1rem;
  padding: 2rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.dialog h2 {
  margin: 0 0 1.5rem 0;
}

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

.dialog-actions {
  display: flex;
  justify-content: flex-end;
}

button.primary {
  background-color: var(--primary);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
}

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

/* Toggle Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .4s;
}

input:checked + .slider {
  background-color: var(--primary);
}

input:focus + .slider {
  box-shadow: 0 0 1px var(--primary);
}

input:checked + .slider:before {
  transform: translateX(26px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}