:root {
  color-scheme: light dark;
}

* {
  box-sizing: border-box;
}

body {
  font-family:
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Ubuntu,
    Cantarell,
    Noto Sans,
    Helvetica,
    Arial,
    sans-serif;
  margin: 0;
  padding: 24px;
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.card {
  width: 100%;
  max-width: 760px;
  padding: 28px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  text-align: center;
}

@media (prefers-color-scheme: dark) {
  .card {
    background: rgba(17, 17, 17, 0.65);
  }
}

header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  justify-content: center;
}

nav {
  position: absolute;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
}

.nav-tabs {
  display: flex;
  gap: 8px;
  background: rgba(255, 255, 255, 0.2);
  padding: 4px;
  border-radius: 12px;
  backdrop-filter: blur(4px);
}

.nav-tabs a {
  padding: 8px 16px;
  text-decoration: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 120ms ease;
  color: rgba(0, 0, 0, 0.7);
}

.nav-tabs a.active {
  background: rgba(255, 255, 255, 0.8);
  color: #000;
  font-weight: 600;
}

.nav-tabs a:hover:not(.active) {
  background: rgba(255, 255, 255, 0.4);
  color: rgba(0, 0, 0, 0.8);
}

@media (prefers-color-scheme: dark) {
  .nav-tabs a {
    color: rgba(255, 255, 255, 0.7);
  }

  .nav-tabs a.active {
    background: rgba(17, 17, 17, 0.8);
    color: #fff;
  }

  .nav-tabs a:hover:not(.active) {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
  }
}

.logo {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: #9146ff;
  display: inline-block;
}

h1 {
  font-size: 1.75rem;
  margin: 0;
}

p.lead {
  margin: 6px 0 22px;
  line-height: 1.65;
  opacity: 0.9;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

a.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  padding: 12px 16px;
  border-radius: 10px;
  font-weight: 600;
  transition:
    transform 120ms ease,
    filter 120ms ease,
    background 120ms ease;
}

a.button.primary {
  background: #9146ff;
  color: #fff;
}

a.button.primary:hover {
  filter: brightness(0.95);
  transform: translateY(-1px);
}

a.button.danger {
  background: #ef4444;
  color: #fff;
}

a.button.danger:hover {
  filter: brightness(0.95);
  transform: translateY(-1px);
}

.note {
  margin-top: 16px;
  font-size: 0.95rem;
  opacity: 0.8;
}

.foot {
  margin-top: 22px;
  font-size: 0.9rem;
  opacity: 0.7;
}

p {
  margin: 0 0 18px;
  line-height: 1.65;
}

.pill {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.85rem;
  opacity: 0.85;
}

.pill.add {
  background: rgba(34, 197, 94, 0.15);
  color: #16a34a;
}

.pill.remove {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.meta {
  margin-top: 8px;
  font-size: 0.95rem;
  opacity: 0.85;
}

noscript {
  display: block;
  margin-top: 10px;
  font-size: 0.95rem;
  opacity: 0.8;
}

/* Commands page specific styles */
.commands-list {
  text-align: left;
  max-width: 600px;
  margin: 0 auto;
}

.command-item {
  margin-bottom: 16px;
  padding: 16px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-left: 4px solid #9146ff;
}

.command-name {
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 4px;
  color: #9146ff;
}

.command-description {
  margin: 0;
  opacity: 0.9;
  line-height: 1.5;
}

.command-usage {
  font-family: 'Courier New', monospace;
  background: rgba(0, 0, 0, 0.1);
  padding: 4px 8px;
  border-radius: 4px;
  margin-top: 8px;
  display: inline-block;
  font-size: 0.9rem;
}

.back-link {
  margin-top: 20px;
  display: inline-block;
}