/* Spacing and radius design tokens */
:root {
  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --radius-8: 8px;
  --focus: #008000;

  /* Color palette */
  --bg: #f5f0ff;
  --surface: #ffffff;
  --text: #2c2c2c;
  --primary: #4b0082;
  --accent: #6a0dad;
  --header-bg: #222222;
  --border: #cccccc;
  --on-dark: #ffffff;
  --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
  margin: 0;
  font-family: 'Trebuchet MS', Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.navbar {
  background: var(--primary);
  padding: var(--space-16);
  display: flex;
  gap: var(--space-16);
  justify-content: center;
}

.navbar a {
  color: var(--on-dark);
  text-decoration: none;
  font-weight: bold;
}

.content {
  max-width: 800px;
  margin: var(--space-24) auto;
  padding: 0 var(--space-16);
}

form {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

input, textarea, button {
  padding: var(--space-8);
  font-size: 1rem;
  border-radius: var(--radius-8);
}

button {
  background: var(--accent);
  color: var(--on-dark);
  border: none;
  cursor: pointer;
}

a, button {
  transition: opacity 0.2s;
}

a:hover, button:hover {
  opacity: 0.8;
}

a:focus, button:focus {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

header {
  background: var(--header-bg);
  color: var(--on-dark);
  text-align: center;
  padding: 2rem 1rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  padding: 2rem;
}

.product-card {
  background: var(--surface);
  border-radius: 8px;
  box-shadow: 0 2px 4px var(--shadow-color);
  padding: 1rem;
  text-align: center;
}

.product-card img {
  max-width: 100%;
  border-radius: 4px;
}

.price {
  display: block;
  margin-top: 0.5rem;
  font-weight: bold;
}

/* Editor page styles */
.editor-container {
  display: flex;
  gap: 1rem;
}

.rail {
  width: 200px;
}

.hover-target {
  position: relative;
}

.hover-card {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.5rem;
  box-shadow: 0 2px 6px var(--shadow-color);
}

.editor-area {
  width: 100%;
  max-width: 90ch;
  min-width: 80ch;
  margin: 0 auto;
}

.editor-text {
  width: 100%;
  min-height: 60vh;
}

@media (max-width: 1200px) {
  .rail {
    display: none;
  }
}

/* Layout grid for editor shell */
.layout {
  display: grid;
  grid-template-columns: 250px 1fr 250px;
  grid-template-rows: auto 1fr auto;
  grid-template-areas:
    "topbar topbar topbar"
    "left-rail editor right-rail"
    "statusbar statusbar statusbar";
  height: 100vh;
}

.topbar { grid-area: topbar; }
.left-rail { grid-area: left-rail; }
.right-rail { grid-area: right-rail; }
.editor { grid-area: editor; overflow-y: auto; }
.statusbar { grid-area: statusbar; }

/* Rail and sidebar styling */
.sidebar,
.left-rail,
.right-rail {
  padding: var(--space-16);
  background: var(--surface);
}

.sidebar .nav-link,
.left-rail .nav-link,
.right-rail .nav-link {
  color: var(--text);
  padding: var(--space-8) var(--space-12);
  border-radius: var(--radius-8);
}

.sidebar .nav-link.active,
.left-rail .nav-link.active,
.right-rail .nav-link.active {
  background: var(--accent);
  color: var(--on-dark);
}

.sidebar .nav-link:hover,
.left-rail .nav-link:hover,
.right-rail .nav-link:hover {
  background: var(--primary);
  color: var(--on-dark);
}

.layout.left-collapsed {
  grid-template-columns: 0 1fr 250px;
}

.layout.right-collapsed {
  grid-template-columns: 250px 1fr 0;
}

.layout.left-collapsed.right-collapsed {
  grid-template-columns: 0 1fr 0;
}

@media (max-width: 768px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "topbar"
      "editor"
      "statusbar";
  }
  .sidebar,
  .left-rail,
  .right-rail {
    display: none !important;
  }
}

/* Component styles */
.alert {
  padding: var(--space-12) var(--space-16);
  border-radius: var(--radius-8);
  margin-bottom: var(--space-16);
}

.alert-success { background: #d1e7dd; color: #0f5132; }
.alert-danger { background: #f8d7da; color: #842029; }
.alert-info { background: #cff4fc; color: #055160; }

.btn {
  display: inline-block;
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-8);
  border: none;
  cursor: pointer;
  text-align: center;
}

.btn-primary { background: var(--primary); color: var(--on-dark); }
.btn-secondary { background: var(--accent); color: var(--on-dark); }
.btn-sm { padding: var(--space-4) var(--space-8); font-size: 0.875rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-8);
  box-shadow: 0 2px 4px var(--shadow-color);
}

.card-header,
.card-footer {
  padding: var(--space-8) var(--space-12);
  background: var(--bg);
}

.card-body {
  padding: var(--space-12) var(--space-16);
}

/* Post card styles */
.post-card {
  box-shadow: 0 2px 4px var(--shadow-color);
  border: 1px solid var(--border);
}

.post-avatar {
  width: 40px;
  height: 40px;
  object-fit: cover;
}

.post-media img,
.post-media video {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-8);
  display: block;
}

.post-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  align-items: center;
}

.post-comment-form {
  display: flex;
  gap: var(--space-8);
}

@media (max-width: 576px) {
  .post-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .post-comment-form {
    flex-direction: column;
  }

  .post-comment-form .form-control {
    width: 100%;
  }
}

/* Profile form */
.profile-form {
  max-width: 500px;
  margin: 0 auto;
}