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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  color: #333;
}

a {
  text-decoration: none;
  color: inherit;
}

.min-h-screen {
  min-height: 100vh;
}

.bg-gray-50 {
  background-color: #f9fafb;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header styles */
header {
  padding: 0.75rem 0;
}

.bg-white {
  background-color: white;
}

.border-b {
  border-bottom: 1px solid;
}

.border-gray-200 {
  border-color: #e5e7eb;
}

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

.header-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.logo {
  font-weight: bold;
  font-size: 1.25rem;
  color: #2563eb; /* primary color */
}

.main-nav {
  display: none;
}

@media (min-width: 768px) {
  .main-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
  }
}

.nav-link {
  font-size: 0.875rem;
  color: #4b5563; /* gray-600 */
  transition: color 0.2s;
}

.nav-link:hover {
  color: #2563eb; /* primary color */
}

/* Main content */
main.container {
  padding: 1.5rem 1rem;
}

.posts-container {
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.posts-list {
  display: grid;
  grid-template-columns: 1fr;
  border-bottom: 1px solid #f3f4f6; /* gray-100 */
}

.post {
  padding: 1rem;
  display: flex;
  border-bottom: 1px solid #f3f4f6; /* gray-100 */
  transition: background-color 0.2s;
}

.post:hover {
  background-color: #f9fafb; /* gray-50 */
}

.post-rank {
  margin-right: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.rank-number {
  color: #6b7280; /* gray-500 */
  font-size: 0.875rem;
}

.upvote-button {
  background: none;
  border: none;
  cursor: pointer;
  color: #9ca3af; /* gray-400 */
  margin-top: 0.25rem;
  transition: color 0.2s;
}

.upvote-button:hover {
  color: #2563eb; /* primary color */
}

.post-content {
  flex: 1;
}

.post-title {
  font-size: 1rem;
  font-weight: 500;
}

.post-title a:hover {
  text-decoration: underline;
}

.post-domain {
  margin-left: 0.5rem;
  font-size: 0.75rem;
  color: #6b7280; /* gray-500 */
}

.post-meta {
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  font-size: 0.75rem;
  color: #6b7280; /* gray-500 */
  gap: 0.5rem;
  flex-wrap: wrap;
}

.post-meta a:hover {
  text-decoration: underline;
}

.post-author {
  color: #4b5563; /* gray-600 */
}

.post-time, .post-comments {
  display: flex;
  align-items: center;
}

.post-time svg, .post-comments svg {
  margin-right: 0.25rem;
  width: 0.75rem;
  height: 0.75rem;
}

.post-tags {
  display: flex;
  gap: 0.25rem;
}

.post-tag {
  padding: 0.125rem 0.375rem;
  background-color: #f3f4f6; /* gray-100 */
  border-radius: 0.25rem;
  color: #4b5563; /* gray-600 */
}

.more-link {
  padding: 1rem;
}

.more {
  font-size: 0.875rem;
  color: #2563eb; /* primary color */
}

.more:hover {
  text-decoration: underline;
}

/* Post detail page */
.back-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  color: #4b5563; /* gray-600 */
  margin-bottom: 1rem;
}

.back-link:hover {
  color: #2563eb; /* primary color */
}

.back-link svg {
  margin-right: 0.25rem;
  width: 1rem;
  height: 1rem;
}

.post-detail {
  padding: 1.5rem;
}

.post-detail .post-title {
  font-size: 1.25rem;
}

.post-text {
  margin-top: 1rem;
  font-size: 0.875rem;
}

.comments-section {
  border-top: 1px solid #f3f4f6; /* gray-100 */
  padding: 1.5rem;
}

.comments-title {
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.comment {
  display: flex;
  margin-bottom: 1.5rem;
}

.comment-voting {
  margin-right: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.comment-content {
  flex: 1;
}

.comment-meta {
  display: flex;
  align-items: center;
  font-size: 0.875rem;
  gap: 0.5rem;
}

.comment-author {
  font-weight: 500;
  color: #4b5563; /* gray-600 */
}

.comment-time {
  font-size: 0.75rem;
  color: #6b7280; /* gray-500 */
}

.comment-text {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: #1f2937; /* gray-800 */
}

.comment-actions {
  margin-top: 0.5rem;
  display: flex;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: #6b7280; /* gray-500 */
}

.comment-action:hover {
  color: #2563eb; /* primary color */
}

.comment-replies {
  margin-top: 1rem;
  margin-left: 1rem;
  padding-left: 1rem;
  border-left: 2px solid #f3f4f6; /* gray-100 */
}

.comment-form {
  margin-top: 2rem;
}

.comment-form-title {
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.comment-textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #d1d5db; /* gray-300 */
  border-radius: 0.375rem;
  font-family: inherit;
  font-size: 0.875rem;
  resize: vertical;
}

.comment-textarea:focus {
  outline: none;
  border-color: transparent;
  box-shadow: 0 0 0 2px #2563eb; /* primary color */
}

.comment-submit {
  margin-top: 0.5rem;
  display: flex;
  justify-content: flex-end;
}

.submit-button {
  padding: 0.5rem 1rem;
  background-color: #2563eb; /* primary color */
  color: white;
  border: none;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background-color 0.2s;
}

.submit-button:hover {
  background-color: #1d4ed8; /* primary color darker */
}

/* User profile page */
.user-profile {
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
}

.user-avatar {
  width: 4rem;
  height: 4rem;
  background-color: rgba(37, 99, 235, 0.1); /* primary color with opacity */
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  color: #2563eb; /* primary color */
}

.user-info {
  flex: 1;
}

.user-name {
  font-size: 1.5rem;
  font-weight: bold;
}

.user-meta {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: #6b7280; /* gray-500 */
}

.user-about {
  margin-top: 1rem;
  font-size: 0.875rem;
}

.user-about-title {
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.user-submissions, .user-comments {
  margin-top: 2rem;
}

.section-title {
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.submission {
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid #f3f4f6; /* gray-100 */
}

.submission-title {
  font-weight: 500;
}

.submission-meta {
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  font-size: 0.75rem;
  color: #6b7280; /* gray-500 */
  gap: 0.5rem;
}

.user-comment {
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid #f3f4f6; /* gray-100 */
}

.comment-post-link {
  font-size: 0.75rem;
  color: #6b7280; /* gray-500 */
  margin-bottom: 0.25rem;
}

.comment-post-link a:hover {
  text-decoration: underline;
}

/* Icons */
.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  stroke-width: 0;
  stroke: currentColor;
  fill: currentColor;
  vertical-align: middle;
}

/* Register and Login styles */
.register-container,
.login-container {
  max-width: 400px;
  margin: 2rem auto;
  padding: 2rem;
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.register-container h1,
.login-container h1 {
  text-align: center;
  margin-bottom: 1.5rem;
  color: #333;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  color: #4b5563; /* gray-600 */
  margin-bottom: 0.25rem;
}

.form-group input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #d1d5db; /* gray-300 */
  border-radius: 0.375rem;
  font-family: inherit;
  font-size: 0.875rem;
  color: #333;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #2563eb; /* primary color */
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2); /* primary color with opacity */
}

.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #d1d5db; /* gray-300 */
  border-radius: 0.375rem;
  font-family: inherit;
  font-size: 0.875rem;
  color: #333;
  resize: vertical;
}

.submit-container {
  max-width: 600px;
  margin: 2rem auto;
  padding: 2rem;
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.submit-container h1 {
  text-align: center;
  margin-bottom: 1.5rem;
  color: #333;
}

.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #d1d5db; /* gray-300 */
  border-radius: 0.375rem;
  font-family: inherit;
  font-size: 0.875rem;
  color: #333;
  resize: vertical;
}

.submit-container {
  max-width: 600px;
  margin: 2rem auto;
  padding: 2rem;
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.submit-container h1 {
  text-align: center;
  margin-bottom: 1.5rem;
  color: #333;
}

/* Error message */
.error-message {
  padding: 1rem;
  background-color: #fee2e2; /* red-100 */
  color: #b91c1c; /* red-700 */
  border-radius: 0.375rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

/* Comment reply form */
.comment-reply-form {
  margin-top: 0.5rem;
  margin-bottom: 1rem;
}

/* Logout container */
.logout-container {
  max-width: 400px;
  margin: 2rem auto;
  padding: 2rem;
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.logout-container h1 {
  margin-bottom: 1rem;
}

.logout-container p {
  margin-bottom: 1.5rem;
  color: #4b5563; /* gray-600 */
}