:root {
  --bg-color: #030303;
  --panel-bg: #1a1a1b;
  --text-primary: #d7dadc;
  --text-secondary: #818384;
  --accent-color: #d93a00;
  --accent-hover: #ff4500;
  --border-color: #343536;
  --border-hover: #4d4d4d;
  --upvote: #ff4500;
  --downvote: #7193ff;
  --input-bg: #272729;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: var(--text-primary);
  text-decoration: none;
}

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 24px;
  background-color: var(--panel-bg);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.icon-circle {
  width: 32px;
  height: 32px;
  background-color: var(--accent-color);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.icon-circle::before {
  content: 'r/';
  font-weight: 700;
  color: #fff;
}

.logo h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.search-bar {
  display: flex;
  align-items: center;
  background-color: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 6px 16px;
  width: 400px;
  transition: border-color 0.2s;
}

.search-bar:hover,
.search-bar:focus-within {
  border-color: var(--text-primary);
}

.search-bar input {
  background: transparent;
  border: none;
  color: var(--text-primary);
  outline: none;
  width: 100%;
  margin-left: 8px;
  font-size: 14px;
}

.nav-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* Buttons */
.btn {
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.2s, color 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

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

.btn.primary:hover {
  background-color: #fff;
}

.btn.outline {
  border-color: var(--text-primary);
  background: transparent;
  color: var(--text-primary);
}

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

.btn.danger {
  background-color: var(--accent-color);
  color: #fff;
}

/* App Container */
.app-container {
  display: flex;
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding: 20px;
  gap: 24px;
}

/* Sidebar */
.sidebar {
  width: 250px;
  background-color: transparent;
  padding: 16px 0;
  height: fit-content;
  position: sticky;
  top: 76px;
}

.sidebar h3 {
  font-size: 12px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 12px;
  padding: 0 16px;
}

.sidebar ul {
  list-style: none;
}

.sidebar li {
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.2s;
  font-size: 14px;
}

.sidebar li:hover {
  background-color: var(--border-color);
}

.sidebar li.active {
  background-color: var(--panel-bg);
  font-weight: 600;
}

/* Main Content */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Create Post Bar */
.create-post-bar {
  display: flex;
  align-items: center;
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 10px;
  gap: 12px;
  cursor: pointer;
}

.create-post-bar input {
  flex: 1;
  background-color: var(--input-bg);
  border: 1px solid var(--border-color);
  padding: 10px 16px;
  border-radius: 4px;
  color: var(--text-primary);
  outline: none;
  cursor: pointer;
}

.create-post-bar input:hover {
  border-color: var(--border-hover);
}

/* Post Card */
.post-card {
  display: flex;
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  transition: border-color 0.2s;
  cursor: pointer;
  margin-bottom: 10px;
}

.post-card:hover {
  border-color: var(--text-secondary);
}

.vote-sidebar {
  width: 40px;
  background-color: rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 4px;
  gap: 4px;
}

.vote-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 4px;
  padding: 4px;
  display: flex;
}

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

.vote-btn.up:hover,
.vote-btn.up.active {
  color: var(--upvote);
}

.vote-btn.down:hover,
.vote-btn.down.active {
  color: var(--downvote);
}

.vote-score {
  font-size: 12px;
  font-weight: 700;
}

.post-content {
  padding: 12px;
  flex: 1;
}

.post-meta {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.post-meta span.sub {
  font-weight: 700;
  color: var(--text-primary);
}

.post-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.post-text {
  font-size: 14px;
  margin-bottom: 12px;
  line-height: 1.5;
  color: var(--text-primary);
}

.post-image {
  max-width: 100%;
  max-height: 500px;
  border-radius: 4px;
  margin-bottom: 12px;
  display: block;
}

.post-actions {
  display: flex;
  gap: 4px;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  background: transparent;
  border: none;
}

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

/* Modals */
.modal {
  display: none;
  position: fixed;
  z-index: 200;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.6);
  justify-content: center;
  align-items: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 24px;
  width: 400px;
  position: relative;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-secondary);
}

.close-btn:hover {
  color: var(--text-primary);
}

.modal-content h2 {
  margin-bottom: 16px;
  font-size: 20px;
}

.modal-content form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal-content input[type="text"],
.modal-content input[type="email"],
.modal-content input[type="password"],
.modal-content textarea,
.modal-content select {
  background-color: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 12px;
  border-radius: 4px;
  outline: none;
  font-size: 14px;
}

.modal-content input:focus,
.modal-content textarea:focus {
  border-color: var(--text-primary);
}

.modal-content p {
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-secondary);
}

.modal-content p a {
  color: var(--text-primary);
  text-decoration: underline;
  font-weight: 600;
}

/* Post detail page */
.post-detail {
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.comments-section {
  padding: 16px;
  border-top: 1px solid var(--border-color);
}

.comment-input-box {
  margin-bottom: 24px;
}

.comment-input-box textarea {
  width: 100%;
  background-color: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 12px;
  border-radius: 4px;
  outline: none;
  font-size: 14px;
  resize: vertical;
  min-height: 80px;
}

.comment-input-box textarea:focus {
  border-color: var(--text-primary);
}

.comment-input-box .btn {
  margin-top: 8px;
  float: right;
}

.comment {
  margin-bottom: 16px;
  padding-left: 12px;
  border-left: 2px solid var(--border-color);
}

.comment-meta {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.comment-text {
  font-size: 14px;
  line-height: 1.5;
}

.profile-header {
  background-color: var(--panel-bg);
  padding: 24px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  margin-bottom: 16px;
}

.profile-header h2 {
  margin-bottom: 8px;
}


@media (max-width: 768px) {
  .app-container {
    flex-direction: column;
    padding: 10px;
  }

  .sidebar {
    display: none;
  }

  .search-bar {
    display: none;
  }
}