@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap");

:root {
  --bg-primary: #10111f;
  --bg-secondary: #1c1e33;
  --bg-tertiary: #2a2c49;
  --bg-hover-dark: #3a3d61;
  --text-primary: #e1e1ff;
  --text-secondary: #a3a3d1;
  --text-white: #ffffff;
  --accent-primary: #00bcd4;
  --accent-hover: #0097a7;
  --border-color: #2a2c49;
  --font-main: "Roboto", sans-serif;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

.container {
  width: 95%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 0;
}

a {
  text-decoration: none;
  color: var(--text-primary);
  transition: color 0.2s ease;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}

.site-header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 15px 0;
  margin-bottom: 20px;
}
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo {
  height: 40px;
}
.platform-name {
  font-size: 1.4em;
  font-weight: 700;
  color: var(--text-primary);
}

.main-nav {
  display: flex;
  gap: 20px;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 6px;
}

.nav-link:hover {
  background-color: var(--bg-tertiary);
  color: var(--accent-primary);
}

.user-actions {
  display: flex;
  gap: 10px;
}
.btn {
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.95em;
  transition: all 0.2s;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: var(--text-white);
}
.btn-primary:hover {
  background-color: var(--accent-hover);
}
.btn-secondary {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--bg-tertiary);
}

.breadcrumb-item {
  color: var(--text-secondary);
  font-size: 0.9em;
  display: inline-block;
  margin-bottom: 15px;
}

.breadcrumb-separator {
  color: var(--text-secondary);
  margin: 0 8px;
}

.forum-section {
  background-color: var(--bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  margin-bottom: 30px;
  overflow: hidden;
}
.forum-header {
  font-size: 1.2em;
  padding: 15px 20px;
  background-color: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 100%;
}

.forum-item {
  display: flex;
  align-items: center;
  padding: 15px 20px;
  border-bottom: 1px solid var(--border-color);
  gap: 20px;
  transition: background-color 0.2s;
}

.forum-item:last-child {
  border-bottom: none;
}
.forum-item:hover {
  background-color: var(--bg-tertiary);
}

.forum-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.forum-subject {
  flex-grow: 1;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1.05em;
  line-height: 1.4;
}
.forum-subject:hover {
  color: var(--accent-primary);
}
.forum-author {
  width: 120px;
  font-size: 0.9em;
  color: var(--text-secondary);
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.forum-messages {
  width: 100px;
  text-align: center;
  font-size: 0.85em;
  color: var(--text-secondary);
  background: var(--bg-primary);
  padding: 4px 8px;
  border-radius: 12px;
  white-space: nowrap;
}

.forum-last-message {
  width: 180px;
  text-align: right;
  font-size: 0.85em;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.profile-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 30px;
  align-items: start;
}
.profile-card {
  background-color: var(--bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  padding: 30px 20px;
  text-align: center;
}
.profile-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 15px auto;
  border: 4px solid var(--bg-tertiary);
}
.profile-username {
  font-size: 1.8em;
  margin-bottom: 5px;
}
.profile-job {
  color: var(--accent-primary);
  font-weight: 500;
  background: var(--bg-tertiary);
  display: inline-block;
  padding: 4px 12px;
  border-radius: 15px;
  font-size: 0.9em;
  margin-bottom: 25px;
}
.profile-stats {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 25px;
}
.profile-stats div {
  display: flex;
  flex-direction: column;
  font-size: 0.85em;
  color: var(--text-secondary);
}

.profile-stats span {
  font-size: 1.4em;
  font-weight: 700;
  color: var(--text-primary);
}
.profile-divider {
  border: 0;
  border-top: 1px solid var(--border-color);
  margin: 20px 0;
}
.profile-details {
  text-align: left;
  font-size: 0.95em;
  color: var(--text-secondary);
}

.profile-details p {
  margin-bottom: 10px;
}
.profile-details strong {
  color: var(--text-primary);
}
.profile-activity {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.activity-section h3 {
  font-size: 1.3em;
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--bg-tertiary);
}

.activity-list > div {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 15px;
}

.comment-date {
  font-size: 0.8em;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: block;
}

.comment-thread-title {
  font-size: 1.1em;
  margin-bottom: 10px;
}

.comment-thread-title a:hover {
  color: var(--accent-primary);
  text-decoration: underline;
}

.comment {
  font-style: italic;
  color: var(--text-secondary);
  border-left: 3px solid var(--accent-primary);
  padding-left: 15px;
  margin-top: 10px;
}

.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 30px 0;
  margin-top: 50px;
  text-align: center;
}

.footer-nav {
  margin-top: 15px;
  display: flex;
  justify-content: center;
  gap: 20px;
}
.footer-nav a {
  color: var(--text-secondary);
}
.footer-nav a:hover {
  color: var(--accent-primary);
}

@media (max-width: 768px) {
  .forum-item {
    flex-wrap: wrap;
  }
  
  .forum-subject {
    width: 100%;
    margin-bottom: 10px;
    order: -1;
  }
  
  .forum-author, .forum-messages, .forum-last-message {
    width: auto;
    font-size: 0.8em;
    margin-right: 15px;
  }

  .profile-grid {
    grid-template-columns: 1fr;
  }
}