:root {
  --bg-primary: #1e1e1e;
  --bg-secondary: #262626;
  --bg-card: #2a2a2a;
  --bg-card-hover: #303030;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #707070;
  --accent-primary: #67eb34;
  --accent-secondary: #8dab82;
  --danger: #d35a5a;
  --border-color: #3a3a3a;
  --border-light: #444444;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
  --transition: 0.3s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at top right, rgba(103, 235, 52, 0.08), transparent 34%), var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--bg-secondary);
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border-color);
  background: rgba(30, 30, 30, 0.92);
  backdrop-filter: blur(10px);
}

.navbar-inner {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.brand span {
  color: var(--accent-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.hero {
  padding-top: 96px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 30px;
}

.hero-inner > :only-child {
  grid-column: 1 / -1;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  color: var(--accent-secondary);
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h2 {
  margin: 0 0 8px;
  font-size: clamp(1.4rem, 2.4vw, 1.8rem);
  letter-spacing: -0.01em;
}

.hero-sub,
.muted,
.helper,
.comment-meta {
  color: var(--text-secondary);
}

.panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-sm);
}

.stats-card ul {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.stats-card li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

.stats-card li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.stats-card strong {
  color: var(--accent-primary);
  font-size: 1.5rem;
}

.stats-card span {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.rating-box {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 14px 0 10px;
}

.star {
  border: 1px solid var(--border-light);
  background: #212121;
  color: #8b8b8b;
  border-radius: var(--radius-sm);
  width: 46px;
  height: 46px;
  font-size: 1.55rem;
  cursor: pointer;
  transition: transform var(--transition), color var(--transition), border-color var(--transition);
}

.star:hover,
.star.active {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: translateY(-1px);
}

.rating-text {
  margin: 0 0 14px;
  color: var(--text-secondary);
}

.btn {
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--accent-primary);
  color: #111;
  padding: 12px 18px;
}

.btn-primary:hover {
  background: #7aff47;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  padding: 10px 16px;
}

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

.btn-sm {
  font-size: 0.82rem;
}

.guidelines-list {
  margin: 16px 0 0;
  padding-left: 20px;
  color: var(--text-secondary);
}

.guidelines-list li {
  margin-bottom: 8px;
}

.compose-panel {
  display: grid;
  gap: 16px;
}

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

.char-counter {
  color: var(--text-muted);
  font-size: 0.86rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  font-size: 0.9rem;
}

input,
select,
textarea {
  width: 100%;
  background: #222;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 12px;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(103, 235, 52, 0.15);
}

.compose-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.feed-head {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.sort-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
}

.sort-control select {
  width: auto;
  min-width: 138px;
}

.comments-list {
  display: grid;
  gap: 16px;
}

.comment-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: transform var(--transition), border-color var(--transition);
}

.comment-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-secondary);
}

.comment-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.comment-author {
  margin: 0;
  font-size: 1.06rem;
}

.comment-meta {
  margin: 3px 0 0;
  font-size: 0.84rem;
}

.comment-topic {
  font-size: 0.78rem;
  border: 1px solid var(--border-light);
  border-radius: 999px;
  padding: 4px 10px;
  color: var(--accent-secondary);
}

.comment-body {
  margin: 12px 0 14px;
  color: #d2d2d2;
}

.comment-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.react-btn,
.reply-link {
  border: 1px solid var(--border-light);
  background: #1f1f1f;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  cursor: pointer;
  font: inherit;
  font-size: 0.85rem;
}

.react-btn:hover,
.reply-link:hover {
  color: var(--text-primary);
  border-color: var(--accent-secondary);
}

.like-btn.active {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.dislike-btn.active {
  border-color: var(--danger);
  color: #ef7777;
}

.count {
  color: var(--text-primary);
  margin-left: 4px;
}

.reply-form {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--border-color);
}

.reply-output {
  margin-top: 14px;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: rgba(141, 171, 130, 0.08);
}

.reply-label {
  margin: 0 0 4px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-secondary);
}

.reply-text {
  margin: 0;
}

.error {
  color: #ff8686;
}

.success {
  color: var(--accent-primary);
}

@media (max-width: 900px) {
  .hero-inner,
  .two-col,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  .section {
    padding: 68px 0;
  }
}

@media (max-width: 560px) {
  .container {
    padding: 0 16px;
  }

  .panel,
  .comment-card {
    padding: 16px;
  }

  .star {
    width: 40px;
    height: 40px;
  }
}