/** ============================================
   Comments System Styles
   Theme-aware, mobile-first
   ============================================ */

.comments-section {
  position: relative;
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.comments-section::before {
  content: '';
  position: absolute;
  inset: 7% auto auto 0;
  width: min(40vw, 34rem);
  height: min(40vw, 34rem);
  pointer-events: none;
  background:
    radial-gradient(circle at 32% 28%, rgba(34, 211, 238, 0.12), transparent 58%),
    radial-gradient(circle at 70% 68%, rgba(16, 185, 129, 0.09), transparent 62%);
  filter: blur(28px);
  opacity: 0.8;
}

.comments-container {
  position: relative;
  display: grid;
  gap: var(--space-5, 1.25rem);
  max-width: 1160px;
  margin: 0 auto;
}

.comments-form-wrapper,
.comments-list {
  min-width: 0;
}

.comments-form {
  position: relative;
  overflow: hidden;
  padding: clamp(1.1rem, 3vw, 1.75rem);
  border: 1px solid var(--card-border, rgba(255, 255, 255, 0.06));
  border-radius: var(--radius-2xl, 1rem);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025)),
    rgba(12, 12, 16, 0.86);
  box-shadow: var(--card-shadow, 0 2px 8px rgba(0, 0, 0, 0.3));
  backdrop-filter: blur(var(--glass-blur, 12px));
}

.comments-form::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(34, 211, 238, 0.28), transparent 30%, rgba(16, 185, 129, 0.2) 72%, transparent),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 34%);
  opacity: 0.45;
}

.comments-form > * {
  position: relative;
  z-index: 1;
}

.comments-form-head {
  display: grid;
  gap: var(--space-2, 0.5rem);
  margin-bottom: var(--space-5, 1.25rem);
}

.comments-eyebrow,
.comments-auth-label,
.comments-field span,
.comments-counter {
  color: var(--color-text-muted, #8B8B96);
  font-family: var(--font-mono, monospace);
  font-size: var(--text-xs, 0.75rem);
  letter-spacing: 0.06em;
}

.comments-eyebrow {
  color: var(--color-accent-cyan, #22D3EE);
}

.comments-form-head h3 {
  margin: 0;
  color: var(--color-text, #FAFAFA);
  font-family: var(--font-heading, sans-serif);
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  line-height: 1.15;
  text-wrap: balance;
}

.comments-form-head p {
  max-width: 56ch;
  margin: 0;
  color: var(--color-text-secondary, #A1A1AA);
  line-height: 1.75;
}

.comments-auth-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3, 0.75rem);
  align-items: center;
  margin-bottom: var(--space-5, 1.25rem);
  padding: var(--space-3, 0.75rem);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl, 0.75rem);
  background: rgba(255, 255, 255, 0.045);
}

.comments-auth-avatar,
.comment-avatar,
.footer-auth-avatar {
  display: inline-grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid rgba(34, 211, 238, 0.28);
  border-radius: 0.85rem;
  background:
    linear-gradient(145deg, rgba(34, 211, 238, 0.16), rgba(37, 99, 235, 0.08)),
    rgba(255, 255, 255, 0.04);
  color: var(--color-text, #FAFAFA);
  font-family: var(--font-mono, monospace);
  font-size: var(--text-sm, 0.875rem);
  font-weight: var(--font-semibold, 600);
  font-variant-numeric: tabular-nums;
}

.comments-auth-copy {
  display: grid;
  min-width: 0;
  gap: 0.1rem;
}

.comments-auth-copy strong {
  overflow: hidden;
  color: var(--color-text, #FAFAFA);
  font-size: var(--text-base, 1rem);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.comments-auth-status {
  color: var(--color-text-secondary, #A1A1AA);
  font-size: var(--text-sm, 0.875rem);
  line-height: 1.45;
}

.comments-auth-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: var(--space-2, 0.5rem);
}

.comment-auth-button {
  min-height: 44px;
  padding: 0 var(--space-4, 1rem);
  border: 1px solid rgba(34, 211, 238, 0.28);
  border-radius: var(--radius-lg, 0.5rem);
  background: rgba(34, 211, 238, 0.08);
  color: var(--color-text, #FAFAFA);
  font: inherit;
  font-weight: var(--font-semibold, 600);
  cursor: pointer;
  transition: transform var(--transition-base, 200ms ease), border-color var(--transition-base, 200ms ease), background var(--transition-base, 200ms ease);
}

.comment-auth-button:hover {
  border-color: rgba(34, 211, 238, 0.52);
  background: rgba(34, 211, 238, 0.14);
  transform: translateY(-1px);
}

.comment-auth-button:active {
  transform: translateY(0) scale(0.99);
}

.comment-auth-button:focus-visible,
.comments-name:focus-visible,
.comments-website:focus-visible,
.comments-input:focus-visible,
.comments-submit:focus-visible,
.footer-auth-button:focus-visible {
  outline: 2px solid var(--color-accent-cyan, #22D3EE);
  outline-offset: 3px;
}

.comments-fields-grid {
  display: grid;
  gap: var(--space-3, 0.75rem);
}

.comments-field {
  display: grid;
  gap: var(--space-2, 0.5rem);
}

.comments-name,
.comments-website,
.comments-input,
.reply-input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-xl, 0.75rem);
  background: rgba(5, 5, 8, 0.66);
  color: var(--color-text, #FAFAFA);
  font: inherit;
  transition: border-color var(--transition-base, 200ms ease), background var(--transition-base, 200ms ease), box-shadow var(--transition-base, 200ms ease);
}

.comments-name,
.comments-website {
  min-height: 48px;
  padding: 0 var(--space-4, 1rem);
}

.comments-input,
.reply-input {
  min-height: 10rem;
  padding: var(--space-4, 1rem);
  font-size: var(--text-base, 1rem);
  line-height: 1.65;
  resize: vertical;
}

.comments-input::placeholder,
.comments-name::placeholder,
.comments-website::placeholder {
  color: var(--color-text-subtle, #52525B);
}

.comments-name:focus,
.comments-website:focus,
.comments-input:focus,
.reply-input:focus {
  border-color: rgba(34, 211, 238, 0.5);
  background: rgba(5, 5, 8, 0.84);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.08);
}

.comments-form-footer {
  display: grid;
  gap: var(--space-3, 0.75rem);
  margin-top: var(--space-4, 1rem);
}

.comments-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2, 0.5rem) var(--space-4, 1rem);
  align-items: center;
  justify-content: space-between;
}

.comments-hint {
  color: var(--color-text-muted, #8B8B96);
  font-size: var(--text-sm, 0.875rem);
}

.comments-counter {
  font-variant-numeric: tabular-nums;
}

.comments-status {
  min-height: 1.35rem;
  margin: var(--space-3, 0.75rem) 0 0;
  color: var(--color-text-muted, #8B8B96);
  font-size: var(--text-sm, 0.875rem);
}

.comments-status.is-error {
  color: var(--color-error, #EF4444);
}

.comments-status.is-success {
  color: var(--color-success, #10B981);
}

.comments-status.is-info {
  color: var(--color-accent-cyan, #22D3EE);
}

.comments-submit {
  min-height: 48px;
  width: 100%;
  padding: 0 var(--space-5, 1.25rem);
  border-radius: var(--radius-lg, 0.5rem);
  font-size: var(--text-sm, 0.875rem);
  font-weight: var(--font-semibold, 600);
}

.comments-submit:disabled {
  cursor: progress;
  opacity: 0.68;
}

.comments-list {
  display: grid;
  gap: var(--space-4, 1rem);
}

.comments-state {
  display: grid;
  gap: var(--space-3, 0.75rem);
  min-height: 13rem;
  padding: clamp(1.25rem, 4vw, 2rem);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-2xl, 1rem);
  background: rgba(255, 255, 255, 0.028);
  color: var(--color-text-secondary, #A1A1AA);
  align-content: center;
}

.comments-state-mark {
  display: inline-grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: var(--radius-lg, 0.5rem);
  background: rgba(34, 211, 238, 0.08);
  color: var(--color-accent-cyan, #22D3EE);
  font-family: var(--font-mono, monospace);
  font-size: var(--text-xs, 0.75rem);
  font-weight: var(--font-semibold, 600);
}

.comments-state strong {
  color: var(--color-text, #FAFAFA);
  font-family: var(--font-heading, sans-serif);
  font-size: var(--text-xl, 1.25rem);
}

.comments-state p {
  max-width: 44ch;
  margin: 0;
  line-height: 1.7;
}

.comments-state-error {
  border-color: rgba(239, 68, 68, 0.28);
}

.comments-state-error .comments-state-mark {
  background: rgba(239, 68, 68, 0.12);
  color: var(--color-error, #EF4444);
}

.comments-skeleton {
  display: block;
  width: min(100%, 24rem);
  height: 0.75rem;
  border-radius: var(--radius-full, 9999px);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.05));
  background-size: 220% 100%;
  animation: commentsSkeleton 1.4s ease infinite;
}

.comments-skeleton.short {
  width: min(72%, 17rem);
}

@keyframes commentsSkeleton {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

.comment-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3, 0.75rem);
  padding: clamp(1rem, 3vw, 1.35rem);
  border: 1px solid var(--card-border, rgba(255, 255, 255, 0.06));
  border-radius: var(--radius-2xl, 1rem);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--card-shadow, 0 2px 8px rgba(0, 0, 0, 0.3));
  transition: transform var(--transition-base, 200ms ease), border-color var(--transition-base, 200ms ease), background var(--transition-base, 200ms ease);
}

.comment-item:hover {
  border-color: rgba(34, 211, 238, 0.22);
  background: rgba(255, 255, 255, 0.055);
  transform: translateY(-2px);
}

.comment-content {
  min-width: 0;
}

.comment-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2, 0.5rem);
  margin-bottom: var(--space-2, 0.5rem);
}

.comment-author {
  color: var(--color-text, #FAFAFA);
  font-weight: var(--font-semibold, 600);
}

.comment-date {
  color: var(--color-text-muted, #8B8B96);
  font-family: var(--font-mono, monospace);
  font-size: var(--text-xs, 0.75rem);
  font-variant-numeric: tabular-nums;
}

.comment-body {
  color: var(--color-text-secondary, #A1A1AA);
  font-size: var(--text-base, 1rem);
  line-height: 1.78;
  word-break: break-word;
}

.comment-body a {
  color: var(--color-accent-cyan, #22D3EE);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.comment-body code {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md, 0.375rem);
  background: rgba(255, 255, 255, 0.06);
  padding: 0.1rem 0.35rem;
  color: var(--color-text, #FAFAFA);
  font-family: var(--font-mono, monospace);
  font-size: 0.9em;
}

.comment-body pre {
  overflow-x: auto;
  margin: var(--space-3, 0.75rem) 0;
  padding: var(--space-4, 1rem);
  border-radius: var(--radius-xl, 0.75rem);
  background: rgba(5, 5, 8, 0.72);
}

.comment-body pre code {
  border: 0;
  background: none;
  padding: 0;
}

.comment-actions,
.reply-form,
.comment-replies {
  margin-top: var(--space-3, 0.75rem);
}

.comment-reply {
  margin-left: var(--space-4, 1rem);
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
}

.comment-reply-btn,
.comment-reply-submit {
  min-height: 36px;
  padding: 0 var(--space-3, 0.75rem);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg, 0.5rem);
  background: transparent;
  color: var(--color-text-muted, #8B8B96);
  cursor: pointer;
  font: inherit;
  font-size: var(--text-xs, 0.75rem);
  transition: color var(--transition-base, 200ms ease), border-color var(--transition-base, 200ms ease), background var(--transition-base, 200ms ease);
}

.comment-reply-btn:hover,
.comment-reply-submit:hover {
  border-color: rgba(34, 211, 238, 0.32);
  background: rgba(34, 211, 238, 0.08);
  color: var(--color-text, #FAFAFA);
}

@media (min-width: 760px) {
  .comments-container {
    grid-template-columns: minmax(19rem, 0.88fr) minmax(0, 1.12fr);
    align-items: start;
    gap: var(--space-6, 1.5rem);
  }

  .comments-form-wrapper {
    position: sticky;
    top: calc(var(--header-height, 4rem) + var(--space-5, 1.25rem));
  }

  .comments-auth-card {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .comments-auth-actions {
    grid-column: auto;
  }

  .comments-fields-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .comments-field-wide {
    grid-column: 1 / -1;
  }

  .comments-form-footer {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .comments-submit {
    width: auto;
  }
}

@media (min-width: 1120px) {
  .comments-container {
    grid-template-columns: minmax(21rem, 0.8fr) minmax(0, 1.2fr);
    gap: var(--space-8, 2rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .comment-auth-button,
  .comment-item,
  .comment-reply-btn,
  .comment-reply-submit,
  .comments-input,
  .comments-name,
  .comments-submit,
  .comments-website,
  .reply-input {
    transition: none;
  }

  .comments-skeleton {
    animation: none;
  }
}

[data-theme="light"] .comments-form {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.86), rgba(248, 250, 252, 0.76)),
    rgba(255, 255, 255, 0.82);
}

[data-theme="light"] .comments-name,
[data-theme="light"] .comments-website,
[data-theme="light"] .comments-input,
[data-theme="light"] .reply-input {
  background: rgba(255, 255, 255, 0.82);
}

[data-theme="light"] .comment-item,
[data-theme="light"] .comments-state,
[data-theme="light"] .comments-auth-card {
  background: rgba(255, 255, 255, 0.7);
}

[data-theme="light"] .comment-body code,
[data-theme="light"] .comment-body pre {
  background: rgba(15, 23, 42, 0.06);
}