/* Twitter/X Counter & Thread Splitter — styles */
.page { max-width: 800px; margin: 32px auto; padding: 0 20px; }
.page h1 { font-size: 36px; color: #fff; margin-bottom: 8px; letter-spacing: -0.5px; }
.page .subtitle { color: #888; font-size: 15px; margin-bottom: 28px; line-height: 1.5; }
.page label {
  display: block; font-size: 12px; color: #aaa; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px;
}

#text-in {
  width: 100%;
  background: #141414; border: 1px solid #262626;
  color: #e1e1e1; font-size: 15px; padding: 16px;
  border-radius: 10px; font-family: inherit;
  min-height: 180px; resize: vertical; line-height: 1.55;
  outline: none; transition: border-color 0.15s;
}
#text-in:focus { border-color: #ff4444; }

.tw-meter {
  margin-top: 14px; padding: 14px 18px;
  background: #141414; border: 1px solid #262626;
  border-radius: 10px;
  display: flex; align-items: center; gap: 18px;
}
.tw-bar-wrap {
  flex: 1; height: 6px; background: #222; border-radius: 999px;
  overflow: hidden;
}
.tw-bar {
  height: 100%; width: 0; background: #4ade80;
  transition: width 0.15s, background 0.15s;
  border-radius: 999px;
}
.tw-bar.warn { background: #ffce3a; }
.tw-bar.over { background: #ff4444; }

.tw-stats {
  font-size: 14px; color: #bbb;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.tw-stats .tw-sep { margin: 0 8px; color: #444; }
.tw-stats #tw-count { font-weight: 600; color: #fff; }
.tw-meter.over .tw-stats #tw-count { color: #ff4444; }

.thread-output {
  margin-top: 28px; display: flex; flex-direction: column; gap: 12px;
}
.copy-all-btn {
  padding: 10px 18px; background: #cc0000; border: none;
  color: #fff; font-size: 14px; font-weight: 600;
  border-radius: 8px; cursor: pointer; transition: background 0.15s;
  align-self: flex-start;
}
.copy-all-btn:hover { background: #ff1a1a; }
.copy-all-btn.copied { background: #2c8f4a; }

.thread-tweet {
  background: #141414; border: 1px solid #262626;
  border-radius: 10px; padding: 16px 18px;
}
.thread-tweet-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
}
.thread-tweet-idx {
  font-size: 12px; color: #ff4444; font-weight: 700;
  font-family: 'SF Mono', Monaco, monospace;
  letter-spacing: 0.5px;
}
.thread-tweet-count {
  font-size: 12px; color: #666;
  font-variant-numeric: tabular-nums;
}
.thread-tweet-text {
  color: #e1e1e1; font-size: 14px;
  line-height: 1.55; white-space: pre-wrap;
  word-break: break-word;
}
.thread-tweet-actions { margin-top: 12px; display: flex; gap: 8px; }
.thread-copy {
  padding: 6px 14px; background: #1f1f1f; border: 1px solid #333;
  color: #ccc; font-size: 13px; font-weight: 500;
  border-radius: 6px; cursor: pointer; transition: all 0.15s;
  font-family: inherit;
}
.thread-copy:hover { background: #2a2a2a; border-color: #444; color: #fff; }
.thread-copy.copied { border-color: #4ade80; color: #4ade80; }

@media (max-width: 600px) {
  .page h1 { font-size: 28px; }
  .tw-meter { flex-direction: column; align-items: stretch; gap: 10px; }
  .tw-bar-wrap { width: 100%; }
  .tw-stats { text-align: center; }
}