/* ============================================================
   TEXTTOOLS — WordPress Plugin Design System
   Light, clean theme. Every selector scoped under .tts-scope
   so it never collides with the active WP theme's CSS.
   ============================================================ */

.tts-scope {
  --tts-ink:          #16181D;
  --tts-ink-soft:     #5B5F6B;
  --tts-ink-faint:    #9498A3;
  --tts-paper:        #FFFFFF;
  --tts-paper-sunk:   #F6F7F9;
  --tts-line:         #E7E9ED;
  --tts-line-strong:  #D7DAE0;
  --tts-accent:       #4338CA;
  --tts-accent-hov:   #352DA3;
  --tts-accent-soft:  #EEECFB;
  --tts-accent-soft2: #F4F3FC;
  --tts-good:         #0F9D58;
  --tts-good-soft:    #E6F6ED;
  --tts-warn:         #B45309;
  --tts-warn-soft:    #FDF1E0;
  --tts-bad:          #C2261F;
  --tts-bad-soft:     #FBEAE9;

  --tts-font-display: 'Sora', 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --tts-font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --tts-font-mono:    'IBM Plex Mono', 'JetBrains Mono', monospace;

  --tts-radius-sm: 8px;
  --tts-radius:    14px;
  --tts-radius-lg: 20px;
  --tts-shadow-sm: 0 1px 2px rgba(22,24,29,0.05);
  --tts-shadow:    0 4px 16px rgba(22,24,29,0.06);
  --tts-shadow-lg: 0 12px 40px rgba(22,24,29,0.10);
  --tts-ease: cubic-bezier(.4,0,.2,1);

  font-family: var(--tts-font-body);
  color: var(--tts-ink);
  background: var(--tts-paper);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  max-width: 1180px;
  margin: 0 auto;
}

.tts-scope * { box-sizing: border-box; }
.tts-scope h1, .tts-scope h2, .tts-scope h3, .tts-scope h4 {
  font-family: var(--tts-font-display);
  color: var(--tts-ink);
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.01em;
}
.tts-scope a { color: inherit; text-decoration: none; }
.tts-scope img { max-width: 100%; display: block; }
.tts-scope button { font-family: var(--tts-font-body); }
.tts-scope :focus-visible {
  outline: 2px solid var(--tts-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── Tool switcher tabs (used by the [text_tools] all-in-one shortcode) ── */
.tts-toolnav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--tts-line);
  margin-bottom: 28px;
  padding-bottom: 0;
}
.tts-toolnav button {
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--tts-ink-faint);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color .15s var(--tts-ease);
}
.tts-toolnav button:hover { color: var(--tts-ink); }
.tts-toolnav button.tts-is-active { color: var(--tts-accent); border-bottom-color: var(--tts-accent); }

.tts-panel { display: none; }
.tts-panel.tts-is-active { display: block; }

/* ── Tool header ── */
.tts-tool-head { text-align: center; margin-bottom: 24px; }
.tts-tool-head h2 {
  font-size: clamp(24px, 3.6vw, 32px);
  margin-bottom: 8px;
}
.tts-tool-head p { color: var(--tts-ink-soft); font-size: 15.5px; max-width: 520px; margin: 0 auto; }

/* ── Console (the split input/output card) ── */
.tts-console {
  background: var(--tts-paper);
  border: 1px solid var(--tts-line);
  border-radius: var(--tts-radius-lg);
  box-shadow: var(--tts-shadow);
  overflow: hidden;
  margin-bottom: 24px;
}
.tts-console-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 320px;
}
.tts-console-body.tts-single { grid-template-columns: 1fr; }
.tts-console-pane { padding: 22px; position: relative; }
.tts-console-pane + .tts-console-pane { border-left: 1px solid var(--tts-line); }
@media (max-width: 760px) {
  .tts-console-body { grid-template-columns: 1fr !important; }
  .tts-console-pane + .tts-console-pane { border-left: none; border-top: 1px solid var(--tts-line); }
}

.tts-textarea {
  width: 100%;
  height: 230px;
  border: none;
  resize: vertical;
  font-family: var(--tts-font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--tts-ink);
  outline: none;
  background: transparent;
  padding: 0;
}
.tts-textarea::placeholder { color: var(--tts-ink-faint); }

.tts-console-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 22px;
  border-top: 1px solid var(--tts-line);
  background: var(--tts-paper-sunk);
  flex-wrap: wrap;
  gap: 10px;
}
.tts-charcount { font-size: 13px; color: var(--tts-ink-faint); font-family: var(--tts-font-mono); }
.tts-footer-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.tts-result-empty {
  height: 100%;
  min-height: 230px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--tts-ink-faint);
  text-align: center;
  padding: 20px;
}
.tts-result-empty-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--tts-paper-sunk);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  margin-bottom: 4px;
}
.tts-result-empty p { font-size: 14px; max-width: 240px; }
.tts-result-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--tts-ink);
  white-space: pre-wrap;
  word-break: break-word;
}

/* ── Buttons ── */
.tts-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 10px 18px;
  border-radius: var(--tts-radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .12s var(--tts-ease), background .15s var(--tts-ease), border-color .15s var(--tts-ease);
  white-space: nowrap;
}
.tts-btn-primary {
  background: var(--tts-accent);
  color: #fff;
  box-shadow: 0 1px 0 rgba(0,0,0,0.04), 0 6px 16px rgba(67,56,202,0.22);
}
.tts-btn-primary:hover { background: var(--tts-accent-hov); transform: translateY(-1px); }
.tts-btn-ghost { background: transparent; color: var(--tts-ink); border-color: var(--tts-line-strong); }
.tts-btn-ghost:hover { border-color: var(--tts-ink-faint); background: var(--tts-paper-sunk); }
.tts-btn-soft { background: var(--tts-accent-soft); color: var(--tts-accent); }
.tts-btn-soft:hover { background: #E2DFF8; }
.tts-btn:disabled { opacity: .5; cursor: not-allowed; }

/* ── Stat grid (word counter) ── */
.tts-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--tts-line);
  border: 1px solid var(--tts-line);
  border-radius: var(--tts-radius);
  overflow: hidden;
}
.tts-stat-cell { background: var(--tts-paper); padding: 16px 12px; text-align: center; }
.tts-stat-num {
  font-family: var(--tts-font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--tts-ink);
  font-variant-numeric: tabular-nums;
}
.tts-stat-cell.tts-accent .tts-stat-num { color: var(--tts-accent); }
.tts-stat-label { font-size: 11px; color: var(--tts-ink-faint); text-transform: uppercase; letter-spacing: 0.04em; margin-top: 3px; }

.tts-keyword-box { margin-top: 16px; padding: 16px; background: var(--tts-paper-sunk); border-radius: var(--tts-radius); border: 1px solid var(--tts-line); }
.tts-keyword-title { font-size: 12px; font-weight: 600; color: var(--tts-ink-faint); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 10px; }
.tts-keyword-list { display: flex; flex-wrap: wrap; gap: 7px; }
.tts-keyword-chip { background: var(--tts-paper); border: 1px solid var(--tts-line); padding: 5px 11px; border-radius: 99px; font-size: 12.5px; color: var(--tts-ink-soft); }
.tts-keyword-chip b { color: var(--tts-ink); }

/* ── Case converter grid ── */
.tts-case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 14px; }
.tts-case-btn {
  padding: 10px 12px;
  background: var(--tts-paper-sunk);
  border: 1px solid var(--tts-line);
  border-radius: var(--tts-radius-sm);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--tts-ink-soft);
  cursor: pointer;
  transition: all .15s var(--tts-ease);
  text-align: center;
}
.tts-case-btn:hover { border-color: var(--tts-accent); color: var(--tts-accent); background: var(--tts-accent-soft2); }
.tts-case-btn.tts-is-active { background: var(--tts-accent); color: #fff; border-color: var(--tts-accent); }

/* ── Plagiarism ring ── */
.tts-plag-summary { display: flex; gap: 18px; align-items: center; background: var(--tts-paper-sunk); border: 1px solid var(--tts-line); border-radius: var(--tts-radius); padding: 18px; flex-wrap: wrap; }
.tts-ring-wrap { position: relative; width: 84px; height: 84px; flex-shrink: 0; }
.tts-ring-wrap svg { transform: rotate(-90deg); }
.tts-ring-bg { fill: none; stroke: var(--tts-line); stroke-width: 8; }
.tts-ring-fill { fill: none; stroke-width: 8; stroke-linecap: round; transition: stroke-dashoffset 0.9s var(--tts-ease); }
.tts-ring-text { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.tts-ring-pct { font-family: var(--tts-font-display); font-size: 18px; font-weight: 700; }
.tts-ring-cap { font-size: 9px; color: var(--tts-ink-faint); text-transform: uppercase; }

.tts-bar-row { display: flex; align-items: center; gap: 10px; font-size: 12.5px; margin-top: 8px; }
.tts-bar-label { width: 70px; color: var(--tts-ink-faint); flex-shrink: 0; }
.tts-bar-track { flex: 1; height: 6px; background: var(--tts-line); border-radius: 99px; overflow: hidden; }
.tts-bar-fill { height: 100%; border-radius: 99px; transition: width 0.8s var(--tts-ease); }
.tts-bar-val { width: 38px; text-align: right; font-weight: 700; }

/* ── Summary length selector ── */
.tts-length-row { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.tts-length-opt {
  flex: 1; min-width: 90px;
  text-align: center;
  padding: 10px 8px;
  border: 1px solid var(--tts-line);
  border-radius: var(--tts-radius-sm);
  cursor: pointer;
  transition: all .15s var(--tts-ease);
}
.tts-length-opt input { display: none; }
.tts-length-opt span { display: block; font-size: 13px; font-weight: 600; }
.tts-length-opt small { font-size: 11px; color: var(--tts-ink-faint); }
.tts-length-opt:has(input:checked) { border-color: var(--tts-accent); background: var(--tts-accent-soft2); }
.tts-length-opt:has(input:checked) span { color: var(--tts-accent); }

/* ── Loading + toast ── */
.tts-loading-overlay {
  position: absolute; inset: 0;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(2px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; z-index: 50;
}
.tts-spinner {
  width: 28px; height: 28px;
  border: 3px solid var(--tts-accent-soft);
  border-top-color: var(--tts-accent);
  border-radius: 50%;
  animation: tts-spin 0.8s linear infinite;
}
@keyframes tts-spin { to { transform: rotate(360deg); } }
.tts-loading-text { font-size: 13px; color: var(--tts-ink-soft); }

.tts-toast {
  position: fixed;
  bottom: 26px; right: 26px;
  background: var(--tts-ink);
  color: #fff;
  padding: 13px 20px;
  border-radius: var(--tts-radius-sm);
  font-size: 13.5px;
  font-weight: 500;
  box-shadow: var(--tts-shadow-lg);
  transform: translateY(70px);
  opacity: 0;
  transition: all .3s var(--tts-ease);
  z-index: 9999;
  max-width: 300px;
}
.tts-toast.tts-show { transform: translateY(0); opacity: 1; }
.tts-toast.tts-success { background: var(--tts-good); }
.tts-toast.tts-error { background: var(--tts-bad); }

/* ── API notice ── */
.tts-api-notice {
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--tts-accent-soft2);
  border: 1px solid var(--tts-accent-soft);
  border-radius: var(--tts-radius-sm);
  font-size: 13px;
  color: var(--tts-ink-soft);
  display: flex; align-items: center; gap: 8px;
}
.tts-api-notice a { color: var(--tts-accent); font-weight: 600; }
.tts-api-notice a:hover { text-decoration: underline; }

/* ── Responsive ── */
@media (max-width: 600px) {
  .tts-stat-grid { grid-template-columns: repeat(2, 1fr); }
  .tts-case-grid { grid-template-columns: repeat(2, 1fr); }
  .tts-console-footer { flex-direction: column; align-items: stretch; }
  .tts-footer-actions { justify-content: flex-end; }
  .tts-plag-summary { flex-direction: column; text-align: center; }
}