/* ==========================================================================
   YourSEOToolbox.com — AI Content Detector Tool Styles
   Matches site design system: Inter font, navy headings, blue actions,
   restrained shadows, 12–18px radii, white/soft gray-blue surfaces.
   ========================================================================== */

/* ── Tool Layout ─────────────────────────────────────────────────── */
.ai-detector-page {
  max-width: 960px;
  margin: 0 auto;
}

/* ── Privacy Banner ──────────────────────────────────────────────── */
.privacy-banner {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--primary-light);
  border: 1px solid rgba(37,99,235,0.2);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 24px;
  font-size: 0.875rem;
  color: var(--primary-dark);
  line-height: 1.5;
}
.privacy-banner .lock-icon {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--primary);
}

/* ── Live Word Count ─────────────────────────────────────────────── */
.word-count-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
  font-size: 0.8125rem;
  color: var(--muted);
}
.word-count-bar .count-value {
  font-weight: 600;
  color: var(--dark);
}
.word-count-bar .count-range {
  font-size: 0.75rem;
}
.word-count-bar.wc-warning .count-value { color: var(--warning); }
.word-count-bar.wc-error .count-value { color: var(--error); }
.word-count-bar.wc-ok .count-value { color: var(--success); }

/* ── Button Row ──────────────────────────────────────────────────── */
.btn-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
  align-items: center;
}
.btn-row .btn-separator {
  color: var(--border);
  font-size: 0.75rem;
  user-select: none;
}

/* ── Model Download Notice ───────────────────────────────────────── */
.model-notice {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-top: 16px;
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.5;
}
.model-notice strong {
  color: var(--dark);
  font-weight: 600;
}

/* ── Browser Capability ──────────────────────────────────────────── */
.capability-area {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-top: 16px;
}
.capability-area h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 10px;
}
.cap-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.cap-check {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--border-light);
}
.cap-check .cap-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.cap-check.unknown { color: var(--muted); }
.cap-check.pass { color: var(--success-dark); background: var(--success-light); border-color: rgba(22,163,74,0.2); }
.cap-check.fail { color: var(--error-dark); background: var(--error-light); border-color: rgba(220,38,38,0.2); }
.cap-check.warn { color: var(--warning-dark); background: var(--warning-light); border-color: rgba(245,158,11,0.2); }

/* ── Status Display ──────────────────────────────────────────────── */
.status-display {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  line-height: 1.5;
  transition: background 0.3s, border-color 0.3s, color 0.3s;
}
.status-display .status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-display .status-spinner {
  flex-shrink: 0;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* State: Not loaded / idle */
.status-idle {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--muted);
}

/* State: Checking browser / working */
.status-working {
  background: var(--info-light);
  border: 1px solid rgba(8,145,178,0.2);
  color: var(--info-dark);
}
.status-working .status-dot { background: var(--info); }

/* State: Ready */
.status-ready {
  background: var(--success-light);
  border: 1px solid rgba(22,163,74,0.2);
  color: var(--success-dark);
}
.status-ready .status-dot { background: var(--success); }

/* State: Downloading / Initializing */
.status-downloading {
  background: var(--primary-light);
  border: 1px solid rgba(37,99,235,0.2);
  color: var(--primary-dark);
}
.status-downloading .status-dot { background: var(--primary); }

/* State: Analyzing */
.status-analyzing {
  background: var(--primary-light);
  border: 1px solid rgba(37,99,235,0.2);
  color: var(--primary-dark);
}
.status-analyzing .status-dot { background: var(--primary); }

/* State: Complete */
.status-complete {
  background: var(--success-light);
  border: 1px solid rgba(22,163,74,0.2);
  color: var(--success-dark);
}
.status-complete .status-dot { background: var(--success); }

/* State: Cancelled */
.status-cancelled {
  background: var(--warning-light);
  border: 1px solid rgba(245,158,11,0.2);
  color: var(--warning-dark);
}
.status-cancelled .status-dot { background: var(--warning); }

/* State: WASM fallback notice */
.status-wasm {
  background: var(--warning-light);
  border: 1px solid rgba(245,158,11,0.2);
  color: var(--warning-dark);
}
.status-wasm .status-dot { background: var(--warning); }

/* State: Error */
.status-error {
  background: var(--error-light);
  border: 1px solid rgba(220,38,38,0.2);
  color: var(--error-dark);
}
.status-error .status-dot { background: var(--error); }

/* ── Progress Bar ────────────────────────────────────────────────── */
.progress-bar-wrap {
  width: 100%;
  height: 8px;
  background: var(--border-light);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 12px;
}
.progress-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-hover));
  transition: width 0.3s ease;
}

/* ── Results Area ────────────────────────────────────────────────── */
.results-area {
  margin-top: 24px;
}
.result-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}
.result-card .result-band {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.result-card .result-band.band-human { color: var(--success-dark); }
.result-card .result-band.band-mixed { color: var(--warning-dark); }
.result-card .result-band.band-ai { color: var(--error-dark); }
.result-card .result-score {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 6px;
}
.result-card .result-label {
  font-size: 0.8125rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}
.result-card .result-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
  font-size: 0.8125rem;
  color: var(--muted);
}
.result-card .result-meta .meta-item strong {
  color: var(--dark);
  font-weight: 600;
}
.result-card .result-explanation {
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--body);
  line-height: 1.6;
  background: var(--bg);
  border-radius: var(--radius);
  padding: 14px 18px;
}

/* ── Result Disclaimer ───────────────────────────────────────────── */
.result-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  background: var(--warning-light);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.8125rem;
  color: var(--warning-dark);
  line-height: 1.5;
  margin-top: 16px;
}

/* ── Empty State ─────────────────────────────────────────────────── */
.empty-results {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
}
.empty-results .empty-icon {
  margin-bottom: 12px;
  opacity: 0.4;
}
.empty-results p {
  font-size: 0.9375rem;
  max-width: 400px;
  margin: 0 auto;
}

/* ── No-JS Notice ────────────────────────────────────────────────── */
.no-js-notice {
  background: var(--warning-light);
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 24px;
  font-size: 0.875rem;
  color: var(--warning-dark);
  line-height: 1.5;
}
.no-js-notice strong {
  color: var(--dark);
}

/* ── Input Warning ───────────────────────────────────────────────── */
.input-warning {
  display: none;
  background: var(--warning-light);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-top: 8px;
  font-size: 0.8125rem;
  color: var(--warning-dark);
  line-height: 1.5;
}
.input-warning.show {
  display: block;
}

/* ── Collapsible informational details ───────────────────────────── */
.model-info-details {
  margin-top: 8px;
}
.model-info-details summary {
  font-size: 0.8125rem;
  color: var(--muted);
  cursor: pointer;
  font-weight: 500;
}
.model-info-details summary:hover {
  color: var(--primary);
}
.model-info-details .info-body {
  margin-top: 8px;
  padding: 12px 16px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--body);
  line-height: 1.6;
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .btn-row {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-row .btn {
    width: 100%;
    justify-content: center;
  }
  .btn-row .btn-separator {
    display: none;
  }
  .cap-checks {
    flex-direction: column;
    gap: 8px;
  }
  .result-card .result-meta {
    flex-direction: column;
    gap: 8px;
  }
  .result-card .result-score {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .privacy-banner {
    flex-direction: column;
    gap: 6px;
  }
  .word-count-bar {
    flex-direction: column;
    align-items: flex-start;
  }
  .result-card {
    padding: 20px 16px;
  }
}