/* Skrini Online Tools — shared styles
 * Tool widgets (mic, camera, speakers, screen) — minimal, focused, immediately usable.
 */

:root {
  --tool-bg: #0F172A;
  --tool-card: #1E293B;
  --tool-card-2: #243049;
  --tool-border: #334155;
  --tool-accent: #6366F1;
  --tool-accent-2: #8B5CF6;
  --tool-success: #22C55E;
  --tool-warning: #F59E0B;
  --tool-danger: #EF4444;
  --tool-text: #E2E8F0;
  --tool-text-dim: #94A3B8;
}

/* Breadcrumbs (visible HTML — Schema.org микроразметка отдельно в JSON-LD) */
.tool-breadcrumbs {
  padding: 18px 0 0;
  font-size: 13px;
  color: var(--tool-text-dim);
}
.tool-breadcrumbs ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.tool-breadcrumbs a {
  color: var(--tool-text-dim);
  text-decoration: none;
  transition: color 0.15s;
}
.tool-breadcrumbs a:hover { color: var(--tool-accent); }
.tool-breadcrumbs li + li::before {
  content: '/';
  margin-right: 6px;
  color: var(--tool-border);
}
.tool-breadcrumbs li[aria-current="page"],
.tool-breadcrumbs li:last-child > span { color: var(--tool-text); }

/* Inline icon inside buttons / labels */
.tool-btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.tool-inline-icon {
  display: inline-flex;
  vertical-align: -0.18em;
  margin-right: 6px;
  color: var(--tool-accent);
}
.tool-inline-icon svg { width: 16px; height: 16px; }

.tool-hero {
  padding: 40px 0 24px;
  text-align: center;
}
.tool-hero h1 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  color: var(--tool-text);
}
.tool-hero .tool-subtitle {
  font-size: 17px;
  color: var(--tool-text-dim);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.5;
}
.tool-hero .tool-meta {
  display: inline-flex;
  gap: 18px;
  margin-top: 20px;
  font-size: 13px;
  color: var(--tool-text-dim);
  flex-wrap: wrap;
  justify-content: center;
}
.tool-hero .tool-meta span::before { content: '✓ '; color: var(--tool-success); font-weight: bold; }

/* Main widget container */
.tool-widget {
  background: var(--tool-card);
  border: 1px solid var(--tool-border);
  border-radius: 20px;
  padding: 32px;
  margin: 32px 0;
}
@media (max-width: 640px) {
  .tool-widget { padding: 20px 16px; border-radius: 14px; }
}

.tool-state {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
  padding: 14px 18px;
  background: var(--tool-card-2);
  border-radius: 12px;
  font-size: 14px;
}
.tool-state-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--tool-text-dim);
  flex-shrink: 0;
  transition: background 0.2s;
}
.tool-state.is-ready  .tool-state-dot { background: var(--tool-warning); }
.tool-state.is-active .tool-state-dot { background: var(--tool-success); box-shadow: 0 0 12px var(--tool-success); animation: pulse 1.4s ease-in-out infinite; }
.tool-state.is-error  .tool-state-dot { background: var(--tool-danger); }

@keyframes pulse {
  0%,100% { opacity: 1; }
  50%     { opacity: 0.4; }
}

.tool-state-text { flex: 1; color: var(--tool-text); }
.tool-state-text strong { display: block; margin-bottom: 2px; }
.tool-state-text small { color: var(--tool-text-dim); font-size: 12px; }

/* Buttons */
.tool-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 10px;
  border: 0;
  cursor: pointer;
  transition: transform 0.1s, opacity 0.2s;
  font-family: inherit;
}
.tool-btn-primary {
  background: var(--tool-accent);
  color: #fff;
}
.tool-btn-primary:hover { background: var(--tool-accent-2); transform: translateY(-1px); }
.tool-btn-primary:disabled { background: var(--tool-card-2); color: var(--tool-text-dim); cursor: not-allowed; transform: none; }
.tool-btn-secondary {
  background: transparent;
  border: 1px solid var(--tool-border);
  color: var(--tool-text);
}
.tool-btn-secondary:hover { border-color: var(--tool-accent); color: var(--tool-accent); }

.tool-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

/* Device selector */
.tool-device-row {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  align-items: center;
}
.tool-device-row label {
  font-size: 13px;
  color: var(--tool-text-dim);
  flex-shrink: 0;
}
.tool-device-select {
  flex: 1;
  background: var(--tool-card-2);
  color: var(--tool-text);
  border: 1px solid var(--tool-border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 14px;
  font-family: inherit;
}

/* Visualizer canvas (waveform, video frame) */
.tool-canvas-wrap {
  background: #0a0f1c;
  border-radius: 12px;
  padding: 16px;
  margin: 16px 0;
  border: 1px solid var(--tool-border);
}
.tool-canvas { display: block; width: 100%; height: 160px; }

/* Level meter (vertical bar for volume) */
.tool-meter {
  margin: 18px 0;
}
.tool-meter-label {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--tool-text-dim);
  margin-bottom: 6px;
}
.tool-meter-bar {
  height: 12px;
  background: var(--tool-card-2);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}
.tool-meter-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--tool-success) 0%, var(--tool-warning) 60%, var(--tool-danger) 90%);
  width: 0%;
  transition: width 0.05s linear;
}
.tool-meter-marks {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--tool-text-dim);
  margin-top: 4px;
}

/* CTA block (Skrini upsell) */
.tool-cta {
  background: linear-gradient(135deg, rgba(99,102,241,0.18), rgba(139,92,246,0.12));
  border: 1px solid var(--tool-accent);
  border-radius: 14px;
  padding: 28px;
  margin: 40px 0;
  display: flex;
  gap: 20px;
  align-items: center;
}
.tool-cta-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--tool-accent);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: #fff;
}
.tool-cta-icon svg { width: 28px; height: 28px; }
.tool-cta-body { flex: 1; }
.tool-cta-body h3 { margin: 0 0 6px; font-size: 18px; color: var(--tool-text); }
.tool-cta-body p { margin: 0; color: var(--tool-text-dim); font-size: 14px; line-height: 1.5; }
.tool-cta-btn {
  background: var(--tool-accent);
  color: #fff;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  flex-shrink: 0;
  transition: background 0.2s;
}
.tool-cta-btn:hover { background: var(--tool-accent-2); }
@media (max-width: 640px) {
  .tool-cta { flex-direction: column; text-align: center; padding: 22px 18px; }
  .tool-cta-btn { width: 100%; }
}

/* FAQ section reuses .faq from blog.css if present, otherwise minimal */
.tool-faq {
  margin: 56px 0 32px;
}
.tool-faq h2 {
  font-size: 28px;
  margin: 0 0 24px;
  color: var(--tool-text);
}
.tool-faq-item {
  background: var(--tool-card);
  border: 1px solid var(--tool-border);
  border-radius: 12px;
  padding: 18px 22px;
  margin-bottom: 12px;
}
.tool-faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--tool-text);
  font-size: 16px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.tool-faq-item summary::-webkit-details-marker { display: none; }
.tool-faq-item summary::after {
  content: '＋';
  color: var(--tool-accent);
  font-size: 20px;
  flex-shrink: 0;
  transition: transform 0.2s;
}
.tool-faq-item[open] summary::after { transform: rotate(45deg); }
.tool-faq-item p {
  margin: 12px 0 0;
  color: var(--tool-text-dim);
  line-height: 1.6;
  font-size: 15px;
}

/* Related tools grid */
.tool-related {
  margin: 56px 0 32px;
}
.tool-related h2 {
  font-size: 24px;
  margin: 0 0 18px;
  color: var(--tool-text);
}
.tool-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.tool-related-card {
  display: block;
  padding: 22px;
  background: var(--tool-card);
  border: 1px solid var(--tool-border);
  border-radius: 12px;
  text-decoration: none;
  transition: border-color 0.2s, transform 0.1s;
}
.tool-related-card:hover {
  border-color: var(--tool-accent);
  transform: translateY(-2px);
}
.tool-related-card .tool-related-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(99, 102, 241, 0.12);
  color: var(--tool-accent);
  margin-bottom: 12px;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.tool-related-card .tool-related-icon svg { width: 22px; height: 22px; }
.tool-related-card:hover .tool-related-icon {
  background: var(--tool-accent);
  color: #fff;
}
.tool-related-card .tool-related-title {
  display: block;
  font-weight: 600;
  color: var(--tool-text);
  margin-bottom: 4px;
}
.tool-related-card .tool-related-desc {
  display: block;
  font-size: 13px;
  color: var(--tool-text-dim);
}

/* Article-style content blocks below the tool */
.tool-content {
  max-width: 760px;
  margin: 40px auto 0;
  color: var(--tool-text);
  line-height: 1.7;
}
.tool-content h2 { font-size: 24px; margin: 36px 0 14px; }
.tool-content h3 { font-size: 19px; margin: 26px 0 10px; }
.tool-content p { margin: 0 0 14px; color: var(--tool-text-dim); }
.tool-content ul, .tool-content ol { color: var(--tool-text-dim); padding-left: 24px; margin: 0 0 16px; }
.tool-content li { margin-bottom: 6px; }
.tool-content strong { color: var(--tool-text); }

/* Permission denied modal */
.tool-error {
  background: rgba(239,68,68,0.1);
  border: 1px solid var(--tool-danger);
  border-radius: 10px;
  padding: 16px 18px;
  margin: 16px 0;
  display: none;
}
.tool-error.is-visible { display: block; }
.tool-error h4 { margin: 0 0 6px; color: var(--tool-danger); font-size: 15px; }
.tool-error p { margin: 0; font-size: 14px; color: var(--tool-text); line-height: 1.5; }
.tool-error code { background: rgba(0,0,0,0.3); padding: 2px 6px; border-radius: 4px; font-size: 13px; }