/* ═══════════════════════════════════════════════════════════
   THE SIGNAL — стили блоков статей для the-signal (тёмная тема)
   Фон: #0d0d1f, текст: #e8e8f8
   ═══════════════════════════════════════════════════════════ */

:root {
  --signal-primary:    #7c6fff;
  --signal-green:      #43e97b;
  --signal-text:       #e8e8f8;
  --signal-muted:      #8888b0;
  --signal-bg-item:    #12122a;
  --signal-bg-hover:   #16163a;
  --signal-border:     rgba(124,111,255,.18);
  --signal-radius:     10px;

  --signal-code-bg:        #070714;
  --signal-code-header-bg: #0d0d1f;
  --signal-code-text:      #ccd6f6;
}

/* ═══ FAQ-аккордеоны ═══════════════════════════════════════ */
.signal-faq {
  margin: 1.75em 0;
  border-radius: var(--signal-radius);
  overflow: hidden;
  border: 1px solid var(--signal-border);
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
}

.signal-faq-item {
  border-bottom: 1px solid var(--signal-border);
  background: var(--signal-bg-item);
  transition: background .2s;
}
.signal-faq-item:last-child { border-bottom: none; }
.signal-faq-item[open] { background: var(--signal-bg-hover); }

.signal-faq-q {
  cursor: pointer;
  padding: 1em 3em 1em 1.25em;
  font-weight: 600;
  font-size: 1em;
  color: var(--signal-text);
  list-style: none;
  position: relative;
  user-select: none;
  transition: background .15s;
}
.signal-faq-q::-webkit-details-marker { display: none; }

.signal-faq-q::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: transparent;
  transition: background .2s;
}
.signal-faq-item[open] .signal-faq-q::before {
  background: var(--signal-primary);
  box-shadow: 0 0 8px rgba(124,111,255,.6);
}

.signal-faq-q::after {
  content: '+';
  position: absolute;
  right: 1.25em; top: 50%;
  transform: translateY(-50%);
  font-size: 1.4em;
  font-weight: 300;
  color: var(--signal-primary);
  line-height: 1;
}
.signal-faq-item[open] .signal-faq-q::after { content: '−'; }

.signal-faq-q:hover { background: var(--signal-bg-hover); }

.signal-faq-a {
  padding: .25em 1.25em 1.1em;
  color: var(--signal-muted);
  line-height: 1.7;
  font-size: .96em;
  animation: faqSlide .2s ease;
}
@keyframes faqSlide {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ═══ Callout-блоки ════════════════════════════════════════ */
.signal-callout {
  display: flex;
  align-items: flex-start;
  gap: .9em;
  margin: 1.75em 0;
  padding: 1.1em 1.35em;
  border-radius: var(--signal-radius);
  border-left: 4px solid;
  background: rgba(255,255,255,.04);
}

.signal-callout-icon { font-size: 1.35em; flex-shrink: 0; line-height: 1.2; }
.signal-callout-body { flex: 1; line-height: 1.65; font-size: .97em; }
.signal-callout-body p { margin: 0; }
.signal-callout-body p + p { margin-top: .5em; }

.signal-callout-info    { border-left-color: #7c6fff; color: #b0a8ff; }
.signal-callout-warning { border-left-color: #f59e0b; color: #fcd34d; }
.signal-callout-success { border-left-color: #43e97b; color: #86efac; }
.signal-callout-tip     { border-left-color: #a855f7; color: #d8b4fe; }

/* ═══ Pros / Cons ══════════════════════════════════════════ */
.signal-pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1em;
  margin: 1.75em 0;
}
@media (max-width: 600px) {
  .signal-pros-cons { grid-template-columns: 1fr; }
}

.signal-pros,
.signal-cons {
  padding: 1.25em 1.35em;
  border-radius: var(--signal-radius);
  background: rgba(255,255,255,.04);
}
.signal-pros { border: 1px solid rgba(67,233,123,.25); }
.signal-cons { border: 1px solid rgba(248,113,113,.25); }

.signal-pros h4,
.signal-cons h4 {
  margin: 0 0 .8em;
  font-size: 1.05em;
  font-weight: 700;
  display: flex; align-items: center; gap: .4em;
}
.signal-pros h4 { color: #43e97b; }
.signal-cons h4 { color: #f87171; }

.signal-pros ul, .signal-cons ul {
  margin: 0; padding-left: 1.2em; list-style: none;
}
.signal-pros li, .signal-cons li {
  position: relative;
  margin: .45em 0;
  line-height: 1.55;
  font-size: .95em;
  padding-left: .2em;
}
.signal-pros li { color: #a7f3d0; }
.signal-pros li::before { content: '✓'; position: absolute; left: -1.2em; color: #43e97b; font-weight: 700; }
.signal-cons li { color: #fecaca; }
.signal-cons li::before { content: '✕'; position: absolute; left: -1.2em; color: #f87171; font-weight: 700; }

/* ═══ Code-блоки ════════════════════════════════════════════ */
.signal-code-block {
  margin: 1.75em 0;
  border-radius: var(--signal-radius);
  overflow: hidden;
  background: var(--signal-code-bg);
  border: 1px solid rgba(124,111,255,.2);
  box-shadow: 0 4px 20px rgba(0,0,0,.4), 0 0 0 1px rgba(124,111,255,.05);
}

.signal-code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .55em 1.1em;
  background: var(--signal-code-header-bg);
  border-bottom: 1px solid rgba(124,111,255,.15);
}

.signal-code-lang {
  color: #7c6fff;
  font-size: .8em;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 600;
  font-family: -apple-system, system-ui, sans-serif;
}

.signal-code-copy {
  background: rgba(124,111,255,.12);
  color: #9d95ff;
  border: 1px solid rgba(124,111,255,.2);
  padding: .3em .8em;
  border-radius: 5px;
  cursor: pointer;
  font-size: .8em;
  font-family: inherit;
  transition: all .2s;
  line-height: 1.4;
}
.signal-code-copy:hover { background: rgba(124,111,255,.25); color: #fff; border-color: #7c6fff; }
.signal-code-copy.signal-copied { background: rgba(67,233,123,.15); border-color: #43e97b; color: #43e97b; }

.signal-code-block pre {
  margin: 0;
  padding: 1.1em 1.25em;
  overflow-x: auto;
  background: transparent;
  color: var(--signal-code-text);
  font-family: 'Menlo','Monaco','Consolas','Courier New',monospace;
  font-size: .91em;
  line-height: 1.6;
}
.signal-code-block code {
  background: transparent; padding: 0;
  color: inherit; font-family: inherit; font-size: inherit;
}

/* Inline-код */
p code, li code {
  background: rgba(124,111,255,.15);
  color: #b0a8ff;
  padding: .15em .42em;
  border-radius: 4px;
  font-family: 'Menlo','Monaco','Consolas',monospace;
  font-size: .88em;
  border: 1px solid rgba(124,111,255,.2);
}