/* PAGE HERO */
      .qa-hero {
        padding: 9rem 2rem 4rem;
        text-align: center;
        background: #ffffff;
        border-bottom: 1px solid var(--border);
      }
      .qa-hero-inner { max-width: 720px; margin: 0 auto; }
      .qa-hero h1 {
        font-family: 'DM Serif Display', serif;
        font-size: clamp(2.4rem, 5vw, 4rem);
        line-height: 1.1;
        letter-spacing: -0.02em;
        color: var(--ink);
        margin-bottom: 1rem;
      }
      .qa-hero h1 em { font-style: italic; color: var(--accent); }
      .qa-hero-sub {
        font-size: 1.05rem;
        color: var(--ink3);
        max-width: 560px;
        margin: 0 auto 0.75rem;
        line-height: 1.7;
      }
      .qa-how {
        font-family: 'JetBrains Mono', monospace;
        font-size: 0.72rem;
        color: var(--muted);
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        flex-wrap: wrap;
        margin-top: 1.25rem;
      }
      .qa-how-step {
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
        background: var(--bg2);
        border: 1px solid var(--border);
        border-radius: 100px;
        padding: 0.25rem 0.75rem;
      }
      .qa-how-step svg { width: 11px; height: 11px; stroke: var(--blue-mid); }
      .qa-how-arrow { color: var(--border2); font-size: 0.9rem; }

      /* SEARCH SECTION */
      .qa-search-section {
        background: var(--bg2);
        border-bottom: 1px solid var(--border);
        padding: 3rem 2rem;
      }
      .qa-search-wrap { max-width: 720px; margin: 0 auto; }

      /* AUTOCOMPLETE WRAPPER */
      .qa-input-outer {
        position: relative;
      }
      .qa-input-row {
        display: flex;
        gap: 0.75rem;
        background: var(--surface);
        border: 1.5px solid var(--border2);
        border-radius: 10px;
        padding: 0.5rem;
        box-shadow: var(--shadow);
        transition: border-color 0.2s;
      }
      .qa-input-row:focus-within { border-color: var(--ink); }
      .qa-input {
        flex: 1;
        background: none;
        border: none;
        outline: none;
        font-family: 'DM Sans', sans-serif;
        font-size: 1rem;
        color: var(--ink);
        padding: 0.6rem 0.75rem;
      }
      .qa-input::placeholder { color: var(--muted); }
      .qa-search-btn {
        background: var(--blue-dark);
        color: #ffffff;
        border: none;
        border-radius: 7px;
        padding: 0.7rem 1.5rem;
        font-family: 'DM Sans', sans-serif;
        font-size: 0.9rem;
        font-weight: 600;
        cursor: pointer;
        transition: background 0.2s;
        white-space: nowrap;
      }
      .qa-search-btn:hover:not(:disabled) { background: var(--blue-deepest); }
      .qa-search-btn:disabled { opacity: 0.5; cursor: not-allowed; }

      /* AUTOCOMPLETE DROPDOWN */
      .qa-suggestions {
        display: none;
        position: absolute;
        top: calc(100% + 4px);
        left: 0; right: 0;
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: 10px;
        box-shadow: var(--shadow-lg);
        z-index: 100;
        overflow: hidden;
      }
      .qa-suggestions.open { display: block; }
      .qa-suggestion-item {
        display: flex;
        align-items: center;
        gap: 0.6rem;
        padding: 0.65rem 1rem;
        font-size: 0.92rem;
        color: var(--ink3);
        cursor: pointer;
        transition: background 0.12s;
        border-bottom: 1px solid var(--border);
      }
      .qa-suggestion-item:last-child { border-bottom: none; }
      .qa-suggestion-item:hover, .qa-suggestion-item.active { background: var(--bg2); color: var(--ink); }
      .qa-suggestion-item svg { width: 13px; height: 13px; stroke: var(--muted); flex-shrink: 0; }

      /* RATE LIMIT INFO */
      .qa-rate-info {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-top: 0.75rem;
        flex-wrap: wrap;
        gap: 0.5rem;
      }
      .qa-rate-counter {
        font-family: 'JetBrains Mono', monospace;
        font-size: 0.72rem;
        color: var(--muted);
        display: flex;
        align-items: center;
        gap: 0.4rem;
      }
      .qa-rate-dots {
        display: flex;
        gap: 3px;
      }
      .qa-rate-dot {
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: var(--border2);
        transition: background 0.3s;
      }
      .qa-rate-dot.used { background: var(--blue-dark); }
      .qa-rate-hint {
        font-family: 'JetBrains Mono', monospace;
        font-size: 0.68rem;
        color: var(--muted);
      }

      /* LOADING */
      .qa-loading {
        display: none;
        text-align: center;
        padding: 3rem 0;
      }
      .qa-loading.active { display: block; }
      .qa-loading-steps {
        display: flex;
        flex-direction: column;
        gap: 0.35rem;
        font-family: 'JetBrains Mono', monospace;
        font-size: 0.8rem;
        margin-top: 1.25rem;
      }
      .qa-loading-step { color: var(--muted); }
      .qa-loading-step.active { color: var(--ink); }
      .qa-loading-step.done { color: var(--accent2); }
      .qa-loading-step.done::before { content: '✓ '; }

      /* ERROR */
      .qa-error {
        display: none;
        align-items: flex-start;
        gap: 0.75rem;
        background: #fef2f2;
        border: 1px solid #fecaca;
        border-radius: 8px;
        padding: 1rem 1.25rem;
        margin-top: 1.25rem;
        font-size: 0.92rem;
        color: #991b1b;
      }
      .qa-error.active { display: flex; }

      /* RESULTS SECTION */
      .qa-results-section {
        display: none;
        padding: 3rem 2rem 5rem;
        background: var(--bg);
      }
      .qa-results-section.active { display: block; }
      .qa-results-wrap { max-width: 720px; margin: 0 auto; }

      /* RESULTS HEADER */
      .qa-results-header {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: 1rem;
        margin-bottom: 2rem;
        flex-wrap: wrap;
      }
      .qa-results-keyword {
        font-family: 'DM Serif Display', serif;
        font-size: 1.5rem;
        color: var(--ink);
        margin-bottom: 0.25rem;
      }
      .qa-results-meta {
        font-family: 'JetBrains Mono', monospace;
        font-size: 0.72rem;
        color: var(--muted);
        display: flex;
        align-items: center;
        gap: 0.5rem;
      }
      .qa-results-meta-dot {
        width: 4px; height: 4px;
        background: var(--border2);
        border-radius: 50%;
      }
      .qa-copy-all-btn {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        background: transparent;
        border: 1px solid var(--border2);
        border-radius: 7px;
        padding: 0.5rem 1rem;
        font-family: 'DM Sans', sans-serif;
        font-size: 0.82rem;
        font-weight: 500;
        color: var(--ink3);
        cursor: pointer;
        transition: border-color 0.2s, color 0.2s;
        flex-shrink: 0;
      }
      .qa-copy-all-btn:hover { border-color: var(--blue-dark); color: var(--blue-dark); }
      .qa-copy-all-btn.copied { border-color: var(--blue-mid); color: var(--blue-mid); }
      .qa-copy-all-btn svg { width: 14px; height: 14px; stroke: currentColor; }

      /* GROUP CARDS */
      .qa-groups { display: flex; flex-direction: column; gap: 1.25rem; }

      .qa-group-card {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow);
        animation: qaFadeIn 0.4s ease both;
      }

      @keyframes qaFadeIn {
        from { opacity: 0; transform: translateY(10px); }
        to { opacity: 1; transform: translateY(0); }
      }

      .qa-group-header {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        padding: 1rem 1.25rem;
        background: var(--surface2);
        border-bottom: 1px solid var(--border);
      }
      .qa-group-icon {
        width: 32px; height: 32px;
        border-radius: 8px;
        background: var(--bg2);
        border: 1px solid var(--border);
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
      }
      .qa-group-icon svg { width: 14px; height: 14px; stroke: var(--blue-dark); }
      .qa-group-theme {
        font-weight: 600;
        font-size: 0.92rem;
        color: var(--ink);
        flex: 1;
      }
      .qa-group-count {
        font-family: 'JetBrains Mono', monospace;
        font-size: 0.68rem;
        color: var(--muted);
        background: var(--bg2);
        border: 1px solid var(--border);
        padding: 0.15rem 0.5rem;
        border-radius: 100px;
      }

      .qa-questions-list { padding: 0.5rem 0; }
      .qa-question-item {
        display: flex;
        align-items: flex-start;
        gap: 0.75rem;
        padding: 0.75rem 1.25rem;
        border-bottom: 1px solid var(--border);
        transition: background 0.12s;
      }
      .qa-question-item:last-child { border-bottom: none; }
      .qa-question-item:hover { background: var(--bg2); }
      .qa-question-bullet {
        width: 20px; height: 20px;
        border-radius: 50%;
        background: rgba(0,119,182,0.08);
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        margin-top: 2px;
        font-family: 'JetBrains Mono', monospace;
        font-size: 0.6rem;
        color: var(--blue-dark);
        font-weight: 600;
      }
      .qa-question-text {
        flex: 1;
        font-size: 0.95rem;
        color: var(--ink2);
        line-height: 1.5;
      }
      .qa-question-copy {
        background: none;
        border: none;
        cursor: pointer;
        color: var(--muted);
        padding: 2px 4px;
        border-radius: 4px;
        transition: color 0.15s, background 0.15s;
        flex-shrink: 0;
        opacity: 0;
        transition: opacity 0.15s;
      }
      .qa-question-item:hover .qa-question-copy { opacity: 1; }
      .qa-question-copy:hover { color: var(--blue-dark); background: var(--bg2); }
      .qa-question-copy svg { width: 13px; height: 13px; stroke: currentColor; display: block; }

      /* CONTENT BRIEF CARD */
      .qa-brief-card {
        background: var(--surface);
        border: 1px solid var(--border);
        border-left: 3px solid var(--blue-mid);
        border-radius: var(--radius);
        padding: 1.25rem 1.5rem;
        margin-top: 1.5rem;
        box-shadow: var(--shadow);
      }
      .qa-brief-title {
        font-family: 'DM Serif Display', serif;
        font-size: 1rem;
        color: var(--ink);
        margin-bottom: 0.5rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
      }
      .qa-brief-title svg { width: 16px; height: 16px; stroke: var(--blue-mid); }
      .qa-brief-text {
        font-size: 0.85rem;
        color: var(--ink3);
        line-height: 1.65;
      }
      .qa-brief-actions {
        display: flex;
        gap: 0.5rem;
        margin-top: 1rem;
        flex-wrap: wrap;
      }
      .qa-brief-btn {
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
        background: var(--blue-dark);
        color: #ffffff;
        border: none;
        border-radius: 6px;
        padding: 0.5rem 1rem;
        font-family: 'DM Sans', sans-serif;
        font-size: 0.82rem;
        font-weight: 500;
        cursor: pointer;
        transition: background 0.2s;
        text-decoration: none;
      }
      .qa-brief-btn:hover { background: var(--blue-deepest); }
      .qa-brief-btn svg { width: 13px; height: 13px; stroke: currentColor; }
      .qa-brief-btn-secondary {
        background: transparent;
        color: var(--ink3);
        border: 1px solid var(--border2);
      }
      .qa-brief-btn-secondary:hover { background: var(--bg2); color: var(--ink); }

      /* REDDIT BADGE */
      .qa-source-badge {
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
        font-family: 'JetBrains Mono', monospace;
        font-size: 0.65rem;
        color: var(--muted);
        background: var(--bg2);
        border: 1px solid var(--border);
        border-radius: 4px;
        padding: 0.15rem 0.5rem;
      }
      .qa-source-badge-dot {
        width: 5px; height: 5px;
        background: #ff4500;
        border-radius: 50%;
      }

      /* NEW SEARCH PROMPT */
      .qa-new-search {
        text-align: center;
        margin-top: 2.5rem;
        padding-top: 2rem;
        border-top: 1px solid var(--border);
      }
      .qa-new-search p {
        font-size: 0.88rem;
        color: var(--muted);
        margin-bottom: 0.75rem;
      }
      .qa-new-search-btn {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        background: var(--surface);
        border: 1px solid var(--border2);
        border-radius: 7px;
        padding: 0.55rem 1.1rem;
        font-size: 0.85rem;
        font-weight: 500;
        color: var(--ink3);
        cursor: pointer;
        transition: border-color 0.2s, color 0.2s;
      }
      .qa-new-search-btn:hover { border-color: var(--ink); color: var(--ink); }

      @media (max-width: 768px) {
        .qa-hero { padding: 7rem 1.25rem 3rem; }
        .qa-search-section { padding: 2rem 1.25rem; }
        .qa-results-section { padding: 2rem 1.25rem 4rem; }
        .qa-input-row { flex-direction: column; }
        .qa-search-btn { width: 100%; }
        .qa-how { gap: 0.35rem; }
        .qa-results-header { flex-direction: column; }
        .qa-copy-all-btn { width: 100%; justify-content: center; }
      }