/* ── Screen 2: Detector + Extension ── */

#screen2 {
    min-height: 100vh;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 80px 0;
  }
  
  .s2__header {
    margin-bottom: 48px;
  }
  
  .s2__label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: block;
  }
  
  .s2__title {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.15;
  }
  
  /* Main two-column layout */
  .s2__grid {
    display: grid;
    grid-template-columns: 440px 540px;
    gap: 24px;
    align-items: start;
  }
  
  /* Left: form */
  .s2__form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 28px;
    width: 100%
  }
  
  .s2__form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 14px;
    width: 100%
  }
  
  .s2__form-grid .field--full {
    grid-column: 1 / -1;
  }
  
  .field label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 6px;
  }
  
  .field input,
  .field textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
    font-size: 0.875rem;
    transition: border-color 0.15s, box-shadow 0.15s;
  }
  
  .field input:focus,
  .field textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(217,74,47,0.08);
  }
  
  .field textarea {
    resize: vertical;
    min-height: 90px;
  }
  
  .s2__form-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 10px;
  }
  
  .s2__form-note {
    font-size: 0.78rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
  }
  .s2__form-note::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--safe);
    display: inline-block;
  }
  
  .s2__right {
    min-width: 0;
    width: 100%;
  }
  
  .s2__tabs {
    width: 100%;
  }
  
  .s2__panel {
    width: 100%;
  }

  .field input {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .s2__examples {
    display: flex;
    gap: 8px;
    margin-top: 14px;
  }
  
  .s2__example-btn {
    font-size: 0.78rem;
    color: var(--text-muted);
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: transparent;
    cursor: pointer;
    transition: all 0.15s;
  }
  .s2__example-btn:hover {
    color: var(--text);
    border-color: var(--border-mid);
    background: var(--bg-subtle);
  }
  
  /* Right: results + extension tabs */
  .s2__right {
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  
  .s2__tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    margin-bottom: 0;
  }
  
  .s2__tab {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 10px 16px;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.15s;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
  }
  .s2__tab:hover { color: var(--text); }
  .s2__tab.active {
    color: var(--text);
    border-bottom-color: var(--accent);
  }
  
  .s2__panel {
    display: none;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 10px 10px;
    min-height: 420px;
  }
  .s2__panel.active { display: block; }
  
  /* Results panel */
  .s2__result-idle {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 420px;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.875rem;
    text-align: center;
    padding: 40px;
  }
  
  .s2__result-idle-icon {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    margin-bottom: 4px;
  }
  
  #result-content { padding: 24px; }
  
  .result__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
  }
  
  .result__verdict {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 6px;
  }
  
  .result__sub {
    font-size: 0.85rem;
    color: var(--text-muted);
  }
  
  .result__ring {
    width: 68px; height: 68px;
    border-radius: 50%;
    border: 3px solid currentColor;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    flex-shrink: 0;
  }
  .result__ring-val  { font-size: 1rem; font-weight: 500; line-height: 1; }
  .result__ring-lbl  { font-size: 0.58rem; opacity: 0.65; }
  .result__ring--safe   { color: var(--safe); }
  .result__ring--warn   { color: var(--warn); }
  .result__ring--danger { color: var(--danger); }
  
  .result__section { margin-bottom: 18px; }
  .result__section-title {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border);
  }
  
  .result__signals { display: flex; flex-wrap: wrap; gap: 6px; }
  
  .signal-chip {
    padding: 3px 9px;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 500;
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid rgba(217,74,47,0.15);
  }
  .signal-chip--none {
    background: var(--bg-subtle);
    color: var(--text-muted);
    border-color: var(--border);
  }
  
  .result__feat-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 5px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.82rem;
  }
  .result__feat-row:last-child { border-bottom: none; }
  .result__feat-name { flex: 1; font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-mid); }
  .result__feat-bar-wrap { width: 72px; height: 3px; background: var(--bg-subtle); border-radius: 99px; }
  .result__feat-bar { height: 100%; border-radius: 99px; background: var(--accent); }
  .result__feat-val { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-muted); width: 36px; text-align: right; }
  
  /* Extension mockup panel */
  .s2__ext-panel {
    padding: 24px;
  }
  
  .ext-mockup-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 14px;
  }
  
  .ext-popup {
    background: #1C1C1E;
    border-radius: 8px;
    overflow: hidden;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    margin-bottom: 14px;
  }
  
  .ext-popup__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid #2C2C2E;
  }
  .ext-popup__name { color: #fff; font-weight: 500; font-size: 0.8rem; }
  .ext-popup__badge {
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 0.67rem;
    letter-spacing: 0.05em;
  }
  .ext-popup__badge--danger { background: rgba(217,74,47,0.2); color: #FF6B50; }
  .ext-popup__badge--safe   { background: rgba(42,122,75,0.2);  color: #5DBF85; }
  
  .ext-popup__rows { padding: 4px 0; }
  .ext-popup__row {
    display: flex;
    justify-content: space-between;
    padding: 6px 14px;
    border-bottom: 1px solid #232325;
  }
  .ext-popup__row:last-child { border-bottom: none; }
  .ext-popup__row-key   { color: #666; }
  .ext-popup__row-val   { color: #E0E0E0; }
  .ext-popup__row-val--danger { color: #FF6B50; }
  .ext-popup__row-val--safe   { color: #5DBF85; }
  
  .ext-popup__signals {
    padding: 8px 14px 10px;
    border-top: 1px solid #2C2C2E;
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
  }
  .ext-signal {
    padding: 2px 7px;
    border-radius: 3px;
    background: rgba(217,74,47,0.15);
    color: #FF6B50;
    font-size: 0.67rem;
  }
  
  .ext-context {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.6;
    border-top: 1px solid var(--border);
    padding-top: 16px;
    margin-top: 4px;
  }
  
  /* Loading spinner */
  @keyframes spin { to { transform: rotate(360deg); } }
  .spinner {
    width: 28px; height: 28px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
  }