:root {
    --bg-overlay: rgba(0, 0, 0, 0.75);
    --card-bg: #ffffff;
    --card-border: #d4d7dc;
    --text: #222222;
    --muted: #777;
    --accent: #cc8a00;
    --btn: #128c7e;
    --btn-hover: #25d366;
    --destaque: #f5c26b;
    --radius: 14px;
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  }

  .leadwhats-overlay {
    position: fixed; inset: 0;
    background: var(--bg-overlay);
    display: none; z-index: 9997;
  }

  .leadwhats-modal {
    position: fixed; inset: 0;
    display: none; /* será ativado com fadeIn */
    align-items: center; justify-content: center;
    padding: 24px;
    display: flex; /* necessário para centralizar */
    z-index: 9998;
  }

  .leadwhats-card {
    width: 100%; max-width: 520px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    color: var(--text);
    overflow: hidden;
  }

  .leadwhats-header {
    position: relative;
    padding: 20px 20px 10px 20px;
  }

  .leadwhats-close {
    position: absolute; top: 12px; right: 12px;
    width: 34px; height: 34px;
    border: 1px solid var(--card-border);
    border-radius: 999px;
    background: white; color: var(--muted);
    font-size: 18px; line-height: 1;
    display: grid; place-items: center;
    cursor: pointer;
  }
  .leadwhats-close:hover { color: #000; border-color: #aaa; }

  .leadwhats-greeter {
    display: flex; grid-template-columns: 56px 1fr; gap: 12px;
    background: #f9f9f9;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 10px 12px;
  }
  .leadwhats-avatar {
    width: 56px; height: 56px;
    object-fit: cover;
  }
  .leadwhats-bubble {
    font-size: 14px; line-height: 1.35; color: var(--text);
  }

  .leadwhats-badge {
    margin: 14px 20px 0 20px;
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
    border-radius: 10px;
    text-align: center;
    font-weight: 700;
    padding: 8px 12px;
    letter-spacing: .3px;
  }

  .leadwhats-body {
    padding: 5px 20px 20px 20px;
  }

  .leadwhats-label {
    display: block;
    margin: 14px 0 6px;
    font-weight: 600; color: var(--text);
    font-size: 14px;
  }

  .leadwhats-input {
    width: 100%;
    background: #ffffff;
    border: 1px solid #cfd4da;
    color: #222;
    border-radius: 10px;
    padding: 12px 12px;
    outline: none;
    transition: .2s border-color;
  }
  .leadwhats-input::placeholder { color: #999; }
  .leadwhats-input:focus { border-color: #1a73e8; }

  .leadwhats-error {
    display: none; margin-top: 8px; font-size: 12px;
    color: #d93025;
  }

  .leadwhats-btn {
    width: 100%;
    margin-top: 18px;
    background: var(--btn);
    color: #fff;
    font-weight: 800;
    border: none; border-radius: 12px;
    padding: 14px 16px;
    cursor: pointer; letter-spacing: .3px;
    transition: background .2s, transform .02s;
  }
  .leadwhats-btn:hover { background: var(--btn-hover); }
  .leadwhats-btn:active { transform: translateY(1px); }
  .leadwhats-btn:disabled { opacity: 0.3; }

  .open-demo {
    position: fixed; bottom: 20px; right: 20px;
    background: #2c7a7b; color: #fff;
    border: 0; padding: 10px 14px; border-radius: 8px;
    cursor: pointer; z-index: 1;
  }

  @media (max-width: 420px) {
    .leadwhats-bubble { font-size: 13px; }
  }