:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --border: #e0e2e7;
  --text: #1a1d23;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --danger: #dc2626;
  --escalated: #f59e0b;
  --radius: 8px;
}

* { box-sizing: border-box; }

/* Blindagem: qualquer classe abaixo que defina `display` (ex: .modal,
   .login-view usam display:flex) empata em especificidade com a regra
   padrão do navegador pro atributo `hidden` — e nesse empate, a regra daqui
   vencia, fazendo elementos com `hidden` continuarem visíveis (foi
   exatamente o bug do modal de QR aparecer sempre, mesmo sem clique nenhum).
   `!important` aqui garante que `hidden` sempre esconde de verdade,
   independente de qualquer `display` definido depois no arquivo. */
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.muted { color: var(--muted); }
.error-text { color: var(--danger); }
.saved-text { color: #059669; }
.center-msg { text-align: center; padding: 2rem; }

/* Toast: fixo na tela, sempre visível mesmo se o formulário for maior que a
   tela e o usuário estiver com scroll longe do botão que acabou de clicar —
   a mensagem "Salvo." dentro do form dependia do scroll pra ser vista. */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  background: #059669;
  color: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  font-size: 0.95rem;
}
.toast.error { background: var(--danger); }

button {
  cursor: pointer;
  font-family: inherit;
}

/* ---------- Login ---------- */
.login-view {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.login-card h1 { margin: 0; font-size: 1.4rem; }
.login-card label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.9rem; }
.login-card input {
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
}
.login-card button {
  margin-top: 0.5rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 0.6rem;
  font-size: 1rem;
}
.login-card button:hover { background: var(--primary-dark); }

/* ---------- Layout geral ---------- */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 0.75rem; }

.link-btn {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 0.9rem;
  padding: 0;
}
.link-btn:hover { text-decoration: underline; }

.secondary-btn {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
}
.secondary-btn:hover { background: var(--bg); }

.tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0 1.25rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.tab-btn {
  background: none;
  border: none;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  color: var(--muted);
  border-bottom: 2px solid transparent;
}
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

.content { padding: 1.25rem; max-width: 1100px; margin: 0 auto; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

select, input[type="text"], input[type="email"], input[type="number"], input[type="password"], textarea {
  padding: 0.45rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: inherit;
  width: 100%;
}

/* ---------- Conversas ---------- */
.split { display: flex; gap: 1rem; height: calc(100vh - 160px); }
.conv-list-pane {
  width: 300px;
  flex-shrink: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.pane-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem;
  border-bottom: 1px solid var(--border);
}
.pane-header select { width: auto; }
.conv-list { list-style: none; margin: 0; padding: 0; overflow-y: auto; flex: 1; }
.conv-list li {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  font-size: 0.88rem;
}
.conv-list li:hover { background: var(--bg); }
.conv-list li.selected { background: #eef2ff; }
.conv-list .phone { font-weight: 600; display: block; }

.conv-thread-pane {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.thread-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.9rem;
  border-bottom: 1px solid var(--border);
}
.thread-messages {
  flex: 1;
  overflow-y: auto;
  padding: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.msg {
  max-width: 70%;
  padding: 0.5rem 0.75rem;
  border-radius: 10px;
  font-size: 0.9rem;
  white-space: pre-wrap;
}
.msg.inbound { align-self: flex-start; background: var(--bg); }
.msg.outbound { align-self: flex-end; background: #dbeafe; }
.msg .meta { display: block; font-size: 0.7rem; color: var(--muted); margin-top: 0.2rem; }
.thread-reply {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem;
  border-top: 1px solid var(--border);
}
.thread-reply textarea { flex: 1; resize: vertical; }
.thread-reply button {
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 0 1rem;
}

.badge {
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: #e5e7eb;
}
.badge.escalated { background: #fef3c7; color: #92400e; }
.badge.open { background: #dcfce7; color: #166534; }

/* ---------- Formulários ---------- */
.form-card, .inline-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  max-width: 640px;
}
.form-card label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.9rem; }
.form-card label.row { flex-direction: row; align-items: center; gap: 0.5rem; }
.form-card fieldset { border: 1px solid var(--border); border-radius: 6px; padding: 0.75rem; display: flex; flex-direction: column; gap: 0.5rem; }
.form-card legend { font-weight: 600; font-size: 0.9rem; padding: 0 0.3rem; }
.form-card button[type="submit"] {
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 0.6rem;
  font-size: 0.95rem;
  align-self: flex-start;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}
.form-card button[type="submit"]:hover { background: var(--primary-dark); }

.hours-grid { display: flex; flex-direction: column; gap: 0.4rem; }
.hours-row { display: flex; align-items: center; gap: 0.5rem; font-size: 0.88rem; }
.hours-row .day-label { width: 36px; font-weight: 600; }
.hours-row input[type="time"] { width: 110px; }

.dynamic-list { display: flex; flex-direction: column; gap: 0.4rem; }
.dynamic-row { display: flex; gap: 0.4rem; align-items: flex-start; }
.dynamic-row input, .dynamic-row textarea { flex: 1; }
.dynamic-row .remove-btn { color: var(--danger); background: none; border: none; font-size: 1.1rem; padding: 0.3rem; }

.inline-form { flex-direction: row; align-items: center; max-width: none; }
.inline-form input { flex: 1; }
.inline-form button {
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 0.5rem 1rem;
  white-space: nowrap;
}

/* ---------- Tabelas / listas ---------- */
.metrics-table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.metrics-table th, .metrics-table td { padding: 0.5rem 0.75rem; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.88rem; }
.metrics-table th { background: var(--bg); }

.tenants-list { list-style: none; margin: 1rem 0 0; padding: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.tenants-list li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.tenants-list .tenant-name { font-weight: 600; }
.tenants-list .tenant-actions { display: flex; gap: 0.5rem; }

/* ---------- Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
}
.modal-card img { width: 260px; height: 260px; }

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181d;
    --card: #1f2229;
    --border: #2d3138;
    --text: #e5e7eb;
    --muted: #9ca3af;
  }
  .msg.inbound { background: #2a2e37; }
  .msg.outbound { background: #1e3a5f; }
  .conv-list li.selected { background: #1e2740; }
  .badge { background: #2d3138; }
  .badge.escalated { background: #4a3a1a; color: #fbbf24; }
  .badge.open { background: #1a3a2a; color: #4ade80; }
}