*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', sans-serif;
  background: #f4f6f8;
  color: #1a1a1a;
  min-height: 100vh;
}

/* HEADER */
header {
  background: #24483e;
  padding: 0.75rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.logo-ico { height: 40px; }
.wordmark { display: flex; flex-direction: column; }
.wm-title { color: #fff; font-weight: 700; font-size: 1rem; letter-spacing: 1px; }
.wm-sub { color: #a8c5bb; font-size: 0.72rem; }
.nav-actions { display: flex; gap: 0.5rem; }
.btn-ghost {
  color: #fff;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 6px;
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
  text-decoration: none;
  transition: background 0.2s;
}
.btn-ghost:hover { background: rgba(255,255,255,0.15); }

/* LAYOUT */
.container { max-width: 960px; margin: 0 auto; padding: 1.5rem; }

.page-title {
  font-size: 1.6rem;
  color: #24483e;
  margin-bottom: 1.25rem;
}

/* STATS */
.stats-bar {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.stat-card {
  background: #fff;
  border-radius: 10px;
  padding: 0.9rem 1.4rem;
  text-align: center;
  min-width: 110px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  border-left: 4px solid #bbb;
}
.stat-card.nao-lida { border-left-color: #e07b00; }
.stat-card.lida { border-left-color: #24483e; }
.stat-num { display: block; font-size: 1.8rem; font-weight: 700; color: #24483e; }
.stat-label { font-size: 0.8rem; color: #666; }

/* FILTROS */
.filtros {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  align-items: center;
}
.filtros select {
  padding: 0.5rem 0.75rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 0.9rem;
  background: #fff;
  cursor: pointer;
}
.btn-filtrar {
  padding: 0.5rem 1.1rem;
  background: #24483e;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-filtrar:hover { background: #1a3530; }

/* LISTA DE MENSAGENS */
.carregando { color: #666; text-align: center; padding: 2rem; }
.vazio { color: #666; text-align: center; padding: 2rem; font-style: italic; }

.msg-card {
  background: #fff;
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  cursor: pointer;
  border-left: 4px solid #24483e;
  transition: box-shadow 0.15s, transform 0.15s;
}
.msg-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.12); transform: translateY(-1px); }
.msg-card.nao-lida { border-left-color: #e07b00; background: #fffaf4; }

.msg-indicador {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ccc;
  flex-shrink: 0;
  margin-top: 5px;
}
.msg-card.nao-lida .msg-indicador { background: #e07b00; }

.msg-corpo { flex: 1; min-width: 0; }
.msg-cabecalho {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 0.25rem;
}
.msg-nome { font-weight: 600; font-size: 0.95rem; }
.msg-badge {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 20px;
  background: #e8f0ee;
  color: #24483e;
  white-space: nowrap;
}
.msg-data { font-size: 0.78rem; color: #888; margin-left: auto; white-space: nowrap; }
.msg-preview {
  font-size: 0.85rem;
  color: #555;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* MODAL */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1rem;
}
.modal-overlay.hidden { display: none; }

.modal {
  background: #fff;
  border-radius: 12px;
  padding: 2rem;
  max-width: 560px;
  width: 100%;
  position: relative;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  max-height: 90vh;
  overflow-y: auto;
}
.modal-fechar {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: #666;
  line-height: 1;
}
.modal-fechar:hover { color: #c00; }
.modal-tipo {
  font-size: 0.78rem;
  color: #24483e;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.4rem;
}
.modal-nome { font-size: 1.2rem; color: #1a1a1a; margin-bottom: 0.3rem; }
.modal-email { font-size: 0.85rem; color: #555; margin-bottom: 0.2rem; }
.modal-data { font-size: 0.78rem; color: #888; margin-bottom: 1rem; }
.modal hr { border: none; border-top: 1px solid #eee; margin-bottom: 1rem; }
.modal-mensagem { font-size: 0.95rem; line-height: 1.6; color: #333; white-space: pre-wrap; margin-bottom: 1.5rem; }

.secao-responder { margin-bottom: 1.25rem; }
.secao-responder label { display: block; font-size: 0.88rem; font-weight: 600; color: #333; margin-bottom: 0.4rem; }
.secao-responder textarea {
  width: 100%;
  border: 1px solid #ccc;
  border-radius: 6px;
  padding: 0.6rem 0.75rem;
  font-size: 0.9rem;
  font-family: inherit;
  resize: vertical;
  transition: border-color 0.2s;
}
.secao-responder textarea:focus { outline: none; border-color: #24483e; }
#resposta-status { font-size: 0.85rem; margin: 0.4rem 0; min-height: 1.2em; }
.btn-enviar-resposta {
  padding: 0.5rem 1.2rem;
  background: #24483e;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s;
  margin-top: 0.5rem;
}
.btn-enviar-resposta:hover { background: #1a3530; }
.btn-enviar-resposta:disabled { background: #8aad9f; cursor: not-allowed; }

.resposta-enviada {
  background: #eaf4ef;
  border: 1px solid #b2d8c7;
  border-radius: 6px;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
}
.resposta-enviada.hidden { display: none; }
.resposta-label { font-size: 0.78rem; color: #24483e; font-weight: 600; margin-bottom: 0.3rem; }
.resposta-texto { font-size: 0.88rem; color: #333; white-space: pre-wrap; }

.modal-acoes { display: flex; gap: 0.75rem; justify-content: flex-end; flex-wrap: wrap; }
.btn-lida, .btn-excluir {
  padding: 0.5rem 1.1rem;
  border: none;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-lida { background: #24483e; color: #fff; }
.btn-lida:hover { background: #1a3530; }
.btn-excluir { background: #c0392b; color: #fff; }
.btn-excluir:hover { background: #96281b; }

@media (max-width: 600px) {
  .stats-bar { gap: 0.5rem; }
  .stat-card { min-width: 80px; padding: 0.6rem 0.9rem; }
  .msg-data { display: none; }
}

@media (max-width: 480px) {
  header { padding: 0.5rem 1rem; }
  .navbar { flex-wrap: wrap; gap: 0.5rem; }
  .container { padding: 0.75rem; }
  .stat-card { min-width: unset; width: 100%; }
}