/* Layout do admin */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.login-form {
  background: #fff;
  border-radius: 10px;
  padding: 2rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.12);
}

.login-form h2 {
  margin-bottom: 1rem;
  color: #2c3e50;
}

.login-form input {
  width: 100%;
  padding: 0.75rem;
  margin: 0.5rem 0 1rem;
  border: 1px solid #ddd;
  border-radius: 6px;
}

.login-form button {
  width: 100%;
  padding: 0.75rem;
  border: 0;
  border-radius: 6px;
  background: #3498db;
  color: #fff;
  cursor: pointer;
}

.login-form button:hover {
  background: #2980b9;
}

.error-message {
  margin-top: 0.75rem;
  color: #e74c3c;
  min-height: 1.2em;
}

/* Header do admin */
.admin-header {
  background: #2c3e50;
  color: #ecf0f1;
  padding: 1rem 10%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logout-btn {
  background: #e74c3c;
  border: 0;
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 6px;
  cursor: pointer;
}

.logout-btn:hover {
  background: #c0392b;
}

/* ALTERAÇÃO PEDIDA: margens laterais de 10% no conteúdo do admin */
.admin-content {
  padding-left: 10%;
  padding-right: 10%;
  padding-top: 1.5rem;
  padding-bottom: 2rem;
}

/* Formulário */
.ad-form {
  background: #fff;
  border-radius: 10px;
  padding: 1.5rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-weight: bold;
  margin-bottom: 0.35rem;
  color: #2c3e50;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 6px;
}

#add-btn {
  background: #27ae60;
  border: 0;
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  cursor: pointer;
}

#add-btn:hover {
  background: #1e874b;
}

/* Grid admin */
.admin-ads-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.admin-ad-card {
  background: #fff;
  border-radius: 10px;
  padding: 1rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  position: relative;
}

.admin-ad-card .ad-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 0.75rem;
}

.delete-btn {
  position: absolute;
  top: 8px;
  right: 10px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 0;
  background: rgba(231, 76, 60, 0.95);
  color: #fff;
  cursor: pointer;
  font-size: 18px;
  line-height: 32px;
}

.delete-btn:hover {
  background: rgba(192, 57, 43, 0.95);
}

/* Responsivo: em telas pequenas, 10% pode apertar demais */
@media (max-width: 768px) {
  .admin-header {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .admin-content {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}