/* ==========================================================================
   FORMULÁRIO DE TRILHAS - MAKER EDUCAÇÃO
   Estilo profissional: azul, branco e preto (sem degradê)
   ========================================================================== */

/* Variáveis de cores */
:root {
  --mkr-primary: #2563eb;       /* Azul profissional */
  --mkr-primary-dark: #1d4ed8;  /* Azul escuro */
  --mkr-bg: #ffffff;            /* Branco */
  --mkr-text: #1f2937;          /* Cinza escuro (quase preto) */
  --mkr-border: #d1d5db;        /* Cinza claro */
  --mkr-shadow: rgba(0, 0, 0, 0.1);
  --mkr-success: #059669;       /* Verde */
  --mkr-error: #dc2626;         /* Vermelho */
  --mkr-warning: #d97706;       /* Amarelo */
  --mkr-bg-light: #f9fafb;      /* Cinza muito claro */
}

/* Container principal */
.mkr-trilhas-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  background: var(--mkr-bg);
  border-radius: 8px;
  box-shadow: 0 4px 6px var(--mkr-shadow);
}

.mkr-trilhas-wrapper h2 {
  color: var(--mkr-primary);
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--mkr-primary);
}

/* Grid system */
.mkr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.mkr-col-2 {
  grid-column: span 2;
}

/* Campos do formulário */
.mkr-field {
  display: flex;
  flex-direction: column;
}

.mkr-field label {
  font-weight: 600;
  color: var(--mkr-text);
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.mkr-field input[type="text"],
.mkr-field input[type="email"],
.mkr-field input[type="password"],
.mkr-field input[type="number"],
.mkr-field select,
.mkr-field textarea {
  padding: 0.75rem 1rem;
  border: 2px solid var(--mkr-border);
  border-radius: 6px;
  font-size: 1rem;
  transition: all 0.2s ease;
  background: var(--mkr-bg);
  color: var(--mkr-text);
}

.mkr-field input[type="text"]:focus,
.mkr-field input[type="email"]:focus,
.mkr-field input[type="password"]:focus,
.mkr-field input[type="number"]:focus,
.mkr-field select:focus,
.mkr-field textarea:focus {
  outline: none;
  border-color: var(--mkr-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.mkr-field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

/* File inputs */
.mkr-field input[type="file"] {
  padding: 0.5rem;
  border: 2px solid var(--mkr-border);
  border-radius: 6px;
  background: var(--mkr-bg-light);
  font-size: 0.875rem;
}

.mkr-field input[type="file"]:focus {
  border-color: var(--mkr-primary);
  outline: none;
}

/* Separador */
.mkr-sep {
  border: none;
  border-top: 2px solid var(--mkr-border);
  margin: 2rem 0;
}

/* Blocos de anexos */
.anexo-bloco {
  background: var(--mkr-bg-light);
  padding: 1.5rem;
  border-radius: 8px;
  border-left: 4px solid var(--mkr-primary);
  margin-bottom: 1.5rem;
}

.anexo-bloco h4 {
  color: var(--mkr-primary);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--mkr-border);
}

/* Arquivo atual */
.mkr-file-current {
  margin-top: 0.5rem;
  padding: 0.5rem;
  background: var(--mkr-bg);
  border: 1px solid var(--mkr-border);
  border-radius: 4px;
  font-size: 0.875rem;
}

.mkr-file-current a {
  color: var(--mkr-primary);
  text-decoration: none;
  font-weight: 500;
}

.mkr-file-current a:hover {
  text-decoration: underline;
}

/* Botões */
.mkr-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--mkr-border);
}

#btn-salvar-trilha {
  background: var(--mkr-primary);
  color: white;
  border: none;
  padding: 0.75rem 2rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

#btn-salvar-trilha:hover {
  background: var(--mkr-primary-dark);
}

#btn-salvar-trilha:disabled {
  background: var(--mkr-border);
  cursor: not-allowed;
}

/* Progresso */
.mkr-progress {
  color: var(--mkr-primary);
  font-weight: 500;
  font-size: 0.875rem;
}

/* Mensagens */
.mkr-msg {
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.875rem;
}

.mkr-msg.ok {
  background: rgba(5, 150, 105, 0.1);
  color: var(--mkr-success);
  border: 1px solid rgba(5, 150, 105, 0.2);
}

.mkr-msg.err {
  background: rgba(220, 38, 38, 0.1);
  color: var(--mkr-error);
  border: 1px solid rgba(220, 38, 38, 0.2);
}

/* Alertas */
.mkr-alert {
  padding: 1rem;
  border-radius: 6px;
  font-weight: 500;
  margin-bottom: 1rem;
}

.mkr-alert-warning {
  background: rgba(217, 119, 6, 0.1);
  color: var(--mkr-warning);
  border: 1px solid rgba(217, 119, 6, 0.2);
}

/* Texto de ajuda */
.mkr-help {
  color: #6b7280;
  font-size: 0.75rem;
  margin-top: 0.25rem;
  font-style: italic;
}

/* Estados de validação */
input:invalid,
select:invalid,
textarea:invalid {
  border-color: var(--mkr-error);
}

input:valid,
select:valid,
textarea:valid {
  border-color: var(--mkr-border);
}

/* Responsividade */
@media (max-width: 768px) {
  .mkr-trilhas-wrapper {
    padding: 1rem;
    margin: 0.5rem;
  }
  
  .mkr-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .mkr-col-2 {
    grid-column: span 1;
  }
  
  .mkr-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .anexo-bloco {
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .mkr-trilhas-wrapper h2 {
    font-size: 1.5rem;
  }
  
  .mkr-field input[type="text"],
  .mkr-field input[type="email"],
  .mkr-field input[type="password"],
  .mkr-field input[type="number"],
  .mkr-field select,
  .mkr-field textarea {
    padding: 0.625rem 0.75rem;
    font-size: 0.875rem;
  }
}

/* Animações suaves */
.mkr-field,
.anexo-bloco,
.mkr-msg {
  transition: all 0.3s ease;
}

/* Foco acessível */
.mkr-field input:focus,
.mkr-field select:focus,
.mkr-field textarea:focus {
  transform: translateY(-1px);
}

/* Estados hover */
.mkr-field input:hover,
.mkr-field select:hover,
.mkr-field textarea:hover {
  border-color: #9ca3af;
}

/* Loading state */
@keyframes mkr-pulse {
  0% { opacity: 1; }
  50% { opacity: 0.5; }
  100% { opacity: 1; }
}

.mkr-progress {
  animation: mkr-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Melhoria para checkboxes/radios (se houver) */
.mkr-field input[type="checkbox"],
.mkr-field input[type="radio"] {
  width: 1.25rem;
  height: 1.25rem;
  margin-right: 0.5rem;
  accent-color: var(--mkr-primary);
}

/* Placeholders */
::placeholder {
  color: #9ca3af;
  opacity: 1;
}

:-ms-input-placeholder {
  color: #9ca3af;
}

::-ms-input-placeholder {
  color: #9ca3af;
}

/* Scrollbar personalizado (Webkit only) */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--mkr-bg-light);
}

::-webkit-scrollbar-thumb {
  background: var(--mkr-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #9ca3af;
}