/* ============================================================
   FORMS.CSS — 100dicas.com.br
   Formulários, inputs, upload, validação e feedback
   ============================================================ */

/* ── Wrapper do formulário ───────────────────────────────── */
.form-wrapper {
  max-width: 560px;
  margin: 0 auto;
}

.form-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* ── Grupos de campo ─────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.form-group:last-of-type {
  margin-bottom: 0;
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.form-label span {
  color: var(--color-accent);
  margin-left: 2px;
}

/* ── Inputs e Textarea ───────────────────────────────────── */
.form-input,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: rgba(255, 255, 255, 0.07);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-main);
  font-size: var(--font-size-base);
  font-weight: 400;
  line-height: 1.5;
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: rgba(184, 202, 237, 0.5);
}

.form-input:hover,
.form-textarea:hover {
  border-color: rgba(240, 244, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
  background: rgba(255, 215, 0, 0.05);
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.12);
}

.form-input.error,
.form-textarea.error {
  border-color: #FF6B6B;
  background: rgba(255, 107, 107, 0.06);
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

.form-input.success,
.form-textarea.success {
  border-color: #4ADE80;
  background: rgba(74, 222, 128, 0.05);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* ── Mensagens de validação ──────────────────────────────── */
.form-error {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-xs);
  color: #FF6B6B;
  font-weight: 500;
  margin-top: var(--space-xs);
  animation: fadeInUp 0.2s ease both;
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* ── Área de Upload ──────────────────────────────────────── */
.upload-area {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-3xl) var(--space-xl);
  background: rgba(255, 255, 255, 0.05);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  min-height: 200px;
}

.upload-area:hover {
  border-color: rgba(255, 215, 0, 0.5);
  background: rgba(255, 215, 0, 0.04);
}

.upload-area.dragover {
  border-color: var(--color-accent);
  background: rgba(255, 215, 0, 0.08);
  transform: scale(1.01);
}

.upload-area.has-file {
  border-color: #4ADE80;
  border-style: solid;
  background: rgba(74, 222, 128, 0.06);
}

.upload-area.error {
  border-color: #FF6B6B;
  background: rgba(255, 107, 107, 0.06);
}

/* Input file oculto */
.upload-area input[type="file"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}

.upload-icon {
  width: 48px;
  height: 48px;
  opacity: 0.7;
  transition: opacity var(--transition-fast), transform var(--transition-base);
}

.upload-area:hover .upload-icon {
  opacity: 1;
  transform: translateY(-4px);
}

.upload-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text);
}

.upload-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.upload-rules {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--space-sm);
}

.upload-rule {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.06);
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

/* Preview do arquivo selecionado */
.file-preview {
  display: none;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.3);
  border-radius: var(--radius-md);
  margin-top: var(--space-md);
  animation: fadeInUp 0.3s ease both;
}

.file-preview.visible {
  display: flex;
}

.file-preview__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.file-preview__info {
  flex: 1;
  min-width: 0;
}

.file-preview__name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-preview__size {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.file-preview__remove {
  background: rgba(255, 107, 107, 0.15);
  color: #FF6B6B;
  border: none;
  border-radius: var(--radius-full);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.file-preview__remove:hover {
  background: rgba(255, 107, 107, 0.3);
}

/* ── Barra de progresso de upload ────────────────────────── */
.upload-progress {
  display: none;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  animation: fadeIn 0.3s ease both;
}

.upload-progress.visible {
  display: flex;
}

.upload-progress__label {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.upload-progress__bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.upload-progress__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), #FFA500);
  border-radius: var(--radius-full);
  width: 0%;
  transition: width 0.3s ease;
}

/* ── Botão de envio ──────────────────────────────────────── */
.form-submit {
  width: 100%;
  margin-top: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.form-submit .btn {
  width: 100%;
  padding: 1rem;
  font-size: var(--font-size-md);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.form-submit .btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Spinner no botão */
.btn-spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(13, 27, 62, 0.3);
  border-top-color: var(--color-text-dark);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn-spinner.visible {
  display: block;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Mensagem de sucesso ─────────────────────────────────── */
.success-message {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-lg);
  padding: var(--space-3xl) var(--space-xl);
  animation: fadeInUp 0.5s ease both;
}

.success-message.visible {
  display: flex;
}

.success-icon {
  width: 72px;
  height: 72px;
  background: rgba(74, 222, 128, 0.15);
  border: 2px solid rgba(74, 222, 128, 0.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  animation: pulse 2s ease infinite;
}

.success-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
}

.success-description {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  max-width: 380px;
  line-height: 1.75;
}

/* ── Painel Admin — Tabela ───────────────────────────────── */
.admin-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.admin-table thead {
  background: rgba(255, 255, 255, 0.08);
}

.admin-table th {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  white-space: nowrap;
  border-bottom: 1px solid var(--color-border);
}

.admin-table td {
  padding: var(--space-md) var(--space-lg);
  color: var(--color-text);
  border-bottom: 1px solid rgba(240, 244, 255, 0.06);
  vertical-align: middle;
}

.admin-table tbody tr {
  transition: background var(--transition-fast);
}

.admin-table tbody tr:hover {
  background: var(--color-bg-card);
}

.admin-table tbody tr:last-child td {
  border-bottom: none;
}

/* ── Login Admin ─────────────────────────────────────────── */
.admin-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
}

.admin-login__card {
  width: 100%;
  max-width: 400px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  backdrop-filter: blur(12px);
  text-align: center;
}

.admin-login__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.admin-login__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
}

/* ── Responsividade forms ────────────────────────────────── */
@media (max-width: 768px) {
  .form-card {
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
  }

  .upload-area {
    padding: var(--space-2xl) var(--space-lg);
    min-height: 160px;
  }

  .upload-rules {
    gap: var(--space-sm);
  }

  .admin-table th,
  .admin-table td {
    padding: var(--space-sm) var(--space-md);
  }
}

@media (max-width: 480px) {
  .form-card {
    padding: var(--space-lg);
  }

  .success-message {
    padding: var(--space-xl) var(--space-md);
  }
}