/* ============================================================
   COMPONENTS — Estudos CAO
   Botões, cards, formulários, badges, abas, switches,
   progresso, modais, tabelas, alertas, toasts
   ============================================================ */

/* ----------------------------------------------------------
   BOTÕES
   ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 18px;
  height: 40px;
  border-radius: var(--radius-btn);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn i { width: 16px; height: 16px; flex-shrink: 0; }

.btn:disabled, .btn.loading {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primário — fundo preto, hover cáqui escuro */
.btn-primary {
  background: var(--black);
  color: var(--white);
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover { background: var(--khaki-dark); }

/* Secundário — fundo branco, borda cáqui */
.btn-secondary {
  background: var(--white);
  color: var(--black);
  border-color: var(--khaki);
}
.btn-secondary:hover { background: var(--khaki-light); }

/* CTA cáqui — rodapé de sidebar e destaques */
.btn-cta {
  background: var(--khaki);
  color: var(--black);
}
.btn-cta:hover { background: var(--khaki-dark); }

/* Perigo */
.btn-danger {
  background: var(--error-bg);
  color: var(--error-text);
  border-color: var(--error-border);
}
.btn-danger:hover { background: var(--error-border); }

/* Ghost — sem fundo */
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover { background: var(--bg-page); color: var(--text-primary); }

/* Tamanhos */
.btn-sm { height: 32px; padding: 0 12px; font-size: 0.8125rem; }
.btn-sm i { width: 14px; height: 14px; }

.btn-lg { height: 48px; padding: 0 24px; font-size: 0.9375rem; }
.btn-lg i { width: 18px; height: 18px; }

/* Grupo de botões */
.btn-group { display: inline-flex; gap: 8px; flex-wrap: wrap; }

/* ----------------------------------------------------------
   CARDS
   ---------------------------------------------------------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 0;
  gap: 12px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1.1;
}

.card-subtitle {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: 3px;
}

.card-body { padding: 24px; }

.card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  background: var(--bg-page);
}

/* Card compacto (stat/indicador) */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stat-card-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.stat-card-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1;
}

.stat-card-desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* ----------------------------------------------------------
   FORMULÁRIOS
   ---------------------------------------------------------- */
.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-label.required::after {
  content: ' *';
  color: var(--error-text);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-input);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  appearance: none;
}

.form-textarea {
  height: auto;
  min-height: 100px;
  padding: 12px 14px;
  resize: vertical;
  line-height: 1.6;
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--text-secondary); opacity: 0.7; }

.form-input:hover,
.form-select:hover,
.form-textarea:hover { border-color: #C5C5C5; }

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--khaki);
  box-shadow: 0 0 0 3px rgba(195, 176, 145, 0.15);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--error-border);
}

.form-input.error:focus,
.form-select.error:focus,
.form-textarea.error:focus {
  box-shadow: 0 0 0 3px rgba(168, 69, 61, 0.1);
}

/* Select — seta customizada */
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-hint {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.form-error-msg {
  font-size: 0.78rem;
  color: var(--error-text);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Grid de formulário */
.form-row { display: grid; gap: 16px; }
.form-row-2 { grid-template-columns: 1fr 1fr; }
.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }

/* ----------------------------------------------------------
   BADGES / PILLS
   ---------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: var(--radius-badge);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  border: 1px solid transparent;
}

.badge i { width: 11px; height: 11px; }

.badge-success {
  background: var(--success-bg);
  color: var(--success-text);
  border-color: var(--success-border);
}

.badge-warning {
  background: var(--warning-bg);
  color: var(--warning-text);
  border-color: var(--warning-border);
}

.badge-error {
  background: var(--error-bg);
  color: var(--error-text);
  border-color: var(--error-border);
}

.badge-info {
  background: var(--info-bg);
  color: var(--info-text);
  border-color: var(--info-border);
}

.badge-neutral {
  background: var(--bg-page);
  color: var(--text-secondary);
  border-color: var(--border);
}

.badge-black {
  background: var(--black);
  color: var(--white);
}

/* ----------------------------------------------------------
   ABAS (TABS)
   ---------------------------------------------------------- */
.tabs { display: flex; flex-direction: column; gap: 0; }

.tab-list {
  display: flex;
  background: var(--bg-page);
  border-radius: var(--radius-input);
  padding: 4px;
  gap: 2px;
  width: fit-content;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), box-shadow var(--t-fast);
  white-space: nowrap;
}

.tab-btn i { width: 15px; height: 15px; }

.tab-btn:hover { color: var(--text-primary); background: rgba(255,255,255,0.6); }

.tab-btn.active {
  background: var(--white);
  color: var(--black);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.tab-panels { margin-top: 20px; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ----------------------------------------------------------
   SWITCH / TOGGLE
   ---------------------------------------------------------- */
.switch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.switch input[type="checkbox"] { position: absolute; opacity: 0; width: 0; height: 0; }

.switch-track {
  position: relative;
  width: 40px;
  height: 22px;
  background: var(--border);
  border-radius: 99px;
  transition: background var(--t-base);
  flex-shrink: 0;
}

.switch-track::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  background: var(--white);
  border-radius: 50%;
  transition: transform var(--t-base), background var(--t-base);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.switch input:checked + .switch-track { background: var(--khaki); }
.switch input:checked + .switch-track::after { transform: translateX(18px); }

.switch input:focus-visible + .switch-track {
  box-shadow: 0 0 0 3px rgba(195, 176, 145, 0.35);
}

.switch-label { font-size: 0.875rem; font-weight: 450; color: var(--text-primary); }

/* ----------------------------------------------------------
   BARRA DE PROGRESSO
   ---------------------------------------------------------- */
.progress {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.progress-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.progress-bar-track {
  width: 100%;
  height: 6px;
  background: var(--bg-page);
  border-radius: 99px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.progress-bar-fill {
  height: 100%;
  background: var(--khaki);
  border-radius: 99px;
  transition: width var(--t-slow);
}

.progress-bar-fill.success { background: var(--success-text); }
.progress-bar-fill.error   { background: var(--error-text); }

/* ----------------------------------------------------------
   MODAIS
   ---------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-base), visibility var(--t-base);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  transform: translateY(12px) scale(0.98);
  transition: transform var(--t-base);
}

.modal-overlay.open .modal { transform: none; }

.modal-lg  { max-width: 720px; }
.modal-sm  { max-width: 380px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--black);
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
  flex-shrink: 0;
}

.modal-close:hover { background: var(--bg-page); color: var(--text-primary); }
.modal-close i { width: 18px; height: 18px; }

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-shrink: 0;
}

/* ----------------------------------------------------------
   TABELAS
   ---------------------------------------------------------- */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  font-size: 0.875rem;
}

.table thead {
  background: var(--bg-page);
  border-bottom: 1px solid var(--border);
}

.table thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-secondary);
  white-space: nowrap;
}

.table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--t-fast);
}

.table tbody tr:last-child { border-bottom: none; }
.table tbody tr:hover { background: rgba(245, 245, 245, 0.7); }

.table tbody td {
  padding: 13px 16px;
  color: var(--text-primary);
  vertical-align: middle;
}

.table tbody td.text-secondary { color: var(--text-secondary); font-size: 0.8125rem; }

/* Coluna de ações */
.table-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: flex-end;
}

.table-action-btn {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
}

.table-action-btn:hover { background: var(--bg-page); color: var(--text-primary); }
.table-action-btn.danger:hover { background: var(--error-bg); color: var(--error-text); }
.table-action-btn i { width: 15px; height: 15px; }

/* Estado vazio */
.table-empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* ----------------------------------------------------------
   ALERTAS INLINE
   ---------------------------------------------------------- */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-input);
  border: 1px solid transparent;
  font-size: 0.875rem;
  line-height: 1.5;
}

.alert i { width: 17px; height: 17px; flex-shrink: 0; margin-top: 1px; }

.alert-success { background: var(--success-bg); color: var(--success-text); border-color: var(--success-border); }
.alert-warning { background: var(--warning-bg); color: var(--warning-text); border-color: var(--warning-border); }
.alert-error   { background: var(--error-bg);   color: var(--error-text);   border-color: var(--error-border); }
.alert-info    { background: var(--info-bg);     color: var(--info-text);    border-color: var(--info-border); }

.alert-title { font-weight: 600; margin-bottom: 2px; }

/* ----------------------------------------------------------
   TOASTS
   ---------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 200;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-input);
  box-shadow: var(--shadow-modal);
  font-size: 0.875rem;
  font-weight: 500;
  min-width: 260px;
  max-width: 380px;
  pointer-events: all;
  animation: toast-in var(--t-base) ease-out;
}

.toast i { width: 17px; height: 17px; flex-shrink: 0; }
.toast.success { border-left: 3px solid var(--success-text); color: var(--success-text); }
.toast.error   { border-left: 3px solid var(--error-text);   color: var(--error-text); }
.toast.warning { border-left: 3px solid var(--warning-text); color: var(--warning-text); }
.toast.info    { border-left: 3px solid var(--info-text);    color: var(--info-text); }

.toast-msg { flex: 1; color: var(--text-primary); }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: none; }
}

/* ----------------------------------------------------------
   DIVISOR
   ---------------------------------------------------------- */
.divider {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}

/* ----------------------------------------------------------
   EMPTY STATE
   ---------------------------------------------------------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  text-align: center;
  gap: 12px;
}

.empty-state-icon {
  width: 48px;
  height: 48px;
  color: var(--border);
}

.empty-state-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.empty-state-desc { font-size: 0.875rem; color: var(--text-secondary); max-width: 320px; }

/* ----------------------------------------------------------
   LOADING SPINNER
   ---------------------------------------------------------- */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--khaki);
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
  flex-shrink: 0;
}

.spinner-lg { width: 36px; height: 36px; border-width: 3px; }

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

/* ----------------------------------------------------------
   PAGINAÇÃO
   ---------------------------------------------------------- */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
}

.page-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.page-btn:hover { background: var(--bg-page); color: var(--text-primary); }

.page-btn.active {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }