/* ==========================================================
   COMPONENTS.CSS — Componentes reutilizáveis do sistema
   Sistema de Gestão de Transportes
   ========================================================== */

/* ============================================================
   LAYOUT PRINCIPAL
   ============================================================ */

.app-layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--header-h) 1fr;
  min-height: 100vh;
}

/* ============================================================
   SIDEBAR
   ============================================================ */

.sidebar {
  grid-row: 1 / -1;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-logo {
  height: var(--header-h);
  padding: 0 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-logo-icon {
  width: 28px;
  height: 28px;
  background: var(--accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}

.sidebar-logo-text {
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text-primary);
  line-height: 1.2;
}

.sidebar-logo-text small {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0;
}

.sidebar-nav {
  padding: 12px 0;
  flex: 1;
}

.sidebar-section-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 10px 18px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 18px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  border-left: 2px solid transparent;
  position: relative;
}

.nav-item:hover {
  background: rgba(255,255,255,.04);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent-dim);
  color: var(--accent);
  border-left-color: var(--accent);
}

.nav-item .icon {
  font-size: 15px;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}

.nav-badge {
  margin-left: auto;
  background: var(--accent);
  color: #000;
  font-size: 0.62rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 99px;
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
  transition: background var(--transition);
}

.sidebar-user:hover { background: rgba(255,255,255,.04); }

.user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.78rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.user-info { overflow: hidden; }
.user-name  { font-size: 0.82rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role  { font-size: 0.7rem; color: var(--text-muted); }

/* ============================================================
   HEADER
   ============================================================ */

.header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.header-subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 1px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-icon-btn {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  position: relative;
}

.header-icon-btn:hover {
  background: rgba(255,255,255,.06);
  color: var(--text-primary);
}

.notif-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  border: 1.5px solid var(--bg-surface);
}

/* ============================================================
   CONTEÚDO PRINCIPAL
   ============================================================ */

.main-content {
  padding: 24px;
  overflow-y: auto;
  overflow-x: hidden;
}

/* Page header */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}

.page-header-left h1 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.page-header-left p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.page-header-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

/* ============================================================
   BOTÕES
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: 7px;
  font-size: 0.84rem;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #000;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-light);
}
.btn-secondary:hover { background: rgba(255,255,255,.06); border-color: var(--text-muted); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover { background: rgba(255,255,255,.06); color: var(--text-primary); }

.btn-danger {
  background: var(--danger-dim);
  color: var(--danger);
  border-color: rgba(239,68,68,.25);
}
.btn-danger:hover { background: rgba(239,68,68,.22); }

.btn-success {
  background: var(--success-dim);
  color: var(--success);
  border-color: rgba(34,197,94,.25);
}
.btn-success:hover { background: rgba(34,197,94,.22); }

.btn-sm {
  padding: 5px 11px;
  font-size: 0.78rem;
}

.btn:disabled {
  opacity: .45;
  cursor: not-allowed;
}

/* ============================================================
   CARDS
   ============================================================ */

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.card-body { padding: 18px; }

.card-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.card-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--border);
}

/* KPI Cards */
.kpi-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.kpi-card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-sm);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
}
.kpi-card.accent::before  { background: var(--accent); }
.kpi-card.success::before { background: var(--success); }
.kpi-card.danger::before  { background: var(--danger); }
.kpi-card.info::before    { background: var(--info); }

.kpi-label {
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.kpi-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
  line-height: 1;
}

.kpi-sub {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 6px;
}

.kpi-icon {
  position: absolute;
  right: 18px;
  top: 18px;
  font-size: 22px;
  opacity: .15;
}

/* ============================================================
   TABELA
   ============================================================ */

.table-wrapper {
  overflow-x: auto;
  border-radius: 0 0 10px 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  padding: 10px 14px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  text-align: left;
  background: var(--bg-base);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

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

tbody tr:last-child { border-bottom: none; }

tbody tr:hover { background: rgba(255,255,255,.025); }

tbody td {
  padding: 11px 14px;
  font-size: 0.84rem;
  color: var(--text-primary);
  vertical-align: middle;
}

.td-mono {
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.table-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.icon-btn {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  color: var(--text-secondary);
  background: transparent;
  border: none;
}

.icon-btn:hover { background: rgba(255,255,255,.08); color: var(--text-primary); }
.icon-btn.danger:hover { background: var(--danger-dim); color: var(--danger); }
.icon-btn.success:hover { background: var(--success-dim); color: var(--success); }

/* Tabela vazia */
.table-empty {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}
.table-empty .empty-icon { font-size: 32px; margin-bottom: 10px; opacity: .4; }
.table-empty p { font-size: 0.84rem; }

/* ============================================================
   FILTROS / TOOLBAR
   ============================================================ */

.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.search-wrap {
  position: relative;
  flex: 1;
  min-width: 180px;
  max-width: 300px;
}

.search-wrap input {
  padding-left: 34px;
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 13px;
  pointer-events: none;
}

.filter-group {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.filter-select {
  width: auto;
  min-width: 130px;
}

/* ============================================================
   MODAL
   ============================================================ */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(3px);
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  transform: scale(.95) translateY(10px);
  transition: transform var(--transition);
}

.modal-backdrop.open .modal {
  transform: scale(1) translateY(0);
}

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

.modal-header {
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.modal-title {
  font-size: 1rem;
  font-weight: 700;
}

.modal-close {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.modal-close:hover { background: rgba(255,255,255,.08); color: var(--text-primary); }

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex-shrink: 0;
}

/* ============================================================
   FORMULÁRIOS
   ============================================================ */

.form-group {
  margin-bottom: 14px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.form-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-error {
  font-size: 0.72rem;
  color: var(--danger);
  margin-top: 4px;
}

/* ============================================================
   ALERTAS / TOAST
   ============================================================ */

.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 12px 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-width: 280px;
  max-width: 380px;
  box-shadow: var(--shadow-md);
  animation: toastIn .25s ease forwards;
  pointer-events: all;
}

.toast.removing {
  animation: toastOut .2s ease forwards;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(20px); }
}

.toast-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.toast-content { flex: 1; }
.toast-title { font-size: 0.84rem; font-weight: 600; }
.toast-msg   { font-size: 0.78rem; color: var(--text-secondary); margin-top: 2px; }

.toast.success { border-left: 3px solid var(--success); }
.toast.success .toast-icon { color: var(--success); }
.toast.error   { border-left: 3px solid var(--danger); }
.toast.error   .toast-icon { color: var(--danger); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info    { border-left: 3px solid var(--info); }
.toast.info    .toast-icon { color: var(--info); }

/* ============================================================
   LOADING / SPINNER
   ============================================================ */

.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(13,15,23,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  border-radius: inherit;
}

.spinner {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border-light);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

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

/* Skeleton loader */
.skeleton {
  background: linear-gradient(90deg, var(--bg-elevated) 25%, var(--bg-surface) 50%, var(--bg-elevated) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: 4px;
}

@keyframes shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* ============================================================
   PAGINAÇÃO
   ============================================================ */

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.pagination-pages {
  display: flex;
  gap: 4px;
}

.page-btn {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.page-btn:hover { background: rgba(255,255,255,.06); color: var(--text-primary); }
.page-btn.active { background: var(--accent-dim); color: var(--accent); border-color: rgba(245,166,35,.3); }

/* ============================================================
   DIVIDER
   ============================================================ */

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 16px 0;
}

/* ============================================================
   SEÇÃO DE ALERTA (banner)
   ============================================================ */

.alert-banner {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.82rem;
  margin-bottom: 16px;
}
.alert-banner.warning {
  background: var(--warning-dim);
  border: 1px solid rgba(245,158,11,.25);
  color: var(--warning);
}
.alert-banner.info {
  background: var(--info-dim);
  border: 1px solid rgba(59,130,246,.25);
  color: var(--info);
}
.alert-banner.danger {
  background: var(--danger-dim);
  border: 1px solid rgba(239,68,68,.25);
  color: var(--danger);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 900px) {
  .app-layout {
    grid-template-columns: 1fr;
    grid-template-rows: var(--header-h) 1fr;
  }
  .sidebar {
    display: none;
    position: fixed;
    z-index: 500;
    width: var(--sidebar-w);
    height: 100vh;
    top: 0;
    left: 0;
  }
  .sidebar.open { display: flex; }
  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 499;
  }
  .sidebar-overlay.open { display: block; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .form-row-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .main-content { padding: 16px; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; }
}