/* ============================================================
   TrainBase — Design System Global
   Paleta: Azul Profundo #0F2A44 | Laranja #FF8A00 | Branco #FFFFFF
   Estilo: Luxo, Masculino, Clean — Mobile First
   ============================================================ */

/* ─── Tokens ─────────────────────────────────────────────── */
:root {
  /* Cores principais */
  --color-primary:        #0F2A44;
  --color-primary-light:  #1a3d61;
  --color-primary-dark:   #081929;
  --color-accent:         #FF8A00;
  --color-accent-hover:   #e67a00;
  --color-accent-light:   rgba(255, 138, 0, 0.12);

  /* Neutros */
  --color-white:          #FFFFFF;
  --color-bg:             #F8F9FB;
  --color-surface:        #FFFFFF;
  --color-border:         #E8EBF0;
  --color-divider:        #F3F4F6;
  --color-text:           #1F1F1F;
  --color-text-muted:     #6B7280;
  --color-text-light:     #9CA3AF;

  /* Estados */
  --color-success:        #10B981;
  --color-success-light:  rgba(16, 185, 129, 0.12);
  --color-warning:        #F59E0B;
  --color-warning-light:  rgba(245, 158, 11, 0.12);
  --color-danger:         #EF4444;
  --color-danger-light:   rgba(239, 68, 68, 0.12);
  --color-info:           #3B82F6;
  --color-info-light:     rgba(59, 130, 246, 0.12);

  /* Sombras */
  --shadow-xs:    0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm:    0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md:    0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg:    0 8px 32px rgba(0, 0, 0, 0.10);
  --shadow-xl:    0 16px 48px rgba(0, 0, 0, 0.14);
  --shadow-accent: 0 4px 20px rgba(255, 138, 0, 0.30);

  /* Bordas */
  --radius-sm:    8px;
  --radius-md:    12px;
  --radius-lg:    16px;
  --radius-xl:    20px;
  --radius-full:  9999px;

  /* Tipografia */
  --font-sans:    'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'Courier New', monospace;

  /* Layout */
  --sidebar-width:       260px;
  --topbar-height:       64px;
  --bottom-nav-height:   68px;

  /* Transição */
  --transition-fast:   0.15s ease;
  --transition:        0.25s ease;
  --transition-slow:   0.40s ease;
}

/* ─── Modo Escuro ─────────────────────────────────────────── */
[data-theme="dark"] {
  --color-bg:       #0D1B2A;
  --color-surface:  #132236;
  --color-border:   #1E3450;
  --color-divider:  #1A2E45;
  --color-text:     #F0F4F8;
  --color-text-muted: #8DA4BE;
  --color-text-light: #5A7A9B;
  --shadow-sm:      0 2px 8px rgba(0, 0, 0, 0.30);
  --shadow-md:      0 4px 16px rgba(0, 0, 0, 0.40);
  --shadow-lg:      0 8px 32px rgba(0, 0, 0, 0.50);
}

/* ─── Reset & Base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
img, svg { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }
ul, ol { list-style: none; }

/* ─── Layout Principal ────────────────────────────────────── */
.main-wrapper {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--transition);
}

/* ─── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--color-primary);
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
  transition: transform var(--transition);
  box-shadow: 4px 0 20px rgba(0,0,0,.15);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.sidebar-logo img { width: 36px; height: 36px; }
.sidebar-brand {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.3px;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.sidebar-user-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  font-size: .9rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.sidebar-user-name {
  display: block;
  font-weight: 600;
  font-size: .875rem;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-user-role {
  display: block;
  font-size: .75rem;
  color: rgba(255,255,255,.5);
}

.sidebar-nav { flex: 1; padding: 12px 0; }
.sidebar-nav ul { display: flex; flex-direction: column; gap: 2px; padding: 0 12px; }
.sidebar-nav li a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: .875rem;
  color: rgba(255,255,255,.65);
  transition: all var(--transition-fast);
}
.sidebar-nav li a svg { width: 18px; height: 18px; stroke-width: 2; flex-shrink: 0; }
.sidebar-nav li a:hover { color: #fff; background: rgba(255,255,255,.08); }
.sidebar-nav li.active a {
  color: #fff;
  background: var(--color-accent);
  box-shadow: var(--shadow-accent);
}

.sidebar-footer { padding: 16px 12px; border-top: 1px solid rgba(255,255,255,.08); }
.sidebar-logout {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: var(--radius-md);
  font-size: .875rem;
  font-weight: 500;
  color: rgba(255,255,255,.55);
  transition: all var(--transition-fast);
  width: 100%;
}
.sidebar-logout svg { width: 18px; height: 18px; flex-shrink: 0; }
.sidebar-logout:hover { color: var(--color-danger); background: var(--color-danger-light); }

.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 99;
  backdrop-filter: blur(2px);
}

/* ─── Topbar ──────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-xs);
}

.topbar-toggle {
  display: none;
  color: var(--color-text-muted);
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.topbar-toggle svg { width: 22px; height: 22px; }
.topbar-toggle:hover { color: var(--color-text); background: var(--color-divider); }

.topbar-title {
  flex: 1;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -.2px;
}

.topbar-actions { display: flex; gap: 4px; }
.topbar-action-btn {
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}
.topbar-action-btn svg { width: 18px; height: 18px; }
.topbar-action-btn:hover { color: var(--color-text); background: var(--color-divider); }

/* ─── Conteúdo da Página ──────────────────────────────────── */
.page-content {
  flex: 1;
  padding: 28px 24px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.page-header h2 {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -.3px;
}

/* ─── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-body { padding: 24px; }
.card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card-header h3 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.2px;
}
.card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
  background: var(--color-divider);
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.stat-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.stat-icon svg { width: 24px; height: 24px; }
.stat-icon.primary   { background: rgba(15,42,68,.10); color: var(--color-primary); }
.stat-icon.accent    { background: var(--color-accent-light); color: var(--color-accent); }
.stat-icon.success   { background: var(--color-success-light); color: var(--color-success); }
.stat-icon.warning   { background: var(--color-warning-light); color: var(--color-warning); }
.stat-icon.danger    { background: var(--color-danger-light); color: var(--color-danger); }
.stat-info { min-width: 0; }
.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.5px;
  color: var(--color-text);
}
.stat-label {
  font-size: .8125rem;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: 4px;
}

/* ─── Botões ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: .9rem;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  border: 1.5px solid transparent;
}
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn-accent:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: var(--shadow-accent);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-outline:hover {
  background: var(--color-divider);
  border-color: var(--color-text-light);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--color-divider); color: var(--color-text); }

.btn-danger {
  background: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
}
.btn-danger:hover { background: #dc2626; }

.btn-success {
  background: var(--color-success);
  color: #fff;
  border-color: var(--color-success);
}

.btn-sm  { padding: 7px 14px; font-size: .8125rem; border-radius: var(--radius-sm); }
.btn-lg  { padding: 14px 28px; font-size: 1rem; border-radius: var(--radius-lg); }
.btn-xl  { padding: 16px 32px; font-size: 1.0625rem; border-radius: var(--radius-lg); }
.btn-block { width: 100%; }

.btn:disabled, .btn[disabled] {
  opacity: .5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ─── Formulários ─────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-weight: 600;
  font-size: .875rem;
  color: var(--color-text);
  margin-bottom: 6px;
}
.form-label.required::after { content: ' *'; color: var(--color-danger); }
.form-control {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-divider);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: .9375rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.form-control:focus {
  border-color: var(--color-accent);
  background: var(--color-surface);
  box-shadow: 0 0 0 3px rgba(255,138,0,.15);
}
.form-control:hover:not(:focus) { border-color: var(--color-text-light); }
.form-control::placeholder { color: var(--color-text-light); }
textarea.form-control { resize: vertical; min-height: 100px; }
select.form-control { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.form-hint { font-size: .8125rem; color: var(--color-text-muted); margin-top: 5px; }
.form-error { font-size: .8125rem; color: var(--color-danger); margin-top: 5px; }
.form-control.is-invalid { border-color: var(--color-danger); }
.form-control.is-valid { border-color: var(--color-success); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ─── Badges ──────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .2px;
}
.badge-primary  { background: rgba(15,42,68,.1);   color: var(--color-primary); }
.badge-accent   { background: var(--color-accent-light); color: var(--color-accent); }
.badge-success  { background: var(--color-success-light); color: var(--color-success); }
.badge-warning  { background: var(--color-warning-light); color: var(--color-warning); }
.badge-danger   { background: var(--color-danger-light);  color: var(--color-danger); }
.badge-secondary{ background: var(--color-divider); color: var(--color-text-muted); }

/* ─── Tabelas ─────────────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
}
.table th {
  padding: 12px 16px;
  text-align: left;
  font-size: .8125rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  background: var(--color-divider);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.table td {
  padding: 14px 16px;
  font-size: .9rem;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--color-divider); }
.table .actions { display: flex; gap: 4px; }

/* ─── Modal ───────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  backdrop-filter: blur(4px);
  animation: fadeIn var(--transition-fast);
}
.modal-overlay.active { display: flex; }

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  animation: slideUp var(--transition);
}
.modal-lg { max-width: 720px; }
.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-title {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -.2px;
}
.modal-close {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}
.modal-close svg { width: 16px; height: 16px; }
.modal-close:hover { background: var(--color-divider); color: var(--color-text); }
.modal-body { padding: 24px; overflow-y: auto; flex: 1; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* ─── Flash Messages ──────────────────────────────────────── */
.flash {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  margin: 0 24px 0;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: .9rem;
  border: 1.5px solid transparent;
  animation: slideDown .3s ease;
}
.flash svg { width: 18px; height: 18px; flex-shrink: 0; }
.flash-close { margin-left: auto; color: inherit; opacity: .6; }
.flash-close svg { width: 16px; height: 16px; }
.flash-success { background: var(--color-success-light); color: var(--color-success); border-color: var(--color-success); }
.flash-error, .flash-danger { background: var(--color-danger-light); color: var(--color-danger); border-color: var(--color-danger); }
.flash-warning { background: var(--color-warning-light); color: var(--color-warning); border-color: var(--color-warning); }
.flash-info  { background: var(--color-info-light); color: var(--color-info); border-color: var(--color-info); }

/* ─── Toast ───────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 90px;
  right: 20px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 320px;
}
.toast {
  background: var(--color-primary);
  color: #fff;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-size: .875rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideLeft .3s ease;
}
.toast svg { width: 16px; height: 16px; flex-shrink: 0; }
.toast.success { background: var(--color-success); }
.toast.error   { background: var(--color-danger); }
.toast.warning { background: var(--color-warning); color: #1F1F1F; }

/* ─── Busca & Filtros ─────────────────────────────────────── */
.search-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.search-input-wrapper {
  position: relative;
  flex: 1;
  min-width: 200px;
}
.search-input-wrapper svg {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  width: 16px; height: 16px;
  color: var(--color-text-muted);
  pointer-events: none;
}
.search-input-wrapper .form-control { padding-left: 40px; }

/* ─── Empty State ─────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}
.empty-state-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--color-divider);
  margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
}
.empty-state-icon svg { width: 28px; height: 28px; color: var(--color-text-muted); }
.empty-state h3 { font-size: 1.0625rem; font-weight: 700; margin-bottom: 8px; }
.empty-state p { font-size: .9rem; color: var(--color-text-muted); margin-bottom: 24px; }

/* ─── Loading Spinner ─────────────────────────────────────── */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .6s linear infinite;
  display: inline-block;
}
.spinner.dark {
  border-color: rgba(0,0,0,.15);
  border-top-color: var(--color-primary);
}

/* ─── Avatar ──────────────────────────────────────────────── */
.avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  font-size: .875rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.avatar-sm { width: 32px; height: 32px; font-size: .75rem; }
.avatar-lg { width: 56px; height: 56px; font-size: 1.125rem; }
.avatar-xl { width: 80px; height: 80px; font-size: 1.5rem; }

/* ─── Checkbox / Toggle ───────────────────────────────────── */
.toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.toggle input { display: none; }
.toggle-track {
  width: 44px; height: 24px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
  position: relative;
  flex-shrink: 0;
}
.toggle-track::after {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  top: 3px; left: 3px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}
.toggle input:checked + .toggle-track { background: var(--color-accent); }
.toggle input:checked + .toggle-track::after { transform: translateX(20px); }
.toggle-label { font-size: .875rem; font-weight: 500; }

/* ─── Progress Bar ────────────────────────────────────────── */
.progress {
  height: 8px;
  background: var(--color-divider);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}
.progress-bar.success  { background: var(--color-success); }
.progress-bar.primary  { background: var(--color-primary); }

/* ─── Tema Dark: toggle button ────────────────────────────── */
.theme-toggle {
  position: fixed;
  bottom: 80px;
  left: 16px;
  z-index: 99;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-md);
  display: none;
  align-items: center;
  justify-content: center;
}

/* ─── Animações ───────────────────────────────────────────── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideLeft {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .6; }
}
.animate-pulse { animation: pulse 1.5s ease infinite; }

/* ─── Utilitários ─────────────────────────────────────────── */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }
.text-muted { color: var(--color-text-muted); }
.text-small { font-size: .8125rem; }
.text-center { text-align: center; }
.fw-bold { font-weight: 700; }
.fw-medium { font-weight: 600; }
.w-100 { width: 100%; }

/* Divider */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 20px 0;
}

/* ─── Paginação ───────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}
.page-link:hover {
  border-color: var(--color-text-light);
  color: var(--color-text);
  background: var(--color-divider);
}
.page-link.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  pointer-events: none;
}

/* ─── Responsividade Mobile ───────────────────────────────── */
@media (max-width: 768px) {
  :root { --topbar-height: 60px; }

  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
  }
  .sidebar-overlay.active { display: block; }

  .main-wrapper { margin-left: 0; }
  .topbar-toggle { display: flex; }

  .page-content {
    padding: 16px;
    padding-bottom: calc(var(--bottom-nav-height) + 16px);
  }

  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }

  .modal { max-height: 85vh; border-radius: var(--radius-xl) var(--radius-xl) 0 0; }
  .modal-overlay { align-items: flex-end; padding: 0; }

  .toast-container { left: 12px; right: 12px; max-width: none; bottom: calc(var(--bottom-nav-height) + 12px); }

  .table th, .table td { padding: 10px 12px; }
  .page-header { flex-direction: column; align-items: flex-start; }

  .theme-toggle { display: flex; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .search-bar { flex-direction: column; }
  .search-input-wrapper { min-width: 100%; }
}