/* ═══════════════════════════════════════════════════════════
   Gerenciador de Demandas — Secretaria de Educação
   Design System + Componentes
   ═══════════════════════════════════════════════════════════ */

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

:root {
  --primary:       #1a73e8;
  --primary-dark:  #1557b0;
  --primary-light: #e8f0fe;
  --success:       #0f9d58;
  --success-bg:    #e6f4ea;
  --warning:       #f9ab00;
  --warning-bg:    #fef7e0;
  --info:          #7b61ff;
  --info-bg:       #f0ecff;
  --danger:        #d93025;

  --bg:            #f0f4f9;
  --surface:       #ffffff;
  --surface-2:     #f8fafd;
  --border:        #e0e6ef;
  --text-primary:  #1a1a2e;
  --text-secondary:#5f6368;
  --text-muted:    #9aa0a6;

  --shadow-sm:  0 1px 4px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.05);
  --shadow-lg:  0 12px 32px rgba(0,0,0,.10), 0 4px 12px rgba(0,0,0,.06);

  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  18px;
  --radius-full: 999px;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition: 0.22s ease;

  --header-h: 64px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Header ──────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--header-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  backdrop-filter: blur(8px);
  background: rgba(255,255,255,.96);
  box-shadow: var(--shadow-sm);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary) 0%, #4285f4 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 2px 8px rgba(26,115,232,.35);
}

.logo-icon svg { width: 22px; height: 22px; }

.brand-title {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
}

.brand-sub {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  transition: all var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sync-info {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 5px 12px;
}

.sync-dot {
  width: 7px;
  height: 7px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .6; transform: scale(1.3); }
}

.btn-refresh {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.btn-refresh:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
  transform: rotate(15deg);
}

.btn-refresh.spinning svg {
  animation: spin 0.8s linear infinite;
}

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

/* ── Main Content ─────────────────────────────────────────── */
.main-content {
  max-width: 1320px;
  margin: 0 auto;
  padding: 32px 32px 64px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, var(--primary) 0%, #4285f4 60%, #6ea8fe 100%);
  border-radius: var(--radius-lg);
  padding: 36px 44px;
  color: white;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(26,115,232,.35);
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 280px; height: 280px;
  background: rgba(255,255,255,.08);
  border-radius: 50%;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -80px; left: 30%;
  width: 200px; height: 200px;
  background: rgba(255,255,255,.05);
  border-radius: 50%;
}

.hero-text h1 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 8px;
}

.hero-text p {
  font-size: 15px;
  opacity: .85;
  font-weight: 400;
}

.hero-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.3);
  border-radius: var(--radius-full);
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  backdrop-filter: blur(4px);
  white-space: nowrap;
}

.hero-badge svg { width: 18px; height: 18px; fill: white; }

/* ── KPI Grid ─────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.kpi-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.kpi-primary::before { background: linear-gradient(90deg, var(--primary), #4285f4); }
.kpi-success::before { background: linear-gradient(90deg, var(--success), #34a853); }
.kpi-info::before    { background: linear-gradient(90deg, var(--info), #9c88ff); }
.kpi-warning::before { background: linear-gradient(90deg, var(--warning), #fbbc04); }

.kpi-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.kpi-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.kpi-primary .kpi-icon { background: var(--primary-light); color: var(--primary); }
.kpi-success .kpi-icon { background: var(--success-bg);    color: var(--success); }
.kpi-info    .kpi-icon { background: var(--info-bg);       color: var(--info); }
.kpi-warning .kpi-icon { background: var(--warning-bg);    color: var(--warning); }

.kpi-icon svg { width: 24px; height: 24px; }

.kpi-value {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text-primary);
  line-height: 1;
}

.kpi-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 4px;
}

.kpi-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── Middle Section ───────────────────────────────────────── */
.middle-section {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}

/* ── Cards genéricos ──────────────────────────────────────── */
.card {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
}

.card-header h2 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.card-badge {
  font-size: 12px;
  font-weight: 600;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-full);
  padding: 4px 10px;
}

/* ── Gráfico ──────────────────────────────────────────────── */
.chart-card .chart-wrapper {
  padding: 20px 24px 24px;
  height: 280px;
}

/* ── Ranking ──────────────────────────────────────────────── */
.ranking-list {
  padding: 12px 0;
  max-height: 320px;
  overflow-y: auto;
}

.ranking-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 24px;
  transition: background var(--transition);
  cursor: default;
}

.ranking-item:hover { background: var(--surface-2); }

.rank-pos {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.rank-1 { background: #fef7e0; color: #f9ab00; }
.rank-2 { background: #f1f3f4; color: #5f6368; }
.rank-3 { background: #f9e8e8; color: #d93025; }
.rank-n { background: var(--primary-light); color: var(--primary); }

.rank-info { flex: 1; min-width: 0; }

.rank-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rank-bar-wrap { height: 4px; background: var(--border); border-radius: 2px; margin-top: 5px; }

.rank-bar {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), #4285f4);
  transition: width 0.8s ease;
}

.rank-count {
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
  flex-shrink: 0;
}

/* ── Filtros ──────────────────────────────────────────────── */
.filters-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 16px;
  padding: 20px 24px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
  min-width: 160px;
}

.filter-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filter-input {
  font-family: var(--font);
  font-size: 14px;
  color: var(--text-primary);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

.filter-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,115,232,.12);
}

.filter-actions {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.btn-primary, .btn-secondary {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 9px 20px;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 4px 12px rgba(26,115,232,.3); }

.btn-secondary {
  background: var(--surface);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-secondary:hover { background: var(--surface-2); color: var(--text-primary); }

/* ── Tabela ───────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; }

.demandas-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.demandas-table thead th {
  text-align: left;
  padding: 14px 20px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

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

.demandas-table tbody tr:hover { background: rgba(26,115,232,.04); }

.demandas-table td {
  padding: 14px 20px;
  color: var(--text-primary);
  vertical-align: middle;
}

.demandas-table td:first-child {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  color: var(--text-secondary);
  max-width: 380px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-full);
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.date-badge {
  display: inline-block;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  transition: all var(--transition);
}

.btn-link:hover { background: var(--primary); color: white; }
.btn-link svg { width: 14px; height: 14px; }

/* Linha de carregamento / vazio */
.table-loading, .table-empty {
  text-align: center;
  padding: 60px 20px !important;
  color: var(--text-muted);
}

.table-loading { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.table-empty { display: table-cell; }

/* ── Spinner ──────────────────────────────────────────────── */
.loading-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto;
}

/* ── Paginação ────────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 18px 24px;
  border-top: 1px solid var(--border);
}

.page-btn {
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.page-btn:disabled { opacity: .4; cursor: not-allowed; }
.page-btn:not(:disabled):hover { background: var(--primary); color: white; border-color: var(--primary); }

.page-info {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── Toast ────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  background: var(--text-primary);
  color: white;
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.35s ease;
  pointer-events: none;
  max-width: 360px;
}

.toast.show { transform: translateY(0); opacity: 1; }
.toast.toast-error { background: var(--danger); }
.toast.toast-success { background: var(--success); }

/* ── Scrollbar personalizada ──────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Responsivo ───────────────────────────────────────────── */
@media (max-width: 1100px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .middle-section { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .main-content { padding: 20px 16px 48px; }
  .header { padding: 0 16px; }
  .header-nav { display: none; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .hero-section { flex-direction: column; gap: 20px; padding: 28px 24px; }
  .hero-text h1 { font-size: 22px; }
  .filters-bar { gap: 12px; }
  .filter-group { min-width: 100%; }
}

@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
}