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

:root {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-card: #16213e;
  --bg-card-hover: #1c2a4a;
  --bg-input: #0e1628;
  --text-primary: #e8e8e8;
  --text-secondary: #a0a0b8;
  --text-muted: #6c6c80;
  --border: #2a2a4a;
  --accent: #4a6cf7;
  --accent-hover: #5b7cf8;
  --green: #00b894;
  --yellow: #fdcb6e;
  --red: #d63031;
  --orange: #e17055;
  --sidebar-width: 240px;
  --radius: 8px;
  --radius-lg: 12px;
}

html {
  font-size: 14px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* === Login Page === */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 1rem;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.login-header p {
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.login-form .form-group {
  margin-bottom: 1.25rem;
}

.login-form label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
}

.login-form input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 1rem;
  transition: border-color 0.2s;
}

.login-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.login-error {
  color: var(--red);
  font-size: 0.85rem;
  min-height: 1.2em;
  margin-bottom: 0.75rem;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

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

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

.btn-full {
  width: 100%;
  padding: 0.85rem;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

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

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* === App Layout === */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* === Sidebar === */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform 0.3s;
}

.sidebar-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.sidebar-header h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
}

.sidebar-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sidebar-nav {
  flex: 1;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1rem;
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
}

.nav-item:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent);
  color: #fff;
}

.nav-item.active:hover {
  background: var(--accent-hover);
}

.sidebar-footer {
  padding: 0.75rem;
  border-top: 1px solid var(--border);
}

/* === Main Content === */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-width: 0;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  position: sticky;
  top: 0;
  z-index: 50;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.25rem;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sync-indicator {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.sync-indicator::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

.content-area {
  padding: 1.5rem;
}

/* === Cards Grid === */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: border-color 0.2s;
}

.stat-card:hover {
  border-color: var(--accent);
}

.stat-card-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.stat-card-value {
  font-size: 1.75rem;
  font-weight: 700;
}

.stat-card-value.green { color: var(--green); }
.stat-card-value.yellow { color: var(--yellow); }
.stat-card-value.red { color: var(--red); }
.stat-card-value.orange { color: var(--orange); }
.stat-card-value.accent { color: var(--accent); }

/* === Tables === */
.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.table-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.table-wrap {
  overflow-x: auto;
}

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

th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

td {
  padding: 0.7rem 1rem;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

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

tr:hover td {
  background: var(--bg-card-hover);
}

tr.clickable {
  cursor: pointer;
}

td.number {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* === Status Badges === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.badge-green { background: rgba(0, 184, 148, 0.15); color: var(--green); }
.badge-yellow { background: rgba(253, 203, 110, 0.15); color: var(--yellow); }
.badge-red { background: rgba(214, 48, 49, 0.15); color: var(--red); }
.badge-orange { background: rgba(225, 112, 85, 0.15); color: var(--orange); }
.badge-gray { background: rgba(160, 160, 184, 0.15); color: var(--text-secondary); }

/* === Charts === */
.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.chart-container h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.chart-wrap {
  position: relative;
  height: 300px;
}

.charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

/* === Filters === */
.filters-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
  align-items: flex-end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.filter-group label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.filter-group select,
.filter-group input {
  padding: 0.5rem 0.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.85rem;
  min-width: 140px;
}

.filter-group select:focus,
.filter-group input:focus {
  outline: none;
  border-color: var(--accent);
}

/* === Pagination === */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem;
}

.pagination button {
  padding: 0.4rem 0.8rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
}

.pagination button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.pagination-info {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* === Campaign Detail === */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.detail-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.detail-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.detail-row:last-child {
  border-bottom: none;
}

.detail-label {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.detail-value {
  font-size: 0.85rem;
  font-weight: 500;
}

.sample-box {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  word-wrap: break-word;
}

/* === Page Title === */
.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.page-title small {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 0.5rem;
}

/* === Loading Spinner === */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  color: var(--text-muted);
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 0.75rem;
}

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

/* === Responsive === */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .menu-toggle {
    display: block;
  }

  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .detail-grid {
    grid-template-columns: 1fr;
  }

  .filters-bar {
    flex-direction: column;
  }

  .filter-group select,
  .filter-group input {
    min-width: 100%;
  }
}

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

  .content-area {
    padding: 1rem;
  }
}

/* === Account Info Header === */
.account-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.account-header .account-info {
  flex: 1;
}

.account-header .account-info h1 {
  font-size: 1.5rem;
  font-weight: 700;
}

.account-header .account-info p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* === Progress Bar === */
.progress-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.progress-bar {
  flex: 1;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.4s ease;
  background: var(--green);
}

.progress-fill.warn  { background: var(--yellow); }
.progress-fill.danger { background: var(--red); }

.progress-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
  min-width: 80px;
  text-align: right;
}

.table-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Colunas de destaque na tabela de campanhas */
th.col-highlight {
  color: var(--text-primary);
  background: rgba(74, 108, 247, 0.08);
  border-bottom: 2px solid var(--accent);
}

td.col-highlight-cell {
  background: rgba(74, 108, 247, 0.05);
  font-weight: 600;
}

code {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1rem 0.4rem;
}

.text-muted { color: var(--text-muted); }

/* === Empty State === */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

.empty-state p {
  font-size: 0.9rem;
}

/* === Scrollbar === */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}