:root {
  --bg: #070707;
  --panel: #0f0f10;
  --panel2: #121214;
  --border: #242428;
  --text: #e9e9ee;
  --muted: #9aa0a6;
  --accent: #4f7cff;
}

/* Reset e Base */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* Layout Principal */
.app-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

/* Sidebar */
.app-sidebar {
  background: linear-gradient(180deg, #0b0b0c, #070707);
  border-right: 1px solid var(--border);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 16px;
  flex-shrink: 0;
}

.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(79, 124, 255, 0.12);
  flex-shrink: 0;
}

.brand-title {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand-sub {
  font-size: 12px;
  color: var(--muted);
}

/* Navegação */
.nav-link {
  color: #cfd3da;
  border-radius: 12px;
  padding: 10px 12px;
  border: 1px solid transparent;
  text-decoration: none;
  display: block;
  transition: all 0.2s ease;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
}

.nav-link.active {
  color: #fff;
  background: rgba(79, 124, 255, 0.12);
  border-color: rgba(79, 124, 255, 0.25);
}

.nav-divider {
  height: 1px;
  background: var(--border);
  margin: 10px 0;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* Main Content */
.app-main {
  background: var(--bg);
  min-width: 0;
}

.app-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(7, 7, 7, 0.95);
  backdrop-filter: blur(6px);
  z-index: 20;
  gap: 12px;
  flex-wrap: wrap;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-toggle {
  display: none;
  padding: 8px 12px;
  font-size: 18px;
}

.page-title {
  font-weight: 700;
  font-size: 16px;
}

.pill {
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  padding: 8px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

.pill-strong {
  color: #fff;
}

.app-content {
  padding: 22px;
}

/* Cards */
.card-dark {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
}

/* Métricas */
.metric-label {
  color: var(--muted);
  font-size: 12px;
}

.metric-value {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.4px;
}

/* Formulários */
.form-control-dark,
.form-select.form-control-dark {
  background: var(--panel2);
  border: 1px solid var(--border);
  color: var(--text);
}

.form-control-dark:focus,
.form-select.form-control-dark:focus {
  border-color: rgba(79, 124, 255, 0.6);
  box-shadow: 0 0 0 0.2rem rgba(79, 124, 255, 0.15);
  background: var(--panel2);
  color: #fff;
}

.form-control-dark::placeholder {
  color: var(--muted);
}

.form-label {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
}

.form-text {
  font-size: 12px;
}

/* Botões */
.btn-dark-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn-dark-accent:hover {
  filter: brightness(1.05);
  color: #fff;
}

/* Badges */
.badge-status {
  border: 1px solid var(--border);
}

.badge-active,
.badge-approved {
  background: rgba(46, 204, 113, 0.12);
  color: #baf2cd;
  border-color: rgba(46, 204, 113, 0.25);
}

.badge-expired,
.badge-pending {
  background: rgba(241, 196, 15, 0.12);
  color: #ffe9a6;
  border-color: rgba(241, 196, 15, 0.25);
}

.badge-suspended,
.badge-blocked {
  background: rgba(231, 76, 60, 0.12);
  color: #ffd1d7;
  border-color: rgba(231, 76, 60, 0.25);
}

/* Modal */
.modalx {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.65);
  padding: 18px;
  z-index: 50;
  overflow-y: auto;
}

.modalx.modalx-open {
  display: flex;
}

.modalx-dialog {
  width: min(720px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}

.modalx-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--panel);
  z-index: 1;
}

.modalx-title {
  font-weight: 800;
}

.modalx-sub {
  font-size: 12px;
  color: var(--muted);
}

.modalx-close {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: #fff;
  border-radius: 12px;
  width: 36px;
  height: 36px;
  line-height: 32px;
  font-size: 22px;
  cursor: pointer;
  flex-shrink: 0;
}

.modalx-body {
  padding: 18px;
}

.modalx-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

/* Toast */
.toast-area {
  position: fixed;
  top: 16px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 60;
  max-width: calc(100vw - 32px);
}

.toastx {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  min-width: min(420px, 90vw);
  background: rgba(15, 15, 16, 0.95);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
}

.toastx-icon {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  background: rgba(255, 255, 255, 0.05);
  flex-shrink: 0;
}

.toastx-title {
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 2px;
}

.toastx-body {
  color: var(--muted);
  font-size: 13px;
}

.toastx-close {
  margin-left: auto;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: #fff;
  border-radius: 12px;
  width: 32px;
  height: 32px;
  line-height: 28px;
  font-size: 20px;
  cursor: pointer;
  flex-shrink: 0;
}

.toastx-success {
  border-color: rgba(46, 204, 113, 0.28);
}

.toastx-danger {
  border-color: rgba(231, 76, 60, 0.28);
}

.toastx-warning {
  border-color: rgba(241, 196, 15, 0.28);
}

.toastx-info {
  border-color: rgba(79, 124, 255, 0.28);
}

/* Login */
.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}

/* Tabelas */
.table-dark {
  --bs-table-bg: transparent;
  --bs-table-color: var(--text);
}

.table-dark th {
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}

.table-dark td {
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* Preview de imagem */
.image-preview {
  max-width: 100%;
  max-height: 120px;
  border-radius: 8px;
  border: 1px solid var(--border);
  object-fit: contain;
  background: var(--panel2);
}

.image-preview-small {
  max-width: 60px;
  max-height: 60px;
  border-radius: 6px;
  border: 1px solid var(--border);
  object-fit: contain;
  background: var(--panel2);
}

.image-preview-banner {
  max-width: 150px;
  max-height: 80px;
  border-radius: 6px;
  border: 1px solid var(--border);
  object-fit: cover;
  background: var(--panel2);
}

/* Dicas de resolução */
.resolution-hint {
  font-size: 11px;
  color: var(--accent);
  background: rgba(79, 124, 255, 0.1);
  border: 1px solid rgba(79, 124, 255, 0.2);
  border-radius: 6px;
  padding: 4px 8px;
  display: inline-block;
  margin-top: 4px;
}

/* ============================================
   RESPONSIVIDADE - TABLET (768px - 920px)
   ============================================ */
@media (max-width: 920px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

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

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
  }

  body.sidebar-open .sidebar-overlay {
    display: block;
  }

  .sidebar-toggle {
    display: inline-flex;
  }

  .app-content {
    padding: 16px;
  }

  .metric-value {
    font-size: 24px;
  }

  .modalx-dialog {
    width: 95%;
    max-height: 85vh;
  }

  .btn-group {
    flex-direction: column;
    width: 100%;
  }

  .btn-group .btn {
    border-radius: 8px !important;
    margin-bottom: 4px;
  }
}

/* ============================================
   RESPONSIVIDADE - MOBILE (< 768px)
   ============================================ */
@media (max-width: 767px) {
  .app-topbar {
    padding: 12px 16px;
  }

  .page-title {
    font-size: 14px;
  }

  .pill {
    padding: 6px 10px;
    font-size: 11px;
  }

  .app-content {
    padding: 12px;
  }

  .card-dark {
    border-radius: 12px;
  }

  .card-body {
    padding: 12px !important;
  }

  .metric-value {
    font-size: 20px;
  }

  .metric-label {
    font-size: 11px;
  }

  /* Tabelas em mobile */
  .table-responsive {
    margin: 0 -12px;
    padding: 0 12px;
  }

  .table th,
  .table td {
    padding: 8px 6px;
    font-size: 12px;
  }

  .table .btn-group {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 4px;
  }

  .table .btn-sm {
    padding: 4px 8px;
    font-size: 11px;
  }

  /* Modal em mobile */
  .modalx {
    padding: 10px;
    align-items: flex-start;
    padding-top: 20px;
  }

  .modalx-dialog {
    width: 100%;
    max-height: calc(100vh - 40px);
    border-radius: 12px;
  }

  .modalx-header {
    padding: 12px 14px;
  }

  .modalx-body {
    padding: 14px;
  }

  .modalx-footer {
    flex-direction: column;
  }

  .modalx-footer .btn {
    width: 100%;
  }

  /* Formulários em mobile */
  .row.g-2 > [class*="col-md-6"] {
    width: 100%;
  }

  .form-label {
    font-size: 13px;
  }

  .form-control,
  .form-select {
    font-size: 14px;
    padding: 10px 12px;
  }

  /* Botões em mobile */
  .d-flex.justify-content-between {
    flex-direction: column;
    gap: 12px;
  }

  .d-flex.justify-content-between .btn {
    width: 100%;
  }

  /* Toast em mobile */
  .toast-area {
    top: auto;
    bottom: 16px;
    right: 16px;
    left: 16px;
  }

  .toastx {
    min-width: 100%;
  }
}

/* ============================================
   RESPONSIVIDADE - MOBILE PEQUENO (< 480px)
   ============================================ */
@media (max-width: 479px) {
  .brand-title {
    font-size: 14px;
  }

  .brand-sub {
    font-size: 11px;
  }

  .nav-link {
    padding: 8px 10px;
    font-size: 14px;
  }

  .app-topbar {
    padding: 10px 12px;
  }

  .page-title {
    font-size: 13px;
  }

  .app-content {
    padding: 10px;
  }

  .table th,
  .table td {
    padding: 6px 4px;
    font-size: 11px;
  }

  /* Esconder colunas menos importantes em telas muito pequenas */
  .hide-mobile {
    display: none !important;
  }
}

/* Utilitários */
.text-truncate-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }

/* Overlay para sidebar mobile */
.sidebar-overlay {
  display: none;
}