/* ==========================================================================
   Design System & Layout - WordPress Playground Multi-Instância
   ========================================================================== */

:root {
  --bg-main: #0b0f19;
  --bg-surface: #111827;
  --bg-sidebar: #0f172a;
  --bg-card: #1e293b;
  --bg-card-hover: #334155;
  --bg-input: #1e293b;
  
  --border-color: #334155;
  --border-light: #475569;
  
  --primary: #38bdf8;
  --primary-hover: #0284c7;
  --primary-glow: rgba(56, 189, 248, 0.2);
  
  --accent-success: #10b981;
  --accent-success-bg: rgba(16, 185, 129, 0.12);
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;
  --accent-danger-hover: #dc2626;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-drawer: -5px 0 25px rgba(0, 0, 0, 0.5);
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

.hidden {
  display: none !important;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  position: relative;
}

/* ==========================================================================
   Área Principal 100% Tela Cheia (WordPress Playground)
   ========================================================================== */

.fullscreen-viewport {
  width: 100vw;
  height: 100vh;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.full-frame-container {
  width: 100%;
  height: 100%;
  position: relative;
  background-color: #ffffff;
}

#wp-frame {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* ==========================================================================
   Botão Flutuante de Configurações (Engrenagem)
   ========================================================================== */

.floating-settings-btn {
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 90;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.floating-settings-btn:hover {
  background-color: rgba(30, 41, 59, 0.95);
  transform: scale(1.08);
  box-shadow: 0 6px 20px var(--primary-glow);
  border-color: var(--primary);
}

.floating-settings-btn:hover .settings-icon {
  transform: rotate(45deg);
}

.settings-icon {
  font-size: 18px;
  line-height: 1;
  transition: transform 0.3s ease;
  user-select: none;
}

.status-indicator-dot {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 2px solid #0f172a;
}

.status-indicator-dot.online {
  background-color: var(--accent-success);
  box-shadow: 0 0 6px var(--accent-success);
}

.status-indicator-dot.offline {
  background-color: var(--accent-warning);
  box-shadow: 0 0 6px var(--accent-warning);
}

/* ==========================================================================
   Overlay e Drawer Lateral Ocultável
   ========================================================================== */

.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(3px);
  z-index: 95;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.drawer-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.drawer-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 350px;
  max-width: 90vw;
  background-color: var(--bg-sidebar);
  border-left: 1px solid var(--border-color);
  box-shadow: var(--shadow-drawer);
  display: flex;
  flex-direction: column;
  height: 100%;
  z-index: 100;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
}

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

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

.brand-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
  font-size: 15px;
  box-shadow: 0 0 10px var(--primary-glow);
}

.brand-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

.brand-subtitle {
  font-size: 11px;
  color: var(--text-secondary);
}

.btn-icon-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.btn-icon-close:hover {
  color: var(--text-primary);
  background-color: var(--bg-card);
}

/* ==========================================================================
   Navegação Rápida & Status Interno do Drawer
   ========================================================================== */

.sidebar-quick-nav {
  padding: 14px 16px;
  background-color: #0c1322;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.current-instance-badge-container {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.label-tiny {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.current-instance-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-button-group {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 6px;
}

.btn-nav-view {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: all var(--transition-fast);
}

.btn-nav-view:hover {
  color: var(--text-primary);
  border-color: var(--border-light);
}

.btn-nav-view.active {
  background-color: #0284c7;
  color: #fff;
  border-color: #0369a1;
}

.network-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
  width: fit-content;
}

.network-badge.online {
  background-color: var(--accent-success-bg);
  color: var(--accent-success);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.network-badge.offline {
  background-color: rgba(245, 158, 11, 0.12);
  color: var(--accent-warning);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.network-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: currentColor;
}

/* ==========================================================================
   Ações e Lista de Instâncias
   ========================================================================== */

.sidebar-actions {
  padding: 12px 16px 8px 16px;
}

.btn-new-instance {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--primary);
  color: #0f172a;
  border: none;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.btn-new-instance:hover {
  background-color: #7dd3fc;
  transform: translateY(-1px);
}

.instances-list-header {
  padding: 10px 18px 6px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.instances-scroll-area {
  flex: 1;
  overflow-y: auto;
  padding: 6px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.instance-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.instance-card:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-light);
}

.instance-card.active {
  border-color: var(--primary);
  background: linear-gradient(145deg, #1e293b, #1e3a5f);
  box-shadow: 0 0 0 1px var(--primary), 0 4px 12px var(--primary-glow);
}

.instance-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.instance-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 210px;
}

.instance-meta-tags {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-secondary);
}

.tag-badge {
  background-color: #0f172a;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid #334155;
  font-size: 10px;
}

.instance-actions-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 2px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 6px;
}

.btn-icon-mini {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 3px 6px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.btn-icon-mini:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.08);
}

.btn-icon-mini.danger:hover {
  color: var(--accent-danger);
  background-color: rgba(239, 68, 68, 0.15);
}

.sidebar-footer {
  padding: 14px 18px;
  border-top: 1px solid var(--border-color);
  background-color: #0c1322;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-btn-row {
  display: flex;
  gap: 8px;
}

.btn-action {
  flex: 1;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.btn-action:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-light);
}

.btn-action.primary {
  background-color: #0284c7;
  border-color: #0369a1;
  color: #fff;
}

.btn-action.primary:hover {
  background-color: #0369a1;
}

/* ==========================================================================
   Loading Overlay
   ========================================================================== */

.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 50;
  transition: opacity var(--transition-normal);
}

.loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.spinner {
  width: 44px;
  height: 44px;
  border: 3px solid rgba(56, 189, 248, 0.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-text {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
}

/* ==========================================================================
   Modais
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 120;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 460px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: modalPop 0.2s ease-out;
}

@keyframes modalPop {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

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

.modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.btn-modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 22px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
}

.btn-modal-close:hover {
  color: var(--text-primary);
  background-color: var(--bg-card);
}

.modal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input, .form-select {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 10px 12px;
  font-size: 13px;
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-input:focus, .form-select:focus {
  border-color: var(--primary);
}

.form-hint {
  font-size: 11px;
  color: var(--text-muted);
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-sidebar);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.url-input-container {
  display: flex;
  align-items: center;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.url-prefix {
  background-color: rgba(0, 0, 0, 0.25);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 10px 10px;
  border-right: 1px solid var(--border-color);
  user-select: none;
}

.form-input.url-field {
  border: none;
  border-radius: 0;
  flex: 1;
}

.form-input.url-field:focus {
  border: none;
}

.url-input-container:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}

.tag-badge.url-badge {
  color: var(--primary);
  background-color: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.25);
  font-weight: 600;
}

/* ==========================================================================
   Feedback e Toast
   ========================================================================== */

#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 200;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
}

#toast.show {
  transform: translateY(0);
  opacity: 1;
}

#toast.success {
  border-left: 4px solid var(--accent-success);
}

#toast.error {
  border-left: 4px solid var(--accent-danger);
}