:root {
  --bg-main: #0f172a;
  --bg-surface: #111827;
  --bg-card: #1e293b;
  --bg-card-hover: #273549;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(139, 92, 246, 0.5);
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --stage-novo-lead: #8b5cf6;
  --stage-em-atendimento: #3b82f6;
  --stage-qualificado: #f59e0b;
  --stage-proposta: #f97316;
  --stage-ganho: #10b981;
  --stage-perdido: #ef4444;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Modo Embutido 100% Nativo no Chatwoot */
body.is-embedded {
  background-color: #111827;
}

body.is-embedded .brand {
  display: none;
}

body.is-embedded .btn-primary {
  display: none !important;
}

body.is-embedded .topbar {
  padding: 10px 16px;
  background: rgba(17, 24, 39, 0.95);
  border-bottom: 1px solid var(--border-subtle);
}

body.is-embedded .stats-bar {
  padding: 8px 16px;
}

body.is-embedded .board-container {
  padding: 16px;
}

.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: rgba(17, 24, 39, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 20;
}

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

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

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

.brand-text h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

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

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-box input {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 9px 14px 9px 36px;
  color: var(--text-primary);
  font-size: 0.875rem;
  width: 280px;
  transition: var(--transition);
}

.search-box input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
  width: 320px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  border: none;
}

.btn svg {
  width: 16px;
  height: 16px;
}

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

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

.btn-primary {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #fff;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  transform: translateY(-1px);
}

/* Stats Bar */
.stats-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 10px 24px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

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

.stat-value {
  font-weight: 700;
  color: var(--text-primary);
}

.stat-value.highlight {
  color: #f59e0b;
}

.sync-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-full);
  color: #10b981;
  font-weight: 600;
  font-size: 0.75rem;
}

.sync-dot {
  width: 6px;
  height: 6px;
  background: #10b981;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.2); }
  100% { opacity: 1; transform: scale(1); }
}

/* Board Layout */
.board-container {
  flex: 1;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 20px 24px;
}

.board {
  display: flex;
  gap: 16px;
  height: 100%;
  min-width: max-content;
}

/* Kanban Column */
.column {
  width: 320px;
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 145px);
  transition: var(--transition);
}

.column.drag-over {
  border-color: var(--border-focus);
  background: rgba(139, 92, 246, 0.08);
  box-shadow: 0 0 16px rgba(139, 92, 246, 0.15);
}

.column-header {
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.column-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.stage-pill {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.column-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
}

.column-count {
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.column-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Card Styling */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  cursor: grab;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  user-select: none;
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.card.dragging {
  opacity: 0.4;
  cursor: grabbing;
  transform: scale(0.98);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  overflow: hidden;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-title-box {
  flex: 1;
  min-width: 0;
}

.card-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-phone {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.unread-badge {
  background: #ef4444;
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: var(--radius-full);
}

.card-snippet {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.2);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 6px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.open-chat-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #60a5fa;
  font-weight: 600;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.open-chat-btn:hover {
  background: rgba(96, 165, 250, 0.1);
  color: #93c5fd;
}

/* Empty State */
.empty-column {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-muted);
  font-size: 0.8125rem;
  border: 2px dashed rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  margin: 8px 0;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-focus);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 100;
  pointer-events: none;
}

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

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Embedded Mode inside Chatwoot */
body.is-embedded {
  background: #111417;
}

body.is-embedded .topbar {
  padding: 10px 20px;
  background: #16191d;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

body.is-embedded .brand-subtitle {
  display: none;
}

body.is-embedded .brand h1 {
  font-size: 1.15rem;
}

body.is-embedded .btn-primary {
  display: none;
}

body.is-embedded .stats-bar {
  background: #131619;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 8px 20px;
}

body.is-embedded .board-container {
  padding: 16px 20px;
  height: calc(100vh - 105px);
}