/* =====================================================================
   KAPTTO - PAINEL DE VENDAS WHATSAPP (DESIGN SYSTEM & ESTILOS)
   ===================================================================== */

:root {
  /* Color Tokens */
  --bg-main: #090d16;
  --bg-surface: #0f172a;
  --bg-surface-elevated: #1e293b;
  --bg-surface-hover: #273549;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.16);
  --border-active: #10b981;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Brand Accents */
  --brand-green: #10b981;
  --brand-green-hover: #059669;
  --brand-green-glow: rgba(16, 185, 129, 0.25);
  
  --status-novo: #a855f7;
  --status-novo-bg: rgba(168, 85, 247, 0.15);
  --status-conversando: #38bdf8;
  --status-conversando-bg: rgba(56, 189, 248, 0.15);
  --status-interessado: #f59e0b;
  --status-interessado-bg: rgba(245, 158, 11, 0.15);
  --status-vendido: #10b981;
  --status-vendido-bg: rgba(16, 185, 129, 0.15);
  --status-perdido: #64748b;
  --status-perdido-bg: rgba(100, 116, 139, 0.15);

  /* Chat Colors */
  --chat-bg: #0b1120;
  --bubble-user-bg: #1e293b;
  --bubble-user-border: rgba(255, 255, 255, 0.06);
  --bubble-ai-bg: #064e3b;
  --bubble-ai-border: rgba(16, 185, 129, 0.3);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.4);

  /* Typography */
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-main);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.24);
}

/* Layout */
.app-layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
}

/* Top Navbar */
.top-navbar {
  height: 68px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  gap: 20px;
  flex-shrink: 0;
  z-index: 20;
}

.brand-area {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 200px;
}

.brand-logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #10b981 0%, #047857 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  box-shadow: 0 0 16px var(--brand-green-glow);
}

.brand-meta {
  display: flex;
  flex-direction: column;
}

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

.brand-name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(90deg, #ffffff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge-pro {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

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

.pulse-dot {
  width: 7px;
  height: 7px;
  background-color: var(--brand-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--brand-green);
  animation: pulse-ring 2s infinite ease-in-out;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* KPI Container */
.kpi-container {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  justify-content: center;
  max-width: 760px;
}

.kpi-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 140px;
}

.kpi-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-color-hover);
  transform: translateY(-1px);
}

.kpi-icon {
  font-size: 20px;
  color: var(--text-muted);
}

.kpi-info {
  display: flex;
  flex-direction: column;
}

.kpi-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.kpi-value {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.kpi-conversando .kpi-icon { color: var(--status-conversando); }
.kpi-interessado .kpi-icon { color: var(--status-interessado); }
.kpi-vendido .kpi-icon { color: var(--status-vendido); }

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ai-provider-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: #a5b4fc;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
}

.ai-provider-badge i {
  color: #818cf8;
}

.btn-icon {
  width: 36px;
  height: 36px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  transition: all 0.2s;
}

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

.btn-secondary {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: var(--bg-surface-hover);
}

/* Main Workspace */
.main-content {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Left Sidebar (Leads) */
.sidebar-leads {
  width: 380px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: 8px;
  transition: border-color 0.2s;
}

.search-box:focus-within {
  border-color: var(--border-active);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.1);
}

.search-box i {
  color: var(--text-muted);
  font-size: 18px;
}

.search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font-main);
  width: 100%;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.btn-clear {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  display: flex;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: all 0.15s;
}

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

.chip.active {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--brand-green);
  color: var(--brand-green);
}

.chip-count {
  font-family: var(--font-mono);
  font-size: 10px;
  opacity: 0.8;
}

/* Leads List Container */
.leads-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.loading-state, .empty-leads-msg {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  color: var(--text-muted);
  font-size: 13px;
  gap: 12px;
  text-align: center;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--brand-green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Lead Card Item */
.lead-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  background: transparent;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
}

.lead-card:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--border-color);
}

.lead-card.active {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.3);
}

.lead-card.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  background-color: var(--brand-green);
  border-radius: 0 4px 4px 0;
}

.lead-card-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #1e293b;
  color: #cbd5e1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
  border: 2px solid transparent;
  text-transform: uppercase;
}

.lead-card[data-status="vendido"] .lead-card-avatar { border-color: var(--status-vendido); }
.lead-card[data-status="interessado"] .lead-card-avatar { border-color: var(--status-interessado); }
.lead-card[data-status="conversando"] .lead-card-avatar { border-color: var(--status-conversando); }
.lead-card[data-status="novo"] .lead-card-avatar { border-color: var(--status-novo); }
.lead-card[data-status="perdido"] .lead-card-avatar { border-color: var(--status-perdido); }

.lead-card-content {
  flex: 1;
  min-width: 0;
}

.lead-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2px;
}

.lead-card-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lead-card-time {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.lead-card-phone {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.lead-card-preview {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 4px;
}

.lead-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 6px;
}

.status-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 999px;
  letter-spacing: 0.3px;
}

.badge-novo { background: var(--status-novo-bg); color: var(--status-novo); border: 1px solid rgba(168, 85, 247, 0.3); }
.badge-conversando { background: var(--status-conversando-bg); color: var(--status-conversando); border: 1px solid rgba(56, 189, 248, 0.3); }
.badge-interessado { background: var(--status-interessado-bg); color: var(--status-interessado); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-vendido { background: var(--status-vendido-bg); color: var(--status-vendido); border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-perdido { background: var(--status-perdido-bg); color: var(--status-perdido); border: 1px solid rgba(100, 116, 139, 0.3); }

.msg-counter {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.sidebar-footer {
  padding: 10px 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.1);
}

.live-sync-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dot-blink {
  width: 6px;
  height: 6px;
  background-color: var(--brand-green);
  border-radius: 50%;
  animation: pulse-ring 1.5s infinite;
}

/* Right Main (Chat Viewport) */
.chat-viewport {
  flex: 1;
  background: var(--chat-bg);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

/* Empty State */
.empty-selection {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  padding: 40px;
  gap: 16px;
  max-width: 480px;
  margin: 0 auto;
}

.empty-icon {
  font-size: 64px;
  color: var(--text-muted);
  opacity: 0.4;
}

.empty-selection h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.empty-selection p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Active Chat Wrapper */
.active-chat-wrapper {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
}

/* Chat Header */
.chat-header {
  height: 72px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-shrink: 0;
}

.lead-active-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lead-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, #334155, #1e293b);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  color: #fff;
  border: 2px solid var(--border-color);
}

.lead-text-meta {
  display: flex;
  flex-direction: column;
}

.lead-name-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lead-name-row h2 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.lead-phone-pill {
  font-family: var(--font-mono);
  font-size: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 2px 8px;
  border-radius: 6px;
  color: var(--text-secondary);
}

.lead-sub-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.dot-separator {
  color: var(--border-color);
}

/* Chat Header CRM Controls */
.chat-header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.status-selector-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-selector-wrapper label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.status-select {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s;
}

.status-select:focus {
  border-color: var(--brand-green);
}

.btn-whatsapp-direct {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #25d366;
  color: #0b1120;
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  transition: opacity 0.2s;
}

.btn-whatsapp-direct:hover {
  opacity: 0.9;
}

/* Messages Stream */
.messages-stream {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* Message Bubble */
.msg-group {
  display: flex;
  flex-direction: column;
  max-width: 68%;
  gap: 4px;
}

.msg-group.client {
  align-self: flex-start;
}

.msg-group.agent {
  align-self: flex-end;
}

.msg-bubble {
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.55;
  position: relative;
  word-break: break-word;
  box-shadow: var(--shadow-sm);
}

.msg-group.client .msg-bubble {
  background: var(--bubble-user-bg);
  border: 1px solid var(--bubble-user-border);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
}

.msg-group.agent .msg-bubble {
  background: linear-gradient(135deg, #064e3b 0%, #047857 100%);
  border: 1px solid var(--bubble-ai-border);
  color: #ffffff;
  border-bottom-right-radius: 4px;
  box-shadow: 0 4px 12px rgba(4, 120, 87, 0.25);
}

.msg-header-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 6px;
}

.msg-group.client .msg-header-tag {
  color: #94a3b8;
}

.msg-group.agent .msg-header-tag {
  color: #6ee7b7;
}

.msg-time {
  font-family: var(--font-mono);
  font-size: 10px;
  opacity: 0.7;
  align-self: flex-end;
  margin-top: 4px;
  display: block;
}

/* Footer Info Bar */
.chat-footer-bar {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
}

.agent-info-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
}

.agent-info-bar i {
  color: var(--brand-green);
  font-size: 16px;
}

.auto-scroll-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

/* Responsive Rules */
@media (max-width: 960px) {
  .top-navbar {
    padding: 0 16px;
  }
  .kpi-container {
    display: none;
  }
  .sidebar-leads {
    width: 320px;
  }
}

@media (max-width: 720px) {
  .app-layout {
    flex-direction: column;
  }
  .sidebar-leads {
    width: 100%;
    height: 100%;
    display: flex;
  }
  .sidebar-leads.hidden-mobile {
    display: none;
  }
  .chat-viewport.hidden-mobile {
    display: none;
  }
}