:root {
  --bg-deep: #07080b;
  --bg-panel: #0f1118;
  --bg-card: #151822;
  --bg-input: #0a0b0f;
  --text-main: #f0f2f7;
  --text-muted: #8b92a4;
  --neon-red: #ff1e27;
  --neon-red-glow: rgba(255, 30, 39, 0.45);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(255, 30, 39, 0.35);
  --success: #00e676;
  --warning: #ffb300;
  --purple: #b388ff;
  --font-display: 'Archivo', sans-serif;
  --font-ui: 'Inter Tight', sans-serif;
}

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

body.nexus-ai-body {
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-ui);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ==================== LOGIN OVERLAY ==================== */
.auth-overlay {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at center, rgba(20, 24, 36, 0.95) 0%, rgba(5, 6, 8, 0.98) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  backdrop-filter: blur(12px);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-panel);
  border: 1px solid var(--border-accent);
  border-radius: 16px;
  padding: 36px 30px;
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.8), 0 0 30px var(--neon-red-glow);
}

.auth-header {
  text-align: center;
  margin-bottom: 26px;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--neon-red);
  background: rgba(255, 30, 39, 0.1);
  padding: 6px 14px;
  border-radius: 9999px;
  border: 1px solid rgba(255, 30, 39, 0.3);
  margin-bottom: 14px;
}

.auth-header h2 {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.auth-header p {
  color: var(--text-muted);
  font-size: 13px;
}

.auth-form .form-group {
  margin-bottom: 18px;
}

.auth-form label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.auth-form input, select, textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 12px 14px;
  color: #ffffff;
  font-family: var(--font-ui);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.auth-form input:focus, select:focus, textarea:focus {
  border-color: var(--neon-red);
  box-shadow: 0 0 10px rgba(255, 30, 39, 0.35);
}

.auth-error-msg {
  background: rgba(255, 30, 39, 0.15);
  border: 1px solid var(--neon-red);
  color: #ff858a;
  padding: 10px;
  border-radius: 6px;
  font-size: 12px;
  margin-bottom: 16px;
  text-align: center;
}

.auth-footer {
  margin-top: 22px;
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
}

/* ==================== BUTTONS ==================== */
.btn-primary-neon {
  background: linear-gradient(135deg, #ff1e27, #b80d14);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  box-shadow: 0 0 18px rgba(255, 30, 39, 0.45);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary-neon:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 25px rgba(255, 30, 39, 0.7);
}

.btn-secondary-dark {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 8px 16px;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.btn-secondary-dark:hover {
  background: #1d212e;
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-sm-neon {
  background: rgba(255, 30, 39, 0.15);
  color: var(--neon-red);
  border: 1px solid rgba(255, 30, 39, 0.4);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-block {
  width: 100%;
}

/* ==================== APP LAYOUT ==================== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
  width: 260px;
  background: var(--bg-panel);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.brand-glow-hex {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 30, 39, 0.15);
  border: 1px solid var(--neon-red);
  color: var(--neon-red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 0 14px var(--neon-red-glow);
}

.brand-title {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.08em;
  color: #fff;
}

.brand-title strong {
  color: var(--neon-red);
}

.brand-sub {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
}

.sidebar-nav {
  padding: 16px 10px;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  background: transparent;
  color: var(--text-muted);
  border: none;
  border-radius: 8px;
  font-family: var(--font-ui);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: all 0.2s;
  position: relative;
}

.nav-item i {
  font-size: 18px;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.04);
  color: #ffffff;
}

.nav-item.active {
  background: rgba(255, 30, 39, 0.12);
  color: #ffffff;
  border: 1px solid rgba(255, 30, 39, 0.35);
  box-shadow: 0 0 15px rgba(255, 30, 39, 0.2);
}

.nav-badge {
  margin-left: auto;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 9999px;
}

.nav-badge.alert {
  background: var(--neon-red);
}

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid var(--border-subtle);
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 10px;
}

.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--neon-red);
}

.user-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.u-name {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
}

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

.btn-logout {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  transition: color 0.2s;
}

.btn-logout:hover {
  color: var(--neon-red);
}

/* MAIN VIEWPORT */
.main-content {
  margin-left: 260px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  background: rgba(15, 17, 24, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 90;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-left h1 {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: -0.01em;
}

.live-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 230, 118, 0.1);
  color: var(--success);
  border: 1px solid rgba(0, 230, 118, 0.3);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 9999px;
  letter-spacing: 0.04em;
}

.dot-live {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
  animation: pulseLive 2s infinite;
}

@keyframes pulseLive {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

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

.engine-indicator {
  display: flex;
  gap: 6px;
}

.tag-jev, .tag-gemini {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 6px;
}

.tag-jev {
  background: rgba(255, 30, 39, 0.15);
  border: 1px solid rgba(255, 30, 39, 0.4);
  color: var(--neon-red);
}

.tag-gemini {
  background: rgba(0, 149, 255, 0.15);
  border: 1px solid rgba(0, 149, 255, 0.4);
  color: #40a9ff;
}

.tab-viewport {
  padding: 24px 28px;
  flex: 1;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* ==================== KPI CARDS ==================== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.kpi-card.warning { border-color: rgba(255, 179, 0, 0.3); }
.kpi-card.success { border-color: rgba(0, 230, 118, 0.3); }
.kpi-card.purple { border-color: rgba(179, 136, 255, 0.3); }

.kpi-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
}

.kpi-card.warning .kpi-icon { color: var(--warning); background: rgba(255, 179, 0, 0.1); }
.kpi-card.success .kpi-icon { color: var(--success); background: rgba(0, 230, 118, 0.1); }
.kpi-card.purple .kpi-icon { color: var(--purple); background: rgba(179, 136, 255, 0.1); }

.kpi-lbl {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  display: block;
  margin-bottom: 4px;
}

.kpi-val {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  display: block;
  line-height: 1;
}

.kpi-val.text-neon { color: var(--neon-red); }

.kpi-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
}

.dashboard-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.content-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
}

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

.panel-header h3 {
  font-family: var(--font-display);
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel-body {
  padding: 20px;
}

/* ==================== TABLES ==================== */
.table-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-muted);
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
}

.data-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* BADGES */
.badge-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
}

.badge-tag.vip { background: rgba(255, 179, 0, 0.15); color: #ffd54f; border: 1px solid rgba(255, 179, 0, 0.4); }
.badge-tag.activo { background: rgba(0, 230, 118, 0.15); color: #69f0ae; border: 1px solid rgba(0, 230, 118, 0.4); }
.badge-tag.vencido { background: rgba(255, 30, 39, 0.15); color: #ff5252; border: 1px solid rgba(255, 30, 39, 0.4); }
.badge-tag.urgente { background: var(--neon-red); color: #fff; }

/* ==================== WHATSAPP MANAGER ==================== */
.wa-manager-container {
  display: grid;
  grid-template-columns: 320px 1fr;
  height: calc(100vh - 140px);
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
}

.chat-sidebar {
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
}

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

.chat-thread-list {
  flex: 1;
  overflow-y: auto;
}

.chat-thread-item {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: background 0.2s;
}

.chat-thread-item:hover {
  background: rgba(255, 255, 255, 0.03);
}

.chat-thread-item.active {
  background: rgba(255, 30, 39, 0.12);
  border-left: 3px solid var(--neon-red);
}

.chat-thread-name {
  font-weight: 700;
  font-size: 13.5px;
  display: flex;
  justify-content: space-between;
  margin-bottom: 4px;
}

.chat-thread-preview {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-main-view {
  display: flex;
  flex-direction: column;
  background: var(--bg-deep);
}

.chat-active-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-panel);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.phone-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.chat-messages-scroll {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.msg-bubble {
  max-width: 70%;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 13.5px;
  line-height: 1.45;
}

.msg-bubble.inbound {
  align-self: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
}

.msg-bubble.outbound {
  align-self: flex-end;
  background: rgba(255, 30, 39, 0.2);
  border: 1px solid rgba(255, 30, 39, 0.4);
}

.chat-ai-dock {
  background: var(--bg-panel);
  border-top: 1px solid var(--border-subtle);
  padding: 16px 20px;
}

.ai-dock-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.ai-pill {
  font-size: 11px;
  font-weight: 700;
  color: #40a9ff;
  display: flex;
  align-items: center;
  gap: 4px;
}

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

.ai-input-wrap textarea {
  resize: none;
}

.ai-dock-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 10px;
}

/* ==================== RENEWAL CARDS ==================== */
.renewal-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.renewal-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-accent);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.renewal-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.renewal-card-body p {
  font-size: 13px;
  line-height: 1.4;
  color: #d1d5db;
  background: rgba(0, 0, 0, 0.25);
  padding: 12px;
  border-radius: 8px;
  margin: 12px 0;
  border-left: 3px solid var(--neon-red);
}

/* ==================== KANBAN PIPELINE ==================== */
.kanban-pipeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 18px;
}

.kanban-col {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 16px;
  min-height: 480px;
}

.kanban-col-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 14px;
}

.kanban-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 12px;
}

.kanban-card h5 {
  font-size: 14px;
  margin-bottom: 4px;
}

/* ==================== CONTROL CENTER ==================== */
.control-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.control-form .form-group {
  margin-bottom: 16px;
}

.control-form label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.control-form small {
  display: block;
  font-size: 11px;
  color: #71788e;
  margin-top: 4px;
}

.test-bench-box textarea {
  margin-top: 6px;
}

.test-bench-results {
  margin-top: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 16px;
}

.result-box {
  margin-top: 10px;
  font-size: 13px;
}

.result-box pre {
  background: #000;
  padding: 10px;
  border-radius: 6px;
  font-size: 11px;
  color: #69f0ae;
  overflow-x: auto;
  margin-top: 4px;
}

/* TOOLBAR & SEARCH */
.toolbar-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0 12px;
  flex: 1;
  max-width: 380px;
}

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

.search-box input {
  background: transparent;
  border: none;
  box-shadow: none;
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
  font-size: 13px;
}

.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 24px; }
.text-center { text-align: center; }