:root {
  --bg-dark: #070a13;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(99, 102, 241, 0.3);
  --primary: #6366f1;
  --primary-glow: rgba(99, 102, 241, 0.35);
  --cyan: #06b6d4;
  --emerald: #10b981;
  --amber: #f59e0b;
  --rose: #f43f5e;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: 'Plus Jakarta Sans', sans-serif;
  min-height: 100vh;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
}

/* Header */
header {
  padding: 18px 36px;
  background: rgba(11, 15, 25, 0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 0 20px var(--primary-glow);
}

.brand-title {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-sub {
  font-size: 0.75rem;
  color: var(--cyan);
  font-weight: 600;
}

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

.btn {
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #4f46e5);
  color: #fff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Main Container */
main {
  max-width: 1560px;
  margin: 0 auto;
  padding: 28px 36px;
  width: 100%;
  flex: 1;
}

/* KPI Ribbon */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px;
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}

.kpi-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-highlight);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  opacity: 0.7;
}

.kpi-card.hot::before { background: var(--rose); }
.kpi-card.warm::before { background: var(--amber); }
.kpi-card.cold::before { background: var(--cyan); }
.kpi-card.visit::before { background: var(--emerald); }

.kpi-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.kpi-value {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.kpi-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 4px;
}

/* Content Layout (Split: Leads on Left, Detail Drawer on Right) */
.dashboard-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 24px;
  align-items: start;
}

@media (max-width: 1100px) {
  .dashboard-layout {
    grid-template-columns: 1fr;
  }
}

/* Leads Section */
.leads-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 24px;
  backdrop-filter: blur(16px);
}

.filter-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.search-input {
  flex: 1;
  min-width: 200px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 10px 14px;
  color: #fff;
  font-family: inherit;
  font-size: 0.85rem;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
}

.tab-btn {
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all 0.2s;
}

.tab-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 14px var(--primary-glow);
}

.leads-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: calc(100vh - 360px);
  overflow-y: auto;
  padding-right: 6px;
}

.lead-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.lead-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateX(2px);
}

.lead-card.active {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.12);
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.2);
}

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

.lead-name {
  font-size: 0.95rem;
  font-weight: 700;
}

.temp-badge {
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 6px;
  font-weight: 700;
  text-transform: uppercase;
}

.temp-badge.hot { background: rgba(244, 63, 94, 0.15); color: #fb7185; border: 1px solid rgba(244, 63, 94, 0.3); }
.temp-badge.warm { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.temp-badge.cold { background: rgba(6, 182, 212, 0.15); color: #38bdf8; border: 1px solid rgba(6, 182, 212, 0.3); }

.lead-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.lead-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.lead-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.chip {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

/* Detail Intelligence Panel */
.detail-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 26px;
  backdrop-filter: blur(16px);
  position: sticky;
  top: 92px;
}

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

.score-badge {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 3px solid var(--primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 0 16px var(--primary-glow);
}

.score-badge span {
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: -3px;
}

/* Audio Player */
.audio-player-box {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 20px;
}

audio {
  width: 100%;
  height: 38px;
  border-radius: 8px;
}

/* Dual Transcript Tabs */
.transcript-nav {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.transcript-tab {
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.78rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  cursor: pointer;
}

.transcript-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.transcript-content {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 16px;
  max-height: 220px;
  overflow-y: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  line-height: 1.6;
  white-space: pre-wrap;
  color: #cbd5e1;
}

/* AI Recommendations & Coaching */
.intel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}

.intel-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 14px;
}

.intel-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.action-card {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--border-highlight);
  border-radius: 12px;
  padding: 14px;
  margin-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.action-btn-whatsapp {
  background: #25d366;
  color: #fff;
  border: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.8rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}