@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── CSS Variables — Dark Theme (default) ──────────────────────────── */

:root,
[data-theme="dark"] {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-card-hover: rgba(31, 41, 55, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-color: rgba(255, 255, 255, 0.06);
  --border-glow: rgba(99, 102, 241, 0.3);

  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --text-accent: #a5b4fc;

  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
  --purple: #a78bfa;

  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --info: #3b82f6;
  --info-bg: rgba(59, 130, 246, 0.1);

  --header-bg: rgba(10, 14, 26, 0.8);
  --table-head-bg: rgba(99, 102, 241, 0.06);
  --table-row-hover: rgba(99, 102, 241, 0.04);
  --table-border: rgba(255, 255, 255, 0.03);
  --scrollbar-thumb: rgba(255, 255, 255, 0.1);
  --scrollbar-thumb-hover: rgba(255, 255, 255, 0.2);

  --gradient-mesh-1: rgba(99, 102, 241, 0.08);
  --gradient-mesh-2: rgba(139, 92, 246, 0.06);
  --gradient-mesh-3: rgba(168, 85, 247, 0.03);

  --calendar-filter: invert(1);
}

/* ── CSS Variables — Light Theme ───────────────────────────────────── */

[data-theme="light"] {
  --bg-primary: #f5f7fb;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(243, 244, 246, 0.9);
  --bg-glass: rgba(0, 0, 0, 0.02);
  --border-color: rgba(0, 0, 0, 0.08);
  --border-glow: rgba(99, 102, 241, 0.25);

  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --text-accent: #4f46e5;

  --accent-primary: #6366f1;
  --accent-secondary: #7c3aed;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #7c3aed 50%, #9333ea 100%);
  --purple: #7c3aed;

  --success: #059669;
  --success-bg: rgba(5, 150, 105, 0.08);
  --warning: #d97706;
  --warning-bg: rgba(217, 119, 6, 0.08);
  --danger: #dc2626;
  --danger-bg: rgba(220, 38, 38, 0.08);
  --info: #2563eb;
  --info-bg: rgba(37, 99, 235, 0.08);

  --header-bg: rgba(255, 255, 255, 0.85);
  --table-head-bg: rgba(99, 102, 241, 0.04);
  --table-row-hover: rgba(99, 102, 241, 0.04);
  --table-border: rgba(0, 0, 0, 0.04);
  --scrollbar-thumb: rgba(0, 0, 0, 0.12);
  --scrollbar-thumb-hover: rgba(0, 0, 0, 0.2);

  --gradient-mesh-1: rgba(99, 102, 241, 0.04);
  --gradient-mesh-2: rgba(139, 92, 246, 0.03);
  --gradient-mesh-3: rgba(168, 85, 247, 0.015);

  --calendar-filter: none;
}

/* ── Shared constants ──────────────────────────────────────────────── */

:root {
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);

  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* ── Reset & Base ──────────────────────────────────────────────────── */

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

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background var(--transition-slow), color var(--transition-slow);
}

/* Background gradient mesh */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 0%, var(--gradient-mesh-1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, var(--gradient-mesh-2) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, var(--gradient-mesh-3) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transition: background var(--transition-slow);
}

/* ── App Layout (Sidebar + Main) ───────────────────────────────────── */

.app-layout {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ───────────────────────────────────────────────────────── */

.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 200;
  transition: background var(--transition-slow), border-color var(--transition-slow), transform 300ms ease;
}

.sidebar-overlay {
  display: none;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 20px 24px;
}

.brand-text {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 12px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

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

.sidebar-item.active {
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-primary);
  font-weight: 600;
}

.sidebar-item.active svg {
  stroke: var(--accent-primary);
}

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border-color);
}

.sidebar-footer .theme-toggle {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  justify-content: flex-start;
}

.sidebar-footer .theme-toggle:hover {
  transform: none;
}

/* ── Main Wrapper ──────────────────────────────────────────────────── */

.main-wrapper {
  flex: 1;
  margin-left: 220px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Topbar ────────────────────────────────────────────────────────── */

.topbar {
  background: var(--header-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 28px;
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: background var(--transition-slow), border-color var(--transition-slow);
}

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

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

.page-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 4px;
}

/* Keep legacy .header/.app for backwards compat */
.app { position: relative; z-index: 1; min-height: 100vh; }

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: var(--shadow-glow);
  color: white;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
  transition: all var(--transition-normal);
}

.connection-status.disconnected {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.2);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.last-updated {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ── Theme Toggle ──────────────────────────────────────────────────── */

.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-glass);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--border-glow);
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
  transform: rotate(15deg);
}

/* In dark mode, show the sun icon (switch to light) */
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }

/* In light mode, show the moon icon (switch to dark) */
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* ── Date Filter ───────────────────────────────────────────────────── */

.date-filter {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 6px 12px;
  transition: background var(--transition-slow), border-color var(--transition-slow);
}

.date-filter label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.date-filter input[type="date"] {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.85rem;
  padding: 4px 8px;
  outline: none;
  cursor: pointer;
}

.date-filter input[type="date"]::-webkit-calendar-picker-indicator {
  filter: var(--calendar-filter);
  cursor: pointer;
}

/* ── Main Content ──────────────────────────────────────────────────── */

.main-content {
  padding: 24px 32px;
  max-width: 1600px;
  margin: 0 auto;
}

/* ── KPI Summary Bar ───────────────────────────────────────────────── */

.kpi-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.kpi-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

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

.kpi-card:hover::before {
  opacity: 1;
}

.kpi-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.kpi-value {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.1;
}

.kpi-value.accent { color: var(--accent-primary); }
.kpi-value.success { color: var(--success); }
.kpi-value.warning { color: var(--warning); }
.kpi-value.danger { color: var(--danger); }
.kpi-value.info { color: var(--info); }

.kpi-sub {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 6px;
}

/* ── Section Headers ───────────────────────────────────────────────── */

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.section-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.2px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title .icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.section-badge {
  background: var(--accent-gradient);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
  letter-spacing: 0.5px;
}

/* ── Agent Performance Table ───────────────────────────────────────── */

.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 28px;
  transition: background var(--transition-slow), border-color var(--transition-slow);
}

.table-scroll {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

thead {
  background: var(--table-head-bg);
}

th {
  padding: 14px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  white-space: nowrap;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
}

td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--table-border);
  white-space: nowrap;
  transition: background var(--transition-fast);
}

tr:hover td {
  background: var(--table-row-hover);
}

tr:last-child td {
  border-bottom: none;
}

.agent-name {
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.agent-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.cell-number {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.cell-duration {
  font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.cell-rate {
  font-weight: 700;
}

.rate-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
}

.rate-badge.high {
  background: var(--success-bg);
  color: var(--success);
}

.rate-badge.medium {
  background: var(--warning-bg);
  color: var(--warning);
}

.rate-badge.low {
  background: var(--danger-bg);
  color: var(--danger);
}

/* ── Active Calls Panel ────────────────────────────────────────────── */

.active-calls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}

.active-call-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  transition: all var(--transition-normal);
  animation: slideIn 300ms ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.active-call-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.call-pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
  flex-shrink: 0;
  margin-top: 5px;
  animation: pulse-call 1.5s infinite;
}

@keyframes pulse-call {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  50% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
}

.call-info {
  flex: 1;
  min-width: 0;
}

.call-agent {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.call-details {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.call-detail-tag {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  padding: 2px 8px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.call-direction {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 3px 8px;
  border-radius: 4px;
}

.call-direction.inbound {
  background: var(--info-bg);
  color: var(--info);
}

.call-direction.outbound {
  background: var(--warning-bg);
  color: var(--warning);
}

/* ── Recent Events Feed ────────────────────────────────────────────── */

.events-feed {
  margin-bottom: 28px;
}

.event-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--table-border);
  font-size: 0.8rem;
  transition: background var(--transition-fast);
}

.event-item:hover {
  background: var(--table-row-hover);
}

.event-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.event-dot.answered { background: var(--success); }
.event-dot.missed { background: var(--danger); }
.event-dot.dialed { background: var(--info); }
.event-dot.unknown { background: var(--text-muted); }

.event-text {
  flex: 1;
  color: var(--text-secondary);
}

.event-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.event-time {
  color: var(--text-muted);
  font-size: 0.7rem;
  white-space: nowrap;
}

/* ── Empty State ───────────────────────────────────────────────────── */

.empty-state {
  text-align: center;
  padding: 48px 32px;
  color: var(--text-muted);
}

.empty-state .icon {
  margin-bottom: 16px;
  opacity: 0.4;
  display: flex;
  justify-content: center;
}

.empty-state h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 0.85rem;
  max-width: 400px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ── Buttons ───────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  background: var(--bg-glass);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn:hover {
  border-color: var(--border-glow);
  background: rgba(99, 102, 241, 0.1);
  box-shadow: var(--shadow-glow);
}

.btn-primary {
  background: var(--accent-gradient);
  border: none;
  color: white;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
}

.btn-sm {
  padding: 5px 12px;
  font-size: 0.75rem;
}

/* ── Simulate Panel ────────────────────────────────────────────────── */

.simulate-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 28px;
  transition: background var(--transition-slow), border-color var(--transition-slow);
}

.simulate-form {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.form-group input,
.form-group select {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.85rem;
  padding: 8px 12px;
  outline: none;
  transition: border-color var(--transition-fast), background var(--transition-slow);
  min-width: 140px;
}

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

/* ── Panels Grid ───────────────────────────────────────────────────── */

.panels-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
}

@media (max-width: 1024px) {
  .panels-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Toast Notifications ───────────────────────────────────────────── */

.toast-container {
  position: fixed;
  top: 80px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-lg);
  animation: toastIn 300ms ease, toastOut 300ms ease 3s forwards;
  min-width: 280px;
  color: var(--text-primary);
}

.toast svg {
  flex-shrink: 0;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(100px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(100px); }
}

/* ── Scrollbar ─────────────────────────────────────────────────────── */

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

  .sidebar-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 199;
    opacity: 0;
    pointer-events: none;
    transition: opacity 300ms ease;
  }

  .sidebar-overlay.visible {
    opacity: 1;
    pointer-events: all;
  }

  .main-wrapper {
    margin-left: 0;
  }

  .sidebar-toggle {
    display: flex;
  }

  .topbar {
    padding: 12px 16px;
    flex-wrap: wrap;
  }

  .main-content {
    padding: 16px;
  }

  .kpi-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .kpi-card {
    padding: 14px;
  }

  .kpi-value {
    font-size: 1.4rem;
  }

  .panels-grid {
    grid-template-columns: 1fr;
  }

  .date-filter {
    width: 100%;
  }

  .simulate-form {
    flex-direction: column;
    align-items: stretch;
  }

  .form-group input,
  .form-group select {
    min-width: unset;
  }

  .kanban-board {
    flex-direction: column;
  }

  .kanban-column {
    min-width: unset;
    max-height: 400px;
  }
}

/* ── Kanban Board ──────────────────────────────────────────────────── */

.kanban-wrapper {
  position: relative;
}

.kanban-scroll-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.kanban-scroll-btn:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--border-glow);
  color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-50%) scale(1.1);
}

.kanban-scroll-btn.hidden {
  opacity: 0;
  pointer-events: none;
}

.kanban-scroll-left {
  left: -8px;
}

.kanban-scroll-right {
  right: -8px;
}

.kanban-board {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 16px;
  min-height: calc(100vh - 140px);
  max-height: calc(100vh - 140px);
}

.kanban-column {
  min-width: 280px;
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: background var(--transition-slow), border-color var(--transition-slow);
}

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

.kanban-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.kanban-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.kanban-count {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 100px;
  min-width: 24px;
  text-align: center;
}

.kanban-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.kanban-empty {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.kanban-load-more {
  text-align: center;
  padding: 12px 16px;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  border-top: 1px dashed var(--border-color);
  margin-top: 4px;
  animation: pulse-text 2s infinite;
}

/* Column accents */
.accent-blue .kanban-header::before { background: linear-gradient(90deg, #3b82f6, #6366f1); }
.accent-blue .kanban-count { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.accent-blue .kanban-title { color: #3b82f6; }

.accent-cyan .kanban-header::before { background: linear-gradient(90deg, #06b6d4, #22d3ee); }
.accent-cyan .kanban-count { background: rgba(6, 182, 212, 0.15); color: #06b6d4; }
.accent-cyan .kanban-title { color: #06b6d4; }

.accent-green .kanban-header::before { background: linear-gradient(90deg, #10b981, #34d399); }
.accent-green .kanban-count { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.accent-green .kanban-title { color: #10b981; }

.accent-orange .kanban-header::before { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.accent-orange .kanban-count { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.accent-orange .kanban-title { color: #f59e0b; }

.accent-red .kanban-header::before { background: linear-gradient(90deg, #ef4444, #f87171); }
.accent-red .kanban-count { background: rgba(239, 68, 68, 0.15); color: #ef4444; }
.accent-red .kanban-title { color: #ef4444; }

.accent-slate .kanban-header::before { background: linear-gradient(90deg, #64748b, #94a3b8); }
.accent-slate .kanban-count { background: rgba(100, 116, 139, 0.15); color: #64748b; }
.accent-slate .kanban-title { color: #64748b; }

/* ── Kanban Cards ──────────────────────────────────────────────────── */

.kanban-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  transition: all var(--transition-normal);
  animation: cardIn 250ms ease;
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.kanban-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.kanban-card[data-type="active"] {
  border-left: 3px solid var(--success);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.card-direction {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 3px 8px;
  border-radius: 4px;
}

.card-direction.inbound {
  background: var(--info-bg);
  color: var(--info);
}

.card-direction.outbound {
  background: var(--warning-bg);
  color: var(--warning);
}

.status-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.status-badge.connected { background: var(--success-bg); color: var(--success); }
.status-badge.ringing { background: rgba(6, 182, 212, 0.12); color: #06b6d4; }
.status-badge.waiting { background: var(--warning-bg); color: var(--warning); }
.status-badge.missed { background: var(--danger-bg); color: var(--danger); }
.status-badge.rejected { background: rgba(100, 116, 139, 0.12); color: #94a3b8; }
.status-badge.default { background: var(--bg-glass); color: var(--text-muted); }

.card-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.78rem;
}

.card-label {
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 500;
  flex-shrink: 0;
}

.card-value {
  color: var(--text-primary);
  font-weight: 500;
  text-align: right;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-value.agent-val {
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: flex-end;
}

.mini-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.55rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.card-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 400;
}

.card-duration {
  font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.card-duration.live {
  color: var(--success);
  animation: pulse-text 2s infinite;
}

@keyframes pulse-text {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}