:root {
  --bg-primary: #0a0f1d;
  --bg-secondary: #111827;
  --bg-card: #1e293b;
  --bg-hover: #334155;
  --border-color: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-primary: #3b82f6;
  --accent-primary-hover: #2563eb;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;
  --accent-purple: #8b5cf6;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --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 -2px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  padding-bottom: 90px; /* Space for sticky player */
  min-height: 100vh;
}

code, pre {
  font-family: 'JetBrains Mono', monospace;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(17, 24, 39, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.nav-logo {
  font-size: 1.75rem;
  background: linear-gradient(135deg, #2563eb, #8b5cf6);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.4);
}

.nav-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
}

.nav-sub {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.project-selector-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.select-input {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  outline: none;
  cursor: pointer;
  transition: all 0.2s;
}

.select-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: white;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.5);
}

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

.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: #475569;
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

.btn-call {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.35);
}

.btn-call:hover {
  background: linear-gradient(135deg, #34d399, #10b981);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.5);
}

/* Container */
.container {
  max-width: 1360px;
  margin: 1.5rem auto;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* KPI Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s, border-color 0.2s;
  position: relative;
  overflow: hidden;
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: #475569;
}

.stat-card.highlight {
  border-color: rgba(16, 185, 129, 0.4);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(17, 24, 39, 0.95));
}

.stat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.stat-label {
  font-size: 0.825rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.stat-icon {
  font-size: 1.25rem;
}

.stat-value {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 0.35rem;
}

.stat-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--accent-success);
  box-shadow: 0 0 8px var(--accent-success);
  animation: pulse 2s infinite;
}

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

/* Panels */
.panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.panel-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

.panel-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

/* Action Row */
.action-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .action-row {
    grid-template-columns: 1fr;
  }
}

/* Quick Dial Tester */
.dial-form {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.input-group {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0 0.85rem;
  flex: 1;
}

.input-prefix {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-right: 0.5rem;
  padding-right: 0.5rem;
  border-right: 1px solid var(--border-color);
}

.input-group input {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 0.95rem;
  padding: 0.65rem 0;
  width: 100%;
  outline: none;
  font-family: inherit;
}

.dial-feedback {
  margin-top: 0.85rem;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.dial-feedback.success {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.dial-feedback.error {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Projects Pill List */
.project-pill-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  max-height: 180px;
  overflow-y: auto;
}

.project-pill-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.project-pill-item:hover {
  background: var(--bg-hover);
  border-color: #475569;
}

.project-pill-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: #fff;
}

.project-pill-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Table */
.table-responsive {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.data-table th {
  background: var(--bg-card);
  padding: 0.85rem 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(51, 65, 85, 0.5);
  vertical-align: middle;
}

.data-table tbody tr:hover {
  background: rgba(30, 41, 59, 0.5);
}

/* Status Badges */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: capitalize;
}

.status-completed {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-answered {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.status-ringing {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-failed, .status-busy {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-table-play {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: #1e293b;
  border: 1px solid #3b82f6;
  color: #60a5fa;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-table-play:hover {
  background: #3b82f6;
  color: white;
}

/* Persistent Bottom Audio Player */
.audio-player-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 76px;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(16px);
  border-top: 1px solid #3b82f6;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  z-index: 100;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.player-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 240px;
}

.player-icon {
  font-size: 1.5rem;
  background: var(--bg-card);
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.player-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
}

.player-sub {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex: 1;
  max-width: 650px;
  margin: 0 2rem;
}

.btn-play {
  background: var(--accent-primary);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: white;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.5);
  transition: all 0.2s;
  flex-shrink: 0;
}

.btn-play:hover {
  transform: scale(1.08);
  background: var(--accent-primary-hover);
}

.timeline-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.timeline-wrap input[type=range] {
  flex: 1;
  -webkit-appearance: none;
  height: 6px;
  border-radius: 3px;
  background: #334155;
  outline: none;
  cursor: pointer;
}

.timeline-wrap input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #60a5fa;
  cursor: pointer;
  box-shadow: 0 0 6px rgba(96, 165, 250, 0.8);
}

.player-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.btn-close-player {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.15rem;
  cursor: pointer;
  padding: 0.4rem;
  border-radius: var(--radius-sm);
  transition: color 0.2s;
}

.btn-close-player:hover {
  color: #fff;
  background: var(--bg-hover);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1.5rem;
}

.modal-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 540px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: modalPop 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-lg {
  max-width: 780px;
}

@keyframes modalPop {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  color: #fff;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: 1.15rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-group input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: #fff;
  padding: 0.65rem 0.85rem;
  font-size: 0.9rem;
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s;
}

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

.help-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
  display: block;
}

/* Credentials Card */
.credentials-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.cred-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(51, 65, 85, 0.5);
  font-size: 0.875rem;
}

.cred-row:last-child {
  border-bottom: none;
}

.cred-label {
  color: var(--text-secondary);
  font-weight: 500;
}

.copy-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-primary);
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.copy-box code {
  color: #38bdf8;
  font-size: 0.825rem;
}

.btn-copy {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
}

.btn-copy:hover {
  color: #fff;
  background: var(--bg-hover);
}

/* Code Tabs */
.code-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 0.85rem;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.825rem;
  font-weight: 600;
  padding: 0.5rem 0.85rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

.tab-content pre {
  background: #060913;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.825rem;
  line-height: 1.6;
  color: #cbd5e1;
}