/* ============================================================
   agentX — Electric Neon Noir Design System
   ============================================================ */

/* --- CSS Variables --- */
:root {
  /* Colors */
  --bg-base:      #181b24;
  --bg-surface:   #1e2231;
  --bg-elevated:  #262c3e;
  --bg-hover:     #2d3448;

  --border:       #343b52;
  --border-hover: #424c68;
  --border-focus: #00d4ff66;

  /* Cyan (primary accent) */
  --cyan:         #00d4ff;
  --cyan-dim:     rgba(0, 212, 255, 0.12);
  --cyan-glow:    rgba(0, 212, 255, 0.35);
  --cyan-text:    #00d4ff;

  /* Lime (secondary accent) */
  --lime:         #a3e635;
  --lime-dim:     rgba(163, 230, 53, 0.12);
  --lime-glow:    rgba(163, 230, 53, 0.35);

  /* Amber (warning) */
  --amber:        #fbbf24;
  --amber-dim:    rgba(251, 191, 36, 0.13);

  /* Red (danger) */
  --red:          #f87171;
  --red-dim:      rgba(248, 113, 113, 0.13);

  /* Purple */
  --purple:       #c084fc;
  --purple-dim:   rgba(192, 132, 252, 0.13);

  /* Text */
  --text-primary:   #f1f3fa;
  --text-secondary: #adb5cc;
  --text-muted:     #6b7494;

  /* Fonts */
  --font-display: 'Syne', sans-serif;
  --font-mono:    'DM Mono', monospace;
  --font-body:    'Plus Jakarta Sans', sans-serif;

  /* Sizing */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  14px;
  --radius-xl:  20px;

  /* Transitions */
  --transition: all 0.18s ease;
  --transition-slow: all 0.3s ease;

  /* Sidebar */
  --sidebar-width: 240px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { height: 100%; }

body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-primary);
  height: 100%;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Mobile: allow body scroll so content isn't clipped */
@media (max-width: 768px) {
  body { overflow: auto; }
}

a { color: inherit; text-decoration: none; cursor: pointer; }

/* --- App Shell Layout --- */
#app-shell {
  display: flex;
  height: 100vh;
  height: 100dvh; /* mobile-safe: excludes browser chrome */
  overflow: hidden;
}

/* --- Sidebar --- */
.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.logo-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--cyan-dim), var(--bg-elevated));
  border: 1px solid var(--cyan);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  box-shadow: 0 0 12px var(--cyan-glow);
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
}

.nav-section {
  flex: 1;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.nav-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  stroke: currentColor;
}

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

.nav-item.active {
  background: var(--cyan-dim);
  color: var(--cyan);
  border: 1px solid rgba(0, 212, 255, 0.15);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--cyan);
  border-radius: 0 2px 2px 0;
  box-shadow: 0 0 8px var(--cyan-glow);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan-dim), var(--bg-elevated));
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
  flex-shrink: 0;
}

/* --- Main Content --- */
.main-content {
  flex: 1;
  height: 100vh;
  height: 100dvh;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 32px;
  background: var(--bg-base);
  min-width: 0; /* prevent flex overflow */
}

@media (max-width: 768px) {
  .main-content {
    height: auto;
    min-height: 100dvh;
    padding: 16px;
    padding-top: 56px; /* space for mobile top bar */
  }
}

/* --- Page Header --- */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
}

.page-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.page-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* --- Card --- */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--border-hover);
}

.card-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

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

/* --- Buttons --- */
.btn-primary {
  background: var(--cyan);
  color: #0d0f14;
  border: none;
  border-radius: var(--radius-md);
  padding: 9px 18px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.btn-primary:hover {
  background: #1ae0ff;
  box-shadow: 0 0 20px var(--cyan-glow);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 9px 18px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

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

.btn-danger {
  background: var(--red-dim);
  color: var(--red);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-md);
  padding: 9px 18px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.15);
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.2);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: none;
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-family: var(--font-body);
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: var(--bg-elevated);
}

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.badge-cyan {
  background: var(--cyan-dim);
  color: var(--cyan);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.badge-lime {
  background: var(--lime-dim);
  color: var(--lime);
  border: 1px solid rgba(132, 204, 22, 0.2);
}

.badge-amber {
  background: var(--amber-dim);
  color: var(--amber);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-red {
  background: var(--red-dim);
  color: var(--red);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-purple {
  background: var(--purple-dim);
  color: var(--purple);
  border: 1px solid rgba(168, 85, 247, 0.2);
}

.badge-muted {
  background: var(--bg-elevated);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

/* --- Inputs --- */
.input, input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="url"], textarea, select {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 9px 12px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-primary);
  width: 100%;
  transition: var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.input:focus, input[type="text"]:focus, input[type="email"]:focus,
input[type="password"]:focus, input[type="number"]:focus,
input[type="url"]:focus, textarea:focus, select:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--border-focus);
}

.input::placeholder, textarea::placeholder {
  color: var(--text-muted);
}

textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234a5068' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
  cursor: pointer;
}

select option {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

/* Range slider */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--bg-elevated);
  border-radius: 2px;
  border: none;
  outline: none;
  padding: 0;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--cyan);
  cursor: pointer;
  box-shadow: 0 0 6px var(--cyan-glow);
  transition: var(--transition);
}

input[type="range"]::-webkit-slider-thumb:hover {
  box-shadow: 0 0 12px var(--cyan-glow);
}

/* --- Tabs --- */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 8px 14px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: -1px;
  white-space: nowrap;
}

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

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

.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13, 15, 20, 0.85);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  backdrop-filter: blur(4px);
}

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
}

.modal-lg {
  max-width: 760px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}

/* --- Form Groups --- */
.form-group {
  margin-bottom: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

/* --- Progress Bar --- */
.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--bg-elevated);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--lime));
  border-radius: 2px;
  transition: width 0.3s ease;
}

/* --- Toast --- */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 9998;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  min-width: 260px;
  max-width: 380px;
  border: 1px solid;
  transition: opacity 0.3s ease;
  pointer-events: auto;
}

.toast.success {
  background: rgba(132, 204, 22, 0.1);
  border-color: rgba(132, 204, 22, 0.3);
  color: var(--lime);
}

.toast.error {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--red);
}

.toast.info {
  background: rgba(0, 212, 255, 0.08);
  border-color: rgba(0, 212, 255, 0.25);
  color: var(--cyan);
}

.toast.warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--amber);
}

/* --- Drop Zone --- */
.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: var(--bg-base);
}

.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--cyan);
  background: var(--cyan-dim);
}

.drop-zone-icon {
  font-size: 32px;
  margin-bottom: 12px;
  opacity: 0.5;
}

.drop-zone-text {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.drop-zone-hint {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* --- Spinner --- */
.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

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

/* --- Toggle switch --- */
.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
}

.toggle-input { display: none; }

.toggle-switch {
  width: 40px;
  height: 22px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 11px;
  position: relative;
  transition: var(--transition);
  flex-shrink: 0;
}

.toggle-switch::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text-muted);
  top: 2px;
  left: 2px;
  transition: var(--transition);
}

.toggle-input:checked + .toggle-switch {
  background: var(--cyan-dim);
  border-color: var(--cyan);
}

.toggle-input:checked + .toggle-switch::after {
  transform: translateX(18px);
  background: var(--cyan);
}

/* --- Field label --- */
.field-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

/* --- Grid layouts --- */
.agents-grid, .prompts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

/* --- Stats --- */
.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* --- Pulse animation for voice --- */
@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* --- Voice agent specific --- */
.mic-button {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-surface));
  border: 2px solid var(--border);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
  position: relative;
}

.mic-button:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 40px var(--cyan-glow);
}

.mic-button.active {
  border-color: var(--cyan);
  box-shadow: 0 0 40px var(--cyan-glow), 0 0 80px rgba(0, 212, 255, 0.15);
  background: var(--cyan-dim);
}

.mic-button.speaking {
  border-color: var(--lime);
  box-shadow: 0 0 40px rgba(132, 204, 22, 0.4);
  background: var(--lime-dim);
}

.mic-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  animation: pulse-ring 1.5s ease-out infinite;
  display: none;
}

.mic-button.active .mic-ring { display: block; }

/* --- Conversation item --- */
.conv-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.conv-role {
  font-size: 11px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  min-width: 60px;
  padding-top: 2px;
}

.conv-role.user { color: var(--cyan); }
.conv-role.agent { color: var(--lime); }
.conv-text { font-size: 14px; color: var(--text-primary); }

/* --- Settings form --- */
.settings-section {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 24px;
}

.settings-section-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* --- Webhook test --- */
.payload-panel {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  min-height: 300px;
  white-space: pre-wrap;
  word-break: break-all;
  overflow-y: auto;
}

/* --- Divider --- */
.divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}

/* --- Status dot --- */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.status-dot.online { background: var(--lime); box-shadow: 0 0 6px var(--lime-glow); }
.status-dot.offline { background: var(--text-muted); }
.status-dot.warning { background: var(--amber); box-shadow: 0 0 6px rgba(245,158,11,0.4); }
.status-dot.error { background: var(--red); }

/* --- Scroll styling --- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }

/* --- Utility --- */
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.mb-4 { margin-bottom: 4px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.text-muted { color: var(--text-muted); }
.text-cyan { color: var(--cyan); }
.text-lime { color: var(--lime); }
.font-mono { font-family: var(--font-mono); }
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }