:root {
  --bg-app: #09090b;
  --bg-surface: #121215;
  --bg-surface-elevated: #18181b;
  --bg-input: #050507;
  --border-color: #27272a;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: #52525b;
  --text-main: #f4f4f5;
  --text-muted: #a1a1aa;
  --text-subtle: #71717a;
  --accent-primary: #ffffff;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-indigo: #818cf8;
  --font-sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Strictly Eliminate Blue Box Tap Highlight Animations on Smartphones Everywhere */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent !important;
  -webkit-touch-callout: none !important;
  outline: none;
}

a, button, input, select, textarea, div, span, label, svg {
  -webkit-tap-highlight-color: transparent !important;
  -webkit-touch-callout: none !important;
}

html, body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  height: 100%;
  min-height: 100vh;
  min-height: -webkit-fill-available;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Custom CSS Toast Notification Container */
.toast-container {
  position: fixed;
  top: 64px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
  width: 90%;
  max-width: 420px;
}

.toast {
  pointer-events: auto;
  width: 100%;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.7);
  animation: slideInToastCenter 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.toast.success {
  border-color: rgba(16, 185, 129, 0.4);
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.12) 0%, var(--bg-surface) 100%);
}

.toast.error {
  border-color: rgba(244, 63, 94, 0.4);
  background: linear-gradient(180deg, rgba(244, 63, 94, 0.12) 0%, var(--bg-surface) 100%);
}

.toast-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.toast.success .toast-icon {
  background-color: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

.toast.error .toast-icon {
  background-color: rgba(244, 63, 94, 0.2);
  color: #fb7185;
}

.toast-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.toast-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
}

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

@keyframes slideInToastCenter {
  from { opacity: 0; transform: translateY(-12px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes fadeOutToastCenter {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to { opacity: 0; transform: translateY(-12px) scale(0.95); }
}

/* 100% Custom CSS Select Dropdown Component */
.custom-dropdown {
  position: relative;
  display: inline-block;
  user-select: none;
}

.custom-dropdown-trigger {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 28px;
}

.custom-dropdown-trigger:hover, .custom-dropdown.open .custom-dropdown-trigger {
  border-color: #52525b;
  background-color: var(--bg-surface-elevated);
}

.custom-dropdown-arrow {
  color: var(--text-muted);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.custom-dropdown.open .custom-dropdown-arrow {
  transform: rotate(180deg);
}

.custom-dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 100%;
  width: max-content;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 4px;
  display: none;
  flex-direction: column;
  gap: 2px;
  z-index: 9999;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.7);
  animation: dropdownFadeIn 0.15s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.custom-dropdown.open .custom-dropdown-menu {
  display: flex;
}

@keyframes dropdownFadeIn {
  from { opacity: 0; transform: translateY(-4px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.custom-dropdown-item {
  padding: 6px 10px;
  font-size: 11px;
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.custom-dropdown-item:hover {
  background-color: var(--bg-surface-elevated);
  color: var(--text-main);
}

.custom-dropdown-item.active {
  background-color: rgba(6, 182, 212, 0.15);
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Flatpickr Dark Custom Theme Overrides */
.flatpickr-calendar {
  background: var(--bg-surface) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8) !important;
  font-family: var(--font-sans) !important;
  border-radius: 8px !important;
  z-index: 99999 !important;
}

.flatpickr-calendar.arrowTop:before, .flatpickr-calendar.arrowTop:after {
  border-bottom-color: var(--bg-surface) !important;
}

.flatpickr-current-month {
  color: #ffffff !important;
  font-weight: 600 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 4px !important;
}

.flatpickr-current-month .flatpickr-monthDropdown-months {
  appearance: none !important;
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  background: var(--bg-surface-elevated) !important;
  color: #ffffff !important;
  font-weight: 600 !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 4px !important;
  padding: 3px 8px !important;
  outline: none !important;
  cursor: pointer !important;
}

.flatpickr-current-month .flatpickr-monthDropdown-months .flatpickr-monthDropdown-month {
  background-color: #121215 !important;
  color: #ffffff !important;
}

.flatpickr-current-month input.cur-year {
  color: #ffffff !important;
  font-weight: 600 !important;
}

.numInputWrapper span.arrowUp:after {
  border-bottom-color: #ffffff !important;
}

.numInputWrapper span.arrowDown:after {
  border-top-color: #ffffff !important;
}

.flatpickr-months .flatpickr-prev-month, .flatpickr-months .flatpickr-next-month {
  fill: #ffffff !important;
  color: #ffffff !important;
}

.flatpickr-months .flatpickr-prev-month:hover svg, .flatpickr-months .flatpickr-next-month:hover svg {
  fill: var(--accent-cyan) !important;
}

span.flatpickr-weekday {
  color: #ffffff !important;
  font-family: var(--font-mono) !important;
  font-size: 11px !important;
  font-weight: 600 !important;
}

.flatpickr-day {
  color: #ffffff !important;
  border-radius: 6px !important;
}

.flatpickr-day:hover {
  background: var(--bg-surface-elevated) !important;
  color: #ffffff !important;
}

.flatpickr-day.flatpickr-disabled, .flatpickr-day.flatpickr-disabled:hover,
.flatpickr-day.prevMonthDay, .flatpickr-day.nextMonthDay {
  color: #3f3f46 !important;
  background: transparent !important;
  cursor: not-allowed !important;
  opacity: 0.35 !important;
}

.flatpickr-day.selected, .flatpickr-day.startRange, .flatpickr-day.endRange {
  background: var(--accent-cyan) !important;
  color: #000000 !important;
  font-weight: 700 !important;
  border-color: var(--accent-cyan) !important;
}

/* Glassmorphic & Touch-Friendly Overlay & Modal Components */
.login-overlay, .modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(9, 9, 11, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.login-card {
  width: 100%;
  max-width: 350px;
  background: linear-gradient(180deg, #131317 0%, #0d0d10 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.05);
  animation: popInSleek 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.modal-card {
  width: 100%;
  max-width: 440px;
  background: linear-gradient(180deg, #131317 0%, #0d0d10 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8);
  animation: popInSleek 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes popInSleek {
  from { opacity: 0; transform: scale(0.97) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 0 4px;
}

.modal-close-btn:hover {
  color: var(--text-main);
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal-input {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 13px;
  color: var(--text-main);
}

.modal-textarea {
  min-height: 70px;
  resize: vertical;
  line-height: 1.4;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
}

.login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
}

.logo-icon.lg {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  margin-bottom: 2px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.2) 0%, rgba(16, 185, 129, 0.15) 100%);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.15);
}

.login-brand h2 {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.login-brand p {
  font-size: 11px;
  color: var(--text-muted);
}

.login-error {
  background: linear-gradient(180deg, rgba(244, 63, 94, 0.12) 0%, rgba(244, 63, 94, 0.05) 100%);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: #fb7185;
  font-size: 11px;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 6px;
  text-align: center;
  line-height: 1.3;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.field-group label {
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.login-input {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 12px;
  border-radius: 6px;
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: all 0.15s ease;
}

.login-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 1px rgba(6, 182, 212, 0.3);
}

.btn-block {
  width: 100%;
  justify-content: center;
  padding: 10px 14px;
  margin-top: 4px;
  font-size: 13px;
  font-weight: 600;
}

.btn-sm {
  padding: 4px 8px;
  font-size: 11px;
}

.nav-right {
  display: flex;
  align-items: center;
}

/* Conversations CRM View Layout */
.crm-layout {
  display: flex;
  flex: 1;
  gap: 12px;
  overflow: hidden;
}

.crm-sidebar {
  width: 320px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.crm-sidebar-header {
  padding: 12px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.crm-thread-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.crm-thread-item {
  padding: 12px;
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: background-color 0.15s ease;
}

.crm-thread-item:hover {
  background-color: var(--bg-surface-elevated);
}

.crm-thread-item.active {
  background-color: #1e1e24;
  border-left: 3px solid var(--accent-cyan);
}

.crm-thread-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.crm-handle {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-main);
}

.crm-time {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-subtle);
}

.crm-snippet {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.crm-badges {
  display: flex;
  gap: 4px;
  align-items: center;
  margin-top: 2px;
  flex-wrap: wrap;
}

.badge-tag {
  font-size: 9px;
  font-family: var(--font-mono);
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
  display: inline-block;
  line-height: 1.2;
}

.badge-tag.paused {
  background-color: rgba(244, 63, 94, 0.15);
  color: #fb7185;
  border: 1px solid rgba(244, 63, 94, 0.3);
}

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

.badge-tag.directive {
  background-color: rgba(6, 182, 212, 0.15);
  color: #22d3ee;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.badge-tag.interested {
  background-color: rgba(234, 179, 8, 0.15);
  color: #fde047;
  border: 1px solid rgba(234, 179, 8, 0.3);
}

.badge-tag.payment_pending {
  background-color: rgba(249, 115, 22, 0.15);
  color: #fdba74;
  border: 1px solid rgba(249, 115, 22, 0.3);
}

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

.badge-tag.follow_up {
  background-color: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

/* CRM Main Transcript Panel */
.crm-main-panel {
  flex: 1;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

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

.crm-customer-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.crm-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
}

.crm-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.crm-action-btn {
  font-size: 11px;
}

.crm-directive-box {
  background-color: rgba(6, 182, 212, 0.08);
  border-bottom: 1px solid rgba(6, 182, 212, 0.2);
  padding: 8px 16px;
  font-size: 11px;
  color: #22d3ee;
  display: flex;
  align-items: center;
  gap: 8px;
}

.crm-transcript-log {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bubble {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 12px;
  line-height: 1.45;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bubble.user {
  align-self: flex-start;
  background-color: #18181b;
  border: 1px solid var(--border-color);
  color: #ffffff;
}

.bubble.bot {
  align-self: flex-end;
  background-color: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: #e0f2fe;
}

.bubble.seller {
  align-self: flex-end;
  background-color: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #d1fae5;
}

.bubble-sender {
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 600;
}

.bubble.user .bubble-sender { color: var(--text-subtle); }
.bubble.bot .bubble-sender { color: var(--accent-cyan); }
.bubble.seller .bubble-sender { color: #34d399; }

.bubble-time {
  font-size: 9px;
  font-family: var(--font-mono);
  color: var(--text-subtle);
  align-self: flex-end;
  margin-top: 2px;
}

/* Settings Premium Cards */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  overflow-y: auto;
  flex: 1;
  padding-right: 4px;
  align-content: start;
  align-items: stretch;
}

.settings-card {
  background: linear-gradient(180deg, var(--bg-surface) 0%, #0d0d10 100%);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: border-color 0.2s ease;
}

.settings-card:hover {
  border-color: #3f3f46;
}

.settings-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.settings-icon-badge {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background-color: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.settings-title-wrap h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.settings-title-wrap p {
  font-size: 11px;
  color: var(--text-muted);
}

.settings-group {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.setting-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.setting-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
}

.setting-desc {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.35;
}

.range-inputs {
  display: flex;
  align-items: center;
  gap: 8px;
}

.number-input {
  width: 70px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #ffffff;
  text-align: center;
  outline: none;
}

.number-input:focus {
  border-color: var(--accent-cyan);
}

/* Custom Toggle Switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: #27272a;
  border: 1px solid var(--border-color);
  transition: .25s ease;
  border-radius: 24px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: #a1a1aa;
  transition: .25s ease;
  border-radius: 50%;
}

input:checked + .toggle-slider {
  background-color: rgba(16, 185, 129, 0.2);
  border-color: #10b981;
}

input:checked + .toggle-slider:before {
  transform: translateX(20px);
  background-color: #34d399;
}

/* Product Cards Grid */
.product-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
  overflow-y: auto;
  flex: 1;
  padding-right: 4px;
  align-content: start;
  align-items: stretch;
}

.product-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  transition: border-color 0.15s ease;
}

.product-card:hover {
  border-color: #3f3f46;
}

.product-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.product-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.35;
}

.product-price-badge {
  background-color: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 12px;
  white-space: nowrap;
}

.product-card-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  flex: 1;
}

.spec-row {
  display: flex;
  gap: 6px;
}

.spec-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-subtle);
  text-transform: uppercase;
  min-width: 65px;
}

.spec-val {
  color: var(--text-main);
  word-break: break-word;
}

.product-card-actions {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
}

/* Rules Form Cards Grid */
.rules-form-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  overflow-y: auto;
  flex: 1;
  padding-right: 4px;
  align-content: start;
  align-items: stretch;
}

.rules-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rules-card-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.rules-card-title svg {
  color: var(--accent-cyan);
}

/* API Stats Section */
.stats-preset-group {
  display: flex;
  gap: 3px;
  background-color: var(--bg-surface);
  padding: 2px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.stats-preset-btn {
  padding: 3px 8px;
  font-size: 11px;
  border: none;
}

.stats-preset-btn.active {
  background-color: #27272a;
  color: #ffffff;
  font-weight: 600;
}

.stats-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.stats-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stats-card-label {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-subtle);
  letter-spacing: 0.05em;
}

.stats-card-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

.chart-card-container {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chart-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chart-wrapper {
  height: 180px;
  width: 100%;
  position: relative;
}

.stats-table-frame {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
  min-height: 180px;
}

.stats-table-header {
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-app);
  color: var(--text-muted);
}

.stats-table-container {
  flex: 1;
  overflow-y: auto;
}

.stats-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 12px;
}

.stats-table th {
  background-color: var(--bg-surface);
  color: var(--text-subtle);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
}

.stats-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-family: var(--font-mono);
}

.stats-table tr:hover td {
  background-color: var(--bg-surface-elevated);
}

/* App Viewport */
.app-viewport {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: -webkit-fill-available;
  width: 100vw;
  max-width: 100%;
  overflow: hidden;
}

/* Header Navbar */
.top-nav {
  min-height: 48px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  width: 24px;
  height: 24px;
  border-radius: 5px;
  background-color: #27272a;
  border: 1px solid #3f3f46;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #f4f4f5;
}

.brand-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.nav-tabs {
  display: flex;
  gap: 2px;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 5px;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tab-btn:hover {
  color: var(--text-main);
  background-color: var(--bg-surface-elevated);
}

.tab-btn.active {
  color: var(--text-main);
  background-color: #27272a;
  border-color: #3f3f46;
}

.badge-count {
  background-color: var(--accent-rose);
  color: white;
  font-size: 9px;
  font-weight: 700;
  padding: 0 5px;
  border-radius: 8px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.dot-online {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.4);
}

/* Workspace */
.content-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 16px 20px;
  overflow: hidden;
  gap: 14px;
}

/* Metrics Bar */
.metrics-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.metric-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.metric-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.metric-label {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-subtle);
  letter-spacing: 0.05em;
}

.metric-icon {
  color: var(--text-subtle);
}

.metric-icon.alert-icon { color: var(--accent-rose); }
.metric-icon.success-icon { color: var(--accent-emerald); }

.metric-value {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
}

.text-accent { color: var(--accent-cyan); }
.text-danger { color: var(--accent-rose); }
.text-success { color: var(--accent-emerald); }

/* Tab Content */
.tab-content {
  display: none;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
  gap: 12px;
}

.tab-content.active {
  display: flex;
}

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

.panel-header h2 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.panel-header p {
  font-size: 11px;
  color: var(--text-muted);
}

/* Enforce Single Line Input Groups with No Line Wrapping for @ and Username */
.input-group {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  flex-wrap: nowrap !important;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  padding: 0 8px;
  position: relative;
  z-index: 10;
  pointer-events: auto !important;
  touch-action: manipulation !important;
}

.input-prefix {
  font-size: 12px;
  color: var(--text-subtle);
  font-family: var(--font-mono);
  user-select: none;
  pointer-events: none;
  flex-shrink: 0 !important;
  margin-right: 2px;
}

.minimal-input {
  background: transparent;
  border: none;
  color: var(--text-main);
  padding: 6px 8px;
  font-family: inherit;
  font-size: 12px;
  outline: none;
  flex: 1 !important;
  min-width: 0 !important;
  display: inline-block !important;
}

#customerIdInput {
  pointer-events: auto !important;
  cursor: text !important;
  position: relative;
  z-index: 20;
}

/* Chat Simulator */
.chat-frame {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
}

.chat-log {
  flex: 1;
  padding: 14px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.log-item {
  max-width: 80%;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  line-height: 1.45;
}

.log-item.user {
  align-self: flex-end;
  background-color: #27272a;
  color: #ffffff;
  border: 1px solid #3f3f46;
}

.log-item.bot {
  align-self: flex-start;
  background-color: #09090b;
  border: 1px solid var(--border-color);
  color: #e4e4e7;
}

.log-item strong {
  font-weight: 600;
  color: #ffffff;
}

.log-item em {
  font-style: italic;
  color: #a1a1aa;
}

.log-item.system {
  align-self: center;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 14px;
  border-radius: 20px;
  margin: 6px 0;
}

.inline-dot {
  width: 6px;
  height: 6px;
  flex-shrink: 0;
}

.sys-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  background-color: rgba(244, 63, 94, 0.15);
  color: #fb7185;
  padding: 1px 5px;
  border-radius: 4px;
  margin-right: 6px;
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.chat-controls {
  display: flex;
  gap: 8px;
  padding: 10px 14px;
  background-color: var(--bg-app);
  border-top: 1px solid var(--border-color);
}

.chat-field {
  flex: 1;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 5px;
}

.chat-field:focus {
  border-color: var(--border-focus);
}

.btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  border-radius: 5px;
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-primary {
  background-color: #ffffff;
  color: #000000;
  font-weight: 600;
}

.btn-primary:hover {
  background-color: #e4e4e7;
}

.btn-outline {
  background: transparent;
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-outline:hover {
  background-color: var(--bg-surface-elevated);
}

.btn-success {
  background-color: var(--accent-emerald);
  color: white;
}

/* Handoff Cards Grid Layout */
.handoff-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
  align-content: start;
  align-items: stretch;
}

.handoff-item {
  background-color: var(--bg-surface);
  border: 1px solid rgba(244, 63, 94, 0.3);
  border-radius: 8px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
}

.handoff-user-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.handoff-user-id {
  font-weight: 600;
  color: #f43f5e;
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 170px;
}

.handoff-reason-text {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 24px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  background-color: var(--bg-surface);
  border: 1px dashed var(--border-color);
  border-radius: 6px;
}

.editor-frame {
  flex: 1;
  display: flex;
}

.code-editor {
  width: 100%;
  height: 100%;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: #34d399;
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  resize: none;
  outline: none;
}

.code-editor:focus {
  border-color: var(--border-focus);
}

/* ==========================================================================
   📱 100% RESPONSIVE SMARTPHONE & MOBILE ENHANCEMENTS
   ========================================================================== */
@media (max-width: 768px) {
  /* TOAST NOTIFICATION POSITIONED AT BOTTOM OF SCREEN ON SMARTPHONE */
  .toast-container {
    top: auto !important;
    bottom: 24px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: 92% !important;
    max-width: 380px !important;
    z-index: 10000 !important;
  }

  @keyframes slideInToastCenter {
    from { opacity: 0; transform: translateY(16px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
  }

  @keyframes fadeOutToastCenter {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to { opacity: 0; transform: translateY(16px) scale(0.95); }
  }

  /* HIDE METRICS BAR ON MOBILE */
  .metrics-bar {
    display: none !important;
  }

  .app-viewport {
    height: 100%;
    min-height: 100vh;
    min-height: -webkit-fill-available;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .top-nav {
    height: auto;
    padding: 8px 12px;
    flex-wrap: wrap;
    gap: 8px;
  }

  .brand {
    flex: 1;
  }

  .nav-tabs {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
    border-top: 1px solid var(--border-subtle);
    padding-top: 6px;
  }

  .nav-tabs::-webkit-scrollbar {
    display: none;
  }

  .tab-btn {
    white-space: nowrap;
    flex-shrink: 0;
    padding: 6px 10px;
    font-size: 11px;
  }

  .nav-right {
    order: 2;
  }

  .status-text, .dot-online {
    display: none !important;
  }

  /* Make main content workspace scrollable on smartphones */
  .content-container {
    padding: 10px;
    gap: 10px;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
    height: auto;
    flex: 1;
  }

  /* STRICT TAB VISIBILITY ON SMARTPHONE (ONLY ACTIVE TAB IS SHOWN) */
  .tab-content {
    display: none !important;
  }

  .tab-content.active {
    display: flex !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
    height: auto;
    flex: 1;
  }

  /* API STATS MOBILE GRAPH & SCROLL FIX */
  #tab-stats.active {
    display: flex !important;
    flex-direction: column;
    gap: 16px;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 24px;
  }

  .stats-summary-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .chart-card-container {
    width: 100%;
    min-height: 240px;
    overflow: visible !important;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
  }

  .chart-wrapper {
    height: 200px !important;
    min-height: 200px !important;
    width: 100% !important;
    position: relative !important;
  }

  .stats-table-frame {
    width: 100%;
    margin-top: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 8px;
  }

  .stats-table-container {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
    max-height: 350px;
  }

  /* Panel Header Mobile Stack */
  .panel-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .panel-header > div:last-child {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 8px;
  }

  /* SIMULATOR INPUT GROUP ON MOBILE (SINGLE LINE @ + USERNAME) */
  .panel-header .input-group {
    width: 100% !important;
    min-height: 38px;
    padding: 2px 10px;
    margin-top: 4px;
    z-index: 100;
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    flex-wrap: nowrap !important;
  }

  .panel-header .input-group input#customerIdInput {
    flex: 1 !important;
    width: auto !important;
    min-width: 0 !important;
    min-height: 34px;
    font-size: 14px !important;
    padding: 6px 4px;
    background: transparent !important;
    color: var(--text-main) !important;
    touch-action: manipulation !important;
    pointer-events: auto !important;
    z-index: 101;
    display: inline-block !important;
  }

  /* STATS DATE PICKER CONTROL BAR ON MOBILE */
  .stats-date-group {
    width: 100% !important;
    justify-content: center !important;
    padding: 6px 8px !important;
  }

  .stats-date-group input {
    font-size: 12px !important;
    width: 100px !important;
  }

  /* CRM Layout Mobile Stack */
  .crm-layout {
    flex-direction: column;
    position: relative;
    height: 100%;
    min-height: 500px;
  }

  .crm-sidebar {
    width: 100%;
    height: 100%;
    flex: 1;
  }

  .crm-main-panel {
    width: 100%;
    height: 100%;
    flex: 1;
    display: none;
  }

  .crm-layout.thread-selected .crm-sidebar {
    display: none;
  }

  .crm-layout.thread-selected .crm-main-panel {
    display: flex;
  }

  .mobile-back-btn {
    display: inline-flex !important;
  }

  .crm-panel-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
  }

  .crm-customer-info {
    width: 100%;
    justify-content: space-between;
  }

  /* CLEAN 2x2 GRID TOOLBAR FOR CRM ACTION BUTTONS ON MOBILE */
  .crm-actions {
    width: 100%;
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    margin-top: 4px;
    border-top: 1px solid var(--border-subtle);
    padding-top: 8px;
  }

  .crm-action-btn {
    width: 100%;
    justify-content: center;
    font-size: 11px;
    padding: 6px 8px;
    margin: 0;
    box-sizing: border-box;
  }

  .crm-actions .custom-dropdown-trigger {
    width: 100%;
    justify-content: space-between;
    min-height: 30px;
  }

  /* Product Catalog, System Rules & Settings Grids -> 1 Column */
  .product-cards-grid, .rules-form-container, .settings-grid {
    grid-template-columns: 1fr;
  }

  /* Mobile Touch Friendly Inputs */
  .login-card {
    max-width: 100%;
    padding: 24px 18px;
  }

  .login-input, .minimal-input, .modal-input {
    font-size: 14px !important;
    padding: 10px;
    touch-action: manipulation !important;
    pointer-events: auto !important;
  }
}