/* ==========================================================================
   AIBotPro Design System — PriceDesk v2
   Version: 2.0.0
   Last updated: 2026-05-18
   ========================================================================== */

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */

:root {
  /* Color Palette */
  --color-primary: #1C1C1E;
  --color-accent: #D4922A;
  --color-surface: #F5F4F0;
  --color-card: #FFFFFF;
  --color-border: #E0DEDB;
  --color-text: #1A1A1A;
  --color-text-secondary: #6B6B6B;
  --color-text-on-dark: #FFFFFF;
  --color-success: #4A9B6F;
  --color-warning: #D4922A;
  --color-danger: #C0392B;
  --color-preferred: #D4922A;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Shadows */
  --shadow-none: none;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);

  /* Typography */
  --font-main: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Courier New', 'Consolas', 'Monaco', monospace;

  /* Font Sizes */
  --text-xs: 11px;
  --text-sm: 13px;
  --text-base: 16px;
  --text-lg: 18px;
  --text-xl: 22px;
  --text-2xl: 32px;
  --text-3xl: 48px;

  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal-backdrop: 9998;
  --z-modal: 9999;
  --z-toast: 9999;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-surface);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #b87d22;
}

img {
  max-width: 100%;
  height: auto;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ==========================================================================
   Typography Scale
   ========================================================================== */

.text-xs {
  font-size: var(--text-xs);
  line-height: 1.4;
}

.text-sm {
  font-size: var(--text-sm);
  line-height: 1.5;
}

.text-base {
  font-size: var(--text-base);
  line-height: 1.6;
}

.text-lg {
  font-size: var(--text-lg);
  line-height: 1.5;
}

.text-xl {
  font-size: var(--text-xl);
  line-height: 1.4;
}

.text-2xl {
  font-size: var(--text-2xl);
  line-height: 1.3;
}

.text-3xl {
  font-size: var(--text-3xl);
  line-height: 1.2;
}

.font-normal {
  font-weight: var(--font-normal);
}

.font-medium {
  font-weight: var(--font-medium);
}

.font-semibold {
  font-weight: var(--font-semibold);
}

.font-bold {
  font-weight: var(--font-bold);
}

.uppercase {
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.text-left {
  text-align: left;
}

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

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

.text-accent {
  color: var(--color-accent);
}

.text-success {
  color: var(--color-success);
}

.text-danger {
  color: var(--color-danger);
}

.text-warning {
  color: var(--color-warning);
}

/* ==========================================================================
   Section Labels
   ========================================================================== */

.section-label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

/* ==========================================================================
   Layout — Page Layout with Sidebar
   ========================================================================== */

.page-layout {
  display: flex;
  min-height: 100vh;
}

.content-area {
  flex: 1;
  margin-left: 220px;
  background: var(--color-surface);
  padding: var(--space-6);
  min-height: 100vh;
}

.top-bar {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.top-bar-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text);
}

.top-bar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ==========================================================================
   Sidebar
   ========================================================================== */

.sidebar {
  width: 220px;
  background: var(--color-primary);
  color: var(--color-text-on-dark);
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  display: flex;
  flex-direction: column;
  z-index: var(--z-sticky);
}

.sidebar-header {
  padding: var(--space-5) var(--space-5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text-on-dark);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.sidebar-logo .accent {
  color: var(--color-accent);
}

.sidebar-tool-name {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--space-1);
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4) 0;
  overflow-y: auto;
}

.sidebar-section {
  margin-bottom: var(--space-4);
}

.sidebar-section-title {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.4);
  padding: var(--space-2) var(--space-5);
  margin-bottom: var(--space-1);
}

.sidebar-item {
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  border-left: 3px solid transparent;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  transition: all var(--transition-fast);
  user-select: none;
}

.sidebar-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-on-dark);
}

.sidebar-item-active {
  border-left-color: var(--color-accent);
  color: var(--color-text-on-dark);
  background: rgba(255, 255, 255, 0.08);
}

.sidebar-item-icon {
  width: 18px;
  height: 18px;
  opacity: 0.7;
  flex-shrink: 0;
}

.sidebar-item-active .sidebar-item-icon {
  opacity: 1;
}

.sidebar-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-company {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-1);
}

.sidebar-plan-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--color-accent);
  color: var(--color-text-on-dark);
  margin-top: var(--space-2);
}

.sidebar-trial {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
  margin-top: var(--space-2);
}

.sidebar-trial-warning {
  color: var(--color-warning);
}

.sidebar-trial-danger {
  color: var(--color-danger);
}

.sidebar-logout {
  margin-top: var(--space-3);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: color var(--transition-fast);
}

.sidebar-logout:hover {
  color: var(--color-text-on-dark);
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--transition-fast);
}

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

.card-header {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.card-title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.card-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.card-body {
  /* Default empty, available for custom content */
}

.card-footer {
  padding-top: var(--space-4);
  margin-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

.card-accent {
  border-top: 3px solid var(--color-accent);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
}

.card-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition-fast), opacity var(--transition-fast), transform var(--transition-fast);
  font-family: var(--font-main);
  white-space: nowrap;
  user-select: none;
}

.btn:active:not(:disabled) {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-text-on-dark);
}

.btn-primary:hover:not(:disabled) {
  background: #b87d22;
}

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

.btn-secondary:hover:not(:disabled) {
  background: #f0f0f0;
}

.btn-danger {
  background: var(--color-danger);
  color: var(--color-text-on-dark);
}

.btn-danger:hover:not(:disabled) {
  background: #a02f23;
}

.btn-ghost {
  background: transparent;
  color: var(--color-accent);
  border: none;
  padding: var(--space-2) var(--space-3);
}

.btn-ghost:hover:not(:disabled) {
  background: rgba(212, 146, 42, 0.1);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-outline:hover:not(:disabled) {
  background: var(--color-surface);
  border-color: var(--color-text-secondary);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn-full {
  width: 100%;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-icon:hover:not(:disabled) {
  background: var(--color-surface);
  color: var(--color-text);
}

.btn-icon:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ==========================================================================
   Badges & Status Indicators
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.badge-success {
  background: var(--color-success);
  color: var(--color-text-on-dark);
}

.badge-warning {
  background: var(--color-warning);
  color: var(--color-text-on-dark);
}

.badge-inactive {
  background: var(--color-text-secondary);
  color: var(--color-text-on-dark);
}

.badge-preferred {
  background: transparent;
  color: var(--color-preferred);
  border: 1px solid var(--color-preferred);
}

.badge-danger {
  background: var(--color-danger);
  color: var(--color-text-on-dark);
}

.badge-primary {
  background: var(--color-primary);
  color: var(--color-text-on-dark);
}

.badge-outline {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

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

.status-dot-success {
  background: var(--color-success);
}

.status-dot-warning {
  background: var(--color-warning);
}

.status-dot-danger {
  background: var(--color-danger);
}

.status-dot-inactive {
  background: var(--color-text-secondary);
}

/* Freshness Indicator */
.freshness-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

.freshness-fresh {
  color: var(--color-success);
}

.freshness-stale {
  color: var(--color-warning);
}

.freshness-old {
  color: var(--color-danger);
}

/* ==========================================================================
   Tables
   ========================================================================== */

.table-container {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.table-base {
  width: 100%;
  border-collapse: collapse;
}

.table-header {
  background: var(--color-surface);
}

.table-header th {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--color-border);
}

.table-header th.sortable {
  cursor: pointer;
  user-select: none;
}

.table-header th.sortable:hover {
  color: var(--color-text);
}

.table-header th.sorted {
  color: var(--color-accent);
}

.table-row {
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-fast);
}

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

.table-row:hover {
  background: #f9f8f6;
}

.table-row.selected {
  background: rgba(212, 146, 42, 0.08);
}

.table-row td {
  padding: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  vertical-align: middle;
}

.table-cell-primary {
  font-weight: var(--font-medium);
  color: var(--color-text);
}

.table-cell-secondary {
  color: var(--color-text-secondary);
}

.table-actions {
  text-align: right;
  white-space: nowrap;
}

.table-actions form {
  display: inline-flex;
  gap: var(--space-2);
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-field {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-label .required {
  color: var(--color-accent);
  margin-left: 2px;
}

.form-label-optional {
  font-weight: var(--font-normal);
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
  margin-left: var(--space-1);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-family: var(--font-main);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-card);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  box-sizing: border-box;
}

.form-input::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.6;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(212, 146, 42, 0.1);
}

.form-input.error {
  border-color: var(--color-danger);
}

.form-input.error:focus {
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.1);
}

.form-input:disabled {
  background: var(--color-surface);
  cursor: not-allowed;
  opacity: 0.7;
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B6B6B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-8);
}

.form-helper {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

.form-error {
  font-size: var(--text-sm);
  color: var(--color-danger);
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.form-checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.form-checkbox {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-accent);
  cursor: pointer;
  flex-shrink: 0;
}

.form-checkbox-label {
  font-size: var(--text-sm);
  color: var(--color-text);
  cursor: pointer;
  line-height: 1.5;
}

.form-checkbox-label a {
  color: var(--color-accent);
}

/* Radio Cards */
.radio-card-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.radio-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.radio-card:hover {
  border-color: var(--color-accent);
  background: rgba(212, 146, 42, 0.02);
}

.radio-card.selected {
  border-color: var(--color-accent);
  background: rgba(212, 146, 42, 0.05);
}

.radio-card input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent);
  cursor: pointer;
  flex-shrink: 0;
}

.radio-card-content {
  flex: 1;
}

.radio-card-title {
  font-weight: var(--font-medium);
  color: var(--color-text);
  margin-bottom: 2px;
}

.radio-card-description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  min-width: 280px;
  max-width: 400px;
  border-left: 4px solid var(--color-accent);
  animation: slideUp 0.3s ease;
  pointer-events: auto;
}

.toast-success {
  border-left-color: var(--color-success);
}

.toast-error {
  border-left-color: var(--color-danger);
}

.toast-info {
  border-left-color: var(--color-accent);
}

.toast-warning {
  border-left-color: var(--color-warning);
}

.toast-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.toast-success .toast-icon {
  color: var(--color-success);
}

.toast-error .toast-icon {
  color: var(--color-danger);
}

.toast-info .toast-icon {
  color: var(--color-accent);
}

.toast-warning .toast-icon {
  color: var(--color-warning);
}

.toast-message {
  flex: 1;
  color: var(--color-text);
}

.toast-close {
  background: transparent;
  border: none;
  padding: var(--space-1);
  cursor: pointer;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.toast-close:hover {
  background: var(--color-surface);
  color: var(--color-text);
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

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

.toast-exit {
  animation: slideOut 0.3s ease forwards;
}

/* ==========================================================================
   Modals
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal-backdrop);
  padding: var(--space-6);
  animation: fadeIn 0.2s ease;
}

.modal-card {
  background: var(--color-card);
  border-radius: var(--radius-xl);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: scaleIn 0.2s ease;
}

.modal-card-sm {
  max-width: 400px;
}

.modal-card-lg {
  max-width: 720px;
}

.modal-card-xl {
  max-width: 960px;
}

.modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  margin: 0;
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-text);
}

.modal-close {
  background: transparent;
  border: none;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-surface);
  color: var(--color-text);
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

.modal-footer-left {
  justify-content: flex-start;
}

.modal-footer-center {
  justify-content: center;
}

.modal-actions {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

/* ==========================================================================
   Chat Interface
   ========================================================================== */

.chat-container {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.chat-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-card);
}

.chat-header-title {
  font-weight: var(--font-semibold);
  color: var(--color-text);
}

.chat-header-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  scroll-behavior: smooth;
}

.chat-messages-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  text-align: center;
}

.chat-empty-icon {
  width: 64px;
  height: 64px;
  color: var(--color-border);
  margin-bottom: var(--space-4);
}

.chat-empty-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.chat-empty-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  max-width: 300px;
}

.chat-bubble-user {
  background: var(--color-accent);
  color: var(--color-text-on-dark);
  padding: var(--space-3) var(--space-4);
  border-radius: 18px 18px var(--radius-sm) 18px;
  max-width: 70%;
  align-self: flex-end;
  font-size: var(--text-base);
  line-height: 1.5;
  word-wrap: break-word;
}

.chat-bubble-ai {
  background: var(--color-surface);
  color: var(--color-text);
  padding: var(--space-3) var(--space-4);
  border-radius: 18px 18px 18px var(--radius-sm);
  max-width: 70%;
  align-self: flex-start;
  font-size: var(--text-base);
  line-height: 1.5;
  word-wrap: break-word;
}

.chat-bubble-system {
  background: transparent;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-style: italic;
  text-align: center;
  padding: var(--space-2);
  max-width: 100%;
  align-self: center;
}

.chat-bubble-timestamp {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.6);
  margin-top: var(--space-1);
  text-align: right;
}

.chat-bubble-ai .chat-bubble-timestamp {
  color: var(--color-text-secondary);
}

.chat-input-bar {
  border-top: 1px solid var(--color-border);
  padding: var(--space-4);
  display: flex;
  gap: var(--space-3);
  background: var(--color-card);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.chat-input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-text);
  resize: none;
  font-family: var(--font-main);
  max-height: 120px;
  transition: border-color var(--transition-fast);
}

.chat-input:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-card);
}

.chat-input::placeholder {
  color: var(--color-text-secondary);
}

.chat-send-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background: var(--color-accent);
  color: var(--color-text-on-dark);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  flex-shrink: 0;
}

.chat-send-btn:hover:not(:disabled) {
  background: #b87d22;
}

.chat-send-btn:active:not(:disabled) {
  transform: scale(0.95);
}

.chat-send-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.chat-attach-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.chat-attach-btn:hover {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-text-secondary);
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0;
}

.typing-dot {
  width: 8px;
  height: 8px;
  background: var(--color-text-secondary);
  border-radius: 50%;
  animation: typingBounce 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) {
  animation-delay: 0s;
}

.typing-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typingBounce {
  0%, 60%, 100% {
    transform: translateY(0);
  }
  30% {
    transform: translateY(-4px);
  }
}

/* ==========================================================================
   Copy Block
   ========================================================================== */

.copy-block {
  background: var(--color-primary);
  color: var(--color-surface);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  position: relative;
  white-space: pre-wrap;
  line-height: 1.6;
  margin: var(--space-4) 0;
}

.copy-block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.copy-block-title {
  font-weight: var(--font-semibold);
  color: var(--color-text-on-dark);
  font-family: var(--font-main);
  font-size: var(--text-sm);
}

.copy-btn {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text-on-dark);
  border: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  transition: background-color var(--transition-fast);
  font-family: var(--font-main);
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.copy-btn.copied {
  background: var(--color-success);
}

.copy-block-section {
  margin-bottom: var(--space-3);
}

.copy-block-section:last-child {
  margin-bottom: 0;
}

.copy-block-section-header {
  color: var(--color-accent);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
  font-family: var(--font-main);
  text-transform: uppercase;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
}

.copy-block-trade-header {
  color: var(--color-accent);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-3);
  font-family: var(--font-main);
  font-size: var(--text-base);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: var(--space-2);
}

.copy-block-subsection {
  margin-bottom: var(--space-2);
}

.copy-block-subsection-header {
  color: rgba(255, 255, 255, 0.7);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-1);
  font-family: var(--font-main);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.copy-block-line {
  display: flex;
  justify-content: space-between;
  padding: 2px 0;
}

.copy-block-line-item {
  flex: 1;
}

.copy-block-line-unit {
  color: rgba(255, 255, 255, 0.5);
  margin-left: var(--space-2);
}

.copy-block-line-price {
  text-align: right;
  color: var(--color-text-on-dark);
}

.copy-block-preferred {
  color: var(--color-accent);
  margin-left: var(--space-1);
}

.copy-block-total {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  font-weight: var(--font-semibold);
}

/* ==========================================================================
   Stat Cards
   ========================================================================== */

.stat-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
}

.stat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}

.stat-card-icon {
  width: 20px;
  height: 20px;
  color: var(--color-text-secondary);
}

.stat-value {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-text);
  line-height: 1;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: var(--space-1);
  font-weight: var(--font-medium);
}

.stat-change {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  margin-top: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.stat-change-up {
  color: var(--color-success);
}

.stat-change-down {
  color: var(--color-danger);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-4);
}

/* ==========================================================================
   Progress Bar
   ========================================================================== */

.progress-bar {
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

.progress-bar-success .progress-bar-fill {
  background: var(--color-success);
}

.progress-bar-warning .progress-bar-fill {
  background: var(--color-warning);
}

.progress-bar-danger .progress-bar-fill {
  background: var(--color-danger);
}

.progress-label {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
  display: flex;
  justify-content: space-between;
}

/* ==========================================================================
   Skeleton Loader
   ========================================================================== */

.skeleton {
  background: linear-gradient(90deg, #e8e7e4 25%, #f4f3f0 50%, #e8e7e4 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text {
  height: 14px;
  margin-bottom: var(--space-2);
}

.skeleton-text:last-child {
  width: 60%;
}

.skeleton-title {
  height: 24px;
  width: 40%;
  margin-bottom: var(--space-3);
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.skeleton-card {
  height: 120px;
}

.skeleton-table-row {
  height: 48px;
  margin-bottom: var(--space-1);
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner-lg {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

.spinner-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

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

/* ==========================================================================
   Utility Classes
   ========================================================================== */

/* Display */
.hidden {
  display: none !important;
}

.block {
  display: block;
}

.inline-block {
  display: inline-block;
}

.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.grid {
  display: grid;
}

/* Flexbox */
.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-start {
  align-items: flex-start;
}

.items-center {
  align-items: center;
}

.items-end {
  align-items: flex-end;
}

.items-stretch {
  align-items: stretch;
}

.justify-start {
  justify-content: flex-start;
}

.justify-center {
  justify-content: center;
}

.justify-end {
  justify-content: flex-end;
}

.justify-between {
  justify-content: space-between;
}

.justify-around {
  justify-content: space-around;
}

.flex-1 {
  flex: 1;
}

.flex-shrink-0 {
  flex-shrink: 0;
}

/* Gap */
.gap-1 {
  gap: var(--space-1);
}

.gap-2 {
  gap: var(--space-2);
}

.gap-3 {
  gap: var(--space-3);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-5 {
  gap: var(--space-5);
}

.gap-6 {
  gap: var(--space-6);
}

/* Margin */
.m-0 {
  margin: 0;
}

.mt-1 {
  margin-top: var(--space-1);
}

.mt-2 {
  margin-top: var(--space-2);
}

.mt-3 {
  margin-top: var(--space-3);
}

.mt-4 {
  margin-top: var(--space-4);
}

.mt-5 {
  margin-top: var(--space-5);
}

.mt-6 {
  margin-top: var(--space-6);
}

.mt-auto {
  margin-top: auto;
}

.mb-1 {
  margin-bottom: var(--space-1);
}

.mb-2 {
  margin-bottom: var(--space-2);
}

.mb-3 {
  margin-bottom: var(--space-3);
}

.mb-4 {
  margin-bottom: var(--space-4);
}

.mb-5 {
  margin-bottom: var(--space-5);
}

.mb-6 {
  margin-bottom: var(--space-6);
}

.ml-auto {
  margin-left: auto;
}

.mr-auto {
  margin-right: auto;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* Padding */
.p-0 {
  padding: 0;
}

.p-2 {
  padding: var(--space-2);
}

.p-3 {
  padding: var(--space-3);
}

.p-4 {
  padding: var(--space-4);
}

.p-5 {
  padding: var(--space-5);
}

.p-6 {
  padding: var(--space-6);
}

.px-4 {
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.py-4 {
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

/* Width & Height */
.w-full {
  width: 100%;
}

.h-full {
  height: 100%;
}

.min-h-screen {
  min-height: 100vh;
}

/* Overflow */
.overflow-hidden {
  overflow: hidden;
}

.overflow-auto {
  overflow: auto;
}

.overflow-y-auto {
  overflow-y: auto;
}

.overflow-x-hidden {
  overflow-x: hidden;
}

/* Position */
.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

.fixed {
  position: fixed;
}

.sticky {
  position: sticky;
}

/* Borders */
.border {
  border: 1px solid var(--color-border);
}

.border-top {
  border-top: 1px solid var(--color-border);
}

.border-bottom {
  border-bottom: 1px solid var(--color-border);
}

.border-left {
  border-left: 1px solid var(--color-border);
}

.border-right {
  border-right: 1px solid var(--color-border);
}

.rounded {
  border-radius: var(--radius-md);
}

.rounded-sm {
  border-radius: var(--radius-sm);
}

.rounded-lg {
  border-radius: var(--radius-lg);
}

.rounded-full {
  border-radius: 9999px;
}

/* Cursor */
.cursor-pointer {
  cursor: pointer;
}

.cursor-default {
  cursor: default;
}

.cursor-not-allowed {
  cursor: not-allowed;
}

/* User Select */
.select-none {
  user-select: none;
}

.select-text {
  user-select: text;
}

/* Opacity */
.opacity-0 {
  opacity: 0;
}

.opacity-50 {
  opacity: 0.5;
}

.opacity-75 {
  opacity: 0.75;
}

/* Pointer Events */
.pointer-events-none {
  pointer-events: none;
}

/* Truncation */
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Screen Reader Only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ==========================================================================
   Empty States
   ========================================================================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-6);
  text-align: center;
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  color: var(--color-border);
  margin-bottom: var(--space-4);
}

.empty-state-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.empty-state-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  max-width: 320px;
  margin-bottom: var(--space-5);
}

.empty-state-action {
  margin-top: var(--space-2);
}

/* ==========================================================================
   Page Header
   ========================================================================== */

.page-header {
  margin-bottom: var(--space-6);
}

.page-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.page-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

.page-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.page-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* ==========================================================================
   Alert / Notice
   ========================================================================== */

.alert {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.alert-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 1px;
}

.alert-success {
  background: rgba(74, 155, 111, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(74, 155, 111, 0.2);
}

.alert-warning {
  background: rgba(212, 146, 42, 0.1);
  color: var(--color-warning);
  border: 1px solid rgba(212, 146, 42, 0.2);
}

.alert-danger {
  background: rgba(192, 57, 43, 0.1);
  color: var(--color-danger);
  border: 1px solid rgba(192, 57, 43, 0.2);
}

.alert-info {
  background: rgba(212, 146, 42, 0.1);
  color: var(--color-accent);
  border: 1px solid rgba(212, 146, 42, 0.2);
}

/* ==========================================================================
   Tabs
   ========================================================================== */

.tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-5);
  overflow-x: auto;
}

.tab {
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  margin-bottom: -1px;
}

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

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

.tab-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  font-size: 11px;
  font-weight: var(--font-semibold);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  border-radius: 10px;
  margin-left: var(--space-2);
}

.tab-active .tab-badge {
  background: rgba(212, 146, 42, 0.15);
  color: var(--color-accent);
}

/* ==========================================================================
   Dropdown / Select
   ========================================================================== */

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: var(--z-dropdown);
  min-width: 180px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--space-1) 0;
  margin-top: var(--space-1);
  animation: fadeIn 0.15s ease;
}

.dropdown-menu-right {
  left: auto;
  right: 0;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--color-surface);
}

.dropdown-item-icon {
  width: 16px;
  height: 16px;
  color: var(--color-text-secondary);
}

.dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-1) 0;
}

/* ==========================================================================
   Trade Chips
   ========================================================================== */

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-card);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

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

.chip-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-on-dark);
}

.chip-active:hover {
  background: #b87d22;
  border-color: #b87d22;
  color: var(--color-text-on-dark);
}

.chip-label {
  font-weight: var(--font-semibold);
  margin-right: var(--space-1);
}

.chip-remove {
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  margin-left: var(--space-1);
  cursor: pointer;
}

.chip-remove:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* ==========================================================================
   Toggle / Switch
   ========================================================================== */

.toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

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

.toggle-slider {
  width: 40px;
  height: 22px;
  background: var(--color-border);
  border-radius: 11px;
  transition: background-color var(--transition-fast);
  position: relative;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  background: var(--color-card);
  border-radius: 50%;
  top: 3px;
  left: 3px;
  transition: transform var(--transition-fast);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.toggle-input:checked + .toggle-slider {
  background: var(--color-success);
}

.toggle-input:checked + .toggle-slider::before {
  transform: translateX(18px);
}

.toggle-input:focus + .toggle-slider {
  box-shadow: 0 0 0 3px rgba(212, 146, 42, 0.2);
}

.toggle-input:disabled + .toggle-slider {
  opacity: 0.4;
  cursor: not-allowed;
}

.toggle-label {
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-left: var(--space-3);
  user-select: none;
}

/* ==========================================================================
   Divider
   ========================================================================== */

.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-4) 0;
}

.divider-vertical {
  width: 1px;
  height: 100%;
  background: var(--color-border);
  margin: 0 var(--space-4);
}

/* ==========================================================================
   Avatar
   ========================================================================== */

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-surface);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.avatar-sm {
  width: 32px;
  height: 32px;
  font-size: var(--text-xs);
}

.avatar-lg {
  width: 56px;
  height: 56px;
  font-size: var(--text-lg);
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.avatar-group {
  display: flex;
}

.avatar-group .avatar {
  border: 2px solid var(--color-card);
  margin-left: -8px;
}

.avatar-group .avatar:first-child {
  margin-left: 0;
}

/* ==========================================================================
   Tooltip
   ========================================================================== */

.tooltip {
  position: relative;
  display: inline-flex;
}

.tooltip-content {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-2) var(--space-3);
  background: var(--color-primary);
  color: var(--color-text-on-dark);
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  margin-bottom: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.tooltip-content::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: var(--color-primary);
}

.tooltip:hover .tooltip-content {
  opacity: 1;
  visibility: visible;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

/* Mobile: < 768px */
@media (max-width: 767px) {
  .sidebar {
    display: none;
  }

  .content-area {
    margin-left: 0;
    padding: var(--space-4);
  }

  .page-layout {
    flex-direction: column;
  }

  .card {
    padding: var(--space-4);
  }

  .table-base {
    font-size: var(--text-sm);
  }

  .table-header th,
  .table-row td {
    padding: var(--space-3);
  }

  .chat-bubble-user,
  .chat-bubble-ai {
    max-width: 85%;
  }

  .modal-backdrop {
    padding: var(--space-4);
  }

  .modal-card {
    max-width: 100%;
    margin: var(--space-2);
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--space-4);
  }

  .page-header-row {
    flex-direction: column;
    align-items: stretch;
  }

  .page-header-actions {
    width: 100%;
    justify-content: flex-start;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .top-bar {
    padding: var(--space-3) var(--space-4);
  }

  .tabs {
    padding: 0;
  }

  .tab {
    padding: var(--space-3);
  }

  .toast-container {
    left: var(--space-4);
    right: var(--space-4);
    bottom: var(--space-4);
  }

  .toast {
    min-width: auto;
    width: 100%;
  }
}

/* Tablet: 768px - 1024px */
@media (min-width: 768px) and (max-width: 1024px) {
  .sidebar {
    width: 180px;
  }

  .content-area {
    margin-left: 180px;
    padding: var(--space-5);
  }

  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .modal-card {
    max-width: 90%;
  }
}

/* Desktop: > 1024px */
@media (min-width: 1025px) {
  /* Default layout already set */

  .card-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .stat-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ==========================================================================
   Background Colors
   ========================================================================== */

.bg-surface {
  background: var(--color-surface);
}

.bg-black\/50 {
  background: rgba(0, 0, 0, 0.5);
}

.bg-warning\/10 {
  background: rgba(212, 146, 42, 0.08);
}

/* ==========================================================================
   Text Colors
   ========================================================================== */

.text-white {
  color: #fff;
}

.text-white\/80 {
  color: rgba(255, 255, 255, 0.8);
}

.text-white\/60 {
  color: rgba(255, 255, 255, 0.6);
}

/* ==========================================================================
   Border Colors
   ========================================================================== */

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

/* ==========================================================================
   Width & Max-Width
   ========================================================================== */

.w-\[200px\] {
  width: 200px;
}

.w-\[260px\] {
  width: 260px;
}

.w-\[280px\] {
  width: 280px;
}

.w-\[calc\(100\%-24px\)\] {
  width: calc(100% - 24px);
}

.max-w-\[280px\] {
  max-width: 280px;
}

.max-w-\[300px\] {
  max-width: 300px;
}

.max-w-\[400px\] {
  max-width: 400px;
}

.max-w-\[440px\] {
  max-width: 440px;
}

.max-w-\[480px\] {
  max-width: 480px;
}

.max-w-\[600px\] {
  max-width: 600px;
}

.max-w-\[640px\] {
  max-width: 640px;
}

/* ==========================================================================
   Position & Z-Index
   ========================================================================== */

.inset-0 {
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

.bottom-0 {
  bottom: 0;
}

.left-0 {
  left: 0;
}

.left-\[220px\] {
  left: 220px;
}

.right-0 {
  right: 0;
}

.top-0 {
  top: 0;
}

.z-\[100\] {
  z-index: 100;
}

.z-\[199\] {
  z-index: 199;
}

.z-\[200\] {
  z-index: 200;
}

/* ==========================================================================
   Margin
   ========================================================================== */

.ml-\[260px\] {
  margin-left: 260px;
}

.ml-\[220px\] {
  margin-left: 220px;
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
  .sidebar,
  .top-bar,
  .btn,
  .chat-input-bar,
  .modal-backdrop,
  .toast-container {
    display: none !important;
  }

  .content-area {
    margin-left: 0;
    padding: 0;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }

  body {
    background: white;
    color: black;
  }
}

/* ==========================================================================
   Additional Utility Classes (added for inline style fixes)
   ========================================================================== */

/* Background colors */
.bg-card {
  background-color: var(--color-card);
}

.bg-primary {
  background-color: var(--color-primary);
}

.bg-accent {
  background-color: var(--color-accent);
}

.bg-black\/50 {
  background-color: rgba(0, 0, 0, 0.5);
}

/* Text colors */
.text-white\/80 {
  color: rgba(255, 255, 255, 0.8);
}

.text-white\/60 {
  color: rgba(255, 255, 255, 0.6);
}

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

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

/* Display */
.hidden {
  display: none !important;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-1 {
  flex: 1;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

/* Width/Height */
.w-full {
  width: 100%;
}

.h-full {
  height: 100%;
}

.min-h-screen {
  min-height: 100vh;
}

.h-screen {
  height: 100vh;
}

/* Positioning */
.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

.fixed {
  position: fixed;
}

.inset-0 {
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

/* Overflow */
.overflow-hidden {
  overflow: hidden;
}

.overflow-y-auto {
  overflow-y: auto;
}

/* Cursor */
.cursor-default {
  cursor: default;
}

/* Flex helpers */
.flex-shrink-0 {
  flex-shrink: 0;
}

/* Width utilities */
.w-\[260px\] {
  width: 260px;
}

/* Contractor actions remain reachable at phone widths. */
@media (max-width: 640px) {
  .page-header-actions, .table-actions { flex-wrap: wrap; white-space: normal; }
  .page-header-actions { display: flex; gap: .5rem; min-width: 0; }
  .page-header-actions .btn { max-width: 100%; white-space: normal; }
  .table-actions .btn { margin: .2rem; }
}

/* AI connection status uses words as well as color. */
#ai-heartbeat{display:inline-block;width:10px;height:10px;border-radius:50%;background:#8b681a;margin-right:8px}#ai-live-status[data-state=verified] #ai-heartbeat{background:#28784a;animation:ai-heartbeat 2s ease-in-out infinite}#ai-live-status[data-state=degraded] #ai-heartbeat,#ai-live-status[data-state=credential_rejected] #ai-heartbeat{background:#b52b25}#ai-live-status[data-state=disabled] #ai-heartbeat{background:#737373}@keyframes ai-heartbeat{50%{box-shadow:0 0 0 5px rgba(40,120,74,.14)}}@media(prefers-reduced-motion:reduce){#ai-heartbeat{animation:none!important}}

.app-admin-page .sidebar-section-title{color:rgba(255,255,255,.65)}.app-admin-page .sidebar-plan-badge,.app-admin-page .btn-primary{color:#1a1a1a}.app-admin-page main a,.app-admin-page .site-footer a,.app-admin-page>p a{color:#80510c}.app-admin-page>p a:hover,.app-admin-page .site-footer a:hover{color:#61400b}.app-admin-page .site-footer{display:flex;flex-wrap:wrap;gap:1rem;padding:1rem;font-size:13px}