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


/* ========================================
   FastData LLM Training Platform - Design System
   Modern Enterprise UI Theme
   ======================================== */
/* ========================================
   CSS Variables - Design Tokens
   ======================================== */
:root {
  /* Primary Colors - Deep Tech Blue */
  --color-primary: #2563eb;
  --color-primary-light: #3b82f6;
  --color-primary-dark: #1d4ed8;
  --color-primary-gradient: linear-gradient(135deg, #2563eb 0%, #3b82f6 50%, #60a5fa 100%);
  --color-primary-glow: rgba(37, 99, 235, 0.3);

  /* Secondary Colors - Indigo */
  --color-secondary: #4f46e5;
  --color-secondary-light: #6366f1;
  --color-secondary-dark: #4338ca;

  /* Accent Colors */
  --color-accent: #06b6d4;
  --color-accent-gradient: linear-gradient(135deg, #06b6d4 0%, #22d3ee 100%);

  /* Success / Running */
  --color-success: #10b981;
  --color-success-light: #34d399;
  --color-success-bg: rgba(16, 185, 129, 0.1);
  --color-success-border: rgba(16, 185, 129, 0.3);

  /* Warning */
  --color-warning: #f59e0b;
  --color-warning-light: #fbbf24;
  --color-warning-bg: rgba(245, 158, 11, 0.1);

  /* Error / Failed */
  --color-error: #ef4444;
  --color-error-light: #f87171;
  --color-error-bg: rgba(239, 68, 68, 0.1);
  --color-error-border: rgba(239, 68, 68, 0.3);

  /* Pending */
  --color-pending: #8b5cf6;
  --color-pending-bg: rgba(139, 92, 246, 0.1);

  /* Neutral Colors */
  --color-bg-primary: #f8fafc;
  --color-bg-secondary: #ffffff;
  --color-bg-tertiary: #f1f5f9;
  --color-bg-dark: #0f172a;
  --color-bg-gradient: linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%);

  /* Text Colors */
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-tertiary: #94a3b8;
  --color-text-inverse: #ffffff;

  /* Border Colors */
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  --color-border-hover: #cbd5e1;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-card-hover: 0 10px 40px rgba(0, 0, 0, 0.12);
  --shadow-primary: 0 4px 14px 0 rgba(37, 99, 235, 0.3);
  --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.15);

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* 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;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-base: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 24px;
  --font-size-3xl: 30px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Layout */
  --header-height: 56px;
  --sidebar-width: 240px;
  --sidebar-collapsed-width: 72px;
}
/* ========================================
   Base Styles
   ======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
#root {
  width: 100%;
  min-height: 100vh;
}
.app-shell {
  display: flex;
  align-items: stretch;
  min-height: calc(100vh - 60px);
  width: 100%;
}
.app-shell__main {
  flex: 1 1 auto;
  min-width: 0;
  transition: width var(--transition-slow), transform var(--transition-slow);
}
.app-shell__doc-rail {
  width: 0;
  flex: 0 0 auto;
  overflow: hidden;
  align-self: flex-start;
  position: sticky;
  top: 0;
  height: calc(100vh - 60px);
  border-bottom-left-radius: 28px;
  background:
    radial-gradient(circle at top left, rgba(99, 102, 241, 0.16), transparent 28%),
    linear-gradient(180deg, #111827 0%, #0f172a 100%);
  border-left: 1px solid rgba(148, 163, 184, 0.18);
  box-shadow: -18px 0 48px rgba(15, 23, 42, 0.18);
  transition: width var(--transition-slow), background var(--transition-slow);
}
.app-shell__doc-rail--open {
  width: 392px;
}
.design-doc-panel {
  height: 100%;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  background: transparent;
  color: rgba(255, 255, 255, 0.9);
  position: relative;
}
.design-doc-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 20px 14px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.14);
}
.design-doc-panel__header-main {
  display: flex;
  align-items: center;
  min-width: 0;
}
.design-doc-panel__title.ant-typography {
  margin: 0 !important;
  color: #fff;
}
.design-doc-panel__tabs {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 0 10px 0;
}
.design-doc-panel__tabs .ant-tabs-nav {
  margin-bottom: 12px;
  padding: 0 10px;
}
.design-doc-panel__tabs .ant-tabs-tab {
  color: rgba(226, 232, 240, 0.72);
}
.design-doc-panel__tabs .ant-tabs-tab-active .ant-tabs-tab-btn {
  color: #fff !important;
}
.design-doc-panel__tabs .ant-tabs-ink-bar {
  background: linear-gradient(135deg, #60a5fa 0%, #818cf8 100%) !important;
}
.design-doc-panel__tabs .ant-tabs-content-holder {
  flex: 1;
  min-height: 0;
  height: 0;
}
.design-doc-panel__tabs .ant-tabs-content,
.design-doc-panel__tabs .ant-tabs-tabpane {
  height: 100%;
}
.design-doc-panel__content {
  height: 100%;
  overflow-y: auto;
  padding: 0 10px 104px;
}
.design-doc-panel::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 120px;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0) 0%, rgba(15, 23, 42, 0.88) 58%, #0f172a 100%);
}
.design-doc-section {
  background: rgba(15, 23, 42, 0.36);
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: 18px;
  padding: 16px;
  margin-bottom: 12px;
  backdrop-filter: blur(18px);
}
.design-doc-section .ant-typography,
.design-doc-card .ant-typography {
  color: rgba(255, 255, 255, 0.9);
}
.design-doc-section .ant-typography-secondary,
.design-doc-card .ant-typography-secondary {
  color: rgba(226, 232, 240, 0.72) !important;
}
.design-doc-section__label {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  margin-bottom: 12px;
  border-radius: 999px;
  background: rgba(79, 70, 229, 0.18);
  color: #c7d2fe;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.design-doc-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.design-doc-save-hint.ant-typography {
  color: rgba(191, 219, 254, 0.72);
  font-size: 12px;
}
.design-doc-card {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(30, 41, 59, 0.68);
  border: 1px solid rgba(148, 163, 184, 0.12);
  margin-bottom: 10px;
}
.design-doc-card:last-child {
  margin-bottom: 0;
}
.design-doc-card--editor {
  padding: 14px;
}
.design-doc-card--dragging {
  opacity: 0.6;
  border-color: rgba(96, 165, 250, 0.42);
  box-shadow: 0 0 0 1px rgba(96, 165, 250, 0.18);
}
.design-doc-card__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}
.design-doc-card__title-group {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}
.design-doc-drag-handle {
  color: rgba(191, 219, 254, 0.76) !important;
  cursor: grab !important;
}
.design-doc-drag-handle:hover {
  background: rgba(59, 130, 246, 0.12) !important;
}
.design-doc-drag-handle:active {
  cursor: grabbing !important;
}
.design-doc-textarea,
.design-doc-textarea.ant-input {
  background: rgba(15, 23, 42, 0.78) !important;
  border: 1px solid rgba(148, 163, 184, 0.16) !important;
  color: rgba(255, 255, 255, 0.92) !important;
  border-radius: 14px !important;
  box-shadow: none !important;
}
.design-doc-textarea::placeholder,
.design-doc-textarea.ant-input::placeholder {
  color: rgba(148, 163, 184, 0.72) !important;
}
.design-doc-bullet {
  position: relative;
  padding-left: 16px;
}
.design-doc-bullet::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(135deg, #60a5fa 0%, #818cf8 100%);
}
.design-doc-fab {
  position: fixed !important;
  bottom: 28px;
  z-index: 120;
  height: 46px !important;
  padding-inline: 16px !important;
  border-radius: 999px !important;
  box-shadow: 0 18px 40px rgba(37, 99, 235, 0.3) !important;
  transition: right var(--transition-slow), transform var(--transition-base), box-shadow var(--transition-base) !important;
}
.design-doc-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 46px rgba(37, 99, 235, 0.34) !important;
}
.design-doc-fab--open {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%) !important;
}
@media (max-width: 1280px) {
  .app-shell__doc-rail--open {
    width: 360px;
  }

  .design-doc-fab {
    right: 24px !important;
  }
}
/* ========================================
   Scrollbar Styles
   ======================================== */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #cbd5e1 0%, #94a3b8 100%);
  border-radius: 3px;
  transition: background var(--transition-fast);
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #94a3b8 0%, #64748b 100%);
}
::-webkit-scrollbar-corner {
  background: transparent;
}
/* Firefox Scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: #94a3b8 transparent;
}
/* ========================================
   Selection Styles
   ======================================== */
::selection {
  background: rgba(37, 99, 235, 0.2);
  color: var(--color-primary-dark);
}
/* ========================================
   Focus Styles
   ======================================== */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
/* ========================================
   Ant Design Override Variables
   ======================================== */
/* Button */
.ant-btn {
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.ant-btn-primary {
  background: var(--color-primary-gradient) !important;
  border: none !important;
  box-shadow: var(--shadow-primary);
}
.ant-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4) !important;
}
.ant-btn-primary:active {
  transform: translateY(0);
}
.ant-btn-default {
  border-color: var(--color-border) !important;
  background: white;
}
.ant-btn-default:hover {
  color: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
}
/* Card */
.ant-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
}
.ant-card:hover {
  box-shadow: var(--shadow-card-hover);
}
.ant-card-head {
  border-bottom-color: var(--color-border-light);
  padding: 16px 24px;
}
.ant-card-head-title {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}
.ant-card-body {
  padding: 20px 24px;
}
/* Table */
.ant-table {
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.ant-table-thead > tr > th {
  background: var(--color-bg-tertiary) !important;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 16px;
}
.ant-table-tbody > tr > td {
  padding: 16px;
  border-bottom-color: var(--color-border-light);
  transition: background var(--transition-fast);
}
.ant-table-tbody > tr:hover > td {
  background: rgba(37, 99, 235, 0.02) !important;
}
.ant-table-tbody > tr:last-child > td {
  border-bottom: none;
}
/* Input */
.ant-input,
.ant-input-affix-wrapper,
.ant-select-selector {
  border-radius: var(--radius-md) !important;
  border-color: var(--color-border) !important;
  transition: all var(--transition-fast);
}
.ant-input:hover,
.ant-input-affix-wrapper:hover,
.ant-select-selector:hover {
  border-color: var(--color-primary-light) !important;
}
.ant-input:focus,
.ant-input-affix-wrapper-focused,
.ant-select-focused .ant-select-selector {
  border-color: var(--color-primary) !important;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1) !important;
}
/* Tabs */
.ant-tabs-nav {
  margin-bottom: 0;
}
.ant-tabs-tab {
  font-weight: var(--font-weight-medium);
  padding: 12px 0 !important;
  margin: 0 16px 0 0 !important;
  transition: all var(--transition-fast);
}
.ant-tabs-tab:hover {
  color: var(--color-primary);
}
.ant-tabs-tab-active .ant-tabs-tab-btn {
  color: var(--color-primary) !important;
  font-weight: var(--font-weight-semibold);
}
.ant-tabs-ink-bar {
  background: var(--color-primary-gradient) !important;
  height: 3px !important;
  border-radius: 2px;
}
/* Tag */
.ant-tag {
  border-radius: var(--radius-full);
  padding: 2px 10px;
  font-weight: var(--font-weight-medium);
  border: none;
}
/* Steps */
.ant-steps-item-process .ant-steps-item-icon {
  background: var(--color-primary-gradient);
  border-color: var(--color-primary);
}
.ant-steps-item-finish .ant-steps-item-icon {
  background: var(--color-success-bg);
  border-color: var(--color-success);
}
.ant-steps-item-finish .ant-steps-item-icon .ant-steps-icon {
  color: var(--color-success);
}
.ant-steps-item-title {
  font-weight: var(--font-weight-medium);
}
/* Switch */
.ant-switch {
  border-radius: var(--radius-full);
}
.ant-switch-checked {
  background: var(--color-primary-gradient) !important;
}
/* Select */
.ant-select-dropdown {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
}
.ant-select-item-option-selected {
  background: rgba(37, 99, 235, 0.08) !important;
  font-weight: var(--font-weight-medium);
}
/* Tooltip */
.ant-tooltip-inner {
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  padding: 8px 12px;
}
/* Modal */
.ant-modal-content {
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.ant-modal-header {
  padding: 20px 24px;
}
.ant-modal-title {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-lg);
}
.ant-modal-body {
  padding: 24px;
}
.ant-modal-footer {
  padding: 16px 24px;
}
/* Drawer */
.ant-drawer-content {
  border-radius: var(--radius-xl) 0 0 var(--radius-xl);
}
.ant-drawer-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
}
.ant-drawer-body {
  padding: 24px;
}
/* Form */
.ant-form-item-label > label {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}
.ant-form-item {
  margin-bottom: 20px;
}
/* Descriptions */
.ant-descriptions-item-label {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background: var(--color-bg-tertiary) !important;
}
.ant-descriptions-item-content {
  color: var(--color-text-primary);
}
/* Progress */
.ant-progress-inner {
  background: var(--color-bg-tertiary);
}
.ant-progress-bg {
  background: var(--color-primary-gradient) !important;
}
/* Statistic */
.ant-statistic-title {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
}
.ant-statistic-content {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
}
/* Dropdown */
.ant-dropdown-menu {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 8px;
  border: 1px solid var(--color-border);
}
.ant-dropdown-menu-item {
  border-radius: var(--radius-md);
  padding: 8px 12px;
}
/* Pagination */
.ant-pagination-item {
  border-radius: var(--radius-md);
  border-color: var(--color-border);
}
.ant-pagination-item-active {
  background: var(--color-primary-gradient);
  border-color: var(--color-primary);
}
.ant-pagination-item-active a {
  color: white;
}
/* ========================================
   Animation Keyframes
   ======================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}
@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 5px rgba(37, 99, 235, 0.3);
  }
  50% {
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
  }
}
/* ========================================
   Utility Classes
   ======================================== */
.animate-fade-in {
  animation: fadeIn 0.4s ease-out forwards;
}
.animate-slide-in-left {
  animation: slideInLeft 0.4s ease-out forwards;
}
.animate-slide-in-right {
  animation: slideInRight 0.4s ease-out forwards;
}
.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}
.animate-glow {
  animation: glow 2s ease-in-out infinite;
}
/* Stagger animations */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
/* Gradient text */
.gradient-text {
  background: var(--color-primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
/* Glass effect */
.glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
/* Status indicators */
.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.status-dot.running {
  background: var(--color-primary);
  animation: pulse 1.5s ease-in-out infinite;
}
.status-dot.success {
  background: var(--color-success);
}
.status-dot.error {
  background: var(--color-error);
}
.status-dot.pending {
  background: var(--color-pending);
}
/* Card hover effect */
.card-hover {
  transition: all var(--transition-base);
  cursor: pointer;
}
.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}


:root {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.5;
  font-weight: 400;
  color-scheme: light dark;
  color: rgba(0, 0, 0, 0.87);
  background-color: #eff9ff;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

body {
  min-width: 320px;
  min-height: 100vh;
}

#root {
  width: 100%;
  height: 100vh;
}

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

::-webkit-scrollbar-thumb {
  background: #d9d9d9;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #bfbfbf;
}