/* TradingAgents Dashboard - Apple Design System */

:root {
  /* === Apple Color System === */
  /* Backgrounds */
  --color-black: #000000;
  --color-white: #ffffff;
  --color-light-gray: #f5f5f7;
  --color-near-black: #1d1d1f;

  /* Interactive */
  --color-apple-blue: #0071e3;
  --color-link-blue: #0066cc;
  --color-link-blue-bright: #2997ff;

  /* Text */
  --color-text-dark: rgba(0, 0, 0, 0.8);
  --color-text-secondary: rgba(0, 0, 0, 0.48);
  --color-text-white-80: rgba(255, 255, 255, 0.8);
  --color-text-white-48: rgba(255, 255, 255, 0.48);

  /* Dark Surfaces */
  --color-dark-1: #272729;
  --color-dark-2: #262628;
  --color-dark-3: #28282a;
  --color-dark-4: #2a2a2d;
  --color-dark-5: #242426;

  /* Buttons */
  --color-btn-active: #ededf2;
  --color-btn-light: #fafafc;
  --color-overlay: rgba(210, 210, 215, 0.64);
  --color-white-32: rgba(255, 255, 255, 0.32);

  /* Shadows */
  --shadow-card: rgba(0, 0, 0, 0.22) 3px 5px 30px 0px;

  /* === Semantic Colors (kept for financial data) === */
  --color-buy: #22c55e;
  --color-sell: #dc2626;
  --color-hold: #f59e0b;
  --color-running: #a855f7;

  /* === Spacing (Apple 8px base) === */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 28px;
  --space-8: 32px;
  --space-9: 36px;
  --space-10: 40px;
  --space-11: 44px;
  --space-12: 48px;
  --space-14: 56px;
  --space-16: 64px;

  /* === Typography === */
  --font-display: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-text: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-data: 'DM Sans', 'JetBrains Mono', 'Menlo', monospace;

  /* Apple type scale */
  --text-hero: 56px;
  --text-section: 40px;
  --text-tile: 28px;
  --text-card: 21px;
  --text-nav: 17px;
  --text-body: 17px;
  --text-button: 17px;
  --text-link: 14px;
  --text-caption: 12px;

  /* === Border Radius === */
  --radius-micro: 5px;
  --radius-standard: 8px;
  --radius-comfortable: 11px;
  --radius-large: 12px;
  --radius-pill: 980px;
  --radius-circle: 50%;

  /* === Transitions === */
  --transition-fast: 150ms ease;
}

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

body {
  font-family: var(--font-text);
  background-color: var(--color-light-gray);
  color: var(--color-near-black);
  line-height: 1.47;
  letter-spacing: -0.374px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === Scrollbar === */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.15);
  border-radius: var(--radius-standard);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.25);
}

/* === Layout === */
.dashboard-layout {
  display: flex;
  min-height: 100vh;
}

/* === Sidebar (Apple Glass Nav) === */
.sidebar {
  width: 240px;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-right: none;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: width var(--transition-fast);
}

.sidebar.collapsed {
  width: 64px;
}

.sidebar-logo {
  padding: var(--space-4) var(--space-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-weight: 600;
  font-size: 14px;
  color: var(--color-white);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  height: 48px;
  letter-spacing: -0.28px;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-2) var(--space-2);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-standard);
  color: var(--color-text-white-80);
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
  margin-bottom: var(--space-1);
  font-size: 14px;
  font-weight: 400;
  height: 36px;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

.nav-item.active {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
}

.nav-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.nav-item span {
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-collapse-btn {
  background: none;
  border: none;
  color: var(--color-text-white-48);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 12px;
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-standard);
  transition: color var(--transition-fast);
  width: 100%;
  justify-content: flex-start;
}

.sidebar-collapse-btn:hover {
  color: var(--color-white);
}

.sidebar-collapse-btn:focus-visible {
  outline: 2px solid var(--color-apple-blue);
  outline-offset: 2px;
}

/* Collapsed sidebar: hide button label, center icon */
.sidebar.collapsed .sidebar-collapse-btn {
  justify-content: center;
  padding: var(--space-3);
}
.sidebar.collapsed .sidebar-collapse-btn span {
  display: none;
}

/* === Main Content === */
.main-content {
  flex: 1;
  margin-left: 240px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition-fast);
}

.sidebar.collapsed ~ .main-content {
  margin-left: 64px;
}

.topbar {
  height: 48px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  background: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-near-black);
  letter-spacing: -0.224px;
}

.topbar-date {
  font-size: 14px;
  color: var(--color-text-secondary);
  font-weight: 400;
}

.page-content {
  flex: 1;
  padding: var(--space-8) var(--space-6);
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* === Apple Cards === */
.card {
  background: var(--color-white);
  border: none;
  border-radius: var(--radius-standard);
  padding: var(--space-6);
  box-shadow: none;
  transition: box-shadow var(--transition-fast);
}

.card:hover {
  box-shadow: var(--shadow-card);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.card-title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.231px;
  line-height: 1.19;
  color: var(--color-near-black);
}

/* === Apple Section === */
.section-dark {
  background: var(--color-black);
  color: var(--color-white);
}

.section-light {
  background: var(--color-light-gray);
  color: var(--color-near-black);
}

.section-full {
  min-height: 100vh;
}

/* === Typography === */
.text-hero {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 600;
  line-height: 1.07;
  letter-spacing: -0.28px;
}

.text-section-heading {
  font-family: var(--font-display);
  font-size: var(--text-section);
  font-weight: 600;
  line-height: 1.10;
}

.text-tile-heading {
  font-family: var(--font-display);
  font-size: var(--text-tile);
  font-weight: 400;
  line-height: 1.14;
  letter-spacing: 0.196px;
}

.text-card-title {
  font-family: var(--font-display);
  font-size: var(--text-card);
  font-weight: 700;
  line-height: 1.19;
  letter-spacing: 0.231px;
}

.text-body {
  font-family: var(--font-text);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: 1.47;
  letter-spacing: -0.374px;
}

.text-emphasis {
  font-family: var(--font-text);
  font-size: var(--text-body);
  font-weight: 600;
  line-height: 1.24;
  letter-spacing: -0.374px;
}

.text-link {
  font-family: var(--font-text);
  font-size: var(--text-link);
  font-weight: 400;
  line-height: 1.43;
  letter-spacing: -0.224px;
}

.text-caption {
  font-family: var(--font-text);
  font-size: var(--text-caption);
  font-weight: 400;
  line-height: 1.29;
  letter-spacing: -0.224px;
  color: var(--color-text-secondary);
}

.text-data {
  font-family: var(--font-data);
  font-size: 14px;
}

/* === Apple Buttons === */
.btn-primary {
  background: var(--color-apple-blue);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-standard);
  padding: 8px 15px;
  font-family: var(--font-text);
  font-size: var(--text-button);
  font-weight: 400;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.btn-primary:hover {
  background: #0077ED;
}

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

.btn-primary:focus-visible {
  outline: 2px solid var(--color-apple-blue);
  outline-offset: 2px;
}

.btn-secondary {
  background: var(--color-near-black);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-standard);
  padding: 8px 15px;
  font-family: var(--font-text);
  font-size: var(--text-button);
  font-weight: 400;
  line-height: 1;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.btn-secondary:hover {
  opacity: 0.85;
}

.btn-secondary:active {
  background: var(--color-dark-1);
}

.btn-secondary:focus-visible {
  outline: 2px solid var(--color-apple-blue);
  outline-offset: 2px;
}

.btn-ghost {
  background: transparent;
  color: var(--color-link-blue);
  border: 1px solid var(--color-link-blue);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-family: var(--font-text);
  font-size: var(--text-link);
  font-weight: 400;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.btn-ghost:hover {
  text-decoration: underline;
}

.btn-ghost:focus-visible {
  outline: 2px solid var(--color-apple-blue);
  outline-offset: 2px;
}

.btn-filter {
  background: var(--color-btn-light);
  color: var(--color-text-dark);
  border: none;
  border-radius: var(--radius-comfortable);
  padding: 0px 14px;
  height: 32px;
  font-family: var(--font-text);
  font-size: 12px;
  font-weight: 400;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.04);
  transition: all var(--transition-fast);
}

.btn-filter:hover {
  box-shadow: inset 0 0 0 2px rgba(0, 0, 0, 0.08);
}

.btn-filter:active {
  background: var(--color-btn-active);
}

.btn-filter:focus-visible {
  outline: 2px solid var(--color-apple-blue);
  outline-offset: 2px;
}

/* === Decision Badges === */
.badge-buy {
  background: var(--color-buy);
  color: var(--color-white);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-family: var(--font-text);
  font-size: 14px;
  font-weight: 600;
}

.badge-sell {
  background: var(--color-sell);
  color: var(--color-white);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-family: var(--font-text);
  font-size: 14px;
  font-weight: 600;
}

.badge-hold {
  background: var(--color-hold);
  color: var(--color-white);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-family: var(--font-text);
  font-size: 14px;
  font-weight: 600;
}

.badge-running {
  background: var(--color-running);
  color: var(--color-white);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-family: var(--font-text);
  font-size: 14px;
  font-weight: 600;
}

/* === Stage Pills === */
.stage-pill {
  padding: 8px 16px;
  border-radius: var(--radius-standard);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.stage-pill.completed {
  background: rgba(34, 197, 94, 0.15);
  color: var(--color-buy);
}

.stage-pill.running {
  background: rgba(168, 85, 247, 0.15);
  color: var(--color-running);
}

.stage-pill.pending {
  background: rgba(0, 0, 0, 0.05);
  color: var(--color-text-secondary);
}

.stage-pill.failed {
  background: rgba(220, 38, 38, 0.15);
  color: var(--color-sell);
}

/* === Empty States === */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16);
  text-align: center;
}

.empty-state svg {
  width: 48px;
  height: 48px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.empty-state-title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.231px;
  color: var(--color-near-black);
  margin-bottom: var(--space-2);
}

.empty-state-description {
  font-size: 14px;
  color: var(--color-text-secondary);
  max-width: 280px;
}

/* === Progress Bar === */
.progress-bar {
  height: 4px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--color-apple-blue);
  border-radius: 2px;
  transition: width 300ms ease-out;
}

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

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

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

/* === Data Table === */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  font-family: var(--font-text);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  letter-spacing: 0.024px;
}

.data-table td {
  padding: var(--space-4);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  font-size: 14px;
  color: var(--color-near-black);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background: rgba(0, 0, 0, 0.02);
}

.data-table .numeric {
  font-family: var(--font-data);
  text-align: right;
}

/* === Loading Pulse === */
@keyframes apple-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.loading-pulse {
  animation: apple-pulse 2s ease-in-out infinite;
  color: var(--color-apple-blue);
}

/* === Responsive === */
@media (max-width: 1024px) {
  .sidebar {
    width: 64px;
  }
  .sidebar-logo span,
  .nav-item span,
  .sidebar-collapse-btn span:not(:first-child) {
    display: none;
  }
  .main-content {
    margin-left: 64px;
  }
}

@media (max-width: 767px) {
  .sidebar {
    display: none;
  }
  .main-content {
    margin-left: 0;
  }
  .topbar {
    padding: 0 var(--space-4);
  }
  .page-content {
    padding: var(--space-4);
  }
}

/* === Ant Design Overrides === */
.ant-table {
  background: transparent !important;
  font-family: var(--font-text) !important;
}

.ant-table-thead > tr > th {
  background: transparent !important;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08) !important;
  color: var(--color-text-secondary) !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  letter-spacing: 0.024px !important;
  padding: var(--space-3) var(--space-4) !important;
}

.ant-table-tbody > tr > td {
  border-bottom: 1px solid rgba(0, 0, 0, 0.06) !important;
  padding: var(--space-4) !important;
  color: var(--color-near-black) !important;
  font-size: 14px !important;
}

.ant-table-tbody > tr:hover > td {
  background: rgba(0, 0, 0, 0.02) !important;
}

.ant-select-selector {
  border-radius: var(--radius-comfortable) !important;
  background: var(--color-btn-light) !important;
  border: none !important;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.04) !important;
  font-family: var(--font-text) !important;
}

.ant-select-dropdown {
  border-radius: var(--radius-standard) !important;
  box-shadow: var(--shadow-card) !important;
}

.ant-popover-inner {
  border-radius: var(--radius-standard) !important;
  box-shadow: var(--shadow-card) !important;
}

.ant-popover-title {
  font-family: var(--font-display) !important;
  font-weight: 600 !important;
  border-bottom: none !important;
}

.ant-btn-primary {
  background: var(--color-apple-blue) !important;
  border: none !important;
  border-radius: var(--radius-standard) !important;
  font-family: var(--font-text) !important;
  font-size: 14px !important;
  font-weight: 400 !important;
  box-shadow: none !important;
}

.ant-btn-primary:hover {
  background: #0077ED !important;
}

.ant-btn-primary:active {
  background: var(--color-btn-active) !important;
}

.ant-btn-primary:focus-visible {
  outline: 2px solid var(--color-apple-blue) !important;
  outline-offset: 2px !important;
}

.ant-btn-default {
  border-radius: var(--radius-standard) !important;
  border: none !important;
  background: var(--color-btn-light) !important;
  color: var(--color-text-dark) !important;
  font-family: var(--font-text) !important;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.04) !important;
}

.ant-btn-default:hover {
  background: var(--color-btn-active) !important;
}

.ant-skeleton {
  padding: var(--space-4) !important;
}

.ant-result-title {
  font-family: var(--font-display) !important;
  font-weight: 600 !important;
}

.ant-statistic-title {
  font-family: var(--font-text) !important;
  font-size: 12px !important;
  color: var(--color-text-secondary) !important;
  letter-spacing: 0.024px !important;
}

.ant-statistic-content {
  font-family: var(--font-data) !important;
  font-size: 28px !important;
  font-weight: 600 !important;
  color: var(--color-near-black) !important;
}

.ant-progress-inner {
  background: rgba(0, 0, 0, 0.08) !important;
  border-radius: 2px !important;
}

.ant-progress-bg {
  background: var(--color-apple-blue) !important;
}

.ant-tag {
  border-radius: var(--radius-pill) !important;
  font-family: var(--font-text) !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  border: none !important;
}

.ant-input-number {
  border-radius: var(--radius-comfortable) !important;
  border: none !important;
  background: var(--color-btn-light) !important;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.04) !important;
  font-family: var(--font-text) !important;
}

.ant-input-number-input {
  font-family: var(--font-text) !important;
}

.ant-tabs-nav::before {
  border-bottom: 1px solid rgba(0, 0, 0, 0.08) !important;
}

.ant-tabs-tab {
  font-family: var(--font-text) !important;
  font-size: 14px !important;
  color: var(--color-text-secondary) !important;
}

.ant-tabs-tab-active .ant-tabs-tab-btn {
  color: var(--color-near-black) !important;
  font-weight: 600 !important;
}