/* ==========================================================================
   Thomas's Delta Neutral Portfolio & Farming Monitor Stylesheet
   Design System: Obsidian Dark Glassmorphism, Crypto & Delta Financial Theme
   ========================================================================== */

:root {
  /* Dark Color Palette */
  --bg-primary: #0a0d14;
  --bg-surface: #111722;
  --bg-surface-elevated: #182030;
  --bg-glass: rgba(17, 23, 34, 0.88);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.18);

  /* Typography Colors */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Accent & Delta PnL Colors */
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --color-green: #00f090;
  --color-green-bg: rgba(0, 240, 144, 0.12);
  --color-red: #ff3366;
  --color-red-bg: rgba(255, 51, 102, 0.12);
  --color-warning: #f59e0b;
  --color-warning-bg: rgba(245, 158, 11, 0.15);

  /* Exchange & Source Identity Colors */
  --ex-binance: #f0b90b;
  --ex-binance-bg: rgba(240, 185, 11, 0.15);
  --ex-bybit: #ff9900;
  --ex-bybit-bg: rgba(255, 153, 0, 0.15);
  --ex-okx: #a855f7;
  --ex-okx-bg: rgba(168, 85, 247, 0.15);
  --ex-gate: #00b4d8;
  --ex-gate-bg: rgba(0, 180, 216, 0.15);
  --ex-bitget: #00f090;
  --ex-bitget-bg: rgba(0, 240, 144, 0.15);
  --ex-lbank: #eab308;
  --ex-lbank-bg: rgba(234, 179, 8, 0.15);
  --ex-hyperliquid: #38bdf8;
  --ex-hyperliquid-bg: rgba(56, 189, 248, 0.15);
  --ex-upbit: #0062df;
  --ex-upbit-bg: rgba(0, 98, 223, 0.15);
  --ex-bithumb: #ff7700;
  --ex-bithumb-bg: rgba(255, 119, 0, 0.15);
  --ex-korbit: #00c389;
  --ex-korbit-bg: rgba(0, 195, 137, 0.15);
  --ex-gopax: #3b82f6;
  --ex-gopax-bg: rgba(59, 130, 246, 0.15);
  --ex-domestic: #10b981;
  --ex-domestic-bg: rgba(16, 185, 129, 0.15);

  /* Geometry & Shadows */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.55);
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-surface-elevated);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ==========================================================================
   Header Navbar
   ========================================================================== */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon.delta-logo {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #00f090, #3b82f6);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #0b0e14;
  box-shadow: 0 0 16px rgba(0, 240, 144, 0.35);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.brand-name .highlight {
  color: var(--color-green);
}

.brand-badge {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 600;
}

/* Live FX & Exchange Status Bar */
.exchange-status-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.fx-live-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(0, 240, 144, 0.08);
  border: 1px solid rgba(0, 240, 144, 0.25);
  border-radius: 20px;
  font-size: 12px;
  color: var(--color-green);
  font-family: var(--font-mono);
}

.exchange-group-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 11px;
}
.exchange-group-pill.domestic {
  border-color: rgba(0, 98, 223, 0.3);
}

.group-label {
  color: var(--text-muted);
  font-weight: 700;
  font-size: 10px;
  text-transform: uppercase;
}

.ex-dot-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text-secondary);
  font-size: 11px;
  padding: 1px 4px;
  border-radius: 3px;
}
.ex-dot-tag.active {
  color: var(--text-primary);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border-color: var(--border-color);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-color-hover);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-color);
}
.btn-outline:hover {
  border-color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
}

.btn-danger {
  background: var(--color-red-bg);
  color: var(--color-red);
  border-color: rgba(255, 51, 102, 0.3);
}
.btn-danger:hover {
  background: var(--color-red);
  color: #fff;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
}

/* ==========================================================================
   Main Content & Top Executive Metrics (고정 헤더 위젯)
   ========================================================================== */
.main-content {
  flex: 1;
  padding: 24px;
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 125px;
}

.stat-card.primary-card {
  background: linear-gradient(145deg, #141d2f, #101624);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.15);
}

.stat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.stat-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value-group {
  margin: 4px 0 10px 0;
}

.stat-value {
  font-size: 22px;
  font-weight: 800;
  font-family: var(--font-mono);
  letter-spacing: -0.5px;
}

.stat-subtext {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: 2px;
}

.stat-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
}

.pnl-positive {
  color: var(--color-green);
}
.pnl-negative {
  color: var(--color-red);
}

/* Delta Status Badges */
.badge-status-perfect {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(0, 240, 144, 0.15);
  border: 1px solid rgba(0, 240, 144, 0.4);
  border-radius: 6px;
  color: var(--color-green);
  font-size: 11px;
  font-weight: 700;
}

.badge-status-warning {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--color-warning-bg);
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-radius: 6px;
  color: var(--color-warning);
  font-size: 11px;
  font-weight: 700;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}
.badge-success { background: var(--color-green-bg); color: var(--color-green); }
.badge-danger { background: var(--color-red-bg); color: var(--color-red); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-info { background: rgba(59, 130, 246, 0.15); color: var(--color-accent); }
.badge-safe { background: rgba(0, 240, 144, 0.15); color: var(--color-green); }

.live-pulse {
  font-size: 9px;
  font-weight: 700;
  color: var(--color-green);
  background: rgba(0, 240, 144, 0.15);
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   Navigation Tabs
   ========================================================================== */
.view-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
  overflow-x: auto;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
  color: var(--color-green);
  border-bottom-color: var(--color-green);
  background: rgba(0, 240, 144, 0.04);
}

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

/* ==========================================================================
   Card Layouts & Tables
   ========================================================================== */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-header h3 {
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.grid-4col {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.margin-top {
  margin-top: 20px;
}

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

/* Data Table Styling */
.table-responsive {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  text-align: left;
  padding: 12px 14px;
  color: var(--text-secondary);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.15);
  font-size: 12px;
}

.data-table td {
  padding: 14px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.data-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.mono-val {
  font-family: var(--font-mono);
}

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

/* Account Tags & Sources */
.account-name-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ex-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 3px 8px;
  border-radius: 5px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.3px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.25);
}

/* 1. 해외 거래소: 밝은 녹색 (Bright Green) */
.ex-badge.ex-badge-overseas,
.ex-badge.binance,
.ex-badge.bybit,
.ex-badge.okx,
.ex-badge.gate,
.ex-badge.bitget,
.ex-badge.lbank {
  background: rgba(0, 240, 144, 0.16);
  color: #00f090;
  border: 1px solid rgba(0, 240, 144, 0.45);
}

/* 2. 국내 거래소: 밝은 파란색 (Bright Blue) */
.ex-badge.ex-badge-domestic,
.ex-badge.upbit,
.ex-badge.bithumb,
.ex-badge.korbit,
.ex-badge.gopax {
  background: rgba(56, 189, 248, 0.16);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.45);
}

/* 3. DEX 탈중앙화: 밝은 갈색 / 앰버 브라운 (Bright Caramel Brown / Amber) */
.ex-badge.ex-badge-dex,
.ex-badge.hyperliquid {
  background: rgba(217, 119, 6, 0.22);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.5);
}

/* 계정 식별 코드: [MJ], [HN], [SJ], [DEX] */
.account-code-tag {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  color: #f1f5f9;
  letter-spacing: 0.5px;
}

.account-items-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.item-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11.5px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
}
.item-tag.spot-tag {
  border-color: rgba(0, 240, 144, 0.3);
  color: var(--text-primary);
}
.item-tag.short-tag {
  border-color: rgba(255, 51, 102, 0.3);
  color: #ffa3b8;
}

.pct-pill {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
}

/* ==========================================================================
   Capital Fund Flow Diagram Specific Styles
   ========================================================================== */
.flow-diagram-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 10px 0;
}

.flow-tier {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  position: relative;
}

.tier-badge {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.flow-nodes-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.flow-nodes-row.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.flow-node-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all 0.2s ease;
}
.flow-node-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
}

.flow-node-card.debt-node { border-left: 4px solid var(--color-red); }
.flow-node-card.seed-node { border-left: 4px solid var(--color-accent); }
.flow-node-card.gateway-node { border-left: 4px solid var(--ex-upbit); }
.flow-node-card.stock-node { border-left: 4px solid var(--ex-domestic); }

.node-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-primary);
}
.node-icon.upbit-icon { color: var(--ex-upbit); background: var(--ex-upbit-bg); }
.node-icon.stock-icon { color: var(--ex-domestic); background: var(--ex-domestic-bg); }

.node-info { flex: 1; }
.node-title { font-size: 12px; font-weight: 600; color: var(--text-secondary); }
.node-val { font-size: 16px; font-weight: 800; margin: 2px 0; }
.node-sub { font-size: 11px; color: var(--text-muted); }

.flow-cluster-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.cluster-title {
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}
.cluster-title.binance { color: var(--ex-binance); }
.cluster-title.bybit { color: var(--ex-bybit); }
.cluster-title.hyperliquid { color: var(--ex-hyperliquid); }

.cluster-item {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  padding: 4px 8px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 4px;
}
.cluster-item.short { color: #ffa3b8; }
.cluster-yield {
  font-size: 11.5px;
  color: var(--color-green);
  padding-top: 4px;
  border-top: 1px dashed var(--border-color);
}

.flow-arrow-down {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 0;
}
.flow-arrow-down.loop-return {
  color: var(--color-green);
  background: rgba(0, 240, 144, 0.05);
  border: 1px dashed rgba(0, 240, 144, 0.3);
  border-radius: var(--radius-sm);
  padding: 10px;
  margin-top: 4px;
}

/* ==========================================================================
   Enhanced Multi-Exchange & Multi-Account API Modal Styles
   ========================================================================== */
.modal-window.lg {
  max-width: 780px;
}

.modal-callout {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-sm);
  color: #bfdbfe;
  font-size: 12.5px;
  margin-bottom: 16px;
}

.api-category-nav {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

.api-cat-btn {
  padding: 7px 14px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.api-cat-btn.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.api-exchange-selector {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.api-ex-tab-pill {
  padding: 6px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.api-ex-tab-pill.active {
  border-color: var(--color-green);
  color: var(--color-green);
  background: rgba(0, 240, 144, 0.08);
}

.api-form-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
}

.account-selector-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.account-sel-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
}
.account-pills-group {
  display: flex;
  gap: 6px;
}
.acc-pill-btn {
  padding: 5px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
.acc-pill-btn.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.account-notice-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(0, 240, 144, 0.06);
  border-left: 3px solid var(--color-green);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  margin-bottom: 16px;
}

/* ==========================================================================
   Modals & Responsive
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.modal-backdrop.active { display: flex; }

.modal-window {
  background: var(--bg-surface);
  border: 1px solid var(--border-color-hover);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 600px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.modal-window.sm { max-width: 480px; }
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
}
.modal-header h2, .modal-header h3 { font-size: 16px; font-weight: 700; }
.close-modal {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
}
.close-modal:hover { color: #fff; }

.modal-body { padding: 24px; max-height: 70vh; overflow-y: auto; }
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.2);
}

/* Form Controls */
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 9px 12px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 13px;
}
.form-control:focus { outline: none; border-color: var(--color-accent); }
.input-hint { font-size: 11px; color: var(--text-muted); margin-top: 4px; display: block; }

.accounts-guide-list { display: flex; flex-direction: column; gap: 8px; font-size: 13px; }
.guide-item {
  padding: 8px 12px;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-accent);
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 2000;
}
.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  animation: slideIn 0.3s ease;
}
.toast.success { border-left: 3px solid var(--color-green); }
.toast.error { border-left: 3px solid var(--color-red); }
.toast.info { border-left: 3px solid var(--color-accent); }

@keyframes slideIn {
  from { transform: translateX(50px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Responsive */
@media (max-width: 1200px) {
  .overview-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-2col, .grid-4col, .flow-nodes-row.grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .overview-grid { grid-template-columns: 1fr; }
  .navbar { flex-wrap: wrap; gap: 12px; }
  .nav-controls { width: 100%; justify-content: space-between; }
}

/* ==========================================================================
   PIN Code Security Lock Screen Styles
   ========================================================================== */
body.is-locked #app {
  display: none !important;
}

.pin-lock-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  background: #080c14;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999999;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.35s;
  overflow-y: auto;
  touch-action: manipulation;
}

.pin-lock-overlay.unlocked {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.pin-lock-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 32px 28px;
  width: 100%;
  max-width: 380px;
  text-align: center;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.65), 0 0 30px rgba(0, 240, 144, 0.08);
  position: relative;
  transition: transform 0.25s ease;
}

.pin-lock-card.unlock-success {
  transform: scale(0.96);
  opacity: 0.8;
}

.pin-logo {
  margin-bottom: 16px;
  display: inline-block;
  animation: floatMascot 3s ease-in-out infinite alternate;
}

.pin-logo img {
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: block;
  margin: 0 auto;
}

@keyframes floatMascot {
  from { transform: translateY(0); }
  to { transform: translateY(-6px); }
}

.pin-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.pin-title .highlight {
  color: var(--color-green);
}

.pin-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.pin-dots-container {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
}

.pin-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.04);
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.pin-dot.filled {
  background: var(--color-green);
  border-color: var(--color-green);
  box-shadow: 0 0 14px rgba(0, 240, 144, 0.6);
  transform: scale(1.15);
}

.pin-error-msg {
  font-size: 12px;
  font-weight: 600;
  color: #f87171;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  margin-bottom: 16px;
}

.pin-hidden-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 1px;
  height: 1px;
}

.pin-keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.pin-key {
  height: 56px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 20px;
  font-weight: 700;
  font-family: var(--font-mono);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  user-select: none;
}

.pin-key:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.pin-key:active {
  transform: translateY(1px) scale(0.96);
  background: rgba(0, 240, 144, 0.15);
  border-color: var(--color-green);
}

.pin-key-fn {
  color: var(--text-muted);
  font-size: 16px;
}

.pin-key-fn:hover {
  color: var(--text-primary);
}

.pin-hint {
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-face-id {
  width: 100%;
  padding: 12px 16px;
  margin-bottom: 16px;
  background: rgba(0, 240, 144, 0.1);
  border: 1px solid rgba(0, 240, 144, 0.3);
  border-radius: var(--radius-md);
  color: var(--color-green);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.2s ease;
}

.btn-face-id:hover {
  background: rgba(0, 240, 144, 0.2);
  border-color: var(--color-green);
  transform: translateY(-2px);
  box-shadow: 0 0 15px rgba(0, 240, 144, 0.25);
}

.btn-face-id:active {
  transform: translateY(0);
}

@keyframes shakeCard {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-12px); }
  40%, 80% { transform: translateX(12px); }
}

.pin-lock-card.shake-anim {
  animation: shakeCard 0.45s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
  border-color: rgba(239, 68, 68, 0.6);
}