/* =========================================================
   Cross-Border Asset Manager — Design System & Styles
   ========================================================= */

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

/* --- CSS Variables --- */
:root {
  /* Backgrounds */
  --bg-root: #070b14;
  --bg-primary: #0d1120;
  --bg-secondary: #111827;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --bg-glass: rgba(255, 255, 255, 0.05);
  --bg-input: rgba(255, 255, 255, 0.06);
  --bg-modal: #141a2e;

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-card: rgba(255, 255, 255, 0.10);
  --border-focus: rgba(99, 140, 255, 0.6);
  --border-input: rgba(255, 255, 255, 0.12);

  /* Accent Colors */
  --accent-blue: #4f8aff;
  --accent-blue-dim: rgba(79, 138, 255, 0.15);
  --accent-purple: #8b5cf6;
  --accent-purple-dim: rgba(139, 92, 246, 0.15);
  --accent-green: #10d98a;
  --accent-green-dim: rgba(16, 217, 138, 0.15);
  --accent-red: #ff4d6a;
  --accent-red-dim: rgba(255, 77, 106, 0.15);
  --accent-gold: #f5b835;
  --accent-gold-dim: rgba(245, 184, 53, 0.15);
  --accent-teal: #14b8a6;
  --accent-cyan: #22d3ee;

  /* Text */
  --text-primary: #f0f4ff;
  --text-secondary: #8896b3;
  --text-muted: #4b5775;
  --text-accent: #4f8aff;

  /* Gradients */
  --grad-header: linear-gradient(135deg, #1a2744 0%, #0d1120 50%, #1a1035 100%);
  --grad-blue: linear-gradient(135deg, #4f8aff, #6c63ff);
  --grad-green: linear-gradient(135deg, #10d98a, #0ea5e9);
  --grad-purple: linear-gradient(135deg, #8b5cf6, #d946ef);
  --grad-gold: linear-gradient(135deg, #f5b835, #f97316);
  --grad-card: linear-gradient(135deg, rgba(79,138,255,0.08), rgba(139,92,246,0.04));

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow-blue: 0 0 24px rgba(79, 138, 255, 0.2);
  --shadow-glow-green: 0 0 24px rgba(16, 217, 138, 0.2);

  /* Sizes */
  --nav-height: 64px;
  --sidebar-width: 220px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4,0,0.2,1);
  --transition-normal: 250ms cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 400ms cubic-bezier(0.4,0,0.2,1);
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
  background: var(--bg-root);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* =========================================================
   LAYOUT
   ========================================================= */

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

/* --- Top Header --- */
.app-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header-brand .logo {
  width: 36px; height: 36px;
  background: var(--grad-blue);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}

.header-brand .brand-text h1 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

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

.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-btn .nav-icon { font-size: 16px; }

.nav-btn:hover {
  background: var(--bg-glass);
  color: var(--text-primary);
}

.nav-btn.active {
  background: var(--accent-blue-dim);
  color: var(--accent-blue);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.btn-lang {
  padding: 6px 14px;
  background: var(--bg-glass);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.5px;
}

.btn-lang:hover {
  background: var(--accent-blue-dim);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.btn-refresh {
  padding: 7px 14px;
  background: var(--grad-blue);
  border: none;
  color: white;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex; align-items: center; gap: 6px;
}

.btn-refresh:hover { opacity: 0.85; transform: translateY(-1px); }
.btn-refresh.loading { opacity: 0.6; pointer-events: none; }

.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 6px var(--accent-green);
  flex-shrink: 0;
}

.status-dot.disconnected { background: var(--accent-red); box-shadow: 0 0 6px var(--accent-red); }
.status-dot.checking {
  background: var(--accent-gold);
  box-shadow: 0 0 6px var(--accent-gold);
  animation: pulse-dot 0.8s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.75); }
}

/* --- Main Content --- */
.app-main {
  margin-top: var(--nav-height);
  flex: 1;
  padding: 28px 28px 40px;
  max-width: 1400px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}

/* --- Tab Pages --- */
.tab-page { display: none; animation: fadeIn var(--transition-normal) ease; }
.tab-page.active { display: block; }

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

/* =========================================================
   CARDS & GLASS COMPONENTS
   ========================================================= */

.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255,255,255,0.14);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.card-body { padding: 20px 24px; }

/* =========================================================
   DASHBOARD
   ========================================================= */

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.dashboard-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.dashboard-row.three-col {
  grid-template-columns: 1fr 1fr 1fr;
}

/* --- KPI Card --- */
.kpi-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  border-radius: 2px 2px 0 0;
}

.kpi-card.blue::before   { background: var(--grad-blue); }
.kpi-card.green::before  { background: var(--grad-green); }
.kpi-card.purple::before { background: var(--grad-purple); }
.kpi-card.gold::before   { background: var(--grad-gold); }

.kpi-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.kpi-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 12px;
}

.kpi-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 8px;
}

.kpi-value.positive { color: var(--accent-green); }
.kpi-value.negative { color: var(--accent-red); }

.kpi-sub {
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.kpi-change {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 20px;
}

.kpi-change.up { background: var(--accent-green-dim); color: var(--accent-green); }
.kpi-change.down { background: var(--accent-red-dim); color: var(--accent-red); }

.kpi-icon {
  position: absolute;
  top: 20px; right: 20px;
  font-size: 28px;
  opacity: 0.15;
}

/* --- Currency Switcher on KPI --- */
.currency-switch {
  display: flex;
  gap: 4px;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  padding: 3px;
}

.currency-switch button {
  padding: 4px 10px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  border-radius: 5px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.currency-switch button.active {
  background: var(--accent-blue);
  color: white;
}

/* --- Exchange Rate Mini Cards --- */
.fx-cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

.fx-card {
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.fx-card:hover {
  background: var(--accent-blue-dim);
  border-color: rgba(79,138,255,0.3);
  transform: translateY(-2px);
}

.fx-pair {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.fx-rate {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.fx-change {
  font-size: 11px;
  font-weight: 600;
  margin-top: 4px;
}

.fx-change.up { color: var(--accent-green); }
.fx-change.down { color: var(--accent-red); }

/* --- Chart Canvas --- */
.chart-container {
  position: relative;
  width: 100%;
}

canvas.chart { width: 100% !important; }

/* --- Distribution Legend --- */
.distribution-legend {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.legend-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.legend-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-label { font-size: 13px; color: var(--text-secondary); flex: 1; }
.legend-value { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.legend-pct { font-size: 11px; color: var(--text-muted); width: 36px; text-align: right; }

/* =========================================================
   ASSETS PAGE
   ========================================================= */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.page-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.region-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.region-tab {
  padding: 10px 20px;
  border: 1px solid var(--border-card);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex; align-items: center; gap: 8px;
}

.region-tab:hover { background: var(--bg-card-hover); color: var(--text-primary); }

.region-tab.active {
  background: var(--accent-blue-dim);
  border-color: rgba(79,138,255,0.4);
  color: var(--accent-blue);
}

.asset-section {
  margin-bottom: 28px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.section-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex; align-items: center; gap: 8px;
}

.section-total {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

/* --- Asset Table --- */
.asset-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-card);
}

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

.asset-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.asset-table td {
  padding: 14px 16px;
  font-size: 13px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
}

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

.asset-table tr:hover td { background: var(--bg-card-hover); }

.ticker-badge {
  display: inline-block;
  padding: 2px 8px;
  background: var(--accent-blue-dim);
  color: var(--accent-blue);
  font-size: 11px;
  font-weight: 700;
  border-radius: 5px;
  letter-spacing: 0.5px;
  font-family: 'Courier New', monospace;
}

.profit-positive { color: var(--accent-green); font-weight: 600; }
.profit-negative { color: var(--accent-red); font-weight: 600; }
.profit-neutral  { color: var(--text-secondary); }

.dca-badge {
  display: inline-block;
  padding: 2px 8px;
  background: var(--accent-purple-dim);
  color: var(--accent-purple);
  font-size: 11px;
  font-weight: 700;
  border-radius: 5px;
}

.action-btns {
  display: flex;
  gap: 6px;
}

.btn-icon {
  width: 30px; height: 30px;
  border: 1px solid var(--border-input);
  background: var(--bg-input);
  color: var(--text-secondary);
  border-radius: 7px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  transition: all var(--transition-fast);
}

.btn-icon:hover { background: var(--accent-blue-dim); border-color: var(--accent-blue); color: var(--accent-blue); }
.btn-icon.danger:hover { background: var(--accent-red-dim); border-color: var(--accent-red); color: var(--accent-red); }

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
  font-size: 13px;
}

.empty-state .empty-icon { font-size: 36px; margin-bottom: 12px; opacity: 0.5; }

/* =========================================================
   LIABILITIES & INCOME PAGE
   ========================================================= */

.liabilities-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.cashflow-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.cashflow-item {
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  text-align: center;
}

.cashflow-item .cf-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.cashflow-item .cf-value {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.cashflow-item.positive .cf-value { color: var(--accent-green); }
.cashflow-item.negative .cf-value { color: var(--accent-red); }

/* =========================================================
   EXCHANGE RATE PAGE
   ========================================================= */

.fx-page-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.fx-rate-cards-big {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

.fx-rate-card-big {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  text-align: center;
}

.fx-rate-card-big:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  background: var(--bg-card-hover);
}

.frc-pair { font-size: 12px; font-weight: 700; color: var(--text-secondary); letter-spacing: 1px; margin-bottom: 10px; }
.frc-rate { font-size: 26px; font-weight: 800; color: var(--text-primary); letter-spacing: -1px; }
.frc-change { font-size: 12px; font-weight: 600; margin-top: 4px; }
.frc-change.up { color: var(--accent-green); }
.frc-change.down { color: var(--accent-red); }
.frc-updated { font-size: 10px; color: var(--text-muted); margin-top: 6px; }

/* --- Rate Comparison Table --- */
.rate-comparison {
  margin-bottom: 24px;
}

.rate-comp-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}

.rate-comp-table th {
  padding: 10px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-bottom: 1px solid var(--border-subtle);
}

.rate-comp-table td {
  padding: 12px 14px;
  font-size: 13px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
}

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

.rate-input {
  width: 100px;
  padding: 6px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  transition: border-color var(--transition-fast);
}

.rate-input:focus {
  outline: none;
  border-color: var(--border-focus);
  background: rgba(79,138,255,0.06);
}

.source-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.source-badge.auto { background: var(--accent-green-dim); color: var(--accent-green); }
.source-badge.manual { background: var(--accent-gold-dim); color: var(--accent-gold); }

/* --- Calculator --- */
.calc-card {
  padding: 24px;
}

.calc-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.calc-input {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 18px;
  font-weight: 700;
  transition: border-color var(--transition-fast);
}

.calc-input:focus {
  outline: none;
  border-color: var(--border-focus);
}

.calc-select {
  padding: 12px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  padding-right: 28px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238896b3' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

.calc-select:focus { outline: none; border-color: var(--border-focus); }

.calc-arrow { color: var(--text-muted); font-size: 18px; }

.calc-result {
  padding: 16px 20px;
  background: var(--accent-blue-dim);
  border: 1px solid rgba(79,138,255,0.25);
  border-radius: var(--radius-md);
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.calc-result-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent-blue);
  letter-spacing: -1px;
}

.calc-result-label {
  font-size: 12px;
  color: var(--text-secondary);
}

/* =========================================================
   SETTINGS PAGE
   ========================================================= */

.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.settings-section {
  padding: 24px;
}

.settings-section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.settings-row:last-child { margin-bottom: 0; }

.settings-label {
  font-size: 13px;
  color: var(--text-primary);
  font-weight: 500;
}

.settings-label small {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* =========================================================
   BUTTONS
   ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad-blue);
  color: white;
  box-shadow: 0 2px 12px rgba(79,138,255,0.3);
}

.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(79,138,255,0.4); }

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

.btn-secondary:hover { background: var(--bg-card-hover); border-color: rgba(255,255,255,0.2); }

.btn-danger {
  background: var(--accent-red-dim);
  border: 1px solid rgba(255,77,106,0.3);
  color: var(--accent-red);
}

.btn-danger:hover { background: rgba(255,77,106,0.25); }

.btn-success {
  background: var(--accent-green-dim);
  border: 1px solid rgba(16,217,138,0.3);
  color: var(--accent-green);
}

.btn-success:hover { background: rgba(16,217,138,0.25); }

.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn-lg { padding: 14px 28px; font-size: 15px; }

/* =========================================================
   FORMS & INPUTS
   ========================================================= */

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 8px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 11px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  background: rgba(79,138,255,0.05);
}

.form-input::placeholder { color: var(--text-muted); }

.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238896b3' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

.form-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
  line-height: 1.5;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  margin-bottom: 18px;
}

.form-check input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--accent-blue);
  cursor: pointer;
}

.form-check label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
}

.dca-fields {
  padding: 16px;
  background: var(--accent-purple-dim);
  border: 1px solid rgba(139,92,246,0.2);
  border-radius: var(--radius-md);
  margin-top: -8px;
  display: none;
}

.dca-fields.visible { display: block; }

/* =========================================================
   MODAL
   ========================================================= */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-modal);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition-normal);
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
}

.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: 24px 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close {
  width: 32px; height: 32px;
  border: none;
  background: var(--bg-glass);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close:hover { background: var(--accent-red-dim); color: var(--accent-red); }

.modal-body { padding: 24px; }

.modal-footer {
  padding: 0 24px 24px;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* =========================================================
   TOAST NOTIFICATIONS
   ========================================================= */

.toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  color: white;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: all;
  animation: slideInRight 0.3s ease, fadeOut 0.3s ease 2.7s forwards;
  max-width: 320px;
}

.toast.success { background: linear-gradient(135deg, #10d98a, #059669); }
.toast.error   { background: linear-gradient(135deg, #ff4d6a, #dc2626); }
.toast.info    { background: linear-gradient(135deg, #4f8aff, #6c63ff); }

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

@keyframes fadeOut {
  from { opacity: 1; }
  to   { opacity: 0; pointer-events: none; }
}

/* =========================================================
   LOADING SKELETON
   ========================================================= */

.skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.05) 25%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0.05) 75%);
  background-size: 400% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
  display: inline-block;
}

@keyframes shimmer {
  0%   { background-position: 100% 50%; }
  100% { background-position: 0%   50%; }
}

/* =========================================================
   SWITCH TOGGLE
   ========================================================= */

.switch {
  position: relative;
  width: 44px; height: 24px;
  flex-shrink: 0;
}

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

.switch-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.switch-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 2px; top: 2px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.switch input:checked + .switch-slider { background: var(--accent-blue); border-color: var(--accent-blue); }
.switch input:checked + .switch-slider::before { transform: translateX(20px); background: white; }

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 1100px) {
  .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
  .fx-cards { grid-template-columns: repeat(3, 1fr); }
  .fx-page-grid { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-height: 56px; }

  .app-main { padding: 16px 16px 32px; }

  .header-brand .brand-text p { display: none; }
  .nav-btn .nav-text { display: none; }
  .nav-btn { padding: 8px 10px; }

  .dashboard-grid { grid-template-columns: 1fr; }
  .dashboard-row { grid-template-columns: 1fr; }
  .dashboard-row.three-col { grid-template-columns: 1fr; }
  .fx-cards { grid-template-columns: repeat(2, 1fr); }
  .fx-rate-cards-big { grid-template-columns: repeat(2, 1fr); }
  .liabilities-grid { grid-template-columns: 1fr; }
  .cashflow-summary { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
  .region-tabs { flex-wrap: wrap; }

  .kpi-value { font-size: 22px; }
  .frc-rate { font-size: 20px; }
}

@media (max-width: 480px) {
  .fx-cards { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .header-actions .btn-refresh span { display: none; }
}

/* =========================================================
   HERO GRADIENT BACKGROUND
   ========================================================= */

.bg-gradient-blob {
  position: fixed;
  pointer-events: none;
  z-index: 0;
}

.bg-gradient-blob:nth-child(1) {
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(79,138,255,0.08) 0%, transparent 70%);
}

.bg-gradient-blob:nth-child(2) {
  bottom: -200px; left: -200px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(139,92,246,0.07) 0%, transparent 70%);
}

/* =========================================================
   UTILITIES
   ========================================================= */

.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-muted  { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-green  { color: var(--accent-green); }
.text-red    { color: var(--accent-red); }
.text-gold   { color: var(--accent-gold); }
.text-blue   { color: var(--accent-blue); }

.fw-700 { font-weight: 700; }
.fw-800 { font-weight: 800; }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }

.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

.divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 20px 0;
}

.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.tag-blue   { background: var(--accent-blue-dim);   color: var(--accent-blue); }
.tag-green  { background: var(--accent-green-dim);  color: var(--accent-green); }
.tag-purple { background: var(--accent-purple-dim); color: var(--accent-purple); }
.tag-gold   { background: var(--accent-gold-dim);   color: var(--accent-gold); }
.tag-red    { background: var(--accent-red-dim);    color: var(--accent-red); }

/* =========================================================
   Multi-Tenant User Management & Onboarding Styles
   ========================================================= */

/* Header User Badge */
.user-badge-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.user-badge-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-blue);
  box-shadow: 0 0 12px rgba(79, 138, 255, 0.2);
}

.user-badge-avatar {
  font-size: 16px;
  line-height: 1;
}

.user-badge-name {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-badge-arrow {
  font-size: 10px;
  color: var(--text-muted);
}

/* User Cards Grid */
.user-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 12px;
  max-height: 320px;
  overflow-y: auto;
  padding-right: 4px;
}

.user-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.user-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

.user-card.active {
  background: var(--accent-blue-dim);
  border-color: var(--accent-blue);
  box-shadow: 0 0 16px rgba(79, 138, 255, 0.25);
}

.user-card-avatar {
  font-size: 28px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.user-card-info {
  flex: 1;
  min-width: 0;
}

.user-card-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-card-id {
  font-size: 11px;
  color: var(--text-muted);
  font-family: monospace;
}

.user-card-badge {
  font-size: 10px;
  padding: 2px 6px;
  background: var(--accent-blue);
  color: white;
  border-radius: var(--radius-full);
  font-weight: 600;
  position: absolute;
  top: 10px;
  right: 10px;
}

/* Avatar Picker */
.avatar-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.avatar-option {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-glass);
  border: 1px solid var(--border-card);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.avatar-option:hover {
  transform: scale(1.15);
  border-color: var(--accent-blue);
}

.avatar-option.active {
  background: var(--accent-blue-dim);
  border-color: var(--accent-blue);
  box-shadow: 0 0 10px var(--accent-blue);
  transform: scale(1.1);
}

/* Input Prefix Group */
.input-prefix-group {
  display: flex;
  align-items: center;
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.input-prefix {
  padding: 0 10px;
  color: var(--text-secondary);
  font-family: monospace;
  font-size: 13px;
  background: rgba(255, 255, 255, 0.04);
  border-right: 1px solid var(--border-input);
  user-select: none;
}

.input-prefix-group .form-input {
  border: none;
  background: transparent;
  border-radius: 0;
}