/* ==========================================================================
   STRATA — Universal Financial Terminal Design System
   Premium dark aesthetic inspired by the approved STRATA mobile Home screen.
   Black/charcoal backgrounds, orange primary accent, green/red financial
   indicators, rounded cards, sophisticated borders.
   ========================================================================== */

/* --- Design Tokens --- */
:root {
  /* --- Palette (Premium Dark Terminal) --- */
  --color-bg-app: #050507;
  --color-bg-shell: #0a0a0e;
  --color-bg-panel: #111118;
  --color-bg-panel-elev: #16161e;
  --color-bg-surface: #1a1a23;
  --color-bg-hover: #22222c;
  --color-bg-active: #2a2a36;
  --color-bg-selected: rgba(245, 158, 11, 0.10);

  --color-border-subtle: #1f1f29;
  --color-border-medium: #2a2a36;
  --color-border-strong: #3a3a46;
  --color-border-focus: #f59e0b;

  --color-text-primary: #f3f4f6;
  --color-text-secondary: #9ca3af;
  --color-text-muted: #6b7280;
  --color-text-inverse: #050507;

  --color-brand: #f59e0b;        /* Orange primary accent */
  --color-brand-hover: #fb923c;
  --color-brand-subtle: rgba(245, 158, 11, 0.12);

  --color-positive: #10b981;     /* Emerald green */
  --color-positive-subtle: rgba(16, 185, 129, 0.12);
  --color-negative: #ef4444;     /* Red */
  --color-negative-subtle: rgba(239, 68, 68, 0.12);
  --color-warning: #f59e0b;
  --color-warning-subtle: rgba(245, 158, 11, 0.12);
  --color-info: #38bdf8;
  --color-info-subtle: rgba(56, 189, 248, 0.12);

  /* --- Gradients --- */
  --gradient-primary: linear-gradient(135deg, #111827 0%, #050507 100%);
  --gradient-panel: linear-gradient(180deg, #16161e 0%, #111118 100%);
  --gradient-banner: linear-gradient(135deg, rgba(245,158,11,0.15) 0%, rgba(16,185,129,0.08) 100%);

  /* --- Typography --- */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", "SF Mono", "Fira Code", Consolas, monospace;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 13px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 32px;
  --line-height-tight: 1.2;
  --line-height-base: 1.5;
  --line-height-relaxed: 1.75;

  /* --- 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;

  /* --- Layout --- */
  --header-height: 56px;
  --nav-width: 260px;
  --nav-width-collapsed: 72px;
  --mobile-nav-height: 76px;
  --mobile-header-height: 56px;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 16px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.6);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.6), 0 2px 4px -2px rgb(0 0 0 / 0.5);
  --shadow-lg: 0 10px 24px -4px rgb(0 0 0 / 0.7);

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

/* --- Light theme override --- */
[data-theme="light"] {
  --color-bg-app: #f8fafc;
  --color-bg-shell: #f1f5f9;
  --color-bg-panel: #ffffff;
  --color-bg-panel-elev: #ffffff;
  --color-bg-surface: #f3f4f6;
  --color-bg-hover: #e2e8f0;
  --color-bg-active: #cbd5e1;
  --color-bg-selected: rgba(245, 158, 11, 0.10);

  --color-border-subtle: #e2e8f0;
  --color-border-medium: #cbd5e1;
  --color-border-strong: #94a3b8;
  --color-border-focus: #f59e0b;

  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted: #64748b;
  --color-text-inverse: #ffffff;

  --color-brand: #f59e0b;
  --color-brand-hover: #d97706;
  --color-brand-subtle: rgba(245, 158, 11, 0.12);

  --color-positive: #059669;
  --color-positive-subtle: rgba(5, 150, 105, 0.12);
  --color-negative: #dc2626;
  --color-negative-subtle: rgba(220, 38, 38, 0.12);
  --color-warning: #d97706;
  --color-warning-subtle: rgba(217, 119, 6, 0.12);
  --color-info: #0ea5e9;
  --color-info-subtle: rgba(14, 165, 233, 0.12);

  --gradient-primary: linear-gradient(135deg, #f1f5f9 0%, #f8fafc 100%);
  --gradient-panel: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  --gradient-banner: linear-gradient(135deg, rgba(245,158,11,0.10) 0%, rgba(5,150,105,0.06) 100%);

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.04);
  --shadow-lg: 0 10px 24px -4px rgb(0 0 0 / 0.08);
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: var(--font-size-base); -webkit-tap-highlight-color: transparent; }
body {
  width: 100%; height: 100vh;
  background: var(--color-bg-app);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-brand); text-decoration: none; }
a:hover { text-decoration: underline; opacity: 0.9; }
button { font-family: inherit; font-size: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }
::selection { background: var(--color-brand); color: var(--color-text-inverse); }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border-medium); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-border-strong); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); border: 0; white-space: nowrap;
}
.tabular-nums { font-variant-numeric: tabular-nums; font-family: var(--font-mono); }

/* ==========================================================================
   Application Shell — Column Layout
   ========================================================================== */
#app-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  background: var(--color-bg-app);
}

/* --- Header (full width, top) --- */
.strata-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-height);
  background: var(--color-bg-shell);
  border-bottom: 1px solid var(--color-border-medium);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--space-4);
  flex-shrink: 0;
}
.header-left { display: flex; align-items: center; gap: var(--space-3); flex: 1; min-width: 0; }
.header-right { display: flex; align-items: center; gap: var(--space-2); }

.brand-mark { display: flex; align-items: center; gap: var(--space-2); text-decoration: none; font-weight: 800; font-size: var(--font-size-lg); letter-spacing: -0.02em; white-space: nowrap; }
.brand-name { color: var(--color-text-primary); }
.brand-descriptor { font-size: var(--font-size-xs); color: var(--color-text-muted); font-weight: 500; }

.global-search-trigger {
  display: flex; align-items: center; gap: var(--space-2);
  background: var(--color-bg-panel); border: 1px solid var(--color-border-medium);
  border-radius: var(--border-radius-lg); padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-sm); color: var(--color-text-secondary); cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}
.global-search-trigger:hover { border-color: var(--color-border-strong); color: var(--color-text-primary); background: var(--color-bg-hover); }
.global-search-trigger:focus-within, .global-search-trigger.focused { border-color: var(--color-brand); box-shadow: 0 0 0 3px rgba(245,158,11,0.15); }
.kbd-shortcut { font-size: 10px; background: var(--color-bg-surface); border: 1px solid var(--color-border-medium); border-radius: 4px; padding: 1px 6px; color: var(--color-text-muted); font-family: var(--font-mono); }

/* Status badges */
.badge {
  display: inline-flex; align-items: center; gap: var(--space-1);
  font-size: var(--font-size-xs); font-weight: 700; padding: 2px 8px; border-radius: 10px; height: 20px;
}
.badge-real { background: var(--color-positive-subtle); color: var(--color-positive); border: 1px solid rgba(16,185,129,0.35); }
.badge-demo { background: var(--color-info-subtle); color: var(--color-info); border: 1px solid rgba(56,189,248,0.35); }
.badge-negative { background: var(--color-negative-subtle); color: var(--color-negative); border: 1px solid rgba(239,68,68,0.35); }
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  border: 1px solid transparent; border-radius: var(--border-radius-lg);
  font-size: var(--font-size-sm); font-weight: 700; padding: 0 var(--space-4); height: 40px;
  transition: all var(--transition-fast); cursor: pointer; white-space: nowrap;
}
.btn-sm { height: 32px; padding: 0 var(--space-3); font-size: var(--font-size-xs); font-weight: 600; }
.btn-primary { background: var(--color-brand); color: var(--color-text-inverse); box-shadow: 0 0 0 1px rgba(245,158,11,0.2); }
.btn-primary:hover { background: var(--color-brand-hover); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn-primary:active { transform: translateY(0); }
.btn-secondary { background: var(--color-bg-panel); color: var(--color-text-primary); border: 1px solid var(--color-border-medium); }
.btn-secondary:hover { background: var(--color-bg-hover); border-color: var(--color-border-strong); }
.btn-icon { width: 40px; height: 40px; padding: 0; border: 1px solid var(--color-border-medium); background: var(--color-bg-panel); border-radius: var(--border-radius-lg); color: var(--color-text-secondary); display:inline-flex; align-items:center; justify-content:center; }
.btn-icon:hover { border-color: var(--color-border-strong); color: var(--color-text-primary); background: var(--color-bg-hover); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* --- Shell Body: Sidebar + Workspace row --- */
.shell-body {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* --- Sidebar Navigation --- */
.strata-nav {
  position: relative;
  width: var(--nav-width);
  max-width: var(--nav-width);
  background: var(--color-bg-shell);
  border-right: 1px solid var(--color-border-medium);
  display: flex; flex-direction: column;
  flex-shrink: 0;
  z-index: 40;
  transition: width var(--transition-base), transform var(--transition-base);
}
.strata-nav.collapsed { width: var(--nav-width-collapsed); max-width: var(--nav-width-collapsed); }

.nav-brand {
  height: var(--header-height);
  border-bottom: 1px solid var(--color-border-medium);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--space-4);
  flex-shrink: 0;
  background: var(--color-bg-shell);
}
.nav-brand .brand-name { font-size: var(--font-size-lg); }
.nav-brand-toggle { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; color: var(--color-text-muted); border: none; background: transparent; cursor: pointer; }

.nav-scroll { overflow-y: auto; flex: 1; }

.nav-section { padding: var(--space-3) var(--space-4); }
.nav-section-title {
  font-size: var(--font-size-xs); font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--color-text-muted); padding: 0 var(--space-2) var(--space-2); margin-bottom: var(--space-2);
}

.nav-list { list-style: none; }
.nav-item {
  position: relative; display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-4); border-radius: var(--border-radius-lg);
  color: var(--color-text-secondary); font-size: var(--font-size-sm); font-weight: 600;
  text-decoration: none; transition: all var(--transition-fast);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.nav-item .nav-icon { font-size: var(--font-size-md); width: 24px; text-align: center; }
.nav-item:hover { background: var(--color-bg-hover); color: var(--color-text-primary); }
.nav-item.active {
  background: var(--color-bg-selected);
  color: var(--color-brand);
  box-shadow: inset -3px 0 0 var(--color-brand);
}
.nav-item.active .nav-icon { color: var(--color-brand); }
.nav-item .nav-count {
  margin-left: auto; font-size: var(--font-size-xs); font-family: var(--font-mono);
  background: var(--color-bg-surface); border: 1px solid var(--color-border-medium);
  color: var(--color-text-muted); padding: 1px 6px; border-radius: 10px;
}

.nav-divider { height: 1px; background: var(--color-border-subtle); margin: var(--space-3) 0; }

.nav-footer { padding: var(--space-3) var(--space-4); border-top: 1px solid var(--color-border-medium); flex-shrink: 0; }
.nav-footer-item { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-2) var(--space-4); border-radius: var(--border-radius-lg); color: var(--color-text-muted); font-size: var(--font-size-sm); }

/* --- Workspace --- */
.strata-workspace {
  flex: 1; display: flex; flex-direction: column; min-width: 0;
  overflow: hidden;
}
.page-view { display: none; height: 100%; overflow-y: auto; padding: var(--space-4) var(--space-6); }
.page-view.active { display: block; }

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1023px) {
  .strata-nav { position: absolute; left: 0; top: var(--header-height); bottom: 0; z-index: 50; transform: translateX(-100%); box-shadow: var(--shadow-lg); }
  .strata-nav.open { transform: translateX(0); }
  .strata-workspace { margin-left: 0; width: 100%; }
  .nav-collapse-overlay { display: none; position: fixed; inset: 0; background: rgb(5 5 7 / 0.6); z-index: 45; backdrop-filter: blur(4px); }
  .nav-collapse-overlay.open { display: block; }
  .mobile-bottom-nav { display: none; }
  .mobile-drawer { display: none; }
  .page-view { padding: var(--space-4) var(--space-4) calc(var(--space-4) + var(--mobile-nav-height)) var(--space-4); }
}

@media (max-width: 767px) {
  .strata-nav { position: absolute; left: 0; top: var(--header-height); bottom: 0; z-index: 50; transform: translateX(-100%); box-shadow: var(--shadow-lg); }
  .strata-nav.open { transform: translateX(0); }
  .strata-workspace { margin-left: 0; width: 100%; }
  .nav-collapse-overlay { display: none; position: fixed; inset: 0; background: rgb(5 5 7 / 0.6); z-index: 45; backdrop-filter: blur(4px); }
  .nav-collapse-overlay.open { display: block; }

  .strata-header { padding: 0 var(--space-3); height: var(--mobile-header-height); }
  .header-left { gap: var(--space-2); }
  .brand-descriptor { display: none; }
  .global-search-trigger { display: none; }
  .header-right { gap: var(--space-1); }

  .mobile-bottom-nav {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    display: flex;
    justify-content: space-around;
    height: var(--mobile-nav-height);
    background: var(--color-bg-shell);
    border-top: 1px solid var(--color-border-medium);
    z-index: 60;
    flex-shrink: 0;
  }
  .mobile-nav-item {
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    font-size: 10px; font-weight: 700; color: var(--color-text-muted);
    text-decoration: none; padding: 8px 4px; min-width: 0;
  }
  .mobile-nav-item.active { color: var(--color-brand); }

  .mobile-drawer {
    position: fixed; inset: 0; z-index: 70;
    display: none; flex-direction: column;
    background: var(--color-bg-panel);
  }
  .mobile-drawer.open { display: flex; }
  .mobile-drawer-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border-medium);
    background: var(--color-bg-shell);
  }
  .mobile-drawer-list { flex: 1; overflow-y: auto; }
  .drawer-item {
    display: flex; align-items: center; gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: var(--color-text-secondary);
    text-decoration: none; font-size: var(--font-size-sm); font-weight: 600;
    border-left: 3px solid transparent;
  }
  .drawer-item:hover { background: var(--color-bg-hover); color: var(--color-text-primary); }
  .drawer-divider { height: 1px; background: var(--color-border-subtle); margin: var(--space-2) 0; }
  .drawer-item.text-negative { color: var(--color-negative); }

  .page-view { padding: var(--space-3) var(--space-3) calc(var(--space-3) + var(--mobile-nav-height)) var(--space-3); }
  .page-header { margin-bottom: var(--space-3); }
  .panel { border-radius: var(--border-radius-lg); }

  .balance-grid { grid-template-columns: 1fr; gap: var(--space-3); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: var(--space-3); }

  .strata-table { font-size: var(--font-size-xs); }
  .strata-table th, .strata-table td { padding: var(--space-2) var(--space-2); white-space: nowrap; }

  #view-profile > div:nth-child(2) { display: flex; flex-direction: column; height: auto; min-height: 0; }
  #view-profile > div:nth-child(2) > nav { display: none; }
  #view-profile > div:nth-child(2) > div { flex: 1; overflow-y: auto; padding: 0; }

  .mobile-bottom-nav { padding-bottom: env(safe-area-inset-bottom); }
  .page-view { padding-bottom: calc(var(--space-3) + var(--mobile-nav-height) + env(safe-area-inset-bottom)); }
}

@media (max-width: 767px) and (orientation: landscape) {
  .mobile-bottom-nav { height: 56px; }
  .page-view { padding-bottom: calc(var(--space-3) + 56px + env(safe-area-inset-bottom)); }
  .balance-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) and (max-width: 1279px) {
  .strata-nav { width: 220px; max-width: 220px; }
  .nav-item { font-size: var(--font-size-xs); padding: var(--space-2) var(--space-3); }
}

button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ==========================================================================
   Page Header & Layout Components
   ========================================================================== */
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-5); flex-wrap: wrap; gap: var(--space-3); }
.page-header-left { display: flex; flex-direction: column; gap: var(--space-1); }
.page-title { font-size: var(--font-size-2xl); font-weight: 800; letter-spacing: -0.02em; color: var(--color-text-primary); }
.page-subtitle { font-size: var(--font-size-sm); color: var(--color-text-secondary); }
.page-actions { display: flex; gap: var(--space-2); }

/* Panels & Cards — premium rounded style */
.panel {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-4); border-bottom: 1px solid var(--color-border-subtle);
  background: var(--color-bg-panel);
}
.panel-title { font-size: var(--font-size-md); font-weight: 800; color: var(--color-text-primary); }
.panel-body { padding: var(--space-4); }
.panel-footer { padding: var(--space-4); border-top: 1px solid var(--color-border-subtle); background: var(--color-bg-panel); }

.card {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--border-radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}

/* Stat boxes */
.stat-box { background: var(--color-bg-panel-elev); border: 1px solid var(--color-border-medium); border-radius: var(--border-radius-lg); padding: var(--space-3) var(--space-4); box-shadow: var(--shadow-sm); }
.stat-label { font-size: var(--font-size-xs); font-weight: 800; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--space-1); display: block; }
.stat-value { font-size: var(--font-size-3xl); font-weight: 800; font-variant-numeric: tabular-nums; font-family: var(--font-mono); color: var(--color-text-primary); }
.stat-sub { font-size: var(--font-size-xs); color: var(--color-text-secondary); margin-top: var(--space-1); display: block; }

/* Grid layouts */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }

/* Tables — premium financial table */
.strata-table { width: 100%; border-collapse: collapse; font-size: var(--font-size-sm); }
.strata-table th { text-align: left; font-size: var(--font-size-xs); font-weight: 800; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.08em; padding: var(--space-2) var(--space-3); border-bottom: 1px solid var(--color-border-medium); }
.strata-table td { padding: var(--space-2) var(--space-3); border-bottom: 1px solid var(--color-border-subtle); color: var(--color-text-secondary); vertical-align: middle; }
.strata-table tr:hover td { background: var(--color-bg-hover); }

/* Badges / pills */
.pill { display: inline-flex; align-items: center; font-size: var(--font-size-xs); font-weight: 800; padding: 2px 10px; border-radius: 10px; height: 22px; letter-spacing: 0.04em; }
.pill-positive { background: var(--color-positive-subtle); color: var(--color-positive); border: 1px solid rgba(16,185,129,0.3); }
.pill-negative { background: var(--color-negative-subtle); color: var(--color-negative); border: 1px solid rgba(239,68,68,0.3); }
.pill-neutral { background: var(--color-bg-surface); color: var(--color-text-secondary); border: 1px solid var(--color-border-medium); }
.pill-info { background: var(--color-info-subtle); color: var(--color-info); border: 1px solid rgba(56,189,248,0.3); }

/* Forms */
.form-group { margin-bottom: var(--space-3); }
.form-label { font-size: var(--font-size-xs); font-weight: 800; color: var(--color-text-muted); margin-bottom: var(--space-1); display: block; text-transform: uppercase; letter-spacing: 0.08em; }
.form-control {
  width: 100%; background: var(--color-bg-surface); border: 1px solid var(--color-border-medium);
  color: var(--color-text-primary); border-radius: var(--border-radius-lg); padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm); font-family: inherit;
}
.form-control:focus { outline: none; border-color: var(--color-brand); box-shadow: 0 0 0 3px rgba(245,158,11,0.15); }
.form-control::placeholder { color: var(--color-text-muted); }

select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%239ca3af'%3e%3cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3e%3c/svg%3e"); background-repeat: no-repeat; background-position: right var(--space-3) center; background-size: 16px; padding-right: 2rem; }
textarea.form-control { min-height: 96px; resize: vertical; }

/* Switch */
.strata-switch { position: relative; display: inline-block; width: 48px; height: 26px; }
.strata-switch input { opacity: 0; width: 0; height: 0; }
.strata-slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background: var(--color-border-medium); border-radius: 26px; transition: var(--transition-fast); }
.strata-slider:before { position: absolute; content: ""; height: 20px; width: 20px; left: 3px; bottom: 3px; background: var(--color-text-primary); border-radius: 50%; transition: var(--transition-fast); }
input:checked + .strata-slider { background: var(--color-brand); }
input:checked + .strata-slider:before { transform: translateX(22px); }

/* Empty & Loading states */
.empty-state, .loading-state { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 260px; text-align: center; color: var(--color-text-muted); padding: var(--space-6); }
.empty-state .icon, .loading-state .icon { font-size: 56px; margin-bottom: var(--space-3); opacity: 0.4; }
.empty-state h3, .loading-state h3 { font-size: var(--font-size-lg); font-weight: 800; color: var(--color-text-secondary); margin-bottom: var(--space-1); }
.empty-state p, .loading-state p { font-size: var(--font-size-sm); max-width: 280px; line-height: var(--line-height-relaxed); }

.loading-spinner { width: 32px; height: 32px; border: 3px solid var(--color-border-medium); border-top-color: var(--color-brand); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Text colors */
.text-positive { color: var(--color-positive); }
.text-negative { color: var(--color-negative); }
.text-warning { color: var(--color-warning); }
.text-info { color: var(--color-info); }
.text-muted { color: var(--color-text-muted); }

/* Alerts */
.alert { padding: var(--space-3) var(--space-4); border-radius: var(--border-radius-lg); margin-bottom: var(--space-3); font-size: var(--font-size-sm); display: flex; align-items: flex-start; gap: var(--space-2); border: 1px solid transparent; }
.alert-info { background: var(--color-info-subtle); border: 1px solid rgba(56,189,248,0.3); color: var(--color-text-primary); }
.alert-negative { background: var(--color-negative-subtle); border: 1px solid rgba(239,68,68,0.3); color: var(--color-text-primary); }
.alert-warning { background: var(--color-warning-subtle); border: 1px solid rgba(245,158,11,0.3); color: var(--color-text-primary); }

/* ==========================================================================
   Home Dashboard Components (Premium)
   ========================================================================== */
.balance-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); margin-bottom: var(--space-4); }
.balance-card {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--border-radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}
.balance-label { font-size: var(--font-size-xs); font-weight: 800; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--space-1); display: block; }
.balance-value { font-size: var(--font-size-3xl); font-weight: 800; font-variant-numeric: tabular-nums; font-family: var(--font-mono); color: var(--color-text-primary); margin-bottom: var(--space-1); }
.balance-sub { font-size: var(--font-size-xs); color: var(--color-text-secondary); margin-top: var(--space-1); display: block; }

/* Action chips grid */
.action-chips { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); margin-bottom: var(--space-4); }
.action-chip {
  display: flex; align-items: center; gap: var(--space-3);
  background: var(--color-bg-panel); border: 1px solid var(--color-border-medium);
  border-radius: var(--border-radius-lg); padding: var(--space-3) var(--space-4);
  text-decoration: none; color: var(--color-text-primary);
  transition: all var(--transition-fast); box-shadow: var(--shadow-sm);
}
.action-chip:hover { border-color: var(--color-brand); background: var(--color-bg-hover); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.action-chip .chip-icon { width: 44px; height: 44px; border-radius: var(--border-radius-lg); background: var(--color-bg-surface); border: 1px solid var(--color-border-medium); display: inline-flex; align-items: center; justify-content: center; font-size: 20px; color: var(--color-text-secondary); }
.action-chip .chip-info { flex: 1; }
.action-chip .chip-title { font-size: var(--font-size-md); font-weight: 800; color: var(--color-text-primary); margin-bottom: 2px; }
.action-chip .chip-desc { font-size: var(--font-size-xs); color: var(--color-text-muted); }

/* Banner card */
.banner-card {
  background: var(--gradient-banner);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--border-radius-lg);
  padding: var(--space-5) var(--space-6);
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-sm);
  display: flex; align-items: center; gap: var(--space-4);
}
.banner-card .banner-visual { width: 96px; height: 96px; border-radius: var(--border-radius-lg); background: var(--color-bg-surface); border: 1px solid var(--color-border-medium); flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; font-size: 32px; color: var(--color-brand); }
.banner-card .banner-content { flex: 1; }
.banner-card .banner-title { font-size: var(--font-size-lg); font-weight: 900; color: var(--color-text-primary); margin-bottom: var(--space-1); }
.banner-card .banner-desc { font-size: var(--font-size-sm); color: var(--color-text-secondary); line-height: 1.5; }
.banner-card .banner-arrow { font-size: 20px; color: var(--color-brand); font-weight: 900; }

/* Period selector */
.period-selector { display: flex; gap: var(--space-2); margin-bottom: var(--space-4); flex-wrap: wrap; }
.period-btn {
  display: inline-flex; align-items: center; gap: var(--space-1);
  background: var(--color-bg-surface); border: 1px solid var(--color-border-medium);
  color: var(--color-text-secondary); font-size: var(--font-size-sm); font-weight: 700;
  padding: var(--space-1) var(--space-3); border-radius: 20px; cursor: pointer;
  transition: all var(--transition-fast);
}
.period-btn:hover { border-color: var(--color-border-strong); color: var(--color-text-primary); }
.period-btn.active { background: var(--color-brand); color: var(--color-text-inverse); border-color: var(--color-brand); }

/* Strategy performance cards */
.perf-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); margin-bottom: var(--space-4); }
.perf-card {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--border-radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
  display: flex; align-items: center; gap: var(--space-3);
}
.perf-card .perf-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--color-bg-surface); border: 1px solid var(--color-border-medium); display: inline-flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.perf-card .perf-info { flex: 1; }
.perf-card .perf-name { font-size: var(--font-size-md); font-weight: 800; color: var(--color-text-primary); margin-bottom: var(--space-1); }
.perf-card .perf-value { font-size: var(--font-size-lg); font-weight: 900; font-variant-numeric: tabular-nums; font-family: var(--font-mono); color: var(--color-positive); }
.perf-card.mean-rev .perf-icon { color: var(--color-positive); border-color: rgba(16,185,129,0.3); }
.perf-card.trend-follow .perf-icon { color: var(--color-info); border-color: rgba(56,189,248,0.3); }
.perf-card.multi-asset .perf-icon { color: var(--color-brand); border-color: rgba(245,158,11,0.3); }

/* Positions preview table */
.positions-preview { width: 100%; font-size: var(--font-size-sm); }

/* Watchlist row */
.watchlist-row {
  display: flex; align-items: center; gap: var(--space-3);
  background: var(--color-bg-panel); border: 1px solid var(--color-border-medium);
  border-radius: var(--border-radius-lg); padding: var(--space-3);
  margin-bottom: var(--space-2);
  transition: all var(--transition-fast);
}
.watchlist-row:hover { border-color: var(--color-brand); background: var(--color-bg-hover); }
.watchlist-row .wl-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--color-bg-surface); border: 1px solid var(--color-border-medium); display: inline-flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.watchlist-row .wl-info { flex: 1; min-width: 0; }
.watchlist-row .wl-symbol { font-size: var(--font-size-md); font-weight: 800; color: var(--color-text-primary); margin-bottom: 2px; }
.watchlist-row .wl-name { font-size: var(--font-size-xs); color: var(--color-text-muted); margin-bottom: var(--space-1); }
.watchlist-row .wl-price { font-variant-numeric: tabular-nums; font-family: var(--font-mono); font-weight: 800; color: var(--color-text-primary); margin-right: var(--space-3); }
.watchlist-row .wl-change { font-variant-numeric: tabular-nums; font-family: var(--font-mono); font-weight: 800; }

/* Strategy card */
.strategy-card {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--border-radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-3);
  box-shadow: var(--shadow-sm);
}
.strategy-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-2); }
.strategy-card .strategy-name { font-size: var(--font-size-lg); font-weight: 800; color: var(--color-text-primary); }
.strategy-card .strategy-status { font-size: var(--font-size-xs); font-weight: 800; }
.strategy-card-metrics { display: flex; gap: var(--space-3); margin-bottom: var(--space-3); font-size: var(--font-size-xs); }
.strategy-card .metric { color: var(--color-text-muted); }
.strategy-card .metric .val { color: var(--color-text-primary); font-weight: 800; font-variant-numeric: tabular-nums; font-family: var(--font-mono); }

/* News item */
.news-item { padding: var(--space-3) 0; border-bottom: 1px solid var(--color-border-subtle); font-size: var(--font-size-sm); }
.news-item:last-child { border-bottom: none; }
.news-headline { font-weight: 800; color: var(--color-text-primary); margin-bottom: var(--space-1); }
.news-meta { display: flex; gap: var(--space-3); font-size: var(--font-size-xs); color: var(--color-text-muted); margin-bottom: var(--space-1); }
.news-tags { display: flex; gap: var(--space-1); }
.news-tag { font-size: 10px; font-weight: 800; padding: 1px 6px; border-radius: 4px; text-transform: uppercase; letter-spacing: 0.05em; }
.news-tag-high { background: var(--color-negative-subtle); color: var(--color-negative); }
.news-tag-medium { background: var(--color-warning-subtle); color: var(--color-warning); }
.news-tag-low { background: var(--color-positive-subtle); color: var(--color-positive); }

/* Calendar event */
.calendar-event { font-size: var(--font-size-xs); padding: 3px 6px; border-radius: 4px; margin: 1px 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cal-high { background: var(--color-negative); color: #fff; }
.cal-medium { background: var(--color-warning); color: #fff; }
.cal-low { background: var(--color-positive); color: #fff; }

/* User menu / dropdown */
.user-menu { position: relative; display: inline-block; }
.user-menu-btn { display: flex; align-items: center; gap: var(--space-2); cursor: pointer; padding: var(--space-1) var(--space-2); border-radius: var(--border-radius-lg); }
.user-menu-btn:hover { background: var(--color-bg-hover); }
.user-avatar { width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--color-border-medium); object-fit: cover; }
.user-menu-panel {
  position: absolute; right: 0; top: calc(100% + var(--space-1));
  width: 260px; background: var(--color-bg-panel); border: 1px solid var(--color-border-medium);
  border-radius: var(--border-radius-lg); box-shadow: var(--shadow-lg);
  display: none; flex-direction: column; z-index: 60;
}
.user-menu.open .user-menu-panel { display: flex; }
.user-menu-panel-header { padding: var(--space-3); border-bottom: 1px solid var(--color-border-subtle); background: var(--color-bg-shell); }
.user-menu-item { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-2) var(--space-3); color: var(--color-text-secondary); font-size: var(--font-size-sm); font-weight: 600; cursor: pointer; }
.user-menu-item:hover { background: var(--color-bg-hover); color: var(--color-text-primary); }
.user-menu-divider { height: 1px; background: var(--color-border-subtle); margin: var(--space-1) 0; }