/* ─────────────────────────────────────────────────────────────────────────────
   Meridian Assets Market Accounts - App Shell
   Extends /assets/css/main.css (tokens, buttons, cards, badges, market-table).
   This file only adds the authenticated-app-specific layout: sidebar, topbar,
   dashboard panels, trader cards, and the auth (login/register) screens.
   ───────────────────────────────────────────────────────────────────────────── */

:root {
  --sidebar-width: 260px;
  --sidebar-width-collapsed: 76px;
  --topbar-height: 64px;
}

html, body { overflow-x: hidden; }
body.app-body { padding-top: 0; background: var(--bg-base); }

/* ─── App Shell ──────────────────────────────────────────────────────────── */
.app-shell { display: flex; min-height: 100vh; }

/* ─── Sidebar ────────────────────────────────────────────────────────────── */
.app-sidebar {
  position: fixed; top: 0; left: 0; bottom: 0;
  width: var(--sidebar-width);
  display: flex; flex-direction: column;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-hairline);
  z-index: var(--z-sticky);
  transition: transform var(--duration-base) var(--ease-standard), width var(--duration-base) var(--ease-standard);
}

.sidebar-brand {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--topbar-height); flex-shrink: 0;
  padding: 0 var(--space-5);
  border-bottom: 1px solid var(--border-hairline);
}
.sidebar-brand-link { display: flex; align-items: center; gap: var(--space-2); text-decoration: none; overflow: hidden; }
.sidebar-collapse-btn {
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; flex-shrink: 0;
  background: transparent; border: 1px solid var(--border-default); border-radius: var(--radius-md);
  color: var(--text-secondary); cursor: pointer;
  transition: background var(--duration-fast), color var(--duration-fast);
}
.sidebar-collapse-btn:hover { background: var(--bg-elevated); color: var(--text-primary); }

.sidebar-nav { flex: 1; overflow-y: auto; padding: var(--space-4) var(--space-3); }
.sidebar-section-label {
  font-size: .6875rem; font-weight: 600; color: var(--text-tertiary);
  letter-spacing: .10em; text-transform: uppercase;
  padding: var(--space-4) var(--space-3) var(--space-2);
}
.sidebar-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }

.sidebar-link {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-md);
  color: var(--text-secondary); text-decoration: none;
  font-size: .875rem; font-weight: 500;
  border-left: 2px solid transparent;
  transition: background var(--duration-fast), color var(--duration-fast), border-color var(--duration-fast);
  white-space: nowrap;
}
.sidebar-link:hover { background: var(--bg-elevated); color: var(--text-primary); }
.sidebar-link.active { background: var(--accent-alpha-10); color: var(--accent-400); border-left-color: var(--accent-600); }
.sidebar-icon { width: 18px; height: 18px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.sidebar-label { flex: 1; overflow: hidden; text-overflow: ellipsis; }
.sidebar-badge {
  font-family: var(--font-mono); font-size: .625rem; font-weight: 600;
  padding: 1px 6px; border-radius: var(--radius-full);
  background: var(--accent-alpha-10); color: var(--accent-400); border: 1px solid var(--accent-alpha-20);
}

/* Expandable group ("Trading") */
.sidebar-group > .sidebar-link { cursor: pointer; }
.sidebar-group-caret { margin-left: auto; flex-shrink: 0; transition: transform var(--duration-base) var(--ease-standard); color: var(--text-tertiary); }
.sidebar-group.open .sidebar-group-caret { transform: rotate(180deg); }
.sidebar-sublist {
  list-style: none; margin: 2px 0 2px 0; padding: 0 0 0 30px;
  display: flex; flex-direction: column; gap: 1px;
  overflow: hidden; max-height: 0;
  transition: max-height var(--duration-base) var(--ease-standard);
}
.sidebar-group.open .sidebar-sublist { max-height: 320px; }
.sidebar-sublink {
  display: block; padding: var(--space-2) var(--space-3); border-radius: var(--radius-md);
  color: var(--text-tertiary); text-decoration: none; font-size: .8125rem;
  transition: background var(--duration-fast), color var(--duration-fast);
}
.sidebar-sublink:hover { background: var(--bg-elevated); color: var(--text-primary); }
.sidebar-sublink.active { color: var(--accent-400); font-weight: 600; }

.sidebar-foot {
  flex-shrink: 0; padding: var(--space-4); border-top: 1px solid var(--border-hairline);
  font-size: .6875rem; color: var(--text-tertiary);
}

/* Collapsed (desktop, icon-only) */
.app-shell.sidebar-collapsed .app-sidebar { width: var(--sidebar-width-collapsed); }
.app-shell.sidebar-collapsed .sidebar-label,
.app-shell.sidebar-collapsed .sidebar-badge,
.app-shell.sidebar-collapsed .sidebar-group-caret,
.app-shell.sidebar-collapsed .sidebar-section-label,
.app-shell.sidebar-collapsed .sidebar-sublist,
.app-shell.sidebar-collapsed .sidebar-brand-text,
.app-shell.sidebar-collapsed .sidebar-foot { display: none; }
.app-shell.sidebar-collapsed .app-main { margin-left: var(--sidebar-width-collapsed); }
.app-shell.sidebar-collapsed .sidebar-link { justify-content: center; }

/* ─── Main column ────────────────────────────────────────────────────────── */
.app-main { flex: 1; margin-left: var(--sidebar-width); min-width: 0; transition: margin-left var(--duration-base) var(--ease-standard); display: flex; flex-direction: column; }

/* ─── Topbar ─────────────────────────────────────────────────────────────── */
.app-topbar {
  position: sticky; top: 0; z-index: calc(var(--z-sticky) - 1);
  height: var(--topbar-height); flex-shrink: 0;
  display: flex; align-items: center; gap: var(--space-4);
  padding: 0 var(--space-6);
  background: var(--bg-base); border-bottom: 1px solid var(--border-hairline);
}
.topbar-menu-btn {
  display: none; align-items: center; justify-content: center;
  width: 36px; height: 36px; flex-shrink: 0;
  background: transparent; border: 1px solid var(--border-default); border-radius: var(--radius-md);
  color: var(--text-secondary); cursor: pointer;
}
.topbar-title { display: flex; flex-direction: column; line-height: 1.2; flex-shrink: 0; min-width: 0; }
.topbar-title h1 { font-size: 1.0625rem; font-weight: 700; margin: 0; letter-spacing: -.01em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar-title .topbar-crumb { font-size: .75rem; color: var(--text-tertiary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.topbar-search-wrap { flex: 1; display: flex; justify-content: center; }
.topbar-search {
  display: flex; align-items: center; gap: var(--space-2);
  width: 100%; max-width: 420px; height: 36px; padding: 0 var(--space-3);
  background: var(--bg-elevated); border: 1px solid var(--border-default); border-radius: var(--radius-md);
  color: var(--text-tertiary); cursor: pointer;
  transition: border-color var(--duration-fast), background var(--duration-fast);
}
.topbar-search:hover { border-color: var(--border-strong); background: var(--bg-surface); }
.topbar-search span.q { flex: 1; font-size: .8125rem; text-align: left; }
.topbar-search kbd {
  font-family: var(--font-mono); font-size: .625rem; color: var(--text-tertiary);
  background: var(--bg-overlay); border: 1px solid var(--border-default); border-radius: var(--radius-sm);
  padding: 1px 5px;
}

.topbar-actions { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }
.topbar-icon-btn {
  position: relative; display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; background: transparent; border: 1px solid var(--border-default);
  border-radius: var(--radius-md); color: var(--text-secondary); cursor: pointer;
  transition: background var(--duration-fast), color var(--duration-fast), border-color var(--duration-fast);
}
.topbar-icon-btn:hover { background: var(--bg-elevated); color: var(--text-primary); border-color: var(--border-strong); }
.topbar-icon-btn .dot {
  position: absolute; top: 6px; right: 6px; width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-600); border: 1.5px solid var(--bg-base);
}

.avatar-circle {
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  width: 34px; height: 34px; border-radius: 50%;
  font-size: .75rem; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--accent-500), var(--accent-700));
}
.avatar-circle.avatar-blue { background: linear-gradient(135deg, var(--primary-500), var(--primary-700)); }
.avatar-circle.avatar-sm { width: 26px; height: 26px; font-size: .625rem; }
.avatar-circle.avatar-lg { width: 56px; height: 56px; font-size: 1.125rem; }

.topbar-profile-btn { display: flex; align-items: center; gap: var(--space-2); background: none; border: none; cursor: pointer; padding: 0; }
.topbar-profile-btn .caret { color: var(--text-tertiary); }

/* ─── Content ─────────────────────────────────────────────────────────────── */
.app-content { padding: var(--space-6); flex: 1; }
.app-content-header { display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3); margin-bottom: var(--space-6); }
.app-content-header h2 { margin: 0 0 var(--space-1); }
.app-content-header p { margin: 0; color: var(--text-secondary); font-size: .875rem; }

/* ─── Dashboard grid ─────────────────────────────────────────────────────── */
.dash-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: var(--space-6); align-items: start; }
@media (max-width: 1199.98px) { .dash-grid { grid-template-columns: minmax(0, 1fr); } }

.panel {
  background: var(--bg-elevated); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}
.panel-header { display: flex; align-items: center; justify-content: space-between; padding: var(--space-5) var(--space-5) 0; }
.panel-title { font-size: .9375rem; font-weight: 700; margin: 0; }
.panel-link { font-size: .75rem; font-weight: 600; color: var(--primary-400); text-decoration: none; }
.panel-link:hover { color: var(--text-link-hover); }
.panel-body { padding: var(--space-5); }

/* Portfolio value card */
.portfolio-card { padding: var(--space-6); margin-bottom: var(--space-5); }
.portfolio-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }
.portfolio-value { font-family: var(--font-mono); font-size: clamp(1.5rem, 6vw, 2.5rem); font-weight: 700; letter-spacing: -.02em; line-height: 1.1; margin: var(--space-2) 0 var(--space-2); overflow-wrap: break-word; }
.portfolio-delta { font-family: var(--font-mono); font-size: .8125rem; font-weight: 600; }
.portfolio-sparkline { flex-shrink: 0; }
.portfolio-actions { display: flex; gap: var(--space-2); flex-shrink: 0; }

/* Stat tiles row */
.stat-tile-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--border-hairline); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); overflow: hidden; margin-bottom: var(--space-5); }
@media (max-width: 767.98px) { .stat-tile-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.stat-tile { display: block; min-width: 0; background: var(--bg-elevated); padding: var(--space-5); text-decoration: none; color: inherit; transition: background var(--duration-fast); }
a.stat-tile:hover { background: var(--bg-overlay); }
.stat-tile .stat-value { font-size: 1.375rem; overflow-wrap: break-word; }
.stat-tile .stat-sub { font-size: .75rem; color: var(--text-tertiary); margin-top: 2px; }

/* Chart panel */
.chart-panel { margin-bottom: var(--space-5); }
.chart-panel-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3); padding: var(--space-5); border-bottom: 1px solid var(--border-hairline); }
.chart-crumb { display: flex; align-items: center; gap: var(--space-2); font-size: .75rem; color: var(--text-tertiary); font-family: var(--font-mono); margin-bottom: var(--space-2); }
.chart-symbol-name { font-size: 1.25rem; font-weight: 700; margin: 0; }
.chart-symbol-price { font-family: var(--font-mono); font-size: .8125rem; color: var(--text-secondary); }
.chart-timeframes { display: flex; gap: 2px; background: var(--bg-surface); border: 1px solid var(--border-default); border-radius: var(--radius-md); padding: 2px; }
.chart-tf-btn { border: none; background: transparent; color: var(--text-tertiary); font-size: .75rem; font-weight: 600; padding: 5px 11px; border-radius: var(--radius-sm); cursor: pointer; font-family: var(--font-mono); transition: background var(--duration-fast), color var(--duration-fast); }
.chart-tf-btn:hover { color: var(--text-primary); }
.chart-tf-btn.active { background: var(--primary-600); color: var(--text-primary); }
.chart-canvas-wrap { padding: var(--space-4) var(--space-5) var(--space-5); }
.chart-canvas-wrap canvas { display: block; width: 100%; }

/* Markets panel */
.markets-tabs { display: flex; gap: var(--space-1); overflow-x: auto; padding: 0 var(--space-5); border-bottom: 1px solid var(--border-hairline); scrollbar-width: none; }
.markets-tabs::-webkit-scrollbar { display: none; }
.markets-tab {
  background: none; border: none; border-bottom: 2px solid transparent;
  color: var(--text-tertiary); font-size: .8125rem; font-weight: 600;
  padding: var(--space-3) var(--space-2); cursor: pointer; white-space: nowrap;
  transition: color var(--duration-fast), border-color var(--duration-fast);
}
.markets-tab:hover { color: var(--text-primary); }
.markets-tab.active { color: var(--accent-400); border-bottom-color: var(--accent-600); }
.markets-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: var(--space-3); padding: var(--space-5); }
.market-card { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); text-decoration: none; transition: border-color var(--duration-fast), background var(--duration-fast); }
.market-card:hover { border-color: var(--border-strong); background: var(--bg-overlay); }
.market-card-icon { width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: .6875rem; font-weight: 700; color: #fff; background: var(--primary-600); }
.market-card-info { min-width: 0; flex: 1; }
.market-card-symbol { font-size: .8125rem; font-weight: 700; color: var(--text-primary); }
.market-card-name { font-size: .6875rem; color: var(--text-tertiary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.market-card-right { text-align: right; flex-shrink: 0; }
.market-card-price { font-family: var(--font-mono); font-size: .75rem; font-weight: 600; color: var(--text-primary); }
.market-card-change { font-family: var(--font-mono); font-size: .6875rem; font-weight: 600; }

/* Recent transactions */
.trx-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding: var(--space-3) 0; border-bottom: 1px solid var(--border-hairline); }
.trx-row:last-child { border-bottom: none; }
.trx-row-info { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.trx-row-title { font-size: .8125rem; font-weight: 600; color: var(--text-primary); }
.trx-row-sub { font-size: .6875rem; color: var(--text-tertiary); font-family: var(--font-mono); }
.trx-row-right { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }
.trx-row-amount { font-family: var(--font-mono); font-size: .875rem; font-weight: 700; color: var(--text-primary); }

/* Right rail */
.rail-section { margin-bottom: var(--space-5); }

/* Trader card */
.trader-card { padding: var(--space-4); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); margin-bottom: var(--space-3); }
.trader-card:last-child { margin-bottom: 0; }
.trader-card-top { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-3); }
.trader-card-info { min-width: 0; flex: 1; overflow: hidden; }
.trader-card-name { font-size: .875rem; font-weight: 700; color: var(--text-primary); line-height: 1.3; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.trader-card-tag { font-size: .6875rem; color: var(--text-tertiary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.risk-badge { margin-left: auto; flex-shrink: 0; }
.risk-badge.risk-low    { background: rgba(41,121,255,.10); color: #6ea8ff; border-color: rgba(41,121,255,.25); }
.risk-badge.risk-medium { background: var(--warning-fill); color: var(--status-warning); border-color: rgba(255,145,0,.25); }
.risk-badge.risk-high   { background: var(--error-fill); color: var(--status-error); border-color: rgba(213,0,0,.25); }
.trader-card-perf { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-3); }
.trader-card-return { font-family: var(--font-mono); font-size: 1.125rem; font-weight: 700; }
.trader-card-period { font-size: .6875rem; color: var(--text-tertiary); }
.trader-stat-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-2) var(--space-4); margin-bottom: var(--space-4); }
.trader-stat { display: flex; flex-direction: column; min-width: 0; }
.trader-stat-value { font-family: var(--font-mono); font-size: .8125rem; font-weight: 700; color: var(--text-primary); overflow-wrap: break-word; }
.trader-stat-label { font-size: .625rem; color: var(--text-tertiary); letter-spacing: .06em; text-transform: uppercase; margin-top: 1px; }

/* Watchlist */
.watchlist-group-label { font-size: .6875rem; font-weight: 600; color: var(--text-tertiary); letter-spacing: .08em; text-transform: uppercase; padding: var(--space-2) 0; }
.watchlist-row { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-2) 0; text-decoration: none; border-bottom: 1px solid var(--border-hairline); }
.watchlist-row:last-child { border-bottom: none; }
.watchlist-info { min-width: 0; flex: 1; overflow: hidden; }
.watchlist-symbol { font-size: .8125rem; font-weight: 700; color: var(--text-primary); }
.watchlist-name { font-size: .6875rem; color: var(--text-tertiary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: block; }
.watchlist-right { margin-left: auto; text-align: right; flex-shrink: 0; }
.watchlist-price { font-family: var(--font-mono); font-size: .75rem; font-weight: 600; color: var(--text-primary); }
.watchlist-change { font-family: var(--font-mono); font-size: .6875rem; font-weight: 600; }
.empty-hint { padding: var(--space-4) 0; font-size: .8125rem; color: var(--text-tertiary); text-align: center; }

/* ─── Command palette (search) ───────────────────────────────────────────── */
.cmdk-backdrop {
  display: none; position: fixed; inset: 0; z-index: var(--z-modal);
  background: rgba(5,8,22,.65); backdrop-filter: blur(2px);
  align-items: flex-start; justify-content: center; padding-top: 12vh;
}
.cmdk-backdrop.open { display: flex; animation: fadeIn 120ms ease both; }
.cmdk-panel { width: 100%; max-width: 560px; background: var(--bg-raised); border: 1px solid var(--border-default); border-radius: var(--radius-lg); box-shadow: var(--shadow-xl); overflow: hidden; }
.cmdk-input-row { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--border-hairline); }
.cmdk-input { flex: 1; background: none; border: none; color: var(--text-primary); font-size: .9375rem; outline: none; }
.cmdk-input::placeholder { color: var(--text-placeholder); }
.cmdk-esc { font-family: var(--font-mono); font-size: .625rem; color: var(--text-tertiary); background: var(--bg-overlay); border: 1px solid var(--border-default); border-radius: var(--radius-sm); padding: 2px 6px; }
.cmdk-body { padding: var(--space-6) var(--space-5); text-align: center; color: var(--text-tertiary); font-size: .8125rem; }

/* ─── Auth (login/register) screens ──────────────────────────────────────── */
.auth-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
@media (max-width: 991.98px) { .auth-shell { grid-template-columns: 1fr; } }
.auth-side {
  position: relative; overflow: hidden; padding: var(--space-10);
  display: flex; flex-direction: column; justify-content: space-between;
  background: var(--bg-surface); border-right: 1px solid var(--border-hairline);
}
.auth-side::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 50% at 30% 0%, rgba(21,57,154,.25) 0%, transparent 60%);
  pointer-events: none;
}
@media (max-width: 991.98px) { .auth-side { display: none; } }
.auth-side-content { position: relative; max-width: 420px; }
.auth-side-content h2 { font-size: 1.75rem; margin-bottom: var(--space-4); }
.auth-side-content p { color: var(--text-secondary); }
.auth-side-stats { position: relative; display: flex; gap: var(--space-8); }
.auth-side-stats .stat-value { font-size: 1.5rem; }

.auth-form-col { display: flex; align-items: center; justify-content: center; padding: var(--space-8) var(--space-6); }
.auth-form-wrap { width: 100%; max-width: 400px; }
.auth-form-wrap .brand-row { display: flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-8); text-decoration: none; }
.auth-form-wrap h1 { font-size: 1.5rem; margin-bottom: var(--space-2); }
.auth-form-wrap .auth-sub { color: var(--text-secondary); font-size: .875rem; margin-bottom: var(--space-6); }
.auth-form-wrap .form-group { margin-bottom: var(--space-4); }
.auth-divider { display: flex; align-items: center; gap: var(--space-3); margin: var(--space-5) 0; color: var(--text-tertiary); font-size: .75rem; }
.auth-divider::before, .auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--border-hairline); }
.auth-foot-link { text-align: center; font-size: .8125rem; color: var(--text-secondary); margin-top: var(--space-6); }
.auth-checkbox-row { display: flex; align-items: center; justify-content: space-between; font-size: .8125rem; margin-bottom: var(--space-5); }

/* ─── Mobile ──────────────────────────────────────────────────────────────── */
@media (max-width: 1199.98px) {
  .app-sidebar { transform: translateX(-100%); box-shadow: var(--shadow-xl); }
  .app-shell.sidebar-mobile-open .app-sidebar { transform: translateX(0); }
  .app-shell.sidebar-collapsed .app-sidebar,
  .app-sidebar { width: var(--sidebar-width); }
  .app-shell.sidebar-collapsed .sidebar-label,
  .app-shell.sidebar-collapsed .sidebar-badge,
  .app-shell.sidebar-collapsed .sidebar-group-caret,
  .app-shell.sidebar-collapsed .sidebar-section-label,
  .app-shell.sidebar-collapsed .sidebar-brand-text,
  .app-shell.sidebar-collapsed .sidebar-foot { display: revert; }
  .app-main, .app-shell.sidebar-collapsed .app-main { margin-left: 0; }
  .topbar-menu-btn { display: flex; }
  .topbar-title .topbar-crumb { display: none; }
  .sidebar-collapse-btn { display: none; }
  .sidebar-backdrop { display: none; position: fixed; inset: 0; background: rgba(5,8,22,.55); z-index: calc(var(--z-sticky) - 1); }
  .app-shell.sidebar-mobile-open .sidebar-backdrop { display: block; }
}
@media (max-width: 767.98px) {
  .topbar-search-wrap { display: none; }
  .app-topbar { padding: 0 var(--space-4); gap: var(--space-2); }
  .topbar-title { flex: 1; }
  .topbar-actions { gap: var(--space-2); }
  .app-content { padding: var(--space-4); }
  .portfolio-card-top { flex-direction: column; }
  .portfolio-actions { width: 100%; }
  .portfolio-actions .btn { flex: 1; }
}
/* Numbers have no natural break point (no spaces) - without this a long
   price/amount can overflow its box even once the grid/flex track around it
   is allowed to shrink (fixed above), instead of wrapping like normal text. */
.chart-symbol-name, .chart-symbol-price, .market-card-price, .market-card-change,
.watchlist-price, .watchlist-change, .trx-row-amount, .trader-card-return,
.trader-stat-value { overflow-wrap: break-word; }

@media (max-width: 479.98px) {
  .stat-tile-grid { grid-template-columns: minmax(0, 1fr); }
  .trader-stat-grid { gap: var(--space-2); }
}