@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&display=swap");

/* ── Design Tokens ─────────────────────────────────────────────── */
:root {
  --bg-base: #09090d;
  --bg-panel: #0f0f14;
  --bg-surface: #16161d;
  --bg-elevated: #1e1e27;
  --bg-hover: #262630;
  --bg-input: #12121a;

  --border-subtle: rgba(255, 255, 255, 0.05);
  --border-default: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.14);

  --text-primary: #eeedf3;
  --text-secondary: #9494a8;
  --text-muted: #5e5e72;

  --accent: #6c4dff;
  --accent-hover: #5838e8;
  --accent-bright: #8b6fff;
  --accent-glow: rgba(108, 77, 255, 0.28);
  --accent-subtle: rgba(108, 77, 255, 0.12);

  --success: #00c8a0;
  --success-bg: rgba(0, 200, 160, 0.14);
  --danger: #ff4d6a;
  --danger-bg: rgba(255, 77, 106, 0.14);
  --danger-surface: #2a1520;
  --danger-text: #ffb3c0;
  --warning: #f5a623;
  --warning-bg: rgba(245, 166, 35, 0.12);
  --profit: #b47aff;
  --profit-bg: rgba(180, 122, 255, 0.12);

  --chart-bg: #0f0f14;
  --chart-grid: rgba(255, 255, 255, 0.06);
  --chart-text: #eeedf3;
  --chart-success-alpha: rgba(0, 200, 160, 0.45);
  --chart-danger-alpha: rgba(255, 77, 106, 0.45);
  --chart-grid-line: rgba(148, 148, 168, 0.22);
  --chart-grid-line-strong: rgba(148, 148, 168, 0.55);

  --font-ui: "Inter", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Consolas", monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --shadow-card: 0 0 0 1px var(--border-subtle), 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-elevated: 0 8px 32px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 20px var(--accent-glow);

  --transition: 0.15s ease;
}

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

html {
  height: 100%;
}

html,
body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
}

/* Dashboard: feste Viewport-Höhe, Scroll in Unterbereichen */
body.app-shell {
  height: 100vh;
  max-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

body.app-shell .header,
body.app-shell .balance-row,
body.app-shell .alert-banner {
  flex-shrink: 0;
}

/* Profil, Login, AGB: ganze Seite scrollbar */
body.profile-page,
body.login-page {
  min-height: 100vh;
  height: auto;
  overflow-y: auto;
  overflow-x: hidden;
}

.hidden {
  display: none !important;
}

.muted {
  color: var(--text-secondary);
  font-weight: 400;
  font-size: 13px;
}

/* ── Alert ───────────────────────────────────────────────────────── */
.alert-banner {
  background: var(--danger-surface);
  color: var(--danger-text);
  padding: 10px 24px;
  font-size: 13px;
  white-space: pre-wrap;
  border-bottom: 1px solid rgba(255, 77, 106, 0.2);
}

/* ── Header ──────────────────────────────────────────────────────── */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px 12px;
  background: var(--bg-base);
  border-bottom: 1px solid var(--border-subtle);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent) 0%, #3d9eff 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
  flex-shrink: 0;
}

.brand-icon svg {
  width: 18px;
  height: 18px;
}

.app-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mode-badge {
  font-size: 9px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.mode-badge.paper {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(0, 200, 160, 0.25);
}

.mode-badge.live {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(255, 77, 106, 0.25);
}

.badge {
  font-size: 11px;
  padding: 5px 12px;
  border-radius: 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  font-weight: 500;
}

.badge.ok { color: var(--success); }
.badge.err { color: var(--danger); }
.badge.warn { color: var(--warning); }
.badge.muted { color: var(--text-muted); }

/* ── Balance Cards ───────────────────────────────────────────────── */
.balance-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 14px 24px 12px;
}

.balance-row.pair-selected {
  grid-template-columns: repeat(3, 1fr);
}

.balance-card.hidden {
  display: none;
}

.balance-card {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  border: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.balance-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border-default);
  transition: background var(--transition);
}

.balance-card:hover {
  border-color: var(--border-default);
  box-shadow: var(--shadow-card);
}

.balance-card.accent::before { background: linear-gradient(90deg, var(--accent), var(--accent-bright)); }
.balance-card.success::before { background: var(--success); }
.balance-card.warning::before { background: var(--warning); }
.balance-card.profit::before { background: var(--profit); }

.balance-label {
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.balance-value {
  font-size: 22px;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

.balance-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── Layout ──────────────────────────────────────────────────────── */
.main {
  display: flex;
  gap: 12px;
  padding: 0 24px 20px;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}

.card {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
}

.sidebar {
  width: 230px;
  flex-shrink: 0;
  padding: 14px;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.sidebar-title {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sidebar-hint {
  font-size: 10px;
  color: var(--text-muted);
  margin: 4px 0 10px;
}

.pair-list {
  list-style: none;
  flex: 1;
  overflow-y: auto;
  margin-bottom: 10px;
  scrollbar-width: thin;
  scrollbar-color: var(--bg-hover) transparent;
}

.pair-item {
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 2px;
  transition: background var(--transition), color var(--transition);
  font-family: var(--font-mono);
}

.pair-item::before {
  content: "● ";
  font-size: 9px;
}

.pair-item.running { color: var(--success); }
.pair-item.starting { color: #f59e0b; }
.pair-item.stopped { color: var(--danger); }
.pair-item.selected {
  background: var(--accent-subtle);
  color: var(--accent-bright);
}
.pair-item.selected.running { color: var(--success); }
.pair-item.selected.stopped { color: var(--danger); }
.pair-item.pending { color: var(--text-muted); }
.pair-item.pending::before { content: "○ "; }
.pair-item.untradable { color: var(--text-muted); font-style: italic; }
.pair-item.untradable::before { content: "◌ "; }
.pair-item:hover:not(.selected) { background: var(--bg-hover); }

.sidebar-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar-note {
  font-size: 10px;
  color: var(--text-muted);
  margin: 2px 0 8px;
}

.version {
  font-size: 10px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: 8px;
}

.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

/* ── Tabs ────────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 4px;
  padding: 10px 12px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.tab {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 10px 18px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  position: relative;
  transition: color var(--transition);
  font-family: var(--font-ui);
}

.tab::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 18px;
  right: 18px;
  height: 2px;
  background: transparent;
  border-radius: 2px 2px 0 0;
  transition: background var(--transition);
}

.tab.active {
  color: var(--accent-bright);
}

.tab.active::after {
  background: linear-gradient(90deg, var(--accent), var(--accent-bright));
}

.tab:hover:not(.active) {
  color: var(--text-primary);
}

.panel {
  display: none;
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 16px 18px;
  background: var(--bg-panel);
  scrollbar-width: thin;
  scrollbar-color: var(--bg-hover) transparent;
  -webkit-overflow-scrolling: touch;
}

.panel.active {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* Chart-Tab: Inhalt füllt Bereich, kein Panel-Scroll */
#panel-chart.active {
  overflow: hidden;
}

.panel-head,
.chart-toolbar,
.tf-row,
.chart-legend,
.backtest-bar,
.filter-bar,
.history-actions,
.section-head,
.preview-row,
.settings-grid,
.billing-summary,
.billing-controls,
.billing-actions {
  flex-shrink: 0;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.panel-head h2 {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.panel-head-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-head-actions .status-pill {
  margin-left: 0;
}

.status-pill {
  font-size: 10px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--bg-elevated);
  color: var(--text-muted);
  margin-left: 10px;
  border: 1px solid var(--border-subtle);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.status-pill.running {
  background: var(--success-bg);
  color: var(--success);
  border-color: rgba(0, 200, 160, 0.2);
}

.section-title {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  margin: 14px 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 14px 0 8px;
}

.section-head .section-title {
  margin: 0;
}

.mono-block {
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  white-space: pre-wrap;
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.overview-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 8px;
}

.overview-stat {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  min-width: 0;
}

.overview-stat-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.overview-stat-value {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
  line-height: 1.4;
  word-break: break-word;
}

.overview-log {
  max-height: min(240px, 28vh);
  overflow-y: auto;
  flex-shrink: 0;
}

.pnl-chart {
  width: 100%;
  height: 220px;
  margin-bottom: 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.pnl-chart-empty {
  margin: 0 0 16px;
  font-size: 12px;
}

.overview-table-wrap {
  overflow: auto;
  flex-shrink: 0;
}

.tab.tab-admin {
  color: var(--accent-bright);
}

.tab.tab-admin.active::after {
  background: linear-gradient(90deg, #ffc107, var(--accent-bright));
}

.admin-header-btn {
  border-color: rgba(108, 77, 255, 0.45);
  color: var(--accent-bright);
}

.admin-header-btn:hover {
  background: var(--accent-subtle);
  border-color: var(--accent);
}

.log-block {
  overflow-y: auto;
  font-size: 10px;
}

.log-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.log-view {
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  padding: 8px 0;
  font-family: var(--font-mono);
  line-height: 1.5;
}

.log-line {
  display: grid;
  grid-template-columns: 132px 62px 140px 1fr;
  gap: 8px;
  align-items: baseline;
  padding: 4px 12px;
  border-left: 2px solid transparent;
  transition: background var(--transition);
}

.log-line:hover {
  background: var(--bg-hover);
}

.log-line.log-info { border-left-color: var(--accent); }
.log-line.log-warning { border-left-color: var(--warning); }
.log-line.log-error { border-left-color: var(--danger); }
.log-line.log-debug { border-left-color: var(--text-muted); }
.log-line.log-muted {
  color: var(--text-muted);
  display: block;
  padding: 10px 12px;
}

.log-ts {
  color: var(--text-muted);
  white-space: nowrap;
}

.log-level {
  font-weight: 700;
  font-size: 9px;
  letter-spacing: 0.04em;
}

.log-info .log-level { color: var(--accent-bright); }
.log-warning .log-level { color: var(--warning); }
.log-error .log-level { color: var(--danger); }
.log-debug .log-level { color: var(--text-muted); }

.log-module {
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.log-msg {
  color: var(--text-primary);
  word-break: break-word;
}

.log-msg-error {
  color: var(--danger-text);
}

.log-tag {
  font-weight: 600;
  border-radius: 3px;
  padding: 0 2px;
}

.log-tag-paper {
  color: var(--warning);
}

.log-tag-symbol {
  color: var(--accent-bright);
}

.log-tag-price {
  color: var(--success);
}

.log-tag-profit {
  color: var(--profit);
}

.billing-hint {
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.5;
  margin-bottom: 14px;
}

.billing-controls {
  margin-bottom: 14px;
}

.billing-month-field {
  max-width: 220px;
  margin-bottom: 0;
}

.billing-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}

.billing-card-accent .preview-value {
  color: var(--profit);
}

.billing-card-accent {
  border-color: rgba(180, 122, 255, 0.25);
}

.billing-payment-info {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
  font-size: 12px;
}

.billing-actions {
  margin-bottom: 14px;
}

.billing-status-pending {
  color: var(--text-muted);
}

.billing-status-open {
  background: rgba(245, 166, 35, 0.14);
  color: var(--warning);
  border-color: rgba(245, 166, 35, 0.25);
}

.billing-status-paid {
  background: var(--success-bg);
  color: var(--success);
  border-color: rgba(0, 200, 160, 0.2);
}

.billing-status-overdue {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: rgba(255, 77, 106, 0.25);
}

.billing-status-reported {
  background: rgba(255, 193, 7, 0.15);
  color: #ffc107;
  border: 1px solid rgba(255, 193, 7, 0.35);
}

.billing-status-waived {
  color: var(--text-muted);
}

.payment-lock {
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 24px 16px;
  overflow-y: auto;
}

.payment-lock-card {
  width: min(520px, 92vw);
  padding: 28px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  margin: auto 0;
}

.payment-lock-card h2 {
  margin-bottom: 10px;
  color: var(--danger-text);
}

.payment-lock-lead {
  color: var(--text-secondary);
  margin-bottom: 12px;
}

/* ── Tables ──────────────────────────────────────────────────────── */
.table-wrap {
  overflow: auto;
  min-height: 0;
  flex-shrink: 0;
  -webkit-overflow-scrolling: touch;
}

#panel-history .table-wrap,
#panel-billing .table-wrap,
#panel-admin .table-wrap {
  flex: 1 1 auto;
  min-height: 160px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.data-table th {
  text-align: center;
  padding: 10px 8px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-default);
}

.data-table td {
  text-align: center;
  padding: 8px 6px;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 12px;
}

.data-table tbody tr {
  transition: background var(--transition);
}

.data-table tbody tr:hover {
  background: var(--bg-hover);
}

.data-table tr.buy td:nth-child(2) { color: var(--success); }
.data-table tr.sell td:nth-child(2) { color: var(--danger); }
.data-table tr.profit-pos td:last-child { color: var(--profit); }
.data-table tr.profit-neg td:last-child { color: var(--danger); }

/* ── Buttons ─────────────────────────────────────────────────────── */
.btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-ui);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-strong);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn.primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: var(--shadow-glow);
}

.btn.danger {
  background: var(--danger-surface);
  border-color: rgba(255, 77, 106, 0.3);
  color: var(--danger-text);
}

.btn.danger:hover {
  background: rgba(255, 77, 106, 0.18);
  border-color: rgba(255, 77, 106, 0.45);
}

/* ── Chart Tab ───────────────────────────────────────────────────── */
.chart-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 6px;
}

.chart-head-left h2 {
  font-size: 20px;
  font-weight: 700;
  display: inline;
  margin-right: 12px;
  letter-spacing: -0.02em;
}

.change {
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.change.up { color: var(--success); }
.change.down { color: var(--danger); }

.ohlc {
  display: flex;
  gap: 16px;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.ohlc b {
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.price-row {
  margin-top: 8px;
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.live-price {
  font-size: 28px;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: -0.03em;
}

.clock {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.tf-row {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  padding: 3px;
  border: 1px solid var(--border-subtle);
  width: fit-content;
}

.tf {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-mono);
  transition: background var(--transition), color var(--transition);
}

.tf.active {
  background: var(--accent-subtle);
  color: var(--accent-bright);
}

.tf:hover:not(.active) {
  color: var(--text-primary);
}

.chart-legend {
  display: flex;
  gap: 18px;
  margin-bottom: 8px;
  font-size: 11px;
}

.legend-item {
  font-weight: 600;
}

.legend-buy { color: var(--success); }
.legend-sell { color: var(--danger); }
.legend-grid { color: var(--text-muted); }
.legend-trade { color: var(--warning); }

.error {
  background: var(--danger-surface);
  color: var(--danger-text);
  padding: 8px 12px;
  font-size: 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  border: 1px solid rgba(255, 77, 106, 0.2);
}

.chart-wrap {
  flex: 1 1 auto;
  min-height: 220px;
  background: var(--chart-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
}

/* ── Settings ──────────────────────────────────────────────────────── */
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.settings-col {
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  padding: 18px;
  border: 1px solid var(--border-subtle);
}

.settings-col h3 {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 12px;
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 500;
}

.field input,
.field select {
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--font-ui);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.field.checkbox-field {
  flex-direction: row;
  align-items: center;
  gap: 10px;
}

.field.checkbox-field input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.preview-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.preview-badge {
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  padding: 14px;
  text-align: center;
  border: 1px solid var(--border-subtle);
  transition: border-color var(--transition);
}

.preview-badge:hover {
  border-color: var(--border-default);
}

.preview-label {
  font-size: 10px;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

.preview-value {
  font-size: 20px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent-bright);
}

/* ── Backtest ──────────────────────────────────────────────────────── */
.backtest-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-bottom: 8px;
  font-size: 13px;
}

.bt-capital {
  margin: 0 0 12px;
  font-size: 13px;
}

.backtest-bar label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-weight: 500;
}

.backtest-bar input,
.backtest-bar select {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
}

.bt-table-wrap {
  max-height: min(320px, 40vh);
  margin: 10px 0;
  overflow: auto;
}

.bt-chart-wrap {
  flex: 0 1 auto;
  min-height: 200px;
  max-height: min(420px, 45vh);
  margin-top: 12px;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
}

/* ── History ─────────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.filter-bar label {
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  transition: color var(--transition);
}

.filter-bar label:hover {
  color: var(--text-primary);
}

.filter-bar input[type="radio"] {
  accent-color: var(--accent);
}

.history-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.warn {
  color: var(--warning);
  font-size: 11px;
  margin-bottom: 8px;
}

/* ── Toast ───────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  z-index: 1000;
  box-shadow: var(--shadow-elevated);
  backdrop-filter: blur(8px);
}

.toast.ok {
  background: rgba(10, 40, 32, 0.92);
  color: var(--success);
  border: 1px solid rgba(0, 200, 160, 0.25);
}

.toast.err {
  background: rgba(42, 21, 32, 0.92);
  color: var(--danger-text);
  border: 1px solid rgba(255, 77, 106, 0.25);
}

.sidebar-new-pair {
  width: 100%;
  margin-top: 8px;
  flex-shrink: 0;
}

/* ── Modals ──────────────────────────────────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  z-index: 2000;
  padding: 24px 16px;
  overflow-y: auto;
}

.modal-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 24px;
  width: min(440px, 92vw);
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  box-shadow: var(--shadow-elevated);
  margin: auto 0;
}

.modal-card-wide {
  width: min(920px, 96vw);
  max-height: calc(100vh - 48px);
  overflow-y: auto;
}

.new-pair-intro {
  margin: 0 0 16px;
}

.new-pair-intro a {
  color: var(--accent);
  text-decoration: none;
}

.new-pair-intro a:hover {
  text-decoration: underline;
}

.new-pair-grid {
  display: grid;
  grid-template-columns: minmax(200px, 1fr) minmax(260px, 1.2fr) minmax(200px, 1fr);
  gap: 18px;
}

.new-pair-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.np-exchange-badge {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  border: 1px solid var(--border-default);
}

.np-exchange-badge strong {
  font-size: 18px;
  font-weight: 700;
}

.np-asset-results {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 280px;
  overflow-y: auto;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
}

.np-asset-results.hidden {
  display: none;
}

.np-asset-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-subtle, var(--border-default));
}

.np-asset-item:last-child {
  border-bottom: none;
}

.np-asset-item:hover,
.np-asset-item:focus {
  background: var(--bg-hover, rgba(255, 255, 255, 0.04));
}

.np-asset-sym {
  font-weight: 700;
  min-width: 3.5rem;
  font-family: var(--font-mono);
}

.np-asset-name {
  color: var(--text-muted);
  font-size: 13px;
}

.np-selected-asset {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 4px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft, rgba(99, 102, 241, 0.12));
  border: 1px solid var(--border-default);
}

.np-selected-asset.hidden {
  display: none;
}

.np-asset-pick {
  font-weight: 600;
  font-size: 14px;
}

.np-asset-clear {
  min-width: 2rem;
  padding: 2px 8px;
}

.np-asset-list {
  width: 100%;
  min-height: 280px;
  padding: 8px;
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 13px;
}

.np-preview {
  padding: 14px;
  margin-top: 4px;
}

.np-preview-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.np-preview-symbol {
  font-size: 22px;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

.np-preview-meta {
  margin-top: 4px;
  font-size: 13px;
}

@media (max-width: 900px) {
  .new-pair-grid {
    grid-template-columns: 1fr;
  }

  .np-asset-list {
    min-height: 200px;
  }
}

.modal-card h3 {
  margin-bottom: 12px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

.modal-card input[type="text"] {
  width: 100%;
  margin-top: 10px;
  padding: 10px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 14px;
}

.modal-card input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

/* ── Login Page ──────────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(108, 77, 255, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(61, 158, 255, 0.06) 0%, transparent 50%),
    var(--bg-base);
}

.login-card {
  width: 100%;
  max-width: 440px;
  padding: 40px 36px;
  text-align: center;
}

.login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.login-brand .brand-icon {
  width: 48px;
  height: 48px;
}

.login-brand .brand-icon svg {
  width: 26px;
  height: 26px;
}

.login-title {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.login-subtitle {
  color: var(--text-secondary);
  margin: 0 0 28px;
  line-height: 1.6;
  font-size: 14px;
}

.microsoft-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 13px 18px;
  background: var(--bg-elevated);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  border: 1px solid var(--border-default);
  transition: background var(--transition), border-color var(--transition);
}

.microsoft-btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-strong);
}

.microsoft-btn.disabled {
  pointer-events: none;
  opacity: 0.45;
}

.login-error {
  color: var(--danger-text);
  margin-top: 18px;
  font-size: 0.9rem;
}

.login-hint {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 24px;
  line-height: 1.5;
}

.terms-card {
  width: 100%;
  max-width: 720px;
  padding: 36px 32px;
}

.terms-sections {
  max-height: min(52vh, 520px);
  overflow-y: auto;
  margin-bottom: 20px;
  padding-right: 8px;
  text-align: left;
}

.terms-section {
  margin-bottom: 18px;
}

.terms-section h2 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--text-primary);
}

.terms-section p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 14px;
}

.terms-accept-field {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  text-align: left;
  margin-bottom: 18px;
  color: var(--text-secondary);
  font-size: 14px;
}

.terms-accept-field input {
  margin-top: 3px;
}

.terms-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Header Right ────────────────────────────────────────────────── */
.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-sm {
  padding: 5px 12px;
  font-size: 0.8rem;
}

.user-link {
  text-decoration: none;
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.user-link:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-subtle);
}

/* ── Profile Page ────────────────────────────────────────────────── */
.profile-page {
  min-height: 100vh;
  background: var(--bg-base);
}

.profile-back {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  margin-right: 16px;
  transition: color var(--transition);
}

.profile-back:hover {
  color: var(--accent-bright);
}

.profile-title {
  font-size: 1.1rem;
}

.profile-main {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 24px 48px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.profile-card {
  padding: 24px 28px;
}

.profile-section-title {
  margin: 0 0 18px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.profile-fields {
  margin: 0;
  display: grid;
  gap: 14px;
}

.profile-field {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 8px;
  align-items: baseline;
}

.profile-field dt {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
}

.profile-field dd {
  margin: 0;
  font-size: 0.95rem;
  word-break: break-all;
}

.profile-field dd.mono {
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.profile-hint {
  margin: 18px 0 0;
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

.profile-hint-top {
  margin: 0 0 18px;
}

.profile-api-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.profile-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.api-status {
  font-size: 0.85rem;
}

.api-status.ok {
  color: var(--success);
}

.api-status.warn {
  color: var(--warning);
}

.settings-api-hint {
  margin: 0 0 14px;
}

.settings-api-hint a {
  color: var(--accent);
  text-decoration: none;
}

.settings-api-hint a:hover {
  text-decoration: underline;
}

.profile-exchange-overview {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.exchange-active-card {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 18px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
  background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--bg-input) 100%);
  box-shadow: var(--shadow-card);
}

.exchange-active-card--empty {
  border-color: var(--border-subtle);
  opacity: 0.92;
}

.exchange-active-card--active {
  border-color: rgba(0, 200, 160, 0.35);
  background: linear-gradient(135deg, rgba(0, 200, 160, 0.12) 0%, var(--bg-elevated) 55%);
  box-shadow: 0 0 0 1px rgba(0, 200, 160, 0.08), var(--shadow-card);
}

.exchange-active-card--warn {
  border-color: rgba(245, 166, 35, 0.35);
  background: linear-gradient(135deg, rgba(245, 166, 35, 0.1) 0%, var(--bg-elevated) 55%);
}

.exchange-active-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.exchange-active-card--active .exchange-active-icon {
  color: var(--success);
  border-color: rgba(0, 200, 160, 0.25);
  background: rgba(0, 200, 160, 0.1);
}

.exchange-active-card--warn .exchange-active-icon {
  color: var(--warning);
  border-color: rgba(245, 166, 35, 0.25);
  background: rgba(245, 166, 35, 0.08);
}

.exchange-active-icon svg {
  width: 22px;
  height: 22px;
}

.exchange-active-body {
  min-width: 0;
}

.exchange-active-kicker {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.exchange-active-name {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.25;
}

.exchange-active-card--active .exchange-active-name {
  color: var(--success);
}

.exchange-active-meta {
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.45;
}

#bt-result {
  max-height: min(260px, 32vh);
  overflow: auto;
  flex-shrink: 0;
}

.bt-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 12px;
  margin-bottom: 10px;
  flex-shrink: 0;
}

.panel::-webkit-scrollbar {
  width: 8px;
}

.panel::-webkit-scrollbar-thumb {
  background: var(--bg-hover);
  border-radius: 4px;
}

@media (max-width: 1100px) {
  .balance-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  body.app-shell .main {
    flex-direction: column;
    padding: 0 12px 12px;
  }

  .sidebar {
    width: 100%;
    max-height: min(280px, 34vh);
  }

  .balance-row {
    grid-template-columns: 1fr 1fr;
    padding: 10px 12px 8px;
    gap: 8px;
  }

  .header {
    padding: 12px 16px 10px;
  }
}

/* ── Scrollbar (Webkit) ──────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--bg-hover);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ── Landing Page ─────────────────────────────────────────────────── */
.landing-page {
  min-height: 100vh;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(108, 77, 255, 0.18), transparent),
    var(--bg-base);
  color: var(--text-primary);
}

.landing-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid var(--border-subtle);
}

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

.landing-logo {
  font-size: 1.05rem;
  font-weight: 600;
}

.landing-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.landing-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.92rem;
}

.landing-nav a:hover {
  color: var(--text-primary);
}

.landing-hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 32px 40px;
}

.landing-eyebrow {
  color: var(--accent-bright);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.landing-hero h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.15;
  margin-bottom: 16px;
}

.landing-lead {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 52ch;
}

.landing-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.landing-cta-primary {
  min-width: 220px;
}

.landing-cta-secondary {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
}

.landing-cta-hint {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.landing-hero-card {
  padding: 24px;
}

.landing-hero-card h2 {
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.landing-feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.landing-feature-list li {
  color: var(--text-secondary);
  padding-left: 18px;
  position: relative;
}

.landing-feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
}

.landing-section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 32px 40px;
}

.landing-section h2 {
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.landing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.landing-tile {
  padding: 20px;
}

.landing-tile h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.landing-tile p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.55;
}

.landing-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 16px;
  counter-reset: step;
}

.landing-steps li {
  counter-increment: step;
  padding: 18px 18px 18px 56px;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  position: relative;
}

.landing-steps li::before {
  content: counter(step);
  position: absolute;
  left: 18px;
  top: 18px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-subtle);
  color: var(--accent-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.landing-steps strong {
  display: block;
  margin-bottom: 4px;
}

.landing-steps span {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.landing-risk {
  padding: 20px 24px;
  border-color: var(--warning-bg);
}

.landing-risk p {
  color: var(--text-secondary);
  line-height: 1.55;
}

.landing-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 32px 40px;
  color: var(--text-muted);
  font-size: 0.88rem;
  border-top: 1px solid var(--border-subtle);
  max-width: 1120px;
  margin: 0 auto;
}

.landing-footer a {
  color: var(--text-secondary);
  text-decoration: none;
}

@media (max-width: 900px) {
  .landing-hero {
    grid-template-columns: 1fr;
  }

  .landing-grid {
    grid-template-columns: 1fr;
  }

  .landing-header,
  .landing-hero,
  .landing-section,
  .landing-footer {
    padding-left: 20px;
    padding-right: 20px;
  }
}