:root {
  --bg:        #0d1117;
  --bg2:       #161b22;
  --bg3:       #21262d;
  --border:    #30363d;
  --text:      #e6edf3;
  --text2:     #8b949e;
  --green:     #3fb950;
  --green-dim: #1a4731;
  --red:       #f85149;
  --red-dim:   #4a1b1a;
  --yellow:    #d29922;
  --blue:      #388bfd;
  --accent:    #58a6ff;
  --radius:    6px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  font-size: 13px;
  overflow: hidden;
}

/* ── Layout ──────────────────────────────────────────────────────────────── */

.layout {
  display: grid;
  grid-template-rows: 48px 1fr;
  grid-template-columns: 240px 1fr;
  height: 100vh;
  transition: grid-template-columns .2s ease;
}
.layout.sidebar-collapsed {
  grid-template-columns: 0px 1fr;
}
.layout.sidebar-collapsed #sidebar {
  overflow: hidden;
  border-right: none;
}

/* ── Header ──────────────────────────────────────────────────────────────── */

header {
  grid-column: 1 / -1;
  height: 48px;
  flex-shrink: 0;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 16px;
}

header .logo {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .3px;
  flex-shrink: 0;
}

.conn-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text2);
}

.conn-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--red);
  transition: background .3s;
}
.conn-dot.connected    { background: var(--green); }
.conn-dot.reconnecting { background: var(--yellow); animation: pulse 1s infinite; }

@keyframes pulse { 0%,100% { opacity:1 } 50% { opacity:.4 } }

.balance-strip {
  display: flex;
  gap: 20px;
  margin-left: auto;
  align-items: center;
}

.bal-item { display: flex; flex-direction: column; align-items: flex-end; }
.bal-label { font-size: 10px; color: var(--text2); text-transform: uppercase; }
.bal-value { font-size: 14px; font-weight: 600; color: var(--text); font-variant-numeric: tabular-nums; }

.auto-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 10px;
  cursor: pointer;
  user-select: none;
  font-size: 12px;
}
.auto-toggle.active {
  border-color: var(--green);
  color: var(--green);
}
.auto-toggle .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--text2);
}
.auto-toggle.active .dot { background: var(--green); }

.nav-link {
  color: var(--text2);
  text-decoration: none;
  font-size: 12px;
  padding: 4px 8px;
  border-radius: var(--radius);
}
.nav-link:hover { background: var(--bg3); color: var(--text); }
.nav-link.active { color: var(--accent); }

/* ── Sidebar ─────────────────────────────────────────────────────────────── */

#sidebar {
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-header {
  padding: 8px 10px 6px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar-header h3 {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text2);
  letter-spacing: .5px;
}

.spread-filter {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text2);
}
.spread-filter input[type=range] {
  width: 80px;
  accent-color: var(--accent);
}

.asset-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

.asset-item {
  display: flex;
  align-items: center;
  padding: 7px 10px;
  cursor: pointer;
  border-left: 3px solid transparent;
  gap: 8px;
  transition: background .1s;
}
.asset-item:hover { background: var(--bg3); }
.asset-item.selected {
  background: var(--bg3);
  border-left-color: var(--accent);
}

.asset-name {
  font-weight: 600;
  font-size: 12px;
  width: 64px;
  flex-shrink: 0;
}

.signal-pill {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 5px;
  border-radius: 3px;
  letter-spacing: .3px;
  flex-shrink: 0;
  width: 44px;
  text-align: center;
}
.signal-pill.BUY     { background: var(--green-dim); color: var(--green); }
.signal-pill.SELL    { background: var(--red-dim);   color: var(--red);   }
.signal-pill.NEUTRAL { background: var(--bg); color: var(--text2); }

.strength-bar {
  flex: 1;
  height: 4px;
  background: var(--bg);
  border-radius: 2px;
  overflow: hidden;
}
.strength-fill {
  height: 100%;
  border-radius: 2px;
  transition: width .3s;
}
.BUY  .strength-fill { background: var(--green); }
.SELL .strength-fill { background: var(--red); }
.NEUTRAL .strength-fill { background: var(--text2); }

.asset-price {
  font-size: 11px;
  color: var(--text2);
  text-align: right;
  font-variant-numeric: tabular-nums;
  width: 56px;
  flex-shrink: 0;
}
.asset-price.up   { color: var(--green); }
.asset-price.down { color: var(--red); }

/* ── Main chart area ─────────────────────────────────────────────────────── */

#main {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
  position: relative;
}

.chart-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  flex-shrink: 0;
}

.chart-asset-name {
  font-size: 16px;
  font-weight: 700;
}

.chart-signal {
  font-size: 13px;
  font-weight: 600;
}
.chart-signal.BUY  { color: var(--green); }
.chart-signal.SELL { color: var(--red); }
.chart-signal.NEUTRAL { color: var(--text2); }

.chart-stats {
  display: flex;
  gap: 14px;
  margin-left: auto;
  font-size: 11px;
  color: var(--text2);
}
.chart-stats span strong { color: var(--text); }

.charts-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 8px;
  gap: 6px;
  min-height: 0;
}

.chart-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
}

.chart-wrap.macd-wrap  { flex: 0 0 22%; }
.chart-wrap.rsi-wrap   { flex: 0 0 18%; }

.chart-label {
  position: absolute;
  top: 4px;
  left: 8px;
  font-size: 10px;
  color: var(--text2);
  z-index: 1;
  text-transform: uppercase;
  letter-spacing: .4px;
}

canvas { width: 100% !important; }

.tf-btn {
  background: none;
  border: none;
  color: var(--text2);
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
}
.tf-btn.active { background: var(--bg2); color: var(--accent); }
.tf-btn:hover  { color: var(--text); }

/* ── Quick trade bar ─────────────────────────────────────────────────────── */

.quick-trade {
  border-top: 1px solid var(--border);
  background: var(--bg2);
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.qt-label { font-size: 11px; color: var(--text2); }

.qt-amounts { display: flex; gap: 4px; }

.qt-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: 4px 8px;
  cursor: pointer;
  font-size: 11px;
  transition: all .1s;
}
.qt-btn:hover    { border-color: var(--accent); }
.qt-btn.selected { border-color: var(--accent); background: #1c3353; color: var(--accent); }

.qt-dir { display: flex; gap: 6px; margin-left: 6px; }

.btn-call {
  background: var(--green-dim);
  border: 1px solid var(--green);
  color: var(--green);
  border-radius: var(--radius);
  padding: 5px 14px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  transition: opacity .15s;
}
.btn-call:hover { opacity: .8; }

.btn-put {
  background: var(--red-dim);
  border: 1px solid var(--red);
  color: var(--red);
  border-radius: var(--radius);
  padding: 5px 14px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  transition: opacity .15s;
}
.btn-put:hover { opacity: .8; }

.qt-duration { display: flex; align-items: center; gap: 4px; color: var(--text2); font-size: 11px; }
.qt-duration select {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: 3px 6px;
  font-size: 11px;
}

.open-trades {
  margin-left: auto;
  font-size: 11px;
  color: var(--text2);
}
.open-trades strong { color: var(--yellow); }

/* ── Auto-trader modal ───────────────────────────────────────────────────── */

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 100;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  width: 360px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal h2 { font-size: 14px; }

.modal-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.modal-row label { font-size: 12px; color: var(--text2); }

.modal-row input[type=number],
.modal-row input[type=text],
.modal-row select {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: 5px 8px;
  font-size: 12px;
  width: 110px;
  text-align: right;
}

.modal-row input:focus { outline: 1px solid var(--accent); }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
}

.btn-save {
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: var(--radius);
  padding: 6px 16px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.btn-cancel {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: 6px 16px;
  font-size: 12px;
  cursor: pointer;
}

/* ── Toast notifications ─────────────────────────────────────────────────── */

#toasts {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 200;
}

.toast {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 12px;
  min-width: 200px;
  animation: slide-in .2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}
.toast.win  { border-left: 3px solid var(--green); }
.toast.loss { border-left: 3px solid var(--red); }
.toast.info { border-left: 3px solid var(--blue); }
.toast.warn { border-left: 3px solid var(--yellow); }

@keyframes slide-in {
  from { transform: translateX(40px); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* ── Trades page ─────────────────────────────────────────────────────────── */

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

.trades-main {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
}

.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text2);
  padding: 8px 14px;
  cursor: pointer;
  font-size: 13px;
  margin-bottom: -1px;
}
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

.stats-row {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  min-width: 120px;
}
.stat-card .s-label { font-size: 10px; color: var(--text2); text-transform: uppercase; margin-bottom: 4px; }
.stat-card .s-value { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }
.s-value.pos { color: var(--green); }
.s-value.neg { color: var(--red); }

.trades-table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}
th {
  text-align: left;
  padding: 8px 10px;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text2);
  border-bottom: 1px solid var(--border);
  letter-spacing: .4px;
}
td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
}
tr:hover td { background: var(--bg2); }

.badge-call { color: var(--green); font-weight: 600; }
.badge-put  { color: var(--red);   font-weight: 600; }
.badge-win  { color: var(--green); }
.badge-loss { color: var(--red); }
.badge-pending { color: var(--yellow); }

/* ── Scrollbar ───────────────────────────────────────────────────────────── */

::-webkit-scrollbar       { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── Mobile ──────────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  html, body { overflow: hidden; font-size: 12px; }

  /* Layout : une seule colonne */
  .layout {
    grid-template-rows: 44px auto 1fr auto;
    grid-template-columns: 1fr;
    height: 100dvh;
  }

  /* Header compact */
  header {
    grid-column: 1;
    padding: 0 10px;
    gap: 8px;
    overflow: hidden;
  }
  header .logo { font-size: 13px; }
  #accountBadge { display: none; }
  .conn-badge span:last-child { display: none; }
  .balance-strip { gap: 12px; margin-left: auto; }
  .bal-value { font-size: 12px; }
  .auto-toggle span:last-child { display: none; }
  .auto-toggle { padding: 4px 8px; }
  .nav-link { padding: 4px 6px; font-size: 11px; }

  /* Sidebar → bande horizontale scrollable */
  #sidebar {
    grid-column: 1;
    flex-direction: row;
    border-right: none;
    border-bottom: 1px solid var(--border);
    overflow: hidden;
    height: auto;
  }

  .sidebar-header { display: none; }

  .asset-list {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .asset-list::-webkit-scrollbar { display: none; }

  .asset-item {
    flex-direction: column;
    align-items: center;
    padding: 6px 10px;
    border-left: none;
    border-bottom: 3px solid transparent;
    gap: 3px;
    flex-shrink: 0;
    min-width: 64px;
  }
  .asset-item.selected {
    border-left-color: transparent;
    border-bottom-color: var(--accent);
  }

  .asset-name { width: auto; font-size: 11px; text-align: center; }
  .signal-pill { font-size: 9px; width: auto; padding: 1px 5px; }
  .strength-bar { display: none; }
  .asset-price { width: auto; font-size: 10px; text-align: center; }

  /* Zone principale : flex colonne, footer collé en bas */
  #main {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
  }

  .chart-header {
    flex-shrink: 0;
    padding: 5px 10px;
    gap: 8px;
    flex-wrap: wrap;
  }
  .chart-asset-name { font-size: 14px; }
  .chart-signal { font-size: 12px; }
  .chart-stats {
    width: 100%;
    margin-left: 0;
    gap: 10px;
    font-size: 10px;
  }

  /* Graphiques : container scrollable, hauteurs fixes */
  .charts-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 4px;
    gap: 4px;
    min-height: 0;
    -webkit-overflow-scrolling: touch;
  }
  .chart-wrap        { flex: none; height: 420px; }
  .chart-wrap.macd-wrap { height: 200px; }
  .chart-wrap.rsi-wrap  { height: 170px; }

  /* Quick trade : toujours visible en bas */
  .quick-trade {
    flex-shrink: 0;
    padding: 8px 10px;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .qt-label { display: none; }
  .qt-btn { padding: 6px 10px; font-size: 12px; }
  .btn-call, .btn-put {
    padding: 8px 20px;
    font-size: 13px;
    flex: 1;
    text-align: center;
  }
  .qt-duration select { padding: 5px 6px; font-size: 12px; }
  .open-trades { width: 100%; text-align: center; margin-left: 0; }

  /* Modal plein écran */
  .modal {
    width: 95vw;
    max-height: 90dvh;
    overflow-y: auto;
    padding: 18px;
  }

  /* Toasts */
  #toasts { bottom: 10px; right: 10px; left: 10px; }
  .toast { min-width: unset; font-size: 11px; }

  /* Page trades */
  .trades-main { padding: 10px; }
  .stats-row { gap: 8px; }
  .stat-card { min-width: 80px; padding: 8px 10px; }
  .stat-card .s-value { font-size: 16px; }
  th, td { padding: 6px 8px; font-size: 11px; }
}

/* ── Mobile paysage : sidebar verticale compacte ─────────────────────────── */

@media (max-width: 900px) and (orientation: landscape) {
  html, body { overflow: hidden; }

  .layout {
    grid-template-rows: 36px 1fr;
    grid-template-columns: 100px 1fr;
    height: 100dvh;
  }

  /* Header très compact */
  header {
    grid-column: 1 / -1;
    padding: 0 8px;
    gap: 8px;
    height: 36px;
  }
  header .logo { font-size: 12px; }
  #accountBadge { display: none; }
  .conn-badge span:last-child { display: none; }
  .bal-value { font-size: 11px; }
  .bal-label { display: none; }
  .balance-strip { gap: 10px; margin-left: auto; }
  .auto-toggle span:last-child { display: none; }
  .auto-toggle { padding: 3px 7px; }
  .nav-link { font-size: 11px; padding: 3px 6px; }

  /* Sidebar verticale compacte (100px) */
  #sidebar {
    grid-column: 1;
    flex-direction: column;
    border-right: 1px solid var(--border);
    border-bottom: none;
    overflow: hidden;
    height: auto;
  }

  .sidebar-header { display: none; }

  .asset-list {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 2px 0;
    scrollbar-width: none;
  }
  .asset-list::-webkit-scrollbar { display: none; }

  .asset-item {
    flex-direction: row;
    align-items: center;
    padding: 4px 6px;
    border-left: 3px solid transparent;
    border-bottom: none;
    gap: 4px;
    min-width: unset;
  }
  .asset-item.selected {
    border-left-color: var(--accent);
    border-bottom-color: transparent;
  }

  .asset-name { width: auto; font-size: 10px; flex: 1; }
  .signal-pill { font-size: 8px; width: 32px; padding: 1px 3px; }
  .strength-bar { display: none; }
  .asset-price { display: none; }

  /* Zone principale */
  #main {
    grid-column: 2;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
  }

  /* Chart header ultra compact */
  .chart-header {
    flex-shrink: 0;
    padding: 3px 8px;
    gap: 6px;
    flex-wrap: nowrap;
  }
  .chart-asset-name { font-size: 12px; }
  .chart-signal { font-size: 11px; }
  .chart-stats {
    width: auto;
    margin-left: auto;
    gap: 8px;
    font-size: 10px;
    flex-wrap: nowrap;
  }

  /* Graphiques scrollables en paysage aussi */
  .charts-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 3px;
    gap: 3px;
    min-height: 0;
    -webkit-overflow-scrolling: touch;
  }
  .chart-wrap        { flex: none; height: 300px; }
  .chart-wrap.macd-wrap { height: 160px; }
  .chart-wrap.rsi-wrap  { height: 130px; }

  /* Quick trade minimal */
  .quick-trade {
    flex-shrink: 0;
    padding: 4px 8px;
    gap: 5px;
    flex-wrap: nowrap;
  }
  .qt-label { display: none; }
  .qt-btn { padding: 4px 7px; font-size: 11px; }
  .btn-call, .btn-put { padding: 5px 12px; font-size: 12px; flex: 1; }
  .qt-duration select { padding: 3px 5px; font-size: 11px; }
  .open-trades { margin-left: 0; }
}