:root {
    --bg: #07090D;
    --surface: #0C0F15;
    --surface2: #111520;
    --border: rgba(255,255,255,0.06);
    --border-glow: rgba(245,166,35,0.25);
    --amber: #F5A623;
    --amber-dim: rgba(245,166,35,0.15);
    --amber-glow: rgba(245,166,35,0.4);
    --up: #00D68F;
    --up-dim: rgba(0,214,143,0.12);
    --down: #FF4757;
    --down-dim: rgba(255,71,87,0.12);
    --text: #E8EAF0;
    --text-dim: rgba(232,234,240,0.45);
    --text-muted: rgba(232,234,240,0.2);
    --mono: 'JetBrains Mono', monospace;
    --display: 'Syne', sans-serif;
    --radius: 14px;
    --radius-sm: 8px;
  }

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

  html, body {
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--mono);
    overflow-x: hidden;
  }

  body {
    background-image:
      radial-gradient(ellipse 80% 40% at 50% -10%, rgba(245,166,35,0.08) 0%, transparent 60%),
      radial-gradient(ellipse 60% 30% at 90% 110%, rgba(0,214,143,0.04) 0%, transparent 50%);
    min-height: 100vh;
  }

  /* Noise overlay */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.035'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1000;
    opacity: 0.6;
  }

  /* ── LAYOUT ── */
  .shell {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  /* ── TOPBAR ── */
  .topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0 4px;
    border-bottom: 1px solid var(--border);
  }

  .logo {
    font-family: var(--display);
    font-weight: 800;
    font-size: 18px;
    letter-spacing: 0.08em;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .logo-dot {
    width: 7px; height: 7px;
    background: var(--up);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--up);
    animation: pulse-dot 2s ease-in-out infinite;
  }

  @keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.7); }
  }

  .user-pill {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 14px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 12px;
    color: var(--text-dim);
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s, background 0.2s;
    appearance: none;
    -webkit-appearance: none;
  }

  .user-pill:hover {
    border-color: var(--amber);
    color: var(--amber);
    background: var(--amber-dim);
  }

  .user-pill:focus-visible {
    outline: 2px solid var(--amber);
    outline-offset: 2px;
  }

  .user-avatar {
    width: 24px; height: 24px;
    background: linear-gradient(135deg, var(--up), var(--amber));
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 10px; font-weight: 700; color: #000;
    font-family: var(--display);
  }

  /* ── MAIN GRID ── */
  .main-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 16px;
    align-items: start;
  }

  .panel-grid {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 16px;
    align-items: start;
  }

  /* ── CARDS ── */
  .card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s;
  }

  .card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.015) 0%, transparent 60%);
    pointer-events: none;
  }

  /* ── PRICE HERO ── */
  .price-hero {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 8px;
  }

  .price-label {
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 6px;
  }

  .price-main {
    font-family: var(--display);
    font-size: 54px;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1;
    color: var(--text);
    transition: color 0.4s;
  }

  .price-unit {
    font-size: 20px;
    color: var(--text-dim);
    font-weight: 400;
    margin-left: 4px;
  }

  .price-change {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.03em;
    margin-top: 8px;
    transition: all 0.4s;
  }

  .price-change.up {
    background: var(--up-dim);
    color: var(--up);
    border: 1px solid rgba(0,214,143,0.2);
  }
  .price-change.down {
    background: var(--down-dim);
    color: var(--down);
    border: 1px solid rgba(255,71,87,0.2);
  }

  .trend-badge {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
  }

  .trend-label {
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
  }

  .trend-pill {
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.05em;
    font-family: var(--display);
    transition: all 0.5s;
  }

  .trend-pill.strong-up { background: var(--up-dim); color: var(--up); border: 1px solid rgba(0,214,143,0.3); }
  .trend-pill.slight-up { background: rgba(0,214,143,0.06); color: rgba(0,214,143,0.7); border: 1px solid rgba(0,214,143,0.15); }
  .trend-pill.strong-down { background: var(--down-dim); color: var(--down); border: 1px solid rgba(255,71,87,0.3); }
  .trend-pill.slight-down { background: rgba(255,71,87,0.06); color: rgba(255,71,87,0.7); border: 1px solid rgba(255,71,87,0.15); }
  .trend-pill.neutral { background: var(--amber-dim); color: var(--amber); border: 1px solid var(--border-glow); }

  /* ── COUNTDOWN ── */
  .countdown-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 16px 0 4px;
  }

  .countdown-label {
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    white-space: nowrap;
  }

  .countdown-track {
    flex: 1;
    height: 3px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
  }

  .countdown-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--amber), #ffcc44);
    border-radius: 2px;
    transition: width 1s linear;
    box-shadow: 0 0 8px var(--amber-glow);
  }

  .countdown-time {
    font-size: 11px;
    color: var(--amber);
    min-width: 32px;
    text-align: right;
  }

  /* ── CHART ── */
  .chart-wrapper {
    position: relative;
    margin-top: 16px;
    height: 160px;
  }

  #marketChart {
    width: 100%;
    height: 100%;
    display: block;
  }

  .chart-crosshair {
    position: absolute;
    top: 0; bottom: 0;
    width: 1px;
    background: rgba(245,166,35,0.3);
    pointer-events: none;
    display: none;
    transition: left 0.05s;
  }

  .chart-tooltip {
    position: absolute;
    top: 0;
    background: var(--surface2);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-sm);
    padding: 5px 10px;
    font-size: 11px;
    color: var(--amber);
    pointer-events: none;
    display: none;
    white-space: nowrap;
    transform: translateX(-50%);
  }

  /* ── RIGHT COLUMN ── */
  .right-col { display: flex; flex-direction: column; gap: 16px; }

  /* ── BALANCE CARDS ── */
  .balance-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .balance-card {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    position: relative;
    overflow: hidden;
  }

  .balance-card::after {
    content: '';
    position: absolute;
    top: -20px; right: -20px;
    width: 60px; height: 60px;
    border-radius: 50%;
    opacity: 0.07;
    transition: opacity 0.3s;
  }

  .balance-card.credits::after { background: var(--amber); }
  .balance-card.ccoin::after { background: var(--up); }

  .balance-label {
    font-size: 9px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 8px;
  }

  .balance-value {
    font-family: var(--display);
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.02em;
    transition: all 0.3s;
  }

  .balance-card.credits .balance-value { color: var(--amber); }
  .balance-card.ccoin .balance-value { color: var(--up); }

  .balance-sub {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 3px;
  }

  /* ── ACTION PANEL ── */
  .action-panel .card { padding: 20px; }

  .action-title {
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 16px;
  }

  .qty-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
  }

  .qty-btn {
    width: 32px; height: 32px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 16px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s;
    font-family: var(--mono);
    user-select: none;
  }

  .qty-btn:hover {
    background: var(--amber-dim);
    border-color: var(--amber);
    color: var(--amber);
  }

  .qty-input {
    flex: 1;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: var(--mono);
    font-size: 18px;
    font-weight: 600;
    text-align: center;
    padding: 6px;
    outline: none;
    transition: border-color 0.2s;
  }

  .qty-input:focus { border-color: var(--amber); }

  .qty-presets {
    display: flex;
    gap: 6px;
    margin-bottom: 16px;
  }

  .qty-preset {
    flex: 1;
    padding: 5px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-dim);
    font-size: 10px;
    letter-spacing: 0.05em;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
    font-family: var(--mono);
  }

  .qty-preset:hover {
    border-color: var(--amber);
    color: var(--amber);
  }

  .cost-preview {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    background: var(--surface2);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 11px;
  }

  .cost-label { color: var(--text-muted); }
  .cost-value { color: var(--text); font-weight: 600; }

  .action-btns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .btn-buy, .btn-sell {
    padding: 14px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--display);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
  }

  .btn-buy {
    background: linear-gradient(135deg, rgba(0,214,143,0.2), rgba(0,214,143,0.1));
    border: 1px solid rgba(0,214,143,0.4);
    color: var(--up);
  }

  .btn-buy:hover {
    background: linear-gradient(135deg, rgba(0,214,143,0.35), rgba(0,214,143,0.2));
    box-shadow: 0 0 20px rgba(0,214,143,0.2);
    transform: translateY(-1px);
  }

  .btn-sell {
    background: linear-gradient(135deg, rgba(255,71,87,0.2), rgba(255,71,87,0.1));
    border: 1px solid rgba(255,71,87,0.4);
    color: var(--down);
  }

  .btn-sell:hover {
    background: linear-gradient(135deg, rgba(255,71,87,0.35), rgba(255,71,87,0.2));
    box-shadow: 0 0 20px rgba(255,71,87,0.2);
    transform: translateY(-1px);
  }

  .btn-buy:active, .btn-sell:active { transform: translateY(0) scale(0.98); }

  /* Ripple */
  .ripple {
    position: absolute;
    border-radius: 50%;
    transform: scale(0);
    animation: ripple-anim 0.5s linear;
    pointer-events: none;
  }
  .btn-buy .ripple { background: rgba(0,214,143,0.3); }
  .btn-sell .ripple { background: rgba(255,71,87,0.3); }

  @keyframes ripple-anim {
    to { transform: scale(4); opacity: 0; }
  }

  /* ── FLASH OVERLAY ── */
  .price-flash {
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.1s;
  }
  .price-flash.flash-up { background: rgba(0,214,143,0.06); opacity: 1; animation: flash 0.5s forwards; }
  .price-flash.flash-down { background: rgba(255,71,87,0.06); opacity: 1; animation: flash 0.5s forwards; }
  @keyframes flash { 0% { opacity: 1; } 100% { opacity: 0; } }

  /* ── TOAST ── */
  .toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .toast {
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.03em;
    animation: toast-in 0.3s cubic-bezier(0.34,1.56,0.64,1) forwards,
               toast-out 0.3s ease 2.5s forwards;
    display: flex;
    align-items: center;
    gap: 8px;
    max-width: 280px;
    backdrop-filter: blur(10px);
  }

  .toast.success {
    background: rgba(0,214,143,0.15);
    border: 1px solid rgba(0,214,143,0.3);
    color: var(--up);
  }
  .toast.error {
    background: rgba(255,71,87,0.15);
    border: 1px solid rgba(255,71,87,0.3);
    color: var(--down);
  }
  .toast.info {
    background: rgba(245,166,35,0.1);
    border: 1px solid var(--border-glow);
    color: var(--amber);
  }

  @keyframes toast-in {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
  }
  @keyframes toast-out {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(20px); }
  }

  /* ── HISTORY ── */
  .history-card { padding: 20px; }

  .history-title {
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .history-clear {
    font-size: 9px;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.2s;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    background: none;
    font-family: var(--mono);
  }
  .history-clear:hover { color: var(--down); }

  .history-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 180px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
  }

  .history-empty {
    text-align: center;
    color: var(--text-muted);
    font-size: 11px;
    padding: 20px 0;
    letter-spacing: 0.05em;
  }

  .history-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: var(--surface2);
    border-radius: var(--radius-sm);
    font-size: 11px;
    animation: history-slide 0.3s ease;
  }

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

  .history-type {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 2px 7px;
    border-radius: 3px;
    min-width: 36px;
    text-align: center;
  }
  .history-type.buy { background: var(--up-dim); color: var(--up); }
  .history-type.sell { background: var(--down-dim); color: var(--down); }

  .history-info { flex: 1; }
  .history-qty { color: var(--text); font-weight: 600; }
  .history-price { color: var(--text-dim); }

  .history-pnl {
    font-size: 10px;
    font-weight: 600;
    text-align: right;
    min-width: 50px;
  }
  .history-pnl.pos { color: var(--up); }
  .history-pnl.neg { color: var(--down); }
  .history-pnl.neutral { color: var(--text-muted); }

  .history-time { color: var(--text-muted); font-size: 10px; min-width: 40px; text-align: right; }

  .panel-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .panel-denied-message {
    color: var(--down);
    text-align: center;
    font-size: 12px;
    letter-spacing: 0.05em;
    padding: 6px 4px;
  }

  .panel-table-wrap {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: auto;
    max-height: 420px;
    background: var(--surface2);
    -webkit-overflow-scrolling: touch;
  }

  .panel-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 11px;
    min-width: 720px;
  }

  .panel-table th,
  .panel-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    white-space: nowrap;
  }

  .panel-table th {
    color: var(--text-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 9px;
    background: rgba(255, 255, 255, 0.02);
    position: sticky;
    top: 0;
    z-index: 1;
  }

  .panel-table td {
    color: var(--text);
  }

  .panel-delete-btn {
    border: 1px solid rgba(255, 71, 87, 0.35);
    background: rgba(255, 71, 87, 0.1);
    color: var(--down);
    border-radius: 999px;
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.05em;
    padding: 6px 10px;
    cursor: pointer;
    transition: all 0.2s;
  }

  .panel-delete-btn:hover {
    background: rgba(255, 71, 87, 0.2);
    border-color: rgba(255, 71, 87, 0.55);
  }

  .panel-delete-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
  }

  /* ── BOTTOM STATS ── */
  .stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
  }

  .stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
  }

  .stat-label {
    font-size: 9px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 6px;
  }

  .stat-value {
    font-family: var(--display);
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
  }

  .stat-value.amber { color: var(--amber); }
  .stat-value.up { color: var(--up); }
  .stat-value.down { color: var(--down); }

  /* Scrollbar */
  ::-webkit-scrollbar { width: 4px; }
  ::-webkit-scrollbar-track { background: transparent; }
  ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

  /* Number flip animation */
  .num-flip { animation: num-flip 0.3s ease; }
  @keyframes num-flip {
    0% { transform: translateY(-4px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
  }

  /* Chart glow */
  .chart-container { position: relative; }

  .chart-glow {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 40px;
    pointer-events: none;
  }

  /* ── MARKET INFO CARD ── */
  .market-info-card { padding: 18px; }

  /* Handle visible uniquement mobile */
  .action-drawer-handle { display: none; }

  /* ── RESPONSIVE ────────────────────────────── */

  /* Tablet */
  @media (max-width: 1024px) {
    .main-grid { grid-template-columns: 1fr 300px; }
    .panel-grid { grid-template-columns: 1fr; }
    .price-main { font-size: 44px; }
    .balance-value { font-size: 18px; }
  }

  /* Mobile */
  @media (max-width: 768px) {

    .shell {
      padding: 0 14px 100px; /* 100px bottom = espace pour la barre d'action fixe */
      gap: 12px;
    }

    /* Topbar compacte */
    .topbar { padding: 14px 0 4px; }
    .logo { font-size: 15px; }
    .user-pill { padding: 5px 10px; font-size: 11px; }

    /* Grid → colonne unique */
    .main-grid {
      grid-template-columns: 1fr;
      gap: 12px;
    }

    /* Réorganisation mobile : on force l'ordre via order */
    .main-grid > div:first-child { order: 1; } /* colonne chart */
    .right-col { order: 0; }                   /* balances + action remontent */

    /* Prix plus compact */
    .price-main { font-size: 31px; }
    .price-hero { gap: 8px; }
    .card { padding: 16px; }

    /* Graphique un peu plus haut sur mobile pour la lisibilité */
    .chart-wrapper { height: 140px; }

    /* Stats 2×2 */
    .stats-row {
      grid-template-columns: repeat(2, 1fr);
      gap: 8px;
    }
    .stat-value { font-size: 16px; }

    /* Balances côte à côte, prennent toute la largeur */
    .balance-row { grid-template-columns: 1fr 1fr; }
    .balance-value { font-size: 18px; }

    /* Handle drawer visible sur mobile */
    .action-drawer-handle { display: flex; position: relative; }

    /* Zone d'action fixée en bas de l'écran sur mobile */
    .action-panel {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 100;
      padding: 0;
      transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
    }

    /* État replié — on ne cache que le contenu, le handle reste visible */
    .action-panel.collapsed {
      transform: translateY(calc(100% - 46px));
    }

    .action-panel .card {
      border-radius: 16px 16px 0 0;
      border-bottom: none;
      padding: 0 16px 20px;
      background: rgba(12, 15, 21, 0.97);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      box-shadow: 0 -1px 0 var(--border), 0 -20px 40px rgba(0,0,0,0.5);
    }

    /* Handle — la zone cliquable visible même quand replié */
    .action-drawer-handle {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 0 12px;
      cursor: pointer;
      user-select: none;
    }

    .action-drawer-bar {
      width: 36px;
      height: 3px;
      background: var(--border);
      border-radius: 2px;
      margin: 0 auto 0 auto;
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      top: 10px;
    }

    .action-drawer-label {
      font-size: 10px;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--text-muted);
    }

    .action-drawer-chevron {
      font-size: 11px;
      color: var(--text-muted);
      transition: transform 0.3s ease;
    }

    .action-panel.collapsed .action-drawer-chevron {
      transform: rotate(180deg);
    }

    /*update action pannel*/

    .action-panel.collapsed .btn-buy,
    .action-panel.collapsed .btn-sell,
    .action-panel.collapsed .qty-btn,
    .action-panel.collapsed .qty-preset {
      pointer-events: none;
    }

    /* Sur mobile on compacte la zone d'action */
    .action-title { display: none; } /* remplacé par le handle */
    .qty-row { margin-bottom: 10px; }
    .qty-presets { margin-bottom: 10px; }
    .cost-preview { margin-bottom: 10px; padding: 8px 10px; }

    /* Shell prend en compte la hauteur du drawer ouvert ou fermé */
    .shell { padding-bottom: 220px; }
    .shell.drawer-collapsed { padding-bottom: 50px; }

    /* Boutons buy/sell plus grands sur mobile (touch) */
    .btn-buy, .btn-sell { padding: 16px; font-size: 15px; }

    /* Qty buttons plus grands */
    .qty-btn { width: 40px; height: 40px; font-size: 18px; }
    .qty-input { font-size: 20px; padding: 8px; }

    /* Market info card */
    .market-info-card { padding: 14px; }

    /* History compacte */
    .history-card { padding: 14px !important; }
    .history-list { max-height: 140px; }

    /* Toast repositionné en haut centré sur mobile */
    .toast-container {
      top: auto;
      bottom: 160px; /* au-dessus de la barre d'action fixe */
      right: 14px;
      left: 14px;
      align-items: center;
    }

    .toast {
      width: 100%;
      max-width: 100%;
      justify-content: center;
    }

    /* Countdown label caché sur mobile pour gagner de la place */
    .countdown-label { display: none; }

    /* Pannel: pas de faux espace drawer et tableau lisible */
    body.panel-page .shell {
      padding: 0 14px 24px;
    }

    body.panel-page .panel-table {
      min-width: 620px;
      font-size: 10px;
    }

    body.panel-page .panel-table th,
    body.panel-page .panel-table td {
      padding: 8px 10px;
    }

    body.panel-page .panel-delete-btn {
      padding: 5px 8px;
      font-size: 9px;
    }

    body.panel-page .history-card {
      padding: 14px !important;
    }
  }

  /* Très petits écrans */
  @media (max-width: 380px) {
    .price-main { font-size: 31px; }
    .balance-value { font-size: 15px; }
    .shell { padding: 0 10px 100px; }

    body.panel-page .shell { padding: 0 10px 16px; }
    body.panel-page .panel-table { min-width: 560px; }
  }

  /* AUTH + BOOT */
  body.booting #authRoot,
  body.booting #appRoot,
  body.booting #panelDenied,
  body.booting #panelRoot {
    visibility: hidden;
  }

  .auth-root {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px 16px;
  }

  .auth-wrap {
    width: 100%;
    max-width: 430px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    align-items: center;
  }

  .auth-logo {
    font-family: var(--display);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 36px;
    font-weight: 800;
    display: inline-flex;
    gap: 8px;
  }

  .auth-logo span:first-child { color: var(--text); }
  .auth-logo span:last-child { color: var(--up); }

  .auth-tagline {
    color: var(--text-dim);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .auth-card {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    box-shadow: 0 14px 42px rgba(0, 0, 0, 0.32);
  }

  .auth-toggle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 12px;
  }

  .auth-toggle-btn {
    appearance: none;
    border: 1px solid var(--border);
    background: var(--surface2);
    color: var(--text-dim);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    font-family: var(--display);
    font-size: 12px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
  }

  .auth-toggle-btn.active {
    border-color: var(--up-glow);
    background: var(--up-dim);
    color: var(--up);
  }

  .auth-form-shell {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px;
  }

  .auth-form {
    display: none;
    gap: 10px;
    flex-direction: column;
  }

  .auth-form.active {
    display: flex;
  }

  .form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .form-label {
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
  }

  .form-input {
    background: #0a0e15;
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    font-family: var(--mono);
    font-size: 13px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
  }

  .form-input:focus {
    border-color: var(--text);
    box-shadow: 0 0 0 3px var(--border-dim);
  }

  .auth-help {
    color: var(--text-muted);
    font-size: 10px;
  }

  .auth-pwd-wrap {
    position: relative;
  }

  .auth-pwd-input {
    padding-right: 82px;
  }

  .auth-eye {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-dim);
    font-size: 10px;
    text-transform: uppercase;
    border-radius: 999px;
    padding: 5px 9px;
    cursor: pointer;
    letter-spacing: 0.08em;
  }

  .pwd-strength {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 5px;
    margin-top: 6px;
  }

  .pwd-seg {
    height: 4px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
  }

  .pwd-seg.is-weak { background: var(--down); }
  .pwd-seg.is-medium { background: var(--amber); }
  .pwd-seg.is-strong { background: var(--up); }

  .auth-error {
    min-height: 16px;
    font-size: 11px;
    color: var(--down);
    line-height: 1.4;
  }

  .btn {
    appearance: none;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--display);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  }

  .btn:active { transform: scale(0.99); }

  .btn-full {
    width: 100%;
    padding: 12px 14px;
  }

  .btn-gold {
    background: linear-gradient(135deg, rgba(0,214,143,0.2), rgba(0,214,143,0.1));
    color: var(--up);
    border-color: var(--text-glow);
    color: var(--text);
    box-shadow: 0 0 0 0 rgba(245, 166, 35, 0);
  }

  .btn-gold:hover {
    box-shadow: 0 0 20px var(--surface2);
  }

  .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }

  @media (max-width: 520px) {
    .auth-card {
      padding: 12px;
    }
    .auth-form-shell {
      padding: 10px;
    }
    .auth-logo {
      font-size: 30px;
    }
  }

  #authRoot[hidden],
  #panelDenied[hidden],
  #panelRoot[hidden],
  #appRoot[hidden] {
    display: none !important;
  }