:root{--bg:#fff;--surface:#fff;--surface-alt:#f5f5f5;--hover-bg:#f0f4ff;--border:#eee;--border-strong:#ccc;--text:#1a1a1a;--text-secondary:#444;--text-muted:#666;--text-faint:#999;--accent:#2563eb;--accent-hover:#1d4ed8;--up:#16a34a;--up-hover:#15803d;--down:#dc2626;--down-hover:#b91c1c;--shadow:#0000001a;--shadow-strong:#00000026;--overlay-backdrop:#0f11158c;--buy:#2563eb;--buy-hover:#1d4ed8;--sell:#f4511e;--sell-hover:#d84315;--brand-logo:#1a5fa8}:root[data-theme=dark]{--bg:#0f1115;--surface:#1a1d24;--surface-alt:#22262f;--hover-bg:#232a3d;--border:#2a2e38;--border-strong:#3a3f4b;--text:#e8eaed;--text-secondary:#c3c7ce;--text-muted:#9aa0ab;--text-faint:#6b7280;--shadow:#0006;--shadow-strong:#0000008c;--overlay-backdrop:#000000b3;--brand-logo:#3a70b5}body{background:var(--bg);color:var(--text);margin:0;transition:background-color .2s,color .2s}.chart-loading-spinner{border:2px solid var(--border-strong);border-top-color:var(--accent);border-radius:50%;width:14px;height:14px;animation:.7s linear infinite chart-loading-spin}@keyframes chart-loading-spin{to{transform:rotate(360deg)}}.btn{height:34px;font:inherit;cursor:pointer;border:1px solid #0000;border-radius:4px;justify-content:center;align-items:center;gap:6px;padding:0 16px;font-size:.85rem;font-weight:500;transition:background .12s,border-color .12s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-danger{background:var(--down);color:#fff}.btn-danger:hover:not(:disabled){background:var(--down-hover)}.btn-outline{border-color:var(--border-strong);background:var(--surface);color:var(--text-secondary)}.btn-outline:hover:not(:disabled){background:var(--hover-bg)}.btn-danger-outline{color:var(--down);background:0 0;border-color:#dc262673}.btn-danger-outline:hover:not(:disabled){background:#dc262614}.btn-small{height:26px;padding:0 10px;font-size:.75rem}.btn-block{width:100%}.link-btn{color:var(--accent);font:inherit;text-align:left;cursor:pointer;background:0 0;border:none;padding:0;font-size:.8rem}.link-btn:hover{text-decoration:underline}*{box-sizing:border-box}body{color:#1a1a1a;margin:0}#root{min-height:100vh}input[type=number]{appearance:textfield}input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=checkbox]{appearance:none;border:1.5px solid var(--border-strong,#cbd5e1);background-color:var(--surface,#fff);vertical-align:middle;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='white' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3.5 8.5l3 3 6-7'/%3E%3C/svg%3E");background-position:50%;background-repeat:no-repeat;background-size:0 0;border-radius:4px;flex-shrink:0;width:16px;height:16px;margin:0;transition:background-color .15s,border-color .15s,box-shadow .15s,background-size .2s cubic-bezier(.34,1.56,.64,1)}input[type=checkbox]:hover{border-color:var(--accent,#2563eb)}input[type=checkbox]:checked{border-color:var(--accent,#2563eb);background-color:var(--accent,#2563eb);background-size:12px 12px}input[type=checkbox]:checked:hover{background-color:var(--accent-hover,#1d4ed8);border-color:var(--accent-hover,#1d4ed8)}input[type=checkbox]:focus-visible{outline:none;box-shadow:0 0 0 3px #2563eb4d}input[type=checkbox]:disabled{opacity:.45;cursor:default}@media (prefers-reduced-motion:reduce){input[type=checkbox]{transition:none}}.auth-screen{background:radial-gradient(circle at 20% 15%, #2563eb1a, transparent 45%), radial-gradient(circle at 85% 85%, #16a34a14, transparent 40%), var(--bg);flex-direction:column;justify-content:center;align-items:center;gap:14px;min-height:100vh;padding:24px 16px;font-family:system-ui,sans-serif;display:flex}.auth-card{border:1px solid var(--border);background:var(--surface);width:100%;max-width:400px;box-shadow:0 16px 40px var(--shadow);border-radius:12px;padding:28px 28px 24px;animation:.25s cubic-bezier(.16,1,.3,1) order-modal-pop-in}.auth-brand{flex-direction:column;align-items:center;gap:4px;margin-bottom:22px;display:flex}.auth-logo{color:var(--brand-logo);letter-spacing:-.01em;--brand-logo-bg:var(--surface);align-items:center;gap:8px;font-size:1.9rem;font-weight:800;display:inline-flex}.auth-tagline{color:var(--text-faint);font-size:.8rem;font-style:italic}.auth-tabs{background:var(--surface-alt);border-radius:8px;grid-template-columns:1fr 1fr;margin-bottom:20px;padding:4px;display:grid}.auth-tabs button{height:34px;color:var(--text-muted);font:inherit;cursor:pointer;background:0 0;border:none;border-radius:6px;font-size:.9rem;font-weight:600}.auth-tabs button.active{background:var(--surface);color:var(--accent);box-shadow:0 1px 3px var(--shadow)}.auth-form{flex-direction:column;gap:14px;display:flex}.auth-field{color:var(--text-secondary);flex-direction:column;gap:6px;font-size:.8rem;font-weight:500;display:flex}.auth-field input{border:1px solid var(--border-strong);background:var(--surface);width:100%;height:42px;color:var(--text);font:inherit;border-radius:6px;padding:0 12px;font-size:.95rem}.auth-field input:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px #2563eb26}.auth-password{display:block;position:relative}.auth-password input{padding-right:64px}.auth-password button{color:var(--accent);font:inherit;cursor:pointer;background:0 0;border:none;border-radius:4px;padding:4px 8px;font-size:.78rem;font-weight:600;position:absolute;top:50%;right:8px;transform:translateY(-50%)}.auth-hint{color:var(--text-faint);font-size:.75rem;font-weight:400}.auth-submit{height:42px;margin-top:4px;font-size:.95rem}.auth-error,.auth-info{border-radius:6px;margin:0;padding:8px 10px;font-size:.83rem}.auth-error{color:var(--down);background:#dc262614}.auth-info{color:var(--up);background:#16a34a14}.auth-footnote{color:var(--text-muted);text-align:center;margin:2px 0 0;font-size:.83rem}.auth-title{color:var(--text);text-align:center;margin:0;font-size:1.15rem}.auth-sub{color:var(--text-muted);text-align:center;margin:0;font-size:.85rem;line-height:1.5}.auth-code{grid-template-columns:repeat(6,1fr);gap:8px;display:grid}.auth-code input{border:1px solid var(--border-strong);background:var(--surface);width:100%;height:52px;color:var(--text);font:inherit;text-align:center;font-variant-numeric:tabular-nums;border-radius:8px;font-size:1.4rem;font-weight:700}.auth-code input:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px #2563eb26}.auth-code input:disabled{opacity:.5}.auth-row{justify-content:space-between;gap:12px;display:flex}.auth-row .link-btn:disabled{color:var(--text-faint);cursor:default;text-decoration:none}.auth-legal{color:var(--text-faint);margin:0;font-size:.75rem}.auth-checking{align-items:center;gap:12px;display:flex}.auth-checking .auth-logo{--brand-logo-bg:var(--bg)}