:root{color-scheme:dark;font-family:Space Grotesk,system-ui,sans-serif;--bg: #0b0b0b;--ink: #f5f5f5;--muted: #9b9b9b;--accent: #c14d2a;--accent-2: #2a6cc1;--panel: #0d0d0d;--border: #1c1c1c}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top,#1b1b1b,#0d0d0d 60%,#050505);color:var(--ink);min-height:100vh}main{max-width:960px;margin:0 auto;padding:48px 20px 64px}.header{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--border);padding-bottom:24px}h1{margin:0;font-size:clamp(2rem,3vw,3rem);letter-spacing:-.02em}h2{margin:0 0 12px;font-size:1.35rem}.card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:0 12px 30px #00000073}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:24px}button{border:1px solid #2a2a2a;border-radius:999px;padding:12px 20px;background:#1f1f1f;color:var(--ink);font-weight:600;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease}button.secondary{background:#1f1f1f}button:hover{transform:translateY(-1px);box-shadow:0 8px 16px #0006}input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:12px;font-size:1rem;background:#141414;color:var(--ink)}label{font-size:.9rem;color:var(--muted)}.muted{color:var(--muted);margin:4px 0 0}.form{display:grid;gap:16px}.error{color:#a82214;font-weight:600}.fade-in{animation:fadeIn .5s ease-out}.session-panel{margin-top:28px}.session-header{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}.session-status{background:#141414;color:var(--ink);border:1px solid var(--border);box-shadow:none}.session-status.active{background:#2a6cc133;border-color:#2a6cc180}.session-status.inactive{background:#c14d2a33;border-color:#c14d2a80}.session-status:disabled{cursor:default;transform:none;box-shadow:none;opacity:.85}.session-meta{display:flex;flex-wrap:wrap;gap:16px;color:var(--muted);font-size:.95rem}.options-card{background:var(--panel);color:var(--ink);border-color:var(--border)}.options-card .muted{color:var(--muted)}.options-card .session-header{border-bottom:1px solid var(--border);padding-bottom:16px}.options-card .session-header button{background:#1f1f1f;color:var(--ink);border:1px solid #2a2a2a}.options-card .session-header button:disabled{opacity:.6}.stocks-card .session-header{border-bottom:1px solid var(--border);padding-bottom:16px}.stocks-list{margin-top:12px;display:grid}.stock-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 4px;border-bottom:1px solid var(--border)}.stock-row:last-child{border-bottom:none}.stock-left{display:grid;gap:4px}.stock-title{font-weight:600}.stock-subtitle{color:#8a8a8a;font-size:.9rem}.stock-right{text-align:right;display:grid;gap:6px}.stock-price{font-weight:600}.options-list{margin-top:12px;display:grid}.option-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 4px;border-bottom:1px solid var(--border)}.option-row:last-child{border-bottom:none}.option-left{display:grid;gap:4px}.option-title{font-weight:600}.option-subtitle{color:#8a8a8a;font-size:.9rem}.option-right{text-align:right;display:grid;gap:6px}.option-price{font-weight:600}.option-change{font-weight:600;font-size:.9rem}.option-change.negative{color:#3ed061}.option-change.positive{color:#ff6b6b}@media (max-width: 700px){.option-row{flex-direction:column;align-items:flex-start}.option-right{text-align:left}.stock-row{flex-direction:column;align-items:flex-start}.stock-right{text-align:left}}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}