:root{--bg: #f8f9fc;--surface: #ffffff;--surface-alt: #f1f3f8;--border: #e3e7ef;--border-subtle: #edf0f7;--text-primary: #10182a;--text-secondary: #4a5468;--text-muted: #6d7689;--accent: #1a3a6b;--accent-hover: #254d8e;--accent-light: #eef3ff;--accent-ink: #ffffff;--profit: #0a9e6b;--profit-bg: #e8f8f1;--loss: #d5394a;--loss-bg: #fdeef0;--font-ui: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;--font-serif: "DM Serif Display", Georgia, serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--ease: all .15s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{background:var(--bg);color:var(--text-primary);font-family:var(--font-ui);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}#app{min-height:100vh}.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.text-muted{color:var(--text-muted)}.text-secondary{color:var(--text-secondary)}.text-profit{color:var(--profit)}.text-loss{color:var(--loss)}.card{background:var(--surface);border:1px solid var(--border);border-radius:16px}.input{width:100%;background:var(--surface-alt);border:1px solid var(--border-subtle);border-radius:10px;padding:10px 12px;font-family:var(--font-mono);font-size:14px;color:var(--text-primary);outline:none;transition:var(--ease)}.input::placeholder{color:var(--text-muted)}.input:focus{border-color:var(--accent);background:var(--surface)}.input:disabled{opacity:.6;cursor:not-allowed}.spin{width:24px;height:24px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;top:20px;right:20px;z-index:90;padding:10px 16px;border-radius:12px;font-size:14px;box-shadow:0 8px 24px #10182a24}.toast-ok{background:var(--profit-bg);color:var(--profit);border:1px solid rgba(10,158,107,.3)}.toast-err{background:var(--loss-bg);color:var(--loss);border:1px solid rgba(213,57,74,.3)}