:root{color-scheme:light;--bg:#f4f6f3;--panel:#fff;--ink:#17231e;--muted:#6b7771;--line:#dce2dd;--accent:#176b57;--accent-soft:#e6f1ed;--gain:#087a4b;--loss:#c43d3d;--inactive:#8a948f;--shadow:0 8px 24px rgba(23,35,30,.07)}
*{box-sizing:border-box}body{margin:0;min-width:320px;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",sans-serif}button,input,textarea,select{font:inherit}button,select,.file-button{min-height:42px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--ink);padding:0 14px;cursor:pointer}.app-header{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 max(18px,calc((100% - 1120px)/2));background:#fff;border-bottom:1px solid var(--line)}.app-header>div{display:flex;align-items:center;gap:10px}.brand-mark{display:grid;place-items:center;width:30px;height:30px;background:var(--accent);color:#fff;border-radius:7px;font-weight:800}.save-status,.muted{color:var(--muted);font-size:.82rem}.shell{width:min(1120px,100%);margin:auto;padding:20px}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:24px}.tab{border:0;border-radius:0;background:transparent;color:var(--muted);font-weight:700}.tab.active{color:var(--accent);box-shadow:inset 0 -3px var(--accent)}.view{display:none}.view.active{display:block}.page-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}.page-title p{margin:0 0 4px;color:var(--muted);font-size:.72rem;font-weight:800}.page-title h1{margin:0;font-size:1.65rem;letter-spacing:0}.date-nav{display:flex;align-items:center;gap:7px}.date-nav button{width:42px;padding:0;font-size:1.5rem}.date-nav input{min-height:42px;border:1px solid var(--line);border-radius:7px;padding:0 10px;background:#fff}.strategy-inputs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.strategy-card,.panel,.stat{background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.strategy-card{padding:16px}.strategy-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.strategy-name{font-weight:750}.status-toggle{display:flex;background:#eef1ee;border-radius:7px;padding:3px}.status-toggle button{min-height:34px;border:0;background:transparent;padding:0 10px;color:var(--muted)}.status-toggle button.active{background:#fff;color:var(--accent);box-shadow:0 1px 5px rgba(0,0,0,.12)}.pnl-field{display:grid;gap:6px;margin-top:14px}.pnl-field span,.note-field span{font-size:.78rem;color:var(--muted)}.pnl-field input,.note-field textarea{width:100%;border:1px solid var(--line);border-radius:7px;padding:11px;background:#fbfcfb}.pnl-field input:disabled{background:#f0f2f0;color:var(--inactive)}.note-field{display:grid;gap:6px;margin-top:14px}.form-footer{display:flex;justify-content:space-between;align-items:center;margin-top:14px}.primary{border-color:var(--accent);background:var(--accent);color:#fff;font-weight:750;min-width:120px}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:14px}.stat{padding:14px}.stat span{display:block;color:var(--muted);font-size:.76rem}.stat strong{display:block;margin-top:8px;font-size:1.35rem;font-variant-numeric:tabular-nums}.panel{padding:16px;margin-top:14px}.panel h2{margin:0 0 14px;font-size:1rem}.chart-panel canvas{display:block;width:100%;height:280px;background:#fbfcfb;border:1px solid var(--line);border-radius:6px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;min-width:720px}th,td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line);font-size:.86rem}th{color:var(--muted);font-size:.74rem}.numeric{text-align:right;font-variant-numeric:tabular-nums}.gain{color:var(--gain);font-weight:700}.loss{color:var(--loss);font-weight:700}.inactive{color:var(--inactive)}.date-link{border:0;background:transparent;padding:0;min-height:0;color:var(--accent);font-weight:700}.toolbar{display:flex;gap:7px}.file-button{display:grid;place-items:center;position:relative;overflow:hidden}.file-button input{position:absolute;inset:0;opacity:0}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);background:#17231e;color:#fff;border-radius:7px;padding:10px 16px;opacity:0;pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:760px){.shell{padding:14px}.app-header{padding:0 14px}.strategy-inputs{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}.page-title{align-items:stretch;flex-direction:column}.date-nav{display:grid;grid-template-columns:42px minmax(0,1fr) 42px}.date-nav input{min-width:0}.toolbar{display:grid;grid-template-columns:repeat(3,1fr)}.chart-panel canvas{height:230px}}
@media(max-width:480px){.stats-grid{grid-template-columns:1fr}.strategy-card{padding:14px}.save-status{display:none}.form-footer{align-items:stretch;flex-direction:column;gap:10px}.primary{width:100%}}
.chart-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.chart-heading h2{margin-bottom:14px}.chart-legend{display:flex;gap:14px;margin-bottom:14px;color:var(--muted);font-size:.75rem}.chart-legend span{display:flex;align-items:center;gap:6px}.chart-legend span::before{content:"";display:block;width:18px}.legend-line::before{height:3px;background:var(--accent)}.legend-bar::before{height:10px;background:#9eb9ae}.chart-panel canvas{height:320px}
@media(max-width:760px){.chart-panel canvas{height:240px}}
.account-area{display:flex;align-items:center;gap:10px}.account-button{min-height:34px;padding:0 10px;color:var(--accent)}.auth-dialog{width:min(430px,calc(100% - 28px));border:1px solid var(--line);border-radius:8px;padding:0;box-shadow:0 24px 70px rgba(0,0,0,.22)}.auth-dialog::backdrop{background:rgba(23,35,30,.45)}.auth-form,.signed-in-panel{padding:20px}.dialog-title{display:flex;align-items:start;justify-content:space-between}.dialog-title p{margin:0 0 4px;color:var(--muted);font-size:.72rem;font-weight:800}.dialog-title h2,.signed-in-panel h2{margin:0}.dialog-title button{min-height:34px;width:34px;padding:0;font-size:1.3rem}.auth-copy{color:var(--muted);font-size:.88rem}.auth-form label{display:grid;gap:6px;margin-top:12px}.auth-form label span{color:var(--muted);font-size:.78rem}.auth-form input{width:100%;border:1px solid var(--line);border-radius:7px;padding:11px}.auth-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:16px}.auth-error{min-height:20px;margin:8px 0 0;color:var(--loss);font-size:.82rem}.cloud-online{color:var(--gain)}