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| /* ═══════════════════════════════════════════════════════════════ | |
| TBS Straddle Backtest — Premium Dark Theme | |
| ═══════════════════════════════════════════════════════════════ */ | |
| /* ── CSS Tokens ──────────────────────────────────────────────── */ | |
| :root { | |
| /* surfaces */ | |
| --bg-deep: #f0f4f8; | |
| --bg-body: #f8fafc; | |
| --bg-card: rgba(255, 255, 255, 0.9); | |
| --bg-card-solid: #ffffff; | |
| --bg-sidebar: rgba(255, 255, 255, 0.95); | |
| --bg-hover: rgba(99, 102, 241, 0.08); | |
| --bg-input: rgba(0, 0, 0, 0.03); | |
| /* borders */ | |
| --border: rgba(0, 0, 0, 0.08); | |
| --border-hover: rgba(99, 102, 241, 0.4); | |
| --border-input: rgba(0, 0, 0, 0.15); | |
| /* accents */ | |
| --accent: #4f46e5; | |
| --accent-light: #6366f1; | |
| --accent-glow: rgba(79, 70, 229, 0.15); | |
| --violet: #7c3aed; | |
| --emerald: #059669; | |
| --emerald-soft: rgba(5, 150, 105, 0.12); | |
| --red: #dc2626; | |
| --red-soft: rgba(220, 38, 38, 0.12); | |
| --amber: #d97706; | |
| --amber-soft: rgba(217, 119, 6, 0.12); | |
| --cyan: #0891b2; | |
| --gold: #d97706; | |
| /* text */ | |
| --text-primary: #0f172a; | |
| --text-secondary: #334155; | |
| --text-muted: #64748b; | |
| --text-inverse: #ffffff; | |
| /* misc */ | |
| --radius: 12px; | |
| --radius-sm: 8px; | |
| --radius-lg: 16px; | |
| --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03); | |
| --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04); | |
| --glass-blur: blur(20px); | |
| --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1); | |
| /* layout */ | |
| --sidebar-w: 280px; | |
| } | |
| /* ── Reset ───────────────────────────────────────────────────── */ | |
| *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } | |
| html { font-size: 14px; scroll-behavior: smooth; } | |
| body { | |
| font-family: 'Inter', -apple-system, sans-serif; | |
| background: var(--bg-body); | |
| color: var(--text-primary); | |
| min-height: 100vh; | |
| overflow-x: hidden; | |
| } | |
| /* subtle grid background */ | |
| body::before { | |
| content: ''; | |
| position: fixed; inset: 0; | |
| background-image: | |
| radial-gradient(circle at 25% 25%, rgba(79,70,229,0.06) 0%, transparent 50%), | |
| radial-gradient(circle at 75% 75%, rgba(124,58,237,0.05) 0%, transparent 50%); | |
| pointer-events: none; z-index: 0; | |
| } | |
| /* ── Scrollbar ───────────────────────────────────────────────── */ | |
| ::-webkit-scrollbar { width: 6px; height: 6px; } | |
| ::-webkit-scrollbar-track { background: transparent; } | |
| ::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 8px; } | |
| ::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); } | |
| /* ── Loading Overlay ─────────────────────────────────────────── */ | |
| .loader-overlay { | |
| position: fixed; inset: 0; z-index: 9999; | |
| background: rgba(255, 255, 255, 0.85); | |
| backdrop-filter: var(--glass-blur); | |
| display: flex; align-items: center; justify-content: center; | |
| opacity: 1; transition: opacity 0.4s; | |
| } | |
| .loader-overlay.hidden { opacity: 0; pointer-events: none; } | |
| .loader-content { text-align: center; } | |
| .loader-spinner { | |
| width: 48px; height: 48px; margin: 0 auto 16px; | |
| border: 3px solid var(--border); | |
| border-top-color: var(--accent); | |
| border-radius: 50%; | |
| animation: spin 0.8s linear infinite; | |
| } | |
| .loader-spinner.small { width: 24px; height: 24px; margin: 0; border-width: 2px; } | |
| .loader-text { color: var(--text-secondary); font-weight: 500; } | |
| @keyframes spin { to { transform: rotate(360deg); } } | |
| .inline-loader { | |
| display: flex; align-items: center; gap: 12px; | |
| padding: 20px; color: var(--text-secondary); | |
| font-weight: 500; | |
| } | |
| /* ── Sidebar ─────────────────────────────────────────────────── */ | |
| .sidebar { | |
| position: fixed; top: 0; left: 0; bottom: 0; | |
| width: var(--sidebar-w); | |
| background: var(--bg-sidebar); | |
| backdrop-filter: var(--glass-blur); | |
| border-right: 1px solid var(--border); | |
| display: flex; flex-direction: column; | |
| z-index: 100; | |
| overflow-y: auto; | |
| } | |
| .sidebar-brand { | |
| display: flex; align-items: center; gap: 12px; | |
| padding: 24px 20px 20px; | |
| border-bottom: 1px solid var(--border); | |
| } | |
| .brand-icon { | |
| font-size: 28px; | |
| width: 44px; height: 44px; | |
| display: grid; place-items: center; | |
| background: linear-gradient(135deg, var(--accent), var(--violet)); | |
| border-radius: var(--radius); | |
| box-shadow: 0 4px 20px var(--accent-glow); | |
| } | |
| .brand-title { | |
| font-size: 1.15rem; font-weight: 700; | |
| background: linear-gradient(135deg, var(--text-primary), var(--accent-light)); | |
| -webkit-background-clip: text; -webkit-text-fill-color: transparent; | |
| } | |
| .brand-sub { font-size: 0.75rem; color: var(--text-muted); font-weight: 400; } | |
| .sidebar-section { padding: 20px; border-bottom: 1px solid var(--border); } | |
| /* ── Inputs ──────────────────────────────────────────────────── */ | |
| .input-label { | |
| display: block; font-size: 0.75rem; font-weight: 600; | |
| color: var(--text-secondary); text-transform: uppercase; | |
| letter-spacing: 0.05em; margin-bottom: 6px; margin-top: 14px; | |
| } | |
| .input-label:first-child { margin-top: 0; } | |
| .input-select, .input-text { | |
| width: 100%; padding: 10px 12px; | |
| background: var(--bg-input); color: var(--text-primary); | |
| border: 1px solid var(--border-input); border-radius: var(--radius-sm); | |
| font-family: inherit; font-size: 0.9rem; | |
| transition: border-color var(--transition), box-shadow var(--transition); | |
| outline: none; | |
| } | |
| .input-select:focus, .input-text:focus { | |
| border-color: var(--accent); | |
| box-shadow: 0 0 0 3px var(--accent-glow); | |
| } | |
| .input-select option { background: var(--bg-card-solid); color: var(--text-primary); } | |
| /* ── Buttons ─────────────────────────────────────────────────── */ | |
| .btn-primary { | |
| width: 100%; margin-top: 20px; padding: 12px; | |
| background: linear-gradient(135deg, var(--accent), var(--violet)); | |
| color: #fff; font-weight: 600; font-size: 0.95rem; | |
| border: none; border-radius: var(--radius-sm); | |
| cursor: pointer; | |
| display: flex; align-items: center; justify-content: center; gap: 8px; | |
| transition: transform var(--transition), box-shadow var(--transition); | |
| box-shadow: 0 4px 20px var(--accent-glow); | |
| } | |
| .btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 28px var(--accent-glow); } | |
| .btn-primary:active { transform: translateY(0); } | |
| .btn-primary:disabled { | |
| opacity: 0.5; cursor: not-allowed; transform: none; | |
| box-shadow: none; | |
| } | |
| .btn-icon { font-size: 0.85rem; } | |
| .btn-secondary { | |
| padding: 10px 20px; | |
| background: var(--bg-input); color: var(--text-primary); | |
| border: 1px solid var(--border-input); border-radius: var(--radius-sm); | |
| font-family: inherit; font-size: 0.85rem; font-weight: 500; | |
| cursor: pointer; transition: all var(--transition); | |
| } | |
| .btn-secondary:hover { border-color: var(--accent); background: var(--bg-hover); } | |
| .btn-secondary.active { | |
| background: linear-gradient(135deg, var(--accent), var(--violet)); | |
| border-color: transparent; color: #fff; | |
| } | |
| /* ── Navigation ──────────────────────────────────────────────── */ | |
| .sidebar-nav { padding: 16px 12px; flex: 1; } | |
| .nav-heading { | |
| font-size: 0.65rem; font-weight: 700; color: var(--text-muted); | |
| text-transform: uppercase; letter-spacing: 0.1em; | |
| padding: 0 8px 8px; margin-bottom: 4px; | |
| } | |
| .nav-btn { | |
| width: 100%; padding: 10px 12px; | |
| display: flex; align-items: center; gap: 10px; | |
| background: transparent; color: var(--text-secondary); | |
| border: none; border-radius: var(--radius-sm); | |
| font-family: inherit; font-size: 0.88rem; font-weight: 500; | |
| cursor: pointer; transition: all var(--transition); | |
| text-align: left; margin-bottom: 2px; | |
| } | |
| .nav-btn:hover { background: var(--bg-hover); color: var(--text-primary); } | |
| .nav-btn.active { | |
| background: var(--bg-hover); color: var(--accent-light); | |
| box-shadow: inset 3px 0 0 var(--accent); | |
| } | |
| .nav-icon { font-size: 1rem; width: 20px; text-align: center; } | |
| .sidebar-footer { | |
| padding: 16px 20px; | |
| border-top: 1px solid var(--border); | |
| } | |
| .data-badge { | |
| display: flex; align-items: center; gap: 8px; | |
| font-size: 0.75rem; color: var(--text-muted); | |
| } | |
| .badge-dot { | |
| width: 8px; height: 8px; border-radius: 50%; | |
| background: var(--emerald); | |
| box-shadow: 0 0 8px var(--emerald); | |
| animation: pulse-dot 2s infinite; | |
| } | |
| @keyframes pulse-dot { | |
| 0%, 100% { opacity: 1; } | |
| 50% { opacity: 0.4; } | |
| } | |
| /* ── Main ────────────────────────────────────────────────────── */ | |
| .main { | |
| margin-left: var(--sidebar-w); | |
| padding: 28px 32px; | |
| min-height: 100vh; | |
| position: relative; z-index: 1; | |
| } | |
| /* ── Welcome ─────────────────────────────────────────────────── */ | |
| .welcome-section { | |
| display: flex; align-items: center; justify-content: center; | |
| min-height: 70vh; | |
| } | |
| .welcome-card { | |
| text-align: center; max-width: 560px; | |
| padding: 48px; | |
| background: var(--bg-card); | |
| backdrop-filter: var(--glass-blur); | |
| border: 1px solid var(--border); | |
| border-radius: var(--radius-lg); | |
| box-shadow: var(--shadow); | |
| animation: fadeUp 0.6s ease-out; | |
| } | |
| .welcome-icon { font-size: 56px; margin-bottom: 20px; } | |
| .welcome-card h2 { | |
| font-size: 1.6rem; font-weight: 700; margin-bottom: 12px; | |
| background: linear-gradient(135deg, var(--text-primary), var(--accent-light)); | |
| -webkit-background-clip: text; -webkit-text-fill-color: transparent; | |
| } | |
| .welcome-card p { color: var(--text-secondary); line-height: 1.6; } | |
| .welcome-features { | |
| display: flex; flex-wrap: wrap; gap: 8px; | |
| justify-content: center; margin-top: 24px; | |
| } | |
| .feature-chip { | |
| display: flex; align-items: center; gap: 6px; | |
| padding: 6px 14px; | |
| background: var(--bg-input); border: 1px solid var(--border); | |
| border-radius: 100px; font-size: 0.8rem; | |
| color: var(--text-secondary); | |
| } | |
| @keyframes fadeUp { | |
| from { opacity: 0; transform: translateY(20px); } | |
| to { opacity: 1; transform: translateY(0); } | |
| } | |
| /* ── Cards ───────────────────────────────────────────────────── */ | |
| .card { | |
| background: var(--bg-card); | |
| backdrop-filter: var(--glass-blur); | |
| border: 1px solid var(--border); | |
| border-radius: var(--radius-lg); | |
| box-shadow: var(--shadow); | |
| margin-bottom: 24px; | |
| overflow: hidden; | |
| animation: fadeUp 0.5s ease-out both; | |
| transition: border-color var(--transition); | |
| } | |
| .card:hover { border-color: var(--border-hover); } | |
| .card-header { | |
| padding: 18px 24px; | |
| border-bottom: 1px solid var(--border); | |
| display: flex; align-items: center; justify-content: space-between; | |
| } | |
| .card-header h3 { | |
| font-size: 1rem; font-weight: 600; | |
| display: flex; align-items: center; gap: 10px; | |
| } | |
| .sort-hint { font-size: 0.75rem; color: var(--text-muted); font-weight: 400; } | |
| .sl-badge { | |
| font-size: 0.7rem; padding: 3px 10px; | |
| background: var(--accent-glow); color: var(--accent-light); | |
| border-radius: 100px; font-weight: 600; | |
| } | |
| /* ── Chart container ─────────────────────────────────────────── */ | |
| .chart-container { padding: 20px 24px; position: relative; height: 360px; } | |
| .chart-container.chart-tall { height: 440px; } | |
| /* ── Metric cards ────────────────────────────────────────────── */ | |
| .metrics-row { | |
| display: grid; | |
| grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); | |
| gap: 16px; | |
| margin-bottom: 24px; | |
| } | |
| .metric-card { | |
| padding: 20px 22px; | |
| background: var(--bg-card); | |
| backdrop-filter: var(--glass-blur); | |
| border: 1px solid var(--border); | |
| border-radius: var(--radius); | |
| box-shadow: var(--shadow); | |
| transition: all var(--transition); | |
| animation: fadeUp 0.5s ease-out both; | |
| } | |
| .metric-card:hover { | |
| transform: translateY(-3px); | |
| border-color: var(--border-hover); | |
| box-shadow: var(--shadow-lg); | |
| } | |
| .metric-label { | |
| font-size: 0.7rem; font-weight: 600; | |
| color: var(--text-muted); text-transform: uppercase; | |
| letter-spacing: 0.08em; margin-bottom: 8px; | |
| } | |
| .metric-value { | |
| font-size: 1.75rem; font-weight: 800; | |
| font-family: 'JetBrains Mono', monospace; | |
| line-height: 1; | |
| } | |
| .metric-sub { | |
| font-size: 0.75rem; color: var(--text-muted); | |
| margin-top: 6px; | |
| } | |
| .metric-card.green .metric-value { color: var(--emerald); } | |
| .metric-card.green { border-left: 3px solid var(--emerald); } | |
| .metric-card.red .metric-value { color: var(--red); } | |
| .metric-card.red { border-left: 3px solid var(--red); } | |
| .metric-card.blue .metric-value { color: var(--accent-light); } | |
| .metric-card.blue { border-left: 3px solid var(--accent); } | |
| .metric-card.amber .metric-value { color: var(--amber); } | |
| .metric-card.amber { border-left: 3px solid var(--amber); } | |
| .metric-card.cyan .metric-value { color: var(--cyan); } | |
| .metric-card.cyan { border-left: 3px solid var(--cyan); } | |
| /* ── Tables ──────────────────────────────────────────────────── */ | |
| .table-wrap { overflow-x: auto; padding: 0 0 8px; } | |
| .data-table { | |
| width: 100%; border-collapse: collapse; | |
| font-size: 0.82rem; | |
| } | |
| .data-table th { | |
| padding: 12px 16px; text-align: left; | |
| font-weight: 600; color: var(--text-secondary); | |
| text-transform: uppercase; font-size: 0.68rem; | |
| letter-spacing: 0.06em; | |
| background: rgba(255,255,255,0.02); | |
| border-bottom: 1px solid var(--border); | |
| position: sticky; top: 0; z-index: 2; | |
| white-space: nowrap; | |
| } | |
| .data-table td { | |
| padding: 10px 16px; | |
| border-bottom: 1px solid var(--border); | |
| font-family: 'JetBrains Mono', monospace; | |
| font-size: 0.8rem; | |
| white-space: nowrap; | |
| transition: background var(--transition); | |
| } | |
| .data-table tbody tr:hover td { background: var(--bg-hover); } | |
| .data-table .positive { color: var(--emerald); } | |
| .data-table .negative { color: var(--red); } | |
| .data-table .highlight-row td { | |
| background: var(--accent-glow); | |
| font-weight: 600; | |
| } | |
| /* ── Basket controls ─────────────────────────────────────────── */ | |
| .basket-controls { | |
| display: flex; gap: 10px; margin-bottom: 20px; | |
| } | |
| /* ── Grid layouts ────────────────────────────────────────────── */ | |
| .grid-3 { | |
| display: grid; | |
| grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); | |
| gap: 20px; | |
| margin-bottom: 24px; | |
| } | |
| /* ── Responsive ──────────────────────────────────────────────── */ | |
| @media (max-width: 900px) { | |
| :root { --sidebar-w: 0px; } | |
| .sidebar { transform: translateX(-100%); } | |
| .main { margin-left: 0; padding: 20px 16px; } | |
| .metrics-row { grid-template-columns: repeat(2, 1fr); } | |
| .grid-3 { grid-template-columns: 1fr; } | |
| } | |