* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: #1a1a2e; color: #e0e0e0; }
.tabs { display: flex; gap: 0; padding: 8px 8px 0; }
.tab { padding: 10px 28px; background: #0f1a30; color: #8892b0; border: none; border-radius: 8px 8px 0 0; font-size: 14px; font-weight: 600; cursor: pointer; }
.tab.active { background: #16213e; color: #64ffda; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* LP Tab */
.lp-container { display: grid; grid-template-columns: 1fr 320px; grid-template-rows: auto auto 1fr 1fr; height: calc(100vh - 46px); gap: 6px; padding: 0 8px 8px; max-width: 1400px; margin: 0 auto; }
.lp-desc { grid-column: 1/3; background: #16213e; border-radius: 0 8px 0 0; padding: 14px 20px; font-size: 15px; color: #a8b2d1; line-height: 1.6; }
.lp-inputs { grid-column: 1/3; background: #16213e; border-radius: 0 0 8px 8px; padding: 10px; display: flex; gap: 14px; align-items: end; justify-content: center; flex-wrap: wrap; }
.lp-chart-top { grid-column: 1; grid-row: 3; background: #16213e; border-radius: 8px; padding: 8px; }
.lp-chart-bot { grid-column: 1; grid-row: 4; background: #16213e; border-radius: 8px; padding: 8px; }
.lp-sidebar { grid-column: 2; grid-row: 3/5; background: #16213e; border-radius: 8px; padding: 18px 20px; overflow-y: auto; font-family: 'SF Mono','Menlo',monospace; font-size: 13.5px; line-height: 1.7; }

/* Hedge Tab */
.hedge-container { display: grid; grid-template-columns: 1fr 340px; grid-template-rows: auto auto minmax(200px, auto) 1fr; gap: 6px; padding: 0 8px 8px; max-width: 1400px; margin: 0 auto; min-height: calc(100vh - 46px); }
.hedge-desc { grid-column: 1/3; background: #16213e; border-radius: 0 8px 0 0; padding: 14px 20px; font-size: 15px; color: #a8b2d1; line-height: 1.6; }
.hedge-inputs { grid-column: 1/3; background: #16213e; border-radius: 0 0 8px 8px; padding: 14px 20px; }
.hedge-inputs-row { display: flex; gap: 16px; align-items: end; justify-content: center; flex-wrap: wrap; margin-bottom: 10px; }
.hedge-inputs-row:last-child { margin-bottom: 0; }
.hedge-table-wrap { grid-column: 1; grid-row: 3; background: #16213e; border-radius: 8px; padding: 14px; overflow-y: auto; }
.hedge-chart { grid-column: 1; grid-row: 4; background: #16213e; border-radius: 8px; padding: 8px; min-height: 400px; }
.hedge-sidebar { grid-column: 2; grid-row: 3/5; background: #16213e; border-radius: 8px; padding: 18px 20px; overflow-y: auto; font-family: 'SF Mono','Menlo',monospace; font-size: 13.5px; line-height: 1.7; }

/* Shared */
.field { display: flex; flex-direction: column; align-items: center; }
.field label { font-size: 11px; font-weight: 600; color: #8892b0; margin-bottom: 3px; text-transform: uppercase; letter-spacing: .5px; }
.field input, .field select { width: 125px; padding: 7px; border: 1px solid #333; border-radius: 6px; background: #0a0a1a; color: #e0e0e0; font-size: 14px; text-align: center; }
.field input:focus, .field select:focus { border-color: #64ffda; outline: none; }
.slider-field { display: flex; flex-direction: column; align-items: center; min-width: 200px; }
.slider-field label { font-size: 11px; font-weight: 600; color: #8892b0; margin-bottom: 3px; text-transform: uppercase; }
.slider-field input[type=range] { width: 180px; accent-color: #64ffda; }
.slider-val { color: #64ffda; font-weight: 700; font-size: 13px; }
button.update-btn { padding: 7px 22px; background: #64ffda; color: #0a0a1a; border: none; border-radius: 6px; font-weight: 700; font-size: 14px; cursor: pointer; }
button.update-btn:hover { background: #4cd6b0; }
.section-title { color: #64ffda; font-weight: 700; font-size: 14px; border-bottom: 1px solid #445; padding-bottom: 4px; margin: 14px 0 8px; }
.row { display: flex; justify-content: space-between; padding: 1px 0; }
.row .label { color: #a8b2d1; }
.row .value { color: #fff; font-weight: 600; }
.highlight { color: #64ffda; font-weight: 700; font-size: 18px; }
.negative { color: #ff6b6b; }
.positive { color: #51cf66; }
canvas { width: 100% !important; height: 100% !important; }

/* Table */
.hedge-table { width: 100%; border-collapse: collapse; font-size: 13px; font-family: 'SF Mono','Menlo',monospace; }
.hedge-table th { background: #0a0a1a; color: #8892b0; padding: 8px 10px; text-align: right; font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .5px; border-bottom: 2px solid #333; }
.hedge-table th:first-child { text-align: left; }
.hedge-table td { padding: 7px 10px; text-align: right; border-bottom: 1px solid #1e3050; }
.hedge-table td:first-child { text-align: left; color: #a8b2d1; }
.hedge-table tr.row-entry { background: #1a2744; }
.hedge-table tr.row-stop { background: #2a1a1a; }
.hedge-table tr:hover { background: #1e2d4a; }
.lev-btn { padding: 5px 14px; border: 1px solid #333; border-radius: 6px; background: #0a0a1a; color: #8892b0; font-size: 13px; cursor: pointer; font-weight: 600; }
.lev-btn.active { border-color: #64ffda; color: #64ffda; background: #0a1a2a; }
.lev-group { display: flex; gap: 6px; }

/* Range Optimizer Tab */
.range-container { display: grid; grid-template-columns: 1fr 280px; grid-template-rows: auto auto auto 1fr; gap: 6px; padding: 0 8px 8px; max-width: 1400px; margin: 0 auto; min-height: calc(100vh - 46px); }
.range-inputs { grid-column: 1/3; background: #16213e; border-radius: 0 0 8px 8px; padding: 10px 20px; display: flex; gap: 14px; align-items: end; justify-content: center; flex-wrap: wrap; }
.range-table-wrap { grid-column: 1; grid-row: 3; background: #16213e; border-radius: 8px; padding: 14px; overflow-y: auto; }
.range-chart { grid-column: 1; grid-row: 4; background: #16213e; border-radius: 8px; padding: 8px; min-height: 350px; }
.range-sidebar { grid-column: 2; grid-row: 3; background: #16213e; border-radius: 8px; padding: 18px 20px; overflow-y: auto; font-family: 'SF Mono','Menlo',monospace; font-size: 13.5px; line-height: 1.7; }
.range-bt { grid-column: 2; grid-row: 4; }
.range-err { grid-column: 1/3; }
.hedge-table tr { cursor: pointer; }

.range-desc { grid-column: 1/3; background: #16213e; border-radius: 0 8px 0 0; padding: 14px 20px; font-size: 15px; color: #a8b2d1; line-height: 1.6; }

/* Market Data Tab */
.market-container { padding: 0 8px 8px; max-width: 1400px; margin: 0 auto; }
.market-header { background: #16213e; border-radius: 0 8px 0 0; padding: 12px 20px; display: flex; align-items: center; }
.market-grid { display: flex; flex-wrap: wrap; gap: 6px; background: #16213e; border-radius: 0 0 8px 8px; padding: 14px; }
.market-card { background: #0f1a30; border: 1px solid #1e3050; border-radius: 8px; padding: 16px; flex: 1 1 280px; min-width: 260px; }
.market-card-wide { flex: 1 1 100%; }