:root{--bg: #f6f7f9;--surface: #ffffff;--text: #17202a;--muted: #607080;--border: #dce2e8;--accent: #0f766e;--accent-dark: #0b5f59;--warning: #b7791f;--danger: #b42318;--success: #157347;--shadow: 0 14px 35px rgba(23, 32, 42, .08);--radius: 18px;--radius-sm: 12px;--max: 1100px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}a{color:var(--accent-dark)}.page-shell{width:min(var(--max),calc(100% - 32px));margin:0 auto}.hero{padding:56px 0 24px}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid var(--border);border-radius:999px;color:var(--accent-dark);background:#ecfdfb;font-size:.88rem;font-weight:700;letter-spacing:.01em}h1,h2,h3{line-height:1.15;color:var(--text);margin:0 0 14px}h1{max-width:780px;font-size:clamp(2.25rem,6vw,4.4rem);letter-spacing:-.055em;margin-top:18px}h2{font-size:clamp(1.55rem,3vw,2.1rem);letter-spacing:-.035em}h3{font-size:1.08rem;letter-spacing:-.01em}.subtitle{max-width:720px;font-size:clamp(1.05rem,2vw,1.35rem);color:var(--muted);margin:0 0 16px}.hero-note{max-width:820px;margin:0;color:#344150;font-size:1rem}.calculator-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(330px,.95fr);gap:22px;align-items:start;margin:26px 0 34px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.calculator-card,.results-panel,.content-section,.advanced-card{padding:24px}.input-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:flex;flex-direction:column;gap:7px;min-width:0}.field.full{grid-column:1 / -1}label,.field-label{font-size:.92rem;font-weight:800;color:var(--text)}.helper{margin:0;color:var(--muted);font-size:.88rem;line-height:1.35}input,select,button{font:inherit}input,select{width:100%;border:1px solid var(--border);border-radius:12px;padding:12px 13px;color:var(--text);background:#fff;transition:border-color .15s ease,box-shadow .15s ease}input:focus,select:focus,button:focus-visible,summary:focus-visible{outline:3px solid rgba(15,118,110,.2);outline-offset:2px;border-color:var(--accent)}.mode-toggle{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:7px;background:#f1f4f7;border:1px solid var(--border);border-radius:16px}.mode-toggle label{position:relative;display:flex;align-items:center;justify-content:center;min-height:44px;padding:10px;border-radius:12px;cursor:pointer;text-align:center;color:#415063;font-size:.9rem;font-weight:800;transition:background .15s ease,color .15s ease,box-shadow .15s ease}.mode-toggle input{position:absolute;opacity:0;pointer-events:none}.mode-toggle label:has(input:checked){color:var(--accent-dark);background:#fff;box-shadow:0 8px 18px #17202a12}.session-fields{display:none;grid-template-columns:1fr 1fr;gap:16px;grid-column:1 / -1}.session-fields.active{display:grid}.bets-field.hidden{display:none}.calculated-bets{grid-column:1 / -1;margin:0;padding:12px 14px;border-radius:12px;background:#f8fafc;border:1px dashed var(--border);color:#344150;font-weight:700}.errors{display:none;margin:18px 0 0;padding:12px 14px;border-radius:12px;background:#fff5f5;border:1px solid #f4c7c3;color:var(--danger);font-weight:700}.errors.active{display:block}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.btn{border:1px solid var(--accent);border-radius:12px;padding:11px 15px;cursor:pointer;font-weight:850;transition:transform .12s ease,background .12s ease,border-color .12s ease}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark)}.btn-secondary{background:#fff;color:var(--accent-dark)}.copy-status{display:inline-flex;align-items:center;min-height:34px;color:var(--success);font-size:.9rem;font-weight:800}.results-panel{position:sticky;top:18px}.results-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}.result-card{padding:15px;border:1px solid var(--border);border-radius:15px;background:#fbfcfd}.result-card.primary{grid-column:1 / -1;background:#ecfdfb;border-color:#0f766e47}.result-card.hourly.hidden{display:none}.result-label{margin:0 0 7px;color:var(--muted);font-size:.82rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em}.result-value{margin:0;color:var(--text);font-size:clamp(1.2rem,2.3vw,1.65rem);line-height:1.2;font-weight:900;letter-spacing:-.03em;overflow-wrap:anywhere}.result-formula{margin:8px 0 0;color:var(--muted);font-size:.84rem;line-height:1.3}.interpretation{margin-top:16px;padding:16px;border-radius:16px;border:1px solid var(--border);background:#f8fafc}.interpretation.low{border-color:#15734747;background:#f0fdf4}.interpretation.moderate{border-color:#b7791f57;background:#fffbeb}.interpretation.high{border-color:#b4231847;background:#fff5f5}.interpretation p{margin:0;color:#2f3b47}.formula-strip{margin-top:14px;padding:12px 14px;border-radius:14px;background:#17202a;color:#fff;font-weight:850;overflow-x:auto}.formula-strip code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;white-space:nowrap}details.advanced-card{margin:0 0 28px}details summary{cursor:pointer;font-weight:900;font-size:1.08rem;color:var(--text);list-style-position:outside}.advanced-inner{margin-top:18px}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:14px;background:#fff}table{width:100%;min-width:620px;border-collapse:collapse}th,td{padding:12px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}th{background:#f8fafc;color:#344150;font-size:.84rem;text-transform:uppercase;letter-spacing:.05em}td input{padding:10px 11px}tr:last-child td{border-bottom:none}.remove-row{border:1px solid #f4c7c3;background:#fff5f5;color:var(--danger);border-radius:10px;padding:9px 11px;cursor:pointer;font-weight:850}.advanced-actions{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}.advanced-output{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:14px}.mini-card{padding:13px;border:1px solid var(--border);border-radius:14px;background:#fbfcfd}.mini-card p:first-child{margin:0 0 6px;color:var(--muted);font-size:.78rem;font-weight:850;text-transform:uppercase;letter-spacing:.05em}.mini-card p:last-child{margin:0;font-weight:900;color:var(--text);overflow-wrap:anywhere}.advanced-warning{display:none;margin:12px 0 0;padding:12px 14px;border-radius:12px;border:1px solid #f4d19b;background:#fffbeb;color:#7c4a03;font-weight:800}.advanced-warning.active{display:block}.content-grid{display:grid;gap:18px;margin-bottom:40px}.content-section p{margin:0 0 12px;color:#344150}.content-section p:last-child{margin-bottom:0}.content-section code{display:inline-block;padding:2px 6px;border-radius:7px;background:#f1f4f7;border:1px solid var(--border);color:var(--text);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.notice{border-left:5px solid var(--accent);background:#ecfdfb}.faq-list{display:grid;gap:12px;margin-top:14px}.faq-item{border:1px solid var(--border);border-radius:14px;background:#fff;padding:16px}.faq-item h3{margin-bottom:7px}.faq-item p{margin:0;color:#344150}.footer-note{padding:26px 0 48px;color:var(--muted);text-align:center;font-size:.92rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:900px){.calculator-layout{grid-template-columns:1fr}.results-panel{position:static}}@media(max-width:680px){.page-shell{width:min(100% - 22px,var(--max))}.hero{padding-top:36px}.calculator-card,.results-panel,.content-section,.advanced-card{padding:18px}.input-grid,.session-fields,.results-grid,.advanced-output{grid-template-columns:1fr}.result-card.primary{grid-column:auto}.mode-toggle{grid-template-columns:1fr}}