:root{color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:#17171a;color:#e8e8ea;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.app{max-width:900px;margin:0 auto;padding:24px 16px 64px}.app-header h1{font-size:22px;font-weight:700;margin:0 0 20px}.range-switcher{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:28px}.range-presets{display:flex;gap:8px}.range-btn{background:#232326;color:#c8c8cc;border:1px solid #2f2f33;border-radius:999px;padding:8px 16px;font-size:14px;cursor:pointer}.range-btn.active{background:#f2f2f3;color:#17171a;border-color:#f2f2f3}.range-custom{display:flex;align-items:center;gap:8px}.range-custom input{background:#232326;color:#e8e8ea;border:1px solid #2f2f33;border-radius:8px;padding:6px 10px;font-size:13px}.chart-block{margin-bottom:36px}.chart-header h2{font-size:17px;margin:0 0 4px}.chart-legend{font-size:12px;color:#8a8a8e;margin-bottom:8px}.chart-tooltip{background:#232326;border:1px solid #34343a;border-radius:8px;padding:10px 12px;font-size:13px;line-height:1.5}.chart-tooltip-date{font-weight:700;margin-bottom:4px}.chart-tooltip-workout{color:#d97757}.chart-summary{font-size:13px;color:#9a9a9e;margin-top:8px;display:flex;flex-direction:column;gap:2px}.status{padding:24px 0;color:#9a9a9e}.status-error{color:#e08585}.gate{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}.gate-card{background:#1f1f22;border:1px solid #2f2f33;border-radius:16px;padding:32px;max-width:360px;width:100%;display:flex;flex-direction:column;gap:14px}.gate-card h1{font-size:20px;margin:0}.gate-card p{font-size:14px;color:#9a9a9e;margin:0}.gate-card input{background:#17171a;border:1px solid #2f2f33;border-radius:8px;padding:10px 12px;color:#e8e8ea;font-size:14px}.gate-card button{background:#f2f2f3;color:#17171a;border:none;border-radius:8px;padding:10px 12px;font-size:14px;font-weight:600;cursor:pointer}.gate-card button:disabled{opacity:.6;cursor:default}.gate-error{color:#e08585;font-size:13px}