/* Inlined from the bike-sim app. Class names like .wrapper__calc / .heading__primary--calc /
       .input__box--calc are unique to this calculator and don't conflict with site .ys-* / .wf-* tokens.
       Global * reset and body styles dropped (we already have those in yousuli.css). */
    .wrapper__calc { background: #fff; border-radius: 10px; box-shadow: 0 4px 8px rgba(0,0,0,0.1); padding: 30px; max-width: 1400px; width: 100%; margin: 0 auto; }
    .header__calc { text-align: center; margin-bottom: 20px; }
    .heading__primary--calc { color: var(--ys-navy); font-size: 28px; text-transform: uppercase; margin-bottom: 10px; border-bottom: 2px solid var(--wf-coral); display: inline-block; padding-bottom: 5px; font-family: var(--ys-font-display); letter-spacing: 0.04em; }

    .route__selector { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 0 auto 18px auto; padding: 12px 14px; border-radius: 8px; background: var(--ys-bg-soft); font-size: 14px; max-width: 820px; justify-content: center; border: 1px solid var(--ys-line); }
    .route__selector label { font-weight: 600; color: var(--ys-navy); font-family: var(--ys-font-display); letter-spacing: 0.04em; font-size: 0.78rem; text-transform: uppercase; }
    .route__selector input, .route__selector select, .route__selector button { padding: 7px 10px; border-radius: 6px; border: 1.5px solid var(--ys-line); font-size: 14px; font-family: var(--ys-font-body); }
    .route__selector input:focus, .route__selector select:focus { outline: none; border-color: var(--wf-coral); box-shadow: 0 0 0 3px rgba(250, 119, 60, 0.18); }
    .route__selector input { min-width: 180px; }
    .route__selector button { background: var(--wf-coral); color: #fff; cursor: pointer; border-color: var(--wf-coral); font-family: var(--ys-font-display); letter-spacing: 0.06em; text-transform: uppercase; font-size: 0.74rem; font-weight: 700; }
    .route__selector button:hover { background: var(--ys-navy); border-color: var(--ys-navy); }
    .route__meta { font-size: 13px; color: var(--ys-muted); flex: 1 1 100%; margin-top: 4px; text-align: center; }

    .calcMode__wrapper { display: flex; justify-content: center; margin-bottom: 8px; margin-top: 8px; }
    .calcMode__box { background: var(--ys-bg-soft); border: 1px solid var(--ys-line); border-radius: 10px; padding: 14px 18px; max-width: 820px; width: 100%; }
    .calcMode__box .row__calc { margin-bottom: 8px; }
    .calcMode__inputs { display: flex; flex-wrap: wrap; gap: 12px; }
    .calcMode__inputs .row__calc { flex: 1 1 200px; }

    .advanced__wrapper { max-width: 820px; margin: 0 auto 18px auto; background: var(--ys-bg-soft); border-radius: 10px; padding: 14px 18px; border: 1px solid var(--ys-line); }
    .advanced__header { display: flex; flex-direction: column; gap: 4px; margin-bottom: 8px; }
    .advanced__header .label__calc { font-weight: 700; font-size: 0.86rem; color: var(--wf-coral); text-transform: uppercase; letter-spacing: 0.08em; font-family: var(--ys-font-display); }
    .advanced__note { font-size: 13px; color: var(--ys-muted); }
    .advanced__fields { display: flex; flex-wrap: wrap; gap: 12px; }
    .advanced__fields .row__calc { flex: 1 1 180px; margin-bottom: 6px; }

    .col__calc { display: grid; grid-template-columns: repeat(3, minmax(240px, 1fr)); grid-gap: 16px; max-width: 1100px; margin: 0 auto; }
    .input__box--calc { background: var(--ys-bg-soft); border: 1px solid var(--ys-line); border-radius: 10px; padding: 14px; }
    .row__calc { display: flex; flex-direction: column; margin-bottom: 10px; }
    .label__calc { font-size: 0.74rem; color: var(--ys-navy); font-weight: 600; margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.08em; font-family: var(--ys-font-display); }
    .combined__calc { position: relative; }
    .input__calc { padding: 9px 12px; border: 1.5px solid var(--ys-line); border-radius: 6px; width: 100%; font-size: 0.96rem; font-family: var(--ys-font-body); background: #fff; color: var(--ys-navy); box-sizing: border-box; }
    .input__calc:focus { outline: none; border-color: var(--wf-coral); box-shadow: 0 0 0 3px rgba(250, 119, 60, 0.18); }
    .unit__calc { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); font-size: 0.84rem; color: var(--ys-muted); font-family: var(--ys-font-display); letter-spacing: 0.04em; }

    .combined__calc--time { display: flex; align-items: center; gap: 6px; }
    .combined__calc--time .input__calc { flex: 1; max-width: none; text-align: center; }
    .unit__calc--colon { margin: 0 2px; font-size: 18px; font-weight: 700; color: var(--wf-coral); }

    .output__container--calc { width: 100%; padding: 22px; background: var(--ys-navy); color: #fff; border-radius: 12px; margin-top: 22px; }
    .heading__tertiary--calc { font-size: 0.86rem; text-transform: uppercase; color: var(--wf-coral); margin-bottom: 14px; font-family: var(--ys-font-display); letter-spacing: 0.12em; }
    .row__res--calc { display: flex; justify-content: space-between; margin-bottom: 10px; padding: 6px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
    .row__res--calc:last-child { border-bottom: 0; }
    .res__label { font-size: 0.92rem; color: rgba(255, 255, 255, 0.7); }
    .res__value { font-size: 1.04rem; font-weight: 700; color: #fff; font-family: var(--ys-font-display); letter-spacing: 0.02em; }

    .imperial__row { display: none; }
    .notes { font-size: 0.88rem; color: var(--ys-muted); margin-top: 14px; line-height: 1.5; }
    input::-webkit-outer-spin-button, input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
    input[type="number"] { -moz-appearance: textfield; }

    .postcalc-wrapper { display: flex; flex-direction: column; gap: 18px; margin-top: 22px; }

    .courseToggleBtn { align-self: flex-start; margin-top: 8px; padding: 8px 14px; border-radius: 6px; border: 1.5px solid var(--ys-navy); background: #fff; color: var(--ys-navy); font-size: 0.78rem; cursor: pointer; font-family: var(--ys-font-display); letter-spacing: 0.08em; text-transform: uppercase; font-weight: 700; }
    .courseToggleBtn:hover { background: var(--ys-navy); color: #fff; }
    .courseAnalysis { width: 100%; }
    .courseAnalysis--hidden { display: none; }

    .route__visuals { margin-top: 22px; display: grid; grid-template-columns: 1fr; gap: 16px; width: 100%; }
    #map { width: 100%; height: 380px; border-radius: 10px; overflow: hidden; box-shadow: 0 4px 14px rgba(47, 45, 86, 0.15); background: #020617; }
    #chart-wrapper { background: #fff; border-radius: 10px; padding: 14px; box-shadow: 0 4px 14px rgba(47, 45, 86, 0.08); height: 380px; display: flex; flex-direction: column; width: 100%; border: 1px solid var(--ys-line); }
    #elevChart { width: 100%; flex: 1 1 auto; }
    .meta-bottom { font-size: 0.84rem; margin-top: 4px; color: var(--ys-muted); }

    @media (max-width: 1024px) {
      .col__calc { grid-template-columns: 1fr 1fr; }
      .route__visuals { grid-template-columns: 1fr; }
      #map, #chart-wrapper { height: 280px; }
    }
    @media (max-width: 600px) { .col__calc { grid-template-columns: 1fr; } }

    .advancedPacing__section { margin-top: 14px; padding: 14px 18px; background: rgba(250, 119, 60, 0.08); border-radius: 8px; border: 1px solid rgba(250, 119, 60, 0.2); }
    .advanced-pacing-placeholder { font-size: 13px; color: var(--ys-muted); }
    .advTable { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 8px; background: #fff; border-radius: 6px; overflow: hidden; }
    .advTable th, .advTable td { border-bottom: 1px solid var(--ys-line); padding: 6px 8px; text-align: right; color: var(--ys-navy); }
    .advTable th { background: var(--ys-navy); color: #fff; text-align: center; font-family: var(--ys-font-display); letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.7rem; border-bottom: 0; }
    .advTable td:first-child, .advTable th:first-child { text-align: center; }
    .advTable td:nth-child(5), .advTable th:nth-child(5) { text-align: left; }
    .advSummaryLine { margin-top: 8px; font-size: 0.86rem; color: var(--ys-navy); text-align: right; font-family: var(--ys-font-display); letter-spacing: 0.04em; }

    .techChallenges__section { margin-top: 14px; padding: 14px 18px; background: rgba(201, 57, 57, 0.06); border-radius: 8px; border: 1px solid rgba(201, 57, 57, 0.2); }
    .techChallenges__section h3 { font-size: 0.86rem; text-transform: uppercase; color: #c93939; margin-bottom: 10px; font-family: var(--ys-font-display); letter-spacing: 0.1em; }
    .techChallenges__section h4 { font-size: 0.84rem; margin: 12px 0 6px; color: var(--ys-navy); font-family: var(--ys-font-display); letter-spacing: 0.06em; }
    .techTable { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 4px; background: #fff; border-radius: 6px; overflow: hidden; }
    .techTable th, .techTable td { border-bottom: 1px solid var(--ys-line); padding: 6px 8px; text-align: right; color: var(--ys-navy); }
    .techTable th { background: #c93939; color: #fff; text-align: center; font-family: var(--ys-font-display); letter-spacing: 0.04em; font-size: 0.7rem; text-transform: uppercase; border-bottom: 0; }
    .techTable td:first-child, .techTable th:first-child { text-align: center; }
    .techNote { font-size: 12px; color: var(--ys-muted); margin-top: 6px; }