#tool-vo2-max-calculator {
    --bg: #faf9f7;
    --surface: #ffffff;
    --border: #e8e4dc;
    --text: #2d2a26;
    --muted: #5f5a56;
    --accent: #b8860b;
    --accent-light: #fbf7eb;
    --accent-mid: #eadfb8;
    --success: #8a6500;
    --success-light: #fdf8e8;
    --danger: #b42318;
    --mono: 'Courier New', Courier, monospace;
    --sans: Helvetica, Arial, -apple-system, BlinkMacSystemFont, "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
    --radius: 10px;
    --shadow: 0 1px 4px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.04);
    background: var(--bg);
    border: 0;
    border-radius: 0;
    box-shadow: none;
    color: var(--text);
    font-family: var(--sans);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 24px;
    padding: 24px 16px 46px;
}

#tool-vo2-max-calculator,
#tool-vo2-max-calculator *,
#tool-vo2-max-calculator *::before,
#tool-vo2-max-calculator *::after {
    box-sizing: border-box;
}

#tool-vo2-max-calculator [hidden] {
    display: none !important;
}

#tool-vo2-max-calculator .vmx-wrap {
    display: grid;
    gap: 12px;
    margin: 0 auto;
    max-width: 980px;
    width: 100%;
}

#tool-vo2-max-calculator .vmx-tool-header {
    align-items: flex-end;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 12px;
    justify-content: space-between;
    padding: 4px 0 10px;
}

#tool-vo2-max-calculator .vmx-heading {
    align-items: center;
    color: var(--text);
    display: flex;
    font-size: 20px;
    font-weight: 800;
    gap: 9px;
    letter-spacing: -0.04em;
    line-height: 1.2;
    margin: 0;
}

#tool-vo2-max-calculator .vmx-icon {
    align-items: center;
    background: var(--accent);
    border-radius: 8px;
    color: #fffdf7;
    display: inline-flex;
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 700;
    height: 30px;
    justify-content: center;
    letter-spacing: -0.06em;
    width: 36px;
}

#tool-vo2-max-calculator .vmx-lead {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.45;
    margin: 5px 0 0;
}

#tool-vo2-max-calculator .vmx-badge {
    background: var(--accent-light);
    border: 1px solid var(--accent-mid);
    border-radius: 999px;
    color: var(--accent);
    flex: 0 0 auto;
    font-size: 11.5px;
    font-weight: 700;
    padding: 4px 10px;
    white-space: nowrap;
}

#tool-vo2-max-calculator .vmx-input-panel,
#tool-vo2-max-calculator .vmx-table-card,
#tool-vo2-max-calculator .vmx-formula-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

#tool-vo2-max-calculator .vmx-input-panel {
    display: grid;
    gap: 12px;
    padding: 16px 18px 18px;
}

#tool-vo2-max-calculator .vmx-panel-head {
    align-items: end;
    display: flex;
    gap: 10px;
    justify-content: space-between;
}

#tool-vo2-max-calculator .vmx-panel-head h3,
#tool-vo2-max-calculator .vmx-card-head h3,
#tool-vo2-max-calculator .vmx-formula-card h3 {
    color: var(--text);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.35;
    margin: 0;
}

#tool-vo2-max-calculator .vmx-panel-head p,
#tool-vo2-max-calculator .vmx-card-head p,
#tool-vo2-max-calculator .vmx-formula-card p {
    color: var(--muted);
    font-size: 11.5px;
    line-height: 1.45;
    margin: 0;
}

#tool-vo2-max-calculator .vmx-method-row {
    display: grid;
    gap: 8px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

#tool-vo2-max-calculator .vmx-method-btn,
#tool-vo2-max-calculator .vmx-sex-btn,
#tool-vo2-max-calculator .vmx-chip,
#tool-vo2-max-calculator .vmx-btn {
    appearance: none;
    cursor: pointer;
    font-family: inherit;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

#tool-vo2-max-calculator .vmx-method-btn {
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: 9px;
    color: var(--text);
    display: grid;
    gap: 1px;
    min-height: 58px;
    padding: 10px 12px;
    text-align: left;
}

#tool-vo2-max-calculator .vmx-method-btn strong {
    font-size: 13px;
    line-height: 1.25;
}

#tool-vo2-max-calculator .vmx-method-btn span {
    color: var(--muted);
    font-size: 11px;
}

#tool-vo2-max-calculator .vmx-method-btn:hover,
#tool-vo2-max-calculator .vmx-method-btn:focus-visible,
#tool-vo2-max-calculator .vmx-method-btn.is-active {
    background: var(--accent-light);
    border-color: var(--accent);
    color: var(--accent);
    outline: none;
}

#tool-vo2-max-calculator .vmx-input-row {
    align-items: end;
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

#tool-vo2-max-calculator .vmx-field {
    display: grid;
    gap: 5px;
    min-width: 0;
}

#tool-vo2-max-calculator .vmx-field label,
#tool-vo2-max-calculator .vmx-label {
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

#tool-vo2-max-calculator .vmx-input-box {
    align-items: center;
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: 8px;
    display: flex;
    min-height: 42px;
    overflow: hidden;
    transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

#tool-vo2-max-calculator .vmx-input-box:focus-within {
    background: #fff;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.10);
}

#tool-vo2-max-calculator .vmx-input-box input {
    background: transparent;
    border: 0;
    color: var(--text);
    flex: 1;
    font-family: var(--mono);
    font-size: 15px;
    font-weight: 700;
    min-width: 0;
    outline: none;
    padding: 9px 10px;
    width: 100%;
}

#tool-vo2-max-calculator .vmx-unit {
    align-items: center;
    align-self: stretch;
    background: var(--surface);
    border-left: 1px solid var(--border);
    color: var(--muted);
    display: flex;
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 700;
    padding: 0 9px;
    white-space: nowrap;
}

#tool-vo2-max-calculator .vmx-time-inputs {
    display: grid;
    gap: 6px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

#tool-vo2-max-calculator .vmx-segment {
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: 8px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    min-height: 42px;
    overflow: hidden;
    padding: 3px;
}

#tool-vo2-max-calculator .vmx-sex-btn {
    background: transparent;
    border: 0;
    border-radius: 6px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
    min-width: 0;
}

#tool-vo2-max-calculator .vmx-sex-btn:hover,
#tool-vo2-max-calculator .vmx-sex-btn:focus-visible,
#tool-vo2-max-calculator .vmx-sex-btn.is-active {
    background: var(--accent);
    color: #fffdf7;
    outline: none;
}

#tool-vo2-max-calculator .vmx-quick-row,
#tool-vo2-max-calculator .vmx-btn-row {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

#tool-vo2-max-calculator .vmx-quick-label {
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
    margin-right: 2px;
}

#tool-vo2-max-calculator .vmx-chip {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: 999px;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 700;
    min-height: 30px;
    padding: 4px 10px;
}

#tool-vo2-max-calculator .vmx-chip:hover,
#tool-vo2-max-calculator .vmx-chip:focus-visible,
#tool-vo2-max-calculator .vmx-chip.is-active {
    background: var(--accent-light);
    border-color: var(--accent);
    color: var(--accent);
    outline: none;
}

#tool-vo2-max-calculator .vmx-btn-row {
    border-top: 1px solid var(--border);
    justify-content: flex-end;
    padding-top: 10px;
}

#tool-vo2-max-calculator .vmx-btn {
    background: transparent;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
    min-height: 36px;
    padding: 7px 14px;
}

#tool-vo2-max-calculator .vmx-btn:hover,
#tool-vo2-max-calculator .vmx-btn:focus-visible {
    background: var(--accent-light);
    border-color: var(--accent);
    color: var(--accent);
    outline: none;
}

#tool-vo2-max-calculator .vmx-validation {
    color: var(--danger);
    font-size: 11.5px;
    line-height: 1.45;
    margin: -4px 0 0;
}

#tool-vo2-max-calculator .vmx-validation:empty {
    display: none;
}

#tool-vo2-max-calculator .vmx-results-grid {
    background: linear-gradient(135deg, rgba(45, 42, 38, 0.96) 0%, rgba(71, 55, 25, 0.95) 56%, rgba(137, 101, 0, 0.92) 100%);
    border: 1px solid var(--accent-mid);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    overflow: hidden;
}

#tool-vo2-max-calculator .vmx-main-card {
    background: linear-gradient(135deg, #fff9e6 0%, #f1df9d 100%);
    color: var(--text);
    display: grid;
    gap: 7px;
    min-width: 0;
    overflow: hidden;
    padding: 20px 22px;
    position: relative;
}

#tool-vo2-max-calculator .vmx-main-card::before,
#tool-vo2-max-calculator .vmx-main-card::after {
    border-radius: 999px;
    content: '';
    position: absolute;
}

#tool-vo2-max-calculator .vmx-main-card::before {
    background: rgba(255, 255, 255, 0.22);
    height: 124px;
    right: -28px;
    top: -30px;
    width: 124px;
}

#tool-vo2-max-calculator .vmx-main-card::after {
    background: rgba(184, 134, 11, 0.13);
    bottom: -42px;
    height: 96px;
    right: 44px;
    width: 96px;
}

#tool-vo2-max-calculator .vmx-main-label {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    opacity: 0.75;
    position: relative;
    text-transform: uppercase;
    z-index: 1;
}

#tool-vo2-max-calculator .vmx-main-value {
    font-family: var(--mono);
    font-size: 48px;
    font-weight: 800;
    letter-spacing: -0.08em;
    line-height: 1;
    position: relative;
    z-index: 1;
}

#tool-vo2-max-calculator .vmx-main-value small {
    font-size: 16px;
    letter-spacing: -0.02em;
    opacity: 0.82;
}

#tool-vo2-max-calculator .vmx-main-status {
    color: var(--accent);
    font-size: 18px;
    font-weight: 900;
    letter-spacing: -0.04em;
    position: relative;
    z-index: 1;
}

#tool-vo2-max-calculator .vmx-main-meta {
    color: rgba(45, 42, 38, 0.72);
    font-size: 12px;
    position: relative;
    z-index: 1;
}

#tool-vo2-max-calculator .vmx-progress {
    background: rgba(255, 255, 255, 0.52);
    border: 1px solid rgba(184, 134, 11, 0.18);
    border-radius: 999px;
    height: 9px;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

#tool-vo2-max-calculator .vmx-progress-fill {
    background: linear-gradient(90deg, var(--accent-mid), var(--accent));
    border-radius: inherit;
    display: block;
    height: 100%;
    min-width: 4%;
    transition: width 0.25s ease;
}

#tool-vo2-max-calculator .vmx-main-metrics {
    border-top: 1px solid rgba(184, 134, 11, 0.22);
    display: grid;
    gap: 0;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 7px;
    padding-top: 12px;
    position: relative;
    z-index: 1;
}

#tool-vo2-max-calculator .vmx-main-metrics div {
    border-left: 1px solid rgba(184, 134, 11, 0.20);
    display: grid;
    gap: 2px;
    min-width: 0;
    padding: 0 10px;
}

#tool-vo2-max-calculator .vmx-main-metrics div:first-child {
    border-left: 0;
    padding-left: 0;
}

#tool-vo2-max-calculator .vmx-main-metrics span {
    color: rgba(45, 42, 38, 0.64);
    font-size: 10.5px;
    font-weight: 700;
}

#tool-vo2-max-calculator .vmx-main-metrics strong {
    color: var(--text);
    font-family: var(--mono);
    font-size: 15px;
    font-weight: 800;
    line-height: 1.2;
    overflow-wrap: anywhere;
}

#tool-vo2-max-calculator .vmx-metric-grid {
    border-left: 1px solid var(--accent-mid);
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    min-width: 0;
}

#tool-vo2-max-calculator .vmx-metric-card {
    background: rgba(255, 251, 238, 0.96);
    display: grid;
    gap: 3px;
    min-width: 0;
    padding: 14px 16px;
}

#tool-vo2-max-calculator .vmx-metric-card:nth-child(2n) {
    border-left: 1px solid var(--accent-mid);
}

#tool-vo2-max-calculator .vmx-metric-card:nth-child(n+3) {
    border-top: 1px solid var(--accent-mid);
}

#tool-vo2-max-calculator .vmx-metric-card span {
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
}

#tool-vo2-max-calculator .vmx-metric-card strong {
    color: var(--text);
    font-family: var(--mono);
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.05em;
    line-height: 1.15;
    overflow-wrap: anywhere;
}

#tool-vo2-max-calculator .vmx-metric-card small {
    color: var(--muted);
    font-size: 11px;
    line-height: 1.35;
}

#tool-vo2-max-calculator .vmx-tables-grid,
#tool-vo2-max-calculator .vmx-note-grid {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

#tool-vo2-max-calculator .vmx-table-card {
    overflow: hidden;
}

#tool-vo2-max-calculator .vmx-card-head {
    border-bottom: 1px solid var(--border);
    display: grid;
    gap: 2px;
    padding: 12px 16px 10px;
}

#tool-vo2-max-calculator .vmx-table-wrap {
    max-width: 100%;
    overflow-x: auto;
}

#tool-vo2-max-calculator .vmx-table {
    border-collapse: collapse;
    table-layout: fixed;
    width: 100%;
}

#tool-vo2-max-calculator .vmx-table th,
#tool-vo2-max-calculator .vmx-table td {
    border-bottom: 1px solid var(--border);
    padding: 8px 12px;
    vertical-align: middle;
}

#tool-vo2-max-calculator .vmx-table th {
    background: var(--bg);
    color: var(--muted);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.03em;
    text-align: left;
}

#tool-vo2-max-calculator .vmx-table td {
    color: var(--text);
    font-size: 12.5px;
    line-height: 1.35;
    overflow-wrap: anywhere;
}

#tool-vo2-max-calculator .vmx-table td:nth-child(2),
#tool-vo2-max-calculator .vmx-target-table td:nth-child(3),
#tool-vo2-max-calculator .vmx-target-table td:nth-child(4) {
    font-family: var(--mono);
    font-weight: 700;
}

#tool-vo2-max-calculator .vmx-table tr:last-child td {
    border-bottom: 0;
}

#tool-vo2-max-calculator .vmx-table tr.vmx-highlight td {
    background: var(--accent-light);
    color: var(--accent);
    font-weight: 800;
}

#tool-vo2-max-calculator .vmx-target-table th:first-child,
#tool-vo2-max-calculator .vmx-target-table td:first-child {
    width: 28%;
}

#tool-vo2-max-calculator .vmx-formula-card {
    align-items: flex-start;
    display: grid;
    gap: 10px;
    grid-template-columns: auto minmax(0, 1fr);
    padding: 13px 14px;
}

#tool-vo2-max-calculator .vmx-note-icon {
    align-items: center;
    background: var(--accent-light);
    border: 1px solid var(--accent-mid);
    border-radius: 8px;
    color: var(--accent);
    display: inline-flex;
    flex: 0 0 auto;
    font-family: var(--mono);
    font-size: 14px;
    font-weight: 800;
    height: 28px;
    justify-content: center;
    width: 28px;
}

@media (max-width: 820px) {
    #tool-vo2-max-calculator .vmx-input-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    #tool-vo2-max-calculator .vmx-results-grid,
    #tool-vo2-max-calculator .vmx-tables-grid,
    #tool-vo2-max-calculator .vmx-note-grid {
        grid-template-columns: 1fr;
    }

    #tool-vo2-max-calculator .vmx-metric-grid {
        border-left: 0;
        border-top: 1px solid var(--accent-mid);
    }
}

@media (max-width: 560px) {
    #tool-vo2-max-calculator {
        padding: 18px 10px 34px;
    }

    #tool-vo2-max-calculator .vmx-tool-header,
    #tool-vo2-max-calculator .vmx-panel-head {
        align-items: flex-start;
        flex-direction: column;
    }

    #tool-vo2-max-calculator .vmx-input-panel {
        padding: 14px;
    }

    #tool-vo2-max-calculator .vmx-method-row,
    #tool-vo2-max-calculator .vmx-input-row,
    #tool-vo2-max-calculator .vmx-main-metrics {
        grid-template-columns: 1fr;
    }

    #tool-vo2-max-calculator .vmx-main-value {
        font-size: 40px;
    }

    #tool-vo2-max-calculator .vmx-main-metrics div {
        border-left: 0;
        border-top: 1px solid rgba(184, 134, 11, 0.20);
        padding: 8px 0 0;
    }

    #tool-vo2-max-calculator .vmx-main-metrics div:first-child {
        border-top: 0;
        padding-top: 0;
    }

    #tool-vo2-max-calculator .vmx-btn-row {
        align-items: stretch;
        flex-direction: column;
    }

    #tool-vo2-max-calculator .vmx-btn {
        width: 100%;
    }

    #tool-vo2-max-calculator .vmx-table th,
    #tool-vo2-max-calculator .vmx-table td {
        padding: 8px 9px;
    }
}

@media (max-width: 390px) {
    #tool-vo2-max-calculator .vmx-metric-grid,
    #tool-vo2-max-calculator .vmx-time-inputs {
        grid-template-columns: 1fr;
    }

    #tool-vo2-max-calculator .vmx-metric-card:nth-child(2n) {
        border-left: 0;
    }

    #tool-vo2-max-calculator .vmx-metric-card:nth-child(n+2) {
        border-top: 1px solid var(--accent-mid);
    }
}

#tool-vo2-max-calculator .vmx-btn-ghost {
    background: transparent;
}

#tool-vo2-max-calculator .vmx-rockport-field,
#tool-vo2-max-calculator .vmx-time-field {
    min-width: 0;
}