@charset "UTF-8";

#tool-running-pace-calculator,
#tool-running-pace-calculator * {
    box-sizing: border-box;
}

#tool-running-pace-calculator {
    --accent: #b8860b;
    --accent-strong: #8a6505;
    --accent-soft: #fff6dc;
    --accent-mid: #eadfb8;
    --rpc-bg: #fbfaf7;
    --rpc-surface: #ffffff;
    --rpc-border: #e7e1d6;
    --rpc-border-strong: #d8d0c2;
    --rpc-text: #2d2a26;
    --rpc-muted: #625c53;
    --rpc-warn: #b45309;
    --rpc-warn-soft: #fff7ed;
    --rpc-mono: 'Courier New', Courier, monospace;
    --rpc-sans: Helvetica, Arial, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", sans-serif;
    --rpc-shadow: 0 1px 4px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.035);
    display: grid;
    gap: 16px;
    padding: 22px;
    border: 1px solid #eee7dc;
    border-radius: 18px;
    background: var(--rpc-bg);
    color: var(--rpc-text);
    font-family: var(--rpc-sans);
}

#tool-running-pace-calculator .rpc-tool-intro {
    display: grid;
    gap: 8px;
}

#tool-running-pace-calculator .rpc-title-wrap {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    gap: 8px 12px;
}

#tool-running-pace-calculator .rpc-kicker {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    padding: 5px 10px;
    border: 1px solid rgba(184, 134, 11, 0.24);
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-size: 15px;
    font-weight: 800;
}

#tool-running-pace-calculator .tool-section-title {
    margin: 0;
    color: var(--rpc-text);
    letter-spacing: -0.03em;
}

#tool-running-pace-calculator .rpc-tool-lead {
    max-width: 900px;
    margin: 0;
    color: var(--rpc-muted);
    font-size: 17px;
    line-height: 1.7;
}

#tool-running-pace-calculator .rpc-main-layout {
    display: grid;
    grid-template-columns: minmax(300px, 0.84fr) minmax(0, 1.16fr);
    gap: 14px;
    align-items: start;
}

#tool-running-pace-calculator .rpc-input-col,
#tool-running-pace-calculator .rpc-result-col {
    display: grid;
    gap: 10px;
    min-width: 0;
}

#tool-running-pace-calculator .rpc-card,
#tool-running-pace-calculator .rpc-main-result,
#tool-running-pace-calculator .rpc-summary-card,
#tool-running-pace-calculator .rpc-warning,
#tool-running-pace-calculator .rpc-note-box {
    min-width: 0;
    border: 1px solid var(--rpc-border);
    border-radius: 14px;
    background: var(--rpc-surface);
    box-shadow: var(--rpc-shadow);
}

#tool-running-pace-calculator .rpc-card {
    display: grid;
    gap: 12px;
    padding: 14px;
}

#tool-running-pace-calculator .rpc-input-card {
    border-color: rgba(184, 134, 11, 0.28);
}

#tool-running-pace-calculator .rpc-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    min-width: 0;
}

#tool-running-pace-calculator .rpc-card-head h3 {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin: 0;
    color: var(--rpc-text);
    font-size: 17px;
    font-weight: 800;
    letter-spacing: -0.01em;
}

#tool-running-pace-calculator .rpc-card-head i {
    color: var(--accent);
}

#tool-running-pace-calculator .rpc-head-note {
    flex: 0 0 auto;
    color: var(--rpc-muted);
    font-family: var(--rpc-mono);
    font-size: 14px;
    font-weight: 800;
}

#tool-running-pace-calculator .rpc-input-grid,
#tool-running-pace-calculator .rpc-input-group,
#tool-running-pace-calculator .rpc-chip-zone {
    display: grid;
    gap: 8px;
    min-width: 0;
}

#tool-running-pace-calculator .rpc-input-group label,
#tool-running-pace-calculator .rpc-chip-label,
#tool-running-pace-calculator .rpc-summary-label,
#tool-running-pace-calculator .rpc-result-topline {
    color: var(--rpc-muted);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.02em;
}

#tool-running-pace-calculator .rpc-distance-row,
#tool-running-pace-calculator .rpc-time-grid,
#tool-running-pace-calculator .rpc-unit-input {
    display: grid;
    gap: 7px;
    min-width: 0;
    align-items: center;
}

#tool-running-pace-calculator .rpc-distance-row {
    grid-template-columns: minmax(0, 1fr) 92px;
}

#tool-running-pace-calculator .rpc-time-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

#tool-running-pace-calculator .rpc-unit-input {
    grid-template-columns: minmax(0, 1fr) auto;
    border: 1px solid var(--rpc-border-strong);
    border-radius: 10px;
    background: #fff;
    transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

#tool-running-pace-calculator .rpc-unit-input:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.13);
}

#tool-running-pace-calculator .rpc-unit-input span {
    padding-right: 9px;
    color: var(--rpc-muted);
    font-size: 14px;
    font-weight: 800;
    white-space: nowrap;
}

#tool-running-pace-calculator .rpc-input,
#tool-running-pace-calculator .rpc-select {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    min-height: 40px;
    border: 1px solid var(--rpc-border-strong);
    border-radius: 10px;
    background: #fff;
    color: var(--rpc-text);
    font-size: 16px;
    line-height: 1.4;
    transition: border-color 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
}

#tool-running-pace-calculator .rpc-input {
    padding: 9px 10px;
    font-family: var(--rpc-mono);
    font-weight: 800;
}

#tool-running-pace-calculator .rpc-unit-input .rpc-input {
    border: 0;
    border-radius: 10px 0 0 10px;
    background: transparent;
}

#tool-running-pace-calculator .rpc-select {
    padding: 9px 8px;
    font-weight: 800;
}

#tool-running-pace-calculator .rpc-input:hover,
#tool-running-pace-calculator .rpc-select:hover {
    border-color: var(--accent-mid);
}

#tool-running-pace-calculator .rpc-input:focus,
#tool-running-pace-calculator .rpc-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.13);
}

#tool-running-pace-calculator .rpc-unit-input .rpc-input:focus {
    box-shadow: none;
}

#tool-running-pace-calculator .rpc-input[aria-invalid="true"],
#tool-running-pace-calculator .rpc-select[aria-invalid="true"] {
    border-color: var(--rpc-warn);
    background: var(--rpc-warn-soft);
}

#tool-running-pace-calculator .rpc-chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

#tool-running-pace-calculator .rpc-preset-chip {
    min-height: 32px;
    border: 1px solid rgba(184, 134, 11, 0.24);
    border-radius: 999px;
    background: #fff;
    color: var(--rpc-muted);
    cursor: pointer;
    font-family: inherit;
    font-size: 13px;
    font-weight: 800;
    padding: 6px 10px;
    transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

#tool-running-pace-calculator .rpc-preset-chip:hover,
#tool-running-pace-calculator .rpc-preset-chip:focus-visible,
#tool-running-pace-calculator .rpc-preset-chip.is-active {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent-strong);
    outline: none;
}

#tool-running-pace-calculator .rpc-action-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 8px;
}

#tool-running-pace-calculator .rpc-action-row .tool-btn {
    min-width: 0;
    min-height: 40px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 800;
}

#tool-running-pace-calculator .rpc-copy-btn {
    background: #f3df91;
    color: #2d2a26;
}

#tool-running-pace-calculator .rpc-reset-btn {
    border: 1px solid var(--rpc-border-strong);
    background: #fff;
    color: var(--rpc-muted);
}

#tool-running-pace-calculator .rpc-warning {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-color: rgba(180, 83, 9, 0.35);
    background: var(--rpc-warn-soft);
    color: var(--rpc-warn);
    font-weight: 800;
}

#tool-running-pace-calculator .rpc-hidden {
    display: none !important;
}

#tool-running-pace-calculator .rpc-main-result {
    display: grid;
    gap: 8px;
    padding: 18px;
    border-color: rgba(184, 134, 11, 0.32);
    background: linear-gradient(135deg, #fffaf0 0%, #f6edcf 100%);
}

#tool-running-pace-calculator .rpc-main-result h3 {
    margin: 0;
    color: var(--rpc-text);
    font-size: 18px;
    font-weight: 900;
    letter-spacing: -0.02em;
}

#tool-running-pace-calculator .rpc-result-value {
    display: flex;
    align-items: baseline;
    gap: 6px;
    color: var(--accent-strong);
    font-family: var(--rpc-mono);
    font-size: clamp(38px, 6vw, 54px);
    font-weight: 900;
    letter-spacing: -0.06em;
    line-height: 1;
}

#tool-running-pace-calculator .rpc-result-value span:last-child {
    color: var(--rpc-muted);
    font-size: 24px;
    letter-spacing: -0.03em;
}

#tool-running-pace-calculator .rpc-result-lead,
#tool-running-pace-calculator .rpc-summary-card p,
#tool-running-pace-calculator .rpc-note-box p {
    margin: 0;
    color: var(--rpc-muted);
    font-size: 14px;
    line-height: 1.55;
}

#tool-running-pace-calculator .rpc-result-mini {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

#tool-running-pace-calculator .rpc-result-mini span {
    min-width: 0;
    padding: 8px 10px;
    border: 1px solid rgba(184, 134, 11, 0.2);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.55);
    color: var(--rpc-muted);
    font-size: 13px;
    font-weight: 800;
}

#tool-running-pace-calculator .rpc-result-mini strong {
    color: var(--rpc-text);
    font-family: var(--rpc-mono);
    font-size: 15px;
}

#tool-running-pace-calculator .rpc-summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
}

#tool-running-pace-calculator .rpc-summary-card {
    display: grid;
    gap: 5px;
    padding: 12px;
}

#tool-running-pace-calculator .rpc-summary-value {
    color: var(--accent-strong);
    font-family: var(--rpc-mono);
    font-size: 20px;
    font-weight: 900;
    line-height: 1.1;
    word-break: keep-all;
}

#tool-running-pace-calculator .rpc-target-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
}

#tool-running-pace-calculator .rpc-target-grid div {
    display: grid;
    gap: 4px;
    min-width: 0;
    padding: 10px;
    border: 1px solid var(--rpc-border);
    border-radius: 10px;
    background: #fffdf8;
}

#tool-running-pace-calculator .rpc-target-grid span {
    color: var(--rpc-muted);
    font-size: 13px;
    font-weight: 800;
}

#tool-running-pace-calculator .rpc-target-grid strong {
    color: var(--rpc-text);
    font-family: var(--rpc-mono);
    font-size: 16px;
    font-weight: 900;
}

#tool-running-pace-calculator .rpc-formula-box {
    min-width: 0;
    padding: 10px 12px;
    border: 1px dashed var(--accent-mid);
    border-radius: 10px;
    background: #fffdf8;
    overflow-x: auto;
}

#tool-running-pace-calculator .rpc-formula-box code {
    color: var(--rpc-text);
    font-family: var(--rpc-mono);
    font-size: 14px;
    font-weight: 800;
    white-space: nowrap;
}

#tool-running-pace-calculator .rpc-table-wrap {
    max-width: 100%;
    overflow-x: auto;
}

#tool-running-pace-calculator .rpc-table {
    width: 100%;
    border-collapse: collapse;
    color: var(--rpc-text);
    font-size: 14px;
}

#tool-running-pace-calculator .rpc-table th,
#tool-running-pace-calculator .rpc-table td {
    padding: 8px 9px;
    border-bottom: 1px solid var(--rpc-border);
    text-align: right;
    white-space: nowrap;
}

#tool-running-pace-calculator .rpc-table th:first-child,
#tool-running-pace-calculator .rpc-table td:first-child {
    text-align: left;
}

#tool-running-pace-calculator .rpc-table th {
    color: var(--rpc-muted);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.02em;
}

#tool-running-pace-calculator .rpc-table td {
    font-family: var(--rpc-mono);
    font-weight: 800;
}

#tool-running-pace-calculator .rpc-table td:first-child {
    font-family: var(--rpc-sans);
}

#tool-running-pace-calculator .rpc-table tr.is-highlighted td {
    background: var(--accent-soft);
    color: var(--accent-strong);
}

#tool-running-pace-calculator .rpc-note-box {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 12px;
    background: #fffdf8;
}

#tool-running-pace-calculator .rpc-note-box i {
    color: var(--accent);
    font-size: 17px;
    line-height: 1.4;
}

@media (max-width: 980px) {
    #tool-running-pace-calculator .rpc-main-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    #tool-running-pace-calculator {
        gap: 14px;
        padding: 16px;
        border-radius: 14px;
        overflow-x: hidden;
    }

    #tool-running-pace-calculator .rpc-tool-lead {
        font-size: 15px;
    }

    #tool-running-pace-calculator .rpc-card-head {
        align-items: flex-start;
        flex-direction: column;
    }

    #tool-running-pace-calculator .rpc-summary-grid,
    #tool-running-pace-calculator .rpc-target-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    #tool-running-pace-calculator .rpc-time-grid,
    #tool-running-pace-calculator .rpc-result-mini,
    #tool-running-pace-calculator .rpc-summary-grid,
    #tool-running-pace-calculator .rpc-target-grid,
    #tool-running-pace-calculator .rpc-action-row {
        grid-template-columns: 1fr;
    }

    #tool-running-pace-calculator .rpc-distance-row {
        grid-template-columns: minmax(0, 1fr) 82px;
    }

    #tool-running-pace-calculator .rpc-result-value {
        font-size: 38px;
    }
}

@media (max-width: 420px) {
    #tool-running-pace-calculator {
        padding: 14px 12px;
    }

    #tool-running-pace-calculator .rpc-table th,
    #tool-running-pace-calculator .rpc-table td {
        padding: 7px 6px;
        font-size: 13px;
    }
}

#tool-running-pace-calculator.rpc-tool,
#tool-running-pace-calculator .rpc-target-card,
#tool-running-pace-calculator .rpc-formula-card,
#tool-running-pace-calculator .rpc-table-card {
    min-width: 0;
}