@charset "UTF-8";

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

#tool-running-time-calculator {
    --accent: #3f7fc0;
    --accent-strong: #255c92;
    --accent-soft: #eef6ff;
    --accent-mid: #bad8f3;
    --rtc-bg: #fbfaf7;
    --rtc-surface: #ffffff;
    --rtc-border: #e7e1d6;
    --rtc-border-strong: #d8d0c2;
    --rtc-text: #2d2a26;
    --rtc-muted: #625c53;
    --rtc-warn: #b45309;
    --rtc-warn-soft: #fff7ed;
    --rtc-mono: 'Courier New', Courier, monospace;
    --rtc-sans: Helvetica, Arial, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", sans-serif;
    --rtc-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(--rtc-bg);
    color: var(--rtc-text);
    font-family: var(--rtc-sans);
}


#tool-running-time-calculator.rtc-tool {
    max-width: 100%;
}

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

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

#tool-running-time-calculator .rtc-kicker {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    padding: 5px 10px;
    border: 1px solid rgba(63, 127, 192, 0.22);
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-size: 15px;
    font-weight: 800;
}

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

#tool-running-time-calculator .rtc-tool-lead {
    max-width: 920px;
    margin: 0;
    color: var(--rtc-muted);
    font-size: 17px;
    line-height: 1.7;
}

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

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

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

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

#tool-running-time-calculator .rtc-input-card {
    border-color: rgba(63, 127, 192, 0.25);
}

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

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

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

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

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

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

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

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

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

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

#tool-running-time-calculator .rtc-unit-input:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(63, 127, 192, 0.12);
}

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

#tool-running-time-calculator .rtc-input,
#tool-running-time-calculator .rtc-select {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    min-height: 40px;
    border: 1px solid var(--rtc-border-strong);
    border-radius: 10px;
    background: #fff;
    color: var(--rtc-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-time-calculator .rtc-input {
    padding: 9px 10px;
    font-family: var(--rtc-mono);
    font-weight: 800;
}

#tool-running-time-calculator .rtc-unit-input .rtc-input {
    border: 0;
    border-radius: 10px 0 0 10px;
}

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

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

#tool-running-time-calculator .rtc-input:focus,
#tool-running-time-calculator .rtc-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(63, 127, 192, 0.12);
}

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

#tool-running-time-calculator .rtc-input.is-invalid,
#tool-running-time-calculator .rtc-select.is-invalid {
    border-color: var(--rtc-warn);
    background: var(--rtc-warn-soft);
}

#tool-running-time-calculator .rtc-chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

#tool-running-time-calculator .rtc-preset-chip {
    min-height: 36px;
    padding: 7px 10px;
    border: 1px solid var(--rtc-border);
    border-radius: 999px;
    background: #fff;
    color: var(--rtc-muted);
    font-size: 14px;
    font-weight: 800;
    cursor: pointer;
    transition: border-color 0.16s ease, background-color 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

#tool-running-time-calculator .rtc-preset-chip:hover,
#tool-running-time-calculator .rtc-preset-chip.is-active {
    border-color: rgba(63, 127, 192, 0.35);
    background: var(--accent-soft);
    color: var(--accent-strong);
}

#tool-running-time-calculator .rtc-preset-chip:hover {
    transform: translateY(-1px);
}

#tool-running-time-calculator .rtc-action-row {
    display: flex;
    gap: 8px;
}

#tool-running-time-calculator .rtc-action-row .tool-btn {
    flex: 1 1 0;
    min-height: 42px;
    justify-content: center;
}

#tool-running-time-calculator .rtc-copy-btn,
#tool-running-time-calculator .rtc-reset-btn {
    background: #faf7f2;
    border: 1px solid var(--rtc-border);
    color: var(--rtc-text);
    box-shadow: 0 2px 6px rgba(63, 127, 192, 0.08);
}

#tool-running-time-calculator .rtc-copy-btn:hover,
#tool-running-time-calculator .rtc-reset-btn:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
}

#tool-running-time-calculator .rtc-warning {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-color: rgba(180, 83, 9, 0.25);
    background: var(--rtc-warn-soft);
    color: var(--rtc-warn);
    font-weight: 800;
}

#tool-running-time-calculator .rtc-hidden {
    display: none !important;
}

#tool-running-time-calculator .rtc-main-result {
    display: grid;
    gap: 8px;
    padding: 18px;
    border-color: rgba(63, 127, 192, 0.28);
    background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
    box-shadow: 0 10px 24px rgba(63, 127, 192, 0.13);
}

#tool-running-time-calculator .rtc-main-result h3 {
    margin: 0;
    color: var(--rtc-text);
    font-size: 18px;
    font-weight: 900;
}

#tool-running-time-calculator .rtc-result-value {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px;
    color: var(--accent-strong);
    font-family: var(--rtc-mono);
    font-size: clamp(35px, 6vw, 58px);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.06em;
}

#tool-running-time-calculator .rtc-result-lead {
    margin: 0;
    color: var(--rtc-muted);
    font-size: 16px;
    line-height: 1.6;
}

#tool-running-time-calculator .rtc-result-mini {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

#tool-running-time-calculator .rtc-result-mini span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    min-height: 30px;
    padding: 5px 9px;
    border: 1px solid rgba(63, 127, 192, 0.16);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    color: var(--rtc-muted);
    font-size: 13px;
    font-weight: 800;
}

#tool-running-time-calculator .rtc-result-mini strong {
    color: var(--rtc-text);
    font-family: var(--rtc-mono);
}

#tool-running-time-calculator .rtc-summary-grid,
#tool-running-time-calculator .rtc-target-grid {
    display: grid;
    gap: 8px;
    min-width: 0;
}

#tool-running-time-calculator .rtc-summary-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

#tool-running-time-calculator .rtc-summary-card {
    display: grid;
    gap: 4px;
    padding: 12px;
}

#tool-running-time-calculator .rtc-summary-value,
#tool-running-time-calculator .rtc-target-grid strong {
    color: var(--rtc-text);
    font-family: var(--rtc-mono);
    font-size: 18px;
    font-weight: 900;
    letter-spacing: -0.03em;
}

#tool-running-time-calculator .rtc-summary-card p {
    margin: 0;
    color: var(--rtc-muted);
    font-size: 12px;
    line-height: 1.45;
}

#tool-running-time-calculator .rtc-target-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

#tool-running-time-calculator .rtc-target-grid div {
    display: grid;
    gap: 4px;
    min-width: 0;
    padding: 10px;
    border: 1px solid rgba(63, 127, 192, 0.12);
    border-radius: 12px;
    background: #fbfdff;
}

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


#tool-running-time-calculator .rtc-target-card,
#tool-running-time-calculator .rtc-formula-card,
#tool-running-time-calculator .rtc-table-card {
    border-color: rgba(63, 127, 192, 0.14);
}

#tool-running-time-calculator .rtc-formula-box {
    max-width: 100%;
    overflow-x: auto;
    padding: 10px 12px;
    border: 1px solid rgba(63, 127, 192, 0.15);
    border-radius: 10px;
    background: #fbfdff;
}

#tool-running-time-calculator .rtc-formula-box code {
    color: var(--accent-strong);
    font-family: var(--rtc-mono);
    font-size: 15px;
    font-weight: 900;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: keep-all;
}

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

#tool-running-time-calculator .rtc-table {
    width: 100%;
    min-width: 0;
    border-collapse: collapse;
    font-size: 14px;
}

#tool-running-time-calculator .rtc-table th,
#tool-running-time-calculator .rtc-table td {
    padding: 9px 8px;
    border-bottom: 1px solid var(--rtc-border);
    text-align: left;
    vertical-align: middle;
}

#tool-running-time-calculator .rtc-table th {
    color: var(--rtc-muted);
    font-size: 13px;
    font-weight: 900;
}

#tool-running-time-calculator .rtc-table td:nth-child(n+2) {
    font-family: var(--rtc-mono);
    font-weight: 800;
    text-align: right;
}

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

#tool-running-time-calculator .rtc-note-box {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 9px;
    padding: 12px;
    color: var(--rtc-muted);
}

#tool-running-time-calculator .rtc-note-box i {
    color: var(--accent);
    font-size: 18px;
}

#tool-running-time-calculator .rtc-note-box p {
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
}

@media (max-width: 1080px) {
    #tool-running-time-calculator .rtc-main-layout {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    #tool-running-time-calculator {
        max-width: 100%;
        overflow-x: hidden;
        padding: 16px;
    }

    #tool-running-time-calculator .rtc-title-wrap,
    #tool-running-time-calculator .rtc-card-head {
        align-items: flex-start;
    }

    #tool-running-time-calculator .rtc-card-head {
        flex-direction: column;
    }

    #tool-running-time-calculator .rtc-distance-row,
    #tool-running-time-calculator .rtc-pace-row {
        grid-template-columns: 1fr;
    }

    #tool-running-time-calculator .rtc-action-row,
    #tool-running-time-calculator .rtc-chip-group {
        flex-direction: column;
    }

    #tool-running-time-calculator .rtc-preset-chip {
        width: 100%;
        text-align: center;
    }

    #tool-running-time-calculator .rtc-input,
    #tool-running-time-calculator .rtc-select {
        width: 100% !important;
        max-width: 100% !important;
    }
}

@media (max-width: 520px) {
    #tool-running-time-calculator .rtc-summary-grid,
    #tool-running-time-calculator .rtc-target-grid {
        grid-template-columns: 1fr;
    }

    #tool-running-time-calculator .rtc-result-value {
        font-size: 34px;
    }

    #tool-running-time-calculator .rtc-table th,
    #tool-running-time-calculator .rtc-table td {
        padding: 8px 6px;
        font-size: 13px;
    }
}

@media (prefers-reduced-motion: reduce) {
    #tool-running-time-calculator .rtc-input,
    #tool-running-time-calculator .rtc-select,
    #tool-running-time-calculator .rtc-preset-chip,
    #tool-running-time-calculator .rtc-copy-btn,
    #tool-running-time-calculator .rtc-reset-btn {
        transition: none !important;
    }

    #tool-running-time-calculator .rtc-preset-chip:hover {
        transform: none !important;
    }
}