@charset "UTF-8";

#hpwTool,
#hpwTool * {
    box-sizing: border-box;
}

#hpwTool {
    color: #2d2a26;
    display: grid;
    gap: 18px;
}

#hpwTool .hpw-tool-intro {
    display: grid;
    gap: 12px;
}

#hpwTool .hpw-tool-intro .tool-section-title {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    color: #1a1816;
}

#hpwTool .hpw-tool-intro .tool-section-title i,
#hpwTool .hpw-section-title i {
    color: #d4af37;
}

#hpwTool .hpw-tool-lead {
    margin: 0;
    color: #5f5a56;
    font-size: 15px;
    line-height: 1.7;
}

#hpwTool .hpw-main-layout {
    display: grid;
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

#hpwTool .hpw-input-col,
#hpwTool .hpw-result-col {
    display: grid;
    gap: 14px;
    min-width: 0;
}

#hpwTool .hpw-input-col {
    position: sticky;
    top: 20px;
}

#hpwTool .hpw-section,
#hpwTool .hpw-result-main,
#hpwTool .hpw-summary-card,
#hpwTool .hpw-disclaimer {
    border: 1px solid #e8e4dc;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 1px 4px rgba(45, 42, 38, 0.06);
}

#hpwTool .hpw-section {
    display: grid;
    gap: 12px;
    min-width: 0;
    padding: 18px;
}

#hpwTool .hpw-section-title {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    color: #2d2a26;
    font-size: 15px;
    font-weight: 700;
}

#hpwTool .hpw-input-grid,
#hpwTool .hpw-preset-section,
#hpwTool .hpw-input-group {
    display: grid;
    gap: 10px;
}

#hpwTool .hpw-input-group {
    min-width: 0;
}

#hpwTool .hpw-input-label,
#hpwTool .hpw-chip-title,
#hpwTool .hpw-summary-label,
#hpwTool .hpw-breakdown-label,
#hpwTool .hpw-result-kicker {
    margin: 0;
    color: #5f5a56;
    font-size: 13px;
    font-weight: 600;
}

#hpwTool .hpw-input-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    align-items: center;
}

#hpwTool .hpw-input {
    width: 100%;
    min-width: 0;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid #d8d1c6;
    border-radius: 8px;
    background: #fff;
    color: #2d2a26;
    font-size: 14px;
    line-height: 1.4;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

#hpwTool .hpw-input::placeholder {
    color: #c4c0bc;
    font-weight: 400;
}

#hpwTool .hpw-input:hover {
    border-color: #d4c67a;
}

#hpwTool .hpw-input:focus {
    outline: none;
    border-color: #d4af37;
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

#hpwTool .hpw-input[aria-invalid="true"] {
    border-color: #dc3232;
    box-shadow: 0 0 0 3px rgba(220, 50, 50, 0.12);
    background: #fff8f6;
}

#hpwTool .hpw-unit-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 8px 12px;
    border: 1px solid #ddd7cb;
    border-radius: 10px;
    background: #f7f4ee;
    color: #5f5a56;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
}

#hpwTool .hpw-input-hint,
#hpwTool .hpw-reference-list,
#hpwTool .hpw-result-lead,
#hpwTool .hpw-result-formula,
#hpwTool .hpw-summary-note,
#hpwTool .hpw-note-section p,
#hpwTool .hpw-waiting p {
    margin: 0;
    color: #6a6258;
    font-size: 13px;
    line-height: 1.6;
}

#hpwTool .hpw-chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

#hpwTool .hpw-chip {
    min-height: 40px;
    padding: 8px 12px;
    border: 1px solid #ddd7cb;
    border-radius: 999px;
    background: #f7f4ee;
    color: #5f5a56;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

#hpwTool .hpw-chip:hover,
#hpwTool .hpw-chip:focus-visible {
    border-color: #d4af37;
    color: #594f42;
    background: #fff;
    outline: none;
    transform: translateY(-1px);
}

#hpwTool .hpw-chip.active {
    border-color: #d4af37;
    background: linear-gradient(135deg, #fff8e6 0%, #f4ead0 100%);
    color: #7a5d14;
}

#hpwTool .hpw-action-row {
    display: flex;
    gap: 8px;
}

#hpwTool .hpw-calculate-btn,
#hpwTool .hpw-reset-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid #e8e4dc;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

#hpwTool .hpw-calculate-btn {
    flex: 1;
    background: #faf7f2;
    color: #2d2a26;
    box-shadow: 0 2px 6px rgba(212, 175, 55, 0.12);
}

#hpwTool .hpw-reset-btn {
    background: #f5f3f0;
    color: #5f5a56;
}

#hpwTool .hpw-calculate-btn:hover,
#hpwTool .hpw-reset-btn:hover {
    background: #f7f0e1;
    border-color: #d4af37;
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.18);
    color: #2d2a26;
}

#hpwTool .hpw-calculate-btn:focus-visible,
#hpwTool .hpw-reset-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

#hpwTool .hpw-reference-card {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.12), rgba(255, 250, 242, 0.96));
    border-color: rgba(212, 175, 55, 0.28);
}

#hpwTool .hpw-reference-list {
    padding-left: 18px;
    display: grid;
    gap: 8px;
}

#hpwTool .hpw-hidden {
    display: none !important;
}

#hpwTool .hpw-waiting {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 10px;
    align-items: start;
    color: #8c2424;
}

#hpwTool .hpw-waiting i {
    color: #dc3232;
    font-size: 20px;
    margin-top: 2px;
}

#hpwTool .hpw-waiting strong {
    display: block;
    margin: 0 0 4px;
    color: #7d2525;
    line-height: 1.5;
}

#hpwTool .hpw-result-main {
    display: grid;
    gap: 10px;
    padding: 20px;
    background: linear-gradient(135deg, #fdfbf5 0%, #faf6ec 100%);
    border-color: #eadfb8;
    box-shadow: 0 10px 24px rgba(212, 175, 55, 0.14);
}

#hpwTool .hpw-result-kicker {
    color: #8a6610;
}

#hpwTool .hpw-result-title {
    margin: 0;
    color: #2d2a26;
    font-size: 17px;
    font-weight: 700;
}

#hpwTool .hpw-result-value {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
}

#hpwTool #hpwResultHorsepower {
    font-size: clamp(30px, 5vw, 42px);
    line-height: 1.1;
    letter-spacing: -0.02em;
    font-weight: 700;
    color: #1f1b16;
    word-break: break-word;
}

#hpwTool .hpw-result-unit {
    color: #8a6610;
    font-size: 15px;
    font-weight: 700;
}

#hpwTool .hpw-summary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

#hpwTool .hpw-summary-card {
    display: grid;
    gap: 6px;
    padding: 16px;
}

#hpwTool .hpw-summary-value {
    color: #2d2a26;
    font-size: 22px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.01em;
    word-break: break-word;
}

#hpwTool .hpw-breakdown-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

#hpwTool .hpw-breakdown-card {
    display: grid;
    gap: 6px;
    min-width: 0;
    padding: 14px;
    border: 1px solid #eee7d8;
    border-radius: 12px;
    background: #fbfaf7;
}

#hpwTool .hpw-breakdown-card code {
    display: block;
    color: #2d2a26;
    font-size: 13px;
    line-height: 1.6;
    white-space: normal;
    word-break: break-word;
}

#hpwTool .hpw-note-section p {
    color: #5f5a56;
}

#hpwTool .hpw-disclaimer {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 10px;
    align-items: start;
    padding: 16px 18px;
    background: #fffdfa;
}

#hpwTool .hpw-disclaimer i {
    color: #d4af37;
    font-size: 18px;
    margin-top: 2px;
}

#hpwTool .hpw-disclaimer span {
    color: #5f5a56;
    font-size: 14px;
    line-height: 1.7;
}

@media (max-width: 900px) {
    #hpwTool .hpw-main-layout {
        grid-template-columns: 1fr;
    }

    #hpwTool .hpw-input-col {
        position: static;
    }
}

@media (max-width: 768px) {
    #hpwTool .hpw-summary-grid,
    #hpwTool .hpw-breakdown-grid {
        grid-template-columns: 1fr;
    }

    #hpwTool .hpw-section,
    #hpwTool .hpw-result-main {
        padding: 16px;
    }
}

@media (max-width: 480px) {
    #hpwTool .hpw-action-row {
        flex-direction: column;
    }

    #hpwTool .hpw-calculate-btn,
    #hpwTool .hpw-reset-btn {
        width: 100%;
    }

    #hpwTool .hpw-chip {
        width: 100%;
        justify-content: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    #hpwTool .hpw-input,
    #hpwTool .hpw-chip,
    #hpwTool .hpw-calculate-btn,
    #hpwTool .hpw-reset-btn {
        transition: none !important;
    }

    #hpwTool .hpw-chip:hover,
    #hpwTool .hpw-calculate-btn:hover,
    #hpwTool .hpw-reset-btn:hover {
        transform: none !important;
    }
}