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

#fpeTool .fpe-tool-intro {
    display: grid;
    gap: 12px;
}

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

#fpeTool .fpe-tool-intro .tool-section-title i,
#fpeTool .fpe-section-title i {
    color: #d4af37;
}

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

#fpeTool .fpe-main-layout {
    display: grid;
    grid-template-columns: minmax(320px, 360px) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

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

#fpeTool .fpe-input-col {
    position: sticky;
    top: 20px;
}

#fpeTool .fpe-section {
    display: grid;
    gap: 12px;
    min-width: 0;
    padding: 18px;
    border: 1px solid #e8e4dc;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 8px 24px rgba(45, 42, 38, 0.06);
}

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

#fpeTool .fpe-input-group {
    display: grid;
    gap: 6px;
}

#fpeTool .fpe-input-label {
    color: #2d2a26;
    font-size: 13px;
    font-weight: 700;
}

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

#fpeTool .fpe-input {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
    padding: 12px 14px;
    border: 1px solid #e8e4dc;
    border-radius: 12px;
    background: #fffdf8;
    color: #2d2a26;
    font-size: 16px;
    font-weight: 600;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

#fpeTool .fpe-input::placeholder {
    color: #a09a94;
    font-weight: 400;
}

#fpeTool .fpe-input:hover {
    border-color: #d7c27a;
}

#fpeTool .fpe-input:focus {
    outline: none;
    border-color: #d4af37;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.18);
}

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

#fpeTool .fpe-unit-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 8px 12px;
    border: 1px solid #e8e4dc;
    border-radius: 12px;
    background: #f7f3eb;
    color: #5f5a56;
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
}

#fpeTool .fpe-input-hint {
    margin: 0;
    color: #7a756d;
    font-size: 13px;
    line-height: 1.6;
}

#fpeTool .fpe-action-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
}

#fpeTool .fpe-calculate-btn,
#fpeTool .fpe-reset-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    min-height: 48px;
    padding: 12px 16px;
    border: 1px solid #e8e4dc;
    border-radius: 12px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 700;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

#fpeTool .fpe-calculate-btn {
    background: #faf7f2;
    border-color: #d8cfbf;
    color: #2d2a26;
}

#fpeTool .fpe-calculate-btn i {
    color: #c2951b;
}

#fpeTool .fpe-reset-btn {
    background: #faf7f2;
    color: #5f5a56;
}

#fpeTool .fpe-calculate-btn:hover,
#fpeTool .fpe-reset-btn:hover {
    background: #f7f0e1;
    border-color: #d4af37;
    color: #2d2a26;
    box-shadow: none;
}

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

#fpeTool .fpe-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);
}

#fpeTool .fpe-reference-list {
    margin: 0;
    padding-left: 18px;
    display: grid;
    gap: 8px;
    color: #5f5a56;
    font-size: 14px;
    line-height: 1.6;
}

#fpeTool .fpe-hidden {
    display: none !important;
}

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

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

#fpeTool .fpe-waiting strong,
#fpeTool .fpe-waiting p {
    display: block;
    margin: 0;
    line-height: 1.6;
}

#fpeTool .fpe-waiting p {
    font-size: 14px;
}

#fpeTool .fpe-result-main {
    display: grid;
    gap: 12px;
    padding: 20px;
    border: 1px solid rgba(212, 175, 55, 0.24);
    border-radius: 18px;
    background: linear-gradient(145deg, #fff8e8 0%, #ffffff 55%, #fffdf8 100%);
    box-shadow: 0 14px 28px rgba(45, 42, 38, 0.08);
}

#fpeTool .fpe-result-kicker {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(212, 175, 55, 0.12);
    color: #8a6610;
    font-size: 12px;
    font-weight: 700;
}

#fpeTool .fpe-result-title {
    margin: 0;
    color: #2d2a26;
    font-size: 18px;
    font-weight: 700;
}

#fpeTool .fpe-result-value {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    flex-wrap: wrap;
    line-height: 1;
}

#fpeTool #fpeResultValue {
    color: #1a1816;
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    letter-spacing: -0.03em;
}

#fpeTool .fpe-result-unit {
    padding-bottom: 4px;
    color: #5f5a56;
    font-size: 16px;
    font-weight: 700;
}

#fpeTool .fpe-result-lead,
#fpeTool .fpe-result-formula,
#fpeTool .fpe-summary-note,
#fpeTool .fpe-note-section p,
#fpeTool .fpe-disclaimer {
    margin: 0;
    line-height: 1.6;
}

#fpeTool .fpe-result-lead,
#fpeTool .fpe-summary-note,
#fpeTool .fpe-note-section p,
#fpeTool .fpe-disclaimer {
    color: #5f5a56;
    font-size: 14px;
}

#fpeTool .fpe-result-formula,
#fpeTool .fpe-breakdown-card code {
    color: #2d2a26;
    font-size: 13px;
    font-family: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    line-height: 1.6;
}

#fpeTool .fpe-summary-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

#fpeTool .fpe-summary-card {
    display: grid;
    gap: 8px;
    padding: 16px;
    border: 1px solid #e8e4dc;
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 6px 18px rgba(45, 42, 38, 0.05);
}

#fpeTool .fpe-summary-label,
#fpeTool .fpe-breakdown-label {
    color: #5f5a56;
    font-size: 13px;
    font-weight: 700;
}

#fpeTool .fpe-summary-value {
    color: #1a1816;
    font-size: 24px;
    font-weight: 800;
    line-height: 1.2;
}

#fpeTool .fpe-breakdown-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

#fpeTool .fpe-breakdown-card {
    display: grid;
    gap: 8px;
    min-width: 0;
    padding: 14px;
    border: 1px solid #eee5d4;
    border-radius: 12px;
    background: #faf7f0;
}

#fpeTool .fpe-breakdown-card code {
    word-break: break-word;
}

#fpeTool .fpe-note-section {
    gap: 14px;
}

#fpeTool .fpe-disclaimer {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 12px;
    align-items: start;
    padding: 14px 16px;
    border: 1px dashed rgba(212, 175, 55, 0.42);
    border-radius: 14px;
    background: #fff8ea;
}

#fpeTool .fpe-disclaimer i {
    color: #d4af37;
    margin-top: 2px;
}

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

    #fpeTool .fpe-input-col {
        position: static;
    }

    #fpeTool .fpe-summary-grid,
    #fpeTool .fpe-breakdown-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    #fpeTool .fpe-section,
    #fpeTool .fpe-result-main,
    #fpeTool .fpe-summary-card,
    #fpeTool .fpe-breakdown-card,
    #fpeTool .fpe-disclaimer {
        padding: 16px;
    }

    #fpeTool .fpe-action-row,
    #fpeTool .fpe-summary-grid,
    #fpeTool .fpe-breakdown-grid {
        grid-template-columns: 1fr;
    }

    #fpeTool #fpeResultValue {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    #fpeTool .fpe-main-layout {
        gap: 16px;
    }

    #fpeTool .fpe-section,
    #fpeTool .fpe-result-main,
    #fpeTool .fpe-summary-card,
    #fpeTool .fpe-breakdown-card,
    #fpeTool .fpe-disclaimer {
        padding: 14px;
    }

    #fpeTool .fpe-input-row {
        grid-template-columns: 1fr;
    }

    #fpeTool .fpe-unit-chip {
        width: 100%;
        justify-content: flex-start;
    }

    #fpeTool #fpeResultValue {
        font-size: 28px;
    }

    #fpeTool .fpe-summary-value {
        font-size: 22px;
    }
}

@media (prefers-reduced-motion: reduce) {
    #fpeTool .fpe-input,
    #fpeTool .fpe-calculate-btn,
    #fpeTool .fpe-reset-btn {
        transition: none;
    }
}