/* =====================================================
           TOOL PAGE — scoped styles (shared across tools)
           ===================================================== */

        .tool-page {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .tool-hero {
            background: var(--color-dark);
            padding: 80px var(--sp-md) 48px;
            text-align: center;
        }

        .tool-hero h1 {
            font-family: var(--font-display);
            font-weight: 900;
            font-size: clamp(2rem, 5vw, 3rem);
            letter-spacing: -0.03em;
            color: #fff;
            margin-bottom: 12px;
        }

        .tool-hero p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.65);
            max-width: 520px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .tool-body {
            flex: 1;
            background: var(--color-dark);
            padding: 0 var(--sp-md) 80px;
        }

        .tool-container {
            max-width: 480px;
            margin: 0 auto;
        }

        /* Card */
        .tool-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, .12);
        }

        /* Form Elements */
        .tool-sex-toggle {
            display: flex;
            gap: 0;
            margin-bottom: 24px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 2px solid var(--color-border);
        }

        .tool-sex-toggle button {
            flex: 1;
            padding: 12px;
            border: none;
            background: transparent;
            font-family: var(--font-body);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            cursor: pointer;
            transition: all 0.2s;
        }

        .tool-sex-toggle button.active {
            background: var(--color-text);
            color: #fff;
        }

        .tool-unit-toggle {
            display: flex;
            justify-content: flex-end;
            gap: 6px;
            margin-bottom: 20px;
        }

        .tool-unit-toggle button {
            padding: 6px 14px;
            border-radius: 999px;
            border: 1.5px solid var(--color-border);
            background: transparent;
            font-family: var(--font-body);
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            cursor: pointer;
            transition: all 0.2s;
        }

        .tool-unit-toggle button.active {
            background: var(--color-text);
            color: #fff;
            border-color: var(--color-text);
        }

        .tool-field {
            margin-bottom: 16px;
        }

        .tool-field label {
            display: block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .tool-field input,
        .tool-field select {
            width: 100%;
            padding: 12px 14px;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-family: var(--font-body);
            font-size: 1rem;
            color: var(--color-text);
            background: #fafafa;
            transition: border-color 0.2s;
            box-sizing: border-box;
            -webkit-appearance: none;
        }

        .tool-field input:focus,
        .tool-field select:focus {
            outline: none;
            border-color: var(--color-text);
        }

        .tool-field select {
            cursor: pointer;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }

        .tool-inline-pair {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .tool-calculate-btn {
            width: 100%;
            padding: 14px;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--color-text);
            color: #fff;
            font-family: var(--font-body);
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: opacity 0.2s;
            margin-top: 8px;
        }

        .tool-calculate-btn:hover {
            opacity: 0.85;
        }

        /* Result */
        .tool-result {
            display: none;
            margin-top: 28px;
            text-align: center;
        }

        .tool-result.show {
            display: block;
        }

        .tool-result-number {
            font-family: var(--font-display);
            font-weight: 900;
            font-size: 3.2rem;
            letter-spacing: -0.03em;
            color: var(--color-text);
            line-height: 1;
        }

        .tool-result-unit {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            margin-left: 4px;
        }

        .tool-result-label {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            margin-top: 6px;
            font-weight: 500;
        }

        /* Goal cards */
        .tool-goals {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 10px;
            margin-top: 20px;
        }

        .tool-goal-card {
            background: #f6f6f6;
            border-radius: var(--radius-sm);
            padding: 14px 10px;
            text-align: center;
        }

        .tool-goal-card .goal-label {
            font-size: 0.72rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--color-text-secondary);
            margin-bottom: 4px;
        }

        .tool-goal-card .goal-value {
            font-family: var(--font-display);
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-text);
            letter-spacing: -0.02em;
        }

        .tool-goal-card .goal-unit {
            font-size: 0.75rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .tool-goal-card.deficit { border-top: 3px solid #4a90d9; }
        .tool-goal-card.maintain { border-top: 3px solid #5bb85b; }
        .tool-goal-card.surplus { border-top: 3px solid #e67e22; }

        /* BMR row */
        .tool-bmr-row {
            display: flex;
            justify-content: center;
            align-items: baseline;
            gap: 8px;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--color-border);
        }

        .tool-bmr-label {
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .tool-bmr-value {
            font-family: var(--font-display);
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--color-text);
        }

        /* Info section */
        .tool-info {
            margin-top: 28px;
        }

        .tool-info-card {
            background: #f6f6f6;
            border-radius: var(--radius-sm);
            padding: 20px;
            margin-bottom: 12px;
        }

        .tool-info-card h3 {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .tool-info-card p,
        .tool-info-card li {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }

        .tool-info-card ul {
            padding-left: 18px;
            margin-top: 8px;
        }

        .tool-info-card li {
            margin-bottom: 4px;
        }

        /* Other tools ribbon */
        .tool-other {
            margin-top: 32px;
            text-align: center;
        }

        .tool-other h3 {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 12px;
            color: var(--color-text);
        }

        .tool-other-links {
            display: flex;
            gap: 10px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .tool-other-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            background: #f6f6f6;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text);
            text-decoration: none;
            transition: background 0.2s;
        }

        .tool-other-links a:hover { background: #ececec; }

        /* CTA */
        .tool-cta-section {
            background: var(--color-surface);
            text-align: center;
            padding: 56px var(--sp-md);
        }

        .tool-cta-section h2 {
            font-family: var(--font-display);
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.025em;
            color: var(--color-text);
            margin-bottom: 12px;
        }

        .tool-cta-section p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            max-width: 460px;
            margin: 0 auto 24px;
        }

        .tool-cta-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 20px;
            border-radius: var(--radius-sm);
            background: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .tool-cta-icon svg {
            width: 26px;
            height: 26px;
            color: #fff;
        }

        /* Mobile */
        @media (max-width: 480px) {
            .tool-card { padding: 24px 18px; }
            .tool-goals { grid-template-columns: 1fr; gap: 8px; }
            .tool-goal-card { display: flex; align-items: center; justify-content: space-between; text-align: left; padding: 12px 16px; }
            .tool-goal-card .goal-label { margin-bottom: 0; }
        }