/* ── Page header ──────────────────────────────────────────────── */
    .calc-header { padding: 1rem 0 0.25rem; }
    .calc-header h1 {
        font-size: clamp(1.6rem, 3.5vw, 2.2rem);
        font-weight: 700;
        color: var(--text-main);
        margin: 0 0 0.5rem;
        line-height: 1.2;
    }
    .calc-header p {
        font-size: 0.97rem;
        color: var(--text-muted);
        max-width: 580px;
        margin: 0;
        line-height: 1.65;
    }

    /* ── Panel unificado (veredicto + ruta + comparación) ─────────── */
    .calc-panel {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-sm);
        overflow: hidden;
        margin-top: 1.75rem;
    }
    .calc-vhead {
        padding: 1.25rem 1.5rem; color: #fff;
        display: flex; align-items: center; justify-content: space-between;
        gap: 1rem; flex-wrap: wrap;
    }
    .calc-vhead.is-yes     { background: #15803d; }
    .calc-vhead.is-no      { background: #9a3412; }
    .calc-vhead.is-neutral { background: var(--primary-deep, #4a3550); }
    .calc-vhead-txt { min-width: 220px; flex: 1; }
    .calc-vhead-h { font-size: 1.1rem; font-weight: 700; margin: 0; line-height: 1.3; }
    .calc-vhead-s { font-size: 0.85rem; opacity: 0.92; margin: 0.2rem 0 0; line-height: 1.5; }
    .calc-vhead-s .verdict-link { color: #fff; }
    .calc-vhead-amt { font-size: 1.85rem; font-weight: 800; line-height: 1; text-align: right; white-space: nowrap; }
    .calc-vhead-amt small { display: block; font-size: 0.72rem; font-weight: 400; opacity: 0.88; margin-top: 0.25rem; white-space: normal; }

    .calc-panel-body { display: grid; grid-template-columns: 320px 1fr; }
    .calc-panel-col { padding: 1.4rem 1.5rem; }
    .calc-panel-col + .calc-panel-col { border-left: 1px solid var(--border-subtle); }

    /* ── Comparación unificada (billetes + 3 pases) ───────────────── */
    .calc-cmp { display: flex; flex-direction: column; gap: 0.9rem; }
    .calc-cmp-empty { font-size: 0.85rem; color: var(--text-muted); font-style: italic; margin: 0; }
    .calc-cmp-row .lab {
        display: flex; justify-content: space-between; align-items: baseline;
        gap: 0.5rem; font-size: 0.88rem; margin-bottom: 0.35rem;
    }
    .calc-cmp-row .lab .name { font-weight: 600; color: var(--text-main); }
    .calc-cmp-row .lab .name small { font-weight: 400; color: var(--text-muted); }
    .calc-cmp-row .lab .price { font-weight: 700; text-align: right; }
    .calc-cmp-bar { height: 16px; border-radius: var(--radius-pill); background: #eee; overflow: hidden; }
    .calc-cmp-bar i { display: block; height: 100%; border-radius: var(--radius-pill); transition: width 0.3s ease; }
    .calc-cmp-row.is-tickets .calc-cmp-bar i { background: var(--primary-deep, #4a3550); }
    .calc-cmp-row.is-pass    .calc-cmp-bar i { background: #cbb3c4; }
    .calc-cmp-row.is-win     .calc-cmp-bar i { background: #15803d; }
    .calc-cmp-row.is-win .lab .name { color: #15803d; }
    .calc-cmp-tag {
        font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
        color: #15803d; background: #dcfce7; padding: 0.1rem 0.45rem;
        border-radius: var(--radius-pill); margin-left: 0.35rem;
    }
    @media (max-width: 900px) {
        .calc-panel-body { grid-template-columns: 1fr; }
        .calc-panel-col + .calc-panel-col { border-left: none; border-top: 1px solid var(--border-subtle); }
    }

    /* ── Shared block card ────────────────────────────────────────── */
    .calc-block {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        border-top: 3px solid var(--primary-color);
        box-shadow: var(--shadow-sm);
        padding: 1.25rem 1.4rem;
        margin-bottom: 1.25rem;
    }
    .calc-block:last-child { margin-bottom: 0; }
    .calc-block-title {
        font-size: 0.72rem;
        font-weight: 700;
        letter-spacing: 0.07em;
        text-transform: uppercase;
        color: var(--text-muted);
        margin: 0 0 1rem;
    }

    /* ── City add row ─────────────────────────────────────────────── */
    .calc-city-add { display: flex; gap: 0.5rem; margin-bottom: 0.75rem; }
    .calc-city-add select {
        flex: 1; min-width: 0;
        padding: 0.55rem 2rem 0.55rem 0.7rem;
        border: 1.5px solid var(--border-subtle);
        border-radius: var(--radius-sm);
        font-size: 0.9rem; color: var(--text-main);
        background: var(--bg-page);
        appearance: none;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 0.65rem center;
    }
    .calc-city-add select:focus { outline: none; border-color: var(--primary-color); }
    .calc-city-add button {
        padding: 0.55rem 1.1rem;
        background: var(--primary-color); color: #fff;
        border: none; border-radius: var(--radius-sm);
        font-size: 0.9rem; font-weight: 600;
        cursor: pointer; white-space: nowrap; flex-shrink: 0;
    }
    .calc-city-add button:hover { opacity: 0.88; }

    /* ── City list ────────────────────────────────────────────────── */
    .calc-city-hint { font-size: 0.85rem; color: var(--text-muted); text-align: center; padding: 0.5rem 0; }

    /* ── Options ──────────────────────────────────────────────────── */
    .calc-option-row {
        display: flex; align-items: center; justify-content: space-between;
        gap: 0.75rem; padding: 0.6rem 0;
        border-bottom: 1px solid var(--border-subtle);
    }
    .calc-option-row:last-child { border-bottom: none; }
    .calc-option-label { font-size: 0.88rem; color: var(--text-main); font-weight: 500; }
    .calc-stepper {
        display: flex; align-items: center;
        border: 1.5px solid var(--border-subtle);
        border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0;
    }
    .calc-stepper button {
        background: none; border: none; width: 30px; height: 30px;
        font-size: 1.1rem; cursor: pointer; color: var(--primary-color); font-weight: 700;
        display: flex; align-items: center; justify-content: center;
    }
    .calc-stepper button:hover:not(:disabled) { background: var(--primary-soft); }
    .calc-stepper button:disabled { opacity: 0.3; cursor: default; }
    .calc-stepper-val { min-width: 26px; text-align: center; font-size: 0.95rem; font-weight: 600; color: var(--text-main); }

    /* ── Yen secondary amount ─────────────────────────────────────── */
    .yen-amount { font-size: 0.78em; color: var(--text-muted); display: block; margin-top: 1px; }

    /* ── Via intermediate city label ─────────────────────────────── */
    .fare-via { display: block; font-size: 0.78em; color: var(--text-muted); margin-top: 1px; }

    /* ── Fare table ───────────────────────────────────────────────── */
    .calc-fare-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
    .calc-fare-table thead tr {
        background: var(--primary-soft);
    }
    .calc-fare-table th {
        text-align: left; padding: 0.6rem 0.75rem;
        font-size: 0.72rem; font-weight: 700;
        text-transform: uppercase; letter-spacing: 0.05em;
        color: var(--primary-color);
    }
    .calc-fare-table th:not(:first-child) { text-align: right; }
    .calc-fare-table td {
        padding: 0.6rem 0.75rem;
        border-bottom: 1px solid var(--border-subtle);
        color: var(--text-main); vertical-align: middle;
    }
    .calc-fare-table td:not(:first-child) { text-align: right; }
    .calc-fare-table tbody tr:last-child td { border-bottom: none; }
    .calc-fare-table tbody tr:hover td { background: var(--primary-soft); }
    .calc-fare-row-unknown td { color: var(--text-muted); font-style: italic; }
    .calc-fare-tfoot td {
        font-weight: 700; color: var(--text-main);
        border-top: 2px solid var(--border-subtle); border-bottom: none !important;
        padding-top: 0.65rem; background: var(--bg-page);
    }
    .calc-fare-warn {
        margin-top: 0.8rem; font-size: 0.8rem; color: #92400e;
        background: #fffbeb; border: 1px solid #fde68a;
        border-radius: 8px; padding: 0.55rem 0.75rem; line-height: 1.55;
    }

    /* ── Verdict link (reutilizado en la cabecera del panel) ──────── */
    .verdict-link { font-weight: 600; text-decoration: underline; text-underline-offset: 2px; color: inherit; white-space: nowrap; }

    /* ── Link section ─────────────────────────────────────────────── */
    .calc-links { margin: 2rem 0 0; }
    .calc-links-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    @media (max-width: 900px) {
        .calc-links-grid { grid-template-columns: repeat(2, 1fr); }
    }
    .calc-link-card {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        border-top: 3px solid var(--primary-color);
        box-shadow: var(--shadow-sm);
        padding: 1.1rem 1.25rem;
        text-decoration: none;
        display: flex; flex-direction: column;
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .calc-link-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
    .calc-link-card-title { font-size: 0.95rem; font-weight: 600; color: var(--text-main); margin-bottom: 0.3rem; line-height: 1.35; }
    .calc-link-card-desc  { font-size: 0.83rem; color: var(--text-muted); line-height: 1.6; flex: 1; }
    .calc-link-card-cta   { font-size: 0.8rem; font-weight: 600; color: var(--primary-color); margin-top: 0.75rem; }

    /* ── Responsive ───────────────────────────────────────────────── */
    @media (max-width: 600px) {
        .calc-links-grid  { grid-template-columns: 1fr; }
    }

    /* ── Price increase alert (compact strip) ───────────────────────── */
    .calc-price-alert {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        background: #fffbeb;
        border: 1px solid #fde68a;
        border-radius: var(--radius-sm);
        padding: 0.5rem 0.85rem;
        margin: 0.85rem 0 0;
        font-size: 0.82rem;
        color: #92400e;
        flex-wrap: wrap;
    }
    .calc-price-alert-link {
        font-weight: 600;
        color: #92400e;
        text-decoration: underline;
        text-underline-offset: 2px;
        white-space: nowrap;
    }
    .calc-price-alert-link:hover { color: #78350f; }

    /* ── Static guide section ─────────────────────────────────────── */
    .calc-guide { margin-top: 2.75rem; }
    .calc-guide-title {
        font-size: 1.15rem;
        font-weight: 700;
        color: var(--text-main);
        margin: 0 0 0.9rem;
    }
    .calc-guide p {
        font-size: 0.92rem;
        color: var(--text-muted);
        line-height: 1.75;
        margin: 0 0 0.8rem;
    }
    .calc-guide p:last-child { margin-bottom: 0; }

    /* ── FAQ accordion ────────────────────────────────────────────── */
    .calc-faq { margin-top: 2.75rem; }
    .calc-faq-title {
        font-size: 1.15rem;
        font-weight: 700;
        color: var(--text-main);
        margin: 0 0 0.25rem;
    }
    .calc-faq details { border-bottom: 1px solid var(--border-subtle); }
    .calc-faq details:first-of-type { border-top: 1px solid var(--border-subtle); }
    .calc-faq summary {
        padding: 0.9rem 0;
        font-size: 0.93rem;
        font-weight: 600;
        color: var(--text-main);
        cursor: pointer;
        list-style: none;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
        user-select: none;
    }
    .calc-faq summary::-webkit-details-marker { display: none; }
    .calc-faq summary::after {
        content: '+';
        font-size: 1.15rem;
        color: var(--primary-color);
        font-weight: 400;
        flex-shrink: 0;
        line-height: 1;
    }
    .calc-faq details[open] summary::after { content: '−'; }
    .calc-faq-answer {
        padding: 0 0 1rem;
        font-size: 0.9rem;
        color: var(--text-muted);
        line-height: 1.72;
        margin: 0;
    }

    /* ── Itinerario como mapa de ruta (timeline) ──────────────────── */
    .calc-timeline { list-style: none; margin: 0; padding: 0; }
    .calc-tl-node {
        display: flex; align-items: center; gap: 0.6rem;
        padding: 0.45rem 0; touch-action: none;
    }
    .calc-tl-node.is-dragging { opacity: 0.35; }
    .calc-tl-handle {
        color: var(--text-muted); cursor: grab; font-size: 0.85rem;
        opacity: 0.45; user-select: none; flex-shrink: 0; line-height: 1;
    }
    .calc-tl-handle:hover { opacity: 0.9; }
    .calc-tl-dot {
        width: 14px; height: 14px; border-radius: 50%;
        background: var(--primary-color); border: 3px solid var(--bg-card);
        box-shadow: 0 0 0 2px var(--primary-color);
        flex-shrink: 0; margin-left: 3px;
    }
    .calc-tl-name { flex: 1; font-size: 0.95rem; color: var(--text-main); font-weight: 600; }
    .calc-tl-remove {
        background: none; border: none; color: var(--text-muted);
        cursor: pointer; font-size: 1rem; line-height: 1;
        padding: 0.25rem 0.35rem; border-radius: 6px; flex-shrink: 0; margin-left: auto;
    }
    .calc-tl-remove:hover { background: #fee2e2; color: #dc2626; }
    .calc-tl-seg {
        display: flex; align-items: center; min-height: 30px;
        margin-left: 9px; padding: 0.05rem 0;
        border-left: 2px dashed var(--border-subtle);
    }
    .calc-tl-seg .calc-tl-cost { margin-left: 1.4rem; font-size: 0.82rem; color: var(--text-muted); }
    .calc-tl-seg .calc-tl-cost b { color: var(--text-main); font-weight: 600; }
    .calc-tl-seg.is-unknown .calc-tl-cost { color: #92400e; font-style: italic; }