/* ═══════════════════════════════════════════════════════════
   CALCULATOR PAGE
   Styles specific to /calculadora-rentabilidad.
   Depends on: tokens, base, layout, components/forms,
               components/buttons.
   ═══════════════════════════════════════════════════════════ */

/* ── Hero banner ─────────────────────────────────────────── */

.calc-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    margin: 0 calc(-1 * var(--space-lg)) var(--space-xl);
    padding: 3rem var(--space-lg) 2.5rem;
}

.calc-hero__eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,.6);
    margin-bottom: var(--space-sm);
}

.calc-hero__title {
    font-size: 2.25rem;
    font-weight: 800;
    margin: 0 0 var(--space-sm);
    color: #fff;
    letter-spacing: -0.02em;
}

.calc-hero__sub {
    font-size: 1rem;
    color: rgba(255,255,255,.8);
    margin: 0 0 1.75rem;
    max-width: 560px;
}

.calc-hero__sub strong { color: #fff; }

.calc-hero__stats {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Hero stat pill */
.hero-stat {
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.18);
    border-radius: var(--radius-sm);
    padding: 0.625rem var(--space-md);
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.hero-stat--highlight {
    background: rgba(255,255,255,.22);
    border-color: rgba(255,255,255,.35);
}

.hero-stat__val {
    font-size: 1.375rem;
    font-weight: 700;
    color: #fff;
    line-height: 1;
}

.hero-stat__lbl {
    font-size: 0.6875rem;
    color: rgba(255,255,255,.65);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.hero-stat__arrow {
    font-size: 1.125rem;
    color: rgba(255,255,255,.4);
    font-weight: 300;
}

/* ── Two-column layout ───────────────────────────────────── */

.calc-columns {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: var(--space-lg);
    align-items: start;
}

@media (max-width: 820px) {
    .calc-columns { grid-template-columns: 1fr; }
}

/* ── Results panel (sticky sidebar) ─────────────────────── */

.calc-panel {
    position: sticky;
    top: calc(56px + var(--space-md));
}

/* Placeholder state (before first calculation) */
.panel-placeholder {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-lg);
}

.panel-placeholder__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 var(--space-xs);
}

.panel-placeholder__sub {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin: 0 0 1.25rem;
}

.panel-placeholder__note {
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin: 0;
    line-height: 1.5;
}

/* Market reference widget */
.market-ref {
    background: var(--color-bg-page);
    border-radius: var(--radius-sm);
    padding: 0.875rem var(--space-md);
    margin-bottom: var(--space-md);
}

.market-ref__title {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    margin-bottom: 0.625rem;
}

.market-ref__row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8125rem;
    padding: 0.3rem 0;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
}

.market-ref__row:first-of-type { border-top: none; }

.market-ref__row--highlight {
    color: var(--color-primary);
    font-weight: 500;
}

.market-ref__val {
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--color-text);
}

.market-ref__row--highlight .market-ref__val { color: var(--color-primary); }

/* ── Results panel (after calculation) ──────────────────── */

.panel-results {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* Star metric (top of panel) */
.star-result {
    padding: var(--space-lg) var(--space-lg) 1.25rem;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.star-result--good { background: var(--color-success-bg); }
.star-result--warn { background: var(--color-danger-bg); }

.star-result__label {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--color-text-muted);
}

.star-result__value {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    color: var(--color-text);
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
}

.star-result--good .star-result__value { color: var(--color-success); }
.star-result--warn .star-result__value { color: var(--color-danger); }

.star-result__sub {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* Yield comparison bars */
.yield-compare {
    padding: var(--space-md) var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    border-bottom: 1px solid var(--color-border);
}

.yc-item {
    display: grid;
    grid-template-columns: 80px 1fr 44px;
    align-items: center;
    gap: 0.625rem;
}

.yc-item--highlight .yc-label { font-weight: 700; color: var(--color-text); }
.yc-item--bond { opacity: .75; }

.yc-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    white-space: nowrap;
}

.yc-bar {
    height: 6px;
    background: var(--color-border);
    border-radius: 99px;
    overflow: hidden;
}

.yc-fill {
    height: 100%;
    border-radius: 99px;
    transition: width 0.6s cubic-bezier(.4,0,.2,1);
}

.yc-fill--gross { background: #d1d5db; }
.yc-fill--net   { background: #6b7280; }
.yc-fill--real  { background: var(--color-success); }
.yc-fill--roce  { background: var(--color-primary); }\n.yc-fill--bond  { background: #9ca3af; }

.yc-val {
    font-size: 0.8125rem;
    font-weight: 700;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* vs-bond differential badge */
.diff-badge {
    margin: 0.75rem var(--space-lg) 0;
    padding: var(--space-sm) 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.diff-badge--pos {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid #bbf7d0;
}

.diff-badge--neg {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border: 1px solid #fecaca;
}

.diff-badge strong {
    font-size: 1rem;
    font-variant-numeric: tabular-nums;
}

/* Cash flow summary */
.cashflow-block {
    padding: 0.875rem var(--space-lg) var(--space-md);
    border-top: 1px solid var(--color-border);
    margin-top: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.cf-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.cf-row--muted { opacity: .7; }

.cf-label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.cf-value {
    font-size: 1.0625rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.cf-row--muted .cf-value { font-size: 0.875rem; }

/* ── Breakdown (expandable details) ─────────────────────── */

.breakdown {
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-xs);
}

.breakdown__toggle {
    padding: 0.875rem var(--space-lg);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-muted);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    transition: color var(--transition-fast);
}

.breakdown__toggle:hover { color: var(--color-primary); }
.breakdown__toggle::-webkit-details-marker { display: none; }

.breakdown__toggle::before {
    content: "›";
    font-size: 1rem;
    transition: transform var(--transition-med);
    display: inline-block;
}

details[open] .breakdown__toggle::before { transform: rotate(90deg); }

.breakdown__section {
    padding: 0 var(--space-lg) var(--space-md);
    border-top: 1px solid var(--color-border);
}

.breakdown__section h4 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin: 0.75rem 0 var(--space-sm);
}

/* Breakdown table */
.bt {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
}

.bt td {
    padding: var(--space-xs) 0;
    vertical-align: middle;
}

.bt td.num {
    text-align: right;
    font-variant-numeric: tabular-nums;
    padding-left: var(--space-sm);
    white-space: nowrap;
}

.bt tr + tr td { border-top: 1px solid var(--color-border); }

.bt-minus    td { color: var(--color-text-muted); }
.bt-total    td { font-weight: 700; border-top: 2px solid var(--color-border) !important; }
.bt-reduction td { color: var(--color-success); }
.bt-tax      td { color: var(--color-danger); }

.breakdown__note {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin: var(--space-sm) 0 0;
    font-style: italic;
    line-height: 1.5;
}

.breakdown__legal {
    color: var(--color-text-light, #9ca3af);
    font-size: 0.6875rem;
}

/* ── Mortgage summary ─────────────────────────────────────────────── */

.mortgage-summary {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-sm) var(--space-md);
    margin-top: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-surface-alt, #f8f9fa);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.btn-amortization {
    margin-left: auto;
    background: none;
    border: none;
    padding: 0;
    font-size: 0.85rem;
    color: var(--color-primary);
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: opacity var(--transition-fast);
}
.btn-amortization:hover { opacity: 0.75; }

/* ── Modal ────────────────────────────────────────────────────────── */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-md);
}

.modal {
    background: var(--color-surface, #fff);
    border-radius: 10px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 660px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
}

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border, #e5e7eb);
}
.modal__header h3 { margin: 0; font-size: 1rem; }

.modal__close {
    background: none;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    color: var(--color-text-muted);
    padding: var(--space-xs);
    line-height: 1;
    transition: color var(--transition-fast);
}
.modal__close:hover { color: var(--color-text); }

.modal__body {
    overflow-y: auto;
    padding: var(--space-md) var(--space-lg);
}

/* ── Amortization table ───────────────────────────────────────────── */

.amort-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}
.amort-table th,
.amort-table td {
    padding: var(--space-xs) var(--space-sm);
    text-align: right;
    border-bottom: 1px solid var(--color-border, #e5e7eb);
}
.amort-table th:first-child,
.amort-table td:first-child { text-align: left; }
.amort-table th {
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.amort-row--current td {
    background: var(--color-primary-light, #eff6ff);
    font-weight: 600;
}