/* ============================================================
   BFX3 — css/calculadora.css
   Depende de perfil.css para variables, body, sidebar y navbar.
   Todo el estilo del contenido se scope dentro de .calc-content.
   ============================================================ */

/* ── Grid 2 columnas ─────────────────────────────────────── */
.calc-content .grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 24px;
    align-items: start;
}

@media (max-width: 900px) {
    .calc-content .grid { grid-template-columns: 1fr; }
}

/* ── Panel ───────────────────────────────────────────────── */
.calc-content .panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: relative;
    overflow: hidden;
}

.calc-content .panel::before {
    content: '';
    position: absolute; inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(245,191,93,.04), transparent 40%);
}

.calc-content .panel__title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 18px;
    letter-spacing: -.3px;
    margin: 0 0 8px;
    color: var(--color-action);
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative; z-index: 1;
}

.calc-content .tag {
    font-family: var(--font-body);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .6px;
    text-transform: uppercase;
    padding: 3px 9px;
    border-radius: 100px;
    border: 1px solid rgba(74,222,128,.30);
    color: var(--color-success);
    background: rgba(74,222,128,.06);
}

.calc-content .panel__desc {
    margin: 0 0 20px;
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.55;
    position: relative; z-index: 1;
}

/* ── Form elements ───────────────────────────────────────── */
.calc-content .field { margin-bottom: 16px; position: relative; z-index: 1; }

.calc-content .field label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    margin-bottom: 7px;
}

.calc-content .hint {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--color-text-secondary);
    opacity: .7;
}

.calc-content select,
.calc-content input[type="number"] {
    width: 100%;
    background: rgba(255,255,255,.04);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    padding: 11px 14px;
    font-size: 15px;
    font-family: var(--font-body);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
    appearance: none;
    -webkit-appearance: none;
}

.calc-content select {
    background-image:
        linear-gradient(45deg,  transparent 50%, var(--color-action) 50%),
        linear-gradient(135deg, var(--color-action) 50%, transparent 50%);
    background-position: calc(100% - 18px) calc(50% - 3px), calc(100% - 13px) calc(50% - 3px);
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    background-color: rgba(255,255,255,.04);
    cursor: pointer;
}

.calc-content select:focus,
.calc-content input[type="number"]:focus {
    border-color: var(--color-action);
    box-shadow: 0 0 0 3px rgba(245,191,93,.15);
}

.calc-content .field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 4px;
}

@media (max-width: 480px) {
    .calc-content .field-row { grid-template-columns: 1fr; }
}

/* ── Levels table ────────────────────────────────────────── */
.calc-content .levels-table-wrap {
    margin-bottom: 20px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative; z-index: 1;
}

.calc-content .levels-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.calc-content .levels-table thead th {
    background: rgba(37,36,74,.70);
    color: var(--color-text-secondary);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .8px;
    text-transform: uppercase;
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-border);
}

.calc-content .levels-table tbody td {
    padding: 8px 12px;
    border-bottom: 1px solid rgba(81,39,123,.25);
    color: var(--color-text-secondary);
    vertical-align: middle;
}

.calc-content .levels-table tbody tr:last-child td { border-bottom: none; }
.calc-content .levels-table tbody tr:nth-child(even) { background: rgba(255,255,255,.015); }

.calc-content .levels-table .lv-name {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-action);
    white-space: nowrap;
}

.calc-content .levels-table .lv-cost {
    font-weight: 600;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.calc-content .levels-table input[type="number"] {
    width: 80px;
    padding: 6px 8px;
    font-size: 13px;
    text-align: center;
}

.calc-content .lv-max-hint {
    font-size: 11px;
    color: var(--color-text-secondary);
    opacity: .65;
    margin-top: 2px;
    display: block;
}

/* ── Calcular button ─────────────────────────────────────── */
.calc-content .btn {
    width: 100%;
    border: none;
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 15px;
    letter-spacing: .5px;
    text-transform: uppercase;
    cursor: pointer;
    background: var(--color-action);
    color: #0d0d0d;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    box-shadow: 0 6px 20px rgba(245,191,93,.20);
    position: relative; z-index: 1;
}

.calc-content .btn:hover {
    background: var(--color-interaction);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(235,95,168,.25);
}

.calc-content .btn:active { transform: translateY(0); }

.calc-content .btn:focus-visible {
    outline: 2px solid var(--color-success);
    outline-offset: 3px;
}

/* ── Results area ────────────────────────────────────────── */
.calc-content .results { margin-top: 4px; position: relative; z-index: 1; }

.calc-content .results__row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    gap: 12px;
}

.calc-content .results__row:last-child { border-bottom: none; }

.calc-content .results__row .results__label {
    font-size: 13px;
    color: var(--color-text-secondary);
    max-width: 60%;
}

.calc-content .results__row .results__value {
    font-weight: 700;
    font-size: 16px;
    color: var(--color-text-primary);
    text-align: right;
}

.calc-content .results__row.highlight .results__value {
    color: var(--color-success);
    font-size: 22px;
}

.calc-content .results__row.highlight .results__label {
    color: var(--color-action);
    font-weight: 600;
    font-size: 14px;
}

.calc-content .results__row.negative .results__value { color: var(--color-error); }

.calc-content .results__placeholder {
    color: var(--color-text-secondary);
    font-size: 13px;
    font-style: italic;
    opacity: .7;
}

/* ── Per-level breakdown ─────────────────────────────────── */
.calc-content .breakdown {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 18px;
}

.calc-content .breakdown__row {
    display: grid;
    grid-template-columns: 52px 1fr auto;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: rgba(37,36,74,.45);
}

.calc-content .breakdown__lv {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 20px;
    color: var(--color-action);
    text-align: center;
    border-right: 1px solid var(--color-border);
    padding-right: 10px;
}

.calc-content .breakdown__lv span {
    display: block;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: .8px;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    opacity: .7;
}

.calc-content .breakdown__details {
    font-size: 12px;
    color: var(--color-text-secondary);
    line-height: 1.5;
    opacity: .85;
}

.calc-content .breakdown__details strong { color: var(--color-text-primary); }

.calc-content .breakdown__amount {
    font-weight: 700;
    font-size: 15px;
    color: var(--color-text-primary);
    text-align: right;
    white-space: nowrap;
}

.calc-content .breakdown__amount.positive { color: var(--color-success); }
.calc-content .breakdown__amount.zero { color: var(--color-text-secondary); opacity: .5; }

@media (max-width: 600px) {
    .calc-content .breakdown__row {
        grid-template-columns: 44px 1fr;
        grid-template-rows: auto auto;
    }
    .calc-content .breakdown__amount {
        grid-column: 2;
        text-align: left;
    }
}

/* ── Rules list ──────────────────────────────────────────── */
.calc-content .rules-list {
    list-style: none;
    margin: 0; padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative; z-index: 1;
}

.calc-content .rules-list li {
    display: flex;
    gap: 10px;
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.55;
}

.calc-content .bullet {
    flex-shrink: 0;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--color-action);
    margin-top: 7px;
}

.calc-content .rule-text strong { color: var(--color-text-primary); }

/* ── Disclaimer ──────────────────────────────────────────── */
.calc-content .disclaimer {
    padding: 16px 20px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: rgba(37,36,74,.35);
    font-size: 12px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.calc-content .disclaimer strong { color: var(--color-text-primary); }