/* ==========================================================================
   FINATOOLS — ESTILOS COMPARTIDOS DE HERRAMIENTAS
   Cargado después de global.css en todas las subpáginas de calculadoras.
   ========================================================================== */

/* ==========================================================================
   0. ANIMACIONES
   ========================================================================== */
@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.calc-results-panel,
.calc-card-results {
    animation: fadeSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.result-tile {
    animation: fadeSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.result-tile:nth-child(1) { animation-delay: 0.05s; }
.result-tile:nth-child(2) { animation-delay: 0.10s; }
.result-tile:nth-child(3) { animation-delay: 0.15s; }
.result-tile:nth-child(4) { animation-delay: 0.20s; }
.result-tile:nth-child(5) { animation-delay: 0.25s; }
.result-tile:nth-child(6) { animation-delay: 0.30s; }

.table-workspace {
    animation: fadeIn 0.5s ease both;
    animation-delay: 0.2s;
}

/* ==========================================================================
   1. LAYOUT DEL ESPACIO DE TRABAJO
   ========================================================================== */
.calc-workspace {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: start;
}

@media (min-width: 768px) {
    .calc-workspace {
        grid-template-columns: 1fr 1fr;
    }
}

/* ==========================================================================
   2. TARJETA DE FORMULARIO
   ========================================================================== */
.calc-card-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.03);
}

/* ==========================================================================
   3. GRUPOS DE FORMULARIO
   ========================================================================== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-heading);
    background-color: var(--input-bg);
    transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
    font-family: var(--font-stack);
}

.form-group input:focus,
.form-group select:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
    background-color: var(--bg-card);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.25rem;
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0 1rem;
}

@media (min-width: 480px) {
    .form-row-2 { grid-template-columns: 1fr 1fr; }
}

.form-section-title {
    font-size: 0.85rem;
    color: var(--text-heading);
    font-weight: 700;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.4rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Error de validación */
.input-error {
    border-color: #f43f5e !important;
    background-color: var(--input-error-bg) !important;
}

/* ==========================================================================
   4. BOTONES
   ========================================================================== */
.btn-primary,
.btn-secondary {
    width: 100%;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.2s, box-shadow 0.2s;
    border: none;
    font-family: var(--font-stack);
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    margin-top: 0.5rem;
}

.btn-primary:hover {
    background-color: #059669;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-secondary {
    background-color: var(--btn-secondary-bg);
    color: var(--text-heading);
    margin-top: 1rem;
    font-size: 0.88rem;
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--btn-secondary-hover);
}

/* ==========================================================================
   5. PANEL DE RESULTADOS
   ========================================================================== */
.calc-results-panel,
.calc-card-results {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.calc-card-results .result-tiles {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.result-tile {
    padding: 1.25rem;
    background-color: var(--tile-bg);
    border-radius: 12px;
    border-left: 4px solid var(--border-color);
    transition: border-color 0.2s;
}

.result-tile .tile-label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.3rem;
}

.result-tile .tile-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-heading);
}

.result-tile .value-highlight {
    color: var(--primary);
    font-size: 1.9rem;
    font-weight: 800;
}

/* ==========================================================================
   6. TABLAS
   ========================================================================== */
.table-workspace {
    margin-top: 4rem;
    margin-bottom: 4rem;
}

.table-workspace h2 {
    font-size: 1.35rem;
    color: var(--text-heading);
    margin-bottom: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-card);
}

.amort-table {
    width: 100%;
    border-collapse: collapse;
    text-align: right;
    font-size: 0.9rem;
}

.amort-table th {
    background-color: var(--tile-bg);
    color: var(--text-muted);
    font-weight: 600;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.amort-table th:first-child,
.amort-table td:first-child {
    text-align: center;
}

.amort-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-main);
}

.amort-table tr:last-child td {
    border-bottom: none;
}

.amort-table tr:hover td {
    background-color: var(--tile-bg);
}

/* ==========================================================================
   7. DARK MODE — VARIABLES ESPECÍFICAS DE HERRAMIENTAS
   ========================================================================== */
:root {
    --input-bg: #f8fafc;
    --input-error-bg: #fff1f2;
    --tile-bg: #f8fafc;
    --text-muted: #64748b;
    --border-subtle: #f1f5f9;
    --btn-secondary-bg: #f1f5f9;
    --btn-secondary-hover: #e2e8f0;
}

[data-theme="dark"] {
    --input-bg: #1e293b;
    --input-error-bg: #3b1a22;
    --tile-bg: #1a2540;
    --text-muted: #94a3b8;
    --border-subtle: #1e293b;
    --btn-secondary-bg: #1e293b;
    --btn-secondary-hover: #334155;
}

/* Inputs en dark mode */
[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-select {
    color: var(--text-heading);
    background-color: var(--input-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group select:focus,
[data-theme="dark"] .form-select:focus {
    background-color: var(--bg-card);
}

/* ==========================================================================
   8. UTILIDADES ESPECÍFICAS DE HERRAMIENTAS
   ========================================================================== */
.text-danger { color: #ef4444; font-weight: 600; }
.text-success { color: var(--primary); font-weight: 600; }

.breakdown-list {
    border-top: 1px dashed var(--border-color);
    padding-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.92rem;
    color: var(--text-main);
}

.breakdown-item strong { color: var(--text-heading); }

.chart-container {
    position: relative;
    width: 100%;
    height: 260px;
    margin: 0.5rem 0;
}

/* Botón Twitter/X de compartir */
.btn-social.twitter {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.65rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    font-family: var(--font-stack);
    background: #000;
    color: #fff;
    white-space: nowrap;
    margin-top: 0.5rem;
    width: 100%;
    transition: transform 0.15s, filter 0.15s;
}

.btn-social.twitter:hover {
    transform: translateY(-2px);
    filter: brightness(1.25);
}

[data-theme="dark"] .btn-social.twitter {
    background: #222;
}

.btn-compartir {
    width: 100%;
    padding: 0.75rem 1.5rem;
    font-size: 0.88rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    border: 1.5px solid var(--border-color);
    background: var(--btn-secondary-bg);
    color: var(--text-heading);
    font-family: var(--font-stack);
    transition: border-color 0.2s, color 0.2s, background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-align: center;
    margin-top: 1.5rem;
}

.btn-compartir:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(16, 185, 129, 0.05);
}

/* btn-secondary usado en herramientas antiguas como alias */
.btn-secondary#btn-compartir {
    margin-top: 1.5rem;
}

.btn-print {
    width: 100%;
    padding: 0.7rem 1.5rem;
    font-size: 0.88rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    border: 1.5px dashed var(--border-color);
    background: transparent;
    color: var(--text-muted);
    font-family: var(--font-stack);
    transition: border-color 0.2s, color 0.2s, background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.btn-print:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(16, 185, 129, 0.05);
}


/* ==========================================================================
   ESTILOS DE IMPRESIÓN / EXPORTAR PDF
   ========================================================================== */
@media print {
    body {
        background: #fff !important;
        color: #0f172a !important;
        padding: 0 !important;
        font-size: 12px;
    }

    header, footer, .btn-primary, .btn-secondary, .btn-print,
    .hero-section .badge, .seo-section, #workspace-chart,
    #btn-calcular, #btn-compartir, #btn-print {
        display: none !important;
    }

    .calc-workspace {
        grid-template-columns: 1fr 1fr !important;
        gap: 1rem !important;
    }

    .calc-card-form, .calc-results-panel, .calc-card-results, .result-tile {
        background: #fff !important;
        border: 1px solid #e2e8f0 !important;
        box-shadow: none !important;
        break-inside: avoid;
    }

    .result-tile .value-highlight,
    .value-highlight-public,
    .value-highlight-private {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .hero-section {
        margin-bottom: 1rem !important;
    }

    .hero-section h1 {
        font-size: 1.4rem !important;
        margin-bottom: 0.25rem !important;
    }

    .hero-section p { display: none; }

    .print-header {
        display: block !important;
        text-align: center;
        font-size: 0.75rem;
        color: #94a3b8;
        margin-bottom: 1rem;
        border-bottom: 1px solid #e2e8f0;
        padding-bottom: 0.5rem;
    }
}

.print-header { display: none; }

/* ==========================================================================
   SECCIÓN FAQ EXPANDIBLE
   ========================================================================== */
.faq-section {
    margin: 3rem 0 4rem;
}

.faq-section h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 1.25rem;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.2s;
}

.faq-item:hover {
    border-color: var(--primary, #10b981);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-stack);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-heading);
    text-align: left;
}

.faq-question .faq-chevron {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    transition: transform 0.3s ease, background 0.2s;
    color: var(--text-muted);
}

.faq-item.open .faq-chevron {
    transform: rotate(180deg);
    background: var(--primary, #10b981);
    color: #fff;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer-inner {
    padding: 0 1.25rem 1.1rem;
    font-size: 0.9rem;
    color: var(--text-main);
    line-height: 1.7;
    border-top: 1px solid var(--border-color);
    padding-top: 0.85rem;
}

.faq-item.open .faq-answer {
    max-height: 400px;
}

@media print {
    .faq-section { display: none; }
}