/* Simulador de hipoteca - estilos específicos del módulo.
 * Reutiliza los tokens y la tipografía del resto de la web
 * (definidos en el <style> inline de cada página de herramientas).
 * Las clases sim-* aquí son específicas de esta herramienta pero se
 * apoyan en --primary, --dark, --light, --white, --secondary, etc.
 */

body.sim-app {
    background: var(--light);
    color: var(--dark);
    font-family: var(--font-main);
    padding-top: 4rem;
}
.sim-app .footer { margin-top: 4rem; }

.sim-app * { box-sizing: border-box; }
.sim-app input[type=number]::-webkit-inner-spin-button { opacity: .3; }

/* Hero - mismo patrón que .page-header del resto de herramientas */
.sim-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 4rem 1rem 5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.sim-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.1;
    pointer-events: none;
}
.sim-hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}
.sim-hero-eyebrow {
    font-size: 0.85rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    opacity: .9;
    font-weight: 500;
}
.sim-hero h1 {
    font-size: 3rem;
    margin: 0.5rem 0 1rem;
    line-height: 1.1;
    font-weight: 700;
}
.sim-hero p {
    margin: 0 auto;
    max-width: 700px;
    font-size: 1.15rem;
    opacity: 0.95;
}

/* Main container */
.sim-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Inputs card - estilo .tool-card */
.sim-inputs {
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    margin-top: -2.5rem;
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}
.sim-field { display: block; }
.sim-field-lbl {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark);
    font-size: 0.95rem;
}
.sim-field-wrap { position: relative; }
.sim-field-input {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 0.75rem;
    font-family: var(--font-main);
    font-size: 1rem;
    color: var(--dark);
    background: var(--white);
    border: 2px solid var(--light);
    border-radius: 8px;
    outline: none;
    transition: var(--transition);
}
.sim-field-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.sim-field-suffix {
    position: absolute;
    right: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.95rem;
    color: var(--secondary);
    pointer-events: none;
    font-weight: 500;
}

/* KPIs - estilo .result-item */
.sim-kpis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}
.sim-kpis-extra { margin-top: 1.5rem; }
.sim-kpi {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.sim-kpi-title {
    color: var(--secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}
.sim-kpi-value {
    font-size: 1.75rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 0.25rem;
    line-height: 1.1;
}
.sim-kpi-sub {
    font-size: 0.8rem;
    color: var(--secondary);
}
.sim-kpi[data-color="green"] .sim-kpi-value { color: var(--success); }
.sim-kpi[data-color="terra"] .sim-kpi-value { color: var(--error); }
.sim-kpi[data-color="amber"] .sim-kpi-value { color: var(--warning); }

/* Sections - estilo .tool-card */
.sim-section {
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    margin-top: 2rem;
}
.sim-section-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}
.sim-section h2 {
    font-size: 1.5rem;
    color: var(--dark);
    margin: 0;
    font-weight: 600;
}
.sim-section p.sim-section-desc {
    color: var(--secondary);
    font-size: 0.95rem;
    margin: 0 0 1rem;
}
.sim-section-empty {
    color: var(--secondary);
    font-size: 0.95rem;
    margin: 1rem 0 0;
}

/* Botones - estilo .btn */
.sim-btn {
    font-family: var(--font-main);
    font-weight: 500;
    font-size: 1rem;
    color: var(--white);
    background: var(--primary);
    border: none;
    border-radius: 8px;
    padding: 0.65rem 1.25rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.sim-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}
.sim-btn-ghost {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
}
.sim-btn-ghost:hover {
    background: var(--primary);
    color: var(--white);
}

/* Amortizaciones */
.sim-amort-list {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.sim-amort-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1.4fr auto;
    gap: 1rem;
    align-items: end;
    background: var(--light);
    border-radius: 12px;
    padding: 1rem;
}
.sim-amort-lbl {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--dark);
    margin-bottom: 0.4rem;
}
.sim-amort-input {
    width: 100%;
    padding: 0.6rem 0.75rem;
    font-family: var(--font-main);
    font-size: 0.95rem;
    border: 2px solid var(--white);
    border-radius: 8px;
    background: var(--white);
    color: var(--dark);
    outline: none;
    transition: var(--transition);
}
.sim-amort-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.sim-amort-hint {
    font-size: 0.75rem;
    color: var(--secondary);
    margin-top: 0.25rem;
}
.sim-amort-modes {
    display: flex;
    gap: 0.4rem;
    margin-top: 0.4rem;
}
.sim-amort-mode-btn {
    flex: 1;
    font-family: var(--font-main);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.5rem 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid var(--white);
    background: var(--white);
    color: var(--secondary);
    transition: var(--transition);
}
.sim-amort-mode-btn[aria-pressed="true"] {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}
.sim-amort-del {
    align-self: center;
    background: var(--white);
    border: 2px solid var(--error);
    color: var(--error);
    border-radius: 8px;
    padding: 0.5rem 0.85rem;
    cursor: pointer;
    font-weight: 700;
    font-size: 1rem;
    line-height: 1;
    transition: var(--transition);
}
.sim-amort-del:hover {
    background: var(--error);
    color: var(--white);
}

/* Chart */
.sim-chart-wrap {
    width: 100%;
    height: 320px;
    margin-top: 0.5rem;
}

/* Tabs */
.sim-tabs {
    display: flex;
    border: 2px solid var(--light);
    border-radius: 8px;
    overflow: hidden;
}
.sim-tabs button {
    font-family: var(--font-main);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    cursor: pointer;
    border: none;
    background: var(--white);
    color: var(--secondary);
    transition: var(--transition);
}
.sim-tabs button[aria-pressed="true"] {
    background: var(--primary);
    color: var(--white);
}
.sim-section-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}

/* Table */
.sim-table-wrap {
    overflow-x: auto;
    margin-top: 1rem;
}
.sim-table {
    width: 100%;
    font-family: var(--font-main);
    font-size: 0.9rem;
    border-collapse: collapse;
}
.sim-table thead tr {
    text-align: right;
    color: var(--secondary);
    border-bottom: 2px solid var(--light);
}
.sim-table th {
    padding: 0.75rem 0.5rem;
    font-weight: 600;
}
.sim-table th.sim-th-text { text-align: left; }
.sim-table th.sim-th-extra { color: var(--warning); }
.sim-table td {
    padding: 0.6rem 0.5rem;
    text-align: right;
    color: var(--dark);
}
.sim-table td.sim-td-text { text-align: left; }
.sim-table td.sim-td-soft { color: var(--secondary); }
.sim-table td.sim-td-int { color: var(--error); }
.sim-table td.sim-td-cap { color: var(--success); }
.sim-table td.sim-td-extra { color: var(--light); }
.sim-table tbody tr { border-bottom: 1px solid var(--light); }
.sim-table tbody tr.has-prepay { background: rgba(245, 158, 11, 0.08); }
.sim-table tbody tr.has-prepay td.sim-td-extra { color: var(--warning); }

/* Disclaimer */
.sim-disclaimer {
    font-size: 0.85rem;
    color: var(--secondary);
    margin-top: 2rem;
    line-height: 1.6;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Switcher de idioma en nav */
.lang-switch {
    margin-left: 1rem;
    padding: 4px 10px;
    border: 1px solid var(--primary);
    border-radius: 6px;
    color: var(--primary) !important;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-decoration: none;
    transition: var(--transition);
}
.lang-switch::after { display: none !important; }
.lang-switch:hover {
    background: var(--primary);
    color: var(--white) !important;
}

/* Responsive */
@media (max-width: 768px) {
    .sim-hero { padding: 3rem 1rem 4rem; }
    .sim-hero h1 { font-size: 2rem; }
    .sim-hero p { font-size: 1rem; }
    .sim-inputs { padding: 1.5rem; margin-top: -2rem; }
    .sim-section { padding: 1.5rem; }
    .sim-section h2 { font-size: 1.25rem; }
    .sim-amort-row { grid-template-columns: 1fr; }
    .sim-amort-del { justify-self: end; }
    .sim-chart-wrap { height: 260px; }
    .lang-switch { display: none; }
}