/* ============================================================
   Dark Mode para Calculadoras Financieras
   Virtual Tools | virtualtools.click
   ============================================================ */

/* Botón de dark mode */
.calc-theme-toggle {
    position: relative;
    z-index: 1050;
    width: 40px;
    height: 40px;
    border-radius: var(--calc-radius);
    border: 1px solid var(--calc-border);
    background: none;
    color: var(--calc-text-muted);
    cursor: pointer;
    transition: all var(--calc-transition);
    font-size: 18px;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.calc-theme-toggle:hover {
    background-color: var(--calc-primary-light);
    color: var(--calc-primary);
    border-color: var(--calc-primary);
}

.calc-theme-toggle:focus-visible {
    outline: 2px solid var(--calc-primary);
    outline-offset: 2px;
}

/* Transición suave para el body */
.calc-root {
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Variables para modo oscuro */
.calc-root[data-theme="dark"] {
    /* Color palette - Dark Mode */
    --calc-bg: #0f172a;
    --calc-surface: #1e293b;
    --calc-surface-2: #334155;
    --calc-primary: #38bdf8;
    --calc-primary-dark: #0ea5e9;
    --calc-primary-light: #1e3a8a;
    --calc-accent: #818cf8;
    --calc-accent-dark: #6366f1;
    --calc-accent-light: #312e81;
    --calc-text: #f1f5f9;
    --calc-text-muted: #94a3b8;
    --calc-border: #334155;
    --calc-border-focus: #38bdf8;
    --calc-error: #f87171;
    --calc-error-bg: #7f1d1d;
    --calc-success: #4ade80;
}

/* Header en dark mode */
.calc-root[data-theme="dark"] .calc-header {
    background-color: var(--calc-surface);
    border-bottom-color: var(--calc-border);
}

.calc-root[data-theme="dark"] .calc-header__logo {
    color: var(--calc-text);
}

.calc-root[data-theme="dark"] .calc-header__logo:hover {
    color: var(--calc-primary);
}

/* Footer en dark mode */
.calc-root[data-theme="dark"] .calc-footer {
    background-color: var(--calc-surface-2);
    border-top-color: var(--calc-border);
}

/* Cards en dark mode */
.calc-root[data-theme="dark"] .calc-card {
    background-color: var(--calc-surface);
    border-color: var(--calc-border);
    color: var(--calc-text);
}

.calc-root[data-theme="dark"] .calc-card__title {
    color: var(--calc-text);
}

/* Hub cards en dark mode */
.calc-root[data-theme="dark"] .calc-hub__card {
    background-color: var(--calc-surface);
    border-color: var(--calc-border);
    color: var(--calc-text);
}

.calc-root[data-theme="dark"] .calc-hub__card:hover {
    border-color: var(--calc-primary);
    box-shadow: var(--calc-shadow-lg);
    color: var(--calc-text);
}

.calc-root[data-theme="dark"] .calc-hub__card-title {
    color: var(--calc-text);
}

/* Form controls en dark mode */
.calc-root[data-theme="dark"] .calc-form__input,
.calc-root[data-theme="dark"] .calc-form__select {
    background-color: var(--calc-surface);
    border-color: var(--calc-border);
    color: var(--calc-text);
}

.calc-root[data-theme="dark"] .calc-form__input:focus,
.calc-root[data-theme="dark"] .calc-form__select:focus {
    background-color: var(--calc-surface);
    border-color: var(--calc-border-focus);
    color: var(--calc-text);
}

.calc-root[data-theme="dark"] .calc-form__input::placeholder {
    color: var(--calc-text-muted);
}

/* Results en dark mode */
.calc-root[data-theme="dark"] .calc-results {
    background-color: var(--calc-surface);
    border-color: var(--calc-border);
    color: var(--calc-text);
}

.calc-root[data-theme="dark"] .calc-results__title {
    color: var(--calc-text);
}

.calc-root[data-theme="dark"] .calc-results__subtitle {
    color: var(--calc-text-muted);
}

/* KPI boxes en dark mode */
.calc-root[data-theme="dark"] .calc-result__kpi {
    background-color: var(--calc-bg);
    border-color: var(--calc-border);
    color: var(--calc-text);
}

.calc-root[data-theme="dark"] .calc-result__kpi-label {
    color: var(--calc-text-muted);
}

/* Tables en dark mode */
.calc-root[data-theme="dark"] .calc-table thead {
    background-color: var(--calc-bg);
}

.calc-root[data-theme="dark"] .calc-table thead th {
    color: var(--calc-text-muted);
    border-bottom-color: var(--calc-border);
}

.calc-root[data-theme="dark"] .calc-table tbody tr {
    border-bottom-color: var(--calc-border);
}

.calc-root[data-theme="dark"] .calc-table tbody tr:hover {
    background-color: var(--calc-primary-light);
}

.calc-root[data-theme="dark"] .calc-table tbody td {
    color: var(--calc-text);
}

/* FAQ en dark mode */
.calc-root[data-theme="dark"] .calc-faq {
    background-color: var(--calc-surface);
    border-color: var(--calc-border);
}

.calc-root[data-theme="dark"] .calc-faq__title {
    color: var(--calc-text);
}

.calc-root[data-theme="dark"] .calc-faq__question {
    color: var(--calc-text);
}

.calc-root[data-theme="dark"] .calc-faq__question:hover {
    color: var(--calc-primary);
}

.calc-root[data-theme="dark"] .calc-faq__item {
    border-bottom-color: var(--calc-border);
}

.calc-root[data-theme="dark"] .calc-faq__answer p {
    color: var(--calc-text-muted);
}

/* Dropdown menu en dark mode */
.calc-root[data-theme="dark"] .calc-header__dropdown-menu {
    background-color: var(--calc-surface);
    border-color: var(--calc-border);
    box-shadow: var(--calc-shadow-lg);
}

.calc-root[data-theme="dark"] .calc-header__dropdown-link {
    color: var(--calc-text-muted);
}

.calc-root[data-theme="dark"] .calc-header__dropdown-link:hover,
.calc-root[data-theme="dark"] .calc-header__dropdown-link--active {
    background-color: var(--calc-primary-light);
    color: var(--calc-primary);
}

/* Aside navigation en dark mode */
.calc-root[data-theme="dark"] .calc-aside-nav {
    background-color: var(--calc-surface);
    border-color: var(--calc-border);
}

.calc-root[data-theme="dark"] .calc-aside-nav__title {
    color: var(--calc-text-muted);
}

.calc-root[data-theme="dark"] .calc-aside-nav__link {
    color: var(--calc-text);
}

.calc-root[data-theme="dark"] .calc-aside-nav__link:hover {
    background-color: var(--calc-primary-light);
    color: var(--calc-primary);
}

/* Alert en dark mode */
.calc-root[data-theme="dark"] .calc-alert--error {
    background-color: var(--calc-error-bg);
    border-color: var(--calc-error);
    color: #991b1b;
}

/* Explainer section en dark mode */
.calc-root[data-theme="dark"] .calc-explainer {
    background-color: var(--calc-accent-light);
    border-color: #c7d2fe;
    border-left-color: var(--calc-accent);
}

.calc-root[data-theme="dark"] .calc-explainer__title {
    color: var(--calc-text);
}

.calc-root[data-theme="dark"] .calc-explainer p {
    color: var(--calc-text-muted);
}

.calc-root[data-theme="dark"] .calc-explainer strong {
    color: var(--calc-text);
}

/* Print styles - ocultar botón de dark mode */
@media print {
    .calc-theme-toggle {
        display: none !important;
    }
}