/**
 * Component: Accordion
 * File: assets/css/components/accordion.css
 *
 * Depende de:
 *   assets/css/base/variables.css → --color-*, --radius-*, --spacing-*, --transition-*
 */

.accordion {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    max-width: 800px;
    margin: 0 auto;
}

.accordion__item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--color-white);
}

.accordion__trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--color-heading);
    transition: background-color var(--transition-base);
}

.accordion__trigger:hover,
.accordion__trigger:focus-visible {
    background-color: var(--color-bg-alt);
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
}

/* Ícone +/- via CSS */
.accordion__trigger-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    position: relative;
}

.accordion__trigger-icon::before,
.accordion__trigger-icon::after {
    content: '';
    position: absolute;
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Linha horizontal (sempre visível) */
.accordion__trigger-icon::before {
    width: 100%;
    height: 2px;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

/* Linha vertical (some quando aberto) */
.accordion__trigger-icon::after {
    width: 2px;
    height: 100%;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
}

.accordion__item.is-open .accordion__trigger-icon::after {
    transform: translateX(-50%) rotate(90deg);
    opacity: 0;
}

/* Painel */
.accordion__panel {
    overflow: hidden;
}

.accordion__panel[hidden] {
    display: none;
}

.accordion__panel-inner {
    padding: var(--spacing-sm) var(--spacing-lg) var(--spacing-md);
    font-size: var(--font-size-md);
    color: var(--color-text);
    line-height: 1.7;
    border-top: 1px solid var(--color-border);
}