/*
 * GotoSend Accessibility Components
 * Version: 1.0.0
 * WCAG 2.1 AA Compliant
 */

/* Skip Link para navegación */
.gsr-skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: #074b78;
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    z-index: 10000;
    transition: top 0.3s;
}

.gsr-skip-link:focus {
    top: 10px;
}

/* Focus visible mejorado */
.gsr-btn:focus-visible,
.gsr-input:focus-visible,
.gsr-select:focus-visible,
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid #074b78 !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 3px rgba(7, 75, 120, 0.25);
}

/* Screen reader only text */
.gsr-sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Estados de validación con ARIA */
.gsr-input[aria-invalid="true"],
input[aria-invalid="true"] {
    border-color: #c62828 !important;
    border-width: 2px;
}

.gsr-input[aria-invalid="false"],
input[aria-invalid="false"] {
    border-color: #008a3b !important;
    border-width: 2px;
}

/* Mensajes de error accesibles */
.gsr-error-message[role="alert"] {
    color: #c62828;
    font-weight: 600;
    margin-top: 5px;
    display: block;
}

.gsr-success-message[role="status"] {
    color: #008a3b;
    font-weight: 600;
    margin-top: 5px;
    display: block;
}

/* Loading states accesibles */
.gsr-btn[aria-busy="true"] {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.gsr-btn[aria-busy="true"]::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: gsr-spin 0.8s linear infinite;
}

@keyframes gsr-spin {
    to { transform: rotate(360deg); }
}

/* Tablas accesibles */
.gsr-table th[aria-sort] {
    cursor: pointer;
    position: relative;
    padding-right: 25px;
}

.gsr-table th[aria-sort]::after {
    content: '↕';
    position: absolute;
    right: 8px;
    opacity: 0.5;
}

.gsr-table th[aria-sort="ascending"]::after {
    content: '↑';
    opacity: 1;
}

.gsr-table th[aria-sort="descending"]::after {
    content: '↓';
    opacity: 1;
}