/**
 * Guest Post Buddy – Accessibility Styles
 * @package GuestPostBuddy
 */

/* ── Minimum touch target size for mobile ── */
@media (max-width: 768px) {
    button,
    .btn,
    a.btn,
    input[type="submit"],
    input[type="button"],
    .form-check-label,
    .nav-link,
    .dropdown-item {
        min-height: 44px;
        min-width: 44px;
        padding: 12px 16px;
    }

    .form-control,
    .form-select,
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="url"],
    textarea {
        font-size: 16px;
        padding: 12px;
        min-height: 48px;
    }

    .gpb-card-actions .btn {
        margin: 4px;
        flex: 1;
    }

    .filter-chip {
        padding: 10px 16px;
        margin: 4px;
    }

    .form-check-input {
        width: 24px;
        height: 24px;
    }

    .form-check-label {
        padding-left: 36px;
        line-height: 24px;
    }
}

/* ── Focus styles for keyboard navigation ── */
*:focus {
    outline: 3px solid var(--clr-primary);
    outline-offset: 2px;
}

button:focus,
a:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 3px solid var(--clr-primary);
    outline-offset: 2px;
}

.mouse-user *:focus {
    outline: none;
}

/* Dashboard nav: never show click-time focus ring (keyboard uses :focus-visible in dashboard.css) */
.gpb-dashboard .dash-nav-link:focus,
.gpb-dashboard .dash-mobile-toggle:focus,
.gpb-dashboard #dmb-sidebar-toggle:focus,
.gpb-dashboard #dmb-nav-btn:focus {
    outline: none;
    box-shadow: none;
}

/* ── Screen reader only class ── */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

.screen-reader-text:focus {
    background-color: #fff;
    clip: auto !important;
    clip-path: none;
    color: #000;
    display: block;
    font-size: 1em;
    height: auto;
    left: 5px;
    line-height: normal;
    padding: 15px 23px 14px;
    text-decoration: none;
    top: 5px;
    width: auto;
    z-index: 100000;
}

/* ── High contrast mode support ── */
@media (prefers-contrast: high) {
    :root {
        --clr-primary: #0044cc;
        --clr-border: #000;
    }

    .gpb-card {
        border: 2px solid var(--clr-border);
    }

    button,
    .btn {
        border: 2px solid currentColor;
    }
}

/* ── Reduced motion support ── */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ── Loading spinner for AJAX operations ── */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--clr-primary);
    animation: spin 1s ease-in-out infinite;
}

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

.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 4px;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

@media (max-width: 768px) {
    .loading-spinner {
        width: 24px;
        height: 24px;
    }

    .btn-loading::after {
        width: 24px;
        height: 24px;
    }

    .gpb-cards-grid {
        min-height: 300px;
    }
}