:root {
    --wmua-color-primary: #1d4ed8;
    --wmua-color-danger: #b91c1c;
    --wmua-color-surface: #ffffff;
    --wmua-color-muted: #64748b;
    --wmua-color-border: #dbe3ee;
    --wmua-radius-sm: .4rem;
    --wmua-radius-md: .75rem;
    --wmua-shadow-card: 0 10px 30px rgba(15, 23, 42, .07);
    --wmua-space-1: .25rem;
    --wmua-space-2: .5rem;
    --wmua-space-3: 1rem;
    --wmua-space-4: 1.5rem;
}

.card {
    border-color: var(--wmua-color-border);
    border-radius: var(--wmua-radius-md);
}

.modal-content {
    border: 0;
    border-radius: var(--wmua-radius-md);
    box-shadow: var(--wmua-shadow-card);
}

.table-responsive {
    border-radius: var(--wmua-radius-sm);
}

.wmua-empty-state {
    padding: 2.5rem 1.5rem;
    color: var(--wmua-color-muted);
    text-align: center;
}

.wmua-main {
    padding-top: .75rem;
}

.wmua-skip-link {
    position: fixed;
    top: .5rem;
    left: .5rem;
    z-index: 2000;
    padding: .65rem 1rem;
    color: #fff;
    background: #111827;
    border-radius: var(--wmua-radius-sm);
    transform: translateY(-180%);
}

.wmua-skip-link:focus {
    color: #fff;
    transform: translateY(0);
}

.wmua-nav-toggle {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
}

.wmua-nav-form {
    margin: 0;
}

.wmua-nav-button {
    width: 100%;
    border: 0;
    background: transparent;
    text-align: left;
}

.wmua-responsive-table td,
.wmua-responsive-table th {
    vertical-align: middle;
}

.wmua-directory-icon {
    width: 16px;
    height: 16px;
    margin-right: .625rem;
    object-fit: contain;
}

.wmua-device-image-wrap {
    width: 160px;
    margin-right: 1rem;
    flex: 0 0 auto;
}

.wmua-device-image {
    max-height: 220px;
    object-fit: contain;
}

.wmua-device-spec-wrap {
    min-width: 280px;
    flex: 1 1 320px;
}

.wmua-spec-label {
    width: 130px;
}

.wmua-col-user-agent { width: 60%; }
.wmua-col-directory-data { width: 20%; }
.wmua-catalog-spec-label { width: 180px; }

.wmua-error-page {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.wmua-error-card {
    width: min(100%, 36rem);
    box-shadow: var(--wmua-shadow-card);
}

.wmua-error-code {
    margin-bottom: 0;
    color: var(--wmua-color-primary);
    font-size: clamp(3rem, 15vw, 7rem);
    font-weight: 700;
    line-height: 1;
}

.wmua-checkout-card {
    box-shadow: var(--wmua-shadow-card);
}

.wmua-copy-buffer {
    position: fixed;
    opacity: 0;
    pointer-events: none;
}

.wmua-plan-badge {
    font-size: .9rem;
}

.key-string {
    padding: 6px 10px;
    color: inherit;
    font-family: monospace;
    font-size: .85rem;
    word-break: break-all;
    cursor: pointer;
    background: #f1f3f5;
    border: 1px solid #dee2e6;
    border-radius: 4px;
}

.plan-badge-0 { background: #6c757d; }
.plan-badge-1 { background: #17a2b8; }
.plan-badge-2 { background: #007bff; }
.plan-badge-3 { background: #28a745; }

.wmua-usage-progress {
    display: block;
    width: 100%;
    height: 6px;
    overflow: hidden;
    color: #007bff;
    appearance: none;
    background: #e9ecef;
    border: 0;
    border-radius: 3px;
}

.wmua-usage-progress::-webkit-progress-bar { background: #e9ecef; }
.wmua-usage-progress-primary::-webkit-progress-value { background: #007bff; }
.wmua-usage-progress-warning::-webkit-progress-value { background: #ffc107; }
.wmua-usage-progress-danger::-webkit-progress-value { background: #dc3545; }
.wmua-usage-progress-primary::-moz-progress-bar { background: #007bff; }
.wmua-usage-progress-warning::-moz-progress-bar { background: #ffc107; }
.wmua-usage-progress-danger::-moz-progress-bar { background: #dc3545; }

.wmua-code-small,
.wmua-api-docs pre {
    font-size: .82rem;
}

.wmua-api-docs .field-table td:first-child {
    font-family: monospace;
    white-space: nowrap;
}

.wmua-api-docs .badge-get {
    padding: 3px 8px;
    color: #fff;
    font-size: .75rem;
    vertical-align: middle;
    background: #28a745;
    border-radius: 4px;
}

.wmua-api-docs .section-anchor {
    padding-top: 16px;
    margin-top: 0;
}

.wmua-api-docs .nav-docs .nav-link {
    padding: 4px 0;
    color: #495057;
    font-size: .88rem;
}

.wmua-api-docs .nav-docs .nav-link:hover,
.wmua-api-docs .nav-docs .nav-link.active {
    color: #007bff;
}

.wmua-api-docs .nav-docs .nav-link.active {
    font-weight: 600;
}

.wmua-docs-nav-card {
    top: 16px;
}

.wmua-live-result {
    min-height: 60px;
    font-size: .8rem;
}

.modal:target {
    display: block;
    overflow-x: hidden;
    overflow-y: auto;
    background: rgba(15, 23, 42, .58);
}

@media (max-width: 991.98px) {
    .wmua-nav-toggle:checked ~ .navbar-collapse {
        display: block;
        width: 100%;
    }

    .wmua-responsive-table {
        min-width: 680px;
    }
}

@media (min-width: 992px) {
    .wmua-nav-button {
        width: auto;
        text-align: inherit;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
    }
}