/* Knowledge On Web Tools: frontend.
 * Colours, radius and font come from CSS variables written by the plugin
 * (see KOW_Tools_Settings::css_variables). Nothing here hard-codes brand colours.
 */

.kow-tools-root {
    --kow-success: #16A34A;
    --kow-warning: #B45309;
    --kow-danger: #DC2626;
    box-sizing: border-box;
    font-family: var(--kow-font, system-ui, sans-serif);
    color: var(--kow-text, #0F172A);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
.kow-tools-root *,
.kow-tools-root *::before,
.kow-tools-root *::after { box-sizing: border-box; }
.kow-tools-root [hidden] { display: none !important; }

.kow-sr-only {
    position: absolute !important; width: 1px; height: 1px; overflow: hidden;
    clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- Card ---------- */

.kow-tool {
    background: var(--kow-surface, #fff);
    border: 1px solid var(--kow-border, #E2E8F0);
    border-radius: var(--kow-radius, 14px);
    padding: clamp(18px, 3vw, 28px);
    box-shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 10px 30px rgba(15, 23, 42, .06);
    max-width: 880px;
    margin: 0 auto 2rem;
}
.kow-tool__title {
    font-size: clamp(1.2rem, 2.4vw, 1.5rem);
    font-weight: 700;
    line-height: 1.25;
    margin: 0 0 .35rem;
    color: var(--kow-text, #0F172A);
}
.kow-tool__desc {
    margin: 0 0 1.25rem;
    color: var(--kow-muted, #64748B);
}

/* ---------- Form ---------- */

.kow-tool__field {
    display: flex;
    gap: .6rem;
    align-items: stretch;
}
.kow-tool__input {
    flex: 1 1 auto;
    min-width: 0;
    height: 52px;
    padding: 0 16px;
    font: inherit;
    color: var(--kow-text, #0F172A);
    background: var(--kow-page, #F8FAFC);
    border: 1px solid var(--kow-border, #E2E8F0);
    border-radius: calc(var(--kow-radius, 14px) - 4px);
    transition: border-color .2s ease, box-shadow .2s ease;
}
.kow-tool__input::placeholder { color: var(--kow-muted, #64748B); opacity: .8; }
.kow-tool__input:focus {
    outline: none;
    border-color: var(--kow-primary, #2563EB);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--kow-primary, #2563EB) 22%, transparent);
}
.kow-tool__btn {
    flex: 0 0 auto;
    height: 52px;
    padding: 0 22px;
    font: inherit;
    font-weight: 600;
    color: #fff;
    background: var(--kow-primary, #2563EB);
    border: 0;
    border-radius: calc(var(--kow-radius, 14px) - 4px);
    cursor: pointer;
    transition: transform .15s ease, filter .2s ease, opacity .2s ease;
}
.kow-tool__btn:hover { transform: translateY(-1px); filter: brightness(1.06); }
.kow-tool__btn:active { transform: translateY(0); }
.kow-tool__btn:disabled { opacity: .6; cursor: progress; transform: none; }

.kow-tool :focus-visible {
    outline: 3px solid var(--kow-accent, #0EA5E9);
    outline-offset: 2px;
}

.kow-tool__error {
    margin: .6rem 0 0;
    color: var(--kow-danger);
    font-size: .95rem;
}
.kow-tool__status {
    margin: 1rem 0 0;
    color: var(--kow-muted, #64748B);
    font-size: .95rem;
    min-height: 1.2em;
}
.kow-tool__status--busy::before {
    content: "";
    display: inline-block;
    width: 12px; height: 12px;
    margin-right: 8px;
    vertical-align: -2px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: kow-spin .7s linear infinite;
}
.kow-tool__fine {
    margin: 1.25rem 0 0;
    font-size: .8rem;
    color: var(--kow-muted, #64748B);
}
.kow-tool__notice {
    padding: 12px 16px;
    border: 1px dashed var(--kow-danger);
    border-radius: 10px;
    color: var(--kow-danger);
}

/* ---------- Results ---------- */

.kow-tool__results {
    margin-top: 1.5rem;
    animation: kow-rise .4s ease both;
}
.kow-results__title {
    font-size: 1rem;
    font-weight: 700;
    margin: 1.5rem 0 .6rem;
    color: var(--kow-text, #0F172A);
}

.kow-hero-result {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .5rem .9rem;
    padding: 16px 18px;
    background: var(--kow-page, #F8FAFC);
    border: 1px solid var(--kow-border, #E2E8F0);
    border-left: 4px solid var(--kow-muted, #64748B);
    border-radius: calc(var(--kow-radius, 14px) - 4px);
}
.kow-hero-result--ok   { border-left-color: var(--kow-success); }
.kow-hero-result--warn { border-left-color: var(--kow-warning); }
.kow-hero-result--bad  { border-left-color: var(--kow-danger); }
.kow-hero-result__domain {
    font-size: 1.15rem;
    font-weight: 700;
    overflow-wrap: anywhere;
    margin-right: auto;
}
.kow-hero-result p { flex-basis: 100%; margin: .2rem 0 0; color: var(--kow-muted, #64748B); }

.kow-badge {
    display: inline-block;
    padding: 3px 10px;
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .02em;
    border-radius: 999px;
    border: 1px solid transparent;
    background: var(--kow-page, #F1F5F9);
    color: var(--kow-muted, #64748B);
    white-space: nowrap;
}
.kow-badge--ok   { color: var(--kow-success); background: #DCFCE7; background: color-mix(in srgb, var(--kow-success) 14%, transparent); }
.kow-badge--warn { color: var(--kow-warning); background: #FEF3C7; background: color-mix(in srgb, var(--kow-warning) 16%, transparent); }
.kow-badge--bad  { color: var(--kow-danger);  background: #FEE2E2; background: color-mix(in srgb, var(--kow-danger) 14%, transparent); }

.kow-btn {
    display: inline-flex;
    align-items: center;
    padding: 9px 16px;
    font-weight: 600;
    text-decoration: none;
    color: var(--kow-primary, #2563EB);
    border: 1px solid var(--kow-primary, #2563EB);
    border-radius: calc(var(--kow-radius, 14px) - 4px);
    transition: background .2s ease, color .2s ease;
}
.kow-btn:hover { background: var(--kow-primary, #2563EB); color: #fff; }

.kow-list {
    list-style: none;
    margin: 1rem 0 0;
    padding: 0;
    display: grid;
    gap: 0;
}
.kow-list li {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 10px 0;
    border-bottom: 1px solid var(--kow-border, #E2E8F0);
}
.kow-list li > span { color: var(--kow-muted, #64748B); }
.kow-list li > strong { text-align: right; overflow-wrap: anywhere; font-weight: 600; }

.kow-kv {
    margin: 1rem 0 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 1.5rem;
}
.kow-kv__row {
    padding: 10px 0;
    border-bottom: 1px solid var(--kow-border, #E2E8F0);
}
.kow-kv dt {
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--kow-muted, #64748B);
}
.kow-kv dd {
    margin: 2px 0 0;
    font-weight: 600;
    overflow-wrap: anywhere;
}

.kow-suggest {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: .6rem;
}
.kow-suggest__item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: .5rem;
    padding: 10px 12px;
    background: var(--kow-page, #F8FAFC);
    border: 1px solid var(--kow-border, #E2E8F0);
    border-radius: calc(var(--kow-radius, 14px) - 6px);
    font-size: .92rem;
    overflow-wrap: anywhere;
}

.kow-ns,
.kow-ol,
.kow-sec { margin: .5rem 0 0; padding-left: 1.2rem; }
.kow-ns li,
.kow-ol li { margin: .25rem 0; overflow-wrap: anywhere; }
.kow-group { margin-top: 1.25rem; }
.kow-group h4 {
    margin: 0 0 .25rem;
    font-size: .85rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--kow-muted, #64748B);
}
.kow-group p.kow-empty { margin: 0; color: var(--kow-muted, #64748B); }
.kow-group ul { list-style: none; margin: 0; padding: 0; }
.kow-group li {
    padding: 8px 0;
    border-bottom: 1px solid var(--kow-border, #E2E8F0);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: .88rem;
    overflow-wrap: anywhere;
}

.kow-checks { list-style: none; margin: .5rem 0 0; padding: 0; }
.kow-checks li {
    display: grid;
    grid-template-columns: 26px 1fr;
    gap: 0 .5rem;
    padding: 10px 0;
    border-bottom: 1px solid var(--kow-border, #E2E8F0);
}
.kow-checks__icon {
    display: inline-grid; place-items: center;
    width: 22px; height: 22px;
    border-radius: 50%;
    font-size: .8rem; font-weight: 700;
    color: #fff;
    background: var(--kow-success);
}
.kow-checks li.is-missing .kow-checks__icon { background: var(--kow-danger); }
.kow-checks__name { font-weight: 600; }
.kow-checks__value {
    grid-column: 2;
    font-size: .85rem;
    color: var(--kow-muted, #64748B);
    overflow-wrap: anywhere;
}

.kow-raw { margin-top: 1rem; }
.kow-raw summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--kow-primary, #2563EB);
}
.kow-raw pre {
    margin: .6rem 0 0;
    padding: 14px;
    max-height: 340px;
    overflow: auto;
    font-size: .8rem;
    background: var(--kow-page, #F8FAFC);
    border: 1px solid var(--kow-border, #E2E8F0);
    border-radius: calc(var(--kow-radius, 14px) - 6px);
    white-space: pre-wrap;
    word-break: break-word;
}

.kow-meta {
    margin: 1.25rem 0 0;
    font-size: .8rem;
    color: var(--kow-muted, #64748B);
}

/* ---------- Tools index ---------- */

.kow-index {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
    margin: 0 auto;
    max-width: 1100px;
}
@media (min-width: 640px) {
    .kow-index--cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .kow-index--cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 960px) {
    .kow-index--cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.kow-index__card {
    display: flex;
    flex-direction: column;
    padding: 22px;
    text-decoration: none;
    color: inherit;
    background: var(--kow-surface, #fff);
    border: 1px solid var(--kow-border, #E2E8F0);
    border-radius: var(--kow-radius, 14px);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
a.kow-index__card:hover,
a.kow-index__card:focus-visible {
    transform: translateY(-3px);
    border-color: var(--kow-primary, #2563EB);
    box-shadow: 0 14px 30px rgba(15, 23, 42, .1);
}
.kow-index__title { margin: 0 0 .4rem; font-size: 1.05rem; font-weight: 700; color: var(--kow-text, #0F172A); }
.kow-index__desc { margin: 0; color: var(--kow-muted, #64748B); font-size: .95rem; }
.kow-index__cta { margin-top: auto; padding-top: 14px; font-weight: 600; color: var(--kow-primary, #2563EB); }

/* ---------- Motion ---------- */

@keyframes kow-spin { to { transform: rotate(360deg); } }
@keyframes kow-rise {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
    .kow-tools-root *,
    .kow-tools-root *::before,
    .kow-tools-root *::after {
        animation: none !important;
        transition: none !important;
    }
}

/* ---------- Small screens ---------- */

@media (max-width: 640px) {
    .kow-tool__field { flex-direction: column; }
    .kow-tool__btn { width: 100%; }
    .kow-kv { grid-template-columns: 1fr; }
    .kow-hero-result__domain { margin-right: 0; width: 100%; }
}