/* =========================================================================
   Unsurfaced — tools.css
   Shared styles for the /tools index and individual /tools/<slug> pages.
   ========================================================================= */

.tool {
    display: block;
}

.tool__crumbs {
    font-family: var(--font-sans);
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-faint);
    margin-bottom: 1rem;
}
.tool__crumbs a { color: var(--color-text-mute); }
.tool__crumbs a:hover { color: var(--color-accent); }
.tool__crumbs span[aria-hidden="true"] { margin: 0 .4em; opacity: .6; }

.tool__header {
    border-top: 3px solid var(--color-accent);
    padding-top: 1.1rem;
    margin-bottom: 2rem;
    max-width: 760px;
}
.tool__eyebrow {
    font-family: var(--font-sans);
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--color-accent);
    margin-bottom: .55rem;
}
.tool__title {
    font-family: var(--font-serif);
    font-weight: 900;
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    line-height: 1.15;
    letter-spacing: -0.012em;
    margin: 0 0 .9rem;
}
.tool__lede {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--color-text-mute);
    margin: 0;
}

.tool__body {
    max-width: 860px;
}

.tool__related {
    margin-top: 3.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
    max-width: 860px;
}
.tool__related-heading {
    font-family: var(--font-sans);
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--color-text-mute);
    margin: 0 0 .75rem;
}
.tool__related-list {
    display: flex;
    flex-wrap: wrap;
    gap: .55rem .8rem;
}
.tool__related-list a {
    display: inline-block;
    border: 1px solid var(--color-border);
    padding: .35rem .65rem;
    font-size: .85rem;
    color: var(--color-accent);
    background: var(--color-bg);
    transition: background .12s ease, color .12s ease;
}
.tool__related-list a:hover {
    background: var(--color-accent);
    color: #fff;
    text-decoration: none;
    border-color: var(--color-accent);
}

/* ---------- Index grid ---------- */
.tools-grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    margin-top: 1rem;
}
.tools-grid__item { display: flex; }
.tools-grid__link {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: .5rem;
    padding: 1.25rem 1.25rem 1.4rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-top: 3px solid var(--color-accent);
    color: inherit;
    text-decoration: none;
    transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.tools-grid__link:hover {
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--color-accent);
}
.tools-grid__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin-bottom: .25rem;
    color: var(--color-accent);
    background: rgba(10, 37, 64, .06);
    border-radius: 8px;
}
.tools-grid__icon svg { display: block; }
.tools-grid__link:hover .tools-grid__icon {
    background: rgba(10, 37, 64, .12);
}
.tools-grid__eyebrow {
    font-family: var(--font-sans);
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--color-text-faint);
}
.tools-grid__title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    margin: 0;
    line-height: 1.2;
}
.tools-grid__short {
    margin: 0;
    color: var(--color-text-mute);
    font-size: .92rem;
    font-weight: 500;
}
.tools-grid__desc {
    margin: 0;
    color: var(--color-text-mute);
    font-size: .9rem;
    line-height: 1.55;
}
.tools-grid__cta {
    margin-top: auto;
    font-family: var(--font-sans);
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--color-accent);
}

/* ---------- Forms ---------- */
.tool-form {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}
.tool-form__row { margin-bottom: 1rem; }
.tool-form__row:last-child { margin-bottom: 0; }
.tool-form__grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: 2fr 1fr;
    margin-bottom: 1rem;
}
@media (max-width: 600px) {
    .tool-form__grid { grid-template-columns: 1fr; }
}
.tool-form__label {
    display: block;
    font-family: var(--font-sans);
    font-size: .78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-mute);
    margin-bottom: .4rem;
}
.tool-form__input,
.tool-form__select,
.tool-form__textarea {
    width: 100%;
    font: inherit;
    font-size: .95rem;
    padding: .65rem .75rem;
    background: #fff;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    min-height: 44px;
    outline: none;
    transition: border-color .12s ease, box-shadow .12s ease;
}
.tool-form__input:focus,
.tool-form__select:focus,
.tool-form__textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(10, 37, 64, 0.12);
}
.tool-form__textarea {
    resize: vertical;
    line-height: 1.5;
}
.tool-form__textarea--mono {
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
    font-size: .88rem;
}
.tool-form__inline {
    display: flex;
    gap: .5rem;
    align-items: stretch;
}
.tool-form__inline .tool-form__input { flex: 1 1 auto; }
.tool-form__range {
    width: 100%;
    accent-color: var(--color-accent);
}
.tool-form__check {
    display: block;
    font-size: .92rem;
    margin-bottom: .35rem;
    color: var(--color-text);
    cursor: pointer;
}
.tool-form__check input { margin-right: .45rem; vertical-align: middle; }
.tool-form__fieldset {
    border: 1px solid var(--color-border);
    background: #fff;
    padding: .85rem 1rem 1rem;
    margin: 0;
}
.tool-form__fieldset > .tool-form__label { margin-bottom: .55rem; padding: 0; }
.tool-form__actions {
    display: flex;
    gap: .55rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}
.tool-form__actions--inline {
    margin-top: .55rem;
}
.tool-form__error {
    margin: .55rem 0 0;
    color: #b91c1c;
    font-size: .9rem;
    min-height: 1.2em;
}

/* ---------- Buttons ---------- */
.tool-btn {
    background: #fff;
    color: var(--color-accent);
    border: 1px solid var(--color-border);
    font-family: var(--font-sans);
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: .55rem .9rem;
    min-height: 40px;
    cursor: pointer;
    transition: background .12s ease, color .12s ease, border-color .12s ease;
}
.tool-btn:hover {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}
.tool-btn--primary {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}
.tool-btn--primary:hover {
    background: var(--color-accent-2);
    border-color: var(--color-accent-2);
    color: #fff;
}
.tool-btn--copy {
    flex: 0 0 auto;
}
.tool-btn--copied {
    background: #15803d !important;
    color: #fff !important;
    border-color: #15803d !important;
}

/* ---------- Output blocks ---------- */
.tool-output { margin-bottom: 1rem; }
.tool-output:last-child { margin-bottom: 0; }
.tool-output__label {
    font-family: var(--font-sans);
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--color-text-mute);
    margin-bottom: .3rem;
}
.tool-output__row {
    display: flex;
    gap: .5rem;
}
.tool-output__field {
    flex: 1 1 auto;
    width: 100%;
    font: inherit;
    font-size: .95rem;
    padding: .65rem .75rem;
    background: #fff;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    min-height: 44px;
    outline: none;
}
.tool-output__field--mono {
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
    font-size: .85rem;
}
.tool-output__hint {
    font-size: .8rem;
    color: var(--color-text-mute);
    margin: .4rem 0 0;
    min-height: 1em;
}
.tool-output-list .tool-output { margin-bottom: .8rem; }

/* ---------- Result blocks ---------- */
.tool-result {
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    padding: 1rem 1.1rem;
    margin: 1.5rem 0 1rem;
}
.tool-result--success {
    border-left: 3px solid #15803d;
}
.tool-result--error {
    border-left: 3px solid #b91c1c;
    background: #fdf2f2;
}
.tool-result__heading {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    margin: 0 0 .35rem;
}
.tool-result__sub {
    margin: 0;
    color: var(--color-text-mute);
    font-size: .88rem;
}

.tool-section__heading {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    margin: 2rem 0 .75rem;
    border-top: 1px solid var(--color-border);
    padding-top: 1rem;
}

.tool-pre {
    background: #0f172a;
    color: #e2e8f0;
    padding: 1rem 1.1rem;
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
    font-size: .85rem;
    line-height: 1.5;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
    margin: 0 0 1rem;
    border: 1px solid #0f172a;
}
.tool-pre--scroll {
    max-height: 480px;
    overflow: auto;
}

/* ---------- Tables ---------- */
.tool-table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 1rem;
    font-size: .9rem;
}
.tool-table th,
.tool-table td {
    text-align: left;
    padding: .55rem .65rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
}
.tool-table th {
    font-family: var(--font-sans);
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-mute);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}
.tool-table code {
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
    font-size: .85rem;
}
.tool-table__wrap {
    word-break: break-all;
    white-space: pre-wrap;
    display: inline-block;
    max-width: 100%;
}

/* ---------- Misc ---------- */
.tool-ip code {
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
    font-size: 1.4rem;
    color: var(--color-accent);
    font-weight: 700;
}
.tool-empty {
    color: var(--color-text-mute);
    font-style: italic;
    margin: 1rem 0;
}
.tool-note {
    margin: 1.5rem 0 0;
    padding: .85rem 1rem;
    background: var(--color-surface-2);
    border-left: 3px solid var(--color-accent);
    font-size: .88rem;
    color: var(--color-text-mute);
    line-height: 1.5;
}
.tool-note code {
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
    font-size: .85rem;
    background: rgba(10, 37, 64, 0.06);
    padding: .05rem .3rem;
}

/* ---------- Security headers grade badge & checks ---------- */
.tool-grade {
    display: inline-block;
    font-family: var(--font-serif);
    font-weight: 900;
    font-size: 1.4rem;
    padding: .1rem .6rem;
    margin-right: .35rem;
    color: #fff;
    background: var(--color-accent);
    line-height: 1.2;
}
.tool-grade--aplus { background: #15803d; }
.tool-grade--a     { background: #15803d; }
.tool-grade--b     { background: #65a30d; }
.tool-grade--c     { background: #ca8a04; }
.tool-grade--d     { background: #c2410c; }
.tool-grade--f     { background: #b91c1c; }

.tool-checks {
    display: grid;
    gap: .65rem;
    margin: 0 0 1.5rem;
}
.tool-check {
    border: 1px solid var(--color-border);
    background: #fff;
    padding: .8rem 1rem;
    border-left: 3px solid var(--color-border);
}
.tool-check--ok   { border-left-color: #15803d; }
.tool-check--miss { border-left-color: #b91c1c; background: #fdf2f2; }
.tool-check__top {
    display: flex;
    align-items: center;
    gap: .55rem;
    margin-bottom: .35rem;
}
.tool-check__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.4rem;
    height: 1.4rem;
    border-radius: 50%;
    font-weight: 700;
    font-size: .85rem;
    color: #fff;
}
.tool-check--ok .tool-check__icon   { background: #15803d; }
.tool-check--miss .tool-check__icon { background: #b91c1c; }
.tool-check__name {
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
    font-size: .92rem;
    font-weight: 700;
    color: var(--color-text);
}
.tool-check__value {
    margin: .35rem 0;
    background: var(--color-surface);
    padding: .45rem .65rem;
    font-size: .82rem;
    color: var(--color-text);
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
    border: 1px solid var(--color-border);
}
.tool-check__note {
    margin: .25rem 0 0;
    font-size: .85rem;
    color: var(--color-text-mute);
    line-height: 1.5;
}

/* ---------- Footer Tools column ---------- */
@media (min-width: 901px) {
    .site-footer__inner { grid-template-columns: 2fr 2fr 1fr 1fr 1fr; }
}