/* =========================================================
   8Bit Free Tools — modern tool UI (scoped under .tools-ui)
   ========================================================= */

.tools-ui {
    --tu-ink: #0b1220;
    --tu-ink-soft: #1e293b;
    --tu-surface: #ffffff;
    --tu-surface-solid: #f8fafc;
    --tu-line: #e8eef3;
    --tu-muted: #64748b;
    --tu-text: #0f172a;
    --tu-accent: #0f766e;
    --tu-accent-2: #0e7490;
    --tu-accent-soft: rgba(15, 118, 110, 0.1);
    --tu-live: #047857;
    --tu-soon: #94a3b8;
    --tu-danger: #dc2626;
    --tu-radius: 1rem;
    --tu-radius-sm: 0.75rem;
    --tu-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.04);
    --tu-font-display: "Sora", system-ui, sans-serif;
    --tu-font-body: "Plus Jakarta Sans", system-ui, sans-serif;
    font-family: var(--tu-font-body);
    color: var(--tu-text);
    position: relative;
    isolation: isolate;
    overflow: clip;
    background: #f7f9fb;
}

.tools-ui::before {
    display: none;
}

.tools-ui--listing {
    padding-top: 0.35rem;
    padding-bottom: 3.5rem;
    background:
        radial-gradient(900px 420px at 8% -10%, rgba(15, 118, 110, 0.12), transparent 55%),
        radial-gradient(700px 380px at 92% 8%, rgba(14, 116, 144, 0.1), transparent 50%),
        linear-gradient(180deg, #f3f7f8 0%, #f7f9fb 42%, #f7f9fb 100%);
}

.tools-ui--listing .tu-wrap {
    width: min(1180px, calc(100% - 1.5rem));
}

.tools-ui *,
.tools-ui *::before,
.tools-ui *::after {
    box-sizing: border-box;
}

.tu-wrap {
    width: min(1120px, calc(100% - 2rem));
    margin-inline: auto;
}

.tu-wrap--narrow {
    width: min(820px, calc(100% - 2rem));
}

.tu-wrap--tool {
    width: min(1180px, calc(100% - 1.25rem));
}

/* ----- Motion ----- */
@keyframes tu-rise {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes tu-glow {
    0%,
    100% {
        opacity: 0.45;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

@keyframes tu-result-in {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.tu-anim {
    animation: tu-rise 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.tu-anim-delay-1 {
    animation-delay: 0.08s;
}

.tu-anim-delay-2 {
    animation-delay: 0.16s;
}

.tu-anim-delay-3 {
    animation-delay: 0.24s;
}

@media (prefers-reduced-motion: reduce) {
    .tu-anim,
    .tu-result-panel,
    .tu-hero__orb {
        animation: none !important;
    }
}

/* ----- Hero ----- */
.tu-hero {
    padding: 1.75rem 0 1.35rem;
    text-align: center;
    position: relative;
}

.tu-hero--start {
    text-align: left;
    padding: 1.25rem 0 1rem;
}

.tu-hero__orb {
    position: absolute;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(13, 148, 136, 0.35), transparent 70%);
    filter: blur(8px);
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: -1;
    animation: tu-glow 5s ease-in-out infinite;
    pointer-events: none;
}

.tu-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin: 0 0 1rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: rgba(7, 16, 24, 0.06);
    border: 1px solid rgba(7, 16, 24, 0.08);
    color: var(--tu-ink-soft);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tu-eyebrow i {
    color: var(--tu-accent);
}

.tu-title {
    margin: 0 0 0.85rem;
    font-family: var(--tu-font-display);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
    font-size: clamp(1.85rem, 3.2vw, 2.55rem);
    color: var(--tu-ink);
}

.tu-title--hub {
    font-size: clamp(1.9rem, 3.4vw, 2.65rem);
}

.tu-title--tool {
    margin: 0 0 0.45rem;
    font-size: clamp(1.35rem, 2.2vw, 1.75rem);
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.25;
}

.tu-title span {
    background: linear-gradient(115deg, var(--tu-accent) 0%, var(--tu-accent-2) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.tu-lead {
    margin: 0 auto;
    max-width: 38rem;
    color: var(--tu-muted);
    font-size: 1rem;
    line-height: 1.6;
    font-weight: 500;
}

.tu-lead--tool {
    margin: 0;
    max-width: 40rem;
    font-size: 0.95rem;
    line-height: 1.55;
}

.tu-hero--start .tu-lead {
    margin-left: 0;
}

.tu-meta {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    justify-content: center;
    margin-top: 1rem;
}

.tu-hero--start .tu-meta {
    justify-content: flex-start;
}

/* Compact tool page header + CTA */
.tu-toolbar {
    padding: 1.1rem 0 1.15rem;
}

.tu-toolbar .tu-back {
    margin-bottom: 0.75rem;
}

.tu-toolbar__main {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.25rem;
    padding: 1rem 1.15rem;
    border-radius: var(--tu-radius-sm);
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 12px 28px rgba(7, 16, 24, 0.05);
}

.tu-toolbar__copy {
    min-width: 0;
    flex: 1;
}

.tu-toolbar__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45rem;
    margin-bottom: 0.55rem;
}

.tu-eyebrow--inline {
    margin: 0;
    padding: 0.28rem 0.7rem;
    font-size: 0.7rem;
}

.tu-chip--sm {
    padding: 0.25rem 0.65rem;
    font-size: 0.74rem;
    box-shadow: none;
}

.tu-toolbar__cta {
    flex-shrink: 0;
    padding-top: 0.15rem;
}

.tu-btn--compact {
    padding: 0.62rem 1.15rem;
    font-size: 0.88rem;
    width: auto;
    max-width: none;
}

.tu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.7rem 1.2rem;
    border-radius: 0.65rem;
    font-family: var(--tu-font-body);
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    border: 0;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.tu-btn:hover {
    transform: none;
}

.tu-btn--solid,
.tu-btn--primary {
    background: var(--tu-accent);
    color: #fff !important;
    box-shadow: none;
}

.tu-btn--solid:hover,
.tu-btn--primary:hover {
    color: #fff !important;
    background: #0d9488;
    filter: none;
    box-shadow: none;
}

.tu-btn--ghost {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.22);
}

.tu-btn--outline {
    background: #fff;
    color: var(--tu-ink-soft);
    border: 1px solid var(--tu-line);
}

.tu-btn--outline:hover {
    color: var(--tu-accent);
    border-color: rgba(15, 118, 110, 0.35);
}

.tu-foot-cta--slim {
    margin: 0.15rem 0 2.25rem;
    padding: 1rem 1.15rem;
}

.tools-ui--tool .tu-workspace {
    padding-bottom: 1rem;
}

@media (max-width: 767.98px) {
    .tu-toolbar__main {
        flex-direction: column;
        gap: 0.9rem;
        padding: 0.95rem 1rem;
    }

    .tu-toolbar__cta,
    .tu-toolbar__cta .tu-btn {
        width: 100%;
    }

    .tu-title--tool {
        font-size: 1.35rem;
    }
}

.tu-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    background: #fff;
    border: 1px solid var(--tu-line);
    box-shadow: 0 8px 20px rgba(7, 16, 24, 0.04);
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--tu-ink-soft);
}

.tu-chip--live {
    color: var(--tu-live);
    background: rgba(5, 150, 105, 0.08);
    border-color: rgba(5, 150, 105, 0.18);
}

.tu-chip--accent {
    color: var(--tu-accent);
    background: var(--tu-accent-soft);
    border-color: rgba(13, 148, 136, 0.2);
}

/* ----- Listing intro / tabs / blocks ----- */
.tu-intro {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.35rem 0 1.25rem;
    border-bottom: 1px solid var(--tu-line);
    margin-bottom: 1.15rem;
}

.tu-intro--hub {
    align-items: center;
    margin-bottom: 1.35rem;
    padding: 1.45rem 1.4rem;
    border: 1px solid rgba(15, 118, 110, 0.12);
    border-radius: 1.15rem;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(240, 253, 250, 0.9));
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
    border-bottom: 1px solid rgba(15, 118, 110, 0.12);
}

.tu-intro--cat {
    align-items: flex-start;
}

.tu-intro__text {
    min-width: 0;
}

.tu-kicker {
    margin: 0 0 0.35rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--tu-accent);
}

.tu-intro .tu-title--hub {
    margin: 0 0 0.45rem;
    font-size: clamp(1.85rem, 3vw, 2.35rem);
    letter-spacing: -0.03em;
}

.tu-intro .tu-lead {
    margin: 0;
    max-width: 36rem;
    font-size: 0.98rem;
    line-height: 1.55;
    color: var(--tu-muted);
}

.tu-intro .tu-back {
    margin-bottom: 0.55rem;
}

.tu-intro__side {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex-shrink: 0;
}

.tu-stat-group {
    display: flex;
    gap: 0.55rem;
}

.tu-stat {
    min-width: 3.75rem;
    padding: 0.55rem 0.75rem;
    border-radius: 0.85rem;
    background: #fff;
    border: 1px solid var(--tu-line);
    text-align: center;
}

.tu-stat--accent {
    background: rgba(15, 118, 110, 0.08);
    border-color: rgba(15, 118, 110, 0.18);
}

.tu-stat--accent strong {
    color: var(--tu-accent);
}

.tu-stat strong {
    display: block;
    font-family: var(--tu-font-display);
    font-size: 1.15rem;
    line-height: 1.1;
    color: var(--tu-ink);
}

.tu-stat span {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--tu-muted);
}

.tu-tabs {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.45rem;
    overflow-x: auto;
    padding: 0.55rem;
    margin-bottom: 1.35rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.03);
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
}

.tu-tabs__item {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 0.95rem;
    border-radius: 999px;
    color: var(--tu-muted);
    text-decoration: none;
    font-size: 0.84rem;
    font-weight: 600;
    border: 1px solid transparent;
    transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.tu-tabs__item i {
    font-size: 0.78rem;
    opacity: 0.85;
}

.tu-tabs__item:hover {
    color: var(--tu-ink);
    background: #fff;
    border-color: var(--tu-line);
    transform: translateY(-1px);
}

.tu-block {
    margin-bottom: 2rem;
    scroll-margin-top: 108px;
    padding: 1.15rem 1.15rem 1.2rem;
    border-radius: 1.1rem;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(15, 23, 42, 0.05);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.03);
}

.tu-block__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.95rem;
}

.tu-block__title-wrap {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.tu-block__badge {
    width: 2.45rem;
    height: 2.45rem;
    border-radius: 0.8rem;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    background: linear-gradient(145deg, rgba(15, 118, 110, 0.14), rgba(14, 116, 144, 0.1));
    color: var(--tu-accent);
    font-size: 0.95rem;
}

.tu-block__title {
    margin: 0;
    font-family: var(--tu-font-display);
    font-size: 1.08rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--tu-ink);
}

.tu-block__meta {
    margin: 0.12rem 0 0;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--tu-muted);
}

.tu-block__link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--tu-accent);
    text-decoration: none;
    white-space: nowrap;
}

.tu-block__link i {
    font-size: 0.7rem;
    transition: transform 0.18s ease;
}

.tu-block__link:hover {
    text-decoration: none;
}

.tu-block__link:hover i {
    transform: translateX(3px);
}

.tu-coming {
    margin-top: 0.5rem;
    padding: 1.1rem 1.15rem;
    border-radius: var(--tu-radius);
    background: #fff;
    border: 1px solid var(--tu-line);
}

.tu-coming__label {
    margin: 0 0 0.65rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--tu-muted);
}

.tu-coming__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.tu-coming__item {
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: var(--tu-surface-solid);
    color: var(--tu-ink-soft);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
}

.tu-coming__item:hover {
    color: var(--tu-accent);
}

@media (max-width: 767.98px) {
    .tu-intro,
    .tu-intro--hub {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
        padding: 1.15rem 1rem;
    }

    .tu-intro__side {
        flex-wrap: wrap;
    }

    .tu-intro__side .tu-btn {
        width: 100%;
    }

    .tu-tabs {
        border-radius: 1rem;
    }

    .tu-block {
        padding: 1rem 0.85rem 1.05rem;
    }
}

/* ----- Icon tool tiles (hub + category) ----- */
.tu-icon-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.85rem;
}

@media (max-width: 1100px) {
    .tu-icon-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .tu-icon-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.7rem;
    }
}

.tu-icon-tile {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    gap: 0.7rem;
    min-height: 100%;
    padding: 1rem 1rem 0.9rem;
    border-radius: 1rem;
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.07);
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.02);
    text-decoration: none;
    color: inherit;
    overflow: hidden;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.tu-icon-tile::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--tu-accent), var(--tu-accent-2));
    opacity: 0;
    transition: opacity 0.2s ease;
}

.tu-icon-tile:hover {
    transform: translateY(-3px);
    border-color: rgba(15, 118, 110, 0.28);
    box-shadow: 0 14px 28px rgba(15, 23, 42, 0.07);
    color: inherit;
}

.tu-icon-tile:hover::before {
    opacity: 1;
}

.tu-icon-tile__top {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.tu-icon-tile__go {
    width: 1.7rem;
    height: 1.7rem;
    border-radius: 999px;
    display: grid;
    place-items: center;
    color: var(--tu-muted);
    background: #f8fafc;
    font-size: 0.68rem;
    opacity: 0.65;
    transition: opacity 0.18s ease, background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.tu-icon-tile:hover .tu-icon-tile__go {
    opacity: 1;
    color: #fff;
    background: var(--tu-accent);
    transform: translateX(2px);
}

.tu-icon-tile--soon {
    background: #fcfdfe;
}

.tu-icon-tile--soon .tu-icon-tile__icon {
    background: #f1f5f9;
    color: #94a3b8;
}

.tu-icon-tile--soon .tu-icon-tile__name {
    color: #64748b;
}

.tu-icon-tile--soon::before {
    background: #cbd5e1;
}

.tu-icon-tile__icon {
    width: 2.85rem;
    height: 2.85rem;
    border-radius: 0.85rem;
    display: grid;
    place-items: center;
    background: linear-gradient(160deg, rgba(15, 118, 110, 0.14), rgba(14, 116, 144, 0.08));
    color: var(--tu-accent);
    font-size: 1.1rem;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.tu-icon-tile:hover .tu-icon-tile__icon {
    background: linear-gradient(145deg, var(--tu-accent), var(--tu-accent-2));
    color: #fff;
    transform: scale(1.04);
}

.tu-icon-tile--soon:hover .tu-icon-tile__icon {
    background: #e2e8f0;
    color: #64748b;
    transform: none;
}

.tu-icon-tile__name {
    font-family: var(--tu-font-display);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.35;
    color: var(--tu-ink);
    min-height: 2.4em;
}

.tu-icon-tile__status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: auto;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--tu-live);
}

.tu-icon-tile__dot {
    width: 0.42rem;
    height: 0.42rem;
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 0 3px rgba(4, 120, 87, 0.12);
}

.tu-icon-tile--soon .tu-icon-tile__status {
    color: var(--tu-soon);
}

.tu-icon-tile--soon .tu-icon-tile__dot {
    box-shadow: 0 0 0 3px rgba(148, 163, 184, 0.16);
}

@media (prefers-reduced-motion: reduce) {
    .tu-icon-tile,
    .tu-icon-tile__icon,
    .tu-icon-tile__go,
    .tu-tabs__item,
    .tu-block__link i {
        transition: none;
    }

    .tu-icon-tile:hover,
    .tu-tabs__item:hover {
        transform: none;
    }
}

.tu-empty {
    padding: 2rem 1.25rem;
    border-radius: var(--tu-radius-sm);
    background: #fff;
    border: 1px dashed var(--tu-line);
    color: var(--tu-muted);
    text-align: center;
    font-weight: 600;
}

/* ----- Legacy section aliases (safe no-ops if unused) ----- */
.tu-cat-jump,
.tu-section,
.tu-upcoming {
    /* kept empty for older cached markup safety */
}

/* ----- Calculator page ----- */
.tools-ui--tool {
    padding-top: 1.25rem;
    padding-bottom: 2rem;
}

.tu-crumbbar {
    width: min(1180px, calc(100% - 1.25rem));
    margin: 0.85rem auto 0;
    padding-top: 0.15rem;
}

.tu-crumbbar__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--tu-muted, #64748b);
}

.tu-crumbbar__list li {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.tu-crumbbar__list li:not(:last-child)::after {
    content: "/";
    color: #94a3b8;
}

.tu-crumbbar__list a {
    color: var(--tu-accent, #0f766e);
    text-decoration: none;
    font-weight: 600;
}

.tu-crumbbar__list a:hover {
    text-decoration: underline;
}

.tu-crumbbar__list span,
.tu-crumbbar__list [aria-current="page"] {
    color: #0f172a;
    font-weight: 700;
    pointer-events: none;
}

.tu-intro--tool {
    display: block;
    margin-bottom: 0.85rem;
    padding: 0.55rem 0 0.65rem;
    border-bottom: 0;
}

.tu-intro--tool .tu-back {
    margin-bottom: 0.4rem;
}

.tu-intro--tool .tu-title--tool {
    font-size: 1.35rem;
    margin-bottom: 0.25rem;
}

.tu-intro--tool .tu-lead--tool {
    font-size: 0.9rem;
    max-width: 40rem;
}

.tu-calc {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0;
    background: #fff;
    border: 1px solid var(--tu-line);
    border-radius: 0.85rem;
    overflow: hidden;
    box-shadow: none;
}

.tu-calc__form,
.tu-calc__result {
    padding: 1.15rem 1.2rem 1.25rem;
    min-height: 280px;
}

.tu-calc__form {
    border-right: 1px solid var(--tu-line);
}

.tu-calc__result {
    background: #fbfcfd;
}

.tu-calc--has-result .tu-calc__result {
    background: #fff;
}

.tu-calc__label {
    margin: 0 0 1rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--tu-muted);
}

@media (max-width: 767.98px) {
    .tu-calc {
        grid-template-columns: 1fr;
    }

    .tu-calc__form {
        border-right: 0;
        border-bottom: 1px solid var(--tu-line);
        min-height: 0;
    }

    .tu-calc__result {
        min-height: 220px;
        order: 2;
    }
}

@media (min-width: 768px) {
    .tu-calc__result {
        align-self: start;
    }

    .tu-calc {
        align-items: start;
    }
}

.tu-result-placeholder {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 220px;
    text-align: center;
    padding: 1rem 0.5rem;
}

.tu-result-placeholder__title {
    margin: 0 0 0.35rem;
    font-family: var(--tu-font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--tu-ink);
}

.tu-result-placeholder__text {
    margin: 0 auto;
    max-width: 16rem;
    color: var(--tu-muted);
    font-size: 0.88rem;
    line-height: 1.5;
}

.tu-alert {
    margin-bottom: 1rem;
    padding: 0.85rem 1rem;
    border-radius: 0.75rem;
    background: rgba(220, 38, 38, 0.07);
    border: 1px solid rgba(220, 38, 38, 0.16);
    color: #991b1b;
    font-weight: 600;
    font-size: 0.9rem;
}

.tu-result-grid {
    display: grid;
    gap: 0.55rem;
    margin: 0;
    animation: tu-result-in 0.45s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.tu-result-item {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 0.55rem;
    align-items: center;
    padding: 0.7rem 0.85rem;
    border-radius: 0.7rem;
    background: var(--tu-surface-solid);
    border: 1px solid transparent;
}

.tu-result-item--hot {
    background: var(--tu-accent-soft);
    border-color: rgba(15, 118, 110, 0.14);
}

.tu-result-item--hot dd {
    color: var(--tu-accent);
    font-size: 1.15rem;
}

@media (max-width: 575px) {
    .tu-result-item {
        grid-template-columns: 1fr;
        gap: 0.2rem;
    }
}

.tu-result-item dt {
    margin: 0;
    color: var(--tu-muted);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tu-result-item dd {
    margin: 0;
    font-family: var(--tu-font-display);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: -0.02em;
    color: var(--tu-ink);
    word-break: break-word;
}

.tu-result-item--wide {
    grid-template-columns: 1fr;
}

.tu-pre-wrap {
    position: relative;
}

.tu-pre {
    margin: 0;
    padding: 0.85rem 2.5rem 0.85rem 0.95rem;
    border-radius: 0.65rem;
    background: #0b1220;
    color: #e2e8f0;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.82rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-x: auto;
}

.tu-copy-btn {
    position: absolute;
    top: 0.45rem;
    right: 0.45rem;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 0.45rem;
    background: rgba(15, 23, 42, 0.85);
    color: #e2e8f0;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.tu-copy-btn:hover {
    background: rgba(15, 118, 110, 0.95);
    border-color: rgba(45, 212, 191, 0.45);
    color: #fff;
}

.tu-copy-btn.is-copied {
    background: #0f766e;
    border-color: #14b8a6;
    color: #fff;
}

.tu-copy-btn i {
    font-size: 0.78rem;
    pointer-events: none;
}

.tu-tool-foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: 1rem;
    padding-top: 0.95rem;
    border-top: 1px solid var(--tu-line);
}

.tu-tool-foot p {
    margin: 0;
    color: var(--tu-muted);
    font-size: 0.88rem;
    font-weight: 500;
}

.tu-tool-foot__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem;
}

@media (max-width: 575px) {
    .tu-tool-foot {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ----- Forms inside tools ----- */
.tools-ui .form-label,
.tools-ui legend.form-label {
    font-weight: 600;
    color: var(--tu-ink-soft);
    font-size: 0.86rem;
    margin-bottom: 0.35rem;
}

.tools-ui .form-control,
.tools-ui .form-select {
    border-radius: 0.7rem;
    border: 1px solid #dbe3ea;
    padding: 0.7rem 0.9rem;
    font-weight: 500;
    color: var(--tu-text);
    background: #fff;
    box-shadow: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.tools-ui .form-control:focus,
.tools-ui .form-select:focus {
    border-color: rgba(15, 118, 110, 0.55);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

.tools-ui textarea.form-control {
    min-height: 140px;
}

.tools-ui .form-text {
    color: var(--tu-muted);
    font-weight: 500;
}

.tools-ui .form-check {
    margin-bottom: 0.45rem;
}

.tools-ui .form-check-input:checked {
    background-color: var(--tu-accent);
    border-color: var(--tu-accent);
}

.tools-ui .btn.btn-primary,
.tools-ui button[type="submit"].btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    margin-top: 0.45rem;
    min-width: 140px;
    padding: 0.7rem 1.2rem;
    border: 0;
    border-radius: 0.65rem;
    background: var(--tu-accent) !important;
    color: #fff !important;
    font-family: var(--tu-font-body);
    font-weight: 700;
    letter-spacing: 0;
    box-shadow: none;
    transition: background 0.15s ease;
}

.tools-ui .btn.btn-primary:hover,
.tools-ui button[type="submit"].btn-primary:hover {
    transform: none;
    filter: none;
    background: #0d9488 !important;
    box-shadow: none;
    color: #fff !important;
}

.tools-ui .btn.btn-primary.is-loading,
.tools-ui button[type="submit"].btn-primary.is-loading {
    opacity: 0.85;
    pointer-events: none;
}

.tu-calc__result {
    position: relative;
    top: auto;
}

.tu-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    align-items: center;
    margin-top: 0.15rem;
}

.tu-actions .btn {
    min-width: 7.5rem;
}

.tools-ui .btn.btn-outline-secondary,
.tools-ui button[type="reset"].btn-outline-secondary {
    border-color: #cbd5e1;
    color: #334155;
    background: #fff;
    box-shadow: none;
}

.tools-ui .btn.btn-outline-secondary:hover,
.tools-ui button[type="reset"].btn-outline-secondary:hover {
    border-color: #94a3b8;
    background: #f8fafc;
    color: #0f172a;
}

.tu-calc__loader {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    background: rgba(251, 252, 253, 0.88);
    backdrop-filter: blur(2px);
    color: var(--tu-muted);
    font-size: 0.88rem;
    font-weight: 700;
}

.tu-calc--loading .tu-calc__result {
    min-height: 280px;
}

.tu-spinner {
    width: 1.65rem;
    height: 1.65rem;
    border-radius: 50%;
    border: 2.5px solid rgba(15, 118, 110, 0.18);
    border-top-color: var(--tu-accent);
    animation: tu-spin 0.7s linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
    .tu-spinner {
        animation: none;
        border-top-color: var(--tu-accent);
    }
}

/* ----- Coming soon ----- */
.tu-soon-card {
    margin: 1rem auto 3rem;
    max-width: 640px;
    padding: 2.5rem 1.75rem;
    text-align: center;
    border-radius: calc(var(--tu-radius) + 0.2rem);
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: var(--tu-shadow);
}

.tu-soon-card .tu-title {
    font-size: clamp(1.7rem, 3.5vw, 2.3rem);
}

.tu-soon-card .tu-lead {
    margin-bottom: 1.5rem;
}

/* Soften breadcrumb on tools pages */
body:has(.tools-ui) .page-breadcrumb,
body:has(.tools-ui) .breadcrumb-item + .breadcrumb-item::before {
    font-family: var(--tu-font-body, inherit);
}

/* ----- Enquiry modal ----- */
#toolsEnquiryModal {
    --tu-ink: #0b1220;
    --tu-ink-soft: #1e293b;
    --tu-muted: #64748b;
    --tu-accent: #0f766e;
    --tu-font-display: "Sora", system-ui, sans-serif;
    --tu-font-body: "Plus Jakarta Sans", system-ui, sans-serif;
}

.tu-enq-dialog {
    max-width: 460px;
    margin: 0.75rem auto;
}

@media (max-width: 575.98px) {
    .tu-enq-dialog {
        max-width: calc(100% - 1rem);
        margin: 0.5rem auto;
    }

    #toolsEnquiryModal .modal-body {
        padding-bottom: max(1rem, env(safe-area-inset-bottom));
    }
}

.tu-enq-content {
    border: 0;
    border-radius: 1.15rem;
    overflow: hidden;
    box-shadow: 0 28px 70px rgba(7, 16, 24, 0.28);
}

#toolsEnquiryModal .modal-header {
    padding: 1.15rem 1.25rem 0.25rem;
    align-items: flex-start;
}

#toolsEnquiryModal .modal-title {
    font-family: var(--tu-font-display, inherit);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--tu-ink, #071018);
}

.tu-enq-eyebrow {
    margin: 0;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--tu-accent, #0d9488);
}

.tu-enq-reassure {
    margin: 0;
    color: var(--tu-muted, #5b6b7c);
    font-size: 0.9rem;
    font-weight: 500;
}

.tu-enq-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--tu-ink-soft, #121c2b);
    margin-bottom: 0.3rem;
}

#toolsEnquiryModal .form-control,
#toolsEnquiryModal .form-select {
    border-radius: 0.75rem;
    border: 1px solid rgba(7, 16, 24, 0.12);
    padding: 0.7rem 0.85rem;
}

#toolsEnquiryModal .form-control:focus,
#toolsEnquiryModal .form-select:focus {
    border-color: rgba(13, 148, 136, 0.55);
    box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.12);
}

#toolsEnquiryModal .tu-btn--solid,
#toolsEnquiryModal .tu-btn--primary,
#toolsEnqSubmitBtn {
    display: inline-flex;
    width: 100%;
    max-width: none;
    background: #0f766e;
    color: #fff !important;
    border: 0;
    box-shadow: none;
}

#toolsEnquiryModal .tu-btn--solid:hover,
#toolsEnquiryModal .tu-btn--primary:hover,
#toolsEnqSubmitBtn:hover {
    background: #0d9488;
    color: #fff !important;
}

#toolsEnquiryModal .modal-body {
    padding-bottom: 1.25rem;
}

#toolsEnquiryModal .btn-loader {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

/* —— Tool guide (AdSense-safe educational content) —— */
.tu-guide {
    margin: 1.75rem 0 0.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--tu-line);
}

.tu-guide__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 1.25rem 1.5rem;
    align-items: start;
}

.tu-guide__h {
    font-size: 1.15rem;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 0.55rem;
    letter-spacing: -0.01em;
}

.tu-guide__h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: #0f172a;
    margin: 1.15rem 0 0.45rem;
}

.tu-guide__aside .tu-guide__h3 {
    margin-top: 0;
}

.tu-guide__p {
    margin: 0;
    font-size: 0.92rem;
    line-height: 1.65;
    color: #334155;
}

.tu-guide__p--small {
    font-size: 0.86rem;
    line-height: 1.55;
    color: #475569;
}

.tu-guide__steps {
    margin: 0;
    padding-left: 1.15rem;
    font-size: 0.92rem;
    line-height: 1.55;
    color: #334155;
}

.tu-guide__steps li + li {
    margin-top: 0.35rem;
}

.tu-guide__faqs {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    margin-top: 0.35rem;
}

.tu-guide__faq {
    border: 1px solid var(--tu-line);
    border-radius: 0.55rem;
    background: #fff;
    padding: 0.55rem 0.75rem;
}

.tu-guide__faq summary {
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    color: #0f172a;
    list-style: none;
}

.tu-guide__faq summary::-webkit-details-marker {
    display: none;
}

.tu-guide__faq summary::before {
    content: "+";
    display: inline-block;
    width: 1rem;
    color: #0f766e;
    font-weight: 700;
}

.tu-guide__faq[open] summary::before {
    content: "–";
}

.tu-guide__faq p {
    margin: 0.45rem 0 0.15rem;
    padding-left: 1rem;
    font-size: 0.86rem;
    line-height: 1.55;
    color: #475569;
}

.tu-guide__card {
    padding: 0.95rem 1rem;
    border: 1px solid var(--tu-line);
    border-radius: 0.7rem;
    background: #f8fafc;
}

.tu-guide__card + .tu-guide__card {
    margin-top: 0.75rem;
}

.tu-guide__card--cta {
    background: #fff;
}

.tu-guide__related {
    margin: 0;
    padding: 0;
    list-style: none;
}

.tu-guide__related li + li {
    margin-top: 0.4rem;
}

.tu-guide__related a {
    font-size: 0.88rem;
    font-weight: 600;
    color: #0f766e;
    text-decoration: none;
}

.tu-guide__related a:hover {
    color: #0d9488;
    text-decoration: underline;
}

@media (max-width: 900px) {
    .tu-guide__grid {
        grid-template-columns: 1fr;
    }
}

/* AdSense units on tool pages */
.site-ad {
    margin: 1rem 0;
    min-height: 90px;
    overflow: hidden;
    text-align: center;
}

.site-ad--top {
    margin-top: 0.35rem;
    margin-bottom: 1rem;
}

.site-ad--middle {
    margin-top: 1.15rem;
    margin-bottom: 0.25rem;
}

.site-ad--bottom {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}