/* Reusable components: card, section heading, buttons, badges, status, avatar, lists, forms, dialog, ads. */

@layer components {
    /* Card: flat filled surface, no border or shadow */
    .card {
        container-type: inline-size;
        background: var(--surface);
        border-radius: var(--radius-lg);
        padding: clamp(1rem, .8rem + 1vw, 1.5rem);
    }

    /* Section heading above a card: h2 + one-line subtitle, optional controls on the right */
    .section { display: grid; gap: var(--space-4); }
    .section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-2) var(--space-4); flex-wrap: wrap; }
    .section-head h2 { font-size: var(--step-3); }
    .section-head p { margin-block-start: var(--space-1); color: var(--muted); font-size: var(--step-0); max-inline-size: 60ch; }

    /* Rows separated by hairlines */
    .rows > li { padding-block: var(--space-4); border-block-start: 1px solid var(--line); }
    .rows > li:first-child { border-block-start: 0; padding-block-start: 0; }
    .rows > li:last-child { padding-block-end: 0; }

    .link-more {
        display: block;
        margin: var(--space-4) auto 0;
        padding: var(--space-2) var(--space-4);
        border-radius: var(--radius-pill);
        background: var(--surface-3);
        color: var(--ink);
        font-size: var(--step--1);
        font-weight: 550;
    }
    .link-more:hover { background: var(--line-strong); }

    /* Buttons */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: var(--space-2);
        min-block-size: 2.75rem;
        padding: var(--space-2) var(--space-5);
        border-radius: var(--radius-pill);
        border: 1px solid transparent;
        background: var(--surface-3);
        color: var(--ink);
        font-weight: 600;
        font-size: var(--step--1);
        line-height: 1.2;
        white-space: nowrap;
        text-decoration: none;
        transition: background var(--dur), border-color var(--dur), transform var(--dur) var(--ease);
    }
    .btn:hover { background: var(--line-strong); color: var(--ink); }
    .btn:active { transform: translateY(1px); }
    .btn .icon { inline-size: 1.15rem; block-size: 1.15rem; flex: none; }
    .btn--primary { background: var(--brand); border-color: var(--brand); color: var(--on-brand); }
    .btn--primary:hover { background: var(--brand-strong); border-color: var(--brand-strong); color: var(--on-brand); }
    .btn--lg { min-block-size: 3.5rem; padding-inline: var(--space-6); font-size: var(--step-0); }
    .btn--block { inline-size: 100%; }
    .btn--ghost { border-color: transparent; background: none; }
    .btn--sm { min-block-size: 2.25rem; padding-inline: var(--space-4); }
    .btn[disabled] { opacity: .6; cursor: progress; }

    .link-btn { color: var(--brand); font-weight: 600; text-decoration: underline; text-underline-offset: .18em; }

    /* Segmented toggle (24h / 7d) */
    .segmented {
        display: inline-flex;
        padding: 3px;
        border-radius: var(--radius-pill);
        background: var(--surface-3);
    }
    .segmented button {
        min-inline-size: 3rem;
        padding: var(--space-1) var(--space-3);
        border-radius: var(--radius-pill);
        font-size: var(--step--1);
        font-weight: 600;
        color: var(--muted);
    }
    .segmented--sm button { min-inline-size: 0; padding: 2px var(--space-3); font-size: .8125rem; }
    .segmented button[aria-pressed="true"] { background: var(--surface-2); color: var(--ink); box-shadow: var(--shadow-sm); }

    /* Status pill + dot. Color is always paired with an icon or text. */
    .status {
        --s-ink: var(--muted);
        --s-fill: var(--muted);
        --s-tint: var(--surface-2);
        --s-line: var(--line);
    }
    .is-normal { --s-ink: var(--ok); --s-fill: var(--ok-fill); --s-tint: var(--ok-tint); --s-line: var(--ok-line); }
    .is-possible { --s-ink: var(--warn); --s-fill: var(--warn-fill); --s-tint: var(--warn-tint); --s-line: var(--warn-line); }
    .is-problems { --s-ink: var(--bad); --s-fill: var(--bad-fill); --s-tint: var(--bad-tint); --s-line: var(--bad-line); }

    .status-dot {
        display: inline-block;
        inline-size: .625rem;
        block-size: .625rem;
        border-radius: 50%;
        background: var(--s-fill);
        box-shadow: 0 0 0 3px var(--s-tint);
        flex: none;
    }
    .status-pill {
        display: inline-flex;
        align-items: center;
        gap: var(--space-2);
        padding: 2px var(--space-3) 2px var(--space-2);
        border-radius: var(--radius-pill);
        background: var(--s-tint);
        color: var(--s-ink);
        font-size: var(--step--1);
        font-weight: 650;
    }
    .status-pill .icon { inline-size: 1rem; block-size: 1rem; }

    /* Avatar: logo or initials */
    .avatar {
        display: grid;
        place-items: center;
        inline-size: var(--avatar-size, 3.5rem);
        block-size: var(--avatar-size, 3.5rem);
        flex: none;
        border-radius: 22%;
        overflow: hidden;
        background: var(--logo-bg);
        border: 1px solid var(--line);
        color: var(--on-avatar);
        font-weight: 750;
        font-size: calc(var(--avatar-size, 3.5rem) * .38);
        letter-spacing: -.02em;
    }
    .avatar img { inline-size: 100%; block-size: 100%; object-fit: contain; padding: 12%; }
    .avatar--initials { border: 0; }
    .avatar--1 { background: var(--avatar-1); } .avatar--2 { background: var(--avatar-2); }
    .avatar--3 { background: var(--avatar-3); } .avatar--4 { background: var(--avatar-4); }
    .avatar--5 { background: var(--avatar-5); } .avatar--6 { background: var(--avatar-6); }

    /* Breadcrumb */
    .breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-1) var(--space-2); font-size: var(--step--1); color: var(--muted); }
    .breadcrumb li { display: inline-flex; align-items: center; gap: var(--space-2); }
    .breadcrumb li + li::before { content: "/"; color: var(--line-strong); }
    .breadcrumb a { color: var(--muted); text-decoration: none; }
    .breadcrumb a:hover { color: var(--brand); text-decoration: underline; }
    .breadcrumb [aria-current] { color: var(--ink-2); }

    /* Horizontal meter bars (breakdown) */
    .meter-list { display: grid; gap: var(--space-4); }
    .meter__row { display: flex; justify-content: space-between; gap: var(--space-3); margin-block-end: var(--space-2); font-size: var(--step--1); }
    .meter__label { color: var(--ink); font-weight: 550; }
    .meter__value { color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
    .meter__track { block-size: .5rem; border-radius: var(--radius-pill); background: var(--surface-3); overflow: hidden; }
    .meter__fill {
        block-size: 100%;
        inline-size: calc(var(--pct) * 1%);
        min-inline-size: 4px;
        border-radius: inherit;
        background: var(--brand);
    }

    /* Plain list with dividers */
    .list { display: grid; }
    .list > li { padding-block: var(--space-3); border-block-start: 1px solid var(--line); }
    .list > li:first-child { border-block-start: 0; padding-block-start: 0; }

    .empty { color: var(--muted); }
    .empty .icon { display: inline; inline-size: 1.1em; block-size: 1.1em; vertical-align: -.2em; margin-inline-end: var(--space-1); }

    .flag { inline-size: 1.25rem; block-size: .9375rem; border-radius: 2px; object-fit: cover; box-shadow: 0 0 0 1px var(--line); flex: none; }

    /* Notice (scam warning, form messages) */
    .notice {
        display: flex;
        gap: var(--space-3);
        padding: var(--space-4);
        border-radius: var(--radius);
        background: var(--surface);
        color: var(--ink-2);
        font-size: var(--step--1);
    }
    .notice .icon { inline-size: 1.25rem; block-size: 1.25rem; flex: none; margin-block-start: 1px; }
    .notice strong { display: block; }
    .notice--warn { background: var(--warn-tint); }
    .notice--warn .icon { color: var(--warn); }
    .notice--ok { background: var(--ok-tint); }
    .notice--ok .icon { color: var(--ok); }

    /* Forms */
    .field { display: grid; gap: var(--space-1); }
    .field label { font-size: var(--step--1); font-weight: 550; color: var(--ink); }
    .field small { color: var(--muted); }
    .input {
        inline-size: 100%;
        padding: var(--space-3) var(--space-4);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        background: var(--surface-2);
        color: var(--ink);
    }
    .input:focus { outline: 3px solid var(--brand-tint); border-color: var(--brand); }
    textarea.input { resize: vertical; min-block-size: 7rem; }

    /* Choice tiles (report modal): tap one; the picked tile turns brand-tinted and shows a check */
    .choices { display: grid; gap: var(--space-2); grid-template-columns: repeat(auto-fit, minmax(min(100%, 10rem), 1fr)); border: 0; padding: 0; }
    .choice { position: relative; }
    .choice input { position: absolute; opacity: 0; inset: 0; }
    .choice span {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--space-2);
        block-size: 100%;
        min-block-size: 3.25rem;
        padding: var(--space-3) var(--space-4);
        border: 1.5px solid transparent;
        border-radius: var(--radius);
        background: var(--surface);
        color: var(--ink);
        font-weight: 600;
        line-height: 1.25;
        cursor: pointer;
        transition: background var(--dur), border-color var(--dur), color var(--dur), transform var(--dur) var(--ease);
    }
    .choice .icon { inline-size: 1.25rem; block-size: 1.25rem; flex: none; color: var(--brand); opacity: 0; scale: .4; transition: opacity var(--dur), scale .25s var(--ease); }
    .choice:hover span { background: var(--surface-3); }
    .choice:active span { transform: scale(.98); }
    .choice input:checked + span { border-color: var(--brand); background: var(--brand-tint); color: var(--brand-strong); }
    .choice input:checked + span .icon { opacity: 1; scale: 1; }
    .choice input:focus-visible + span { outline: 3px solid var(--brand); outline-offset: 2px; }

    /* Dialog (report modal): fades and scales in over a blurred page; a bottom sheet on phones */
    .dialog {
        inline-size: min(100% - 2 * var(--space-4), 32rem);
        max-block-size: min(100dvh - 2 * var(--space-4), 46rem);
        margin: auto;
        padding: 0;
        border: 0;
        border-radius: 24px;
        background: var(--surface-2);
        color: var(--ink-2);
        box-shadow: var(--shadow-lg);
        overscroll-behavior: contain;
    }
    .dialog::backdrop { background: var(--backdrop); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
    .dialog__body { display: grid; gap: var(--space-4); padding: var(--space-5); }
    .dialog__head { display: flex; align-items: flex-start; gap: var(--space-3); }
    .dialog__head > div { flex: 1; min-inline-size: 0; }
    .dialog__head h2 { font-size: var(--step-2); line-height: 1.2; color: var(--ink); text-wrap: balance; }
    .dialog__head p { color: var(--muted); font-size: var(--step--1); margin-block-start: var(--space-1); }
    .dialog__close { display: grid; place-items: center; inline-size: 2.5rem; block-size: 2.5rem; margin: calc(-1 * var(--space-2)) calc(-1 * var(--space-2)) 0 0; border-radius: 50%; color: var(--muted); flex: none; transition: background var(--dur), color var(--dur); }
    .dialog__close:hover { background: var(--surface); color: var(--ink); }
    /* Chips: small pill links (related countries, search categories) */
    .chips { display: flex; flex-wrap: wrap; gap: var(--space-2); }
    .chips a { display: inline-flex; align-items: center; gap: var(--space-2); padding: var(--space-1) var(--space-3); border-radius: var(--radius-pill); background: var(--surface); font-size: var(--step--1); color: var(--ink-2); text-decoration: none; }
    .chips a:hover { background: var(--surface-3); color: var(--ink); }

    /* Search dialog (partials/search-dialog.php, js/search.js): a panel near the top of the screen, full screen
       on phones. An inset field on top, compact rows that lead with the name and end with the status, and a
       footer with the key hints and the link to all results. */
    .search {
        inline-size: min(100% - 2 * var(--space-4), 40rem);
        max-block-size: min(100dvh - 2 * min(10vh, 6rem), 44rem);
        margin: min(10vh, 6rem) auto auto;
        padding: 0;
        border: 1px solid var(--line);
        border-radius: var(--radius-lg);
        background: var(--surface-2);
        color: var(--ink-2);
        box-shadow: var(--shadow-lg);
        overflow: hidden;
        overscroll-behavior: contain;
        opacity: 0;
        scale: .97;
        transition: opacity var(--dur), scale .22s var(--ease), overlay .22s allow-discrete, display .22s allow-discrete;
    }
    .search[open] { display: flex; flex-direction: column; opacity: 1; scale: 1; }
    @starting-style { .search[open] { opacity: 0; scale: .97; } }
    .search::backdrop { background: var(--backdrop); backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px); opacity: 0; transition: opacity var(--dur), overlay var(--dur) allow-discrete, display var(--dur) allow-discrete; }
    .search[open]::backdrop { opacity: 1; }
    @starting-style { .search[open]::backdrop { opacity: 0; } }

    .search__head { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-3); flex: none; }
    .search__field {
        display: flex;
        align-items: center;
        gap: var(--space-3);
        flex: 1;
        min-inline-size: 0;
        padding-inline: var(--space-4) var(--space-3);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        background: var(--surface);
        color: var(--muted);
        transition: border-color var(--dur), background var(--dur), box-shadow var(--dur);
    }
    .search__field:focus-within { border-color: var(--brand); background: var(--surface-2); box-shadow: 0 0 0 4px var(--brand-tint); color: var(--brand); }
    .search__field > .icon { inline-size: 1.2rem; block-size: 1.2rem; flex: none; }
    .search__field input { flex: 1; min-inline-size: 0; padding-block: var(--space-3); border: 0; background: none; color: var(--ink); font-size: var(--step-1); }
    .search__field input::placeholder { color: var(--muted); }
    .search__field input:focus { outline: none; }
    .search__field input::-webkit-search-cancel-button { display: none; }
    .search__spinner { display: none; inline-size: 1rem; block-size: 1rem; border: 2px solid var(--line-strong); border-block-start-color: var(--brand); border-radius: 50%; animation: search-spin .7s linear infinite; flex: none; }
    .search.is-loading .search__spinner { display: block; }
    @keyframes search-spin { to { rotate: 1turn; } }

    .search kbd, .search__enter {
        display: inline-grid;
        place-items: center;
        min-inline-size: 1.5rem;
        padding: 0 var(--space-1);
        border: 1px solid var(--line-strong);
        border-radius: 5px;
        background: var(--surface-2);
        color: var(--muted);
        font: 600 .6875rem/1.6 var(--font-mono);
    }
    .search__close { display: grid; place-items: center; padding: var(--space-2); border-radius: var(--radius-sm); color: var(--ink-2); font-weight: 600; flex: none; }
    .search__close:hover kbd { border-color: var(--brand); color: var(--brand); }
    .search__close span { display: none; }

    .search__body { display: grid; gap: var(--space-5); padding: var(--space-2) var(--space-3) var(--space-4); overflow-y: auto; overscroll-behavior: contain; }
    .search__label { display: flex; align-items: center; gap: var(--space-2); margin-block-end: var(--space-1); padding-inline: var(--space-2); color: var(--ink-2); font-size: var(--step--1); font-weight: 650; }
    .search__list { display: grid; }
    .search__list:empty { display: none; }
    .search__list [role="group"], .search__rank { display: grid; gap: 1px; }

    .search__option {
        position: relative;
        display: flex;
        align-items: center;
        gap: var(--space-3);
        padding: var(--space-2);
        border-radius: var(--radius-sm);
        color: var(--ink);
        text-decoration: none;
        scroll-margin-block: var(--space-2);
    }
    .search__option[aria-selected="true"] { background: var(--surface); box-shadow: inset 3px 0 0 var(--brand); }
    .search__option .avatar { border-radius: 9px; }
    .search__text { display: grid; min-inline-size: 0; flex: 1; }
    .search__name { overflow: hidden; font-size: var(--step-0); font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
    .search__rank .search__name { flex: 1; min-inline-size: 0; }
    .search__name mark { padding-inline: 1px; border-radius: 3px; background: var(--brand-tint); color: var(--brand-strong); }
    .search__meta { overflow: hidden; color: var(--muted); font-size: .8125rem; text-overflow: ellipsis; white-space: nowrap; }
    .search__meta:empty { display: none; }
    .search__pos { inline-size: 1.25rem; color: var(--muted); font-size: var(--step--1); font-weight: 650; font-variant-numeric: tabular-nums; text-align: center; flex: none; }
    .search__count { color: var(--muted); font-size: .8125rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
    .search__state { display: inline-flex; align-items: center; gap: var(--space-2); color: var(--muted); font-size: .8125rem; white-space: nowrap; flex: none; }
    .search__state.is-possible, .search__state.is-problems { color: var(--s-ink); font-weight: 600; }
    .search__enter { visibility: hidden; flex: none; }
    .search__option[aria-selected="true"] .search__enter { visibility: visible; }

    .search__cats { padding-inline: var(--space-2); }
    .search__cats .search__label { padding-inline: 0; }
    .search__cats ul { display: flex; flex-wrap: wrap; gap: var(--space-2); }
    .search__cats a {
        display: inline-flex;
        align-items: center;
        gap: var(--space-2);
        padding: var(--space-1) var(--space-3) var(--space-1) var(--space-2);
        border-radius: var(--radius-sm);
        background: var(--surface);
        color: var(--ink-2);
        font-size: var(--step--1);
        font-weight: 550;
        text-decoration: none;
        transition: background var(--dur), color var(--dur);
    }
    .search__cats a .icon { inline-size: 1rem; block-size: 1rem; color: var(--brand); }
    .search__cats a:hover { background: var(--brand-tint); color: var(--ink); }

    .search__empty { display: grid; justify-items: center; gap: var(--space-2); padding: var(--space-6) var(--space-4); text-align: center; }
    .search__empty-icon { display: grid; place-items: center; inline-size: 3rem; block-size: 3rem; margin-block-end: var(--space-2); border-radius: 50%; background: var(--surface); color: var(--muted); }
    .search__empty-icon .icon { inline-size: 1.4rem; block-size: 1.4rem; }
    .search__empty-title { color: var(--ink); font-size: var(--step-1); font-weight: 650; overflow-wrap: anywhere; }
    .search__empty p:not([class]) { max-inline-size: 36ch; color: var(--muted); }
    .search__empty a { display: inline-flex; align-items: center; gap: var(--space-1); color: var(--brand); font-weight: 600; text-decoration: none; }
    .search__empty a:hover { text-decoration: underline; }
    .search__empty a .icon { inline-size: 1rem; block-size: 1rem; }

    .search__foot { display: flex; align-items: center; gap: var(--space-4); padding: var(--space-2) var(--space-4); border-block-start: 1px solid var(--line); background: var(--surface); color: var(--muted); font-size: .8125rem; flex: none; }
    .search__keys { display: none; }
    .search__keys span { display: inline-flex; align-items: center; gap: var(--space-1); margin-inline-end: var(--space-4); }
    .search__all { display: inline-flex; align-items: center; gap: var(--space-1); margin-inline-start: auto; padding: var(--space-1) var(--space-3); border-radius: var(--radius-sm); color: var(--brand); font-weight: 650; text-decoration: none; }
    .search__all:hover { background: var(--brand-tint); }
    .search__all .icon { inline-size: 1rem; block-size: 1rem; }

    @media (width >= 40rem) and (hover: hover) {
        .search__keys { display: inline-flex; }
    }
    @media (width < 40rem) {
        .search { inline-size: 100%; max-inline-size: none; block-size: 100dvh; max-block-size: none; margin: 0; border: 0; border-radius: 0; }
        .search__close kbd { display: none; }
        .search__close span { display: inline; color: var(--brand); }
        .search__state > span:last-child, .search__enter { display: none; }
        .search__foot:has(.search__all[hidden]) { display: none; }
    }
    @media (prefers-reduced-motion: reduce) {
        .search, .search::backdrop { transition: none; }
    }

    .dialog__close .icon { inline-size: 1.25rem; block-size: 1.25rem; }
    .dialog__actions { display: grid; gap: var(--space-3); }
    .dialog__done { justify-items: center; padding-block: var(--space-6) var(--space-5); text-align: center; }
    .dialog__done h2 { font-size: var(--step-2); color: var(--ink); text-wrap: balance; }
    .dialog__done h2:focus { outline: none; }
    .dialog__done-sub { color: var(--muted); max-inline-size: 28ch; margin-block-start: calc(-1 * var(--space-2)); }
    .dialog__done-sub:empty { display: none; }

    .report-dialog__icon { display: grid; place-items: center; inline-size: 2.75rem; block-size: 2.75rem; flex: none; border-radius: var(--radius); background: var(--brand-tint); color: var(--brand); }
    .report-dialog__icon .icon { inline-size: 1.35rem; block-size: 1.35rem; }
    .report-dialog__live {
        display: flex;
        align-items: center;
        gap: var(--space-2);
        justify-self: start;
        padding: var(--space-1) var(--space-3);
        border-radius: var(--radius-pill);
        background: var(--surface);
        color: var(--ink-2);
        font-size: var(--step--1);
        font-weight: 550;
    }
    .live-dot { position: relative; inline-size: .5rem; block-size: .5rem; border-radius: 50%; background: var(--brand); }
    .report-dialog__code summary { display: inline-flex; color: var(--brand); font-size: var(--step--1); font-weight: 600; cursor: pointer; list-style: none; }
    .report-dialog__code summary::-webkit-details-marker { display: none; }
    .report-dialog__code summary::before { content: "+"; inline-size: 1em; font-weight: 700; }
    .report-dialog__code[open] summary::before { content: "−"; }
    .report-dialog__code .field { margin-block-start: var(--space-2); }
    .report-dialog .btn--primary { min-block-size: 3.25rem; font-size: var(--step-0); }
    .report-dialog__privacy { display: flex; align-items: center; justify-content: center; gap: var(--space-1); color: var(--muted); font-size: var(--step--1); }
    .report-dialog__privacy .icon { inline-size: 1rem; block-size: 1rem; }

    /* "Done" mark: a drawn check for a new report, a clock for "already reported" */
    .done-mark { display: grid; place-items: center; inline-size: 4rem; block-size: 4rem; border-radius: 50%; background: var(--ok-tint); color: var(--ok-fill); }
    .done-mark svg:not(.icon) { inline-size: 3.25rem; block-size: 3.25rem; fill: none; stroke: currentColor; stroke-width: 3.5; stroke-linecap: round; stroke-linejoin: round; }
    .done-mark circle { stroke-opacity: .25; }
    .done-mark .icon { display: none; inline-size: 2rem; block-size: 2rem; }
    .done-mark.is-already { background: var(--brand-tint); color: var(--brand); }
    .done-mark.is-already svg:not(.icon) { display: none; }
    .done-mark.is-already .icon { display: block; }
    .done-links { display: grid; gap: var(--space-2); inline-size: 100%; margin-block-start: var(--space-2); }
    .done-link {
        display: flex;
        align-items: center;
        gap: var(--space-3);
        padding: var(--space-3) var(--space-4);
        border-radius: var(--radius);
        background: var(--surface);
        color: var(--ink);
        font-weight: 600;
        text-align: start;
        text-decoration: none;
        transition: background var(--dur);
    }
    .done-link:hover { background: var(--surface-3); color: var(--ink); }
    .done-link span { flex: 1; }
    .done-link .icon { inline-size: 1.25rem; block-size: 1.25rem; flex: none; color: var(--brand); }
    .done-link .icon:last-child { color: var(--muted); transition: translate var(--dur) var(--ease); }
    .done-link:hover .icon:last-child { translate: 3px 0; }

    @media (width < 36rem) {
        /* Bottom sheet on phones, with a grab handle */
        .dialog { margin-block-end: 0; inline-size: 100%; max-inline-size: 100%; max-block-size: 92dvh; border-end-start-radius: 0; border-end-end-radius: 0; }
        .dialog::before { content: ""; display: block; inline-size: 2.5rem; block-size: 4px; margin: var(--space-2) auto 0; border-radius: var(--radius-pill); background: var(--line-strong); }
        .dialog__body { padding-block-end: max(var(--space-5), env(safe-area-inset-bottom)); }
        .choices { grid-template-columns: 1fr 1fr; }
    }

    @media (prefers-reduced-motion: no-preference) {
        /* Open and close transitions (@starting-style + allow-discrete; older browsers just show/hide) */
        .dialog, .dialog::backdrop {
            transition: opacity .2s ease, scale .28s var(--ease), translate .28s var(--ease), overlay .28s allow-discrete, display .28s allow-discrete;
        }
        .dialog { opacity: 0; scale: .96; translate: 0 10px; }
        .dialog[open] { opacity: 1; scale: 1; translate: 0 0; }
        .dialog::backdrop { opacity: 0; }
        .dialog[open]::backdrop { opacity: 1; }
        @starting-style {
            .dialog[open] { opacity: 0; scale: .96; translate: 0 10px; }
            .dialog[open]::backdrop { opacity: 0; }
        }
        @media (width < 36rem) {
            .dialog, .dialog[open] { scale: 1; }
            .dialog { translate: 0 100%; }
            .dialog[open] { translate: 0 0; }
            @starting-style { .dialog[open] { translate: 0 100%; } }
        }

        .dialog__body:not([hidden]) { animation: panel-in .3s var(--ease); }
        @keyframes panel-in { from { opacity: 0; translate: 0 6px; } }

        .live-dot::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background: inherit; animation: live-ping 1.6s ease-out infinite; }
        @keyframes live-ping { to { scale: 2.6; opacity: 0; } }

        .done-mark { animation: mark-pop .45s var(--ease); }
        .done-mark path { stroke-dasharray: 40; stroke-dashoffset: 40; animation: mark-draw .4s .15s var(--ease) forwards; }
        @keyframes mark-pop { from { scale: .6; opacity: 0; } }
        @keyframes mark-draw { to { stroke-dashoffset: 0; } }
    }

    .form-error { color: var(--bad); font-size: var(--step--1); font-weight: 600; }

    /* Ads: fixed-size slots (--ad-h = ad height), so filling one never shifts content */
    .ad {
        display: grid;
        gap: var(--space-1);
        justify-items: center;
        align-content: start;
        padding: var(--space-2);
        border-radius: var(--radius);
        background: var(--ad-bg);
        contain: layout;
    }
    /* No ad to show (AdSense marks the slot unfilled and collapses it), or the ad script is blocked:
       hide the whole frame instead of leaving an empty gray bar. */
    .ad:has(ins[data-ad-status="unfilled"]), .ad.is-empty { display: none; }
    .ad__label { font-size: .6875rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
    .ad ins { display: block; inline-size: 100%; block-size: var(--ad-h, 250px); }
    .ad--after_chart { --ad-h: 250px; }
    .ad--after_map, .ad--before_related { --ad-h: 100px; }
    .ad--rail_sticky { --ad-h: 600px; }
    .ad--in_comments { --ad-h: 250px; margin-block: var(--space-3); }
    @media (width >= 48rem) {
        .ad--after_chart { --ad-h: 100px; }
    }

    /* Sponsored promo (e.g. VPN) */
    .promo { display: grid; gap: var(--space-3); min-block-size: 0; justify-items: stretch; background: var(--surface); border: 1px solid var(--line); padding: var(--space-5); }
    .promo__head { display: flex; align-items: center; gap: var(--space-3); }
    .promo__head img { block-size: 2rem; inline-size: auto; }
    .promo ul { display: grid; gap: var(--space-1); font-size: var(--step--1); }
    .promo li::before { content: "✓ "; color: var(--brand); font-weight: 700; }
    .promo p { font-size: var(--step--1); }

    /* Screen-reader only */
    .sr-only {
        position: absolute !important;
        inline-size: 1px; block-size: 1px;
        padding: 0; margin: -1px;
        overflow: hidden; clip-path: inset(50%);
        white-space: nowrap; border: 0;
    }

    .dev-banner {
        margin-block-end: var(--space-3);
        padding: var(--space-2) var(--space-4);
        border-radius: var(--radius);
        border: 1px dashed var(--brand);
        background: var(--brand-tint);
        color: var(--brand-strong);
        font-size: var(--step--1);
        font-family: var(--font-mono);
    }
}