/* StumbleUpon-style discovery: a compact navigation bar above the original site. */

html,
body.discover-frame-page {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body.discover-frame-page {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    min-height: 100dvh;
}

.discover-frame-page .discover-frame-header {
    display: grid;
    grid-template-columns: auto minmax(150px, 1fr) auto auto auto;
    align-items: center;
    gap: 10px;
    min-width: 0;
    margin: 0;
    padding: 10px 14px;
    text-align: left;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.18);
    z-index: 2;
}

.discover-frame-brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 700;
    white-space: nowrap;
}

.discover-frame-brand:visited,
.discover-frame-brand:hover {
    color: var(--color-text);
    opacity: 1;
}

.discover-frame-brand img,
html[data-theme="dark-twir"] .discover-frame-brand .logo {
    width: 26px;
    height: 26px;
    flex-shrink: 0;
}

.discover-frame-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 38px;
    padding: 7px 10px;
    color: var(--color-text-muted);
    background-color: transparent;
    border: 1px solid var(--color-border);
    border-radius: 5px;
    font-family: "Martian Mono", monospace;
    font-size: 0.76rem;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
}

.discover-frame-button:visited {
    color: var(--color-text-muted);
}

.discover-frame-button:hover,
.discover-frame-button:focus-visible {
    color: var(--color-primary);
    border-color: var(--color-primary);
    opacity: 1;
    outline: none;
}

.discover-frame-item {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    margin-left: 12px;
}

.discover-frame-context {
    display: flex;
    min-width: 0;
    flex: 1;
    flex-direction: column;
    line-height: 1.25;
}

.discover-frame-title,
.discover-frame-domain {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.discover-frame-title {
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 600;
}

.discover-frame-domain {
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

.discover-frame-like {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
    color: var(--color-text-muted);
}

.discover-frame-like button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 28px;
    padding: 0;
    color: inherit;
    background: transparent;
    border: 0;
    cursor: pointer;
}

.discover-frame-like button:hover,
.discover-frame-like button:focus-visible {
    color: var(--color-primary);
}

.discover-frame-like button:focus-visible {
    border-radius: 2px;
    outline: 2px solid currentColor;
    outline-offset: 2px;
}

.discover-frame-like button:disabled {
    cursor: default;
    opacity: 0.6;
}

.discover-frame-like button.is-selected {
    color: var(--color-error, #e05d5d);
    opacity: 1;
}

.discover-frame-like button.is-selected .discover-frame-heart-icon {
    fill: currentColor;
}

.discover-frame-heart-icon {
    width: 16px;
    height: 16px;
}

.discover-frame-like output {
    min-width: 12px;
    color: var(--color-text);
    font-family: "Martian Mono", monospace;
    font-size: 0.72rem;
    font-weight: 600;
    line-height: 1;
    text-align: left;
}

.discover-frame-types {
    display: flex;
    align-items: center;
    gap: 5px;
    min-width: 0;
}

.discover-frame-types label {
    position: relative;
    min-width: 0;
    cursor: pointer;
}

.discover-frame-types input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.discover-frame-types span {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 34px;
    padding: 6px 9px;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-family: "Martian Mono", monospace;
    font-size: 0.68rem;
    font-weight: 600;
    line-height: 1.15;
    text-align: center;
    white-space: nowrap;
}

.discover-frame-types span::before {
    content: "";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 12px;
    height: 12px;
    flex: 0 0 12px;
    box-sizing: border-box;
    border: 1px solid currentColor;
    border-radius: 2px;
    font-family: system-ui, sans-serif;
    font-size: 9px;
    font-weight: 800;
    line-height: 1;
}

.discover-frame-types input:checked + span::before {
    content: "✓";
    color: var(--color-primary);
    background-color: var(--color-background);
    border-color: var(--color-background);
}

.discover-frame-types input:checked + span {
    color: var(--color-background);
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.discover-frame-types label:hover span,
.discover-frame-types input:focus-visible + span {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.discover-frame-types input:checked:focus-visible + span,
.discover-frame-types label:hover input:checked + span {
    color: var(--color-background);
    filter: brightness(1.08);
}

.discover-frame-open {
    color: var(--color-primary);
}

.discover-frame-open-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.discover-frame-open:visited {
    color: var(--color-primary-muted);
}

.discover-frame-random {
    color: var(--color-background);
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.discover-frame-random-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.discover-frame-random:visited,
.discover-frame-random:hover,
.discover-frame-random:focus-visible {
    color: var(--color-background);
}

.discover-frame-shell {
    position: relative;
    min-width: 0;
    min-height: 0;
    background-color: #fff;
}

.discover-frame-shell iframe {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
    background-color: #fff;
}

html[data-theme="light-hacker-news"] .discover-frame-page .discover-frame-header {
    margin: 0;
    padding: 8px 10px;
    background-color: #ff6600;
    border-bottom-color: #ff6600;
}

html[data-theme="light-hacker-news"] .discover-frame-brand,
html[data-theme="light-hacker-news"] .discover-frame-brand:visited,
html[data-theme="light-hacker-news"] .discover-frame-title {
    color: #000;
}

html[data-theme="light-hacker-news"] .discover-frame-button {
    color: #000;
    border-color: #000;
    border-radius: 0;
}

html[data-theme="light-hacker-news"] .discover-frame-types span {
    color: #000;
    border-color: #000;
    border-radius: 0;
}

html[data-theme="light-hacker-news"] .discover-frame-like {
    color: #000;
}

html[data-theme="light-hacker-news"] .discover-frame-like output {
    color: #000;
}

html[data-theme="light-hacker-news"] .discover-frame-types input:checked + span,
html[data-theme="light-hacker-news"] .discover-frame-random {
    color: #fff;
    background-color: #000;
    border-color: #000;
}

html[data-theme="light-hacker-news"] .discover-frame-types input:checked + span::before {
    color: #000;
    background-color: #fff;
    border-color: #fff;
}

@media (max-width: 780px) {
    .discover-frame-page .discover-frame-header {
        grid-template-columns: auto minmax(0, 1fr) auto auto;
        gap: 7px;
        padding: 8px 10px;
    }

    .discover-frame-brand span,
    .discover-frame-open-label,
    .discover-frame-domain {
        display: none;
    }

    .discover-frame-brand {
        grid-column: 1;
        grid-row: 1;
        gap: 0;
    }

    .discover-frame-item {
        grid-column: 2;
        grid-row: 1;
    }

    .discover-frame-open {
        grid-column: 3;
        grid-row: 1;
    }

    .discover-frame-random {
        grid-column: 4;
        grid-row: 1;
    }

    .discover-frame-brand img,
    html[data-theme="dark-twir"] .discover-frame-brand .logo {
        width: 24px;
        height: 24px;
    }

    .discover-frame-button {
        min-width: 36px;
        min-height: 36px;
        padding: 6px 8px;
    }

    .discover-frame-item {
        gap: 5px;
        margin-left: 0;
    }

    .discover-frame-heart-icon {
        width: 15px;
        height: 15px;
    }

    .discover-frame-like {
        gap: 3px;
    }

    .discover-frame-like button {
        width: 20px;
    }

    .discover-frame-like output {
        font-size: 0.66rem;
    }

    .discover-frame-title {
        font-size: 0.82rem;
    }

    .discover-frame-types {
        display: grid;
        grid-column: 1 / -1;
        grid-row: 2;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        width: 100%;
    }

    .discover-frame-types span {
        gap: 4px;
        min-height: 32px;
        padding: 5px 3px;
        font-size: 0.62rem;
        white-space: normal;
    }

    .discover-frame-types span::before {
        width: 11px;
        height: 11px;
        flex-basis: 11px;
        font-size: 8px;
    }
}