/*--------------------------------------------------------------
# Reading Sticky Bar
--------------------------------------------------------------*/

.cs-reading-sticky {
    --reading-progress: 0;
    position: fixed;
    top: var(--header-height);
    left: var(--header-width);
    right: 0;
    z-index: 99998;
    display: flex;
    pointer-events: none;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.35s ease, opacity 0.35s ease;
}

@media (min-width: 768px) {
    body.logged-in .cs-reading-sticky {
        top: calc(var(--header-height) + var(--admin-bar-offset));
    }
}

.cs-reading-sticky.is-visible {
    transform: translateY(0);
    opacity: 1;
}

.cs-reading-sticky__shell {
    width: min(980px, 100%);
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: clamp(12px, 8.63px + 1.053vw, 16px);
    padding: 16px;
    background-color: var(--bg-primary);
    background:
        radial-gradient(120px 120px at 6% 20%, color-mix(in srgb, var(--brand) 18%, transparent), transparent 70%),
        linear-gradient(90deg, color-mix(in srgb, var(--bg-primary) 92%, var(--brand) 8%), var(--bg-primary));
    border-bottom: 1px solid var(--border);
    border-right: 1px solid var(--border);
    box-shadow: 0 16px 34px rgba(11, 21, 39, 0.12), 0 4px 12px rgba(11, 21, 39, 0.08);
    border-bottom-right-radius: 16px;
    position: relative;
    overflow: hidden;
    pointer-events: auto;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.cs-reading-sticky__meta {
    display: flex;
    flex-direction: column;
    gap: clamp(4px, 0.5vw, 8px);
    min-width: 0;
}

.cs-reading-sticky__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: clamp(6px, 4.32px + 0.526vw, 8px);
    min-width: 0;
}

.cs-reading-sticky__content {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}

.cs-reading-sticky__default {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: clamp(8px, 6.32px + 0.526vw, 10px);
    min-width: 0;
}

.cs-reading-sticky__thumb-wrap,
.cs-reading-sticky__review-logo-wrap,
#main.cs-vent-report .cs-reading-sticky__project-logo-wrap {
    width: clamp(30px, 24.95px + 1.579vw, 36px);
    height: clamp(30px, 24.95px + 1.579vw, 36px);
    border-radius: clamp(8px, 6.32px + 0.526vw, 10px);
    border: 1px solid var(--border);
    background: var(--bg-primary);
    box-shadow: var(--circle-shadow);
    overflow: hidden;
    display: grid;
    place-items: center;
    flex-shrink: 0;
}

.cs-reading-sticky__thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.cs-reading-sticky__review-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.cs-reading-sticky__review-logo-wrap--icon {
    padding: 6px;
}

.cs-reading-sticky__review-logo-wrap--icon i,
.cs-reading-sticky__review-logo-wrap--icon .cs-vertical-icon,
.cs-reading-sticky__review-logo-wrap--icon img,
.cs-reading-sticky__review-logo-wrap--icon svg {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 100%;
    object-fit: contain;
}

.cs-reading-sticky__review-logo-wrap--icon i {
    display: inline-grid;
    place-items: center;
    color: var(--brand);
    font-size: 18px;
}

.cs-reading-sticky__context,
.cs-reading-sticky__review-text,
#main.cs-vent-report .cs-reading-sticky__project-text {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--brand);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
}

.cs-reading-sticky__context i,
.cs-reading-sticky__review-text i,
#main.cs-vent-report .cs-reading-sticky__project-text i {
    font-size: 11px;
}

.cs-reading-sticky__label {
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--light-text);
    font-weight: 700;
}

#main.cs-vent-report .cs-reading-sticky__project-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: clamp(3px, 2.16px + 0.263vw, 4px);
    background: #fff;
}

.cs-reading-sticky__title {
    font-family: "Arimo", Helvetica, sans-serif;
    font-size: clamp(13px, 12.16px + 0.263vw, 14px);
    font-weight: 600;
    color: var(--dark-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cs-reading-sticky__alternative {
    min-width: 0;
}

.cs-reading-sticky__actions {
    display: inline-flex;
    align-items: center;
    gap: clamp(8px, 6.32px + 0.526vw, 10px);
}

.cs-reading-sticky__share {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: clamp(6px, 4.32px + 0.526vw, 8px) clamp(10px, 6.63px + 1.053vw, 14px);
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--brand) 28%, var(--border));
    background-color: color-mix(in srgb, var(--brand) 10%, var(--bg-primary));
    color: var(--dark-text);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.cs-reading-sticky__share i {
    color: var(--brand);
    font-size: 14px;
}

.cs-reading-sticky__share:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(31, 147, 255, 0.18);
    border-color: var(--brand);
    color: var(--brand);
}

.cs-reading-sticky__share:focus-visible,
.cs-reading-sticky__toc-toggle:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
}

.cs-reading-sticky__toc-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: clamp(32px, 28.63px + 1.053vw, 36px);
    height: clamp(32px, 28.63px + 1.053vw, 36px);
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--brand) 18%, var(--border));
    background-color: color-mix(in srgb, var(--brand) 8%, var(--bg-primary));
    color: var(--dark-text);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.cs-reading-sticky__toc-toggle i {
    color: var(--icon-color);
    font-size: 14px;
}

.cs-reading-sticky__toc-toggle:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(31, 147, 255, 0.16);
    border-color: var(--brand);
    color: var(--brand);
}

@media (max-width: 1400px) {
    .cs-reading-sticky__toc-toggle {
        display: inline-flex;
    }
}

.cs-reading-sticky__share.is-copied {
    color: var(--green);
    border-color: color-mix(in srgb, var(--green) 40%, var(--border));
    background-color: color-mix(in srgb, var(--green) 12%, var(--bg-primary));
}

.cs-reading-sticky__share.is-copied i {
    color: var(--green);
}

.cs-reading-sticky__progress {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    background-color: var(--border);
    background: color-mix(in srgb, var(--border) 70%, transparent);
    border-radius: 999px;
    overflow: hidden;
}

.cs-reading-sticky__progress span {
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--brand), #6ac7ff 60%, #b5ebff 100%);
    transform: scaleX(var(--reading-progress));
    transform-origin: 0 50%;
    transition: transform 0.15s linear;
    will-change: transform;
}

.cs-reading-sticky.is-alternative .cs-reading-sticky__default {
    display: none;
}

.cs-reading-sticky.is-alternative .cs-reading-sticky__actions,
.cs-reading-sticky.is-alternative .cs-reading-sticky__share,
.cs-reading-sticky.is-alternative .cs-reading-sticky__progress {
    display: none;
}

.cs-reading-sticky.is-alternative .cs-reading-sticky__shell {
    grid-template-columns: minmax(0, 1fr);
}

@media (max-width: 700px) {
    .cs-reading-sticky__default {
        gap: 8px;
    }

    .cs-reading-sticky__review-logo-wrap {
        width: 30px;
        height: 30px;
        border-radius: 8px;
    }

    .cs-reading-sticky__review-logo-wrap--icon {
        padding: 5px;
    }

    .cs-reading-sticky__review-logo-wrap--icon i {
        font-size: 15px;
    }

    .cs-reading-sticky__review-logo {
        padding: 3px;
        border-radius: 8px;
    }

    .cs-reading-sticky__shell {
        border-radius: 0;
        border-right: 0;
        padding: 6px 10px 8px;
        gap: 12px;
    }

    .cs-reading-sticky__eyebrow {
        gap: 6px;
    }

    .cs-reading-sticky__label,
    .cs-reading-sticky__share-text {
        display: none;
    }

    .cs-reading-sticky__title {
        font-size: 13px;
    }

    .cs-reading-sticky__share {
        padding: 6px 10px;
    }

    .cs-reading-sticky__actions {
        gap: 8px;
    }

    .cs-reading-sticky__toc-toggle {
        width: 32px;
        height: 32px;
    }

    .cs-reading-sticky__progress {
        left: 10px;
        right: 10px;
        bottom: 5px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .cs-reading-sticky,
    .cs-reading-sticky__share,
    .cs-reading-sticky__toc-toggle,
    .cs-reading-sticky__progress span {
        transition: none;
    }
}