/* ── Highlight Marks ──────────────────────────────────────── */

.text-hl {
    color: inherit;
    padding: 1px 2px;
    border-radius: 2px;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
    cursor: pointer;
    transition: filter 0.15s ease;
}

.text-hl:hover {
    filter: brightness(0.88);
}

/* Color variants via data attribute */
.text-hl[data-color="yellow"] { background-color: hsla(48, 96%, 53%, 0.35); }
.text-hl[data-color="green"]  { background-color: hsla(142, 71%, 45%, 0.3); }
.text-hl[data-color="blue"]   { background-color: hsla(217, 91%, 60%, 0.3); }
.text-hl[data-color="pink"]   { background-color: hsla(330, 81%, 60%, 0.3); }
.text-hl[data-color="orange"] { background-color: hsla(25, 95%, 53%, 0.35); }

/* ── Floating Toolbar ────────────────────────────────────── */

.thl-toolbar {
    position: fixed;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.5rem;
    background: var(--fb-bg-surface, #fff);
    border: 1px solid var(--fb-border, rgba(0, 0, 0, 0.1));
    border-radius: var(--fb-radius-lg, 0.5rem);
    box-shadow: var(--fb-shadow-lg, 0 10px 15px -3px rgba(0, 0, 0, 0.15));
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.15s ease, transform 0.15s ease;
    pointer-events: none;
}

.thl-toolbar--visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* ── Color Swatch Buttons ────────────────────────────────── */

.thl-toolbar__color {
    width: 1.375rem;
    height: 1.375rem;
    padding: 0;
    border: 2px solid transparent;
    border-radius: 50%;
    cursor: pointer;
    transition: border-color 0.15s ease, transform 0.15s ease;
    flex-shrink: 0;
}

.thl-toolbar__color:hover {
    transform: scale(1.2);
    border-color: var(--fb-text-muted, #6b7280);
}

.thl-toolbar__color[data-color="yellow"] { background-color: hsla(48, 96%, 53%, 0.6); }
.thl-toolbar__color[data-color="green"]  { background-color: hsla(142, 71%, 45%, 0.55); }
.thl-toolbar__color[data-color="blue"]   { background-color: hsla(217, 91%, 60%, 0.55); }
.thl-toolbar__color[data-color="pink"]   { background-color: hsla(330, 81%, 60%, 0.55); }
.thl-toolbar__color[data-color="orange"] { background-color: hsla(25, 95%, 53%, 0.6); }

/* ── Separator & Clear Button ────────────────────────────── */

.thl-toolbar__sep {
    width: 1px;
    height: 1rem;
    background: var(--fb-border, rgba(0, 0, 0, 0.1));
    margin: 0 0.125rem;
    flex-shrink: 0;
}

.thl-toolbar__clear {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.375rem;
    height: 1.375rem;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--fb-text-muted, #6b7280);
    border-radius: var(--fb-radius-sm, 0.25rem);
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
    flex-shrink: 0;
}

.thl-toolbar__clear:hover {
    background: var(--fb-hover, rgba(0, 0, 0, 0.05));
    color: var(--fb-text, inherit);
}

.thl-toolbar__clear svg {
    width: 14px;
    height: 14px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ── Remove Popup ────────────────────────────────────────── */

.thl-remove {
    position: fixed;
    z-index: 1001;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    background: var(--fb-bg-surface, #fff);
    border: 1px solid var(--fb-border, rgba(0, 0, 0, 0.1));
    border-radius: var(--fb-radius-md, 0.375rem);
    box-shadow: var(--fb-shadow-lg, 0 10px 15px -3px rgba(0, 0, 0, 0.15));
    font-size: 0.75rem;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.15s ease, transform 0.15s ease;
    pointer-events: none;
}

.thl-remove--visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.thl-remove__btn {
    padding: 0.2rem 0.5rem;
    border: none;
    background: transparent;
    color: var(--fb-text-muted, #6b7280);
    font-size: 0.75rem;
    cursor: pointer;
    border-radius: var(--fb-radius-sm, 0.25rem);
    transition: background-color 0.15s ease, color 0.15s ease;
    white-space: nowrap;
}

.thl-remove__btn:hover {
    background: var(--fb-hover, rgba(0, 0, 0, 0.05));
    color: var(--fb-text, inherit);
}

.thl-remove__btn--danger:hover {
    background: hsla(0, 72%, 51%, 0.1);
    color: hsl(0, 72%, 51%);
}

/* ── Mobile ──────────────────────────────────────────────── */

@media (max-width: 768px) {
    .thl-toolbar {
        gap: 0.375rem;
        padding: 0.5rem 0.625rem;
    }

    .thl-toolbar__color {
        width: 1.75rem;
        height: 1.75rem;
    }
}

/* ── Print ───────────────────────────────────────────────── */

@media print {
    .thl-toolbar,
    .thl-remove {
        display: none !important;
    }
}

/* ── Reduced Motion ──────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
    .thl-toolbar,
    .thl-remove,
    .text-hl {
        transition: none;
    }
}