/* This file is part of Moodle - https://moodle.org/

Moodle is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Moodle is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Moodle.  If not, see <https://www.gnu.org/licenses/>. */
/**
 * @package     local_accessibility
 * @copyright   2023 Ponlawat Weerapanpisit <ponlawat_w@outlook.co.th>
 * @license     https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

/* ── Button container ─────────────────────────────────────────────────────── */

.local-accessibility-buttoncontainer {
    position: fixed;
    bottom: 5rem;
    right: 2rem;
    /* inline-flex + fit-content prevents the container from expanding to full
       block width and creating an invisible clickable area around the button */
    display: inline-flex;
    width: fit-content;
    height: fit-content;
    z-index: 1060;
}

body.dir-rtl .local-accessibility-buttoncontainer {
    right: unset;
    left: 2rem;
}

/* Adjust when the right drawer is open (Moodle default drawer width: 315px) */
#page.drawers.show-drawer-right .local-accessibility-buttoncontainer:not(.mode-tab) {
    right: calc(315px + 2rem);
}
body.dir-rtl #page.drawers.show-drawer-right .local-accessibility-buttoncontainer:not(.mode-tab) {
    right: unset;
    left: calc(315px + 2rem);
}

/* ── Floating button ──────────────────────────────────────────────────────── */

#local-accessibility-buttoncontainer button {
    font-size: 16px;
    width: 44px;
    height: 44px;
    line-height: 16px;
    padding: 0;
    text-align: center;
    border-radius: 50%;
    /* Minimum 44×44px touch target (WCAG 2.5.5) */
}

#local-accessibility-buttoncontainer button:focus-visible {
    outline: 3px solid #005fcc;
    outline-offset: 2px;
}

/* ── Tab mode ─────────────────────────────────────────────────────────────── */

.local-accessibility-buttoncontainer.mode-tab {
    bottom: unset;
    top: 50%;
    right: 0;
    left: unset;
    transform: translateY(-50%);
}

body.dir-rtl .local-accessibility-buttoncontainer.mode-tab {
    right: unset;
    left: 0;
}

.local-accessibility-buttoncontainer.mode-tab button {
    width: auto;
    height: auto;
    min-width: 44px;
    min-height: 44px;
    padding: 8px 10px;
    border-radius: 8px 0 0 8px;
}

body.dir-rtl .local-accessibility-buttoncontainer.mode-tab button {
    border-radius: 0 8px 8px 0;
}

.local-accessibility-buttoncontainer.mode-tab.side-left {
    left: 0;
    right: unset;
}

.local-accessibility-buttoncontainer.mode-tab.side-left button {
    border-radius: 0 8px 8px 0;
}

/* ── Panel ────────────────────────────────────────────────────────────────── */

.local-accessibility-panel {
    display: none;
    position: fixed;
    bottom: 8rem;
    right: 2rem;
    /* z-index above Bootstrap modals (1055) and drawers */
    z-index: 1060;
    box-shadow: 0 0 5px #000;
}

body.dir-rtl .local-accessibility-panel {
    right: unset;
    left: 2rem;
}

.local-accessibility-panel *:focus-visible {
    outline: 3px solid #005fcc;
    outline-offset: 2px;
}

.local-accessibility-panel > .card-body {
    min-height: 250px;
    max-height: calc(100vh - 250px);
    overflow-y: auto;
}

.local-accessibility-panel .card-header {
    border-radius: calc(0.5rem - 1px) calc(0.5rem - 1px) 0 0;
}

/* ── Range widget ─────────────────────────────────────────────────────────── */

.local-accessibility-range-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
}

.local-accessibility-range-btn {
    flex-shrink: 0;
    min-width: 44px;
    min-height: 44px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    line-height: 1;
    border-radius: 0.25rem;
}

.local-accessibility-range-slider {
    flex: 1 1 0;
    min-width: 0;
}

.local-accessibility-range-label {
    flex-shrink: 0;
    min-width: 2.5rem;
    text-align: center;
    font-size: 0.875rem;
}

/* ── Colour widget ────────────────────────────────────────────────────────── */

.local-accessibility-colour-input {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    padding: 2px;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    cursor: pointer;
}

/* ── Text alignment button labels ────────────────────────────────────────── */

.local-accessibility-btn-label {
    margin-left: 0.25rem;
}

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

@media (max-width: 575.98px) {
    .local-accessibility-panel {
        right: 0.5rem;
        left: 0.5rem;
        bottom: 4.5rem;
        width: auto !important;
        max-width: none !important;
    }

    body.dir-rtl .local-accessibility-panel {
        right: 0.5rem;
        left: 0.5rem;
    }

    .local-accessibility-panel > .card-body {
        min-height: 150px;
        max-height: calc(100vh - 180px);
    }

    .local-accessibility-btn-label {
        display: none;
    }
}

/* ── Hide in H5P embeds ───────────────────────────────────────────────────── */

.h5p-embed .local-accessibility-buttoncontainer {
    display: none;
}