/**
 * Copyright (c) 2026, WSO2 LLC. (https://www.wso2.com).
 *
 * WSO2 LLC. licenses this file to you under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

/* ═══════════════════════════════════════════════════════════════════
   ARTICLE CONTENT — ADMONITIONS (note, info, tip, warning…)
   ═══════════════════════════════════════════════════════════════════ */

.tutorial-page article .admonition {
    border: none;
    border-left: 3px solid;
    border-radius: 0 6px 6px 0;
    padding: 0.75rem 1rem;
    margin: 1.25rem 0;
    box-shadow: none;
    font-size: 0.88rem;
}

.tutorial-page article .admonition-title {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    margin-bottom: 0.3rem;
    padding: 0;
    background: none !important;
}

.tutorial-page article .admonition-title::before {
    display: none !important;
}

/* Note */
.tutorial-page article .admonition.note {
    background: color-mix(in srgb, #888 6%, transparent);
    border-left-color: #999;
}
.tutorial-page article .admonition.note > .admonition-title {
    color: #777;
}

/* Info */
.tutorial-page article .admonition.info,
.tutorial-page article .admonition.abstract,
.tutorial-page article .admonition.summary {
    background: color-mix(in srgb, #4a90d9 6%, transparent);
    border-left-color: #4a90d9;
}
.tutorial-page article .admonition.info > .admonition-title,
.tutorial-page article .admonition.abstract > .admonition-title {
    color: #4a90d9;
}

/* Tip */
.tutorial-page article .admonition.tip,
.tutorial-page article .admonition.hint {
    background: color-mix(in srgb, #2eaa6e 6%, transparent);
    border-left-color: #2eaa6e;
}
.tutorial-page article .admonition.tip > .admonition-title,
.tutorial-page article .admonition.hint > .admonition-title {
    color: #2eaa6e;
}

/* Warning */
.tutorial-page article .admonition.warning,
.tutorial-page article .admonition.caution,
.tutorial-page article .admonition.attention {
    background: color-mix(in srgb, #e8a027 6%, transparent);
    border-left-color: #e8a027;
}
.tutorial-page article .admonition.warning > .admonition-title,
.tutorial-page article .admonition.caution > .admonition-title {
    color: #e8a027;
}

/* Danger */
.tutorial-page article .admonition.danger,
.tutorial-page article .admonition.error {
    background: color-mix(in srgb, #e05454 6%, transparent);
    border-left-color: #e05454;
}
.tutorial-page article .admonition.danger > .admonition-title,
.tutorial-page article .admonition.error > .admonition-title {
    color: #e05454;
}

/* Failure */
.tutorial-page article .admonition.failure,
.tutorial-page article .admonition.fail,
.tutorial-page article .admonition.missing {
    background: color-mix(in srgb, #cf4f4f 6%, transparent);
    border-left-color: #cf4f4f;
}
.tutorial-page article .admonition.failure > .admonition-title,
.tutorial-page article .admonition.fail > .admonition-title {
    color: #cf4f4f;
}

/* Success */
.tutorial-page article .admonition.success,
.tutorial-page article .admonition.check,
.tutorial-page article .admonition.done {
    background: color-mix(in srgb, #2eaa6e 7%, transparent);
    border-left-color: #2eaa6e;
}
.tutorial-page article .admonition.success > .admonition-title,
.tutorial-page article .admonition.check > .admonition-title {
    color: #2eaa6e;
}

/* Question */
.tutorial-page article .admonition.question,
.tutorial-page article .admonition.help,
.tutorial-page article .admonition.faq {
    background: color-mix(in srgb, #7c6fcd 6%, transparent);
    border-left-color: #7c6fcd;
}
.tutorial-page article .admonition.question > .admonition-title,
.tutorial-page article .admonition.help > .admonition-title {
    color: #7c6fcd;
}

/* Example */
.tutorial-page article .admonition.example {
    background: color-mix(in srgb, #7c6fcd 5%, transparent);
    border-left-color: #9c8fe0;
}
.tutorial-page article .admonition.example > .admonition-title {
    color: #9c8fe0;
}

/* Quote */
.tutorial-page article .admonition.quote,
.tutorial-page article .admonition.cite {
    background: color-mix(in srgb, #888 5%, transparent);
    border-left-color: #aaa;
    font-style: italic;
}
.tutorial-page article .admonition.quote > .admonition-title,
.tutorial-page article .admonition.cite > .admonition-title {
    color: #888;
    font-style: normal;
}

/* ═══════════════════════════════════════════════════════════════════
   ARTICLE CONTENT — NUMBERED LIST
   ═══════════════════════════════════════════════════════════════════ */

.tutorial-page article ol {
    list-style: none;
    counter-reset: tutorial-counter;
    padding-left: 0;
}

.tutorial-page article ol li {
    counter-increment: tutorial-counter;
    position: relative;
    padding-left: 2rem;
    margin-bottom: 0.6rem;
    line-height: 1.75;
}

.tutorial-page article ol li::before {
    content: counter(tutorial-counter) ".";
    position: absolute;
    left: 0;
    top: 0;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--md-default-fg-color);
}

.tutorial-page article ol li::marker {
    content: none;
}

/* ═══════════════════════════════════════════════════════════════════
   ARTICLE CONTENT — BULLET POINTS
   ═══════════════════════════════════════════════════════════════════ */

.tutorial-page article ul:not([class]) li,
.tutorial-page article .md-typeset ul:not([class]) li {
    list-style: none;
    position: relative;
    padding-left: 1.1rem;
    margin-bottom: 0.5rem;
    line-height: 1.75;
}

.tutorial-page article ul:not([class]) li::marker {
    content: none;
}

.tutorial-page article ul:not([class]) li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--md-default-fg-color);
}

/* ═══════════════════════════════════════════════════════════════════
   ARTICLE CONTENT — H2 HEADINGS
   ═══════════════════════════════════════════════════════════════════ */

.tutorial-page article h2 {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--md-default-fg-color);
    margin-top: 2.75rem;
    margin-bottom: 0.65rem;
    padding: 0;
    border: none;
}

/* ═══════════════════════════════════════════════════════════════════
   ARTICLE CONTENT — CODE BLOCKS
   ═══════════════════════════════════════════════════════════════════ */

/* Dark card applied to .highlight so it wraps both title bar and code */
.tutorial-page article .highlight {
    position: relative;
    background: #0f1117;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    margin: 0.85rem 0;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
}

.tutorial-page article pre {
    background: transparent !important;
    border: none !important;
    border-radius: 0 !important;
    margin: 0 !important;
    padding: 0;
    overflow: hidden;
    box-shadow: none !important;
}

/* Language label in top-right corner (only when no title) */
.tutorial-page article .highlight:not(:has(.filename))::before {
    content: attr(data-lang);
    position: absolute;
    top: 0.65rem;
    right: 0.9rem;
    font-size: 0.65rem;
    font-family: 'Courier New', Courier, monospace;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.25);
    pointer-events: none;
    z-index: 1;
}

/* Title bar for titled code blocks (```lang title="...") */
.tutorial-page article .highlight .filename {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.75rem 0.4rem 1rem;
    font-size: 0.72rem;
    font-family: 'Courier New', Courier, monospace;
    color: rgba(255, 255, 255, 0.45);
    background: rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 10px 10px 0 0;
}


/* Filename text — inherit title bar style, no inline-code decoration */
.tutorial-page article .highlight .filename code {
    font-size: inherit;
    font-family: inherit;
    color: inherit;
    background: none !important;
    border: none !important;
    border-radius: 0;
    padding: 0;
}

/* Code block placeholders e.g. PH-STARTyour-valuePH-END */
.tutorial-placeholder {
    background: rgba(255, 200, 50, 0.12);
    color: #f0c040 !important;
    border: 1px dashed rgba(240, 192, 64, 0.4);
    border-radius: 3px;
    padding: 0 0.25em;
    font-style: italic;
    cursor: help;
}

/* Dot indicator before filename */
.tutorial-page article .highlight .filename::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
}

/* Highlighted lines (hl_lines) */
.tutorial-page article .highlight .hll {
    display: block;
    background: rgba(99, 179, 237, 0.1) !important;
    border-left: 3px solid #63b3ed;
    margin: 0 -1.4rem;
    padding: 0 1.4rem;
}

.tutorial-page article pre code {
    display: block;
    padding: 0.55rem 1rem !important;
    font-size: 0.8rem;
    font-family: 'Courier New', Courier, monospace;
    line-height: 1.6;
    color: #e2e8f0;
    background: transparent !important;
    overflow-x: auto;
}

/* ═══════════════════════════════════════════════════════════════════
   ARTICLE CONTENT — TABBED CODE BLOCKS
   ═══════════════════════════════════════════════════════════════════ */

/* Wrap the whole tabbed set in the dark card */
.tutorial-page article .tabbed-set {
    background: #0f1117;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
    margin: 1.5rem 0;
    overflow: hidden;
}

/* Tab labels row */
.tutorial-page article .tabbed-set .tabbed-labels {
    display: flex;
    gap: 0;
    padding: 0 0.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: transparent;
}

.tutorial-page article .tabbed-set .tabbed-labels label {
    font-size: 0.8rem;
    font-family: 'Courier New', Courier, monospace;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.4);
    padding: 0.65rem 1rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.tutorial-page article .tabbed-set .tabbed-labels label:hover {
    color: rgba(255, 255, 255, 0.7);
}

/* Active tab */
.tutorial-page article .tabbed-set input:checked + label {
    color: var(--md-primary-fg-color) !important;
    border-bottom-color: var(--md-primary-fg-color) !important;
}

/* Tab content area */
.tutorial-page article .tabbed-set .tabbed-content {
    background: transparent;
}

.tutorial-page article .tabbed-set .tabbed-content pre {
    background: transparent !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    margin: 0 !important;
}

.tutorial-page article .tabbed-set .tabbed-content pre code {
    color: #e2e8f0;
}

/* ═══════════════════════════════════════════════════════════════════
   ARTICLE CONTENT — CTA BUTTON
   ═══════════════════════════════════════════════════════════════════ */

a.tutorial-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 1rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--md-primary-fg-color) !important;
    background: color-mix(in srgb, var(--md-primary-fg-color) 8%, transparent);
    border: 1px solid color-mix(in srgb, var(--md-primary-fg-color) 35%, transparent);
    border-radius: 6px;
    text-decoration: none !important;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
    margin: 0.75rem 0;
}

a.tutorial-btn::after {
    content: none !important;
}

a.tutorial-btn:hover {
    background: color-mix(in srgb, var(--md-primary-fg-color) 15%, transparent);
    border-color: var(--md-primary-fg-color);
}

a.tutorial-btn:active {
    transform: scale(0.97);
}

/* ═══════════════════════════════════════════════════════════════════
   ARTICLE CONTENT — EXTERNAL LINKS
   ═══════════════════════════════════════════════════════════════════ */

.tutorial-page article a[href^="http"]::after {
    content: '';
    display: inline-block;
    width: 15px;
    height: 15px;
    margin-left: 4px;
    vertical-align: middle;
    opacity: 0.6;
    background-color: currentColor;
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M14 3v2H5v14h14v-9h2v9a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h9zm5 0h-4V1h6v6h-2V3.414l-7.293 7.293-1.414-1.414L19 3z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M14 3v2H5v14h14v-9h2v9a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h9zm5 0h-4V1h6v6h-2V3.414l-7.293 7.293-1.414-1.414L19 3z'/%3E%3C/svg%3E");
    -webkit-mask-size: contain;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    transition: background-color 0.15s ease, opacity 0.15s ease;
}

.tutorial-page article a[href^="http"]:active::after {
    background-color: var(--md-primary-fg-color);
    opacity: 1;
}

/* ═══════════════════════════════════════════════════════════════════
   ARTICLE CONTENT — INLINE CODE
   ═══════════════════════════════════════════════════════════════════ */

.tutorial-page article :not(pre):not(.filename) > code {
    font-size: 1.05em;
    font-family: 'Courier New', Courier, monospace;
    background: rgba(0, 0, 0, 0.02) !important;
    color: var(--md-default-fg-color);
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: 5px;
    padding: 0.25em 0.45em;
    white-space: nowrap;
}

/* ═══════════════════════════════════════════════════════════════════
   READING PROGRESS BAR
   ═══════════════════════════════════════════════════════════════════ */

.tutorial-reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    width: 0%;
    height: 3px;
    background: linear-gradient(
        90deg,
        var(--md-primary-fg-color) 0%,
        var(--md-primary-fg-shade-color, var(--md-accent-fg-color)) 100%
    );
    transition: width 0.1s linear;
    border-radius: 0 2px 2px 0;
}

/* ═══════════════════════════════════════════════════════════════════
   TUTORIAL HERO  (injected after H1)
   ═══════════════════════════════════════════════════════════════════ */

.tutorial-hero {
    margin: 0.5rem 0 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--md-divider-color, #d8dde8);
}

/* Tags + difficulty row */
.tutorial-tags-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.75rem;
}

.tutorial-tag {
    display: inline-block;
    padding: 0.2em 0.75em;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--md-primary-fg-color);
    background: rgba(var(--md-primary-fg-color-rgb, 255 115 0) / 0.09);
    border: 1px solid rgba(var(--md-primary-fg-color-rgb, 255 115 0) / 0.25);
    border-radius: 100px;
    line-height: 1.6;
}

.tutorial-difficulty {
    display: inline-block;
    padding: 0.2em 0.75em;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-radius: 100px;
    line-height: 1.6;
}

.tutorial-difficulty--beginner {
    color: #349256;
    background: rgba(52, 146, 86, 0.1);
    border: 1px solid rgba(52, 146, 86, 0.3);
}

.tutorial-difficulty--intermediate {
    color: #b5660a;
    background: rgba(247, 147, 30, 0.1);
    border: 1px solid rgba(247, 147, 30, 0.3);
}

.tutorial-difficulty--advanced {
    color: #c0392b;
    background: rgba(192, 57, 43, 0.1);
    border: 1px solid rgba(192, 57, 43, 0.3);
}

[data-md-color-scheme="slate"] .tutorial-difficulty--intermediate {
    color: #f7931e;
}

/* Description */
.tutorial-hero-description {
    font-size: 1.05rem;
    color: var(--md-default-fg-color--light);
    line-height: 1.65;
    margin: 0 0 0.85rem;
}

/* Single meta row — avatar · Name | Title | date · reading time */
.tutorial-meta-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.6rem;
    margin-top: 0.5rem;
}

.tutorial-meta-item {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.8rem;
    color: var(--md-default-fg-color);
}

.tutorial-meta-item svg {
    flex-shrink: 0;
    color: var(--md-primary-fg-color);
}

/* Initials avatar circle */
.tutorial-author-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--md-primary-fg-color);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    flex-shrink: 0;
    margin-right: 0.15rem;
}

/* Pipe separators */
.tutorial-meta-pipe {
    color: var(--md-default-fg-color--lighter, #bbb);
    font-size: 0.85rem;
    margin: 0 0.1rem;
    user-select: none;
}

.tutorial-meta-pipe--group {
    margin: 0 0.35rem;
}

.tutorial-meta-title {
    color: var(--md-default-fg-color--light);
}

/* ═══════════════════════════════════════════════════════════════════
   SUMMARY BOX  (What you'll learn + Technology Used + Source Code)
   ═══════════════════════════════════════════════════════════════════ */

.tutorial-summary-box {
    margin: 2rem 0 2.5rem;
    padding: 1.5rem 1.75rem;
    border: 1px solid var(--md-divider-color, #d8dde8);
    border-radius: var(--md-border-radius-2x, 12px);
    background: var(--md-default-bg-color);
    position: relative;
    overflow: hidden;
}

.tutorial-summary-box::before {
    content: none;
}


.tutorial-summary-heading {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--md-default-fg-color--light);
    margin: 0 0 0.75rem !important;
}

.tutorial-summary-heading svg {
    color: var(--md-primary-fg-color);
    flex-shrink: 0;
}

/* 3:2 grid — What You Will Learn gets more space than Technology Used */
.tutorial-summary-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 1.5rem 2.5rem;
    margin-bottom: 1.25rem;
}

@media (max-width: 600px) {
    .tutorial-summary-grid {
        grid-template-columns: 1fr;
    }
}

/* Technology Used list */
.tutorial-tech-list,
.md-typeset .tutorial-tech-list {
    list-style: none !important;
    margin: 0 !important;
    padding: 0;
}

.tutorial-tech-item,
.md-typeset .tutorial-tech-item {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 0.55rem;
    font-size: 0.8rem;
    color: var(--md-default-fg-color);
    list-style: none !important;
}

.tutorial-tech-item::marker { content: none; }
.tutorial-tech-item::before { content: none !important; }

/* Local SVG icon loaded via <img> */
.tutorial-tech-svg-icon {
    flex-shrink: 0;
    width: 18px !important;
    height: 18px !important;
    min-width: 18px !important;
    max-width: 18px !important;
    max-height: 18px !important;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.75;
    display: inline-block !important;
    margin: 0 !important;
}

/* Initial-letter fallback badge */
.tutorial-tech-initial {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 700;
    background: var(--md-default-fg-color--lighter, #ccc);
    color: var(--md-default-bg-color);
}

/* Tick list — suppress Material theme's own bullet completely */
.tutorial-tick-list,
.md-typeset .tutorial-tick-list {
    list-style: none !important;
    margin: 0 !important;
    padding: 0;
}

.tutorial-tick-list > li,
.md-typeset .tutorial-tick-list > li {
    position: relative;
    padding-left: 1.4rem;
    margin-bottom: 0.4rem;
    font-size: 0.8rem;
    color: var(--md-default-fg-color);
    list-style: none !important;
}

/* Remove any marker the theme injects */
.tutorial-tick-list > li::marker {
    content: none;
}

/* Custom icon — filled dot */
.tutorial-tick-list > li::before {
    content: '';
    position: absolute;
    left: 0.1rem;
    top: 0.5em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--md-default-fg-color);
}

/* Source code link row */
.tutorial-source-code {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.88rem;
    padding-top: 1rem;
    border-top: 1px solid var(--md-divider-color, #d8dde8);
    color: var(--md-default-fg-color--light);
}

.tutorial-source-code svg {
    flex-shrink: 0;
    color: var(--md-default-fg-color--light);
}

.tutorial-source-code a {
    color: var(--md-primary-fg-color);
    text-decoration: none;
    font-weight: 600;
}

.tutorial-source-code a:hover {
    text-decoration: underline;
}

/* ═══════════════════════════════════════════════════════════════════
   STEPS SECTION
   ═══════════════════════════════════════════════════════════════════ */

.tutorial-steps-section {
    margin: 2.5rem 0 3rem;
    position: relative;
}

/* Individual step */
.tutorial-step {
    position: relative;
    padding: 0 0 2rem 3.25rem;
    border-left: 2px solid var(--md-divider-color, #d8dde8);
    margin-left: 1rem;
    transition: border-color 0.2s ease;
}

.tutorial-step:last-child {
    border-left-color: transparent;
    padding-bottom: 0.5rem;
}

.tutorial-step > h2 {
    position: relative;
    margin-top: 0 !important;
    line-height: 1.25;
    font-size: 1.15rem;
    font-weight: 700;
    padding-top: 0.1rem;
}

/* Step number bubble */
.tutorial-step-number {
    position: absolute;
    left: -3.6rem;
    top: 0;
    width: 2rem;
    height: 2rem;
    line-height: 2rem;
    border-radius: 50%;
    text-align: center;
    font-size: 0.8rem;
    font-weight: 700;
    background: var(--md-primary-fg-color);
    color: #fff;
    box-shadow: 0 0 0 4px var(--md-default-bg-color);
    z-index: 1;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.tutorial-step:hover .tutorial-step-number {
    transform: scale(1.1);
    box-shadow: 0 0 0 4px var(--md-default-bg-color),
                0 0 0 6px rgba(var(--md-primary-fg-color-rgb, 255 115 0) / 0.2);
}

/* Completed step styling (applied via JS when scrolled past) */
.tutorial-step.is-passed {
    border-left-color: var(--md-primary-fg-color);
}

.tutorial-step.is-passed .tutorial-step-number {
    background: var(--md-default-fg-color--lighter, #bbb);
}

/* ═══════════════════════════════════════════════════════════════════
   WHAT'S NEXT — CARD GRID
   ═══════════════════════════════════════════════════════════════════ */

.tutorial-whats-next {
    margin: 3.5rem 0 1rem;
}

.tutorial-whats-next-heading {
    font-size: 1rem !important;
    font-weight: 600 !important;
    margin-bottom: 1.25rem !important;
    border: none !important;
    padding: 0 !important;
}

.tutorial-next-grid {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Card — landscape */
a.tutorial-next-card {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    height: 160px;
    border: 1px solid var(--md-divider-color, #e5e5e5);
    border-radius: 8px;
    overflow: hidden;
    text-decoration: none !important;
    color: var(--md-default-fg-color) !important;
    transition: box-shadow 0.18s ease, border-color 0.18s ease, transform 0.15s ease;
}

a.tutorial-next-card::after { content: none !important; }

a.tutorial-next-card:hover {
    border-color: var(--md-primary-fg-color);
    box-shadow: 0 4px 20px rgba(0,0,0,0.07);
    transform: translateX(3px);
}

/* Thumbnail — left side fixed width */
.tutorial-next-card-thumb {
    flex-shrink: 0;
    width: 260px;
    min-width: 260px;
    max-width: 260px;
    height: 160px;
    overflow: hidden;
    background: var(--md-code-bg-color);
}

.tutorial-next-card-thumb--empty {
    background: linear-gradient(135deg, var(--md-code-bg-color) 0%, color-mix(in srgb, var(--md-primary-fg-color) 8%, var(--md-default-bg-color)) 100%);
}

.tutorial-next-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

/* Body — right side */
.tutorial-next-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 0.6rem 0.9rem;
    gap: 0.2rem;
}

.tutorial-next-card-tag {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--md-primary-fg-color);
}

.tutorial-next-card-title {
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--md-default-fg-color);
}

.tutorial-next-card-desc {
    font-size: 0.78rem;
    line-height: 1.55;
    color: var(--md-default-fg-color--light);
    flex: 1;
}

.tutorial-next-card-footer {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.25rem;
    font-size: 0.7rem;
    color: var(--md-default-fg-color--light);
}

.tutorial-next-card-footer span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

@media (max-width: 768px) {
    .tutorial-next-grid {
        grid-template-columns: 1fr;
    }
}

/* ═══════════════════════════════════════════════════════════════════
   RIGHT SIDEBAR TOC — step numbers + progress line
   ═══════════════════════════════════════════════════════════════════ */

.md-nav--secondary .md-nav__list {
    margin-top: 0.5rem;
}

.md-sidebar--secondary [data-md-component='toc'] .md-nav__link {
    position: relative;
    overflow: visible;
    padding: 0.15rem 0.6rem 0.5rem 1.4rem;
    margin: 0;
    font-size: 0.72rem;
}

/* Vertical connector line */
.md-sidebar--secondary [data-md-component='toc'] .md-nav__link::before {
    content: '';
    position: absolute;
    top: 1rem;
    left: 0.3rem;
    width: 0;
    height: calc(100% - 4px);
    border-left: 1.5px solid var(--md-divider-color, #d8dde8);
    transition: border-color 0.2s ease;
}

.md-sidebar--secondary [data-md-component='toc'] .md-nav__item:last-child > .md-nav__link::before {
    border-left: none !important;
}

/* TOC step number dot */
.tutorial-toc-step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0.3rem;
    left: 0;
    width: 0.65rem;
    height: 0.65rem;
    font-size: 0.38rem;
    font-weight: 700;
    border-radius: 50%;
    background: var(--md-default-fg-color--lighter, #bbb);
    color: var(--md-default-bg-color);
    transition: background 0.2s ease, transform 0.2s ease;
}

/* Active TOC item */
.md-sidebar--secondary [data-md-component='toc'] .md-nav__link.md-nav__link--active .tutorial-toc-step-number {
    background: var(--md-primary-fg-color);
    transform: scale(1.35);
}

.md-sidebar--secondary [data-md-component='toc'] .md-nav__link.md-nav__link--active::before {
    border-left-color: var(--md-primary-fg-color);
}

/* Passed TOC items */
.md-sidebar--secondary [data-md-component='toc'] .md-nav__link.md-nav__link--passed::before {
    border-left-color: var(--md-primary-fg-color);
    opacity: 0.5;
}

.md-sidebar--secondary [data-md-component='toc'] .md-nav__link.md-nav__link--passed .tutorial-toc-step-number {
    background: var(--md-primary-fg-color);
    opacity: 0.5;
}

/* ═══════════════════════════════════════════════════════════════════
   MODE / SELECTION BUTTONS  (same pattern as quick-start)
   ═══════════════════════════════════════════════════════════════════ */

.mode-selection-container {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.mode-selection-container .mode-selection-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    border: 2px solid var(--md-default-fg-color--light);
    color: var(--md-default-fg-color--light);
    border-radius: var(--md-border-radius, 8px);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    flex: 1;
    min-width: 180px;
}

.mode-selection-container .mode-selection-btn:hover {
    border-color: var(--md-primary-fg-color);
    background: rgba(var(--md-primary-fg-color-rgb, 255 115 0) / 0.05);
    color: var(--md-default-fg-color);
}

.mode-selection-container .mode-selection-btn.active {
    border-color: var(--md-primary-fg-color);
    background: rgba(var(--md-primary-fg-color-rgb, 255 115 0) / 0.1);
    color: var(--md-primary-fg-color);
}

.mode-selection-container .mode-selection-btn .mode-radio {
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
    accent-color: var(--md-primary-fg-color);
}

/* ═══════════════════════════════════════════════════════════════════
   DARK MODE OVERRIDES
   ═══════════════════════════════════════════════════════════════════ */

[data-md-color-scheme="slate"] .tutorial-summary-box {
    background: var(--md-default-bg-color);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-md-color-scheme="slate"] .tutorial-source-code {
    border-top-color: rgba(255, 255, 255, 0.1);
}

[data-md-color-scheme="slate"] .tutorial-hero {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}


[data-md-color-scheme="slate"] .tutorial-step {
    border-left-color: rgba(255, 255, 255, 0.12);
}

[data-md-color-scheme="slate"] .tutorial-step-number {
    box-shadow: 0 0 0 4px var(--md-default-bg-color, #1e2129);
}

[data-md-color-scheme="slate"] .mode-selection-container .mode-selection-btn {
    color: var(--md-default-fg-color);
    border-color: rgba(255, 255, 255, 0.15);
}

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
    .tutorial-summary-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .tutorial-meta-row {
        gap: 0.75rem;
    }

    .tutorial-step {
        padding-left: 2.5rem;
        margin-left: 0.5rem;
    }

    .tutorial-step-number {
        left: -2.85rem;
        width: 1.6rem;
        height: 1.6rem;
        line-height: 1.6rem;
        font-size: 0.72rem;
    }

    .mode-selection-container {
        flex-direction: column;
    }

    .mode-selection-container .mode-selection-btn {
        min-width: unset;
    }
}

/* ═══════════════════════════════════════════════════════════════════
   YOUTUBE EMBEDS — responsive 16:9, modern aesthetic
   ═══════════════════════════════════════════════════════════════════ */

.tutorial-page article .tutorial-video-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 */
    margin: 2rem auto;
    border-radius: 12px;
    overflow: hidden;
    background: #0f1117;
    box-shadow:
        0 2px 8px rgba(0,0,0,0.08),
        0 12px 40px rgba(0,0,0,0.12);
}

.tutorial-page article .tutorial-video-wrapper iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
}

[data-md-color-scheme="slate"] .tutorial-page article .tutorial-video-wrapper {
    box-shadow:
        0 2px 8px rgba(0,0,0,0.35),
        0 12px 40px rgba(0,0,0,0.45);
}

/* ═══════════════════════════════════════════════════════════════════
   BREADCRUMB — minimalist top nav
   ═══════════════════════════════════════════════════════════════════ */

.tutorial-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.15rem;
    margin-bottom: 1.75rem;
    padding: 0;
    list-style: none;
}

.tutorial-breadcrumb-item {
    display: inline-flex;
    align-items: center;
    gap: 0.28rem;
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.01em;
    color: var(--md-default-fg-color--light);
    text-decoration: none !important;
    padding: 0;
    transition: color 0.15s ease;
}

.tutorial-breadcrumb-item::after {
    display: none !important;
}

.tutorial-breadcrumb-item svg {
    width: 11px;
    height: 11px;
    flex-shrink: 0;
    opacity: 0.6;
}

.tutorial-breadcrumb-item:hover {
    color: var(--md-primary-fg-color);
}

.tutorial-breadcrumb-item:hover svg {
    opacity: 1;
}

.tutorial-breadcrumb-item--active {
    color: var(--md-default-fg-color);
    font-weight: 500;
    cursor: default;
}


.tutorial-breadcrumb-item--active svg {
    opacity: 0.85;
}

.tutorial-breadcrumb-sep {
    width: 10px;
    height: 10px;
    flex-shrink: 0;
    color: var(--md-default-fg-color--light);
    opacity: 0.35;
    margin: 0 0.1rem;
}

/* ═══════════════════════════════════════════════════════════════════
   CONTENT IMAGES — scoped to p > img only (excludes tech icons)
   ═══════════════════════════════════════════════════════════════════ */

.tutorial-page article p img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 1.5rem auto;
    box-shadow:
        0 1px 4px rgba(0,0,0,0.06),
        0 8px 28px rgba(0,0,0,0.09);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.tutorial-page article p img:hover {
    box-shadow:
        0 2px 8px rgba(0,0,0,0.09),
        0 14px 40px rgba(0,0,0,0.13);
    transform: translateY(-2px);
}

[data-md-color-scheme="slate"] .tutorial-page article p img {
    box-shadow:
        0 1px 4px rgba(0,0,0,0.3),
        0 8px 28px rgba(0,0,0,0.4);
}

/* ═══════════════════════════════════════════════════════════════════
   TABLES — modern, minimalist, aesthetic
   ═══════════════════════════════════════════════════════════════════ */

.tutorial-page article table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.82rem;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--md-divider-color, rgba(0,0,0,0.08));
}

.tutorial-page article thead tr {
    background: rgba(0,0,0,0.04);
    border-bottom: 1px solid var(--md-divider-color, rgba(0,0,0,0.1));
}

[data-md-color-scheme="slate"] .tutorial-page article thead tr {
    background: rgba(255,255,255,0.06);
}

.tutorial-page article thead th {
    padding: 0.6rem 1rem;
    text-align: left;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--md-default-fg-color);
    white-space: nowrap;
}

.tutorial-page article tbody tr {
    border-bottom: 1px solid var(--md-divider-color, rgba(0,0,0,0.06));
    transition: background 0.12s ease;
}

.tutorial-page article tbody tr:last-child {
    border-bottom: none;
}

.tutorial-page article tbody tr:hover {
    background: color-mix(in srgb, var(--md-primary-fg-color) 3%, var(--md-default-bg-color));
}

.tutorial-page article td {
    padding: 0.55rem 1rem;
    vertical-align: middle;
    color: var(--md-default-fg-color);
    line-height: 1.5;
}

/* ═══════════════════════════════════════════════════════════════════
   KBD — keyboard shortcut badges
   ═══════════════════════════════════════════════════════════════════ */

.tutorial-page article kbd {
    display: inline-flex;
    align-items: center;
    padding: 0.15em 0.45em;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.82em;
    font-weight: 600;
    line-height: 1.4;
    color: var(--md-default-fg-color);
    background: var(--md-code-bg-color);
    border: 1px solid var(--md-divider-color, rgba(0,0,0,0.15));
    border-bottom-width: 2px;
    border-radius: 5px;
    box-shadow: 0 1px 0 rgba(0,0,0,0.08);
    white-space: nowrap;
}

/* ═══════════════════════════════════════════════════════════════════
   TABBED CODE BLOCKS — match dark aesthetic
   ═══════════════════════════════════════════════════════════════════ */

.tutorial-page article .tabbed-set {
    margin: 1.25rem 0;
}

.tutorial-page article .tabbed-set .tabbed-labels {
    display: flex;
    gap: 0;
    border-bottom: none;
    background: #1a1d27;
    border-radius: 10px 10px 0 0;
    padding: 0.4rem 0.6rem 0;
    overflow: hidden;
}

.tutorial-page article .tabbed-set .tabbed-labels label {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.78rem;
    font-weight: 500;
    color: rgba(255,255,255,0.45);
    padding: 0.35rem 0.85rem;
    border-radius: 6px 6px 0 0;
    cursor: pointer;
    border: none;
    background: transparent;
    transition: color 0.15s ease, background 0.15s ease;
    white-space: nowrap;
}

.tutorial-page article .tabbed-set .tabbed-labels label:hover {
    color: rgba(255,255,255,0.75);
}

.tutorial-page article .tabbed-set input:checked + label,
.tutorial-page article .tabbed-set .tabbed-labels > label:has(+ input:checked) {
    color: rgba(255,255,255,0.9);
    background: rgba(255,255,255,0.06);
}

.tutorial-page article .tabbed-set .tabbed-content {
    border-radius: 0 0 10px 10px;
    overflow: hidden;
}

.tutorial-page article .tabbed-set .tabbed-content .highlight {
    border-radius: 0 !important;
    margin: 0 !important;
}

.tutorial-page article .tabbed-set .tabbed-content .tabbed-block:first-child .highlight {
    border-radius: 0 0 10px 10px !important;
}


/* ═══════════════════════════════════════════════════════════════════
   TUTORIAL PAGE — RIGHT TOC (SECONDARY NAV)
   ═══════════════════════════════════════════════════════════════════ */

/* "Jump to" label */
.tutorial-page ~ .md-sidebar--secondary .md-nav__title,
.md-sidebar--secondary .md-nav[aria-label="Table of contents"] > .md-nav__title {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--md-default-fg-color--light);
    padding: 0 0 0.6rem 1rem;
    margin-bottom: 0.25rem;
}

/* Strip Material's default TOC list styles */
.tutorial-page ~ .md-sidebar--secondary .md-nav__list,
.md-sidebar--secondary .md-nav[aria-label="Table of contents"] .md-nav__list {
    padding: 0;
    margin: 0;
    list-style: none;
    border-left: none;
}

/* Each TOC item */
.tutorial-page ~ .md-sidebar--secondary .md-nav__item,
.md-sidebar--secondary .md-nav[aria-label="Table of contents"] .md-nav__item {
    padding: 0;
    margin: 0;
}

/* Show only H2 — hide nested lists (H3 and below) */
.tutorial-page ~ .md-sidebar--secondary .md-nav__item .md-nav,
.md-sidebar--secondary .md-nav[aria-label="Table of contents"] .md-nav__item .md-nav {
    display: none !important;
}

/* TOC links */
.tutorial-page ~ .md-sidebar--secondary .md-nav__link,
.md-sidebar--secondary .md-nav[aria-label="Table of contents"] .md-nav__link {
    display: block;
    padding: 0.35rem 0.75rem;
    margin: 0;
    font-size: 0.78rem;
    font-weight: 400;
    line-height: 1.45;
    color: var(--md-default-fg-color--light);
    border-left: 2px solid transparent;
    margin-left: -2px;
    transition: color 0.15s ease, border-color 0.15s ease;
    text-decoration: none;
}

.tutorial-page ~ .md-sidebar--secondary .md-nav__link:hover,
.md-sidebar--secondary .md-nav[aria-label="Table of contents"] .md-nav__link:hover {
    color: var(--md-default-fg-color);
    border-left-color: var(--md-default-fg-color--light);
}

/* Active / current TOC item */
.tutorial-page ~ .md-sidebar--secondary .md-nav__link--active,
.md-sidebar--secondary .md-nav[aria-label="Table of contents"] .md-nav__link--active {
    color: var(--md-primary-fg-color);
    border-left-color: var(--md-primary-fg-color);
    font-weight: 500;
}