/* --------- Masthead extras (sit inside the existing .info-header) --------- */
.tut-kicker {
    font-family: "Roboto Mono", monospace;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #2f7a33;
    margin: 0 0 0.75rem;
}

.tut-title {
    font-size: clamp(1.7rem, 4vw, 2.4rem);
    margin: 0 0 1rem;
}

/* --------- Two-column layout: table of contents + steps --------- */
.tut-layout {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 2rem;
    align-items: start;
    margin: 0 auto 2rem;
    max-width: 1400px;
}

.tut-toc {
    position: sticky;
    top: 1rem;
    padding: 1rem 1.1rem;
    background-color: rgba(255, 255, 255, 0.85);
    border: 2px solid black;
    border-radius: 12px;
    font-family: "Roboto Mono", monospace;
}

.tut-toc-label {
    font-family: "Roboto Mono", monospace;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #2f7a33;
    margin: 0 0 0.6rem;
}

.tut-toc ol {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: tut-toc-counter;
}

.tut-toc li {
    counter-increment: tut-toc-counter;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.tut-toc li a {
    color: #222;
    text-decoration: none;
}

.tut-toc li a::before {
    content: counter(tut-toc-counter, decimal-leading-zero) " ";
    font-family: "Roboto Mono", monospace;
    color: #2f7a33;
    font-size: 0.8rem;
    margin-right: 0.3rem;
}

.tut-toc li a:hover {
    text-decoration: underline;
}

.tut-main {
    min-width: 0;
}

/* --------- Divider between steps --------- */
.tut-sprout {
    text-align: center;
    color: #2f7a33;
    font-size: 1.3rem;
    margin: 0.25rem 0 2rem;
    position: relative;
}

.tut-sprout::before,
.tut-sprout::after {
    content: "";
    position: absolute;
    top: 50%;
    width: calc(50% - 26px);
    height: 1px;
    background-color: rgba(0, 0, 0, 0.15);
}

.tut-sprout::before {
    left: 0;
}

.tut-sprout::after {
    right: 0;
}

/* --------- Steps --------- */
.tut-step {
    display: grid;
    grid-template-columns: 50px minmax(0, 1fr);
    gap: 1.1rem;
    scroll-margin-top: 1rem;
    background-color: rgba(255, 255, 255, 0.85);
    border: 2px solid black;
    border-radius: 12px;
    padding: 1.4rem 1.6rem;
    margin-bottom: 0.5rem;
}

.tut-step-marker span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: rgba(79, 163, 79, 0.99);
    border: 2px solid black;
    color: #111;
    font-family: "Roboto Mono", monospace;
    font-size: 0.9rem;
}

.tut-step-body {
    min-width: 0;
    font-family: "Roboto Mono", monospace;
    color: #333;
}

.tut-step-body h2 {
    font-family: "Protest Revolution", sans-serif;
    font-weight: 400;
    font-size: 1.5rem;
    margin: 0.1rem 0 0.9rem;
    color: #222;
}

.tut-step-subtitle {
    display: block;
    font-family: "Roboto Mono", monospace;
    font-size: 0.9rem;
    color: #555;
    margin-top: 0.15rem;
}

.tut-step-body p {
    max-width: 90ch;
    line-height: 1.6;
}

.tut-leaf-list,
.tut-numbered-goals {
    max-width: 90ch;
    padding-left: 1.2rem;
}

.tut-leaf-list li {
    margin-bottom: 0.4rem;
}

.tut-numbered-goals {
    counter-reset: tut-goal-counter;
    list-style: none;
    padding-left: 0;
}

.tut-numbered-goals li {
    counter-increment: tut-goal-counter;
    margin-bottom: 0.55rem;
    padding-left: 2.1rem;
    position: relative;
}

.tut-numbered-goals li::before {
    content: counter(tut-goal-counter);
    position: absolute;
    left: 0;
    top: 0.05em;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    border: 2px solid #2f7a33;
    color: #2f7a33;
    font-family: "Roboto Mono", monospace;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tut-filename {
    font-family: "Roboto Mono", monospace;
    font-size: 0.8rem;
    color: #fff;
    background-color: #222;
    display: inline-block;
    padding: 0.3rem 0.7rem;
    border-radius: 6px 6px 0 0;
    margin: 1.3rem 0 0;
}

.tut-filename+.tut-pre {
    margin-top: 0;
    border-radius: 0 8px 8px 8px;
}

/* --------- Code blocks --------- */
.tut-pre {
    position: relative;
    background-color: #1e2620;
    color: #dce8dc;
    font-family: "Roboto Mono", monospace;
    font-size: 0.78rem;
    line-height: 1.6;
    padding: 1.1rem 1.3rem;
    border-radius: 8px;
    border: 2px solid black;
    overflow-x: auto;
    margin: 0 0 1.5rem;
}

.tut-pre code {
    background: none;
    padding: 0;
    font-size: inherit;
    color: inherit;
    white-space: pre;
    font-family: inherit;
}

.tut-inline-cmd {
    margin: 0.7rem 0 0;
    padding: 0.6rem 0.9rem;
    font-size: 0.8rem;
}

.tut-copy-btn {
    position: absolute;
    top: 0.55rem;
    right: 0.55rem;
    font-family: "Roboto Mono", monospace;
    font-size: 0.68rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: #dce8dc;
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 5px;
    padding: 0.28rem 0.55rem;
    cursor: pointer;
}

.tut-copy-btn:hover {
    background-color: rgba(255, 255, 255, 0.18);
}

/* --------- Mode cards (Standard / Non-Interactive) --------- */
.tut-mode-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.1rem;
    margin: 1.1rem 0 1.4rem;
    max-width: 90ch;
}

.tut-mode-card {
    background-color: rgb(209, 209, 209);
    border: 2px solid black;
    border-radius: 12px;
    padding: 1rem 1.1rem 1.2rem;
}

.tut-mode-card h3 {
    font-family: "Protest Revolution", sans-serif;
    font-weight: 400;
    font-size: 1.05rem;
    margin: 0 0 0.4rem;
    color: #222;
}

.tut-mode-card p {
    font-size: 0.9rem;
    margin: 0 0 0.8rem;
}

/* --------- Responsive --------- */
@media (max-width: 700px) {
    .tut-layout {
        grid-template-columns: 1fr;
    }

    .tut-toc {
        position: static;
    }

    .tut-step {
        grid-template-columns: 38px minmax(0, 1fr);
        gap: 0.8rem;
        padding: 1.1rem 1.2rem;
    }

    .tut-step-marker span {
        width: 34px;
        height: 34px;
        font-size: 0.78rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}