:root {
    --paper:        #f3eee2;
    --paper-deep:   #ebe5d4;
    --ink:          #16140f;
    --ink-soft:     #4a463c;
    --ink-faint:    #8a8474;
    --rule:         #16140f;
    --hairline:     #c9c2af;
    --accent:       #b34a1a;
    --accent-soft:  #d97a3a;
    --term-bg:      #16140f;
    --term-fg:      #f3eee2;
    --term-prompt:  #d97a3a;
    --term-cursor:  #f3c668;

    --mono: "JetBrains Mono", "IBM Plex Mono", "SF Mono", Menlo, Consolas,
            "Roboto Mono", "Courier New", monospace;
    --serif: "Iowan Old Style", "Charter", "Georgia", "Times New Roman", serif;

    --max: 880px;
    --pad:  clamp(1rem, 4vw, 2rem);
}

@media (prefers-color-scheme: dark) {
    :root {
        --paper:        #0f0e0b;
        --paper-deep:   #17150f;
        --ink:          #ece6d4;
        --ink-soft:     #b8b1a0;
        --ink-faint:    #7a7466;
        --rule:         #ece6d4;
        --hairline:     #2c2920;
        --accent:       #f3a76b;
        --accent-soft:  #d97a3a;
    }
}

*, *::before, *::after { box-sizing: border-box; }

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--mono);
    font-size: 15px;
    line-height: 1.65;
    color: var(--ink);
    background:
        repeating-linear-gradient(
            180deg,
            var(--paper) 0 28px,
            var(--paper) 28px,
            var(--paper-deep) 28px,
            var(--paper-deep) 29px
        );
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

::selection { background: var(--ink); color: var(--paper); }

a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--accent); }

/* ----- container ------------------------------------------------------ */

.container {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--pad) 4rem;
}

/* ----- masthead (editorial header) ------------------------------------ */

.masthead {
    margin-top: 1.5rem;
    padding: 0.5rem 0 1.25rem;
    border-top: 4px double var(--rule);
    border-bottom: 1px solid var(--rule);
}

.mast-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem 1.5rem;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--ink-soft);
    padding: 0.4rem 0;
}

.mast-meta span { white-space: nowrap; }

.mast-title {
    font-family: var(--mono);
    font-size: clamp(2.2rem, 7vw, 3.6rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.02em;
    margin: 0.6rem 0 0.4rem;
    text-transform: uppercase;
}

.mast-title .slash { color: var(--accent); }
.mast-title .cursor {
    display: inline-block;
    width: 0.55ch;
    background: var(--ink);
    color: transparent;
    animation: blink 1.05s steps(2, start) infinite;
    margin-left: 0.1ch;
}

@keyframes blink { to { visibility: hidden; } }

.mast-tagline {
    font-family: var(--serif);
    font-style: italic;
    font-size: 1.05rem;
    line-height: 1.4;
    color: var(--ink-soft);
    margin: 0.25rem 0 0.6rem;
    max-width: 56ch;
}

.mast-strap {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1rem;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--ink-soft);
    padding-top: 0.6rem;
    border-top: 1px solid var(--hairline);
}

.mast-strap b { color: var(--ink); font-weight: 700; }

/* ----- terminal hero -------------------------------------------------- */

.terminal {
    margin: 1.75rem 0 2rem;
    background: var(--term-bg);
    color: var(--term-fg);
    border-radius: 6px;
    box-shadow: 0 1px 0 var(--hairline), 0 14px 0 -10px var(--paper-deep);
    overflow: hidden;
    font-family: var(--mono);
}

.terminal-bar {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 0.85rem;
    background: #0c0b08;
    border-bottom: 1px solid #2a261d;
}

.dot {
    width: 11px; height: 11px; border-radius: 50%;
    background: #3a3328;
}
.dot.r { background: #d35a3a; }
.dot.y { background: #d9a341; }
.dot.g { background: #6fa84a; }

.terminal-bar .title {
    margin-left: auto;
    font-size: 11px;
    color: #7a7466;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.terminal-body {
    padding: 1rem 1.1rem 1.2rem;
    font-size: 13.5px;
    line-height: 1.65;
    overflow-x: auto;
}

.terminal-body .line { white-space: pre; }
.terminal-body .prompt { color: var(--term-prompt); }
.terminal-body .ok { color: #7fc36b; }
.terminal-body .dim { color: #7a7466; }
.terminal-body .hl { color: var(--term-cursor); }
.terminal-body .blink::after {
    content: "▮";
    color: var(--term-cursor);
    animation: blink 1.05s steps(2, start) infinite;
    margin-left: 2px;
}

/* ----- chapter / section --------------------------------------------- */

.chapter {
    margin: 2.75rem 0;
    border-top: 1px solid var(--rule);
    padding-top: 1.5rem;
}

.chapter-head {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.1rem;
}

.chapter-num {
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 700;
    border: 1px solid var(--accent);
    padding: 0.18rem 0.5rem;
    border-radius: 2px;
}

.chapter-title {
    font-size: clamp(1.35rem, 3.2vw, 1.7rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    margin: 0;
}

.chapter-kicker {
    font-family: var(--serif);
    font-style: italic;
    color: var(--ink-soft);
    font-size: 0.95rem;
    margin: -0.4rem 0 1.1rem;
    max-width: 60ch;
}

/* ----- pretty code blocks (article body) ----------------------------- */

.snippet {
    margin: 0.9rem 0 1.4rem;
    border: 1px solid var(--rule);
    background: var(--paper-deep);
    border-radius: 4px;
    overflow: hidden;
}

.snippet header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
    padding: 0.4rem 0.75rem;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-soft);
    border-bottom: 1px solid var(--hairline);
    background: var(--paper);
}

.snippet header b { color: var(--ink); font-weight: 700; letter-spacing: 0.18em; }

.snippet pre {
    margin: 0;
    padding: 0.85rem 0.95rem;
    overflow-x: auto;
    font-size: 13.5px;
    line-height: 1.7;
    color: var(--ink);
    background: transparent;
}

.snippet code { font-family: var(--mono); }

.snippet .p { color: var(--accent); }      /* prompt */
.snippet .c { color: var(--ink-faint); }   /* comment */
.snippet .k { font-weight: 700; }          /* keyword (curl, wget) */

/* ----- columns (zine layout) ----------------------------------------- */

.cols-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 720px) {
    .cols-2 { grid-template-columns: 1fr 1fr; gap: 1.6rem; }
}

/* ----- list manifest -------------------------------------------------- */

.manifest {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--hairline);
}

.manifest li {
    display: grid;
    grid-template-columns: minmax(120px, 1fr) auto;
    gap: 1rem;
    padding: 0.65rem 0;
    border-bottom: 1px dotted var(--hairline);
    font-size: 14px;
}

.manifest li b {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 11.5px;
    color: var(--ink-soft);
    align-self: center;
}

.manifest li span {
    text-align: right;
    font-variant-numeric: tabular-nums;
    color: var(--ink);
}

/* ----- pull quote ---------------------------------------------------- */

.pull {
    margin: 1.6rem 0;
    padding: 1rem 0 1rem 1rem;
    border-left: 4px solid var(--accent);
    font-family: var(--serif);
    font-style: italic;
    font-size: 1.15rem;
    line-height: 1.45;
    color: var(--ink);
    max-width: 60ch;
}

.pull cite {
    display: block;
    margin-top: 0.5rem;
    font-family: var(--mono);
    font-style: normal;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-faint);
}

/* ----- upload form --------------------------------------------------- */

.dropbox {
    border: 2px dashed var(--rule);
    background: var(--paper-deep);
    padding: 1.25rem;
    border-radius: 4px;
}

.dropbox legend {
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ink-soft);
    padding: 0 0.4rem;
    background: var(--paper);
    border: 1px solid var(--rule);
    border-radius: 2px;
}

.dropbox p {
    margin: 0.25rem 0 0.9rem;
    color: var(--ink-soft);
    font-size: 13.5px;
}

.dropbox label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

input[type="file"] {
    display: block;
    width: 100%;
    padding: 0.85rem;
    margin-bottom: 0.9rem;
    font: inherit;
    font-size: 13px;
    color: var(--ink);
    background: var(--paper);
    border: 1px solid var(--rule);
    border-radius: 3px;
    cursor: pointer;
}

input[type="file"]::file-selector-button {
    margin-right: 0.75rem;
    padding: 0.4rem 0.7rem;
    border: 1px solid var(--rule);
    border-radius: 2px;
    background: var(--ink);
    color: var(--paper);
    font: inherit;
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    cursor: pointer;
}

input[type="text"] {
    display: block; width: 100%;
    padding: 0.75rem;
    font-family: var(--mono); font-size: 13px;
    border: 1px solid var(--rule);
    border-radius: 3px;
    background: var(--paper);
    color: var(--ink);
}

button, .btn {
    display: inline-block;
    padding: 0.75rem 1.4rem;
    font: inherit;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--paper);
    background: var(--ink);
    border: 1px solid var(--ink);
    border-radius: 3px;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.05s ease, background 0.15s ease;
}

button:hover, .btn:hover { background: var(--accent); border-color: var(--accent); color: var(--paper); }
button:active, .btn:active { transform: translateY(1px); }

.btn-ghost {
    color: var(--ink);
    background: transparent;
    border: 1px solid var(--rule);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

/* ----- FAQ ------------------------------------------------------------ */

.faq details {
    border-top: 1px solid var(--hairline);
    padding: 0.6rem 0;
}
.faq details:last-child { border-bottom: 1px solid var(--hairline); }

.faq summary {
    cursor: pointer;
    list-style: none;
    font-weight: 700;
    font-size: 14px;
    padding: 0.35rem 0;
    color: var(--ink);
    display: flex;
    gap: 0.6rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
    content: "+";
    color: var(--accent);
    font-weight: 700;
    width: 1ch;
}
.faq details[open] summary::before { content: "−"; }

.faq p { margin: 0.3rem 0 0.6rem; color: var(--ink-soft); font-size: 14px; }

/* ----- success / download / shared ----------------------------------- */

.upload-form, .success, .file-card, .file-info-box, .cli-download {
    background: var(--paper-deep);
    border: 1px solid var(--rule);
    border-radius: 4px;
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}

.success h2, .upload-form h2, .file-info-box h3, .cli-download h3 {
    border: none; padding: 0; margin: 0 0 0.9rem;
    font-size: 12px; text-transform: uppercase; letter-spacing: 0.2em;
    color: var(--ink-soft);
}

.success { text-align: left; }

dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 0.4rem 1rem; }
dt { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); align-self: center; }
dd { margin: 0; font-family: var(--mono); font-size: 13px; word-break: break-all; }

.warning {
    padding: 0.85rem 1rem;
    background: transparent;
    border: 1px solid var(--accent);
    border-left-width: 4px;
    color: var(--ink);
    font-size: 13px;
    margin-bottom: 1.25rem;
    border-radius: 3px;
}

.back-link { font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; }

/* ----- error --------------------------------------------------------- */

.error { text-align: center; padding: 4rem 0 2rem; }
.error h1 { font-size: 4rem; margin: 0; letter-spacing: -0.02em; }
.error p  { color: var(--ink-soft); }

/* ----- download page ------------------------------------------------- */

.download-page { text-align: left; }
.logo-link { color: inherit; text-decoration: none; }
.file-icon { width: 48px; height: 48px; color: var(--accent); margin-bottom: 0.75rem; }
.file-icon svg { width: 100%; height: 100%; }
.file-name { font-size: 1.1rem; font-weight: 700; margin: 0 0 0.4rem; word-break: break-all; }
.file-meta { color: var(--ink-soft); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; }
.meta-separator { margin: 0 0.5rem; color: var(--ink-faint); }
.info-list { display: grid; grid-template-columns: 110px 1fr; gap: 0.5rem 1rem; }

/* ----- colophon / footer --------------------------------------------- */

.colophon {
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 4px double var(--rule);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-soft);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.6rem 1.5rem;
}

.colophon a { color: var(--ink-soft); }
.colophon a:hover { color: var(--accent); }

/* ----- reduced motion ------------------------------------------------ */

@media (prefers-reduced-motion: reduce) {
    .mast-title .cursor,
    .terminal-body .blink::after { animation: none; }
}

/* ----- print --------------------------------------------------------- */

@media print {
    body { background: #fff; color: #000; }
    .terminal, .dropbox, button { display: none; }
    a::after { content: " <" attr(href) ">"; font-size: 10px; color: #666; }
}