/* =========================================================================
   sourcemirrors.org — "infrastructure terminal" design system
   Dark ink ground, fine grid + grain atmosphere, single signal-lime accent.
   Display: Archivo · Data/UI: JetBrains Mono · Body: Hanken Grotesk
   ========================================================================= */

:root {
    --ink-900: #080b0f;
    --ink-850: #0b0f14;
    --ink-800: #0f141b;
    --ink-700: #141b24;
    --ink-600: #1b242f;

    --line:        rgba(190, 242, 100, 0.08);
    --line-soft:   rgba(255, 255, 255, 0.07);
    --line-strong: rgba(255, 255, 255, 0.16);

    --text:   #e8eef2;
    --dim:    #9aa9b6;
    --faint:  #5d6b78;

    --accent:      #bef264;   /* signal lime */
    --accent-deep: #a3e635;
    --accent-glow: rgba(190, 242, 100, 0.22);

    --ok:   #4ade80;
    --warn: #fbbf24;
    --down: #f87171;

    --mono:    'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
    --sans:    'Hanken Grotesk', system-ui, sans-serif;
    --display: 'Archivo', system-ui, sans-serif;

    --radius: 14px;
    --wrap: 1080px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--ink-850);
    background-image:
        radial-gradient(1100px 620px at 12% -8%, rgba(190, 242, 100, 0.10), transparent 60%),
        radial-gradient(900px 600px at 100% 0%, rgba(56, 189, 248, 0.06), transparent 55%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

/* Fine technical grid + grain, layered behind everything. */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #000 35%, transparent 85%);
    opacity: 0.6;
}
body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

::selection { background: var(--accent); color: var(--ink-900); }

a { color: var(--accent); text-decoration: none; }
a:hover { color: #fff; }

/* ---- Layout ---------------------------------------------------------- */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
main.wrap { padding-top: 56px; padding-bottom: 72px; }

/* ---- Header / nav ---------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(12px) saturate(120%);
    background: rgba(11, 15, 20, 0.72);
    border-bottom: 1px solid var(--line-soft);
}
.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    height: 64px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    font-family: var(--display);
    font-weight: 800;
    font-size: 18px;
    letter-spacing: -0.02em;
    color: var(--text);
}
.brand:hover { color: var(--text); }
.brand__mark {
    width: 13px; height: 13px;
    border-radius: 3px;
    background: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow), 0 0 18px var(--accent-glow);
    animation: pulse 3.4s var(--ease) infinite;
}
.brand__tld { color: var(--faint); font-weight: 500; }

.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
    font-family: var(--mono);
    font-size: 13px;
    letter-spacing: 0.01em;
    color: var(--dim);
    padding: 8px 13px;
    border-radius: 9px;
    transition: color 0.2s, background 0.2s;
}
.nav a:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.nav a.is-active { color: var(--accent); }

/* ---- Headings / text ------------------------------------------------- */
h1, h2, h3 { font-family: var(--display); font-weight: 800; letter-spacing: -0.025em; line-height: 1.08; color: #fff; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); margin: 0 0 18px; }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); margin: 48px 0 18px; }
h3 { font-size: 1.15rem; margin: 0 0 8px; }

.eyebrow {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent-deep);
    margin: 0 0 16px;
    display: inline-block;
}
.lede { font-size: 1.18rem; color: var(--dim); max-width: 60ch; margin: 0 0 28px; }
p { margin: 0 0 16px; }
.muted { color: var(--dim); }

/* ---- Buttons --------------------------------------------------------- */
.btn {
    display: inline-flex; align-items: center; gap: 9px;
    font-family: var(--mono); font-size: 14px; font-weight: 600;
    padding: 13px 22px; border-radius: 11px; border: 1px solid transparent;
    cursor: pointer; transition: transform 0.18s var(--ease), box-shadow 0.18s, background 0.18s, border-color 0.18s;
    text-decoration: none;
}
.btn--accent { background: var(--accent); color: var(--ink-900); box-shadow: 0 6px 22px -8px var(--accent-glow); }
.btn--accent:hover { background: #cdfa7e; color: var(--ink-900); transform: translateY(-2px); box-shadow: 0 12px 30px -8px var(--accent-glow); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--line-strong); }
.btn--ghost:hover { color: var(--text); border-color: var(--accent); background: rgba(190,242,100,0.06); transform: translateY(-2px); }

/* ---- Hero (home) ----------------------------------------------------- */
.hero { padding: 40px 0 8px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }

/* ---- Cards / grid ---------------------------------------------------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 18px; margin: 28px 0; }
.card {
    position: relative;
    display: block;
    padding: 24px;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius);
    background: linear-gradient(160deg, rgba(255,255,255,0.035), rgba(255,255,255,0.012));
    color: var(--text);
    overflow: hidden;
    transition: transform 0.25s var(--ease), border-color 0.25s, box-shadow 0.25s;
}
.card::after {
    content: ""; position: absolute; inset: 0; border-radius: inherit;
    background: radial-gradient(420px 160px at 0% 0%, var(--accent-glow), transparent 70%);
    opacity: 0; transition: opacity 0.3s;
}
.card:hover { transform: translateY(-4px); border-color: var(--line-strong); color: var(--text); box-shadow: 0 18px 40px -22px rgba(0,0,0,0.8); }
.card:hover::after { opacity: 0.5; }
.card__cat { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-deep); }
.card h3 { margin: 10px 0 8px; }
.card p { color: var(--dim); font-size: 0.95rem; margin: 0; }
.card__arrow { position: absolute; top: 22px; right: 22px; color: var(--faint); transition: transform 0.25s var(--ease), color 0.25s; font-family: var(--mono); }
.card:hover .card__arrow { color: var(--accent); transform: translate(3px, -3px); }

/* ---- Panels & meta --------------------------------------------------- */
.panel {
    border: 1px solid var(--line-soft);
    border-radius: var(--radius);
    background: rgba(255,255,255,0.02);
    padding: 22px 24px;
}
.meta-row { display: flex; flex-wrap: wrap; gap: 10px 28px; font-family: var(--mono); font-size: 13px; color: var(--dim); margin: 18px 0 8px; }
.meta-row b { color: var(--text); font-weight: 600; }

/* ---- Breadcrumbs ----------------------------------------------------- */
.crumbs { font-family: var(--mono); font-size: 12.5px; color: var(--faint); margin-bottom: 22px; letter-spacing: 0.02em; }
.crumbs a { color: var(--dim); }
.crumbs a:hover { color: var(--accent); }
.crumbs .sep { color: var(--faint); margin: 0 8px; }

/* ---- File / version tables ------------------------------------------ */
.tbl { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 13.5px; margin: 14px 0; }
.tbl thead th {
    text-align: left; font-weight: 600; color: var(--faint);
    font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
    padding: 10px 14px; border-bottom: 1px solid var(--line-strong);
}
.tbl td { padding: 13px 14px; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
.tbl tbody tr { transition: background 0.15s; }
.tbl tbody tr:hover { background: rgba(190,242,100,0.04); }
.tbl .col-size { color: var(--dim); white-space: nowrap; text-align: right; }
.tbl .file-name a { color: var(--text); }
.tbl .file-name a:hover { color: var(--accent); }
.tbl .ver-link { color: var(--accent); }

/* checksum cell + copy button */
.sha { display: inline-flex; align-items: center; gap: 8px; max-width: 100%; }
.sha code { color: var(--faint); font-size: 11.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 30ch; }
.copy {
    flex: none; cursor: pointer; border: 1px solid var(--line-strong); background: transparent;
    color: var(--dim); font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.06em;
    padding: 4px 9px; border-radius: 7px; text-transform: uppercase; transition: all 0.18s;
}
.copy:hover { color: var(--accent); border-color: var(--accent); }
.copy.is-copied { color: var(--ink-900); background: var(--accent); border-color: var(--accent); }

/* ---- Status page ----------------------------------------------------- */
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; margin: 26px 0 36px; }
.stat { border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 20px; background: rgba(255,255,255,0.02); }
.stat__num { font-family: var(--display); font-weight: 800; font-size: 2rem; color: #fff; line-height: 1; }
.stat__num.accent { color: var(--accent); }
.stat__label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); margin-top: 8px; }

.status-list { border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; }
.status-row { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 16px; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--line-soft); }
.status-row:last-child { border-bottom: 0; }
.status-row.head { background: rgba(255,255,255,0.02); font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); }
.status-row .name { font-weight: 600; }
.status-row .name a { color: var(--text); }
.status-row .name a:hover { color: var(--accent); }
.status-row .val { font-family: var(--mono); font-size: 13px; color: var(--dim); }

.dot { display: inline-flex; align-items: center; gap: 9px; font-family: var(--mono); font-size: 12.5px; }
.dot::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--faint); }
.dot.ok::before   { background: var(--ok);   box-shadow: 0 0 0 4px rgba(74,222,128,0.18); animation: pulse 2.6s var(--ease) infinite; }
.dot.warn::before { background: var(--warn); box-shadow: 0 0 0 4px rgba(251,191,36,0.16); }
.dot.down::before { background: var(--down); box-shadow: 0 0 0 4px rgba(248,113,113,0.16); }
.dot.ok   { color: var(--ok); }
.dot.warn { color: var(--warn); }
.dot.down { color: var(--down); }

/* ---- Upload (home) --------------------------------------------------- */
.upload { margin: 30px 0; }
.dropzone {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
    text-align: center; padding: 48px 28px;
    border: 1.5px dashed var(--line-strong); border-radius: 18px;
    background: rgba(255,255,255,0.015);
    cursor: pointer; transition: border-color 0.2s, background 0.2s;
}
.dropzone:hover, .dropzone.is-active { border-color: var(--accent); background: rgba(190,242,100,0.04); }
.dropzone__hint { font-family: var(--mono); font-size: 13px; color: var(--dim); }
.dropzone__name { font-family: var(--mono); font-size: 13px; color: var(--accent); min-height: 1em; }
.dropzone input[type="file"] { position: absolute; width: 1px; height: 1px; opacity: 0; }
.upload__bar { display: flex; justify-content: center; margin-top: 18px; }

/* alerts */
.alert { border-radius: 11px; padding: 14px 18px; margin: 0 0 22px; font-size: 0.95rem; border: 1px solid; }
.alert--error { background: rgba(248,113,113,0.08); border-color: rgba(248,113,113,0.35); color: #fecaca; }
.alert--ok { background: rgba(74,222,128,0.07); border-color: rgba(74,222,128,0.32); color: #bbf7d0; }
.alert code { font-family: var(--mono); color: var(--text); }

.recent { list-style: none; padding: 0; margin: 14px 0; font-family: var(--mono); font-size: 13.5px; }
.recent li { padding: 9px 0; border-bottom: 1px solid var(--line-soft); }
.recent li a { color: var(--dim); }
.recent li a:hover { color: var(--accent); }

/* ---- Footer ---------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--line-soft); margin-top: 40px; }
.site-footer__inner { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; padding: 28px 0 40px; }
.site-footer a { color: var(--dim); }
.site-footer a:hover { color: var(--accent); }
.foot-meta { font-family: var(--mono); font-size: 11.5px; color: var(--faint); }
.foot-nav { display: flex; gap: 18px; font-family: var(--mono); font-size: 12.5px; }

/* ---- Animations ------------------------------------------------------ */
@keyframes reveal { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 4px var(--accent-glow), 0 0 18px var(--accent-glow); } 50% { box-shadow: 0 0 0 6px transparent, 0 0 26px var(--accent-glow); } }

main.wrap > * { animation: reveal 0.6s var(--ease) both; }
main.wrap > *:nth-child(2) { animation-delay: 0.05s; }
main.wrap > *:nth-child(3) { animation-delay: 0.10s; }
main.wrap > *:nth-child(4) { animation-delay: 0.15s; }
main.wrap > *:nth-child(5) { animation-delay: 0.20s; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto; }
}

/* ---- Responsive ------------------------------------------------------ */
@media (max-width: 640px) {
    .nav a { padding: 8px 9px; }
    .brand__tld { display: none; }
    main.wrap { padding-top: 36px; }
    .status-row { grid-template-columns: 1.4fr 1fr; row-gap: 6px; }
    .status-row .hide-sm { display: none; }
    .sha code { max-width: 18ch; }
}