/* Phosphor terminal, one dark look: a single 74-column console, scanner markers for state. */
:root {
  color-scheme: dark;
  --bg: #0a0f0c;
  --bg-deep: #060907;
  --panel: #0f1612;
  --bar: #141d18;
  --line: #24352b;
  --fg: #c9dccf;
  --bright: #eefaf1;
  --muted: #7d9886;
  --accent: #62f58f;
  --accent-dim: #2f8a52;
  --accent-fg: #06120a;
  --glow: rgba(98, 245, 143, 0.35);
  --bad: #ff6b5e;
  --warn: #ffc14d;
  --good: #62f58f;
  --bad-bg: #1d0f0d;
  --warn-bg: #1b160a;
  --good-bg: #0d1d13;
  --scan: rgba(0, 0, 0, 0.22);
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, "Cascadia Mono", "JetBrains Mono", "DejaVu Sans Mono", Consolas, monospace;
  --measure: 74ch;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { background: var(--bg); }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 0.95rem/1.65 var(--mono);
  -webkit-font-smoothing: antialiased;
}

/* Scanlines over everything, never in the way of input. */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(to bottom, transparent 0 2px, var(--scan) 2px 3px);
  z-index: 100;
}

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

a {
  color: var(--accent);
  text-decoration: underline dotted;
  text-underline-offset: 0.2em;
}
a:hover { background: var(--accent); color: var(--accent-fg); text-decoration: none; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

code, pre { font-family: var(--mono); font-size: 0.92em; }
code { color: var(--accent); }

header.site, main, footer.site {
  max-width: calc(var(--measure) + 2rem);
  margin: 0 auto;
  padding-inline: 1rem;
}

header.site {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-block: 1rem;
  border-bottom: 1px dashed var(--line);
}

.brand {
  font-weight: 700;
  text-decoration: none;
  text-transform: lowercase;
  color: var(--bright);
}
.brand::before {
  content: ">_ ";
  content: ">_ " / "";
  color: var(--accent);
  text-shadow: 0 0 0.4em var(--glow);
}
.brand:hover::before { color: inherit; text-shadow: none; }

header.site nav a { text-transform: lowercase; text-decoration: none; }
header.site nav a::before { content: "["; content: "[" / ""; color: var(--muted); }
header.site nav a::after { content: "]"; content: "]" / ""; color: var(--muted); }
header.site nav a:hover::before, header.site nav a:hover::after { color: inherit; }

.banner {
  margin: 2rem 0 0;
  overflow: hidden;
  color: var(--accent);
  font-size: clamp(4px, calc((100vw - 2rem) / 45), 0.8rem);
  line-height: 1.05;
  text-shadow: 0 0 0.5em var(--glow);
}
.banner .tag {
  display: block;
  margin-top: 0.8em;
  font-size: max(0.75rem, 1em);
  white-space: normal;
  color: var(--muted);
  text-shadow: none;
}

h1, h2, h3 { text-wrap: balance; color: var(--bright); }

h1 {
  font-size: 1.55rem;
  line-height: 1.3;
  margin: 1.5rem 0 0.75rem;
  text-shadow: 0 0 0.5em var(--glow);
}
h1::after {
  content: "";
  display: inline-block;
  width: 0.55em;
  height: 1em;
  margin-left: 0.2em;
  vertical-align: -0.12em;
  background: var(--accent);
  animation: blink 1.1s steps(1) infinite;
}

h2 { font-size: 1.1rem; margin: 2.25rem 0 0.5rem; }
main > h2::before { content: "## "; content: "## " / ""; color: var(--accent-dim); }

h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin: 1.25rem 0 0.4rem;
}

.lead { color: var(--fg); font-size: 1rem; }

ul { padding-left: 2ch; list-style-type: "> "; }
li::marker { color: var(--accent); }
li + li { margin-top: 0.25rem; }

@keyframes blink { 50% { opacity: 0; } }

.check {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0 1rem 1rem;
  margin: 1.75rem 0;
}

/* The title bar is the command line the binary itself takes. */
.check::before {
  content: "$ php2shell check <url>";
  content: "$ php2shell check <url>" / "";
  display: block;
  margin: 0 -1rem 1rem;
  padding: 0.35rem 1rem;
  background: var(--bar);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
}

.check > label[for] {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.check .row { display: flex; gap: 0.5rem; }

.check input[type="text"] {
  flex: 1;
  min-width: 0;
  padding: 0.6rem 0.7rem;
  font: inherit;
  color: var(--bright);
  caret-color: var(--accent);
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 2px;
}
.check input[type="text"]::placeholder { color: var(--muted); opacity: 0.7; }
.check input[type="text"]:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 0 1em var(--glow); }

.check button {
  padding: 0.6rem 1.4rem;
  font: inherit;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-fg);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 2px;
  cursor: pointer;
}
.check button:hover { box-shadow: 0 0 1.2em var(--glow); }
.check button:disabled { opacity: 0.5; cursor: progress; box-shadow: none; }

.check .attest { display: flex; gap: 0.6rem; align-items: baseline; margin-top: 0.9rem; }
.check .attest input { accent-color: var(--accent); margin: 0; flex: none; }
.check .hint { color: var(--muted); font-size: 0.85rem; margin: 0.6rem 0 0; }

.result {
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent-dim);
  border-radius: 3px;
  padding: 1rem;
  background: var(--panel);
}

.result.bad { border-left-color: var(--bad); background: var(--bad-bg); }
.result.warn { border-left-color: var(--warn); background: var(--warn-bg); }
.result.good { border-left-color: var(--good); background: var(--good-bg); }

.result > h2 { margin-top: 0; font-size: 1.25rem; }
.result > h2::before { content: "[*] "; content: "[*] " / ""; }
.result.bad > h2 { color: var(--bad); }
.result.bad > h2::before { content: "[!] "; content: "[!] " / ""; }
.result.warn > h2 { color: var(--warn); }
.result.warn > h2::before { content: "[?] "; content: "[?] " / ""; }
.result.good > h2 { color: var(--good); }
.result.good > h2::before { content: "[+] "; content: "[+] " / ""; }

/* While a check runs the card holds one line; give it a prompt and a cursor. */
.result:not(.bad, .warn, .good) > p:only-child::before { content: "[*] "; content: "[*] " / ""; color: var(--accent); }
.result:not(.bad, .warn, .good) > p:only-child::after {
  content: "";
  display: inline-block;
  width: 0.55em;
  height: 1em;
  margin-left: 0.2em;
  vertical-align: -0.12em;
  background: var(--accent);
  animation: blink 0.8s steps(1) infinite;
}

.result .meta { color: var(--muted); font-size: 0.85rem; }

.result pre {
  overflow-x: auto;
  padding: 0.75rem;
  color: var(--fg);
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 2px;
}

details { margin-top: 1rem; }
summary {
  cursor: pointer;
  list-style: none;
  color: var(--accent);
  width: fit-content;
}
summary::-webkit-details-marker { display: none; }
summary::before { content: "[+] "; content: "[+] " / ""; color: var(--accent-dim); }
details[open] > summary::before { content: "[-] "; content: "[-] " / ""; }
summary:hover { text-decoration: underline dotted; text-underline-offset: 0.2em; }

.evidence h4 {
  margin: 1.25rem 0 0.4rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.evidence .facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.3rem 1.5rem;
  margin: 0;
}
.evidence dt { color: var(--muted); }
.evidence dd { margin: 0; min-width: 0; overflow-wrap: break-word; }
.evidence code {
  padding: 0 0.3rem;
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow-wrap: break-word;
}
.evidence .plain { margin: 0; }
.evidence .muted { color: var(--muted); font-size: 0.9em; }
.evidence .scroll { overflow-x: auto; }
.evidence table { width: 100%; border-collapse: collapse; font-size: 0.9rem; font-variant-numeric: tabular-nums; }
.evidence th, .evidence td {
  padding: 0.35rem 1rem 0.35rem 0;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px dashed var(--line);
}
.evidence th {
  color: var(--muted);
  font-weight: 400;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.notice { color: var(--warn); }
.notice::before { content: "[!] "; content: "[!] " / ""; }

footer.site {
  margin-top: 3rem;
  padding-block: 1rem 2rem;
  border-top: 1px dashed var(--line);
  color: var(--muted);
}

footer.site p { margin: 0.25rem 0; font-size: 0.85rem; }
footer.site p::before { content: "# "; content: "# " / ""; color: var(--accent-dim); }
footer.site .version { color: var(--fg); }

@media (max-width: 30rem) {
  h1 { font-size: 1.3rem; }
  .check .row { flex-direction: column; }
  .evidence .facts { grid-template-columns: 1fr; gap: 0; }
  .evidence dd { margin-bottom: 0.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  h1::after, .result > p::after { animation: none; }
}