/* Keptday portal. Design system: docs/PLAN.md §10a (Dieter Rams, "Weniger, aber besser"):
   monochrome + one accent, system (SF) fonts, no gradients/mascots. Tokens are the ONLY
   colour source (values = docs/design/tokens.json; design-lint checks). signal is for
   "needs attention" only (a broken or expired link), never a brand or button colour. */
:root {
  --paper:  #F5F4F0;
  --ink:    #1C1C1B;
  --ink-2:  #5E5D59;
  --ink-3:  #86857F;
  --rule:   #D9D7D1;
  --signal: #C2410C;

  --step: 8px;
  --measure: 42rem;
  --mono: "SF Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper:  #1C1C1B; --ink: #F5F4F0; --ink-2: #A8A6A0; --ink-3: #86857F;
    --rule:   #3A3A38; --signal: #F0762E;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper:  #1C1C1B; --ink: #F5F4F0; --ink-2: #A8A6A0; --ink-3: #86857F;
  --rule:   #3A3A38; --signal: #F0762E;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
main {
  max-width: var(--measure);
  margin: 0 auto;
  padding-inline: 20px;
  padding-block: calc(var(--step) * 6) calc(var(--step) * 8);
  display: flex;
  flex-direction: column;
  gap: calc(var(--step) * 4);
}
a { color: var(--ink); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
p { margin: 0; }
code, .mono { font-family: var(--mono); font-size: 0.92em; }

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; font-size: 17px; text-decoration: none; }
.mark { width: 22px; height: 22px; border-radius: 5px; background: var(--ink); display: grid; place-items: center; flex: none; }
.mark::after { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--paper); }

.head { display: flex; flex-direction: column; gap: 10px; }
h1 { font-size: 30px; line-height: 1.15; letter-spacing: -0.02em; font-weight: 650; margin: 0; text-wrap: balance; }
.sub { color: var(--ink-2); font-size: 16px; max-width: 36rem; }
h2 {
  font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--ink-2); margin: 0 0 var(--step);
}

.action { display: flex; flex-direction: column; gap: var(--step); align-items: flex-start; }
/* Flex children default to min-width:auto; a long install command would widen the page. */
main > *, .action > * { min-width: 0; max-width: 100%; }
.action.wide { align-items: stretch; }
.btn {
  display: inline-flex; align-items: center; gap: var(--step);
  padding: 11px 18px; border-radius: 8px; font-weight: 600; font-size: 15px;
  text-decoration: none; border: 1.5px solid var(--ink);
  background: var(--ink); color: var(--paper);
}
.btn:hover { background: transparent; color: var(--ink); }
.btn.quiet { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn.quiet:hover { border-color: var(--ink-3); color: var(--ink); }
.meta { font-size: 13px; color: var(--ink-2); }

.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); gap: 12px; margin: 0; padding: 0; list-style: none; }
.steps li { border-top: 2px solid var(--ink); padding-top: 10px; display: flex; flex-direction: column; gap: 4px; font-size: 14px; }
.steps .n { font-family: var(--mono); font-size: 12px; color: var(--ink-2); }
.steps b { font-size: 14px; }
.steps span { color: var(--ink-2); }
.steps .btn { align-self: flex-start; margin-top: 6px; }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: calc(var(--step) * 2); }
.two ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
.two li { padding-left: 1.3em; text-indent: -1.3em; }
.two .sees li::before { content: "+ "; font-family: var(--mono); color: var(--ink-2); }
.two .never li::before { content: "– "; font-family: var(--mono); color: var(--ink-2); }

.card { border: 1px solid var(--rule); border-radius: 10px; padding: 16px; background: transparent; display: flex; flex-direction: column; gap: 10px; }
.kv { display: grid; grid-template-columns: 6.5rem 1fr; gap: 4px 12px; font-size: 14px; margin: 0; }
.kv dt { color: var(--ink-2); }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.code { font-family: var(--mono); font-size: 22px; letter-spacing: 0.08em; }

.cmd {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: transparent; border: 1px solid var(--rule); border-radius: 8px;
  padding: 12px 14px; font-family: var(--mono); font-size: 13px;
  max-width: 100%;
}
/* Only the command scrolls; the Copy button stays in view on a phone. */
.cmd code { white-space: pre; font-size: 1em; overflow-x: auto; min-width: 0; }
.copy {
  flex: none; font: inherit; font-family: -apple-system, system-ui, sans-serif; font-size: 12px;
  background: transparent; border: 1px solid var(--rule); color: var(--ink-2);
  border-radius: 6px; padding: 4px 10px; cursor: pointer;
}
.copy:hover { border-color: var(--ink-3); color: var(--ink); }
.copy[data-copied="1"] { color: var(--ink); border-color: var(--ink); }

details { border: 1px solid var(--rule); border-radius: 8px; padding: 10px 14px; font-size: 14px; }
details summary { cursor: pointer; font-weight: 600; }
details p { margin-top: var(--step); color: var(--ink-2); }
details p + p { margin-top: var(--step); }

.state { border-left: 3px solid var(--ink-3); padding-left: 14px; }
.state.bad { border-color: var(--signal); }

footer {
  border-top: 1px solid var(--rule); padding-top: 14px; font-size: 13px; color: var(--ink-2);
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
footer a { color: var(--ink-2); }

@media (max-width: 560px) {
  .two { grid-template-columns: 1fr; }
  h1 { font-size: 25px; }
}