/* Draintest – hell, schlicht, nerdig */
:root {
  --bg: #ffffff; --fg: #111111; --dim: #6b6b6b; --line: #d9d9d9; --soft: #f5f5f3;
  --ok: #0a7d2c; --warn: #b54708; --link: #0b57d0;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.55 var(--mono); }
a { color: var(--link); text-underline-offset: 2px; }
a:hover { background: var(--fg); color: var(--bg); text-decoration: none; }
.top, main, .foot { max-width: 820px; margin: 0 auto; padding: 0 16px; }
.top { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; align-items: baseline; padding-top: 18px; padding-bottom: 12px; border-bottom: 1px dashed var(--line); }
.logo { color: var(--fg); text-decoration: none; font-weight: 700; font-size: 17px; }
.cursor { animation: blink 1.1s steps(1) infinite; }
.blink { color: var(--ok); animation: blink 1.6s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
nav { display: flex; gap: 14px; flex-wrap: wrap; align-items: baseline; }
nav a { color: var(--fg); }
.langs a { margin-left: 6px; color: var(--dim); text-decoration: none; }
.langs a.cur { color: var(--fg); font-weight: 700; text-decoration: underline; }
h1 { font-size: 24px; line-height: 1.25; margin: 28px 0 8px; }
h1::before { content: "$ "; color: var(--dim); }
h2 { font-size: 15px; margin: 30px 0 10px; }
.lead { margin-top: 0; }
.dim { color: var(--dim); }
.ok { color: var(--ok); }
.warn { color: var(--warn); font-weight: 700; }
.hint { color: var(--warn); }
.note { color: var(--dim); }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.big { font-size: 18px; font-weight: 700; }
.box { border: 1px solid var(--fg); padding: 16px; margin: 22px 0; background: var(--bg); }
.idline { font-size: 18px; }
.tid { font-size: 30px; letter-spacing: 1px; margin-left: 6px; }
.modes { display: grid; gap: 10px; }
.mode { display: block; border: 1px solid var(--line); padding: 10px 12px; cursor: pointer; }
.mode:has(input:checked) { border-color: var(--fg); background: var(--soft); }
input[type=text], input[type=number] { font: inherit; border: 1px solid var(--fg); padding: 7px 9px; width: 100%; max-width: 360px; background: var(--bg); color: var(--fg); border-radius: 0; }
.btn { font: inherit; font-weight: 700; border: 1px solid var(--fg); background: var(--fg); color: var(--bg); padding: 8px 16px; cursor: pointer; border-radius: 0; }
.btn:disabled { opacity: .35; cursor: not-allowed; }
.btn.ghost { background: var(--bg); color: var(--fg); }
.btn.small { padding: 2px 9px; }
.term { background: var(--soft); border: 1px solid var(--line); padding: 12px; margin: 0; white-space: pre-wrap; overflow-x: auto; font-size: 14px; }
.lookup { display: flex; gap: 8px; }
.lookup input { max-width: 180px; }
.tablewrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { border-bottom: 1px solid var(--fg); font-weight: 700; white-space: nowrap; }
.r { text-align: right; white-space: nowrap; }
table.kv th { width: 40%; color: var(--dim); font-weight: 400; }
details { border-bottom: 1px solid var(--line); padding: 8px 0; }
summary { cursor: pointer; font-weight: 700; }
summary::marker { content: "+ "; }
details[open] summary::marker { content: "- "; }
ol { padding-left: 22px; }
.prose h2::before { content: "## "; }
.chart { width: 100%; height: auto; border: 1px solid var(--line); }
.chart text { font: 11px var(--mono); fill: var(--dim); }
.chart .grid { stroke: var(--line); stroke-dasharray: 2 3; }
.chart .line { fill: none; stroke: var(--fg); stroke-width: 2; }
.chart .chg { fill: #fff3d6; }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; margin-top: 40px; padding-top: 14px; padding-bottom: 28px; border-top: 1px dashed var(--line); color: var(--dim); font-size: 13px; }

/* Video-Buehne */
#stage { position: fixed; inset: 0; z-index: 100; background: #000; }
#stage[hidden] { display: none; }
body.stage-on { overflow: hidden; }
#vid { width: 100%; height: 100%; object-fit: cover; display: block; }
.ov { position: absolute; color: #fff; font: 14px/1.4 var(--mono); text-shadow: 0 0 3px #000, 0 0 6px #000; }
/* Overlay waechst proportional zur Bildschirmgroesse (vmin = kuerzere Seite) */
.ov-tl { top: max(2vmin, env(safe-area-inset-top)); left: max(2vmin, env(safe-area-inset-left)); max-width: 80vw; background: rgba(0,0,0,.4); padding: 1.2vmin 2.4vmin; }
.ov-main { font-size: clamp(22px, 7vmin, 120px); font-weight: 700; line-height: 1.1; font-variant-numeric: tabular-nums; }
.ov-main span { margin-right: .5em; }
.ov-main span:last-child { margin-right: 0; }
.ov-sun { font-size: clamp(13px, 2.8vmin, 44px); margin-top: .6vmin; color: #ffe08a; }
.ov-tr { top: max(2vmin, env(safe-area-inset-top)); right: max(2vmin, env(safe-area-inset-right)); }
.ov-br { bottom: max(1.5vmin, env(safe-area-inset-bottom)); right: max(2vmin, env(safe-area-inset-right)); font-size: clamp(10px, 1.5vmin, 22px); opacity: .75; max-width: 70%; text-align: right; }
.ov-warn { bottom: 8vmin; left: 2vmin; right: 2vmin; background: var(--warn); padding: 1vmin 2vmin; text-shadow: none; font-size: clamp(14px, 3vmin, 44px); }
.ov .btn.ghost { background: rgba(0,0,0,.4); color: #fff; border-color: #fff; }
.ov-tr .btn.small { font-size: clamp(14px, 3vmin, 40px); padding: .2em .6em; }

@media (max-width: 520px) {
  body { font-size: 14px; }
  h1 { font-size: 20px; }
  .tid { font-size: 26px; }
  .lookup input { max-width: none; }
}