/* Mobile first: Basis = Smartphone, Erweiterungen ueber min-width-Breakpoints */
:root {
  --bg: #f4f6fa; --surface: #fff; --text: #1d2433; --muted: #6b7385; --border: #e2e6ee;
  --accent: #1f5fd6; --accent-text: #fff; --ok: #1b7f4b; --warn: #a76400; --err: #c0352b;
  --code-bg: #0f1420; --code-text: #c9d3e6;
  --gutter: 16px; --radius: 12px; --tap: 44px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #10141d; --surface: #181e2a; --text: #e4e8f1; --muted: #8e97aa; --border: #2a3242;
          --accent: #5b8ff0; --ok: #4cc38a; --warn: #e0a440; --err: #f0776c; --code-bg: #0b0f17; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg);
       color: var(--text); overflow-x: hidden; }
a { color: var(--accent); text-decoration: none; }
h1 { font-size: 22px; margin: 0 0 16px; line-height: 1.25; }
h2 { font-size: 17px; margin: 0 0 12px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.muted { color: var(--muted); }
.small { font-size: 13px; font-weight: normal; }
.nowrap { white-space: nowrap; }
.ellipsis { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }

/* ---------- Kopfzeile + Navigation */
.top { position: sticky; top: 0; z-index: 10; background: var(--surface); border-bottom: 1px solid var(--border);
       padding-top: env(safe-area-inset-top); }
.top-bar { display: flex; align-items: center; justify-content: space-between; height: 56px; padding: 0 var(--gutter); }
.brand { font-weight: 700; font-size: 18px; color: var(--text); }
.brand span { color: var(--muted); font-weight: 400; }
.menu-btn { width: var(--tap); height: var(--tap); padding: 0; display: grid; place-items: center; border: 0;
            background: none; margin-right: -10px; }
.menu-btn span, .menu-btn span::before, .menu-btn span::after {
  display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; position: relative; content: ""; }
.menu-btn span::before { position: absolute; top: -7px; }
.menu-btn span::after { position: absolute; top: 7px; }
.nav { display: none; flex-direction: column; padding: 4px var(--gutter) 12px; border-top: 1px solid var(--border); }
.top.open .nav { display: flex; }
.nav a, .nav button.link { display: flex; align-items: center; min-height: var(--tap); padding: 0 12px;
                           border-radius: 8px; color: var(--text); font-size: 16px; }
.nav a.active { background: var(--bg); font-weight: 600; }
.nav .me { display: flex; flex-direction: column; border-top: 1px solid var(--border); margin-top: 6px; padding-top: 6px; }
.nav .me form { margin: 0; }
.nav .me button.link { width: 100%; justify-content: flex-start; color: var(--err); }

/* ---------- Layout */
main { padding: var(--gutter); padding-bottom: calc(var(--gutter) + env(safe-area-inset-bottom)); max-width: 1100px; margin: 0 auto; }
main.wide { max-width: none; }
main.center { min-height: 100vh; min-height: 100dvh; display: grid; place-items: center; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--gutter);
        margin-bottom: var(--gutter); }
.login { width: 100%; max-width: 380px; }
.head { display: flex; flex-direction: column; gap: 12px; margin-bottom: var(--gutter); }
.head h1 { margin: 0; }
.head form button { width: 100%; }
.grid2 { display: grid; gap: var(--gutter); }
.grid2 > .card { margin: 0; }
.stack-sm { display: flex; flex-direction: column; gap: 8px; }
.stack-sm form, .stack-sm button { width: 100%; margin: 0; }

.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: var(--gutter); }
.stat { display: block; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; }
.stat b { display: block; font-size: 24px; line-height: 1.2; }
.stat span { color: var(--muted); font-size: 13px; }

/* ---------- Formulare (16px verhindert Zoom auf iOS) */
label { display: block; margin-bottom: 14px; font-size: 14px; color: var(--muted); }
label input:not([type=checkbox]) { display: block; width: 100%; margin-top: 6px; }
label.check { display: flex; gap: 12px; align-items: flex-start; color: var(--text); font-size: 15px; min-height: var(--tap); }
label.check input { margin-top: 3px; }
input { font: inherit; font-size: 16px; min-height: var(--tap); padding: 8px 12px; border: 1px solid var(--border);
        border-radius: 8px; background: var(--bg); color: var(--text); max-width: 100%; }
input[type=checkbox] { width: 22px; height: 22px; min-height: 0; flex: none; accent-color: var(--accent); }
button { font: inherit; font-size: 16px; min-height: var(--tap); padding: 8px 18px; border-radius: 8px;
         border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer;
         touch-action: manipulation; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
button.danger { color: var(--err); }
button.link { border: 0; background: none; color: var(--accent); padding: 0; }
button:disabled { opacity: .5; cursor: not-allowed; }
form.card > button.primary { width: 100%; }
details { margin-bottom: 14px; }
summary { cursor: pointer; min-height: var(--tap); display: flex; align-items: center; gap: 6px; }

/* ---------- Listen statt Tabellen */
.list { list-style: none; margin: 0; padding: 0; }
.list > li { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); min-height: var(--tap); }
.list > li:last-child { border-bottom: 0; }
.list .grow { flex: 1; min-width: 0; }
.list .sub { display: block; font-size: 13px; color: var(--muted); }
.list .title { display: block; overflow-wrap: anywhere; }
.list a.row-link { display: flex; align-items: center; gap: 12px; color: var(--text); flex: 1; min-width: 0; }
.icon { flex: none; width: 24px; text-align: center; }
.dl { flex: none; width: var(--tap); height: var(--tap); display: grid; place-items: center; border-radius: 8px; }
.empty { color: var(--muted); padding: 8px 0; }

.flash { padding: 12px 14px; border-radius: 10px; margin-bottom: var(--gutter); border: 1px solid; overflow-wrap: anywhere; }
.flash.ok { color: var(--ok); border-color: currentColor; }
.flash.error { color: var(--err); border-color: currentColor; }
.badge { font-size: 12px; padding: 2px 10px; border-radius: 99px; border: 1px solid var(--border); color: var(--muted);
         font-weight: 500; white-space: nowrap; }
.badge.ok { color: var(--ok); border-color: currentColor; }
.badge.warn, .badge.running { color: var(--warn); border-color: currentColor; }
.badge.error { color: var(--err); border-color: currentColor; }
.log { background: var(--code-bg); color: var(--code-text); padding: 12px; border-radius: 8px; max-height: 260px;
       overflow: auto; font-size: 12px; margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.crumbs { display: flex; gap: 6px; overflow-x: auto; white-space: nowrap; margin: 0 calc(-1 * var(--gutter)) 12px;
          padding: 0 var(--gutter) 4px; color: var(--muted); scrollbar-width: none; }
.crumbs a { flex: none; }
.device { border: 1px dashed var(--accent); border-radius: 10px; padding: 12px 16px; margin: 14px 0; overflow-wrap: anywhere; }
.code { font: 600 26px ui-monospace, monospace; letter-spacing: 3px; margin: 4px 0; }

/* Benutzer */
.user-card { border-bottom: 1px solid var(--border); padding: 12px 0; }
.user-card:last-child { border-bottom: 0; }
.user-card .user-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 8px; }
.user-card form.update { display: flex; flex-direction: column; gap: 8px; }
.user-card form.update input[type=password] { width: 100%; }

/* OneNote */
.pages { list-style: none; padding: 0; margin: 0; }
.pages li a { display: flex; align-items: center; min-height: var(--tap); padding: 4px 8px; border-radius: 8px; color: var(--text); }
.pages .lvl1 a { padding-left: 24px; }
.pages .lvl2 a { padding-left: 40px; }
.pages .current a { font-weight: 700; background: var(--bg); }
.pages .date { margin-left: auto; padding-left: 8px; font-size: 12px; color: var(--muted); white-space: nowrap; }
.notebook details { border-top: 1px solid var(--border); margin: 0; }
.reader { display: flex; flex-direction: column; gap: 12px; }
.reader .toc { margin: 0; padding: 4px var(--gutter); }
.reader .toc details { margin: 0; }
.reader .toc .pages { max-height: 50vh; overflow: auto; padding-bottom: 8px; }
.page { padding: 0; overflow: hidden; margin: 0; }
.page-head { padding: 12px var(--gutter); border-bottom: 1px solid var(--border); }
.page-head h1 { margin: 0 0 2px; font-size: 19px; overflow-wrap: anywhere; }
.page-head .muted { font-size: 13px; }
iframe.content { width: 100%; height: calc(100vh - 220px); height: calc(100dvh - 220px); min-height: 360px; border: 0;
                 background: #fff; display: block; }
main.wide { padding-left: 0; padding-right: 0; }
main.wide > .crumbs { margin-left: 0; margin-right: 0; }
main.wide .card { border-radius: 0; border-left: 0; border-right: 0; }

/* ---------- Tablet */
@media (min-width: 600px) {
  :root { --gutter: 20px; }
  h1 { font-size: 24px; }
  .stats { grid-template-columns: repeat(4, 1fr); gap: 16px; }
  .stat { padding: 16px 20px; }
  .stat b { font-size: 26px; }
  .head { flex-direction: row; justify-content: space-between; align-items: center; }
  .head form button { width: auto; }
  .stack-sm { flex-direction: row; flex-wrap: wrap; }
  .stack-sm form, .stack-sm button { width: auto; }
  form.card > button.primary { width: auto; }
  .user-card form.update { flex-direction: row; align-items: center; }
  .user-card form.update input[type=password] { flex: 1; width: auto; }
  main.wide { padding-left: var(--gutter); padding-right: var(--gutter); }
  main.wide .card { border-radius: var(--radius); border-left: 1px solid var(--border); border-right: 1px solid var(--border); }
}

/* ---------- Desktop */
@media (min-width: 960px) {
  body { font-size: 15px; }
  .top { padding-top: 0; }
  .top-inner { display: flex; align-items: center; gap: 24px; padding: 0 24px; }
  .top-bar { padding: 0; height: 60px; }
  .menu-btn { display: none; }
  .nav, .top.open .nav { display: flex; flex-direction: row; align-items: center; flex: 1; border: 0; padding: 0; gap: 2px; }
  .nav a { min-height: 36px; font-size: 15px; }
  .nav a:hover { background: var(--bg); }
  .nav .me { flex-direction: row; margin: 0 0 0 auto; padding: 0; border: 0; gap: 4px; align-items: center; }
  .nav .me button.link { min-height: 36px; padding: 0 12px; font-size: 15px; }
  main { padding: 28px 24px; }
  .grid2 { grid-template-columns: 1fr 1fr; gap: 20px; }
  .log { max-height: 320px; }
  a:hover { text-decoration: underline; }
  button:hover { border-color: var(--accent); }
  .list > li { min-height: 0; padding: 8px 0; }
  .pages li a { min-height: 34px; }
  .reader { display: grid; grid-template-columns: 300px 1fr; gap: 16px; }
  .reader .toc { padding: 12px; position: sticky; top: 76px; max-height: calc(100vh - 100px); overflow: auto; }
  .reader .toc summary { display: none; }
  .reader .toc .pages { max-height: none; }
  iframe.content { height: calc(100vh - 190px); }
}
#log-box { margin: 0; }