/* ÁTHLON – Oberfläche. Hell/dunkel nach Systemeinstellung, mobil zuerst. */
:root {
  --bg: #f6f7f9; --card: #fff; --fg: #1b1f24; --muted: #667080; --line: #e3e6eb;
  --accent: #1f6feb; --ok: #1a7f37; --warn: #b26b00; --bad: #c62828; --low: #1a7f37;
  --radius: 12px; --shadow: 0 1px 2px rgb(0 0 0 / 6%), 0 2px 8px rgb(0 0 0 / 4%);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1216; --card: #171b21; --fg: #e6e9ee; --muted: #93a0b0; --line: #2a313a;
          --accent: #4c9aff; --ok: #3fb950; --warn: #d29922; --bad: #f85149; --low: #3fb950;
          --shadow: none; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg);
       font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.35rem; margin: 0 0 .25rem; }
h2 { font-size: 1.1rem; margin: 1.5rem 0 .6rem; }
.muted, .meta, .hint { color: var(--muted); }
.meta, .hint { font-size: .85rem; margin: .2rem 0; }

.top { display: flex; align-items: baseline; gap: .75rem; padding: .9rem clamp(1rem, 4vw, 2rem);
       background: var(--card); border-bottom: 1px solid var(--line); }
.brand { font-weight: 800; letter-spacing: .08em; color: var(--fg); font-size: 1.1rem; }
.tagline { color: var(--muted); font-size: .9rem; }
.usernav { margin-left: auto; display: flex; align-items: baseline; gap: .75rem; font-size: .9rem; }
.usernav form { margin: 0; }
.who { color: var(--muted); }
button.link { background: none; border: 0; padding: 0; color: var(--accent); font-weight: 500; }
.auth { max-width: 26rem; margin: 2rem auto; background: var(--card); padding: 1.5rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.auth h1 { margin-bottom: 1rem; }
.auth label { display: block; font-weight: 600; margin: .75rem 0 .3rem; }
.auth input { width: 100%; }
.auth button[type=submit] { width: 100%; margin-top: 1.1rem; }
.auth .err { color: var(--bad); margin: .5rem 0 0; }
.auth .small { font-size: .82rem; color: var(--muted); margin: .3rem 0 0; }
.divider { text-align: center; color: var(--muted); margin: 1rem 0; font-size: .85rem; }
main { max-width: 1200px; margin: 0 auto; padding: 1rem clamp(1rem, 4vw, 2rem) 3rem; }
footer { text-align: center; color: var(--muted); font-size: .8rem; padding: 1.5rem; }

.flash { background: color-mix(in srgb, var(--ok) 12%, var(--card)); border: 1px solid color-mix(in srgb, var(--ok) 35%, transparent);
         padding: .6rem .9rem; border-radius: var(--radius); }
.flash.bad { background: color-mix(in srgb, var(--bad) 10%, var(--card)); border-color: color-mix(in srgb, var(--bad) 35%, transparent); }

/* Formulare */
.add { background: var(--card); padding: 1rem; border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 1.25rem; }
.add label { font-weight: 600; display: block; margin-bottom: .4rem; }
.row { display: flex; gap: .5rem; flex-wrap: wrap; }
input[type=text], input[type=password], input[type=email] { flex: 1 1 18rem; min-width: 0; padding: .6rem .75rem; font: inherit; color: inherit;
                   background: var(--bg); border: 1px solid var(--line); border-radius: 8px; }
input[type=text]:focus-visible, input[type=password]:focus-visible, input[type=email]:focus-visible, select:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button { font: inherit; cursor: pointer; padding: .55rem 1rem; border-radius: 8px; border: 1px solid transparent;
         background: var(--accent); color: #fff; font-weight: 600; }
button.secondary { background: transparent; color: var(--accent); border-color: var(--line); }
button.danger { background: transparent; color: var(--bad); border-color: var(--line); }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .75rem; }
.actions form { margin: 0; }

/* Übersicht */
.list-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.cards { list-style: none; padding: 0; margin: .5rem 0 0; display: grid; gap: .9rem;
         grid-template-columns: repeat(auto-fill, minmax(min(100%, 22rem), 1fr)); }
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--line); }
.card.inactive { opacity: .6; }
.card-link { display: flex; gap: .9rem; padding: .9rem; color: inherit; height: 100%; }
.card-link:hover { text-decoration: none; }
.card-link:hover .title { color: var(--accent); }
.thumb { flex: 0 0 72px; height: 72px; background: #fff; border-radius: 8px; display: grid; place-items: center; overflow: hidden; }
.thumb img { max-width: 100%; max-height: 100%; object-fit: contain; }
.thumb.big { flex-basis: 160px; height: 160px; }
.card-body { min-width: 0; flex: 1; }
.title { font-size: .95rem; font-weight: 600; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2;
         -webkit-box-orient: vertical; overflow: hidden; }
.variant { color: var(--muted); font-size: .85rem; margin: .1rem 0 0; }
.best { display: flex; align-items: baseline; gap: .5rem; flex-wrap: wrap; margin: .35rem 0; }
.price { font-size: 1.3rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.badge { font-size: .72rem; font-weight: 700; padding: .1rem .45rem; border-radius: 999px; }
.badge.low { color: var(--low); background: color-mix(in srgb, var(--low) 14%, transparent); }
.trend { font-size: .82rem; font-variant-numeric: tabular-nums; }
.trend.down { color: var(--ok); } .trend.up { color: var(--bad); } .trend.flat { color: var(--muted); }
.prices { display: grid; grid-template-columns: repeat(auto-fill, minmax(9rem, 1fr)); gap: .15rem .75rem; margin: .3rem 0; font-size: .82rem; }
.prices div { display: flex; justify-content: space-between; gap: .5rem; }
.prices dt { color: var(--muted); white-space: nowrap; } .prices dd { margin: 0; font-variant-numeric: tabular-nums; white-space: nowrap; }
.dot { display: inline-block; width: .55rem; height: .55rem; border-radius: 50%; margin-right: .35rem; background: var(--muted); vertical-align: baseline; }
.dot.ok { background: var(--ok); } .dot.warn { background: var(--warn); } .dot.bad { background: var(--bad); }

/* Detail */
.back { margin: 0 0 .75rem; }
.head { display: flex; gap: 1.25rem; flex-wrap: wrap; background: var(--card); padding: 1rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.head > div:last-child { flex: 1 1 18rem; min-width: 0; }
.chart-section { background: var(--card); padding: 1rem; border-radius: var(--radius); box-shadow: var(--shadow); margin-top: 1.25rem; }
.chart-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.chart-head h2 { margin: 0; }
.ranges { display: flex; gap: .25rem; }
.ranges button { background: transparent; color: var(--fg); border: 1px solid var(--line); padding: .3rem .65rem; font-weight: 500; }
.ranges button.active { background: var(--accent); border-color: var(--accent); color: #fff; }
#chart { margin-top: .75rem; min-height: 360px; }
.chart-msg { padding: 2rem 0; text-align: center; }
.table-wrap { overflow-x: auto; background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); }
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td { text-align: left; padding: .5rem .75rem; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { color: var(--muted); font-weight: 600; font-size: .8rem; white-space: nowrap; }
td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.na td, tr.na th { color: var(--muted); }
.metrics { display: grid; grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr)); gap: .5rem; margin: 1rem 0 0; }
.metrics div { background: var(--card); padding: .6rem .8rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.metrics dt { color: var(--muted); font-size: .8rem; } .metrics dd { margin: 0; font-weight: 600; }

/* uPlot an Farbschema anpassen */
.uplot { font-family: inherit; color: var(--fg); }
.u-legend { font-size: .82rem; text-align: left; }
.u-legend .u-marker { border-radius: 2px; }
.u-legend tr { cursor: pointer; }
.u-legend .u-off > * { opacity: .35; }
.u-select { background: color-mix(in srgb, var(--accent) 15%, transparent); }

@media (max-width: 600px) {
  .thumb.big { flex-basis: 100%; height: 200px; }
  .prices-table th:nth-child(5), .prices-table td:nth-child(5),
  .prices-table th:nth-child(6), .prices-table td:nth-child(6) { display: none; }
}

/* Konto / Verwaltung */
.panel { background: var(--card); padding: 1rem; border-radius: var(--radius); box-shadow: var(--shadow); margin-top: 1.25rem; }
.panel h2 { margin-top: 0; }
.panel .table-wrap { box-shadow: none; border: 1px solid var(--line); margin: .5rem 0 .75rem; }
.panel.highlight { border: 2px solid var(--accent); }
.stack { display: grid; gap: .35rem; max-width: 26rem; }
.stack label { font-weight: 600; margin-top: .4rem; }
.stack button { justify-self: start; margin-top: .5rem; }
.small-btn { padding: .25rem .6rem; font-size: .82rem; }
.actions-cell { display: flex; gap: .35rem; flex-wrap: wrap; }
.actions-cell form { margin: 0; }
.passkey-add { margin-top: .5rem; }
.err { color: var(--bad); }
.small { font-size: .82rem; }
select { font: inherit; color: inherit; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: .55rem .6rem; }
input.copy { width: 100%; font-family: ui-monospace, monospace; font-size: .85rem; }
code { font-family: ui-monospace, monospace; font-size: .85em; background: var(--bg); padding: .05rem .3rem; border-radius: 4px; }
.usernav a { color: var(--fg); }
.usernav a.who { color: var(--muted); }

/* Alarme */
.alert-add { margin-top: .75rem; }
.alert-add input[type=text] { flex: 0 1 11rem; }
#email .row { margin-top: .75rem; }