:root {
    --bg: #f3f5f9; --card: #ffffff; --text: #1d2330; --muted: #5d6677; --line: #dde1e8;
    --accent: #2457d6; --accent-soft: #e8eefc; --on-accent: #ffffff;
    --ok: #1f8a4c; --ok-soft: #e3f5ea; --err: #a32020; --err-soft: #fde8e8;
    --warn: #7a5600; --warn-soft: #fff4d6; --warn-line: #e8a400;
    --radius: 14px;
    color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #12151c; --card: #1c212b; --text: #e8ebf1; --muted: #9aa3b4; --line: #2e3542;
        --accent: #6d95ff; --accent-soft: #233257; --on-accent: #0d1530;
        --ok: #5fd08f; --ok-soft: #173826; --err: #ff8b8b; --err-soft: #3d1c1c;
        --warn: #ffd27a; --warn-soft: #3a2f12; --warn-line: #c08a00;
    }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: "Segoe UI", system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); line-height: 1.45; }
main { max-width: 640px; margin: 0 auto; padding: 16px 16px calc(32px + env(safe-area-inset-bottom)); }
a { color: var(--accent); }
h1 { font-size: 1.5rem; margin: 0; line-height: 1.2; }
h2 { font-size: 1.15rem; margin: 0 0 4px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 16px; margin: 0 0 14px; }
.card.empty { text-align: center; padding: 32px 20px; color: var(--muted); }
.card.empty h1 { color: var(--text); margin-bottom: 8px; }
.card.missing { border-color: var(--err); box-shadow: 0 0 0 1px var(--err); }
.msg { padding: 12px 16px; border-radius: 10px; margin: 0 0 14px; }
.msg.ok { background: var(--ok-soft); color: var(--ok); }
.msg.err { background: var(--err-soft); color: var(--err); }

/* Kopf */
header.top { display: flex; align-items: center; gap: 14px; margin: 4px 0 16px; }
header.top .logo { flex: none; display: block; background: #fff; border-radius: 10px; padding: 6px; }
header.top .logo img { display: block; max-height: 48px; max-width: 120px; }
.kicker { margin: 0 0 2px; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }

nav.switch { display: grid; grid-template-columns: 1fr 1fr; background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 4px; margin: 0 0 16px; position: sticky; top: 8px; z-index: 5; box-shadow: 0 2px 10px rgba(0,0,0,.06); }
nav.switch a { text-align: center; padding: 10px 8px; border-radius: 999px; font-weight: 600; text-decoration: none; color: var(--muted); }
nav.switch a.active { background: var(--accent); color: var(--on-accent); }

/* Formular */
.step { display: block; font-size: 1.1rem; font-weight: 700; margin: 0 0 10px; }
.scale-hint { color: var(--muted); font-size: .9rem; margin: -6px 0 14px; }
select, input[type=text], textarea {
    width: 100%; font: inherit; font-size: 1rem; color: var(--text); background: var(--bg);
    border: 1px solid var(--line); border-radius: 10px; padding: 12px;
}
select { appearance: none; -webkit-appearance: none; padding-right: 40px;
    background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
    background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; }
select:focus, input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
textarea { resize: vertical; min-height: 110px; }
.field { display: block; font-weight: 600; margin: 14px 0 6px; }
.field:first-child { margin-top: 0; }
.opt { font-weight: 400; font-size: .85rem; color: var(--muted); }
.req { font-weight: 600; font-size: .75rem; color: var(--accent); text-transform: uppercase; letter-spacing: .04em; }
.note { color: var(--muted); font-size: .85rem; margin: 6px 0 0; }

.picked { margin-top: 12px; padding: 12px 14px; border-radius: 10px; background: var(--accent-soft); }
.picked span { display: block; }
.picked .t { font-weight: 700; }
.picked .s { margin-top: 2px; }
.picked .m { color: var(--muted); font-size: .88rem; margin-top: 4px; }
.picked .again { margin-top: 8px; font-size: .88rem; color: var(--warn); }
.picked[hidden], .picked .again[hidden] { display: none; }

/* Notenskala: fünf große Tasten */
fieldset.rate { border: 0; margin: 0; padding: 12px 0 14px; border-top: 1px solid var(--line); min-width: 0; }
fieldset.rate:first-of-type { border-top: 0; padding-top: 0; }
fieldset.rate legend { float: left; width: 100%; padding: 0; margin-bottom: 8px; font-weight: 600; }
fieldset.rate legend + * { clear: both; }
fieldset.rate.missing legend { color: var(--err); }
fieldset.rate.missing .scale label { border-color: var(--err); }
.scale { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.scale input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.scale label {
    display: flex; align-items: center; justify-content: center; min-height: 48px;
    border: 1px solid var(--line); border-radius: 10px; background: var(--bg);
    font-size: 1.15rem; font-weight: 700; cursor: pointer; user-select: none; -webkit-tap-highlight-color: transparent;
    transition: background .12s, border-color .12s, transform .08s;
}
.scale label:active { transform: scale(.96); }
.scale input:focus-visible + label { outline: 2px solid var(--accent); outline-offset: 2px; }
.scale input:checked + label { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
@media (hover: hover) { .scale label:hover { border-color: var(--accent); } }

.submitbar { position: sticky; bottom: 0; padding: 12px 0 calc(12px + env(safe-area-inset-bottom)); background: linear-gradient(transparent, var(--bg) 30%); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; background: var(--accent); color: var(--on-accent); border: 1px solid var(--accent); border-radius: 10px; padding: 10px 18px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .6; cursor: default; }
.btn.big { width: 100%; padding: 15px; font-size: 1.1rem; border-radius: 12px; }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.danger { background: transparent; color: var(--err); border-color: var(--err); }
.btn.sm { padding: 4px 10px; font-size: .85rem; border-radius: 8px; }

.thanks { text-align: center; padding: 32px 20px; }
.thanks .check { width: 64px; height: 64px; margin: 0 auto 12px; border-radius: 50%; background: var(--ok-soft); color: var(--ok); font-size: 2rem; display: flex; align-items: center; justify-content: center; }
.thanks .actions { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }

.hp { display: none !important; }
.note.privacy { font-size: .8rem; margin: 12px 4px 0; }
.site-foot { margin-top: 24px; text-align: center; font-size: .92rem; }

@media (min-width: 600px) {
    main { padding-top: 32px; }
    .card { padding: 22px 24px; }
    h1 { font-size: 1.8rem; }
    .thanks .actions { flex-direction: row; justify-content: center; }
}

/* ===== Admin ===== */
body.admin main { max-width: 1100px; }
body.admin h1 { margin-bottom: 4px; }
body.admin h2 { font-size: 1.2rem; margin: 28px 0 12px; }
.sub { color: var(--muted); margin: 0 0 16px; }
.stat { color: var(--muted); font-size: .9rem; }
.stat strong { color: var(--text); }
.nav { display: flex; gap: 6px 16px; flex-wrap: wrap; align-items: center; margin: 0 0 18px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.nav a { text-decoration: none; font-weight: 600; padding: 4px 0; }
.nav a.active { color: var(--text); border-bottom: 2px solid var(--accent); }
.nav .spacer { flex: 1; }
form.inline { display: inline; margin: 0; }
.ask { max-width: 420px; }
.ask label { display: block; font-weight: 600; margin-bottom: 8px; }
.ask .row { display: flex; gap: 8px; }
.ask input { flex: 1; min-width: 0; padding: 10px 12px; font-size: 1rem; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--text); }

.tablewrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); margin: 0 0 14px; }
table.grid { width: 100%; border-collapse: collapse; }
table.grid th { text-align: left; font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); padding: 9px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.grid td { padding: 10px 12px; border-top: 1px solid var(--line); vertical-align: top; }
table.grid tr:first-child td { border-top: 0; }
table.grid td.num, table.grid th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
table.grid tr.active td { background: var(--ok-soft); }
table.grid td .t { font-weight: 600; display: block; }
table.grid td small { color: var(--muted); display: block; }
table.grid td.actions { white-space: nowrap; text-align: right; }
table.grid td.actions form { display: inline; }
table.grid td.low { color: var(--err); font-weight: 600; }
table.grid td.high { color: var(--ok); font-weight: 600; }
.tag { display: inline-block; font-size: .75rem; font-weight: 700; padding: 1px 9px; border-radius: 999px; background: var(--line); color: var(--muted); }
.tag.on { background: var(--ok); color: #fff; }
.tag.open { background: var(--accent); color: var(--on-accent); }
.thumb { display: inline-block; background: #fff; border-radius: 6px; padding: 3px; border: 1px solid var(--line); }
.thumb img { display: block; max-height: 32px; max-width: 90px; }

.editor { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
.editor .full { grid-column: 1 / -1; }
.editor label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 4px; }
.editor input, .editor select { width: 100%; font: inherit; padding: 9px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); }
.editor .help { color: var(--muted); font-size: .82rem; margin-top: 3px; }
.editor .buttons { grid-column: 1 / -1; display: flex; gap: 8px; flex-wrap: wrap; }
@media (max-width: 640px) { .editor { grid-template-columns: 1fr; } }

details.comments summary { cursor: pointer; color: var(--accent); font-size: .88rem; }
details.comments ul { margin: 8px 0 0; padding-left: 18px; }
details.comments li { margin: 6px 0; white-space: pre-wrap; }
details.comments li small { display: inline; }
.kpis { display: flex; gap: 12px; flex-wrap: wrap; margin: 0 0 14px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; min-width: 130px; }
.kpi b { display: block; font-size: 1.5rem; font-variant-numeric: tabular-nums; }
.kpi span { color: var(--muted); font-size: .85rem; }
code.link { font-size: .8rem; word-break: break-all; }

/* ===== QR-Seite ===== */
body.qrpage main { max-width: 960px; }
/* Karten nebeneinander, umbrechen, wenn der Platz nicht reicht */
.qrrow { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin: 0 0 14px; }
.qrrow:empty { display: none; }
.qrrow .qrcard { margin: 0; display: flex; flex-direction: column; }
.qrcard h2 { margin-bottom: 2px; }
.qrrow .qrcard h2 { font-size: 1rem; }
.qrcard .meta { color: var(--muted); font-size: .9rem; margin: 0; }
.qrcard .qr { background: #fff; border-radius: 10px; padding: 6px; margin: 12px auto 4px; width: 100%; max-width: 150px; }
/* QR-Codes in einer Reihe auf gleicher Höhe (unten); der transparente Rand hält Abstand zum Titel */
.qrrow .qrcard .qr { margin: auto auto 4px; border-top: 12px solid transparent; background-clip: padding-box; box-sizing: content-box; max-width: 138px; }
.qrcard .qr svg { display: block; width: 100%; height: auto; }
.qrcard .qrlink { text-align: center; font-size: .82rem; word-break: break-all; margin: 4px 0; }
.qrcard .qrlink a { color: var(--muted); }
.qrcard p.noprint { text-align: center; margin: 6px 0 0; }
.picker .step { margin-bottom: 8px; }
.picker .zipbar { margin: 12px 0 0; }
@media print {
    :root { --bg: #fff; --card: #fff; --text: #000; --muted: #444; --line: #ccc; }
    body { background: #fff; }
    .noprint, .picker select, .picker .note { display: none !important; }
    .qrcard { break-inside: avoid; page-break-inside: avoid; border: 1px solid #ccc; }
}
/* ===== Bewertungsseite: schon bewertet / Admin: ausgeblendete Kommentare, Sprecher-Links ===== */
.msg.info { background: var(--accent-soft); color: var(--text); }
.picked .update { margin-top: 8px; font-size: .88rem; color: var(--warn); font-weight: 600; }
.picked .update[hidden] { display: none; }
details.comments li.hiddencomment { color: var(--muted); opacity: .75; }
details.comments li form.inline .btn { padding: 1px 8px; font-size: .75rem; }
form.linkrow { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }

/* ===== Sprecher-Auswertung (Speaker.aspx) ===== */
body.report main { max-width: 760px; }
.spk-session .meta { color: var(--muted); font-size: .9rem; margin: 0 0 8px; }
.spk-count { margin: 0 0 6px; }
.spk-actions { margin: 0 0 12px; text-align: right; }
.spk-criteria { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px 20px; margin: 12px 0 8px; }
.spk-crit { border-top: 1px solid var(--line); padding-top: 10px; break-inside: avoid; page-break-inside: avoid; }
.spk-crit h3, .spk-comments-title { font-size: .95rem; margin: 0 0 6px; }
.spk-bar { display: grid; grid-template-columns: 48px 1fr 40px; align-items: center; gap: 8px; margin: 3px 0; font-size: .85rem; }
.spk-bar .lbl { color: var(--muted); }
.spk-bar .val { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
.spk-bar .track { height: 12px; border-radius: 6px; background: var(--line); overflow: hidden; }
.spk-bar .fill { display: block; height: 100%; border-radius: 6px; background: var(--accent); }
.spk-bar.event .fill { background: var(--muted); }
.spk-dist { display: flex; gap: 6px; align-items: flex-end; margin: 8px 0 0; }
.spk-dist .col { flex: 1; display: flex; flex-direction: column; align-items: center; font-size: .75rem; }
.spk-dist .bar { display: flex; align-items: flex-end; width: 100%; max-width: 34px; height: 44px; background: var(--bg); border-radius: 4px 4px 0 0; }
.spk-dist .bar span { display: block; width: 100%; background: var(--accent); border-radius: 4px 4px 0 0; min-height: 0; }
.spk-dist .n { font-variant-numeric: tabular-nums; color: var(--muted); }
.spk-dist .k { font-weight: 600; }
.spk-comments { margin: 0; padding-left: 18px; }
.spk-comments li { margin: 6px 0; white-space: pre-wrap; }
@media print {
    body.report main { max-width: none; padding: 0; }
    body.report .card { border: 0; padding: 0; }
    .spk-session { break-before: page; page-break-before: always; }
    .spk-session:first-of-type { break-before: auto; page-break-before: auto; }
    .spk-bar .track, .spk-bar .fill, .spk-dist .bar, .spk-dist .bar span { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .spk-bar .fill, .spk-dist .bar span { background: #2457d6 !important; }
    .spk-bar.event .fill { background: #888 !important; }
    .spk-bar .track { background: #e6e6e6 !important; }
    .spk-dist .bar { background: #f2f2f2 !important; }
}

/* ===== Sprecherliste (SpeakerList.aspx) ===== */
body.speakerlist main { max-width: 1400px; }
.feedbar { gap: 8px 12px; }
.feedbar .copied:empty { display: none; }
.feedbar .copied { color: var(--ok); font-weight: 600; }
body.speakerlist table.grid td.link { word-break: break-all; min-width: 180px; font-size: .88rem; }
label.check { display: flex; gap: 6px; align-items: center; font-weight: normal; margin-top: 6px; }