/* MeinKIChat – Admin & Installer */
:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --text: #13202b;
  --muted: #5d6b78;
  --border: #dde3e9;
  --primary: #0f766e;
  --primary-dark: #0b5952;
  --primary-soft: #e6f4f2;
  --danger: #b42318;
  --danger-soft: #fdecea;
  --warn: #9a6700;
  --warn-soft: #fff6db;
  --ok: #157f3c;
  --ok-soft: #e7f6ec;
  --info-soft: #e8f1fb;
  --sidebar: #12212e;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 15px/1.5 var(--font); color: var(--text); background: var(--bg); }
a { color: var(--primary); }
a:hover { color: var(--primary-dark); }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .75rem; }
h1 { font-size: 1.35rem; }
h2 { font-size: 1.1rem; }
code, pre { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .88em; }
code { background: #eef1f4; padding: .1em .35em; border-radius: 4px; }
hr { border: 0; border-top: 1px solid var(--border); margin: 1.25rem 0; }
:focus-visible { outline: 3px solid #5fb3ab; outline-offset: 2px; }

.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }
.right { text-align: right; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.nowrap { white-space: nowrap; }

/* Brand */
.brand { display: inline-flex; align-items: center; gap: .55rem; font-weight: 700; font-size: 1.1rem; color: inherit; text-decoration: none; }
.brand-mark { display: inline-grid; place-items: center; width: 2rem; height: 2rem; border-radius: 8px; background: var(--primary); color: #fff; font-weight: 800; }
.brand-lg { font-size: 1.5rem; }
.brand-lg .brand-mark { width: 2.5rem; height: 2.5rem; font-size: 1.3rem; }

/* Shell */
.shell { display: flex; min-height: 100vh; }
.sidebar { width: 240px; flex-shrink: 0; background: var(--sidebar); color: #cfd9e2; padding: 1.25rem 1rem; }
.sidebar .brand { color: #fff; margin-bottom: 1.5rem; }
.sidebar nav { display: flex; flex-direction: column; gap: .15rem; }
.sidebar nav a, .nav-disabled { display: block; padding: .55rem .75rem; border-radius: 8px; color: #cfd9e2; text-decoration: none; }
.sidebar nav a:hover { background: rgba(255, 255, 255, .07); color: #fff; }
.sidebar nav a.active { background: var(--primary); color: #fff; }
.nav-section { margin: 1.25rem .75rem .35rem; font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: #7d8d9b; }
.nav-disabled { color: #6c7c8a; cursor: default; font-size: .92rem; padding-top: .35rem; padding-bottom: .35rem; }
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; gap: 1rem; padding: .85rem 1.5rem; background: var(--surface); border-bottom: 1px solid var(--border); }
.topbar h1 { margin: 0; flex: 1; }
.topbar-user { display: flex; align-items: center; gap: .75rem; }
.topbar-user form { margin: 0; }
.menu-toggle { display: none; }
.content { padding: 1.5rem; max-width: 1200px; width: 100%; }

/* Cards & layout */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.25rem 1.4rem; margin-bottom: 1.25rem; }
.card.highlight { border-color: #9fd3cd; background: var(--primary-soft); }
.danger-zone { border-color: #f1c0bb; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1.25rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 1.25rem; }
.content > .grid-2 { gap: 1.25rem; }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem 1rem; margin-bottom: 1rem; }
.toolbar p { margin: 0; max-width: 680px; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1rem; margin-bottom: 1.25rem; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.1rem; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.stat-value { font-size: 1.75rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat-label { color: var(--muted); font-size: .88rem; }

/* Tables */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: .6rem .5rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.table thead th { font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.table tbody tr:last-child td, .table tbody tr:last-child th { border-bottom: 0; }
.table th.num, .table td.num { text-align: right; }
.card .table { margin: -.25rem 0; }
.card { overflow-x: auto; }

/* Badges & alerts */
.badge { display: inline-block; padding: .15rem .55rem; border-radius: 999px; font-size: .8rem; font-weight: 600; background: #eef1f4; color: var(--muted); }
.badge-ok { background: var(--ok-soft); color: var(--ok); }
.badge-error { background: var(--danger-soft); color: var(--danger); }
.badge-warn { background: var(--warn-soft); color: var(--warn); }
.alert { padding: .75rem 1rem; border-radius: 8px; margin-bottom: 1rem; border: 1px solid transparent; }
.alert-success { background: var(--ok-soft); color: var(--ok); border-color: #b9e3c7; }
.alert-error { background: var(--danger-soft); color: var(--danger); border-color: #f1c0bb; }
.alert-info { background: var(--info-soft); color: #1f4f82; border-color: #c4dbf3; }

/* Forms */
.form label { display: block; margin-bottom: 1rem; font-weight: 600; font-size: .92rem; }
.form label small { display: block; font-weight: 400; color: var(--muted); margin-top: .3rem; }
input, select, textarea { display: block; width: 100%; margin-top: .35rem; padding: .6rem .7rem; font: inherit; font-weight: 400; color: var(--text); background: #fff; border: 1px solid #c5ced7; border-radius: 8px; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); outline: 3px solid rgba(15, 118, 110, .18); outline-offset: 0; }
input[type="color"] { height: 2.6rem; padding: .25rem; }
textarea { resize: vertical; }
.form label.check { display: flex; align-items: center; gap: .6rem; font-weight: 500; }
.check input { width: auto; margin: 0; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: flex-end; margin-top: .5rem; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; padding: .55rem 1rem; font: inherit; font-weight: 600; border-radius: 8px; border: 1px solid #c5ced7; background: #fff; color: var(--text); text-decoration: none; cursor: pointer; }
.btn:hover { background: #f1f4f7; color: var(--text); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: #8f1c13; color: #fff; }
.btn-sm { padding: .3rem .7rem; font-size: .85rem; }
.btn-block { width: 100%; }
.btn-icon { padding: .35rem .6rem; font-size: 1.1rem; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* Code copy */
.code-copy { display: flex; gap: .75rem; align-items: flex-start; }
.code-copy pre { flex: 1; margin: 0; padding: .8rem 1rem; background: #0f1b26; color: #d6f5ef; border-radius: 8px; white-space: pre-wrap; word-break: break-all; }

/* Plain pages: installer, login, landing */
body.plain { min-height: 100vh; }
.install { max-width: 720px; margin: 0 auto; padding: 2.5rem 1rem; }
.install.narrow { max-width: 440px; }
.install-head { text-align: center; margin-bottom: 1.5rem; }
.install-head p { margin: .5rem 0 0; }
.steps { display: flex; list-style: none; padding: 0; margin: 0 0 1.25rem; gap: .5rem; counter-reset: step; }
.steps li { flex: 1; text-align: center; padding: .5rem; border-radius: 8px; background: #e7ebef; color: var(--muted); font-size: .85rem; font-weight: 600; }
.steps li.active { background: var(--primary); color: #fff; }

.landing { max-width: 760px; margin: 0 auto; padding: 4rem 1rem; }
.landing h1 { font-size: 2.1rem; margin: 2rem 0 1rem; }
.lead { font-size: 1.15rem; color: var(--muted); }
.features { list-style: none; padding: 0; display: grid; gap: .75rem; margin: 2rem 0; }
.features li { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.2rem; }
.features strong { display: block; }

/* Filter & Pagination */
.filter-bar { display: flex; flex-wrap: wrap; align-items: flex-end; gap: .75rem 1rem; }
.filter-bar label { margin: 0; min-width: 200px; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-top: 1rem; }

/* Gesprächsverlauf */
.transcript { display: flex; flex-direction: column; gap: .75rem; }
.msg { max-width: 75%; padding: .6rem .85rem; border-radius: 12px; background: #eef1f4; }
.msg-visitor { align-self: flex-end; background: var(--primary-soft); }
.msg-agent { background: var(--info-soft); }
.msg-system { align-self: center; background: transparent; border: 1px dashed var(--border); font-size: .9rem; }
.msg-meta { font-size: .78rem; color: var(--muted); margin-bottom: .25rem; }
.msg-text { overflow-wrap: anywhere; }
.msg-source { font-size: .78rem; color: var(--muted); margin-top: .35rem; }

/* Wissensbasis */
.kb-head { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.5rem; margin-bottom: 1.25rem; }
.kb-bot { display: flex; align-items: center; gap: .5rem; margin: 0; }
.kb-bot select { margin: 0; width: auto; min-width: 220px; }
.tabs { display: flex; flex-wrap: wrap; gap: .25rem; border-bottom: 1px solid var(--border); flex: 1; }
.tabs a { padding: .5rem .85rem; color: var(--muted); text-decoration: none; border-bottom: 2px solid transparent; margin-bottom: -1px; font-weight: 600; }
.tabs a:hover { color: var(--text); }
.tabs a.active { color: var(--primary); border-bottom-color: var(--primary); }
.tabs-sm { flex: 0 1 auto; margin-bottom: .75rem; }
.tabs-sm a { padding: .35rem .7rem; font-size: .9rem; }
.inline-form { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.inline-form input:not([type="hidden"]) { flex: 1; min-width: 200px; margin: 0; }
.inline-form select { width: auto; margin: 0; max-width: 260px; }
.inline-form.compact input, .inline-form.compact select { min-width: 0; font-size: .85rem; padding: .3rem .5rem; }
.input-narrow { width: 90px !important; flex: 0 0 90px !important; min-width: 0 !important; }
.table td input { margin: 0; }
form.inline { display: inline; margin: 0; }
.filter-inline { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin: 0; }
.filter-inline input, .filter-inline select { width: auto; margin: 0; }
.bulk-bar { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-top: 1rem; }
.bulk-bar select { width: auto; margin: 0; }
.test-result { margin-top: 1rem; padding: .85rem 1rem; border-radius: 8px; border: 1px solid var(--border); background: #fafbfc; }
.test-result p { margin: 0 0 .4rem; }
.test-direct { border-color: #b9e3c7; background: var(--ok-soft); }
.test-careful { border-color: #f0dc9c; background: var(--warn-soft); }
.test-fallback { border-color: #f1c0bb; background: var(--danger-soft); }
.test-answer { margin: .5rem 0; padding: .6rem .8rem; background: #fff; border-radius: 8px; }
.unanswered-actions { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; }
.version-body { margin-top: .4rem; padding: .5rem; background: #fafbfc; border-radius: 6px; }
details summary { cursor: pointer; }
textarea.mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .9rem; }
.chunk-list { margin: 0; padding-left: 1.25rem; display: grid; gap: .6rem; }

/* Responsive */
@media (max-width: 900px) {
  .sidebar { position: fixed; inset: 0 auto 0 0; z-index: 50; transform: translateX(-100%); transition: transform .2s ease; overflow-y: auto; }
  .sidebar.open { transform: none; box-shadow: 0 0 0 100vmax rgba(0, 0, 0, .35); }
  .menu-toggle { display: inline-flex; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .content { padding: 1rem; }
  .topbar { padding: .75rem 1rem; }
  .topbar-user .muted { display: none; }
}
@media (max-width: 560px) {
  .topbar-user a { display: none; }
  .code-copy { flex-direction: column; }
  .steps li { font-size: .75rem; padding: .4rem .2rem; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}