/* ============================================================
   BTV UI — Basis + generische Komponenten
   Benötigt btv-tokens.css (Variablen). Reines CSS, framework-frei.
   Enthält nur breit wiederverwendbare Bausteine — projekt-
   spezifische Teile (Stepper, Tabs, Fortschrittsbalken …) gehören
   ins jeweilige Projekt und nutzen dieselben Tokens.
   ============================================================ */

/* ---- Reset / Base ---- */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;min-height:100vh;color:var(--ink);
  background:
    radial-gradient(900px 520px at 100% -8%, rgba(23,112,184,.12), transparent 58%),
    radial-gradient(720px 460px at -6% 3%, rgba(227,0,11,.06), transparent 52%),
    radial-gradient(1100px 760px at 50% 116%, rgba(89,137,199,.10), transparent 60%),
    var(--bg);
  font:16px/1.65 var(--font-body);letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
/* feine Brand-Punktetextur, nach unten ausgeblendet — Tiefe ohne Unruhe */
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:radial-gradient(rgba(23,112,184,.05) 1px, transparent 1.4px);
  background-size:24px 24px;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 72%);
          mask-image:linear-gradient(180deg,#000,transparent 72%)}
a{color:var(--blue);text-decoration:none;transition:color .15s}
a:hover{color:var(--blue-d)}
h1,h2,h3{font-family:var(--font-head);color:var(--blue);letter-spacing:.012em}
h1{font-size:clamp(1.6rem,1.1rem + 1.8vw,2.2rem);line-height:1.16;margin:.1em 0 .5em;font-weight:700}
h2{font-size:1.3rem;margin:0 0 .6em;font-weight:700}
h3{font-size:1.02rem;margin:1.1em 0 .35em;font-weight:700;color:var(--ink)}
p{margin:.5em 0}
ul{padding-left:1.2rem}
ul li{margin:.28rem 0}
.muted{color:var(--muted)}
/* UXC-06: Feld-Hilfetext („Warum fragen wir das?") — sitzt direkt unter dem
   Eingabefeld und ist per aria-describedby daran gebunden. Bewusst dauerhaft
   sichtbar statt Placeholder/Tooltip: Der Hinweis wird gebraucht, während
   getippt wird. UXC-04: derselbe ruhige Ton für den Pausieren-Hinweis. */
.feld-hilfe{color:var(--muted);font-size:.85rem;margin:-.4rem 0 .9rem;line-height:1.45}
.pausieren{margin-top:1.2rem;font-size:.85rem}
::selection{background:var(--blue-20);color:var(--blue-d)}
*::-webkit-scrollbar{height:11px;width:11px}
*::-webkit-scrollbar-thumb{background:#c3d2e6;border-radius:20px;border:2.5px solid transparent;background-clip:content-box}
*::-webkit-scrollbar-thumb:hover{background:#a8bdda;background-clip:content-box}

/* ---- Header (Logo laut CD ausschließlich auf weißer Fläche, oben, mit Schutzraum) ---- */
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;
  gap:1rem;flex-wrap:wrap;padding:.7rem 1.5rem;
  background:#fff;color:var(--ink);border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px -22px rgba(16,33,60,.7)}
.topbar::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:linear-gradient(90deg,var(--blue),var(--blue-l) 58%,var(--accent))}
.brand{display:flex;gap:.8rem;align-items:center}
.brand-logo{height:40px;width:auto;display:block;transition:transform .25s var(--ease)}
.brand:hover .brand-logo{transform:scale(1.03)}     /* nur Skalierung, nie verzerrt (CD) */
.brand-title{color:var(--blue);font-family:var(--font-head);font-weight:700;font-size:1.06rem;
  letter-spacing:.012em;padding-left:.8rem;border-left:1px solid var(--line)}
.topbar nav{display:flex;align-items:center;gap:.25rem;flex-wrap:wrap}
.topbar nav a{position:relative;color:var(--ink-soft);padding:.42rem .75rem;border-radius:9px;
  font-size:.92rem;font-weight:600;transition:background .18s var(--ease),color .18s}
.topbar nav a:hover{background:var(--blue-20);color:var(--blue-d)}
.topbar .who{color:var(--muted);font-size:.8rem;padding-left:.6rem;border-left:1px solid var(--line);margin-left:.25rem}

/* ---- Layout-Container ---- */
.wrap{max-width:940px;margin:2.2rem auto;padding:0 1.3rem}
.wrap.wide{max-width:1320px}
@media (min-width:1600px){ .wrap.wide{max-width:1480px} }
/* optionales gestaffeltes Einblenden der obersten Blöcke */
.wrap > *{animation:rise .55s var(--ease) both}
.wrap > *:nth-child(2){animation-delay:.05s}
.wrap > *:nth-child(3){animation-delay:.10s}
.wrap > *:nth-child(4){animation-delay:.15s}
.wrap > *:nth-child(5){animation-delay:.20s}
.wrap > *:nth-child(n+6){animation-delay:.24s}
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.foot{max-width:940px;margin:3rem auto 1.6rem;padding:1.3rem;color:var(--muted);font-size:.85rem;
  border-top:1px solid var(--line);display:flex;gap:.7rem;flex-wrap:wrap;align-items:center}

/* ---- Buttons ---- */
.btn-primary{display:inline-flex;align-items:center;gap:.5rem;background:linear-gradient(120deg,var(--blue),var(--blue-l));
  color:#fff;font-weight:700;padding:.74rem 1.4rem;border-radius:12px;border:0;cursor:pointer;font-size:1rem;
  letter-spacing:.01em;box-shadow:var(--shadow);transition:transform .18s var(--ease),box-shadow .18s,background .18s}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-blue);color:#fff}
.btn-primary:active{transform:translateY(0)}
/* Variante für dunkle/farbige Flächen (z. B. im Hero): weiß auf Blau */
.on-dark .btn-primary,.btn-primary.invert{background:#fff;color:var(--blue-d);box-shadow:0 10px 22px -10px rgba(0,0,0,.4)}
.on-dark .btn-primary:hover,.btn-primary.invert:hover{color:var(--blue-d);box-shadow:0 16px 30px -10px rgba(0,0,0,.45)}
.btn-secondary{display:inline-flex;align-items:center;gap:.45rem;padding:.62rem 1.15rem;border-radius:12px;
  font-weight:700;font-size:.95rem;border:1.5px solid var(--blue);color:var(--blue);background:#fff;cursor:pointer;
  transition:background .18s,color .18s,box-shadow .18s,transform .18s var(--ease)}
.btn-secondary:hover{background:var(--blue);color:#fff;box-shadow:var(--shadow-blue);transform:translateY(-1px)}
.btn-ghost{display:inline-flex;align-items:center;gap:.4rem;border:1.5px solid var(--blue);color:var(--blue);
  background:transparent;padding:.36rem .85rem;border-radius:10px;font-weight:600;cursor:pointer;
  transition:background .18s,color .18s,box-shadow .18s}
.btn-ghost:hover{background:var(--blue);color:#fff;box-shadow:var(--shadow-blue)}

/* ---- Karten / Flächen ---- */
.card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem 1.75rem;margin:1.25rem 0;box-shadow:var(--shadow);
  transition:box-shadow .26s var(--ease),transform .26s var(--ease),border-color .26s}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#cfdbec}
.note{position:relative;background:linear-gradient(180deg,#f1f6fd,#f7faff);border:1px solid #d6e4f8;
  border-left:4px solid var(--blue);padding:.9rem 1.15rem;border-radius:var(--radius-s)}

/* ---- Hero (farbige Fläche, NICHT das Logo) ---- */
.hero{position:relative;overflow:hidden;color:#fff;border-radius:calc(var(--radius) + 4px);
  padding:2.7rem 2.2rem;box-shadow:var(--shadow-lg);
  background:
    radial-gradient(120% 150% at 0% 0%, var(--blue-l), transparent 46%),
    radial-gradient(110% 130% at 100% 108%, var(--blue-d), transparent 56%),
    linear-gradient(125deg,var(--blue-d),var(--blue) 66%)}
.hero::before{content:"";position:absolute;width:300px;height:300px;right:-70px;top:-90px;border-radius:50%;
  background:radial-gradient(circle,rgba(227,0,11,.40),transparent 68%);filter:blur(8px);pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(460px 240px at 108% -16%, rgba(255,255,255,.24), transparent 70%)}
.hero > *{position:relative;z-index:1}
.hero h1{color:#fff;margin-top:0}
.hero .lead{opacity:.95;font-size:1.14rem;max-width:50ch;margin-bottom:1.4rem}

/* ---- Feedback: Alerts / Badges ---- */
.alert{padding:.95rem 1.15rem;border-radius:12px;margin:1rem 0;font-weight:600;display:flex;align-items:center;gap:.55rem}
.alert::before{font-size:1.05em}
.alert.error{background:var(--bad-bg);border:1px solid #f1c8c2;color:var(--bad)}
.alert.error::before{content:"⚠"}
.alert.ok{background:var(--ok-bg);border:1px solid #bfe6cd;color:var(--ok)}
.alert.ok::before{content:"✓"}
.badge{display:inline-block;background:#eaf1fb;color:var(--blue-d);border:1px solid #d4e0f2;
  padding:.18rem .62rem;border-radius:20px;font-size:.78rem;font-weight:600;white-space:nowrap}
.badge.status{background:linear-gradient(120deg,var(--blue),var(--blue-l));color:#fff;border:0;font-size:.85rem;padding:.32rem .9rem}
.badge.red{background:var(--accent-20);color:var(--accent);border-color:#f3c3bd}

/* ---- Chips (Filter / Pills) ---- */
.chip{background:#fff;border:1px solid var(--line);border-radius:20px;padding:.34rem .85rem;font-size:.82rem;
  color:var(--ink-soft);font-weight:600;transition:all .16s var(--ease);box-shadow:var(--shadow)}
.chip:hover{border-color:var(--blue-l);color:var(--blue-d);transform:translateY(-1px)}
.chip.active{background:linear-gradient(120deg,var(--blue),var(--blue-l));color:#fff;border-color:transparent;box-shadow:var(--shadow-blue)}
.chip .cnt{font-weight:800;margin-left:.28rem;opacity:.9}

/* ---- Formulare (generisch: .form; .reqform/.steerform als Aliasse) ---- */
.form fieldset,.reqform fieldset,.steerform fieldset{border:1px solid var(--line);border-radius:var(--radius-s);
  padding:1.2rem 1.4rem;margin:1.2rem 0;background:linear-gradient(180deg,#fff,var(--bg-2))}
.form legend,.reqform legend,.steerform legend{font-family:var(--font-head);font-weight:700;color:var(--blue-d);
  padding:0 .55rem;font-size:.98rem;letter-spacing:.01em}
.form label,.reqform label,.steerform label{display:block;margin:.85rem 0;font-weight:600;font-size:.9rem;color:var(--ink-soft)}
.form input,.form select,.form textarea,
.reqform input,.reqform select,.reqform textarea,
.steerform input,.steerform select,.steerform textarea{
  display:block;width:100%;margin-top:.38rem;padding:.66rem .8rem;border:1.5px solid #d6dfeb;
  border-radius:11px;font:inherit;font-weight:400;color:var(--ink);background:#fff;
  transition:border-color .16s,box-shadow .16s,background .16s}
.form input:focus,.form select:focus,.form textarea:focus,
.reqform input:focus,.reqform select:focus,.reqform textarea:focus,
.steerform input:focus,.steerform select:focus,.steerform textarea:focus{
  outline:none;border-color:var(--blue);box-shadow:var(--ring);background:#fff}
.form textarea,.reqform textarea,.steerform textarea{resize:vertical}
.row{display:flex;gap:1.2rem;flex-wrap:wrap}
.row > label{flex:1;min-width:220px}
.checks{margin-top:1rem}
.checks .check{display:inline-flex;align-items:center;gap:.5rem;font-weight:500;width:auto;
  margin:.28rem .8rem .28rem 0;padding:.44rem .78rem;border:1.5px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;transition:border-color .16s,background .16s,box-shadow .16s}
.checks .check:hover{border-color:var(--blue-l);background:#f2f8ff;box-shadow:var(--shadow)}
.checks .check input{width:auto;margin:0;display:inline-block;accent-color:var(--blue)}
.has-error input,.has-error select,.has-error textarea{border-color:var(--bad);background:var(--bad-bg)}
.field-error{display:block;color:var(--bad);font-weight:600;font-size:.8rem;margin-top:.3rem}
.actions{margin:1.4rem 0;display:flex;gap:.85rem;align-items:center;flex-wrap:wrap}
.filters{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center;margin:1rem 0}
.filters select{padding:.54rem .7rem;border:1.5px solid #d6dfeb;border-radius:10px;font:inherit;background:#fff;transition:border-color .16s,box-shadow .16s}
.filters select:focus{outline:none;border-color:var(--blue);box-shadow:var(--ring)}

/* ---- Tabellen ---- */
.grid{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-s);overflow:hidden;box-shadow:var(--shadow)}
.grid th,.grid td{text-align:left;padding:.82rem .95rem;border-bottom:1px solid var(--line-soft);font-size:.92rem}
.grid th{background:linear-gradient(180deg,#f4f8fd,#edf3fb);color:var(--blue-d);font-weight:700;
  font-size:.73rem;text-transform:uppercase;letter-spacing:.06em}
.grid tbody tr{transition:background .14s}
.grid tbody tr:hover{background:rgba(23,112,184,.055)}
.grid tr:last-child td{border-bottom:0}
.grid td a{font-weight:600}
/* Zusatzspalten optional erst auf großen Bildschirmen */
.col-lg{display:none}
@media (min-width:1000px){ .col-lg{display:table-cell} }

/* ---- Responsive ---- */
@media (max-width:560px){
  .topbar{padding:.6rem .95rem}
  .topbar .who{display:none}
  .brand-title{font-size:.98rem;padding-left:.6rem}
  .hero{padding:2rem 1.4rem}
  .card{padding:1.35rem 1.3rem}
}

/* ---- Bewegung reduzieren respektieren ---- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important}
}