:root{
  --brand:#29235C; --brand-2:#1B1640; --brand-3:#372E86;
  --accent:#0369A1; --accent-fg:#0B5A86;
  --bg:#F1F3F9; --surface:#FFFFFF; --surface-2:#F7F8FC;
  --fg:#0F172A; --muted:#5B6478; --faint:#8A93A6;
  --border:#E3E6EF; --border-2:#D4D9E6;
  --success:#15803D; --success-bg:#EAF7EF; --success-bd:#B6E0C4;
  --danger:#C22B2B; --danger-bg:#FCECEC; --danger-bd:#E7B7B7;
  --ring:rgba(3,105,161,.35);
  --shadow-sm:0 1px 2px rgba(15,23,42,.06);
  --shadow:0 4px 16px rgba(15,23,42,.08);
  --shadow-lg:0 12px 32px rgba(27,22,64,.16);
  --r-sm:8px; --r:12px; --r-lg:16px;
  --font-display:'Exo','Segoe UI',system-ui,sans-serif;
  --font-body:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  --font-mono:'Roboto Mono',ui-monospace,'Cascadia Code',monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0B1020; --surface:#151B2E; --surface-2:#1B2338;
  --fg:#E8ECF6; --muted:#A2ADC4; --faint:#7C879E;
  --border:#28304A; --border-2:#333C5A;
  --accent:#38BDF8; --accent-fg:#7DD3FC; --ring:rgba(56,189,248,.4);
  --success-bg:#12281B; --success-bd:#245C36;
  --danger:#F87171; --danger-bg:#2A1515; --danger-bd:#5C2A2A;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4); --shadow:0 4px 16px rgba(0,0,0,.45); --shadow-lg:0 12px 32px rgba(0,0,0,.55);
  color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#0B1020; --surface:#151B2E; --surface-2:#1B2338;
  --fg:#E8ECF6; --muted:#A2ADC4; --faint:#7C879E;
  --border:#28304A; --border-2:#333C5A;
  --accent:#38BDF8; --accent-fg:#7DD3FC; --ring:rgba(56,189,248,.4);
  --success-bg:#12281B; --success-bd:#245C36;
  --danger:#F87171; --danger-bg:#2A1515; --danger-bd:#5C2A2A;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4); --shadow:0 4px 16px rgba(0,0,0,.45); --shadow-lg:0 12px 32px rgba(0,0,0,.55);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--font-body);margin:0;background:var(--bg);color:var(--fg);
  font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--font-display);letter-spacing:.2px}
a{color:var(--accent-fg)}
:focus-visible{outline:none;box-shadow:0 0 0 3px var(--ring);border-radius:6px}

/* Kopfleiste */
.app-header{background:linear-gradient(100deg,var(--brand-2),var(--brand) 55%,var(--brand-3));
  color:#fff;padding:12px 20px;display:flex;align-items:center;gap:14px;
  position:sticky;top:0;z-index:40;box-shadow:var(--shadow-sm)}
.app-header img{height:34px;background:#fff;border-radius:7px;padding:4px 9px;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.app-header h1{font-size:17px;margin:0;font-weight:700;color:#fff}
.head-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.app-header .back{color:#D9D5F2;text-decoration:none;font-size:14px;font-weight:500;white-space:nowrap}
.app-header .back:hover{color:#fff}
.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);color:#fff;
  border-radius:9px;cursor:pointer;transition:background .18s,border-color .18s}
.theme-toggle:hover{background:rgba(255,255,255,.18)}
.theme-toggle .i-moon{display:none}.theme-toggle .i-sun{display:block}
:root[data-theme="dark"] .theme-toggle .i-sun{display:none}
:root[data-theme="dark"] .theme-toggle .i-moon{display:block}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .theme-toggle .i-sun{display:none}
  :root:not([data-theme="light"]) .theme-toggle .i-moon{display:block}}

main{max-width:1000px;margin:22px auto;padding:0 16px 96px}

/* Karten */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
  margin:16px 0;overflow:hidden;box-shadow:var(--shadow-sm)}
.card>h2{font-family:var(--font-display);background:var(--surface-2);color:var(--brand);
  font-size:12px;font-weight:700;letter-spacing:.7px;text-transform:uppercase;
  margin:0;padding:12px 16px;border-bottom:1px solid var(--border);
  box-shadow:inset 3px 0 0 var(--brand)}
:root[data-theme="dark"] .card>h2{color:var(--accent-fg);box-shadow:inset 3px 0 0 var(--accent)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .card>h2{color:var(--accent-fg);box-shadow:inset 3px 0 0 var(--accent)}}
.card.accent{border-color:var(--brand-3);box-shadow:var(--shadow-sm),0 0 0 1px var(--brand-3)}

/* Raster + Felder */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px;padding:16px}
.grid3{grid-template-columns:1fr 1fr 1fr}
.full{grid-column:1/-1}
label{display:flex;flex-direction:column;font-size:12.5px;font-weight:600;color:var(--muted);gap:6px}
input,select,textarea{font-family:var(--font-body);padding:10px 12px;border:1px solid var(--border-2);
  border-radius:var(--r-sm);font-size:15px;background:var(--surface);color:var(--fg);
  min-height:42px;transition:border-color .16s,box-shadow .16s}
textarea{min-height:auto}
input[type=number]{font-family:var(--font-mono);font-size:14px}
input::placeholder,textarea::placeholder{color:var(--faint)}
input:hover,select:hover,textarea:hover{border-color:var(--brand-3)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--ring)}
input[type=checkbox]{min-height:auto;width:18px;height:18px;accent-color:var(--brand);cursor:pointer}
input[type=file]{padding:8px;font-size:13px;min-height:auto;background:var(--surface-2)}
input[type=file]::file-selector-button{font-family:var(--font-body);margin-right:10px;border:1px solid var(--border-2);
  background:var(--surface);color:var(--brand);border-radius:6px;padding:6px 12px;font-weight:600;cursor:pointer}

/* Tabelle */
table{width:100%;border-collapse:collapse}
thead th{font-family:var(--font-display);background:var(--surface-2);color:var(--muted);font-size:11px;
  font-weight:700;letter-spacing:.4px;text-transform:uppercase;padding:10px 8px;text-align:left;
  border-bottom:1px solid var(--border-2)}
td{padding:7px 8px;border-bottom:1px solid var(--border)}
td input{width:100%}
.rownum{font-family:var(--font-mono);font-weight:600;color:var(--brand);white-space:nowrap}
:root[data-theme="dark"] .rownum{color:var(--accent-fg)}

/* Buttons */
.btn{font-family:var(--font-display);background:var(--brand);color:#fff;border:1px solid transparent;
  border-radius:var(--r-sm);padding:11px 18px;font-size:14px;font-weight:600;letter-spacing:.2px;
  cursor:pointer;display:inline-flex;align-items:center;gap:8px;justify-content:center;
  box-shadow:var(--shadow-sm);transition:background .18s,transform .06s,box-shadow .18s}
.btn:hover{background:var(--brand-2);box-shadow:var(--shadow)}
.btn:active{transform:translateY(1px)}
.btn.sec{background:var(--surface);color:var(--brand);border-color:var(--border-2)}
.btn.sec:hover{background:var(--surface-2);border-color:var(--brand)}
:root[data-theme="dark"] .btn.sec{color:var(--fg)}
.btn.del{background:transparent;color:var(--danger);border-color:var(--danger-bd);padding:7px 11px;box-shadow:none}
.btn.del:hover{background:var(--danger-bg)}
.btn[disabled],.btn.loading{opacity:.6;cursor:not-allowed}
button.icon-btn{background:none;border:0;cursor:pointer;color:var(--danger);font-size:16px;padding:6px}

/* Fixierte Aktionsleiste */
.bar{position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);
  padding:12px 20px;display:flex;justify-content:flex-end;gap:14px;align-items:center;
  box-shadow:0 -4px 16px rgba(15,23,42,.07);z-index:30}
.bar .hint{margin:0}

/* Hilfstexte, Tools, Uploads */
.hint{font-size:12.5px;color:var(--muted);line-height:1.5}
.tools{display:flex;gap:12px;padding:12px 16px;align-items:center;flex-wrap:wrap}
.file{display:flex;flex-direction:column;gap:6px;font-size:12.5px;font-weight:600;color:var(--muted)}
.file.required{border:1px solid var(--success-bd);background:var(--success-bg);border-radius:var(--r-sm);padding:12px}
.file.required b{color:var(--success)}
details summary{cursor:pointer;padding:12px 16px;font-weight:600;color:var(--brand);font-family:var(--font-display);
  list-style:none;display:flex;align-items:center;gap:8px}
:root[data-theme="dark"] details summary{color:var(--accent-fg)}
details summary::-webkit-details-marker{display:none}
details summary::before{content:'';width:6px;height:6px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(-45deg);transition:transform .18s}
details[open] summary::before{transform:rotate(45deg)}

/* Lade-Animation */
.spin{display:none}.loading .spin{display:inline-flex}.loading .go{display:none}
.spin::before{content:'';width:15px;height:15px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;
  border-radius:50%;display:inline-block;margin-right:8px;animation:spin .7s linear infinite;vertical-align:-2px}
@keyframes spin{to{transform:rotate(360deg)}}

/* Startseite */
.landing{max-width:1000px;margin:34px auto;padding:0 16px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.intro{max-width:1000px;margin:30px auto 0;padding:0 16px}
.intro h2{font-size:24px;margin:0 0 6px;color:var(--fg);font-weight:800}
.intro p{margin:0;color:var(--muted);font-size:15px}
a.tile{display:flex;flex-direction:column;gap:12px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:24px 22px;text-decoration:none;color:var(--fg);
  box-shadow:var(--shadow-sm);transition:transform .18s,box-shadow .18s,border-color .18s}
a.tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--brand-3)}
a.tile .tile-ic{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-3));color:#fff;box-shadow:var(--shadow-sm)}
a.tile h3{margin:0;color:var(--brand);font-size:18px;font-weight:700}
:root[data-theme="dark"] a.tile h3{color:var(--accent-fg)}
a.tile p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.55}
a.tile .go-arrow{margin-top:auto;color:var(--accent-fg);font-weight:600;font-size:13px;display:inline-flex;align-items:center;gap:6px}
a.tile:hover .go-arrow{gap:10px}

@media (max-width:760px){
  .grid,.grid3{grid-template-columns:1fr}
  .landing{grid-template-columns:1fr}
  .app-header h1{font-size:15px}
  main{padding-bottom:110px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}