/* SYSTEM.HAUS — echte oeffentliche Website-CI (Quelle: systemhaus-landing).
   Navy #010120 / Mint #c8f6f9, Inter + JetBrains Mono, Navy-Header + -Footer,
   ii-Logo, ISO-Badges. Die oeffentlichen Formulare tragen diese CI (NICHT die
   interne Cockpit-Shell). Hell + Dunkel, WCAG-AA. Nur erweitern. */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap");

:root{--r:7px;--rc:12px;--wrap:1080px}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.55;background:var(--bg);color:var(--fg);transition:background .2s,color .2s;overflow-x:hidden}

/* Header + Footer sind IMMER Navy — wie die echte Website */
:root{--nav-bg:#010120;--nav-fg:#ffffff;--mint:#c8f6f9}
[data-theme="light"]{
  --bg:#f4f5f8; --panel:#ffffff; --panel2:#f7f9fc; --fg:#0a0e1a; --muted:#586074;
  --bd:#e6e8ee; --field:#ffffff; --field-bd:#d6dae4; --hov:#eef1f7;
  --brand:#010120; --brand-ink:#ffffff; --teal:#0e7b88; --shadow:0 1px 2px rgba(1,1,32,.05),0 10px 30px rgba(1,1,32,.06);
}
[data-theme="dark"]{
  --bg:#010120; --panel:rgba(255,255,255,.035); --panel2:rgba(255,255,255,.06); --fg:#ffffff; --muted:rgba(255,255,255,.66);
  --bd:rgba(255,255,255,.12); --field:rgba(255,255,255,.05); --field-bd:rgba(255,255,255,.17); --hov:rgba(255,255,255,.08);
  --brand:#c8f6f9; --brand-ink:#010120; --teal:#c8f6f9; --shadow:0 18px 44px rgba(0,0,0,.5);
}
::selection{background:#c8f6f9;color:#010120}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
a{color:var(--teal);text-decoration:none}
.mono{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,monospace;text-transform:uppercase;letter-spacing:.09em;font-size:11px;font-weight:600}
.muted{color:var(--muted)}.hidden{display:none!important}
svg{stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}

/* ===== Marken-Leiste (3px Teal->Mint, wie systemhaus.i-i.immo) ===== */
.sitebar{height:3px;background:linear-gradient(90deg,#3ea8b8,#c8f6f9);position:fixed;top:0;left:0;right:0;z-index:60}

/* ===== Header (Navy, sticky) ===== */
.sitenav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,#010120 95%,transparent);color:#fff;border-bottom:1px solid rgba(255,255,255,.1);backdrop-filter:blur(8px)}
.sitenav-in{max-width:var(--wrap);margin:0 auto;height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 20px}
.sitebrand{display:flex;align-items:center;gap:14px;color:#fff}
.sitelogo{height:38px;width:auto;display:block}
.brandsep{width:1px;height:26px;background:rgba(255,255,255,.16)}
.brandwm{font-family:"JetBrains Mono",monospace;font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.14em;color:rgba(255,255,255,.85)}
@media(max-width:520px){.brandsep,.brandwm{display:none}}
.sitenav-r{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}

/* Theme-Umschalter (auf Navy) */
.seg{display:inline-grid;grid-auto-flow:column;border:1px solid rgba(255,255,255,.18);border-radius:7px;overflow:hidden;background:rgba(255,255,255,.05)}
.seg button{background:transparent;color:rgba(255,255,255,.72);border:0;padding:7px 12px;cursor:pointer;font-family:"JetBrains Mono",monospace;font-size:11px;text-transform:uppercase;letter-spacing:.05em;transition:background .15s,color .15s}
.seg button.on{background:#c8f6f9;color:#010120;font-weight:700}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r);border:1px solid var(--brand);background:var(--brand);color:var(--brand-ink);font-weight:700;padding:11px 18px;cursor:pointer;font-size:14px;font-family:inherit;transition:filter .15s,transform .12s}
.btn svg{stroke:var(--brand-ink)}.btn:hover{filter:brightness(1.08)}.btn:active{transform:translateY(1px)}
.btn.big{padding:14px 22px;font-size:15px}
.btn.mint{background:#c8f6f9;border-color:#c8f6f9;color:#010120}.btn.mint svg{stroke:#010120}
.btn.ghost{background:transparent;color:var(--fg);border-color:var(--bd)}.btn.ghost svg{stroke:currentColor}
.btn.ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed}

/* ===== Formularfelder ===== */
input,textarea,select{width:100%;background:var(--field);color:var(--fg);border:1px solid var(--field-bd);border-radius:var(--r);padding:11px 12px;font-size:14px;font-family:inherit;outline:none}
textarea{min-height:92px;resize:vertical}
input:focus,textarea:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 16%,transparent)}
label{display:block;margin:13px 0 6px;font-size:12.5px;color:var(--muted);font-weight:600}
label .req{color:var(--teal)}
.card{background:var(--panel);border:1px solid var(--bd);border-radius:var(--rc);padding:22px;box-shadow:var(--shadow)}
h1{font-size:23px;margin:0 0 4px;letter-spacing:-.01em}
h2{font-size:16px;margin:0}
.err{color:#d5322f;font-size:13px;margin-top:10px}
[data-theme="dark"] .err{color:#ff8f8f}

/* Section-Icon-Badge */
.hbadge{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;flex:0 0 auto;background:color-mix(in srgb,var(--teal) 12%,transparent);border:1px solid color-mix(in srgb,var(--teal) 30%,transparent)}
.hbadge svg{width:17px;height:17px;stroke:var(--teal)}

/* ===== Footer (Navy, wie die Website) ===== */
.sitefoot{background:#010120;color:#fff;border-top:1px solid rgba(255,255,255,.1);padding:56px 20px 40px;margin-top:60px}
.sitefoot-in{max-width:var(--wrap);margin:0 auto}
.footbrand{display:inline-flex;flex-direction:column;gap:12px;color:#fff}
.footlogo{height:40px;width:auto}
.footwm{font-family:"JetBrains Mono",monospace;font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.16em;color:rgba(255,255,255,.9)}
.footdesc{margin:18px 0 0;max-width:56ch;font-size:14px;line-height:1.65;color:rgba(255,255,255,.65)}
.isorow{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.isorow span{font-family:"JetBrains Mono",monospace;font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:rgba(255,255,255,.6);border:1px solid rgba(255,255,255,.15);border-radius:6px;padding:4px 9px}
.footlegal{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.1);font-family:"JetBrains Mono",monospace;font-size:11px;text-transform:uppercase;letter-spacing:.08em}
.footlegal a{color:rgba(255,255,255,.6)}.footlegal a:hover{color:#fff}
.footcopy{margin:20px 0 0;font-size:12px;line-height:1.6;color:rgba(255,255,255,.4);max-width:90ch}

/* ===== CI-Dropdown (.csel) — ersetzt native <select>, in Website-CI ===== */
.csel{position:relative;width:100%}
.csel-native{position:absolute!important;width:1px;height:1px;opacity:0;pointer-events:none;margin:0;padding:0;border:0;clip:rect(0 0 0 0)}
.csel-trigger{display:flex;align-items:center;gap:10px;width:100%;background:var(--field);color:var(--fg);border:1px solid var(--field-bd);border-radius:var(--r);padding:11px 12px;font-size:14px;font-family:inherit;cursor:pointer;text-align:left;transition:border-color .15s,box-shadow .15s}
.csel-trigger:hover{border-color:color-mix(in srgb,var(--brand) 45%,var(--field-bd))}
.csel.open .csel-trigger{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 16%,transparent)}
.csel-label{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.csel,.csel-trigger{max-width:100%}
.csel-chev{width:16px!important;height:16px!important;stroke:var(--muted);transition:transform .2s,stroke .2s}
.csel.open .csel-chev{transform:rotate(180deg);stroke:var(--brand)}
.csel-panel{display:none;position:absolute;z-index:90;top:calc(100% + 6px);left:0;right:0;max-height:288px;overflow:auto;background:var(--panel);border:1px solid var(--bd);border-radius:10px;padding:6px;box-shadow:0 18px 44px rgba(1,1,32,.22)}
.csel.open .csel-panel{display:block;animation:cpop .16s ease}
.csel.up .csel-panel{top:auto;bottom:calc(100% + 6px)}
@keyframes cpop{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.csel-opt{display:flex;align-items:center;gap:8px;padding:9px 11px;border-radius:7px;font-size:13.5px;cursor:pointer;color:var(--fg)}
.csel-opt:hover{background:var(--hov)}
.csel-opt.sel{color:var(--teal);font-weight:600;background:color-mix(in srgb,var(--teal) 10%,transparent)}
.csel-opt.sel::after{content:"";margin-left:auto;width:6px;height:6px;border-radius:50%;background:var(--teal)}

/* ===== Upload-Widget (.uz) ===== */
.uz{border:1.5px dashed var(--field-bd);border-radius:10px;background:var(--panel2);padding:22px 18px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s}
.uz:hover,.uz:focus-visible{border-color:var(--brand);outline:none}
.uz.drag{border-color:var(--brand);background:color-mix(in srgb,var(--teal) 8%,var(--panel2))}
.uz-inner{display:flex;flex-direction:column;align-items:center;gap:6px;pointer-events:none}
.uz-ic{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;background:color-mix(in srgb,var(--teal) 12%,transparent);border:1px solid color-mix(in srgb,var(--teal) 28%,transparent)}
.uz-ic svg{width:20px;height:20px;stroke:var(--teal)}
.uz-browse{color:var(--teal);text-decoration:underline;font-weight:600}
.uz-hint{font-size:11.5px;margin-top:2px}
.uz-kindrow{display:flex;align-items:center;gap:12px;margin-top:12px;flex-wrap:wrap}
.uz-kindrow .uz-kl{flex:0 0 auto;font-size:12.5px;margin:0}
.uz-kindrow .csel{flex:1 1 180px;min-width:0}
.uz-list{display:grid;gap:8px;margin-top:12px}
.uz-item{display:flex;align-items:center;gap:11px;padding:9px 11px;border:1px solid var(--bd);border-radius:8px;background:var(--panel)}
.uz-fic{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;flex:0 0 auto;background:color-mix(in srgb,var(--teal) 10%,transparent)}
.uz-fic svg{width:16px;height:16px;stroke:var(--teal)}
.uz-meta{flex:1;min-width:0;text-align:left}
.uz-nm{font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.uz-sub{font-size:11.5px}
.uz-del{background:none;border:0;color:var(--muted);cursor:pointer;padding:4px;flex:0 0 auto;border-radius:6px}
.uz-del:hover{color:#d5322f;background:color-mix(in srgb,#d5322f 12%,transparent)}
.uz-del svg{width:16px;height:16px}
.uz-alert{margin-top:8px}

/* ===== Chips (Mehrfachauswahl) ===== */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.chip{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--field-bd);background:var(--field);color:var(--fg);border-radius:20px;padding:7px 13px;cursor:pointer;font-size:13px;user-select:none}
.chip.on{border-color:var(--teal);background:color-mix(in srgb,var(--teal) 12%,transparent);color:var(--teal);font-weight:600}