/* Tool17 – App-Oberfläche. Keine externen Ressourcen. */
:root{--bg:#f4f5fb;--surface:#fff;--surface-2:#f4f5fb;--line:#e3e5f2;--text:#1b1e3b;--muted:#555a82;--accent:#4f46e5;--accent-ink:#fff;--accent-soft:#ecebff;--ok:#14693f;--ok-bg:#e1f3e9;--warn:#7a4b00;--warn-bg:#fdf0d5;--shadow:0 10px 30px #3c408c14;--radius:16px;color-scheme:light}
:root[data-site-theme=dark]{--bg:#0e1019;--surface:#171a27;--surface-2:#1d2132;--line:#2f3550;--text:#eceef8;--muted:#a7aec6;--accent:#a3acff;--accent-ink:#0c0f24;--accent-soft:#242a52;--ok:#7fdcab;--ok-bg:#13301f;--warn:#f2c46d;--warn-bg:#33290f;--shadow:0 1px 2px #0006;color-scheme:dark}
@media(prefers-color-scheme:dark){:root:not([data-site-theme]){--bg:#0e1019;--surface:#171a27;--surface-2:#1d2132;--line:#2f3550;--text:#eceef8;--muted:#a7aec6;--accent:#a3acff;--accent-ink:#0c0f24;--accent-soft:#242a52;--ok:#7fdcab;--ok-bg:#13301f;--warn:#f2c46d;--warn-bg:#33290f;--shadow:0 1px 2px #0006;color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:72px}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--text);font:16px/1.55 "Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;overflow-x:hidden}
a{color:var(--accent);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(28px,5.2vw,52px);font-weight:800;letter-spacing:-.02em;line-height:1.08}
h2{font-size:clamp(21px,3vw,28px);font-weight:800}
h3{font-size:17px;font-weight:650}
p{margin:0 0 1em}
.muted,.fine{color:var(--muted);font-size:14px}
.skip{position:absolute;left:-999px;top:8px;background:var(--surface);color:var(--text);padding:8px 14px;border:2px solid var(--accent);border-radius:8px;z-index:50}
.skip:focus{left:8px}
/* App-Shell */
.topbar{position:sticky;top:0;z-index:30;background:var(--surface);border-bottom:1px solid var(--line)}
.topbar-in{max-width:1200px;margin:auto;padding:0 16px;min-height:72px;display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);font-weight:800;font-size:20px;margin-right:auto}
.brand img{width:32px;height:32px;border-radius:8px;display:block}
.brand small{font-weight:500;color:var(--muted);font-size:13px}
.topnav{display:flex;gap:2px;align-items:center}
.topnav a{color:var(--muted);text-decoration:none;font-size:15px;font-weight:550;padding:8px 12px;border-radius:8px;min-height:40px;display:inline-flex;align-items:center}
.topnav a:hover{background:var(--surface-2);color:var(--text)}
.topnav a[aria-current=page]{background:var(--accent-soft);color:var(--accent)}
.theme-toggle{font:inherit;font-size:14px;font-weight:600;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:8px;min-height:40px;padding:0 12px;cursor:pointer}
.theme-toggle:hover{background:var(--surface-2)}
main{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:32px 16px 48px}
.page-head{margin-bottom:24px;max-width:720px}
.page-head p{color:var(--muted);font-size:17px;margin:0}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:12px}
.crumbs a{color:var(--muted)}
footer{border-top:1px solid var(--line);background:#1b1e3b;color:#b9bcdc;font-size:14px}
.footer-in{max-width:1200px;margin:auto;padding:20px 16px;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;align-items:center}
.footer-in nav,.footer-in div{display:flex;flex-wrap:wrap;gap:4px 18px}
footer a{color:#fff}
footer a:hover{text-decoration:underline}
/* Bausteine */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.card>:last-child{margin-bottom:0}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.section{margin-top:48px}
.section>h2{margin-bottom:6px}
.section>.lead{color:var(--muted);max-width:680px;margin-bottom:20px}
.button,.admin-main button.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-size:15px;font-weight:600;min-height:44px;padding:0 18px;border-radius:9px;border:1px solid var(--line);background:var(--surface);color:var(--text);text-decoration:none;cursor:pointer;text-align:center}
.button:hover{background:var(--surface-2);border-color:var(--muted)}
.button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:700}
.button.primary:hover{filter:brightness(1.08);background:var(--accent)}
.button.block{display:flex;width:100%}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:650;line-height:1;padding:5px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent);white-space:nowrap}
.pill.ok{background:var(--ok-bg);color:var(--ok)}
.pill.warn{background:var(--warn-bg);color:var(--warn)}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.notice{background:var(--warn-bg);color:var(--warn);border:1px solid color-mix(in srgb,var(--warn) 40%,transparent);border-radius:10px;padding:12px 14px;font-size:15px;margin:0 0 16px}
.notice a{color:inherit}
/* Einstieg */
.entry{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:24px;align-items:stretch}
.entry .card{display:flex;flex-direction:column}
.entry .card .actions{margin-top:auto;padding-top:16px}
.entry h2{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.steps{list-style:none;counter-reset:s;margin:0 0 8px;padding:0;display:grid;gap:10px}
.steps li{counter-increment:s;display:flex;gap:12px;align-items:flex-start;color:var(--muted)}
.steps li::before{content:counter(s);flex:none;width:26px;height:26px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-size:13px;font-weight:700;display:grid;place-items:center}
.card.primary-card{border-color:color-mix(in srgb,var(--accent) 45%,var(--line))}
.fn{display:flex;flex-direction:column;gap:6px}
.fn h3{display:flex;justify-content:space-between;gap:8px;align-items:flex-start;margin:0}
.fn p{color:var(--muted);font-size:15px;margin:0}
.fn-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.fn-grid .card{padding:18px;box-shadow:none}
/* Tarife */
.tiers{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.tier{padding:18px;box-shadow:none}
.tier .range{font-size:14px;color:var(--muted);margin:0 0 6px}
.tier .price{font-size:26px;font-weight:700;margin:0;letter-spacing:-.02em}
.tier .price small{font-size:14px;font-weight:500;color:var(--muted)}
.tier .note{font-size:13.5px;color:var(--muted);margin:6px 0 0}
.calc{margin-top:16px}
.calc label{font-weight:600;display:block;margin-bottom:6px}
.calc input{font:inherit;font-size:16px;width:160px;max-width:100%;min-height:44px;padding:8px 12px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--text)}
#usage-quote{font-size:20px;font-weight:700;margin:12px 0 4px}
.price-notice{font-size:14px;color:var(--muted);margin:8px 0 0}
/* Login-Karte */
.login-form label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}
.login-form input{width:100%;font:inherit;font-size:16px;min-height:48px;padding:12px 16px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--text);margin-bottom:14px}
.login-form .button{width:100%;min-height:48px;font-size:16px}
#login-msg{margin:12px 0 0;font-size:14px;color:var(--muted)}
.hero-line{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:15px;color:var(--muted)}
/* Rechtstext */
.prose{max-width:760px}
.prose h2{margin-top:1.6em;font-size:20px}
.prose address{font-style:normal;margin-bottom:1em}
.contacts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
a.contact{display:block;text-decoration:none;color:var(--text);transition:border-color .15s}
a.contact:hover{border-color:var(--accent)}
a.contact span{display:block;color:var(--muted);font-size:14px}
a.contact strong{font-size:18px;color:var(--accent);overflow-wrap:anywhere}
a.link-card{display:block;text-decoration:none;color:var(--text);transition:border-color .15s}
a.link-card:hover{border-color:var(--accent)}
a.link-card p{color:var(--muted)}
a.link-card .go{color:var(--accent);font-weight:600;font-size:15px}
/* Mieter-Einbettung */
.embed{padding:0;overflow:hidden}
.embed iframe{display:block;width:100%;height:1800px;border:0;background:var(--surface)}
.booking-guide{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 16px}
.booking-guide .pill::before{display:none}
@media(max-width:860px){.entry,.grid2,.contacts{grid-template-columns:1fr}.fn-grid,.grid3{grid-template-columns:repeat(2,minmax(0,1fr))}.tiers{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.topbar-in{flex-wrap:wrap;padding:8px 16px;gap:4px 8px}.topnav{order:3;width:100%;margin:0 -8px;overflow-x:auto}.fn-grid,.grid3{grid-template-columns:1fr}.card{padding:18px}main{padding-top:20px}}
@media(max-width:400px){.tiers{grid-template-columns:1fr}.brand small{display:none}}
@media(prefers-reduced-motion:no-preference){.button,a.contact,a.link-card{transition:background .15s,border-color .15s,filter .15s}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}