:root{--ac:#4f46e5;--ac2:#4338ca;--acs:#eef2ff;--bg:#f5f6fa;--c:#fff;--t:#0f172a;--m:#64748b;--l:#e6e8ef;--ok:#16a34a;--oks:#dcfce7;--er:#dc2626;--ers:#fee2e2;--wa:#d97706;--was:#fef3c7;--r:14px;--sh:0 1px 2px rgba(15,23,42,.05),0 4px 16px rgba(15,23,42,.04)}
@media(prefers-color-scheme:dark){:root{--ac:#818cf8;--ac2:#6366f1;--acs:#1e2140;--bg:#0b0e17;--c:#141826;--t:#e8ebf5;--m:#8b94ad;--l:#232a3d;--oks:#10301d;--ers:#3b1416;--was:#3a2a0b;--sh:none}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:15.5px/1.5 -apple-system,BlinkMacSystemFont,"Inter","Segoe UI",system-ui,sans-serif;background:var(--bg);color:var(--t);-webkit-font-smoothing:antialiased}
a{color:var(--ac)}h1{font-size:1.6rem;letter-spacing:-.02em;margin:.2rem 0 1rem;font-weight:700}h2{font-size:1.02rem;margin:1.6rem 0 .7rem;font-weight:650;color:var(--t)}
.ic{width:20px;height:20px;flex:none}
/* Layout */
body.app{display:grid;grid-template-columns:232px 1fr;min-height:100vh}
.side{position:sticky;top:0;height:100vh;background:var(--c);border-right:1px solid var(--l);display:flex;flex-direction:column;padding:1.1rem .8rem}
.brand{display:flex;align-items:center;gap:.65rem;font-weight:700;font-size:1.1rem;color:var(--t);text-decoration:none;padding:.2rem .5rem 1.2rem}
.logo{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,#6366f1,#4338ca);color:#fff;display:grid;place-items:center;font-weight:800}
.side nav{display:flex;flex-direction:column;gap:2px;flex:1}
.side nav a{display:flex;align-items:center;gap:.7rem;padding:.6rem .7rem;border-radius:10px;color:var(--m);text-decoration:none;font-weight:550}
.side nav a:hover{background:var(--bg);color:var(--t)}.side nav a.on{background:var(--acs);color:var(--ac)}
.who{border-top:1px solid var(--l);padding:.9rem .6rem 0;font-size:.85rem;color:var(--m);display:flex;flex-direction:column;gap:.25rem}.who b{color:var(--t)}
.link{background:none;border:0;padding:0;font:inherit;color:var(--m);cursor:pointer;text-align:left}.link:hover,.who a:hover{color:var(--ac)}.who a{color:var(--m);text-decoration:none}
main{width:100%;max-width:980px;margin:0 auto;padding:1.6rem 1.6rem 3rem}
body.auth{display:block}body.auth main{max-width:440px;padding-top:12vh}
/* Cards & forms */
.card{background:var(--c);border:1px solid var(--l);border-radius:var(--r);padding:1.2rem;margin:.9rem 0;box-shadow:var(--sh)}.card h2:first-child{margin-top:0}.narrow{padding:1.6rem}
label{display:block;margin:.75rem 0;font-size:.82rem;font-weight:600;color:var(--m)}
input,select,textarea{width:100%;padding:.62rem .75rem;border:1px solid var(--l);border-radius:10px;font:inherit;background:var(--bg);color:var(--t);margin-top:.3rem;transition:.15s}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--ac);background:var(--c);box-shadow:0 0 0 3px color-mix(in srgb,var(--ac) 20%,transparent)}
input[type=checkbox]{width:auto;margin:0}input[type=file]{padding:.5rem}.chk{display:flex;gap:.5rem;align-items:center}
.btn{display:inline-flex;align-items:center;gap:.4rem;background:var(--ac);color:#fff;border:0;border-radius:10px;padding:.62rem 1.05rem;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;transition:.15s}
.btn:hover{background:var(--ac2)}.btn.sec{background:var(--c);color:var(--t);border:1px solid var(--l)}.btn.sec:hover{background:var(--bg)}
.btn.danger{background:var(--c);color:var(--er);border:1px solid color-mix(in srgb,var(--er) 35%,transparent)}.btn.danger:hover{background:var(--ers)}.btn.small{padding:.35rem .75rem;font-size:.88rem}
.row{display:flex;gap:.55rem;flex-wrap:wrap;align-items:center;margin:.6rem 0}.row form{display:flex;gap:.5rem;align-items:center}.row input{width:auto;flex:1;margin:0}.between{justify-content:space-between}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:0 1rem}.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0 1rem}
.flash{padding:.75rem 1rem;border-radius:12px;margin:0 0 1rem;background:var(--was);color:var(--t);border:1px solid color-mix(in srgb,var(--wa) 30%,transparent)}.flash.ok{background:var(--oks);border-color:color-mix(in srgb,var(--ok) 30%,transparent)}.flash.err{background:var(--ers);border-color:color-mix(in srgb,var(--er) 30%,transparent)}
.hint{color:var(--m);font-size:.85rem}
table{width:100%;border-collapse:collapse}td,th{padding:.6rem .4rem;border-bottom:1px solid var(--l);text-align:left;vertical-align:top}th{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--m)}tr:last-child td{border-bottom:0}.r{text-align:right;font-variant-numeric:tabular-nums}
/* Listen */
.list{margin:.8rem 0}.list .item{display:flex;flex-wrap:wrap;gap:.2rem .9rem;align-items:center;background:var(--c);border:1px solid var(--l);border-radius:12px;padding:.85rem 1rem;margin:.5rem 0;color:inherit;text-decoration:none;box-shadow:var(--sh);transition:.15s}
.list .item:hover{border-color:var(--ac);transform:translateY(-1px)}.item small,.item span{color:var(--m)}.item .amt{margin-left:auto;color:var(--t);font-weight:600;font-variant-numeric:tabular-nums}
.badge{padding:.15rem .65rem;border-radius:99px;font-size:.75rem;font-weight:650;background:var(--bg);color:var(--m)!important;white-space:nowrap}
.badge.Bezahlt{background:var(--oks);color:var(--ok)!important}.badge.Offen{background:var(--acs);color:var(--ac)!important}.badge.Überfällig{background:var(--ers);color:var(--er)!important}.badge.Storniert,.badge.Storno{background:#f3e8ff;color:#7e22ce!important}
.tabs{display:inline-flex;gap:2px;background:var(--l);padding:3px;border-radius:11px;margin:.2rem 0 .6rem}.tabs a{padding:.35rem .95rem;border-radius:8px;color:var(--m);text-decoration:none;font-weight:600;font-size:.9rem}.tabs a.on{background:var(--c);color:var(--t);box-shadow:var(--sh)}
.pos{display:grid;grid-template-columns:3fr 1fr 1.3fr auto;gap:.5rem;margin:.45rem 0;align-items:center}.pos input{margin:0}.sum{text-align:right;font-weight:700;font-size:1.05rem;margin:.9rem 0}
/* Dashboard */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(165px,1fr));gap:.8rem}
.kpi{background:var(--c);border:1px solid var(--l);border-radius:var(--r);padding:1rem 1.1rem;color:inherit;text-decoration:none;box-shadow:var(--sh)}.kpi small{display:block;color:var(--m);font-weight:600;font-size:.8rem}.kpi b{display:block;font-size:1.45rem;letter-spacing:-.02em;margin-top:.2rem;font-variant-numeric:tabular-nums}.kpi.warn b{color:var(--er)}a.kpi:hover{border-color:var(--ac)}
.chart{display:grid;grid-template-columns:repeat(12,1fr);gap:6px;height:190px;background:var(--c);border:1px solid var(--l);border-radius:var(--r);padding:1rem .8rem .5rem;box-shadow:var(--sh)}
.col{display:flex;flex-direction:column;height:100%;justify-content:flex-end;align-items:center;gap:.3rem}.bars{flex:1;display:flex;gap:3px;align-items:flex-end;width:100%;justify-content:center}.bars i{width:42%;max-width:16px;min-height:2px;border-radius:5px 5px 2px 2px}
.rev{background:var(--ac)}.exp{background:#f59e0b}.dot{display:inline-block;width:10px;height:10px;border-radius:50%;vertical-align:baseline}.col small{font-size:.68rem;color:var(--m)}
.hbar{display:grid;grid-template-columns:120px 1fr auto;gap:.8rem;align-items:center;margin:.45rem 0}.hbar div{background:var(--l);border-radius:8px;height:10px}.hbar i{display:block;height:100%;background:#f59e0b;border-radius:8px}.hbar b{font-variant-numeric:tabular-nums;font-weight:600}
/* Mobil: Tab-Leiste unten */
@media(max-width:820px){
 body.app{display:block;padding-bottom:calc(68px + env(safe-area-inset-bottom))}
 .side{position:fixed;inset:auto 0 0 0;top:auto;height:auto;flex-direction:row;padding:.3rem .4rem calc(.3rem + env(safe-area-inset-bottom));border-right:0;border-top:1px solid var(--l);z-index:20}
 .brand,.who{display:none}.side nav{flex-direction:row;justify-content:space-around;width:100%}
 .side nav a{flex-direction:column;gap:2px;padding:.4rem .2rem;font-size:.68rem;flex:1;align-items:center;text-align:center}.side nav a.more{display:none}
 main{padding:1.1rem 1rem 2rem}h1{font-size:1.4rem}
 .pos{grid-template-columns:1fr 1fr}.pos input:first-child{grid-column:1/-1}.hbar{grid-template-columns:90px 1fr auto}.chart{height:150px}.item .amt{margin-left:0}
}