:root {
  --bg: #f4f6fb; --card: #fff; --ink: #1e2433; --muted: #6b7385; --line: #e6e9f2;
  --accent: #4f46e5; --accent-soft: #eef0ff; --pos: #16a34a; --pos-soft: #e8f7ee; --neg: #dc2626; --neg-soft: #fdecec;
  --c-wasser: #0ea5e9; --c-gesamt: #4f46e5; --c-elw: #f59e0b; --c-wp: #14b8a6;
  --shadow: 0 1px 2px rgba(30,36,51,.05), 0 8px 24px rgba(30,36,51,.07);
  --r: 16px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--ink); font-size: 15px; line-height: 1.45; }
[hidden] { display: none !important; }
h1, h2, h3 { margin: 0; line-height: 1.2; }
.muted { color: var(--muted); }
button, input, select, textarea { font: inherit; color: inherit; }

/* Buttons & Felder */
.btn { border: 1px solid var(--line); background: #fff; padding: 9px 16px; border-radius: 10px; cursor: pointer; font-weight: 600; transition: .15s; }
.btn:hover { border-color: #c9cfe3; background: #fafbff; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: #4338ca; }
.btn.danger { color: var(--neg); }
.btn.danger.armed { background: var(--neg); border-color: var(--neg); color: #fff; }
.btn.ghost { background: transparent; }
.btn.small { padding: 5px 10px; font-size: 13px; border-radius: 8px; }
.btn:focus-visible, input:focus-visible, textarea:focus-visible, a:focus-visible { outline: 3px solid rgba(79,70,229,.35); outline-offset: 1px; }
input[type=text], input[type=password], input[type=date], textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff;
}
input:focus, textarea:focus { border-color: var(--accent); }

/* Layout */
.app { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; }
.side { background: #fff; border-right: 1px solid var(--line); padding: 22px 14px; display: flex; flex-direction: column; gap: 18px; position: sticky; top: 0; height: 100vh; }
.brand { text-align: center; padding: 4px 0 8px; }
.brand img { border-radius: 50%; object-fit: cover; box-shadow: 0 3px 10px rgba(79,70,229,.3); }
.brand-title { font-size: 20px; font-weight: 700; margin-top: 8px; }
.brand-sub { color: var(--muted); font-size: 13px; }
nav { display: flex; flex-direction: column; gap: 3px; flex: 1; }
nav a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; color: var(--ink); text-decoration: none; font-weight: 500; }
nav a:hover { background: #f4f6fb; }
nav a.active { background: var(--accent-soft); color: var(--accent); font-weight: 700; }
nav .dot { width: 10px; height: 10px; border-radius: 50%; flex: none; background: var(--accent); }
nav .sep { height: 1px; background: var(--line); margin: 8px 6px; }
.side-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.save-state { font-size: 12px; color: var(--muted); }
.main { padding: 28px clamp(16px, 3vw, 40px) 60px; max-width: 1200px; width: 100%; outline: none; }
.page-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.page-head h2 { font-size: 26px; }

/* Karten */
.card { background: var(--card); border-radius: var(--r); box-shadow: var(--shadow); padding: 20px; margin-bottom: 20px; }
.card h3 { font-size: 16px; margin-bottom: 12px; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.grid1 { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; }
.grid1 > .card, .grid2 > .card { margin-bottom: 0; }
.meter-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.meter-head h3 { margin: 0; flex: 1; }
.meter-head a { font-size: 13px; color: var(--accent); text-decoration: none; font-weight: 600; }
.dot-big { width: 12px; height: 12px; border-radius: 50%; }
.big { font-size: 32px; font-weight: 700; letter-spacing: -.5px; }
.big small { font-size: 15px; font-weight: 500; color: var(--muted); margin-left: 4px; }
.stats { display: flex; gap: 22px; flex-wrap: wrap; margin: 10px 0 12px; }
.stat .k { font-size: 12px; color: var(--muted); }
.stat .v { font-weight: 650; }
.chip { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 12px; font-weight: 650; margin-left: 6px; }
.chip.pos { background: var(--pos-soft); color: var(--pos); }
.chip.neg { background: var(--neg-soft); color: var(--neg); }
.pos { color: var(--pos); } .neg { color: var(--neg); }

/* Formular */
.form { display: grid; grid-template-columns: 150px 150px 1fr auto; gap: 10px; align-items: end; }
.form.compact { grid-template-columns: 1fr 1fr; }
.form.compact .f-note, .form.compact .f-reset, .form.compact .f-act { grid-column: 1 / -1; }
.form label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; font-weight: 600; }
.f-reset { grid-column: 1 / -1; display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.f-reset input { width: 16px; height: 16px; accent-color: var(--accent); }
.f-reset label { margin: 0; font-size: 13px; font-weight: 500; }
.f-act { display: flex; gap: 8px; }
.form-msg { grid-column: 1 / -1; font-size: 13px; min-height: 0; }
.form-msg.err { color: var(--neg); } .form-msg.ok { color: var(--pos); }
.field-err { border-color: var(--neg) !important; }

/* Tabellen */
.tbl-wrap { overflow-x: auto; max-height: 560px; overflow-y: auto; border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { position: sticky; top: 0; background: #f8f9fd; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; z-index: 1; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #fafbff; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.note { white-space: normal; min-width: 160px; color: var(--muted); }
td.act { text-align: right; }
tr.editing { background: var(--accent-soft) !important; }
.tag { display: inline-block; font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: 99px; background: var(--accent-soft); color: var(--accent); margin-right: 6px; }

/* Diagramme */
.chart { width: 100%; height: auto; display: block; }
.chart text { font-family: inherit; fill: var(--muted); font-size: 11px; }
.chart .val { fill: var(--ink); font-weight: 600; }
.chart .grid { stroke: var(--line); }
.chart rect.bar:hover { opacity: .8; }
.cap { font-size: 12px; color: var(--muted); margin-top: 6px; }

/* Einstellungen */
.drop { border: 2px dashed #c9cfe3; border-radius: 14px; padding: 26px; text-align: center; color: var(--muted); transition: .15s; }
.drop.over { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.info { background: #f8f9fd; border-radius: 10px; padding: 10px 14px; font-size: 13px; color: var(--muted); }

/* Responsive */
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .side { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; padding: 12px; gap: 10px; border-right: 0; border-bottom: 1px solid var(--line); }
  .brand { display: flex; align-items: center; gap: 10px; padding: 0; text-align: left; }
  .brand img { width: 40px; height: 40px; }
  .brand-title { margin: 0; font-size: 17px; }
  nav { flex-direction: row; flex-wrap: wrap; order: 3; width: 100%; }
  nav a { padding: 7px 10px; font-size: 14px; }
  nav .sep { display: none; }
  .side-foot { margin-left: auto; }
  .grid2 { grid-template-columns: 1fr; }
  .form { grid-template-columns: 1fr 1fr; }
  .form .f-note, .form .f-act { grid-column: 1 / -1; }
}

.numfield { flex: 1; min-width: 200px; max-width: 360px; }
.row .k { font-weight: 600; font-size: 14px; }

.group-title { font-size: 18px; margin: 28px 0 10px; }
.nav-group { margin: 14px 12px 4px; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.group-sub { font-size: 15px; margin: 22px 0 8px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.charts { margin-top: 14px; }
.charts h4 { margin: 0 0 6px; font-size: 14px; color: var(--muted); font-weight: 600; }
.sumcard .meter-head { margin-bottom: 4px; }
.sumcard .meter-head .sumsrc { margin-right: auto; font-size: 13px; }
.sumrow { display: grid; grid-template-columns: minmax(220px, 280px) minmax(0, 1fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.sumcard .big { font-size: 26px; }
.sumcard .stats { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; margin: 6px 0 0; }
.sumcard h4 { margin: 0 0 2px; font-size: 13px; color: var(--muted); font-weight: 600; }
@media (max-width: 1000px) { .sumrow { grid-template-columns: 1fr; } }
.sumcard .meter-head h3 { flex: none; }
.thumb { display: block; margin-top: 4px; } .thumb img { height: 48px; width: auto; border-radius: 6px; border: 1px solid var(--line, #e2e8f0); }
.withphoto { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 24px; align-items: start; }
.meterphoto { display: block; text-decoration: none; color: var(--muted); font-size: 12px; }
.meterphoto img { display: block; width: 100%; height: 200px; object-fit: cover; border-radius: 10px; border: 1px solid #e2e8f0; margin-bottom: 6px; }
@media (max-width: 800px) { .withphoto { grid-template-columns: 1fr; } }
tr.forecast td { background: #f5f3ff; font-weight: 600; }

/* ---------- Kosten-Dashboard ---------- */
.kosten .page-head { align-items: flex-start; }
.kosten h2 { margin: 2px 0; }
.crumb { font-size: 12px; color: var(--muted); }
.head-act { display: flex; gap: 8px; }
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-bottom: 20px; }
.kpis > .card { margin-bottom: 0; }
.kpi-top { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.kicon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; flex: none; }
.kpi-t { font-weight: 700; font-size: 16px; }
.kpi-s { font-size: 12px; color: var(--muted); }
.kpi-main { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.kpi-v { font-size: 28px; font-weight: 750; letter-spacing: -.5px; }
.spark { display: block; width: 100%; height: 52px; margin: 6px 0 10px; }
.kpi-foot { display: flex; justify-content: space-between; border-top: 1px solid #eef0f6; padding-top: 10px; }
.kpi-foot b { font-size: 16px; }
.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 8px; flex-wrap: wrap; }
.card-head h3 { margin: 0 0 2px; }
.tabs { display: inline-flex; background: #f1f3fa; border-radius: 12px; padding: 4px; gap: 2px; }
.tabs button { border: 0; background: transparent; padding: 7px 16px; border-radius: 9px; font: inherit; font-size: 13px; cursor: pointer; color: var(--muted); }
.tabs button.on { background: #4f46e5; color: #fff; font-weight: 600; box-shadow: 0 2px 6px rgba(79,70,229,.3); }
.legend { display: flex; gap: 18px; justify-content: center; margin: 4px 0 2px; font-size: 13px; }
.legend i, .dn-legend i { display: inline-block; width: 11px; height: 11px; border-radius: 50%; margin-right: 6px; }
.kosten-row { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr); gap: 20px; margin-top: 20px; }
.kosten-row > .card { margin-bottom: 0; }
.link { background: none; border: 0; color: var(--accent); font: inherit; font-weight: 600; cursor: pointer; padding: 8px 0 0; float: right; }
td.sum { font-weight: 700; }
.donut-wrap { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.donut { width: 190px; height: 190px; flex: none; }
.dn-v { font-size: 20px; font-weight: 750; fill: currentColor; }
.dn-k { font-size: 11px; fill: #64748b; }
.dn-legend { flex: 1; min-width: 180px; }
.dn-legend > div { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; align-items: center; padding: 8px 0; border-bottom: 1px solid #eef0f6; }
.dn-legend span { grid-column: 1; margin-left: 17px; margin-right: 0; position: relative; }
.dn-legend i { position: absolute; margin-left: -17px; margin-top: 0; }
.dn-legend em { font-style: normal; color: var(--muted); font-size: 12px; min-width: 34px; text-align: right; }
@media (max-width: 1100px) { .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); } .kosten-row { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .kpis { grid-template-columns: 1fr; } }
@media print { .side, .head-act, .tabs, .link { display: none !important; } .app { display: block; } .card { box-shadow: none; break-inside: avoid; } }
.kosten .link { display: block; float: none; margin-left: auto; margin-bottom: 8px; }
.grid2 { margin-bottom: 22px; }
.grid2.charts { margin-bottom: 0; }
.sub { display: block; font-size: 11px; color: var(--muted); font-weight: 400; }
.sumprice { display: inline-block; padding: 9px 0; font-weight: 700; }
.title-edit { display: flex; align-items: center; gap: 8px; }
.title-edit h2, .rename h2 { margin: 0; }
.icon-btn { border: 0; background: transparent; color: var(--muted); cursor: pointer; padding: 6px; border-radius: 8px; display: grid; place-items: center; }
.icon-btn:hover { background: #eef0f6; color: var(--accent); }
.rename { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.rename-in { font: inherit; font-size: 20px; font-weight: 700; padding: 6px 10px; border: 1px solid #c7cbe0; border-radius: 10px; min-width: 200px; }

/* ---------- Anmeldung ---------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card { background: #fff; border-radius: 18px; box-shadow: 0 10px 40px rgba(30, 30, 80, .12); padding: 32px 30px; width: 100%; max-width: 360px; text-align: center; }
.login-card img { border-radius: 50%; object-fit: cover; box-shadow: 0 3px 10px rgba(79,70,229,.3); }
.login-card h1 { margin: 12px 0 2px; font-size: 22px; }
.login-sub { color: #64748b; font-size: 13px; margin: 0 0 20px; }
.login-card label { display: block; text-align: left; font-size: 12px; font-weight: 600; margin-bottom: 4px; color: #64748b; }
.login-card input { width: 100%; box-sizing: border-box; font: inherit; padding: 11px 12px; border: 1px solid #c7cbe0; border-radius: 10px; margin-bottom: 14px; }
.login-card .btn { width: 100%; }
.side-foot { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }