/* Nebenkosten-Prognose — Dashboard-Styles */

:root {
  --bg: #f4f6f9;
  --card: #ffffff;
  --ink: #1c2430;
  --muted: #5c6b7a;
  --line: #dfe5ec;
  --accent: #0e7490;
  --accent-soft: #ecfeff;

  /* Bereichsfarben (konsistent mit Legende & Chart) */
  --c-heizung: #d97706;
  --c-ww-wasser: #fde047;   /* Warmwasser (Wasser) — blasses Gelb */
  --c-ww-energie: #facc15;  /* Warmwasser (Energie) — Gelb */
  --c-kaltwasser: #2563eb;
  --c-fixkosten: #a78bfa;
  --c-extrapoliert: #9aa4b0;

  --radius: 14px;
  --shadow: 0 1px 3px rgba(16, 24, 40, .08), 0 1px 2px rgba(16, 24, 40, .04);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141b;
    --card: #171e27;
    --ink: #e6edf4;
    --muted: #93a4b5;
    --line: #283241;
    --accent: #38bdf8;
    --accent-soft: #0c2a35;
    --shadow: 0 1px 3px rgba(0, 0, 0, .4);
  }
}

* { box-sizing: border-box; }

/* HTML-hidden schlägt author-display (z. B. main { display:grid }) */
[hidden] { display: none !important; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1080px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }

/* ---------- Kopf ---------- */
.top { background: var(--card); border-bottom: 1px solid var(--line); }
.top .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding-top: 18px; padding-bottom: 18px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center; font-size: 22px;
  background: linear-gradient(135deg, #f59e0b, #f97316);
  box-shadow: var(--shadow);
}
h1 { font-size: 19px; margin: 0; letter-spacing: -.01em; }
.sub { margin: 2px 0 0; color: var(--muted); font-size: 13px; }

.data-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--muted);
  background: var(--bg); border: 1px solid var(--line);
  padding: 6px 12px; border-radius: 999px; white-space: nowrap;
}
.data-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }

.head-right { display: flex; align-items: center; gap: 10px; }
.user-select {
  font-size: 13.5px; font-weight: 600;
  color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 12px; cursor: pointer;
}
.user-select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

main { padding-top: 20px; padding-bottom: 48px; display: grid; gap: 24px; }

/* ---------- Kennzahlen ---------- */
.kpis {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}
.kpi {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 16px 18px;
}
.kpi .label { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.kpi .value { font-size: 26px; font-weight: 700; margin-top: 6px; font-variant-numeric: tabular-nums; }
.kpi .detail { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.kpi.accent .value { color: var(--accent); }
.kpi .tag {
  display: inline-block; font-size: 11px; font-weight: 600;
  padding: 1px 8px; border-radius: 999px; margin-left: 6px;
  vertical-align: middle;
}

/* ---------- Karten ---------- */
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 20px 22px;
}
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.card-head h2 { font-size: 16px; margin: 0; }
.hint { margin: 0; color: var(--muted); font-size: 13px; }

/* ---------- Legende & Chart ---------- */
.legend { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 14px; font-size: 12.5px; color: var(--muted); }
.legend .lg { display: inline-flex; align-items: center; gap: 6px; }
.legend .sw { width: 11px; height: 11px; border-radius: 3px; display: inline-block; }

.chart { overflow-x: auto; }
.bars {
  display: flex; gap: 10px; align-items: flex-end;
  height: 300px; padding-top: 8px;
  min-width: 620px;
}
.bar-col { flex: 1; min-width: 34px; height: 100%; display: flex; flex-direction: column; }
.bar-track {
  flex: 1; display: flex; flex-direction: column; justify-content: flex-end;
  border-radius: 6px 6px 0 0; overflow: hidden;
  background: repeating-linear-gradient(
    to top, transparent 0, transparent calc(20% - 1px), var(--line) calc(20% - 1px), var(--line) 20%);
}
.bar-seg { width: 100%; }
.bar-seg:hover { filter: brightness(1.15); }
.bar-seg.heizung { background: var(--c-heizung); }
.bar-seg.wwwasser { background: var(--c-ww-wasser); }
.bar-seg.wwenergie { background: var(--c-ww-energie); }
.bar-seg.kaltwasser { background: var(--c-kaltwasser); }

.bar-label { text-align: center; font-size: 11px; color: var(--muted); margin-top: 8px; }
.bar-value { text-align: center; font-size: 11px; font-weight: 600; color: var(--ink); margin-bottom: 4px; font-variant-numeric: tabular-nums; }
.bar-month { font-weight: 600; }

/* ---------- Tabelle ---------- */
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th, .tbl td { padding: 9px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.tbl thead th { font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.tbl tbody tr:last-child td { border-bottom: none; }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tbl tfoot td { font-weight: 700; border-top: 2px solid var(--line); border-bottom: none; }
.tbl .cat { font-weight: 600; }
.tbl .sw { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 8px; }

/* ---------- Preise (kompakte Kopfzeile, 4 Spalten) ---------- */
.preis-zeile {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
  gap: 12px;
  align-items: end;
}
.preis-mini { display: grid; gap: 4px; min-width: 0; }
.preis-mini label {
  font-size: 11.5px; font-weight: 600; color: var(--muted);
  display: flex; align-items: center; gap: 6px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.preis-mini .sw { width: 9px; height: 9px; border-radius: 3px; display: inline-block; flex: none; }
.preis-mini input {
  width: 100%; min-width: 0; padding: 5px 8px; font-size: 13.5px;
  border: 1px solid var(--line); border-radius: 7px;
  background: var(--card); color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.preis-mini input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.preis-reset {
  align-self: center;
  width: 34px; height: 34px; padding: 0;
  font-size: 16px; line-height: 1;
  border: 1px solid var(--line); border-radius: 8px;
  background: var(--card); color: var(--muted); cursor: pointer;
}
.preis-reset:hover { border-color: var(--accent); color: var(--accent); }

@media (max-width: 640px) {
  .preis-zeile { grid-template-columns: repeat(2, minmax(0, 1fr)) auto; }
}

.note { font-size: 12.5px; color: var(--muted); margin: 14px 0 0; max-width: 70ch; }

/* ---------- Quelldaten ---------- */
.src-block { margin-bottom: 18px; }
.src-block h3 { font-size: 14px; margin: 0 0 6px; display: flex; align-items: center; gap: 8px; }
.src-block .sw { width: 10px; height: 10px; border-radius: 3px; }
.src-block .small { font-size: 12px; color: var(--muted); margin: 0 0 10px; }

/* ---------- Monatsansicht / Blättern ---------- */
.dim { color: var(--muted); font-weight: 400; font-size: .82em; }

.pager {
  display: flex; align-items: center; justify-content: center; gap: 18px;
  margin: 6px 0 18px;
}
.arrow {
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--bg); color: var(--ink);
  font-size: 24px; line-height: 1; cursor: pointer;
  display: grid; place-items: center;
  transition: border-color .12s, color .12s;
}
.arrow:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.arrow:disabled { opacity: .3; cursor: default; }
.pager-center { text-align: center; min-width: 220px; }
.pager-month { font-size: 22px; font-weight: 700; }
.pager-sub { font-size: 12.5px; color: var(--muted); margin-top: 2px; }

.month-kpis { margin-bottom: 18px; }
.month-kpis .kpi .value { font-size: 22px; }
.year-kpis { margin-top: 22px; }

/* ---------- Jahres-Tabs ---------- */
.year-tabs { display: flex; gap: 8px; }
.year-tabs button {
  padding: 6px 14px; font-size: 13.5px; font-weight: 600;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--bg); color: var(--ink); cursor: pointer;
}
.year-tabs button:hover { border-color: var(--accent); color: var(--accent); }
.year-tabs button.active {
  background: var(--accent); border-color: var(--accent); color: #fff;
}
@media (prefers-color-scheme: dark) {
  .year-tabs button.active { color: #06222c; }
}

/* Chart: leere (noch nicht gemessene) Monate */
.bar-col.empty .bar-track {
  background: repeating-linear-gradient(
    to top, transparent 0, transparent 8px, var(--line) 8px, var(--line) 9px);
}
.bar-col.empty .bar-label { color: var(--muted); opacity: .6; }
.bar-col.clickable { cursor: pointer; }
.bar-col.selected .bar-track { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

/* Extrapolierte (geschätzte) Zukunftsmonate in Grauschattierung */
.bar-col.extrapoliert .bar-seg { background: var(--c-extrapoliert) !important; }
.bar-col.extrapoliert .bar-track { outline: 1px dashed var(--muted); outline-offset: 1px; }
.bar-col.extrapoliert .bar-value { color: var(--muted); }
.bar-col.extrapoliert:hover .bar-seg { filter: brightness(1.1); }

/* ---------- Fuß ---------- */
.foot { border-top: 1px solid var(--line); background: var(--card); padding: 20px 0; }
.foot p { font-size: 12.5px; color: var(--muted); margin: 0; max-width: 90ch; }

@media (max-width: 640px) {
  .top .wrap { flex-direction: column; align-items: flex-start; }
  .kpi .value { font-size: 22px; }
}

/* ---------- Zugang (Gate / Minol / Laden) ---------- */
.auth { display: grid; place-items: center; min-height: calc(100vh - 120px); padding-top: 24px; padding-bottom: 48px; }
.auth-card {
  width: 100%; max-width: 440px;
  padding: 26px 28px;
}
.auth-card h2 { font-size: 20px; margin: 0 0 6px; }
.auth-card .hint { font-size: 13.5px; line-height: 1.55; margin: 0 0 18px; }
.auth-label {
  display: block; font-size: 12.5px; font-weight: 600; color: var(--muted);
  margin: 14px 0 5px;
}
.auth-row { display: flex; gap: 10px; align-items: center; }
.auth-input {
  flex: 1; min-width: 0;
  padding: 10px 12px; font-size: 15px;
  border: 1px solid var(--line); border-radius: 9px;
  background: var(--bg); color: var(--ink);
}
.auth-input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.auth-msg { min-height: 1.2em; margin: 14px 0 0; font-size: 13.5px; color: #dc2626; }
@media (prefers-color-scheme: dark) {
  .auth-msg { color: #f87171; }
}
.auth-foot { margin: 10px 0 0; font-size: 12px; color: var(--muted); }

.btn {
  flex: none;
  padding: 10px 18px; font-size: 14.5px; font-weight: 600;
  border: 1px solid var(--accent); border-radius: 9px;
  background: var(--accent); color: #fff; cursor: pointer;
  white-space: nowrap;
}
@media (prefers-color-scheme: dark) {
  .btn { color: #06222c; }
}
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .55; cursor: default; }

.btn-ghost {
  padding: 6px 14px; font-size: 13px; font-weight: 600;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--card); color: var(--ink); cursor: pointer;
  white-space: nowrap;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* Spinner (Ladeanzeige beim Datenabruf) */
.spinner {
  width: 44px; height: 44px; margin: 26px auto;
  border-radius: 50%;
  border: 4px solid var(--line);
  border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Lade-Screen: Live-Schritt-Status (fester Bereich, kein Layout-Springen) */
.step-line {
  min-height: 2.2em;
  margin: 0 0 4px;
  text-align: center;
  font-weight: 600;
  color: var(--ink);
}
#screen-loading { text-align: center; }
#screen-loading .spinner { margin: 22px auto 10px; }