:root {
  color-scheme: dark;
  --bg: #081426;
  --surface: #10243d;
  --surface-2: #1a3352;
  --line: rgba(153, 197, 235, 0.22);
  --accent: #50d2dd;
  --text: #f0f8f5;
  --muted: #a7bbd2;
  --mint: #83cfb0;
  --mint-deep: #173e35;
  --yellow: #e0b86c;
  --yellow-bg: #443824;
  --red: #e29a9d;
  --red-bg: #462b35;
  --grey: #b9c4c0;
  --grey-bg: #1c2624;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 85% -10%, rgba(49, 130, 195, 0.16), transparent 32rem),
    var(--bg);
  color: var(--text);
}
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width: min(100%, 760px); margin: 0 auto; padding: 18px 18px 48px; }
.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.brand { color: var(--text); text-decoration: none; font-size: 1.35rem; font-weight: 750; letter-spacing: -0.04em; display: flex; align-items: center; gap: 10px; }
.brand-mark { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 12px; background: var(--mint); color: #05231a; font-weight: 900; }
.actions { display: flex; align-items: center; gap: 12px; }
.live-dot { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: .82rem; }
.live-dot i { width: 7px; height: 7px; background: var(--mint); border-radius: 99px; box-shadow: 0 0 0 4px rgba(114,227,178,.1); }
.language { border: 1px solid var(--line); color: var(--text); background: var(--surface); border-radius: 12px; min-width: 44px; height: 40px; font-weight: 750; cursor: pointer; }
.status-card { position: relative; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 26px; border: 1px solid transparent; border-radius: 28px; box-shadow: var(--shadow); transition: background .3s ease, border-color .3s ease; }
.status-card h1 { font-size: clamp(1.7rem, 7vw, 2.65rem); line-height: 1.05; letter-spacing: -.045em; margin: 6px 0 10px; max-width: 520px; }
.status-card p:last-child { margin: 0; max-width: 490px; line-height: 1.5; }
.status-orb { flex: 0 0 auto; width: 74px; height: 74px; display: grid; place-items: center; border-radius: 99px; font-weight: 900; font-size: 2rem; transition: background .3s ease; }

/* Kolory statusu pulpitu — jedyne miejsce, w którym trzeba dodać
   wygląd dla nowego statusu, jeśli kiedyś dojdzie piąty. Logika
   wyboru statusu żyje wyłącznie w backendzie (status.py). */
.status-yellow { border-color: rgba(255,209,102,.25); background: linear-gradient(135deg, var(--yellow-bg), #251f0e); }
.status-yellow p:last-child { color: #d9d1b5; }
.status-yellow .status-orb { background: var(--yellow); color: #332500; box-shadow: 0 0 0 14px rgba(255,209,102,.08); }

.status-green { border-color: rgba(114,227,178,.28); background: linear-gradient(135deg, var(--mint-deep), #0c2119); }
.status-green p:last-child { color: #cdeee0; }
.status-green .status-orb { background: var(--mint); color: #05231a; box-shadow: 0 0 0 14px rgba(114,227,178,.1); }

.status-red { border-color: rgba(255,143,122,.3); background: linear-gradient(135deg, var(--red-bg), #250c08); }
.status-red p:last-child { color: #f2d4cd; }
.status-red .status-orb { background: var(--red); color: #3a0f06; box-shadow: 0 0 0 14px rgba(255,143,122,.1); }

.status-unknown { border-color: rgba(185,196,192,.22); background: linear-gradient(135deg, var(--grey-bg), #101815); }
.status-unknown p:last-child { color: #c4cfcb; }
.status-unknown .status-orb { background: var(--grey); color: #10201c; box-shadow: 0 0 0 14px rgba(185,196,192,.1); }
.eyebrow { margin: 0; color: var(--muted); font-size: .75rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.demo-banner { display: flex; gap: 8px; margin: 14px 4px 4px; padding: 10px 12px; color: #c8d5d0; font-size: .78rem; }
/* `display: flex` powyżej przebija domyślne ukrywanie przez atrybut
   [hidden] (te same specyficzności, ale reguła autora bije UA) -- bez
   tego banner "Demovisning" zostałby pokazany na stałe, nawet gdy
   demo=false (prawdziwe dane Tibbera). Znalezione podczas przeglądu
   2026-09-01, nigdy wcześniej niewykryte, bo demo zawsze było true. */
.demo-banner[hidden] { display: none; }
.demo-banner strong { color: var(--mint); white-space: nowrap; }

/* Kafelki rekomendacji przeniesione bezpośrednio pod status/baner demo
   (zadanie 21) -- decision-panel ma teraz mniejszy górny odstęp niż
   pozostałe panele, żeby zmieścić się razem ze statusem bez przewijania. */
.decision-panel { margin-top: 12px; }

.admin-marker { margin: 26px 2px 4px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.admin-marker .greeting { font-size: 1rem; font-weight: 800; letter-spacing: -.02em; color: var(--text); }
.admin-marker .chip { color: #dbe8e3; }

.metrics-eyebrow { margin: 22px 4px 8px; }
.section-divider-title { margin: 30px 4px 4px; font-size: 1.05rem; letter-spacing: -.02em; color: var(--text); }

.metrics { display: grid; grid-template-columns: 1fr; gap: 12px; margin-top: 0; }
.metric, .panel { border: 1px solid var(--line); background: linear-gradient(145deg, rgba(19,39,35,.92), rgba(9,23,20,.96)); border-radius: 22px; }
.metric { padding: 20px; min-height: 180px; }
.metric-primary { background: linear-gradient(145deg, #173e33, #0d261f); }
.metric-icon { font-size: 1.45rem; color: var(--mint); }
.metric p { margin: 24px 0 7px; color: var(--muted); }
.metric strong { display: block; font-size: clamp(2rem, 8vw, 3.1rem); letter-spacing: -.06em; }
.metric small { font-size: .95rem; color: var(--muted); letter-spacing: 0; }
.metric-note { display: block; color: var(--muted); font-size: .74rem; margin-top: 8px; }
.panel { padding: 21px; margin-top: 12px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; }
.section-heading h2 { margin: 5px 0 0; font-size: 1.25rem; letter-spacing: -.025em; }
.section-heading > strong { font-size: .93rem; color: #dbe8e3; white-space: nowrap; }
.progress { height: 9px; overflow: hidden; background: #071511; border-radius: 99px; margin: 20px 0 10px; }
.progress span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--mint), #c1f47a); transition: width .55s ease; }
.panel-note { color: var(--muted); font-size: .8rem; margin: 0; }
.chip { border: 1px solid var(--line); border-radius: 99px; padding: 7px 10px; color: var(--muted); font-size: .75rem; }
.capacity-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 16px; }
.capacity-summary .eyebrow { margin: 0 0 5px; }
.capacity-summary strong { font-size: 1rem; }
.climate-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 16px; }
.climate-grid .eyebrow { margin: 0 0 5px; }
.climate-grid strong { font-size: 1.05rem; }
.climate-panel .panel-note { margin-top: 14px; }
.energiledd-panel .panel-note strong { color: var(--text); }
.cost-breakdown { list-style: none; margin: 16px 0 10px; padding: 0; }
.cost-breakdown li { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 0; border-top: 1px solid var(--line); font-size: .85rem; }
.cost-breakdown li:first-child { border-top: none; }
.cost-breakdown li strong { white-space: nowrap; }
.peaks { list-style: none; margin: 18px 0 0; padding: 0; }
.peaks li { display: grid; grid-template-columns: 28px 1fr auto; align-items: center; gap: 10px; padding: 13px 0; border-top: 1px solid var(--line); }
.peaks span:first-child { display: grid; place-items: center; width: 25px; height: 25px; border-radius: 8px; background: var(--mint-deep); color: var(--mint); font-size: .75rem; font-weight: 800; }
.peaks b { font-size: .9rem; font-weight: 650; }
.peaks strong { font-size: .93rem; }
.decision-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin-top: 18px; }
/* Kafelki są informacją, NIE przyciskami uruchamiającymi urządzenia --
   świadomie <article>, nie <button> (zadanie 21, pkt 1). */
.decision-tile { min-width: 0; text-align: left; border: 1px solid var(--line); background: rgba(4,14,11,.45); color: var(--text); padding: 15px 12px; border-radius: 17px; }
.decision-tile > span { display: block; color: var(--yellow); font-size: 1.2rem; margin-bottom: 18px; }
.decision-tile b, .decision-tile small { display: block; overflow-wrap: anywhere; }
.decision-tile b { font-size: .83rem; }
.decision-tile small { margin-top: 5px; font-size: .7rem; color: var(--grey); }
/* Kolor rekomendacji urządzenia odzwierciedla verdict z API
   (backend/appliances.py) — ten sam zestaw kolorów co karta stanu. */
.decision-tile.verdict-green small { color: var(--mint); }
.decision-tile.verdict-yellow small { color: var(--yellow); }
.decision-tile.verdict-red small { color: var(--red); }
.decision-tile.verdict-unknown small { color: var(--grey); }

/* Zadanie 25 — bojlery: TYLKO DO ODCZYTU (świadomie <article>, nie
   <button> ani <input>, tak samo jak .decision-tile powyżej — żaden
   klik nic nie wysyła). Cztery jawne stany karty (boiler-status-*)
   mapują 1:1 na card_status z API, ten sam kolor co reszta pulpitu:
   mint = gotowy, yellow = grzeje teraz (aktywnie pobiera moc), red =
   offline, grey = brak aktualnego pomiaru. */
.boilers-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
.boiler-card { border: 1px solid var(--line); background: rgba(4,14,11,.45); border-radius: 17px; padding: 15px 14px; }
.boiler-card-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.boiler-card-head strong { font-size: .88rem; overflow-wrap: anywhere; }
.boiler-card-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.boiler-card-metrics .eyebrow { margin: 0 0 3px; }
.boiler-card-metrics strong { font-size: .9rem; }
.boiler-card .panel-note { margin-top: 10px; }
.boiler-card .chip.boiler-status-heating { color: var(--yellow); border-color: var(--yellow); background: var(--yellow-bg); }
.boiler-card .chip.boiler-status-ready { color: var(--mint); border-color: var(--mint); background: var(--mint-deep); }
.boiler-card .chip.boiler-status-no_reading { color: var(--grey); border-color: var(--grey); background: var(--grey-bg); }
.boiler-card .chip.boiler-status-offline { color: var(--red); border-color: var(--red); background: var(--red-bg); }

.admin-marker { padding: 18px 22px; margin: 0 0 16px; border: 1px solid var(--line); border-radius: 22px; background: var(--surface); }
.admin-marker .greeting { font-size: 1.35rem; }
.admin-marker #logout { margin-left: auto; padding-inline: 12px; }
.metric { display: grid; grid-template-columns: 28px minmax(0,1fr) auto; align-items: center; gap: 8px 14px; min-height: 0; }
.metric p { margin: 0; }
.metric strong { font-size: clamp(1.7rem, 5vw, 2.5rem); white-space: nowrap; }
.metric-note { grid-column: 2 / -1; margin: 0; }
.boiler-card { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 10px 22px; align-items: center; }
.boiler-card-head { flex-wrap: wrap; margin: 0; }
.boiler-card .panel-note { grid-column: 1 / -1; margin: 0; }
.login-panel { max-width: 480px; margin: 8vh auto 0; }
.login-panel form { display: grid; gap: 12px; margin: 24px 0; }
.login-panel input, .login-panel select, .login-panel button { width: 100%; font: inherit; padding: 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); color: var(--text); }
.login-panel button { background: var(--mint); color: var(--bg); font-weight: 750; cursor: pointer; }
#login-error { color: var(--red); }
.ev-panel p { line-height: 1.6; }
.cost-breakdown li { flex-wrap: wrap; }
footer { display: flex; justify-content: space-between; gap: 18px; color: var(--muted); font-size: .7rem; padding: 24px 5px 0; }
/* Approved navy/turquoise theme: semantic colours remain independent. */
.metric, .panel { background: linear-gradient(145deg, #142e4c, #0c2039); }
.metric-primary { background: linear-gradient(145deg, #193c58, #10253f); }
.decision-tile, .boiler-card { background: var(--surface-2); }
.brand-mark { color: var(--accent); background: transparent; border: 2px solid var(--accent); border-radius: 6px; }
.metric-icon, .decision-tile > span { color: var(--accent); }
.decision-tile > span svg { width: 64px; height: 64px; }
.status-green { background: linear-gradient(135deg, #173e35, #102c30); border-color: #426c61; }
.status-yellow { background: linear-gradient(135deg, #443824, #302b25); border-color: #756044; }
.status-red { background: linear-gradient(135deg, #462b35, #302330); border-color: #80505c; }
.status-card .status-orb { box-shadow: none; }
.progress { background: var(--bg); }
.progress span { background: linear-gradient(90deg, #258dba, var(--accent)); }
.ev-summary { display: flex; align-items: center; gap: 20px; margin: 16px 0; }
.ev-icon { width: 90px; flex: 0 0 90px; color: var(--accent); }
.ev-month-total { display: block; color: var(--accent); font-size: 1.8rem; margin-top: 5px; }
.ev-cost-total { margin: 16px 0 22px; }
.ev-cost-total > strong { display: block; font-size: clamp(2.4rem, 8vw, 3.5rem); color: var(--accent); letter-spacing: -.04em; margin: 6px 0; }
.ev-cost-total .panel-note { margin: 0; }
#ev-power-now { font-size: 1.35rem; }
.ev-cost-basis { font-size: .72rem; }
.ev-heading { display: flex; align-items: center; gap: 16px; min-width: 0; }
.ev-heading .ev-icon { width: 64px; flex: 0 0 64px; height: 48px; }
.section-heading .section-icon { width: 28px; height: 28px; color: var(--accent); vertical-align: middle; margin-right: 10px; }
.metric-icon svg { width: 100%; height: 100%; }
.monthly-total { margin: 18px 0; padding: 18px; border: 1px solid #38728a; border-radius: 17px; background: #102b40; }
#month-grand-total { display: block; color: var(--accent); font-size: clamp(2rem, 7vw, 3rem); letter-spacing: -.04em; margin: 8px 0 16px; overflow-wrap: anywhere; }
.allocation-row { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 8px 16px; padding: 10px 0; border-top: 1px solid var(--line); font-size: .85rem; }
.allocation-row b { white-space: nowrap; }
.per-person b { color: var(--mint); font-size: 1.4rem; }
.monthly-total .panel-note { margin-top: 8px; }
@media (max-width: 520px) {
  .shell { padding-inline: 13px; }
  .status-card { padding: 22px; }
  .status-orb { width: 56px; height: 56px; font-size: 1.5rem; }
  .demo-banner { display: block; }
  .demo-banner strong { display: block; margin-bottom: 3px; }
  /* Trzy karty metryk (moc/zużycie godziny/prognoza) jedna pod drugą na
     wąskim telefonie -- 3 wąskie kolumny ścisnęłyby etykiety i liczby
     nieczytelnie; ta sekcja jest już pod rekomendacjami, więc dodatkowa
     wysokość tutaj nie psuje widoczności najważniejszej decyzji. */
  .metrics { grid-template-columns: 1fr; }
  .metric { padding: 16px; min-height: 0; }
  .metric p { margin-top: 10px; font-size: .8rem; }
  .boiler-card { grid-template-columns: 1fr; }
  .decision-grid { grid-template-columns: 1fr; }
  /* Ikona + nazwa w pierwszym rzędzie, werdykt na pełną szerokość niżej --
     wcześniejszy układ "30px 1fr auto" ściskał nazwę urządzenia do
     kilku pikseli (werdykt jest zwykle dłuższy niż nazwa), co łamało
     "Pralka"/"Gotowanie"/"Zmywarka" znak po znaku. */
  .decision-tile { display: grid; grid-template-columns: 30px 1fr; align-items: center; gap: 4px 8px; }
  .decision-tile > span { margin: 0; grid-row: 1; }
  .decision-tile > span svg { width: 30px; height: 30px; }
  .decision-tile b { grid-row: 1; }
  .decision-tile small { grid-column: 1 / -1; margin: 0; }
}