:root {
  /* Brand „Energie v klidu“ – stejné tokeny jako na webu porovnávače */
  --bg: #FBF8F3;            /* cream */
  --panel: #FFFFFF;
  --panel-2: #F1F8F2;       /* green-50 */
  --border: #E8E5DF;
  --border-strong: #D5D1C8;
  --text: #1F2933;          /* ink */
  --heading: #0D1B2A;       /* navy */
  --muted: #6B7280;
  --accent: #4CAF50;        /* green */
  --accent-dark: #3E9E43;
  --accent-soft: #E5F1E7;   /* green-100 */
  --green: #3E9E43;
  --green-soft: #E5F1E7;
  --amber: #8A6A00;
  --amber-soft: #FDF3D8;
  --red: #B3261E;
  --red-soft: #FDECEA;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(13,27,42,.05), 0 8px 24px rgba(13,27,42,.07);
  --font-brand: 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0D1B2A; --panel: #14263A; --panel-2: #1B3247; --border: #24394F; --border-strong: #34506B;
    --text: #E4EBF2; --heading: #FFFFFF; --muted: #93A5B8;
    --accent: #6FCF74; --accent-dark: #8BC34A; --accent-soft: #17321F;
    --green: #6FCF74; --green-soft: #14301D; --amber: #F9C10A; --amber-soft: #33290A;
    --red: #F08B84; --red-soft: #331A18;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
  }
}
* { box-sizing: border-box; }
/* atribut hidden musí přebít i .boot/.auth-wrap, které mají vlastní display */
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- layout --- */
.app { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--panel); border-right: 1px solid var(--border);
  padding: 18px 12px; display: flex; flex-direction: column; gap: 4px; position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 8px; padding: 6px 10px 16px; }
.brand-icon { height: 26px; width: auto; }
.auth-icon { height: 40px; width: auto; }
/* Slovní značka: LKK tmavě, Energy v brandové zelené */
.wordmark {
  font-family: var(--font-brand); font-weight: 700; font-size: 19px; letter-spacing: -.2px;
  color: var(--heading); line-height: 1; white-space: nowrap;
}
.wordmark span { color: var(--accent); margin-left: .28em; }
.wordmark.small { font-size: 15px; }
.brand-tag {
  font-family: var(--font-brand); font-size: 10.5px; font-weight: 700; letter-spacing: .7px;
  color: var(--accent-dark); background: var(--accent-soft); padding: 2px 8px; border-radius: 99px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 9px 11px; border-radius: 9px;
  color: var(--text); font-weight: 500; cursor: pointer; border: 0; background: none; width: 100%;
  text-align: left; font-size: 13.5px;
}
.nav-item:hover { background: var(--panel-2); text-decoration: none; }
.nav-item.active { background: var(--accent-soft); color: var(--accent); }
.nav-item .count { margin-left: auto; font-size: 11px; background: var(--red); color: #fff; border-radius: 99px; padding: 1px 7px; }
.sidebar .spacer { flex: 1; }
.sidebar .foot { font-size: 11px; color: var(--muted); padding: 8px 11px; }

main { padding: 26px 30px 60px; max-width: 1240px; width: 100%; }
.page-head { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 20px; flex-wrap: wrap; }
.page-head h1 { font-size: 22px; margin: 0 0 3px; letter-spacing: -.2px;
  font-family: var(--font-brand); font-weight: 700; color: var(--heading); }
.page-head .sub { color: var(--muted); font-size: 13px; }
.page-head .actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }

/* --- prvky --- */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card + .card { margin-top: 16px; }
.card-head { padding: 14px 18px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.card-head h2 { font-size: 14.5px; margin: 0; font-family: var(--font-brand); font-weight: 600; color: var(--heading); }
.card-head .actions { margin-left: auto; display: flex; gap: 8px; }
.card-body { padding: 16px 18px; }
.empty { padding: 26px 18px; text-align: center; color: var(--muted); font-size: 13px; }

button, .btn {
  font: inherit; font-size: 13px; font-weight: 500; padding: 8px 14px; border-radius: 9px;
  border: 1px solid var(--border-strong); background: var(--panel); color: var(--text); cursor: pointer;
  display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
}
button:hover, .btn:hover { background: var(--panel-2); text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff;
  box-shadow: 0 4px 12px rgba(76,175,80,.22); }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-danger { color: var(--red); border-color: var(--border-strong); }
.btn-sm { padding: 5px 10px; font-size: 12px; border-radius: 8px; }
.btn-ghost { border-color: transparent; background: transparent; }

input, select, textarea {
  font: inherit; font-size: 13.5px; width: 100%; padding: 8px 11px; border-radius: 9px;
  border: 1px solid var(--border-strong); background: var(--panel); color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
textarea { min-height: 74px; resize: vertical; }
label.field { display: block; }
label.field > span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 5px; font-weight: 500; }
label.check { display: flex; align-items: center; gap: 8px; font-size: 13.5px; padding-top: 20px; }
label.check input { width: auto; }
.hint { font-size: 11.5px; color: var(--muted); margin-top: 4px; }
.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 13px; }
.c2 { grid-column: span 2; } .c3 { grid-column: span 3; } .c4 { grid-column: span 4; }
.c5 { grid-column: span 5; } .c6 { grid-column: span 6; }
.c8 { grid-column: span 8; } .c12 { grid-column: span 12; }
@media (max-width: 900px) {
  .c2, .c3, .c4, .c5, .c6, .c8 { grid-column: span 12; }
}
.form-section { grid-column: span 12; font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .5px; color: var(--muted); margin: 8px 0 -4px; }

table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); padding: 10px 14px; border-bottom: 1px solid var(--border); font-weight: 600; }
td { padding: 11px 14px; border-bottom: 1px solid var(--border); font-size: 13.5px; vertical-align: middle; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr.clickable { cursor: pointer; }
tbody tr.clickable:hover { background: var(--panel-2); }
td.right, th.right { text-align: right; }
td.nowrap { white-space: nowrap; }

.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 600;
  padding: 2px 9px; border-radius: 99px; background: var(--panel-2); border: 1px solid var(--border); color: var(--muted); }
.badge.el { background: var(--amber-soft); color: var(--amber); border-color: transparent; }
.badge.gas { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.badge.ok { background: var(--green-soft); color: var(--green); border-color: transparent; }
.badge.warn { background: var(--amber-soft); color: var(--amber); border-color: transparent; }
.badge.danger { background: var(--red-soft); color: var(--red); border-color: transparent; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 13px; margin-bottom: 20px; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 15px 17px; box-shadow: var(--shadow); }
.stat .label { font-size: 11.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; font-weight: 600; }
.stat .value { font-size: 25px; font-weight: 700; letter-spacing: -.5px; margin-top: 5px;
  font-family: var(--font-brand); color: var(--heading); }
.stat .sub { font-size: 12px; color: var(--muted); margin-top: 2px; }

.alert-row { display: flex; align-items: center; gap: 12px; padding: 12px 18px; border-bottom: 1px solid var(--border); }
.alert-row:last-child { border-bottom: 0; }
.alert-row .who { font-weight: 600; }
.alert-row .meta { font-size: 12.5px; color: var(--muted); }
.alert-row .right { margin-left: auto; display: flex; align-items: center; gap: 10px; text-align: right; }
.dot { width: 8px; height: 8px; border-radius: 99px; flex: none; }
.dot.red { background: var(--red); } .dot.amber { background: var(--amber); } .dot.green { background: var(--green); } .dot.blue { background: var(--accent); }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; flex-wrap: wrap; }
.tab { padding: 9px 14px; border: 0; background: none; cursor: pointer; font-size: 13.5px; font-weight: 500;
  color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.toolbar { display: flex; gap: 9px; flex-wrap: wrap; align-items: center; margin-bottom: 15px; }
.toolbar input[type=search] { max-width: 320px; }
.toolbar select { width: auto; min-width: 150px; }

/* --- modal --- */
.overlay { position: fixed; inset: 0; background: rgba(9,12,17,.5); display: grid; place-items: center;
  padding: 24px; z-index: 50; backdrop-filter: blur(2px); }
.modal { background: var(--panel); border-radius: 14px; box-shadow: 0 24px 64px rgba(0,0,0,.3);
  width: min(760px, 100%); max-height: 88vh; display: flex; flex-direction: column; border: 1px solid var(--border); }
.modal header { padding: 17px 22px; border-bottom: 1px solid var(--border); font-weight: 650; font-size: 15px; }
.modal .content { padding: 20px 22px; overflow: auto; }
.modal footer { padding: 14px 22px; border-top: 1px solid var(--border); display: flex; gap: 9px; justify-content: flex-end; }
.modal footer .left { margin-right: auto; }

.suggest { position: relative; }
.suggest ul { position: absolute; z-index: 5; top: 100%; left: 0; right: 0; margin: 4px 0 0; padding: 4px;
  list-style: none; background: var(--panel); border: 1px solid var(--border-strong); border-radius: 10px; box-shadow: var(--shadow); max-height: 240px; overflow: auto; }
.suggest li { padding: 8px 10px; border-radius: 7px; cursor: pointer; font-size: 13px; }
.suggest li:hover, .suggest li.sel { background: var(--accent-soft); }

.toast-wrap { position: fixed; bottom: 22px; right: 22px; display: flex; flex-direction: column; gap: 9px; z-index: 100; }
.toast { background: var(--panel); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  padding: 11px 16px; border-radius: 10px; box-shadow: var(--shadow); font-size: 13.5px; animation: slide .2s ease; }
.toast.err { border-left-color: var(--red); }
.toast.ok { border-left-color: var(--green); }
@keyframes slide { from { opacity: 0; transform: translateY(8px); } }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 7px 18px; font-size: 13.5px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-weight: 500; }
.muted { color: var(--muted); }
.big-price { font-size: 20px; font-weight: 700; letter-spacing: -.4px; font-family: var(--font-brand); color: var(--heading); }
.row-between { display: flex; align-items: center; gap: 12px; }
.wrap-gap { display: flex; flex-wrap: wrap; gap: 8px; }

/* ===========================================================================
   Přihlášení
   =========================================================================== */
.boot { min-height: 100vh; display: grid; place-items: center; }
.spinner { width: 26px; height: 26px; border-radius: 50%; border: 2.5px solid var(--border);
  border-top-color: var(--accent); animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-card { background: var(--panel); border: 1px solid var(--border); border-radius: 16px;
  box-shadow: var(--shadow); padding: 30px 28px; width: min(400px, 100%); }
.auth-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }

.auth-sub { color: var(--muted); font-size: 13px; margin: 0 0 20px; line-height: 1.5; }
.auth-card .field { margin-bottom: 14px; }
.auth-submit { width: 100%; justify-content: center; padding: 11px; font-size: 14px; margin-top: 4px; }
.auth-links { display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; margin-top: 16px; }
.linklike { border: 0; background: none; padding: 0; color: var(--accent); cursor: pointer; font-size: 12.5px; }
.linklike:hover { text-decoration: underline; background: none; }
.auth-msg { font-size: 13px; padding: 10px 12px; border-radius: 9px; margin-bottom: 12px;
  background: var(--red-soft); color: var(--red); }
.auth-msg.ok { background: var(--green-soft); color: var(--green); }

.sidebar .foot { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
.sidebar .foot .who { font-size: 11.5px; color: var(--muted); word-break: break-all; }

/* ===========================================================================
   Mobil a tablet
   =========================================================================== */
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: sticky; top: 0; z-index: 30; height: auto; flex-direction: row; align-items: center;
    gap: 2px; padding: 6px 8px; overflow-x: auto; -webkit-overflow-scrolling: touch;
    border-right: 0; border-bottom: 1px solid var(--border);
    padding-top: max(6px, env(safe-area-inset-top));
  }
  .sidebar::-webkit-scrollbar { display: none; }
  .brand { padding: 4px 6px 4px 2px; gap: 6px; }
  .brand-icon { height: 22px; }
  .wordmark.small { font-size: 13px; }
  .brand-tag { display: none; }
  .nav-item { width: auto; flex: none; padding: 8px 10px; font-size: 12.5px; gap: 6px; }
  .nav-item .ic { font-size: 14px; }
  .sidebar .spacer { display: none; }
  .sidebar .foot { flex-direction: row; align-items: center; gap: 8px; padding: 0 4px 0 8px; margin-left: auto; }
  .sidebar .foot .who { display: none; }

  main { padding: 16px 14px 48px; }
  .page-head h1 { font-size: 19px; }
  .page-head .actions { margin-left: 0; width: 100%; }
  .page-head .actions .btn, .page-head .actions button { flex: 1; justify-content: center; }
  .stats { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
  .stat .value { font-size: 21px; }

  /* tabulky se na mobilu posouvají do stran místo rozbití stránky */
  .card > table, .table-scroll { display: block; overflow-x: auto; white-space: nowrap; }
  .toolbar { gap: 7px; }
  .toolbar input[type=search] { max-width: none; flex: 1 1 100%; }
  .toolbar select { flex: 1 1 40%; min-width: 0; }

  .alert-row { flex-wrap: wrap; padding: 12px 14px; }
  .alert-row .right { margin-left: 0; width: 100%; justify-content: space-between;
    padding-top: 8px; border-top: 1px dashed var(--border); text-align: left; }

  .modal { max-height: 92vh; border-radius: 14px 14px 0 0; align-self: flex-end; }
  .overlay { padding: 0; }
  .modal header { padding: 15px 18px; }
  .modal .content { padding: 16px 18px; }
  .modal footer { padding: 12px 18px calc(12px + env(safe-area-inset-bottom)); }
  .card-head { flex-wrap: wrap; }
  .card-head .actions { margin-left: auto; }
  .kv { grid-template-columns: 1fr !important; }
  .toast-wrap { left: 14px; right: 14px; bottom: 14px; }
}

/* na dotykových zařízeních ať se nezvětšuje stránka při psaní */
@media (max-width: 900px) { input, select, textarea { font-size: 16px; } }