/* =========================================================
   Virtuální sdílení INENERGIE — v0.1
   Barvy: ink #171717 a modrá #009FDD přímo z loga
   Písmo: Archivo (blízké tvarosloví loga) + IBM Plex Mono na čísla
   ========================================================= */

:root {
  --ink: #171717;
  --paper: #ffffff;
  --mist: #eef3f7;
  --line: #d9e3ea;
  --dim: #5a6b77;
  --brand: #009fdd;
  --brand-deep: #007fb3;
  --brand-soft: #d4eefb;
  --ok: #1a9e64;
  --pismo: "Archivo", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--pismo);
  color: var(--ink);
  background: var(--mist);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--brand-deep); }
button { font-family: inherit; }

.paticka {
  margin-top: auto;
  padding: 18px 24px;
  font-size: 12px;
  color: var(--dim);
  text-align: center;
}

/* ---------- přihlášení ---------- */

.login-telo { background: var(--paper); }

.login-scena {
  flex: 1;
  display: grid;
  grid-template-columns: 1.05fr minmax(150px, 210px) 1fr;
  min-height: calc(100vh - 54px);
}

.login-brand {
  padding: clamp(32px, 6vw, 88px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.login-logo {
  width: clamp(220px, 26vw, 340px);
  height: auto;
  align-self: flex-start;
  margin-bottom: 44px;
}
.login-brand h1 {
  font-size: clamp(44px, 6vw, 76px);
  line-height: 0.95;
  margin: 0 0 18px;
  font-weight: 800;
  font-stretch: 125%;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--ink);
}
.login-brand h1::after {
  content: "";
  display: block;
  width: 72px;
  height: 6px;
  background: var(--brand);
  margin-top: 22px;
}
.login-claim {
  font-size: 17px;
  line-height: 1.5;
  color: var(--dim);
  margin: 0;
}

/* svislý tok energie mezi výrobci a odběrateli */
.login-tok { display: flex; align-items: stretch; justify-content: center; }
.login-tok svg { width: 100%; height: 100%; min-height: 560px; }

.login-tok .draha {
  fill: none;
  stroke: var(--line);
  stroke-width: 2;
  stroke-linecap: round;
}
.login-tok .kmen-cara {
  stroke: url(#kmen);
  stroke-width: 7;
  stroke-linecap: round;
}
.login-tok .kmen-zare {
  stroke: var(--brand);
  stroke-width: 20;
  stroke-linecap: round;
  opacity: 0.12;
}
.login-tok .ikona rect,
.login-tok .ikona polyline,
.login-tok .ikona line {
  fill: #fff;
  stroke: var(--ink);
  stroke-width: 2;
  stroke-linejoin: round;
}
.login-tok .ikona line { fill: none; stroke-width: 1.5; }
.login-tok .kapka { fill: var(--brand); }
.login-tok .halo  { fill: var(--brand); opacity: 0.2; }

@media (prefers-reduced-motion: reduce) {
  .login-tok .pohyb { display: none; }
}

.login-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}
.login-karta {
  width: min(420px, 100%);
  background: var(--paper);
  display: flex;
  flex-direction: column;
}
.login-karta h2 {
  margin: 0 0 26px;
  font-size: 24px;
  font-weight: 700;
}
.login-karta label {
  font-size: 13px;
  font-weight: 500;
  color: var(--dim);
  margin: 0 0 6px;
}
.login-karta input {
  font: inherit;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  margin-bottom: 18px;
  background: var(--paper);
}
.login-karta input:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 1px;
  border-color: var(--brand);
}
.login-karta button {
  margin-top: 6px;
  padding: 13px 16px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  background: var(--brand);
  border: 0;
  border-radius: 6px;
  cursor: pointer;
}
.login-karta button:hover { background: var(--brand-deep); }
.login-karta button:focus-visible { outline: 3px solid var(--brand-soft); }
.login-napoveda {
  font-size: 13px;
  line-height: 1.55;
  color: var(--dim);
  margin: 22px 0 0;
}
.login-napoveda.tichy { margin-top: 10px; }

@media (max-width: 900px) {
  .login-scena { grid-template-columns: 1fr; }
  .login-tok { display: none; }
  .login-brand { padding-bottom: 8px; }
}

/* ---------- horní lišta přehledu ---------- */

.lista {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding: 12px clamp(16px, 4vw, 40px);
}
.lista-logo { height: 42px; width: auto; }
.lista-nazev {
  font-weight: 700;
  font-size: 15px;
  color: var(--brand-deep);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.lista-mezera { flex: 1; }
.lista-klient { font-size: 14px; font-weight: 500; }
.lista-odhlasit { font-size: 13px; }

/* ---------- plocha přehledu ---------- */

.plocha {
  width: min(1060px, 100%);
  margin: 0 auto;
  padding: 26px clamp(14px, 3vw, 28px) 10px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.ean-prepinac { display: flex; gap: 10px; flex-wrap: wrap; }
.ean-pilulka {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
}
.ean-pilulka strong { font-size: 14px; }
.ean-pilulka span { font-family: var(--mono); font-size: 12px; color: var(--dim); }
.ean-pilulka.aktivni {
  border-color: var(--brand);
  box-shadow: inset 0 0 0 1px var(--brand);
}
.ean-pilulka.aktivni strong { color: var(--brand-deep); }
.ean-pilulka:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

.kpi-rada {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.kpi {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 20px 16px;
}
.kpi.hlavni {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.kpi-popisek {
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dim);
  margin: 0 0 8px;
}
.kpi.hlavni .kpi-popisek { color: #9fb0ba; }
.kpi-cislo {
  font-family: var(--mono);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  margin: 0;
  white-space: nowrap;
}
.kpi.hlavni .kpi-cislo { color: var(--brand); }
.kpi-jednotka { font-size: 15px; font-weight: 500; margin-left: 4px; }
.kpi-pozn { font-size: 12px; color: var(--dim); margin: 6px 0 0; }
.kpi.hlavni .kpi-pozn { color: #9fb0ba; }
.kpi-odznak {
  display: inline-block;
  margin-top: 6px;
  padding: 3px 9px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ok);
  background: #e2f5ec;
  border-radius: 99px;
}

@media (max-width: 720px) {
  .kpi-rada { grid-template-columns: 1fr; }
}

/* ---------- karty ---------- */

.karta {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px 22px;
}
.karta-hlava {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
}
.karta-hlava h2 { margin: 0; font-size: 18px; font-weight: 700; flex: 1; }

.rok-prepinac { display: flex; align-items: center; gap: 8px; }
.rok-hodnota { font-family: var(--mono); font-weight: 600; font-size: 15px; }
.rok-tlacitko {
  width: 28px; height: 28px;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 6px;
  font-size: 15px;
  cursor: pointer;
  color: var(--ink);
}
.rok-tlacitko:disabled { opacity: 0.35; cursor: default; }

/* ---------- graf ---------- */

.graf {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(6px, 1.4vw, 14px);
  align-items: end;
  height: 260px;
  padding-top: 6px;
}
.sloupec {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  height: 100%;
  cursor: pointer;
  border: 0;
  background: none;
  padding: 0;
}
.sloupec:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }

.sloupec-obal {
  position: relative;
  width: 100%;
  border: 2px solid var(--ink);
  border-radius: 6px 6px 0 0;
  background: var(--paper);
  overflow: hidden;
  transition: height .7s cubic-bezier(.2,.7,.3,1);
  height: 0;
}
.sloupec-vypln {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, #33c2f0, var(--brand) 60%, var(--brand-deep));
  transition: height .9s cubic-bezier(.2,.7,.3,1) .15s;
  height: 0;
}
@media (prefers-reduced-motion: reduce) {
  .sloupec-obal, .sloupec-vypln { transition: none; }
}

/* predikce: čárkovaný obrys + šrafovaná výplň */
.sloupec.predikce .sloupec-obal {
  border-style: dashed;
  border-color: #8b99a3;
}
.sloupec.predikce .sloupec-vypln {
  background: repeating-linear-gradient(
    -45deg,
    var(--brand-soft) 0 6px,
    #9adcf5 6px 12px
  );
}

.sloupec.vybrany .sloupec-obal { border-color: var(--brand-deep); }
.sloupec.vybrany:not(.predikce) .sloupec-obal {
  box-shadow: 0 0 0 3px var(--brand-soft);
}

.sloupec-mesic {
  margin-top: 8px;
  font-size: 12px;
  color: var(--dim);
  text-align: center;
}
.sloupec.vybrany .sloupec-mesic { color: var(--brand-deep); font-weight: 700; }

.sloupec-tip {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 5px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .15s;
  z-index: 2;
}
.sloupec:hover .sloupec-tip,
.sloupec:focus-visible .sloupec-tip { opacity: 1; }

.legenda {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--dim);
}
.legenda-polozka { display: flex; align-items: center; gap: 7px; }
.legenda-vzorek {
  width: 15px; height: 15px;
  border-radius: 4px;
  flex: none;
}
.legenda-vzorek.obrys { border: 2px solid var(--ink); background: var(--paper); }
.legenda-vzorek.vypln { background: var(--brand); }
.legenda-vzorek.pred {
  border: 2px dashed #8b99a3;
  background: repeating-linear-gradient(-45deg, var(--brand-soft) 0 4px, #9adcf5 4px 8px);
}

/* ---------- detail měsíce ---------- */

.detail-znacka {
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 99px;
  background: #e2f5ec;
  color: var(--ok);
}
.detail-znacka.pred { background: #fdf1dd; color: #a2690c; }

.protistrana {
  display: grid;
  grid-template-columns: minmax(150px, 220px) 1fr minmax(90px, auto);
  align-items: center;
  gap: 14px;
  padding: 11px 0;
  border-top: 1px solid var(--line);
}
.protistrana:first-child { border-top: 0; }
.protistrana-ean { font-family: var(--mono); font-size: 13px; }
.protistrana-pruh {
  height: 8px;
  border-radius: 99px;
  background: var(--mist);
  overflow: hidden;
}
.protistrana-pruh i {
  display: block;
  height: 100%;
  background: var(--brand);
  border-radius: 99px;
}
.protistrana-mwh {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  text-align: right;
  white-space: nowrap;
}
.detail-souhrn {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 2px solid var(--ink);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  font-size: 14px;
}
.detail-souhrn strong { font-family: var(--mono); }
.detail-pozn { font-size: 13px; color: var(--dim); margin: 12px 0 0; }


/* ---------- admin ---------- */

.varovani {
  background: #fdeaea;
  color: #8e1f1f;
  border: 1px solid #f3c1c1;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
}

.hledani {
  font: inherit;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 6px;
  min-width: min(320px, 100%);
}
.hledani:focus-visible {
  outline: 2px solid var(--brand);
  border-color: var(--brand);
}

.admin-pozn {
  font-size: 13px;
  color: var(--dim);
  margin: 0 0 16px;
  line-height: 1.5;
}

.admin-tabulka {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.admin-tabulka th {
  text-align: left;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--dim);
  padding: 8px 10px;
  border-bottom: 2px solid var(--ink);
}
.admin-tabulka td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.admin-tabulka tr:hover td { background: var(--mist); }
.admin-tabulka .mono { font-family: var(--mono); font-size: 13px; }
.sl-zapojen { width: 70px; text-align: center; }
.sl-pocet   { width: 110px; text-align: center; }
.sl-cislo   { width: 140px; white-space: nowrap; }

.zapojeni-box {
  width: 20px; height: 20px;
  accent-color: var(--brand);
  cursor: pointer;
}
@media (max-width: 760px) {
  .sl-cislo { display: none; }
}

/* ---------- v0.4: přihlášení, aktivace, admin e-maily ---------- */

.login-chyba {
  background: #fdeaea;
  color: #8e1f1f;
  border: 1px solid #f3c1c1;
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  margin: 0 0 18px;
}
.login-info {
  background: #e2f5ec;
  color: #14713f;
  border: 1px solid #bfe7d2;
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  margin: 0 0 18px;
}

.demo-pruh {
  background: #fdf1dd;
  color: #a2690c;
  border: 1px solid #f2ddb5;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 13px;
}

.admin-radek-form { display: flex; gap: 10px; flex-wrap: wrap; }
.admin-tlacitko {
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  padding: 9px 16px;
  border: 0;
  border-radius: 6px;
  background: var(--brand);
  color: #fff;
  cursor: pointer;
}
.admin-tlacitko:hover { background: var(--brand-deep); }

.stav-ok   { color: var(--ok); font-weight: 700; font-size: 12px; }
.stav-ceka { color: #a2690c; font-weight: 700; font-size: 12px; }
.dimtext   { color: var(--dim); }

.email-polozka { border-top: 1px solid var(--line); padding: 6px 0; }
.email-polozka summary {
  display: flex;
  gap: 14px;
  align-items: baseline;
  cursor: pointer;
  font-size: 13px;
  padding: 6px 0;
  flex-wrap: wrap;
}
.email-predmet { font-weight: 600; }
.email-prijemce { color: var(--dim); }
.email-telo {
  background: var(--mist);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 12px;
  white-space: pre-wrap;
  font-family: var(--mono);
  overflow-x: auto;
}
.email-chyba { color: #8e1f1f; font-size: 12px; margin: 4px 0; }

.flash-ok {
  background: #e2f5ec; color: #14713f; border: 1px solid #bfe7d2;
  border-radius: 8px; padding: 12px 16px; font-size: 14px; font-weight: 600;
}
.flash-ceka {
  background: #fdf1dd; color: #a2690c; border: 1px solid #f2ddb5;
  border-radius: 8px; padding: 12px 16px; font-size: 14px;
}
.email-polozka summary .stav-ceka { max-width: 420px; }

/* ---------- v0.5: karta Vaše údaje ---------- */

.udaje-mrizka {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
}
.udaje-pole {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 14px;
}
.udaje-siroke { grid-column: span 2; }
.udaje-pop {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--dim);
}
.udaje-nadpis { font-size: 15px; margin: 22px 0 10px; }
.udaje-planovane { border-style: dashed; background: var(--mist); }
.udaje-planovane strong { color: var(--dim); font-weight: 500; }
.udaje-doplnime {
  font-size: 11px;
  font-weight: 700;
  color: #a2690c;
  background: #fdf1dd;
  border-radius: 99px;
  padding: 2px 8px;
}
@media (max-width: 640px) { .udaje-siroke { grid-column: span 1; } }

/* ---------- v0.6: modal, členství ---------- */

.flash-info, .clen-pruh {
  background: #e7f4fb; color: #075f86; border: 1px solid #bfe2f4;
  border-radius: 8px; padding: 12px 16px; font-size: 14px;
}
.stav-info { color: #075f86; font-weight: 700; font-size: 12px; }

.modal-pozadi[hidden] { display: none !important; }
.modal-pozadi {
  position: fixed; inset: 0;
  background: rgba(23, 23, 23, 0.5);
  display: flex; align-items: center; justify-content: center;
  padding: 20px; z-index: 20;
}
.modal {
  background: var(--paper);
  border-radius: 12px;
  padding: 22px 24px;
  width: min(680px, 100%);
  max-height: 88vh;
  overflow: auto;
}
.modal h2 { margin: 0 0 10px; font-size: 18px; }
.modal .email-telo { max-height: 44vh; overflow: auto; }
.modal-tlacitka { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.modal-druhotne { background: #fff; color: var(--brand-deep);
  border: 1px solid var(--brand); }
.modal-zrusit { background: #fff; color: var(--dim);
  border: 1px solid var(--line); }

/* ---------- v0.7: skupiny a konfigurace ---------- */

.skupina {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 12px;
}
.skupina-hlava {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-bottom: 6px;
}
.skupina-radek {
  display: flex; align-items: center; gap: 14px;
  padding: 6px 0; border-top: 1px solid var(--line);
  font-size: 13px;
}
.mini-tlacitko {
  font: inherit; font-size: 12px; font-weight: 600;
  color: var(--brand-deep);
  background: #fff; border: 1px solid var(--brand);
  border-radius: 6px; padding: 3px 10px; cursor: pointer;
  text-decoration: none; display: inline-block;
}
.mini-tlacitko:hover { background: var(--brand-soft); }
select.hledani { background: #fff; }

/* ---------- v0.7.1: výrazná vyhledávací pole s ikonou ---------- */

.hledani {
  border: 1.5px solid #b9cbd8;
  background: #fff;
  border-radius: 8px;
  padding: 10px 14px;
  box-shadow: 0 1px 3px rgba(23, 23, 23, 0.06);
  transition: border-color .2s, box-shadow .2s;
}
.hledani::placeholder { color: #8fa2af; }
.hledani:hover { border-color: var(--brand); }
.hledani:focus-visible {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-soft);
}

.vyhled {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-width: min(320px, 100%);
}
.vyhled > input { width: 100%; padding-left: 42px; }
.vyhled > svg {
  position: absolute;
  left: 13px;
  width: 18px; height: 18px;
  color: var(--brand-deep);
  pointer-events: none;
  z-index: 1;
  transition: transform .25s cubic-bezier(.3,1.6,.5,1), color .25s;
}
/* jemný "sonar" kolem lupy, dokud je pole prázdné */
.vyhled:not(.pridat):has(input:placeholder-shown)::before {
  content: "";
  position: absolute;
  left: 9px;
  width: 26px; height: 26px;
  border: 2px solid var(--brand);
  border-radius: 50%;
  opacity: 0;
  animation: sonar 3.4s ease-out infinite;
  pointer-events: none;
}
@keyframes sonar {
  0%   { transform: scale(0.55); opacity: 0.55; }
  60%  { transform: scale(1.25); opacity: 0; }
  100% { transform: scale(1.25); opacity: 0; }
}
.vyhled:focus-within > svg {
  transform: rotate(-14deg) scale(1.18);
  color: var(--brand);
}
.vyhled.pridat > svg { color: var(--ok); }
.vyhled.pridat:focus-within > svg { transform: rotate(90deg) scale(1.2); }
@media (prefers-reduced-motion: reduce) {
  .vyhled::before { animation: none; display: none; }
  .vyhled > svg { transition: none; }
}

/* ---------- v0.7.2: centrální menu administrace ---------- */

.lista { position: relative; }
.lista-menu {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  gap: 6px;
  background: var(--mist);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px;
  box-shadow: 0 1px 4px rgba(23, 23, 23, 0.07);
}
.menu-pol {
  padding: 9px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
  transition: background .15s, color .15s, box-shadow .15s;
}
.menu-pol:hover { background: #fff; color: var(--brand-deep); }
.menu-pol.aktivni {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 159, 221, 0.4);
}
.menu-pol.aktivni:hover { background: var(--brand-deep); color: #fff; }
.menu-info { cursor: default; }

@media (max-width: 1080px) {
  .lista { flex-wrap: wrap; }
  .lista-menu {
    position: static;
    transform: none;
    order: 10;
    width: 100%;
    justify-content: center;
    margin-top: 10px;
    box-sizing: border-box;
  }
}

/* ---------- v0.8: lišta stále nahoře ---------- */
.lista {
  position: sticky;
  top: 0;
  z-index: 15;
  box-shadow: 0 1px 6px rgba(23, 23, 23, 0.08);
}