* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --barva-primarni: #1a2b3c;
  --barva-akcent: #0b6bcb;
  --barva-pozadi: #f5f7f9;
  --barva-panel: #ffffff;
  --barva-text: #1a2b3c;
  --barva-text-tlumeny: #5b6b7a;
  --barva-okraj: #dde4ea;
  --stin: 0 2px 12px rgba(16, 32, 48, 0.14);
}

html, body {
  height: 100%;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--barva-text);
  background: var(--barva-pozadi);
  overflow: hidden;
}

#mapa { position: absolute; inset: 0; }

/* ---------- panel ---------- */

#panel {
  position: absolute;
  top: 12px;
  left: 12px;
  bottom: 12px;
  width: 340px;
  max-width: calc(100vw - 24px);
  background: var(--barva-panel);
  border-radius: 14px;
  box-shadow: var(--stin);
  display: flex;
  flex-direction: column;
  z-index: 5;
  transition: transform 0.25s ease;
}

#panel.sbaleny { transform: translateX(calc(-100% - 24px)); }

#tl-panel {
  position: absolute;
  top: 12px;
  left: 364px;
  z-index: 6;
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 10px;
  background: var(--barva-panel);
  box-shadow: var(--stin);
  cursor: pointer;
  font-size: 17px;
  color: var(--barva-text);
  transition: left 0.25s ease;
}

#panel.sbaleny + #tl-panel,
#panel.sbaleny ~ #tl-panel { left: 12px; }

.panel-hlavicka {
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--barva-okraj);
}

.panel-hlavicka h1 { font-size: 17px; font-weight: 700; line-height: 1.3; }
.panel-hlavicka p { font-size: 12.5px; color: var(--barva-text-tlumeny); margin-top: 3px; }

.panel-telo {
  flex: 1;
  overflow-y: auto;
  padding: 14px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.sekce h2 {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--barva-text-tlumeny);
  margin-bottom: 8px;
}

/* přepínač režimu */
.prepinac-rezim { display: flex; gap: 6px; }
.prepinac-rezim label {
  flex: 1;
  text-align: center;
  padding: 8px 6px;
  border: 1px solid var(--barva-okraj);
  border-radius: 9px;
  font-size: 13px;
  cursor: pointer;
  user-select: none;
}
.prepinac-rezim input { display: none; }
.prepinac-rezim input:checked + span { font-weight: 700; }
.prepinac-rezim label:has(input:checked) {
  background: #e7f1fc;
  border-color: var(--barva-akcent);
  color: var(--barva-akcent);
}

/* posuvník */
.radek-posuvnik { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.radek-posuvnik input[type="range"] { flex: 1; accent-color: var(--barva-akcent); }
#hodnota-intenzity { min-width: 44px; text-align: right; font-variant-numeric: tabular-nums; }

/* scénáře */
#scenare { display: flex; flex-direction: column; gap: 7px; }
.scenar {
  text-align: left;
  padding: 9px 12px;
  border: 1px solid var(--barva-okraj);
  border-radius: 10px;
  background: #fbfcfd;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 1px;
  font-family: inherit;
}
.scenar:hover { border-color: var(--barva-akcent); background: #f2f8fe; }
.scenar b { font-size: 13px; }
.scenar small { font-size: 11.5px; color: var(--barva-text-tlumeny); }

/* uzavírky */
#seznam-uzavirek { display: flex; flex-direction: column; gap: 6px; }
.napoveda { font-size: 12.5px; color: var(--barva-text-tlumeny); }
.uzavirka {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: #fdf0ef;
  border: 1px solid #f2c8c4;
  border-radius: 9px;
  padding: 7px 10px;
  font-size: 13px;
}
.uzavirka button {
  border: none;
  background: none;
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
  color: #c62828;
  padding: 2px 5px;
}
#tl-reset {
  margin-top: 7px;
  width: 100%;
  padding: 8px;
  border: 1px solid var(--barva-okraj);
  border-radius: 9px;
  background: none;
  cursor: pointer;
  font-size: 12.5px;
  color: var(--barva-text-tlumeny);
  font-family: inherit;
}
#tl-reset:hover { border-color: #c62828; color: #c62828; }

/* statistiky */
.stat-mrizka { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.stat-box {
  background: #f4f7fa;
  border-radius: 10px;
  padding: 10px 12px;
}
.stat-box b { display: block; font-size: 18px; font-variant-numeric: tabular-nums; }
.stat-box span { font-size: 11px; color: var(--barva-text-tlumeny); }

#stat-dopad {
  margin-top: 8px;
  background: #fff7e6;
  border: 1px solid #f0d9a8;
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 12.5px;
  line-height: 1.45;
}

.stat-podnadpis { font-size: 12px; color: var(--barva-text-tlumeny); margin: 10px 0 5px; }
.presun {
  display: flex;
  justify-content: space-between;
  font-size: 12.5px;
  padding: 4px 0;
  border-bottom: 1px dashed var(--barva-okraj);
}
.presun b { color: #c0392b; font-variant-numeric: tabular-nums; }

/* legenda */
.legenda { display: flex; flex-direction: column; gap: 4px; font-size: 12px; }
.legenda-radek { display: flex; align-items: center; gap: 8px; }
.legenda-carka { width: 26px; height: 5px; border-radius: 3px; flex: none; }

/* animace přepínač */
.radek-prepinac {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
}
.radek-prepinac input { accent-color: var(--barva-akcent); width: 17px; height: 17px; }

.paticka {
  padding: 10px 18px 14px;
  border-top: 1px solid var(--barva-okraj);
  font-size: 10.5px;
  line-height: 1.5;
  color: var(--barva-text-tlumeny);
}
.paticka a { color: var(--barva-akcent); }

/* ---------- overlaye ---------- */

.overlay {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 20;
  pointer-events: none;
}
.overlay.aktivni { display: flex; }

#overlay-start { background: rgba(245, 247, 249, 0.94); pointer-events: all; }
#overlay-start .karta {
  background: var(--barva-panel);
  border-radius: 14px;
  box-shadow: var(--stin);
  padding: 28px 36px;
  text-align: center;
  max-width: 420px;
}
#overlay-start h2 { font-size: 18px; margin-bottom: 8px; }
#overlay-start p { font-size: 13.5px; color: var(--barva-text-tlumeny); }

#overlay-vypocet {
  align-items: flex-start;
  justify-content: center;
  padding-top: 18px;
}
#overlay-vypocet .stitek {
  background: var(--barva-primarni);
  color: #fff;
  font-size: 13px;
  border-radius: 999px;
  padding: 8px 18px;
  box-shadow: var(--stin);
}

.tocitko {
  width: 34px;
  height: 34px;
  margin: 0 auto 14px;
  border: 3px solid var(--barva-okraj);
  border-top-color: var(--barva-akcent);
  border-radius: 50%;
  animation: toceni 0.9s linear infinite;
}
@keyframes toceni { to { transform: rotate(360deg); } }

/* mobil */
@media (max-width: 640px) {
  #panel {
    top: auto;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: none;
    max-height: 55vh;
    border-radius: 14px 14px 0 0;
  }
  #panel.sbaleny { transform: translateY(calc(100% - 46px)); }
  #tl-panel { display: none; }
}