html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem #10151c, 0 0 0 0.25rem var(--epes-accent);
}

html {
  position: relative;
  min-height: 100%;
}

/* ---------------------------------------------------------------------- */
/* Epes – dark/gaming téma                                                */
/* ---------------------------------------------------------------------- */

:root {
  --epes-bg: #0f1115;
  --epes-bg-elevated: #171a21;
  --epes-border: #2a2f3a;
  --epes-accent: #5cbf60;
  --epes-accent-hover: #4da653;
}

body {
  margin-bottom: 60px;
  background-color: var(--epes-bg);
  background-image:
    linear-gradient(180deg, rgba(92, 191, 96, 0.06), transparent 40%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.015) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.015) 0 1px, transparent 1px 32px);
}

.epes-navbar {
  background-color: var(--epes-bg-elevated);
}

.epes-brand {
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #f2f4f8 !important;
}

.epes-brand-mark {
  display: inline-block;
  color: var(--epes-accent);
}

.epes-brand-mark-lg {
  font-size: 2.5rem;
  line-height: 1;
}

/* Stránka pro Login formulář – vlastní layout (_LoginLayout), bez navbaru/patičky. */
.epes-auth-body {
  background-color: var(--epes-bg);
  background-image:
    radial-gradient(circle at 20% 15%, rgba(92, 191, 96, 0.10), transparent 45%),
    radial-gradient(circle at 85% 85%, rgba(92, 191, 96, 0.07), transparent 40%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.015) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.015) 0 1px, transparent 1px 32px);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 1.5rem;
}

.epes-center-page {
  width: 100%;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.epes-card {
  width: 100%;
  max-width: 24rem;
  background-color: var(--epes-bg-elevated);
  border: 1px solid var(--epes-border);
  border-radius: 0.75rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

.epes-card .form-control {
  background-color: #10131a;
  border-color: var(--epes-border);
  color: #f2f4f8;
}

.epes-card .form-control:focus {
  background-color: #10131a;
  color: #f2f4f8;
  border-color: var(--epes-accent);
}

.epes-card .form-control::placeholder {
  color: #6b7280;
}

.btn-epes {
  background-color: var(--epes-accent);
  border-color: var(--epes-accent);
  color: #0b1a0c;
  font-weight: 600;
}

.btn-epes:hover,
.btn-epes:focus {
  background-color: var(--epes-accent-hover);
  border-color: var(--epes-accent-hover);
  color: #0b1a0c;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* asp-validation-summary renderuje kontejner i bez chyb (jen s "valid" třídou) –
   bez tohoto pravidla by se na Loginu vždy zobrazoval prázdný červený box. */
.validation-summary-valid {
  display: none;
}