.registration-content {
  position: fixed;
  height: 100vh;
  width: 100vW;
  background: url("../img/GAME_BACKGROUND.webp") center top no-repeat;
  background-size: cover;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

/* HLAVNÍ OBSAH */
.content-container {
    position: relative;
    width: 100%;
    margin-top: var(--header);
    /* obsah začne až pod headerem */
    padding: 2rem;
    /* padding kolem obsahu */
    display: flex;
    flex: 1;
    flex-direction: column;
}

.registration-section {
    position: relative;
    padding: 1rem;
    flex-grow: 1;
}

.form-container {
    display: flex;
    justify-content: center;
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* EMAIL input */
input[type="email"] {
    min-width: 250px;
    background: #111;
    color: #fff;
    border: 1px solid #333;
    padding: 15px;
    font-size: 1.2rem;
    text-align: center;
    outline: none;
}
input[type="email"]::placeholder {
    color: #555;
    font-style: italic;
    text-align: center;
    content: "např. uzivatel@email.com";
}

button {
    background: var(--my-color-road-sign);
    color: #000;
    font-size: 1.1rem;
    font-weight: bold;
    border: none;
    padding: 15px;
    cursor: pointer;
    opacity: 1;
    transition: opacity 0.2s ease-in-out;
}
button:hover {
    opacity: 0.85; /* zvýraznění */
}

#message {
    text-align: center;
    margin-top: 15px;
    font-size: 0.9rem;
    opacity: 0.65;
}

/* Styl pro checkbox */
.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: #ddd;
    cursor: pointer;
}

.checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #f5c518; /* zvýrazňovací barva */
    cursor: pointer;
}

.checkbox a {
    color: #f5c518;
    text-decoration: underline;
}
.checkbox a:hover {
    text-decoration: none;
}

.glass-text {
  font-size: 90px;
  font-weight: 700;
  letter-spacing: -2px;
  text-align: center;

  /* Text je průsvitný, ale má světelný povrch */
  color: rgba(255, 255, 255, 0.25);
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.9) 0%,
    rgba(255, 255, 255, 0.2) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;

  /* Jemný světlý vnitřní glow – typické pro iOS */
  text-shadow:
    0px 4px 14px rgba(255, 255, 255, 0.45),
    0px 0px 40px rgba(255, 255, 255, 0.25);

  /* Jemná průhlednost (glass efekt) */
  filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.15));
}

.clock {
  font-family: Arial, sans-serif;
  font-weight: 900;
  font-size: 48px;      /* místo 220px */
  color: #3d3d3d;
  text-shadow:
    0 3px 6px rgba(0,0,0,0.55),
    0 -1px 0 rgba(255,255,255,0.08);
  -webkit-text-stroke: 1px rgba(0,0,0,0.6);
}

/* >= 768px (tablet) */
/* md */
@media (min-width: 768px) {
    .registration {
        font-size: 1.2rem;
    }

    .registration-section {
        padding: 2rem;
    }
}