* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #0b3d2e, #145a32);
  color: #fff;
}

/* HEADER */
header {
  background: linear-gradient(90deg, #b11226, #1f7a4d);
  padding: 14px 16px;
  text-align: center;
  position: relative;
  box-shadow: 0 4px 14px rgba(0,0,0,0.4);
}

header h1 {
  margin: 0;
  font-size: 1.7rem;
}

.admin-btn {
  position: absolute;
  right: 16px;
  top: 14px;
  border: none;
  background: #ffffff;
  color: #b11226;
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
}

/* MAIN PANELS */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 16px;
}

.panel {
  background: rgba(255,255,255,0.07);
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.3);
}

.hidden {
  display: none;
}

h2 {
  margin-top: 0;
  font-size: 1.4rem;
}

/* INPUTS & BUTTONS */
input, select, button {
  width: 100%;
  padding: 14px;
  font-size: 1rem;
  border-radius: 12px;
  border: none;
  margin: 8px 0;
}

input, select {
  color: #222;
}

button {
  background: #e74c3c;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

button.primary-btn {
  background: #27ae60;
}

button.secondary-btn {
  background: #2980b9;
}

button:disabled {
  opacity: 0.6;
}

/* BIG PLAYER BUTTON */
#pressBtn {
  font-size: 1.6rem;
  padding: 26px;
  border-radius: 24px;
}

/* HOST GRID */
.host-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.host-card {
  background: rgba(0,0,0,0.2);
  border-radius: 14px;
  padding: 12px;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

li {
  background: rgba(255,255,255,0.12);
  padding: 8px 10px;
  margin: 5px 0;
  border-radius: 8px;
  font-size: 0.95rem;
}

/* TILES FOR GAME SELECT */
.tiles {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tile {
  background: rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 18px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.tile h3 {
  margin: 6px 0 4px;
}

/* INFO TEXT */
.info-line {
  margin-top: 10px;
  font-size: 0.95rem;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 12px;
  font-size: 0.85rem;
  opacity: 0.8;
}

/* DESKTOP ENHANCEMENTS */
@media (min-width: 700px) {
  header h1 {
    font-size: 2rem;
  }

  main {
    padding: 24px;
  }

  .host-grid {
    flex-direction: row;
    align-items: flex-start;
  }

  .host-card {
    flex: 1;
  }

  #pressBtn {
    font-size: 2rem;
    padding: 32px;
  }
}