:root {
  --bg: #04060f;
  --panel: rgba(14, 22, 44, 0.88);
  --line: #24365f;
  --text: #dbe6ff;
  --muted: #8ea2c9;
  --accent: #3fa9ff;
  --accent-2: #8a5cff;
  --error: #ff7a7a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: radial-gradient(ellipse at 30% 20%, #142450 0%, var(--bg) 60%);
  color: var(--text);
  font: 15px/1.5 system-ui, "Segoe UI", sans-serif;
  padding: 16px;
}

.stars {
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 20% 30%, #fff8, transparent),
    radial-gradient(1px 1px at 70% 60%, #fff6, transparent),
    radial-gradient(1.5px 1.5px at 40% 80%, #fff9, transparent),
    radial-gradient(1px 1px at 85% 15%, #fff7, transparent),
    radial-gradient(1px 1px at 10% 70%, #fff5, transparent);
  background-size: 300px 300px;
  pointer-events: none;
}

.panel {
  position: relative;
  width: 100%;
  max-width: 380px;
  background: var(--panel);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px 26px 20px;
  box-shadow: 0 20px 60px #000a, 0 0 0 1px #3fa9ff14 inset;
}

h1 {
  margin: 0 0 22px;
  text-align: center;
  font-size: 26px;
  letter-spacing: 0.5px;
}
h1 span {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
h2 { margin: 0 0 14px; font-size: 17px; font-weight: 600; }

label { display: block; margin-bottom: 14px; color: var(--muted); font-size: 13px; }
input, select {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #0a1124;
  color: var(--text);
  font: inherit;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

button {
  width: 100%;
  padding: 11px;
  border: 0;
  border-radius: 8px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #fff;
  font: 600 15px system-ui, sans-serif;
  cursor: pointer;
}
button:disabled { opacity: 0.6; cursor: wait; }
button.link {
  margin-top: 10px;
  background: none;
  color: var(--muted);
  font-weight: 400;
  text-decoration: underline;
}

#planet-list { list-style: none; margin: 0 0 4px; padding: 0; display: grid; gap: 8px; }
#planet-list li { display: flex; gap: 8px; align-items: stretch; }
.flag-link { flex: none; width: 44px; border-radius: 8px; overflow: hidden; border: 1px solid var(--line); }
.flag-link:hover, .flag-link:focus-visible { border-color: var(--accent); }
.flag-link img { width: 100%; height: 100%; object-fit: cover; display: block; }

#msg { min-height: 1.5em; margin: 14px 0 0; color: var(--error); text-align: center; }
.hint { margin: 6px 0 0; color: var(--muted); font-size: 12px; text-align: center; }

/* Beta sign-up: badge, tabs, password helpers */
.badge {
  width: max-content;
  margin: -14px auto 18px;
  padding: 3px 10px;
  border-radius: 99px;
  border: 1px solid #3fa9ff55;
  background: #3fa9ff1a;
  color: var(--accent);
  font: 600 11px/1.4 system-ui, sans-serif;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}
.tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px; margin-bottom: 18px; border-radius: 10px; background: #0a1124; border: 1px solid var(--line); }
.tabs .tab { padding: 8px; border-radius: 7px; background: transparent; color: var(--muted); font-weight: 600; }
.tabs .tab.on { background: linear-gradient(90deg, var(--accent), var(--accent-2)); color: #fff; }
.pw { position: relative; display: block; }
.pw input { padding-right: 42px; }
.pw .eye { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); width: 34px; padding: 6px 0; background: none; font-size: 15px; margin-top: 3px; opacity: .7; }
.pw .eye:hover { opacity: 1; }
.meter { display: block; height: 4px; margin-top: 6px; border-radius: 4px; background: #1a2a44; overflow: hidden; }
.meter i { display: block; height: 100%; width: 0; transition: width .2s, background .2s; }
label.check { display: flex; gap: 8px; align-items: flex-start; font-size: 12.5px; color: var(--muted); }
label.check input { width: auto; margin: 2px 0 0; }
label b { color: var(--text); }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.switch { margin: 12px 0 0; text-align: center; font-size: 13px; color: var(--muted); }
button.link.inline { display: inline; width: auto; margin: 0; padding: 0; color: var(--accent); }
#msg.ok { color: #5fe0a0; }

/* Chat language step (before entering the game) */
.lang-intro { margin: 0 0 14px; color: var(--muted, #8ea2c9); font-size: 14px; line-height: 1.45; }
.lang-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 8px; }
.lang-opt { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 14px 6px; margin: 0;
            background: rgba(20, 32, 64, 0.85); border: 1px solid #24365f; color: #dbe6ff; }
.lang-opt:hover, .lang-opt:focus-visible { border-color: var(--accent); background: rgba(63, 169, 255, 0.14); }
.lang-opt.suggested { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset, 0 0 14px #3fa9ff44; }
.lang-flag { width: 42px; height: 28px; border-radius: 4px; box-shadow: 0 0 0 1px #ffffff30, 0 2px 6px #0008; }
.lang-off { margin-top: 6px; }
@media (max-width: 380px) { .lang-grid { grid-template-columns: 1fr; } .lang-opt { flex-direction: row; justify-content: center; } }