* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: linear-gradient(#232735, #2e3345);
  font-family: "Trebuchet MS", Verdana, sans-serif;
  color: #fff;
  padding: 16px;
}

h1 {
  font-size: 28px;
  letter-spacing: 1px;
  margin: 10px 0 4px;
  text-shadow: 0 3px 0 rgba(0, 0, 0, 0.4);
}

.tagline {
  margin: 0 0 16px;
  color: #aab2c8;
  font-size: 14px;
}

.frame {
  width: 100%;
  max-width: 920px;
  background: #1b1e2a;
  border-radius: 14px;
  padding: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

canvas#game {
  display: block;
  width: 100%;
  border-radius: 8px;
  touch-action: none;
  cursor: pointer;
}

.bar {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  margin-top: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 10px 22px;
  border: none;
  border-radius: 10px;
  font: bold 15px "Trebuchet MS", Verdana, sans-serif;
  color: #fff;
  background: #00a2ff;
  box-shadow: 0 4px 0 #0077bd;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.05s;
}
.btn:active { transform: translateY(3px); box-shadow: 0 1px 0 #0077bd; }
.btn.green { background: #3fbf4e; box-shadow: 0 4px 0 #2d8c39; }
.btn.green:active { box-shadow: 0 1px 0 #2d8c39; }
.btn.grey { background: #4a5165; box-shadow: 0 4px 0 #333849; }
.btn.grey:active { box-shadow: 0 1px 0 #333849; }

/* ---- Settings page ---- */
.panel {
  width: 100%;
  max-width: 920px;
  background: #1b1e2a;
  border-radius: 14px;
  padding: 22px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 18px;
  color: #cfd6e8;
}

.char-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(105px, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}

.char-card {
  background: #262b3d;
  border: 3px solid transparent;
  border-radius: 12px;
  padding: 8px 4px 6px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.1s, background 0.1s;
}
.char-card:hover { background: #2e3448; }
.char-card.selected {
  border-color: #00a2ff;
  background: #253550;
}
.char-card canvas { display: block; margin: 0 auto; }
.char-card .char-name {
  font-size: 12px;
  font-weight: bold;
  margin-top: 4px;
  color: #dfe5f5;
}

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: bold;
  color: #aab2c8;
  margin-bottom: 6px;
}
.field input[type="text"] {
  width: 100%;
  max-width: 340px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 2px solid #3a4158;
  background: #12141d;
  color: #fff;
  font: bold 15px "Trebuchet MS", Verdana, sans-serif;
  outline: none;
}
.field input[type="text"]:focus { border-color: #00a2ff; }

.linkbox {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.linkbox input {
  flex: 1;
  min-width: 240px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 2px solid #3a4158;
  background: #12141d;
  color: #9fe3ff;
  font: 13px monospace;
}

.copied { color: #3fbf4e; font-weight: bold; font-size: 13px; }