:root {
  --bg: #e7ddc0;
  --bg2: #cf8b52;
  --dark: #2e2519;
  --panel: #3a2f20;
  --accent: #f5b324;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--dark);
  overflow: hidden;
  user-select: none;
}

.screen {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hidden { display: none !important; }

/* ===== Lobby ===== */
#lobby {
  background:
    radial-gradient(900px 500px at 18% -8%, rgba(245,179,36,.22), transparent 60%),
    radial-gradient(800px 600px at 110% 115%, rgba(207,139,82,.45), transparent 55%),
    #e7ddc0;
}
/* dezente Punkttextur */
#lobby::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(46,37,25,.06) 1.5px, transparent 1.6px);
  background-size: 22px 22px;
  pointer-events: none;
}

.lobby-box {
  position: relative;
  width: min(420px, 92vw);
  background: #f3ead2;
  border: 3px solid var(--dark);
  border-radius: 26px;
  padding: 26px 28px 22px;
  box-shadow: 0 16px 0 rgba(46,37,25,.18), 0 26px 50px rgba(46,37,25,.30);
}

.logo { text-align: center; margin-bottom: 22px; }
#logo-tank {
  width: 104px; height: 104px;
  display: block; margin: 0 auto 4px;
  filter: drop-shadow(0 8px 10px rgba(46,37,25,.28));
}
h1 {
  font-size: 40px;
  letter-spacing: 3px;
  line-height: .96;
  color: var(--dark);
  display: flex; justify-content: center; align-items: baseline; gap: 9px;
}
h1 em {
  font-style: normal;
  color: var(--accent);
  -webkit-text-stroke: 2px var(--dark);
  paint-order: stroke fill;
}
.subtitle {
  text-align: center;
  margin-top: 7px;
  font-size: 13px;
  font-weight: bold;
  letter-spacing: .3px;
  color: #8a7350;
}

.field { display: block; margin-bottom: 16px; }
.field-label {
  display: block;
  font-size: 11px;
  font-weight: bold;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #9a835f;
  margin-bottom: 7px;
}
#name-input {
  width: 100%;
  border: 3px solid var(--dark);
  background: #fff;
  border-radius: 13px;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 18px;
  font-weight: bold;
  color: var(--dark);
  outline: none;
}
#name-input::placeholder { color: #c2b08c; }
#name-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(245,179,36,.35); }

.color-picker { display: flex; gap: 10px; }
.color-chip {
  flex: 1;
  height: 46px;
  border-radius: 13px;
  border: 3px solid rgba(46,37,25,.25);
  cursor: pointer;
  position: relative;
  padding: 0;
  box-shadow: inset 0 -7px 0 rgba(0,0,0,.18);
  transition: transform .08s ease;
}
.color-chip:hover { transform: translateY(-2px); }
.color-chip.sel {
  border-color: var(--dark);
  box-shadow: inset 0 -7px 0 rgba(0,0,0,.18), 0 0 0 3px rgba(245,179,36,.5);
}
.color-chip.sel::after {
  content: "✓";
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 20px; font-weight: bold;
  text-shadow: 0 1px 2px rgba(0,0,0,.5);
}

.seg {
  display: flex;
  gap: 8px;
}
.seg button {
  flex: 1;
  height: 46px;
  border-radius: 13px;
  border: 3px solid var(--dark);
  background: #fff;
  font-family: inherit;
  font-size: 19px;
  font-weight: bold;
  color: var(--dark);
  cursor: pointer;
  transition: transform .08s ease;
}
.seg button:hover { transform: translateY(-2px); }
.seg button.active {
  background: var(--accent);
  box-shadow: inset 0 -6px 0 rgba(0,0,0,.15);
}

#start-btn, .overlay-box button {
  display: block;
  width: 100%;
  margin-top: 20px;
  padding: 15px;
  font-family: inherit;
  font-size: 20px;
  font-weight: bold;
  letter-spacing: 1.5px;
  color: #fff;
  background: var(--dark);
  border: none;
  border-radius: 15px;
  cursor: pointer;
  box-shadow: 0 7px 0 #1d160d;
  transition: transform .06s ease, box-shadow .06s ease;
}
#start-btn:hover { background: #3a2f1e; }
#start-btn:active, .overlay-box button:active {
  transform: translateY(4px);
  box-shadow: 0 3px 0 #1d160d;
}

.hint {
  margin-top: 14px;
  font-size: 12px;
  font-weight: bold;
  text-align: center;
  color: #a08a64;
  letter-spacing: .3px;
}

/* ===== Multiplayer Screens ===== */
.btn-secondary {
  display: block; width: 100%; margin-top: 12px; padding: 13px;
  font-family: inherit; font-size: 16px; font-weight: bold;
  color: var(--dark); background: rgba(46,37,25,.10);
  border: 3px solid var(--dark); border-radius: 15px; cursor: pointer;
  transition: transform .06s ease;
}
.btn-secondary:hover { transform: translateY(-2px); }

.mp-divider {
  text-align: center; margin: 14px 0 10px;
  font-size: 11px; font-weight: bold; letter-spacing: 1px;
  color: #9a835f;
}

.mp-join-row {
  display: flex; gap: 8px; margin-top: 10px;
}
.code-input {
  flex: 1; min-width: 0;
  border: 3px solid var(--dark); background: #fff;
  border-radius: 13px; padding: 12px 14px;
  font-family: inherit; font-size: 22px; font-weight: bold;
  letter-spacing: 6px; text-align: center; text-transform: uppercase;
  color: var(--dark); outline: none;
}
.code-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(245,179,36,.35); }
.mp-join-row button {
  padding: 12px 18px;
  font-family: inherit; font-size: 16px; font-weight: bold;
  color: #fff; background: var(--dark); border: none;
  border-radius: 13px; cursor: pointer;
  box-shadow: 0 5px 0 #1d160d;
  transition: transform .06s ease, box-shadow .06s ease;
}
.mp-join-row button:active { transform: translateY(3px); box-shadow: 0 2px 0 #1d160d; }

.mp-error {
  margin-top: 10px; padding: 10px 14px;
  background: #fde8e8; border: 2px solid #e05050; border-radius: 10px;
  color: #b83030; font-size: 13px; font-weight: bold; text-align: center;
}

/* Room-Code Anzeige */
.room-code {
  display: flex; align-items: center; justify-content: center;
  font-size: 42px; font-weight: bold; letter-spacing: 10px;
  color: var(--dark); background: #fff;
  border: 3px solid var(--dark); border-radius: 16px;
  padding: 14px 20px; cursor: pointer;
  transition: transform .08s;
  user-select: all;
}
.room-code:hover { transform: scale(1.02); }
.room-code .copy-hint {
  display: block; font-size: 10px; font-weight: bold;
  letter-spacing: 1px; color: #a08a64; margin-top: 4px;
}

/* Warte-Spielerliste */
.waiting-players { display: flex; flex-direction: column; gap: 8px; }
.waiting-row {
  display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,.6); border: 2px solid rgba(46,37,25,.2);
  border-radius: 12px; padding: 9px 12px;
  font-weight: bold; font-size: 15px;
}
.waiting-row .wdot { width: 14px; height: 14px; border-radius: 4px; flex-shrink: 0; }
.waiting-row .wtag {
  margin-left: auto; font-size: 10px; font-weight: bold;
  letter-spacing: 1px; color: #a08a64;
}

/* ===== Game ===== */
#game { background: var(--dark); }
#canvas { display: block; background: #cdb98c; }

#hud {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.hud-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(46,37,25,0.7);
  color: #fff;
  padding: 6px 10px;
  border-radius: 10px;
  font-weight: bold;
  font-size: 14px;
}
.hud-row .dot { width: 14px; height: 14px; border-radius: 4px; }
.hud-row.dead { opacity: 0.4; text-decoration: line-through; }
.hud-bar { width: 90px; height: 8px; background: rgba(255,255,255,0.25); border-radius: 4px; overflow: hidden; }
.hud-bar > i { display: block; height: 100%; background: #5fd35f; }

#overlay {
  position: absolute;
  inset: 0;
  background: rgba(46,37,25,0.75);
  display: flex;
  align-items: center;
  justify-content: center;
}
.overlay-box {
  background: var(--bg);
  border: 4px solid #fff;
  border-radius: 20px;
  padding: 30px 40px;
  text-align: center;
  width: min(360px, 90vw);
}
.overlay-box h2 { font-size: 34px; margin-bottom: 18px; }
.overlay-box button { margin-top: 12px; }
.overlay-box button#lobby-btn { background: #6b5a3e; }