/* ============ 红白机游戏厅 ============ */
:root {
  --red: #e40058;
  --dark: #0d0d1a;
  --gray: #3c3c50;
  --light: #cfcfe0;
  --cream: #f8f4e0;
  --yellow: #f8d800;
  --green: #00e000;
}

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

body {
  background: var(--dark);
  color: var(--cream);
  font-family: "Courier New", "SimSun", monospace;
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center;
}

.scanlines {
  position: fixed; inset: 0; pointer-events: none; z-index: 99;
  background: repeating-linear-gradient(to bottom, transparent 0 2px, rgba(0,0,0,.16) 2px 4px);
}

/* ---------- 顶栏 ---------- */
.topbar {
  width: 100%; max-width: 1200px;
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 18px; gap: 10px; flex-wrap: wrap;
}
.logo { color: var(--yellow); font-size: 18px; font-weight: bold; text-shadow: 2px 2px 0 var(--red); }

#user-area { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
#user-area input {
  font-family: inherit; font-size: 12px;
  background: var(--gray); color: var(--cream);
  border: 2px solid var(--light); padding: 8px; width: 130px; outline: none;
}
#user-area input:focus { border-color: var(--yellow); }

.btn {
  font-family: inherit; font-size: 12px; font-weight: bold; cursor: pointer;
  background: var(--red); color: #fff; border: 0; padding: 9px 14px;
  box-shadow: 0 3px 0 #7a0030;
}
.btn:active { transform: translateY(2px); box-shadow: 0 1px 0 #7a0030; }
.btn.small { padding: 6px 10px; font-size: 11px; }

#hello-user { color: var(--green); font-size: 12px; font-weight: bold; }
#my-best { color: var(--yellow); font-size: 12px; font-weight: bold; }
#auth-msg { font-size: 12px; min-height: 18px; color: var(--yellow); }

/* ---------- 主体三栏 ---------- */
.cabinet {
  display: flex; gap: 18px; padding: 12px;
  width: 100%; max-width: 1200px; align-items: flex-start; justify-content: center;
}

.side-panel { flex: 1; min-width: 220px; max-width: 320px; }
.side-panel h2 { font-size: 14px; color: var(--yellow); margin-bottom: 12px; }
.board-title { font-size: 12px; color: var(--green); margin-bottom: 6px; }

/* 卡带卡片 */
#game-cards { display: flex; flex-direction: column; gap: 10px; }
.game-card {
  display: flex; align-items: center; gap: 10px;
  background: var(--gray); border: 3px solid #222;
  border-left: 8px solid var(--red);
  padding: 10px 12px; cursor: pointer; user-select: none;
}
.game-card:hover { background: #4c4c66; border-left-color: var(--yellow); }
.game-card.active { border-left-color: var(--green); background: #2a2a44; }
.gc-icon { font-size: 22px; }
.gc-name { font-size: 14px; font-weight: bold; }
.gc-sub { font-size: 10px; color: #888; margin-left: auto; }

/* ---------- 屏幕 ---------- */
.screen-wrap { background: var(--gray); padding: 14px; border: 4px solid #222; }
.marquee {
  text-align: center; font-size: 14px; font-weight: bold; color: var(--red);
  background: var(--cream); padding: 8px 0; margin-bottom: 10px;
  border: 4px solid #222; letter-spacing: 1px;
}
.screen { position: relative; line-height: 0; }
canvas {
  background: #101020; border: 4px solid #000;
  width: 480px; max-width: 84vw; height: auto; display: block;
}
.overlay {
  position: absolute; inset: 4px;
  display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 16px;
  background: rgba(6, 6, 18, .84); line-height: 1.6; text-align: center;
}
.overlay.hidden { display: none; }
#overlay-text { font-size: 22px; font-weight: bold; color: var(--yellow); text-shadow: 3px 3px 0 var(--red); }
#overlay-hint { font-size: 12px; color: var(--light); animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.hud {
  display: flex; justify-content: space-between; gap: 12px;
  margin-top: 10px; font-size: 12px; color: var(--light); flex-wrap: wrap;
}
.hud b { color: var(--yellow); margin-left: 4px; }

/* ---------- 排行榜 ---------- */
.board { width: 100%; border-collapse: collapse; font-size: 11px; }
.board th, .board td { border: 2px solid var(--gray); padding: 7px 6px; text-align: left; }
.board th { background: var(--red); color: #fff; }
.board tr:nth-child(even) td { background: #181828; }
.board tr:first-child td { color: var(--yellow); font-weight: bold; }
.board .dim { color: #777; text-align: center; }

.help { margin-top: 20px; font-size: 11px; line-height: 2; color: var(--light); }
.help h3 { color: var(--green); font-size: 12px; margin-bottom: 6px; }
.help .dim { color: #777; }

.footer { font-size: 10px; color: #555; padding: 18px; }

@media (max-width: 1000px) {
  .cabinet { flex-direction: column; align-items: center; }
  .side-panel { max-width: 480px; width: 100%; }
}