/* ═══════════════════════════════════════════════════════════════════════
   鬼牌防線（RD）— 賽博龐克霓虹 × 撲克
   深藍黑底、紫／青霓虹、glitch 邊框；Overload 時整體轉紅
   ═══════════════════════════════════════════════════════════════════════ */

.rd-container {
  --rd-bg: #070a14;
  --rd-panel: #0e1424;
  --rd-panel-lite: #16203a;
  --rd-border: #23305a;
  --rd-neon: #c45eff;
  --rd-cyan: #5ee1ff;
  --rd-danger: #ff2d7a;
  --rd-warn: #ffe45e;
  --rd-text: #e8ecff;
  --rd-dim: #8a94c8;
  position: relative;
  width: 100%;
  min-height: 78vh;
  background: var(--rd-bg);
  color: var(--rd-text);
  font-family: inherit;
  border-radius: 8px;
  overflow: hidden;
}

.rd-root { display: flex; flex-direction: column; min-height: 78vh; padding: 8px; gap: 8px; }
.rd-root.rd-overload { --rd-neon: #ff3b5c; --rd-border: #5a2334; }

/* ── 頂部狀態列 ─────────────────────────────────────────────────────── */
.rd-topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap;
  background: var(--rd-panel); border: 1px solid var(--rd-border); border-radius: 6px; padding: 6px 10px;
}
.rd-viewer-tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.rd-viewer-tab {
  cursor: pointer; padding: 3px 10px; border-radius: 12px; background: var(--rd-panel-lite);
  border: 1px solid transparent; font-size: 0.85rem; white-space: nowrap;
}
.rd-viewer-tab.active { border-color: var(--rd-neon); box-shadow: 0 0 8px var(--rd-neon); }
.rd-viewer-tab.dead { opacity: 0.55; }
.rd-stats { display: flex; gap: 10px; flex-wrap: wrap; font-size: 0.9rem; }
.rd-stat b { color: var(--rd-cyan); }
.rd-shield { color: var(--rd-cyan); font-size: 0.8rem; }
.rd-overload-badge { color: var(--rd-danger); font-weight: bold; animation: rd-blink 1s infinite; }
@keyframes rd-blink { 50% { opacity: 0.4; } }
.rd-controls { display: flex; gap: 6px; }

/* ── 主區：畫布＋側欄 ───────────────────────────────────────────────── */
.rd-main { display: flex; gap: 8px; flex: 1; min-height: 0; }
.rd-canvas-wrap {
  position: relative; flex: 1; display: flex; justify-content: center; align-items: flex-start;
  background: var(--rd-panel); border: 1px solid var(--rd-border); border-radius: 6px; padding: 6px; overflow: hidden;
}
#rd-canvas { display: block; border-radius: 4px; box-shadow: 0 0 24px rgba(196, 94, 255, 0.15) inset; cursor: crosshair; }
.rd-aim-hint {
  position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%);
  font-size: 0.75rem; color: var(--rd-dim); background: #000a; padding: 2px 10px; border-radius: 10px; pointer-events: none;
}
.rd-sidepanel {
  width: 280px; flex-shrink: 0; display: flex; flex-direction: column; gap: 8px;
  background: var(--rd-panel); border: 1px solid var(--rd-border); border-radius: 6px; padding: 10px; overflow-y: auto; max-height: 78vh;
}
.rd-panel-title { font-size: 0.8rem; color: var(--rd-dim); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 4px; }
.rd-hint { font-size: 0.85rem; color: var(--rd-dim); }
.rd-combat-hint { color: var(--rd-warn); }

.rd-xpbar { height: 6px; background: var(--rd-panel-lite); border-radius: 3px; overflow: hidden; }
.rd-xpbar-fill { height: 100%; background: linear-gradient(90deg, var(--rd-neon), var(--rd-cyan)); transition: width 0.2s; }

/* ── 武器列 ─────────────────────────────────────────────────────────── */
.rd-weapon {
  border: 1px solid var(--rd-border); border-left: 3px solid var(--el, var(--rd-neon)); border-radius: 6px;
  padding: 6px 8px; background: var(--rd-panel-lite); cursor: pointer; font-size: 0.85rem;
}
.rd-weapon.active { box-shadow: 0 0 10px var(--el, var(--rd-neon)); }
.rd-weapon-head { display: flex; align-items: center; gap: 6px; }
.rd-weapon-head b { flex: 1; }
.rd-weapon-icon { font-size: 1.1rem; }
.rd-weapon-lv { color: var(--rd-cyan); font-weight: bold; }
.rd-el { font-size: 0.9rem; }
.rd-weapon-desc { margin-top: 4px; color: var(--rd-dim); font-size: 0.78rem; }
.rd-weapon-stats { margin-top: 4px; font-size: 0.78rem; }
.rd-milestones { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.rd-ms { font-size: 0.7rem; padding: 1px 6px; border-radius: 8px; background: #0008; color: var(--rd-dim); border: 1px solid var(--rd-border); }
.rd-ms.on { color: var(--rd-warn); border-color: var(--rd-warn); }
.rd-btn-upgrade { width: 100%; margin-top: 6px; }
.rd-btn-upgrade small { opacity: 0.7; }

/* ── 卡片／晶片 ─────────────────────────────────────────────────────── */
.rd-items { display: flex; flex-wrap: wrap; gap: 4px; }
.rd-item {
  display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px;
  border-radius: 6px; background: var(--rd-panel-lite); border: 1px solid var(--rd-border); font-size: 1rem; cursor: help;
}
.rd-chip { border-color: var(--rd-cyan); }

/* ── 波次預覽 ───────────────────────────────────────────────────────── */
.rd-preview { display: flex; flex-direction: column; gap: 6px; font-size: 0.8rem; }
.rd-preview-row { border: 1px solid var(--rd-border); border-radius: 6px; padding: 4px 8px; }
.rd-preview-desc { color: var(--rd-dim); font-size: 0.72rem; }
.rd-weak { color: var(--rd-warn); margin-left: 6px; }
.rd-resist { color: var(--rd-dim); margin-left: 6px; }

/* ── 按鈕 ───────────────────────────────────────────────────────────── */
.rd-btn {
  cursor: pointer; border: 1px solid var(--rd-border); background: var(--rd-panel-lite); color: var(--rd-text);
  padding: 6px 12px; border-radius: 6px; font-size: 0.9rem; transition: all 0.15s;
}
.rd-btn:hover:not(:disabled) { border-color: var(--rd-neon); box-shadow: 0 0 8px var(--rd-neon); }
.rd-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.rd-btn-primary { background: var(--rd-neon); color: #fff; border-color: var(--rd-neon); }
.rd-btn-start { background: linear-gradient(90deg, var(--rd-neon), var(--rd-cyan)); color: #fff; font-weight: bold; padding: 10px; font-size: 1rem; }
.rd-btn-ghost { background: transparent; }
.rd-btn-surrender { color: var(--rd-danger); font-size: 0.8rem; }
.rd-btn-speed { min-width: 44px; }

/* ── 覆蓋層：升級卡三選一／結算 ────────────────────────────────────── */
.rd-overlay {
  position: absolute; inset: 0; background: rgba(4, 6, 14, 0.85); display: flex; align-items: center; justify-content: center; z-index: 10;
}
.rd-modal {
  background: var(--rd-panel); border: 1px solid var(--rd-neon); box-shadow: 0 0 30px var(--rd-neon);
  border-radius: 10px; padding: 18px; max-width: 92%; width: 560px; text-align: center;
}
.rd-modal h3 { margin: 0 0 12px; color: var(--rd-cyan); }
.rd-offer-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 10px; }
.rd-offer {
  flex: 1 1 150px; max-width: 170px; cursor: pointer; background: var(--rd-panel-lite); border: 1px solid var(--rd-border);
  border-radius: 8px; padding: 12px 8px; color: var(--rd-text); display: flex; flex-direction: column; gap: 6px; align-items: center;
}
.rd-offer:hover { border-color: var(--rd-neon); box-shadow: 0 0 12px var(--rd-neon); transform: translateY(-2px); }
.rd-offer-icon { font-size: 1.8rem; }
.rd-offer-desc { font-size: 0.75rem; color: var(--rd-dim); }
.rd-rank-table { width: 100%; border-collapse: collapse; margin-bottom: 12px; font-size: 0.9rem; }
.rd-rank-table th, .rd-rank-table td { padding: 4px 8px; border-bottom: 1px solid var(--rd-border); }
.rd-rank-table tr.me td { color: var(--rd-cyan); font-weight: bold; }
.rd-dead-banner {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: rgba(255, 45, 122, 0.9); color: #fff; padding: 12px 24px; border-radius: 8px; font-weight: bold; pointer-events: none; z-index: 5;
}
.rd-won-banner { background: rgba(94, 225, 255, 0.9); color: #0a0f24; }

/* ── 手機版 ─────────────────────────────────────────────────────────── */
@media (max-width: 760px) {
  .rd-main { flex-direction: column; }
  .rd-sidepanel { width: auto; max-height: none; }
  .rd-stats { font-size: 0.8rem; gap: 6px; }
  .rd-container { min-height: auto; }
  .rd-root { min-height: auto; }
}

/* ═══ 研究室（大廳 meta 介面）═══════════════════════════════════════════ */
.rd-lab-overlay {
  position: fixed; inset: 0; background: rgba(4, 6, 14, 0.85); z-index: 1000;
  display: flex; align-items: center; justify-content: center; padding: 12px;
}
.rd-lab-overlay.hidden { display: none; }
.rd-lab {
  --rd-bg: #070a14; --rd-panel: #0e1424; --rd-panel-lite: #16203a; --rd-border: #23305a;
  --rd-neon: #c45eff; --rd-cyan: #5ee1ff; --rd-warn: #ffe45e; --rd-text: #e8ecff; --rd-dim: #8a94c8;
  width: 100%; max-width: 960px; max-height: 92vh; display: flex; flex-direction: column;
  background: var(--rd-panel); color: var(--rd-text); border: 1px solid var(--rd-neon);
  box-shadow: 0 0 30px var(--rd-neon); border-radius: 10px; overflow: hidden;
}
.rd-lab-head { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--rd-border); }
.rd-lab-head h2 { margin: 0; flex: 1; font-size: 1.1rem; color: var(--rd-cyan); }
.rd-lab-cores { font-weight: bold; color: var(--rd-warn); }
.rd-lab-tabs { display: flex; gap: 4px; padding: 8px 14px 0; }
.rd-lab-tab { cursor: pointer; background: transparent; border: 1px solid var(--rd-border); border-bottom: none; color: var(--rd-dim); padding: 6px 14px; border-radius: 6px 6px 0 0; }
.rd-lab-tab.active { color: var(--rd-text); background: var(--rd-panel-lite); border-color: var(--rd-neon); }
.rd-lab-body { padding: 12px 14px; overflow-y: auto; }
.rd-lab-loading { padding: 40px; text-align: center; color: var(--rd-dim); }
.rd-lab-hint { font-size: 0.85rem; color: var(--rd-dim); margin: 6px 0; }
.rd-lab-loadout { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 6px 0 10px; font-size: 0.9rem; }
.rd-lab-slot { padding: 3px 10px; border-radius: 12px; background: var(--rd-panel-lite); border: 1px solid var(--rd-neon); }
.rd-lab-slot.empty { border-style: dashed; border-color: var(--rd-border); color: var(--rd-dim); }
.rd-lab-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 8px; margin-bottom: 12px; }
.rd-lab-card {
  border: 1px solid var(--rd-border); border-left: 3px solid var(--el, var(--rd-border)); border-radius: 6px;
  padding: 8px; background: var(--rd-panel-lite); display: flex; flex-direction: column; gap: 6px; font-size: 0.85rem;
}
.rd-lab-card.locked { opacity: 0.6; }
.rd-lab-card.equipped { box-shadow: 0 0 10px var(--el, var(--rd-neon)); }
.rd-lab-card-head { display: flex; align-items: center; gap: 6px; }
.rd-lab-card-head b { flex: 1; }
.rd-lab-icon { font-size: 1.2rem; }
.rd-lab-card-desc { color: var(--rd-dim); font-size: 0.78rem; flex: 1; }
.rd-lab-card-row { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.rd-lab-max { color: var(--rd-warn); font-size: 0.8rem; }
.rd-lab .rd-btn { cursor: pointer; border: 1px solid var(--rd-border); background: var(--rd-panel-lite); color: var(--rd-text); padding: 5px 10px; border-radius: 6px; font-size: 0.85rem; }
.rd-lab .rd-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.rd-lab .rd-btn-primary { background: var(--rd-neon); border-color: var(--rd-neon); color: #fff; }
.rd-lab .rd-btn-ghost { background: transparent; }
@media (max-width: 600px) { .rd-lab-grid { grid-template-columns: 1fr 1fr; } .rd-lab-head h2 { font-size: 1rem; } }