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

:root {
  --bg:       #0d0f0a;
  --bg2:      #141810;
  --bg3:      #1c2214;
  --border:   #2a3820;
  --border2:  #3a4a28;
  --text:     #c8d4a0;
  --text2:    #88aa66;
  --text3:    #556644;
  --accent:   #88cc44;
  --accent2:  #ccee88;
  --danger:   #cc4444;
  --panel-w:  380px;
  --hud-h:    38px;
}

html, body { height: 100%; background: var(--bg); color: var(--text); font-family: 'Courier New', Courier, monospace; font-size: 14px; line-height: 1.6; }
a { color: var(--accent); text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
input  { font-family: inherit; }

/* ── 레이아웃 ── */
.page { min-height: 100vh; display: flex; flex-direction: column; }

/* ── 탑바 ── */
.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 0 16px; height: var(--hud-h);
  background: var(--bg2); border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.topbar-logo  { font-size: 14px; color: var(--accent); letter-spacing: 2px; }
.topbar-sep   { color: var(--border2); }
.topbar-back  { background: none; border: none; color: var(--text2); font-size: 12px; padding: 0; }
.topbar-back:hover { color: var(--text); }
.topbar-space { flex: 1; }
.topbar-btn {
  background: none; border: 1px solid var(--border);
  color: var(--text2); padding: 4px 12px; border-radius: 4px; font-size: 11px;
}
.topbar-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── 버튼 ── */
.btn {
  padding: 10px 24px; background: var(--accent); color: #0d0f0a;
  border: none; border-radius: 6px; font-size: 13px; font-weight: bold;
  letter-spacing: 1px; transition: opacity .15s;
}
.btn:hover    { opacity: .85; }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn-sm { padding: 5px 14px; font-size: 11px; border-radius: 4px; }
.btn-ghost {
  background: none; border: 1px solid var(--border); color: var(--text2);
  border-radius: 6px; padding: 8px 16px; font-size: 12px;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { background: #3a1010; border: 1px solid var(--danger); color: var(--danger); border-radius: 6px; padding: 8px 16px; font-size: 12px; }

/* ── 폼 요소 ── */
.input {
  width: 100%; padding: 10px 14px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); font-size: 14px; outline: none;
}
.input:focus { border-color: var(--accent); }
.label { font-size: 11px; color: var(--text2); margin-bottom: 4px; display: block; }
.error { color: var(--danger); font-size: 12px; }

/* ── 카드 ── */
.card-grid { display: flex; gap: 14px; flex-wrap: wrap; }
.card {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 10px;
  padding: 24px 20px; display: flex; flex-direction: column; align-items: center; gap: 8px;
  cursor: pointer; transition: border-color .15s, transform .15s;
}
.card:hover         { border-color: var(--accent); transform: translateY(-2px); }
.card[disabled]     { opacity: .4; cursor: not-allowed; transform: none; pointer-events: none; }

/* ── 인게임 HUD ── */
.hud {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; gap: 10px;
  padding: 0 14px; height: var(--hud-h);
  background: rgba(13,15,10,.92); border-bottom: 1px solid var(--border);
  backdrop-filter: blur(4px);
}
.hud-stat { font-size: 11px; color: var(--text2); white-space: nowrap; }
.hud-stat b { color: var(--accent2); font-weight: bold; }
.hud-sep  { color: var(--border2); flex-shrink: 0; }
.hud-space { flex: 1; }
.hud-btn {
  background: none; border: 1px solid var(--border); color: var(--text2);
  padding: 3px 10px; border-radius: 4px; font-size: 11px; font-family: inherit;
  white-space: nowrap;
}
.hud-btn:hover { border-color: var(--accent); color: var(--accent); }
.hud-btn.active { border-color: var(--accent); color: var(--accent); background: #1a2c0a; }

/* ── 오버레이 패널 ── */
.overlay {
  display: none; position: fixed; inset: 0; z-index: 300;
  background: rgba(0,0,0,.5);
}
.overlay.open { display: block; }

.panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: var(--panel-w);
  background: var(--bg2); border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  animation: panelIn .18s ease-out;
}
@keyframes panelIn { from { transform: translateX(100%); } to { transform: translateX(0); } }

.panel-header {
  display: flex; align-items: center; padding: 0 16px; height: var(--hud-h);
  border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.panel-title { flex: 1; font-size: 12px; color: var(--accent); letter-spacing: 2px; }
.panel-close { background: none; border: none; color: var(--text2); font-size: 20px; line-height: 1; padding: 0 4px; }
.panel-close:hover { color: var(--text); }
.panel-body  { flex: 1; overflow-y: auto; padding: 16px; }
.panel-footer { padding: 12px 16px; border-top: 1px solid var(--border); flex-shrink: 0; }

/* 패널 내 섹션 */
.panel-section       { margin-bottom: 20px; }
.panel-section-title { font-size: 10px; color: var(--text3); letter-spacing: 2px; margin-bottom: 10px; }

/* ── 상점 아이템 ── */
.shop-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 0; border-bottom: 1px solid var(--border);
}
.shop-item:last-child { border-bottom: none; }
.shop-item-icon  { font-size: 22px; width: 32px; text-align: center; flex-shrink: 0; }
.shop-item-info  { flex: 1; min-width: 0; }
.shop-item-name  { font-size: 12px; color: var(--text); }
.shop-item-desc  { font-size: 10px; color: var(--text2); margin-top: 1px; }
.shop-item-right { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; flex-shrink: 0; }
.shop-item-price { font-size: 11px; color: var(--accent2); }
.shop-item-btn   {
  background: var(--bg3); border: 1px solid var(--border2); color: var(--accent);
  padding: 3px 10px; border-radius: 4px; font-size: 10px; font-family: inherit;
}
.shop-item-btn:hover { border-color: var(--accent); }
.shop-item-btn:disabled { opacity: .4; cursor: not-allowed; }

/* ── 마이페이지 ── */
.my-avatar { width: 60px; height: 60px; background: var(--bg3); border: 2px solid var(--border); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 26px; margin: 0 auto 12px; }
.my-name   { text-align: center; font-size: 14px; color: var(--accent2); }
.my-email  { text-align: center; font-size: 11px; color: var(--text2); margin-bottom: 16px; }
.my-stats  { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 16px; }
.my-stat   { background: var(--bg3); border: 1px solid var(--border); border-radius: 6px; padding: 10px; text-align: center; }
.my-stat-val { font-size: 18px; color: var(--accent2); display: block; }
.my-stat-lbl { font-size: 10px; color: var(--text2); }
.my-menu-item {
  display: flex; align-items: center; width: 100%;
  padding: 11px 0; border-bottom: 1px solid var(--border);
  background: none; border-left: none; border-right: none; border-top: none;
  color: var(--text2); font-size: 12px; font-family: inherit; text-align: left;
}
.my-menu-item:hover { color: var(--text); }
.my-menu-item span:first-child { flex: 1; }

/* ── 연구 트리 ── */
.research-item { padding: 12px 0; border-bottom: 1px solid var(--border); }
.research-item:last-child { border-bottom: none; }
.research-name { font-size: 12px; color: var(--text); margin-bottom: 3px; }
.research-desc { font-size: 10px; color: var(--text2); margin-bottom: 8px; }
.research-bar-wrap { height: 3px; background: var(--bg3); border-radius: 2px; overflow: hidden; margin-bottom: 5px; }
.research-bar      { height: 100%; background: var(--accent); border-radius: 2px; transition: width .4s; }
.research-footer   { display: flex; justify-content: space-between; font-size: 10px; color: var(--text3); }
.research-item.locked { opacity: .4; }

/* ── 행성 맵 (fac/index) ── */
.home-banner {
  display: flex; align-items: center; gap: 16px;
  padding: 18px 22px; background: var(--bg2);
  border: 1px solid #1D9E7530; border-radius: 10px;
}
.home-icon { font-size: 40px; }
.home-name { font-size: 14px; color: #88ddaa; letter-spacing: 1px; }
.home-desc { font-size: 11px; color: var(--text2); margin-top: 2px; }
.home-stats { margin-left: auto; display: flex; gap: 20px; }
.home-stat  { text-align: center; }
.home-stat-val { font-size: 18px; color: var(--accent2); display: block; }
.home-stat-lbl { font-size: 10px; color: var(--text2); }

.section-label { font-size: 10px; color: var(--text2); letter-spacing: 3px; font-weight: normal; margin-bottom: 14px; }

.planet-card { width: 160px; padding: 20px 14px; }
.planet-icon { font-size: 28px; display: block; margin-bottom: 8px; }
.planet-name { font-size: 12px; letter-spacing: 1px; display: block; margin-bottom: 4px; }
.planet-desc { font-size: 10px; color: var(--text2); text-align: center; }

.flow-row   { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--text2); flex-wrap: wrap; }
.flow-item  { background: var(--bg3); border: 1px solid var(--border); border-radius: 4px; padding: 3px 8px; }
.flow-arrow { color: var(--accent); }

/* ── 미니맵 ── */
#minimap {
  position: fixed; bottom: 12px; right: 12px; z-index: 150;
  border: 1px solid var(--border); border-radius: 4px;
  background: rgba(13,15,10,.85);
}

/* ── 툴바 (인게임) ── */
#toolbar {
  position: fixed; left: 10px; top: calc(var(--hud-h) + 10px); z-index: 150;
  display: flex; flex-direction: column; gap: 3px;
}
.tool-btn {
  background: rgba(13,15,10,.92); border: 1px solid var(--border2);
  color: var(--accent); padding: 5px 10px; font-family: inherit; font-size: 10px;
  letter-spacing: .5px; white-space: nowrap; border-radius: 3px;
  transition: background .12s, border-color .12s;
}
.tool-btn:hover  { background: var(--bg3); border-color: var(--accent); }
.tool-btn.active { background: #1a3010; border-color: #aae040; color: #ccff66; }
.tool-btn.danger { border-color: #6a2020; color: var(--danger); }

#info-hint {
  position: fixed; left: 10px; bottom: 10px; z-index: 150;
  font-size: 10px; color: var(--text3); line-height: 1.8; pointer-events: none;
}

/* ── 스크롤바 ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }