/* 관리자 페이지 — 검은 우주 공간 위의 신경망과 관리 레이어 */

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

html, body {
  height: 100%;
  overflow: hidden;
  background: #000;
  color: #dcd9d2;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  -webkit-font-smoothing: antialiased;
}

#space {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}

#space.dragging { cursor: grabbing; }

/* ---------- HUD ---------- */
#hud {
  position: fixed;
  top: 22px;
  left: 26px;
  right: 26px;
  z-index: 20;
  display: flex;
  align-items: baseline;
  gap: 24px;
  pointer-events: none;
  font-family: ui-monospace, monospace;
}

#hud-title {
  font-size: 12px;
  letter-spacing: 0.3em;
  color: rgba(220, 217, 210, 0.8);
}

#hud-hint {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(220, 217, 210, 0.35);
}

#back-link {
  margin-left: auto;
  pointer-events: auto;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(220, 217, 210, 0.4);
  text-decoration: none;
  transition: color 0.3s;
}

#back-link:hover { color: rgba(220, 217, 210, 0.9); }

/* ---------- 노드 툴팁 ---------- */
#node-tooltip {
  position: fixed;
  z-index: 20;
  pointer-events: none;
  transform: translate(-50%, -160%);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: rgba(220, 217, 210, 0.9);
  text-shadow: 0 0 12px rgba(120, 180, 255, 0.6);
  opacity: 0;
  transition: opacity 0.2s;
  white-space: nowrap;
}

#node-tooltip.visible { opacity: 1; }

/* ---------- 관리 레이어 (공간 위에 열리는 팝업) ---------- */
#layer[hidden] { display: none; }

#layer {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 4, 0.45);
  backdrop-filter: blur(3px);
}

#layer-panel {
  width: min(680px, 92vw);
  max-height: 80vh;
  overflow-y: auto;
  background: rgba(8, 10, 18, 0.88);
  border: 1px solid rgba(140, 180, 255, 0.18);
  box-shadow: 0 0 60px rgba(90, 140, 255, 0.12), 0 30px 80px rgba(0, 0, 0, 0.7);
  padding: 32px 36px 36px;
  animation: layer-in 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes layer-in {
  from { opacity: 0; transform: translateY(14px) scale(0.985); }
  to   { opacity: 1; transform: none; }
}

#layer-panel header {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas: "eyebrow close" "title close";
  margin-bottom: 22px;
}

#layer-eyebrow {
  grid-area: eyebrow;
  font-size: 10px;
  letter-spacing: 0.32em;
  color: rgba(140, 180, 255, 0.6);
  font-family: ui-monospace, monospace;
}

#layer-title {
  grid-area: title;
  margin-top: 6px;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.05em;
}

#layer-close {
  grid-area: close;
  align-self: start;
  background: none;
  border: none;
  color: rgba(220, 217, 210, 0.45);
  font-size: 15px;
  cursor: pointer;
  padding: 4px;
}

#layer-close:hover { color: rgba(220, 217, 210, 0.95); }

#layer-body { font-size: 13px; line-height: 1.7; }

#layer-body .layer-note {
  color: rgba(220, 217, 210, 0.45);
  font-size: 12px;
  margin-bottom: 18px;
}

/* 자산 테이블 */
.asset-table { width: 100%; border-collapse: collapse; }

.asset-table th, .asset-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(220, 217, 210, 0.08);
  font-size: 12px;
  vertical-align: middle;
}

.asset-table th {
  font-weight: 500;
  letter-spacing: 0.14em;
  font-size: 10px;
  color: rgba(140, 180, 255, 0.55);
  font-family: ui-monospace, monospace;
}

.asset-table img { display: block; height: 40px; width: auto; }

.asset-table .mono { font-family: ui-monospace, monospace; color: rgba(220, 217, 210, 0.6); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 10px;
  letter-spacing: 0.12em;
  border: 1px solid rgba(120, 220, 160, 0.4);
  color: rgba(140, 230, 175, 0.9);
}

.badge.off {
  border-color: rgba(220, 217, 210, 0.25);
  color: rgba(220, 217, 210, 0.45);
}

/* 관리 폼 */
.form-title {
  margin: 26px 0 6px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.admin-form { display: flex; gap: 10px; margin-top: 12px; }

.admin-form.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.admin-form .span2 { grid-column: span 2; }

.admin-form input, .admin-form textarea {
  background: rgba(20, 24, 38, 0.7);
  border: 1px solid rgba(140, 180, 255, 0.18);
  color: rgba(220, 217, 210, 0.9);
  padding: 9px 12px;
  font-size: 12.5px;
  font-family: inherit;
}

.admin-form textarea { min-height: 64px; resize: vertical; }

.admin-form input::placeholder, .admin-form textarea::placeholder {
  color: rgba(220, 217, 210, 0.35);
}

.admin-form input:focus, .admin-form textarea:focus {
  outline: none;
  border-color: rgba(140, 180, 255, 0.5);
}

.admin-form button {
  background: rgba(140, 180, 255, 0.12);
  border: 1px solid rgba(140, 180, 255, 0.35);
  color: rgba(220, 230, 255, 0.9);
  padding: 9px 18px;
  font-size: 12px;
  letter-spacing: 0.14em;
  cursor: pointer;
}

.admin-form button:hover { background: rgba(140, 180, 255, 0.22); }

.row-btn {
  background: none;
  border: 1px solid rgba(220, 120, 120, 0.35);
  color: rgba(235, 160, 160, 0.85);
  font-size: 10px;
  letter-spacing: 0.1em;
  padding: 3px 9px;
  cursor: pointer;
}

.row-btn:hover { background: rgba(220, 120, 120, 0.12); }

.badge-btn { cursor: pointer; background: none; }

/* 메타 그리드 */
.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px 28px;
}

.meta-grid dt {
  font-size: 10px;
  letter-spacing: 0.24em;
  color: rgba(140, 180, 255, 0.5);
  font-family: ui-monospace, monospace;
  margin-bottom: 4px;
}

.meta-grid dd { font-size: 13px; color: rgba(220, 217, 210, 0.85); }