:root {
  --bg-color: #0f172a;
  --panel-bg: rgba(30, 41, 59, 0.7);
  --border-color: rgba(255, 255, 255, 0.1);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent: #6366f1;
}

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

body {
  font-family: 'Noto Sans KR', 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  padding: 3rem 1rem;
}

header {
  text-align: center;
  margin-bottom: 2.5rem;
}

header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #a5b4fc, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -1px;
}

header p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.chart-container {
  width: 100%;
  max-width: 900px;
  height: 650px;
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 3rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(16px);
  position: relative;
}

/* Axis Labels positioned absolutely inside chart container */
.axis-label {
  position: absolute;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  text-align: center;
  pointer-events: none; /* Let canvas handle clicks */
}

.top-label { top: 1rem; left: 50%; transform: translateX(-50%); }
.bottom-label { bottom: 1rem; left: 50%; transform: translateX(-50%); }
.left-label { top: 50%; left: 0.5rem; transform: translateY(-50%); }
.right-label { top: 50%; right: 0.5rem; transform: translateY(-50%); }

/* Modal / Popup */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(15, 23, 42, 0.8);
  justify-content: center;
  align-items: center;
  z-index: 1000;
  backdrop-filter: blur(5px);
}

.modal-content {
  background-color: #1e293b;
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  border-radius: 16px;
  width: 450px;
  max-width: 90%;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  position: relative;
  animation: popIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.modal-content h2 {
  color: #fff;
  font-size: 1.8rem;
}

hr {
  border: 0;
  height: 1px;
  background: var(--border-color);
  margin: 1.5rem 0;
}

.close-btn {
  position: absolute;
  top: 1.2rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.8rem;
  cursor: pointer;
  transition: color 0.2s;
}

.close-btn:hover {
  color: #fff;
}

.badge {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: rgba(99, 102, 241, 0.2);
  color: #a5b4fc;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 20px;
  border: 1px solid rgba(99, 102, 241, 0.5);
}

.pos-info {
  color: var(--text-muted);
  font-size: 0.95rem;
}
.pos-info strong {
  color: #fff;
  font-weight: 600;
}

h3 {
  font-size: 1.1rem;
  color: #e2e8f0;
  margin-bottom: 1rem;
  display: flex; align-items: center; gap: 0.5rem;
}

.news-container {
  background: rgba(0, 0, 0, 0.2);
  padding: 1rem;
  border-radius: 8px;
  border-left: 3px solid var(--accent);
}

.news-container p {
  color: #cbd5e1;
  line-height: 1.6;
  font-size: 0.95rem;
}

@keyframes popIn {
  from { transform: scale(0.95) translateY(10px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

/* 추가 폼 및 리스트 컨테이너 스타일 */
.admin-panel, .list-panel {
  width: 100%;
  max-width: 900px;
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  margin-top: 1.5rem;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(16px);
}

.admin-panel h2, .list-panel h2 {
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
  color: #fff;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.8rem;
}

#addPersonForm {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  flex-wrap: wrap;
}

.form-group {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 200px;
}

.form-group label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.form-group input {
  background-color: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 0.8rem 1rem;
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent);
}

.btn-primary {
  background-color: var(--accent);
  color: #fff;
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
  height: max-content;
}

.btn-primary:hover {
  background-color: #4f46e5;
}

.btn-primary:active {
  transform: scale(0.98);
}

/* 리스트 스타일 */
.list-container {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  max-height: 400px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

/* 스크롤바 커스텀 */
.list-container::-webkit-scrollbar {
  width: 6px;
}
.list-container::-webkit-scrollbar-track {
  background: transparent;
}
.list-container::-webkit-scrollbar-thumb {
  background-color: var(--border-color);
  border-radius: 10px;
}

.list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
  border-radius: 10px;
  transition: background-color 0.2s;
  cursor: pointer;
}

.list-item:hover {
  background-color: rgba(30, 41, 59, 1);
  border-color: rgba(99, 102, 241, 0.5);
}

.list-info {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.list-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.list-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

.list-role {
  font-size: 0.8rem;
  padding: 0.2rem 0.6rem;
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  border-radius: 12px;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.list-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.list-desc strong {
  color: #cbd5e1;
}

.pending-badge {
  color: #fbbf24;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px dashed #fbbf24;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
}