@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
  --bg:        #f0f4f8;
  --bg2:       #ffffff;
  --bg3:       #e8edf3;
  --border:    #d1d9e0;
  --text:      #1a2332;
  --text2:     #4a5568;
  --text3:     #8a96a3;
  --accent:    #1a56a0;
  --accent2:   #134080;
  --accent-bg: #e8f0fb;
  --green:     #1a7a3c;
  --green-bg:  #e8f5ee;
  --yellow:    #92600a;
  --yellow-bg: #fef3cd;
  --orange:    #9a3c10;
  --orange-bg: #fdeee8;
  --red:       #9b1c1c;
  --red-bg:    #fde8e8;
  --nav-w:     220px;
  --radius:    6px;
  --shadow:    0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.10);
}

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

body {
  font-family: 'Noto Sans KR', sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
  font-size: 13px;
  line-height: 1.5;
}

/* ── 사이드 네비 ─────────────────────────────────────── */
.nav {
  width: var(--nav-w);
  background: #1e3a5f;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  overflow-y: auto;
}

.nav-logo {
  padding: 18px 16px 14px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  flex-shrink: 0;
}
.nav-logo .logo-mark {
  width: 32px; height: 32px;
  background: #4a9edd;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700; color: #fff;
  margin-bottom: 8px;
}
.nav-logo .logo-text {
  font-size: 13px; font-weight: 700;
  color: #ffffff;
  letter-spacing: .02em;
}
.nav-logo .logo-sub {
  font-size: 10px;
  color: rgba(255,255,255,.4);
  margin-top: 1px;
  font-family: 'JetBrains Mono', monospace;
}

.nav-section {
  padding: 10px 0 4px;
}
.nav-section-title {
  font-size: 9px;
  font-weight: 600;
  color: rgba(255,255,255,.35);
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 0 16px 4px;
}

.nav-menu { list-style: none; padding: 0; }

.nav-menu li a {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px;
  color: rgba(255,255,255,.65);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all .12s;
  border-left: 2px solid transparent;
}
.nav-menu li a:hover {
  color: #fff;
  background: rgba(255,255,255,.08);
}
.nav-menu li a.active {
  color: #fff;
  background: rgba(74,158,221,.25);
  border-left-color: #4a9edd;
}
.nav-menu li a .icon { font-size: 14px; width: 18px; text-align: center; flex-shrink: 0; }

.nav-sub-menu { list-style: none; padding: 0; }
.nav-sub-menu li a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px 6px 42px;
  color: rgba(255,255,255,.5);
  text-decoration: none;
  font-size: 12px;
  font-weight: 400;
  transition: all .12s;
  border-left: 2px solid transparent;
}
.nav-sub-menu li a:hover { color: rgba(255,255,255,.85); background: rgba(255,255,255,.05); }
.nav-sub-menu li a.active { color: #7ec8f0; border-left-color: #4a9edd; }

.nav-divider { height: 1px; background: rgba(255,255,255,.08); margin: 6px 0; }

/* ── 메인 컨텐츠 ─────────────────────────────────────── */
.main {
  margin-left: var(--nav-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky; top: 0; z-index: 50;
  box-shadow: var(--shadow);
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-breadcrumb { font-size: 12px; color: var(--text3); }
.topbar-breadcrumb span { color: var(--text); font-weight: 600; }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.topbar-date { font-size: 11px; color: var(--text3); font-family: 'JetBrains Mono', monospace; }
.topbar-user { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text2); }
.user-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
}

.content { padding: 20px 24px; flex: 1; }

/* ── 페이지 헤더 ─────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.page-title { font-size: 18px; font-weight: 700; color: var(--text); }
.page-subtitle { font-size: 12px; color: var(--text3); margin-top: 2px; }
.page-actions { display: flex; gap: 8px; align-items: center; }

/* ── 카드 ────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.card-title { font-size: 14px; font-weight: 600; color: var(--text); }
.card-subtitle { font-size: 11px; color: var(--text3); margin-top: 2px; }
.card-body { padding: 18px; }

/* ── KPI 카드 ────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.kpi {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow);
}
.kpi-label { font-size: 11px; color: var(--text3); margin-bottom: 6px; font-weight: 500; }
.kpi-value { font-size: 26px; font-weight: 700; font-family: 'JetBrains Mono', monospace; color: var(--text); line-height: 1; }
.kpi-sub   { font-size: 11px; color: var(--text3); margin-top: 4px; }
.kpi-trend { font-size: 11px; margin-top: 4px; }
.kpi-trend.up   { color: var(--green); }
.kpi-trend.down { color: var(--red); }
.kpi.accent { border-top: 3px solid var(--accent); }
.kpi.green  { border-top: 3px solid #1a7a3c; }
.kpi.yellow { border-top: 3px solid #d97706; }
.kpi.red    { border-top: 3px solid #dc2626; }
.kpi.orange { border-top: 3px solid #ea580c; }

/* ── 버튼 ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 14px;
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .12s;
  white-space: nowrap;
  text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent2); border-color: var(--accent2); }
.btn-secondary { background: var(--bg2); color: var(--text2); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg3); color: var(--text); }
.btn-ghost { background: transparent; color: var(--text3); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg3); color: var(--text2); }
.btn-danger { background: transparent; color: var(--red); border-color: var(--red); }
.btn-danger:hover { background: var(--red); color: #fff; }
.btn-success { background: var(--green); color: #fff; border-color: var(--green); }
.btn-sm { padding: 4px 10px; font-size: 11px; }
.btn-icon { padding: 6px 8px; }

/* ── 테이블 ──────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }

thead th {
  background: #2d5282;
  color: #ffffff;
  font-size: 11px;
  font-weight: 600;
  padding: 9px 12px;
  text-align: left;
  white-space: nowrap;
  border-right: 1px solid rgba(255,255,255,.1);
  letter-spacing: .02em;
}
thead th:last-child { border-right: none; }
thead th.center { text-align: center; }
thead th.right  { text-align: right; }

tbody tr { border-bottom: 1px solid var(--border); transition: background .1s; }
tbody tr:hover { background: #f0f6ff; }
tbody tr:last-child { border-bottom: none; }

tbody td {
  padding: 9px 12px;
  color: var(--text);
  font-size: 13px;
  white-space: nowrap;
}
tbody td.center { text-align: center; }
tbody td.right  { text-align: right; }
tbody td.muted  { color: var(--text3); }

tfoot td {
  padding: 9px 12px;
  font-size: 13px;
  font-weight: 700;
  background: var(--bg3);
  border-top: 2px solid var(--border);
  white-space: nowrap;
}

.mono { font-family: 'JetBrains Mono', monospace; font-size: 12px; }

/* ── 배지 ────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}
.badge::before { content: '●'; font-size: 7px; }
.badge-blue   { background: var(--accent-bg);  color: var(--accent); }
.badge-green  { background: var(--green-bg);   color: var(--green); }
.badge-yellow { background: var(--yellow-bg);  color: var(--yellow); }
.badge-orange { background: var(--orange-bg);  color: var(--orange); }
.badge-red    { background: var(--red-bg);     color: var(--red); }
.badge-gray   { background: var(--bg3);        color: var(--text3); }

/* ── 폼 ──────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}
.form-grid-3 { grid-template-columns: repeat(3, 1fr); }
.form-grid-4 { grid-template-columns: repeat(4, 1fr); }

.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.full { grid-column: 1 / -1; }
.form-group.span2 { grid-column: span 2; }

.form-group label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text2);
  letter-spacing: .03em;
}
.form-group label .req { color: var(--red); margin-left: 2px; }

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  padding: 7px 10px;
  transition: border-color .12s, box-shadow .12s;
  outline: none;
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(26,86,160,.12);
}
.form-group input[readonly] { background: var(--bg3); color: var(--text3); cursor: not-allowed; }
.form-group select option { background: var(--bg2); }
.form-group textarea { resize: vertical; min-height: 70px; }

/* ── 검색 바 ─────────────────────────────────────────── */
.search-bar {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.search-input-wrap { position: relative; }
.search-input-wrap input { padding-left: 30px; min-width: 200px; }
.search-input-wrap::before {
  content: '🔍';
  position: absolute;
  left: 8px; top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  pointer-events: none;
}

/* ── 모달 ────────────────────────────────────────────── */
.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,30,60,.5);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-backdrop.open { display: flex; }

.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 720px;
  max-width: 96vw;
  max-height: 92vh;
  overflow-y: auto;
  box-shadow: var(--shadow-md);
}
.modal-sm { width: 460px; }
.modal-lg { width: 900px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: var(--bg2); z-index: 1;
}
.modal-title { font-size: 15px; font-weight: 700; }
.modal-close {
  background: none; border: none; color: var(--text3);
  font-size: 20px; cursor: pointer; padding: 2px 6px;
  border-radius: 4px; transition: color .12s; line-height: 1;
}
.modal-close:hover { color: var(--text); background: var(--bg3); }
.modal-body { padding: 20px; }
.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  background: var(--bg3);
  border-radius: 0 0 10px 10px;
}

/* ── 탭 ──────────────────────────────────────────────── */
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 16px; }
.tab-btn {
  padding: 8px 16px;
  font-size: 13px; font-weight: 600;
  color: var(--text3);
  background: none; border: none;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all .12s;
  font-family: inherit;
}
.tab-btn:hover { color: var(--text2); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ── 알림 ────────────────────────────────────────────── */
.alert {
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 14px;
  border-left: 3px solid;
}
.alert-info    { background: var(--accent-bg); border-color: var(--accent); color: var(--accent2); }
.alert-success { background: var(--green-bg);  border-color: var(--green);  color: var(--green); }
.alert-warning { background: var(--yellow-bg); border-color: #d97706;       color: var(--yellow); }
.alert-danger  { background: var(--red-bg);    border-color: var(--red);    color: var(--red); }

/* ── 유틸 ────────────────────────────────────────────── */
.text-right  { text-align: right; }
.text-center { text-align: center; }
.text-mono   { font-family: 'JetBrains Mono', monospace; }
.text-muted  { color: var(--text3); }
.text-accent { color: var(--accent); font-weight: 600; }
.text-green  { color: var(--green); }
.text-red    { color: var(--red); }
.fw-bold     { font-weight: 700; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.flex  { display: flex; }
.flex-center { display: flex; align-items: center; }
.gap-8 { gap: 8px; }

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text3);
  font-size: 13px;
}
.empty-state .empty-icon { font-size: 32px; margin-bottom: 8px; }

/* ── 토스트 알림 ─────────────────────────────────────── */
#toast-container {
  position: fixed;
  top: 60px; right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  background: var(--text);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  box-shadow: var(--shadow-md);
  animation: slideIn .2s ease;
  min-width: 240px;
}
.toast.success { background: var(--green); }
.toast.error   { background: var(--red); }
@keyframes slideIn { from { opacity:0; transform: translateX(20px); } to { opacity:1; transform:none; } }

/* ── 햄버거 버튼 ─────────────────────────────────────── */
.hamburger-btn {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 5px 9px;
  cursor: pointer;
  color: var(--text2);
  font-size: 18px;
  line-height: 1;
  margin-right: 10px;
}

/* ── 모바일 오버레이 ─────────────────────────────────── */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 99;
}
.nav-overlay.open { display: block; }

/* ── 반응형 ──────────────────────────────────────────── */
@media (max-width: 900px) {
  :root { --nav-w: 0px; }

  .hamburger-btn { display: inline-flex; align-items: center; }

  .nav {
    display: flex;
    transform: translateX(-100%);
    transition: transform .22s ease;
    z-index: 100;
    width: 240px;
    box-shadow: 4px 0 20px rgba(0,0,0,.25);
  }
  .nav.open {
    transform: translateX(0);
  }

  .main { margin-left: 0; }

  .topbar { padding: 0 14px; }
  .content { padding: 14px; }

  .kpi-grid { grid-template-columns: repeat(2, 1fr) !important; }

  .form-grid-3, .form-grid-4 { grid-template-columns: 1fr 1fr; }

  .modal { width: 96vw !important; max-width: 96vw !important; }

  .page-actions { flex-wrap: wrap; gap: 6px; }
  .page-actions .btn { font-size: 11px; padding: 6px 10px; }

  .search-bar { flex-wrap: wrap; }
  .search-bar select { width: 100% !important; }
  .search-input-wrap input { width: 100%; min-width: unset; }

  thead th { font-size: 10px; padding: 7px 8px; }
  tbody td { font-size: 12px; padding: 7px 8px; }
}