/* ================================================================
   N-Side — 공통 스타일시트
   배경: #0F172A / 카드: #1E293B / 강조: #3B82F6
   ================================================================ */

/* ── CSS 변수 ─────────────────────────────────────────────────── */
:root {
  /* 배경 */
  --bg:        #0F172A;
  --bg2:       #1E293B;
  --bg3:       #243447;
  --bg4:       #2D3F57;
  /* 테두리 */
  --border:    #1E3352;
  --border2:   #2D4A6B;
  /* 텍스트 */
  --t1:        #F1F5F9;
  --t2:        #94A3B8;
  --t3:        #475569;
  /* 강조색 */
  --blue:      #3B82F6;
  --blue2:     #60A5FA;
  --indigo:    #6366F1;
  --indigo2:   #818CF8;
  --green:     #22C55E;
  --green2:    #4ADE80;
  --yellow:    #F59E0B;
  --yellow2:   #FCD34D;
  --red:       #EF4444;
  --red2:      #F87171;
  --purple:    #A855F7;
  --cyan:      #06B6D4;
  --orange:    #F97316;
  /* 레이아웃 */
  --sidebar-w: 240px;
  --topbar-h:  56px;
  --radius:    12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  /* 쉐도우 */
  --shadow:    0 4px 20px rgba(0,0,0,.4);
  --shadow-sm: 0 2px 8px  rgba(0,0,0,.3);
}

/* ── 리셋 & 기본 ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Sans KR', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--t1);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

/* 스크롤바 */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }

/* ── 레이아웃 ────────────────────────────────────────────────── */
.app-wrap { display: flex; min-height: 100vh; }

/* ── 사이드바 ────────────────────────────────────────────────── */
.sidebar {
  position: fixed; top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  z-index: 200;
  transition: transform .25s ease;
  overflow: hidden;
}
.sidebar-logo {
  display: flex; align-items: center; gap: 10px;
  padding: 18px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sidebar-logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--indigo), var(--blue));
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 900; color: #fff;
  box-shadow: 0 4px 12px rgba(99,102,241,.4);
  flex-shrink: 0;
}
.sidebar-logo-text { line-height: 1.2; }
.sidebar-logo-name { font-size: 17px; font-weight: 900; letter-spacing: -.5px; }
.sidebar-logo-sub  { font-size: 10px; color: var(--t3); }

.sidebar-nav { flex: 1; padding: 10px 8px; overflow-y: auto; }
.nav-section-label {
  font-size: 10px; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--t3);
  padding: 14px 10px 5px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 13.5px; font-weight: 500;
  color: var(--t2);
  border: none; background: none;
  width: 100%; text-align: left;
  margin-bottom: 2px;
  transition: all .15s;
  white-space: nowrap;
}
.nav-item:hover { background: var(--bg3); color: var(--t1); }
.nav-item.active {
  background: rgba(99,102,241,.18);
  color: #a5b4fc;
  font-weight: 700;
}
.nav-item-icon { font-size: 15px; width: 20px; text-align: center; flex-shrink: 0; }
.nav-item-label { flex: 1; }
.nav-badge {
  font-size: 10px; font-weight: 700;
  padding: 1px 7px; border-radius: 20px;
  background: var(--blue); color: #fff;
}
.nav-badge.new {
  background: rgba(34,197,94,.2);
  color: var(--green);
  border: 1px solid rgba(34,197,94,.3);
}

.sidebar-footer {
  padding: 10px 8px;
  border-top: 1px solid var(--border);
  font-size: 11px; color: var(--t3);
}

/* 사이드바 오버레이 (모바일) */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 199;
}
.sidebar-overlay.show { display: block; }

/* ── 탑바 ────────────────────────────────────────────────────── */
.topbar {
  position: fixed; top: 0;
  left: var(--sidebar-w); right: 0;
  height: var(--topbar-h);
  background: rgba(15,23,42,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px;
  z-index: 100;
}
.topbar-left  { display: flex; align-items: center; gap: 10px; }
.topbar-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.topbar-title { font-size: 14px; font-weight: 700; }
.menu-toggle  { display: none; background: none; border: none; color: var(--t2); font-size: 20px; padding: 6px; }

/* ── 메인 콘텐츠 ─────────────────────────────────────────────── */
.main {
  margin-left: var(--sidebar-w);
  padding-top: var(--topbar-h);
  min-height: 100vh;
  flex: 1;
}
.page-body { padding: 28px; }
.page-hd   { margin-bottom: 24px; }
.page-hd-title { font-size: 22px; font-weight: 900; margin-bottom: 6px; display: flex; align-items: center; gap: 8px; }
.page-hd-sub   { font-size: 13px; color: var(--t2); }

/* ── 카드 ────────────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 18px;
}
.card-title {
  font-size: 15px; font-weight: 700;
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.card-sm { padding: 16px; }

/* ── 버튼 ────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 600;
  border: none; cursor: pointer;
  transition: all .15s;
  font-family: inherit;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--indigo), var(--blue));
  color: #fff;
  box-shadow: 0 4px 14px rgba(99,102,241,.35);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(99,102,241,.45); }
.btn-primary:disabled { opacity: .5; transform: none; cursor: not-allowed; }
.btn-success { background: var(--green);  color: #fff; }
.btn-danger  { background: var(--red);    color: #fff; }
.btn-ghost   { background: transparent; border: 1px solid var(--border2); color: var(--t2); }
.btn-ghost:hover { border-color: var(--indigo); color: #a5b4fc; }
.btn-sm  { padding: 6px 14px;  font-size: 12px; }
.btn-lg  { padding: 12px 28px; font-size: 15px; font-weight: 700; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ── 폼 ─────────────────────────────────────────────────────── */
.form-label {
  display: block;
  font-size: 12px; font-weight: 600; color: var(--t2);
  margin-bottom: 6px;
}
.form-input {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  color: var(--t1);
  font-size: 14px;
  padding: 11px 14px;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  font-family: inherit;
}
.form-input:focus {
  border-color: var(--indigo);
  box-shadow: 0 0 0 3px rgba(99,102,241,.15);
}
.form-input::placeholder { color: var(--t3); }
.form-input:disabled { opacity: .5; cursor: not-allowed; }
.form-hint { font-size: 11px; color: var(--t3); margin-top: 4px; }

/* ── 배지 ────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 700;
}
.badge-green  { background: rgba(34,197,94,.12);  color: var(--green);  border: 1px solid rgba(34,197,94,.3); }
.badge-blue   { background: rgba(59,130,246,.12);  color: var(--blue2);  border: 1px solid rgba(59,130,246,.3); }
.badge-yellow { background: rgba(245,158,11,.12);  color: var(--yellow); border: 1px solid rgba(245,158,11,.3); }
.badge-red    { background: rgba(239,68,68,.12);   color: var(--red2);   border: 1px solid rgba(239,68,68,.3); }
.badge-purple { background: rgba(168,85,247,.12);  color: var(--purple); border: 1px solid rgba(168,85,247,.3); }
.badge-gray   { background: rgba(100,116,139,.12); color: #94A3B8;       border: 1px solid rgba(100,116,139,.3); }
.badge-indigo { background: rgba(99,102,241,.12);  color: var(--indigo2);border: 1px solid rgba(99,102,241,.3); }
.badge-cyan   { background: rgba(6,182,212,.12);   color: var(--cyan);   border: 1px solid rgba(6,182,212,.3); }

/* ── 통계 카드 그리드 ────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  text-align: center;
  transition: border-color .2s;
}
.stat-card:hover { border-color: var(--border2); }
.stat-icon  { font-size: 26px; margin-bottom: 8px; }
.stat-val   { font-size: 26px; font-weight: 900; line-height: 1; }
.stat-label { font-size: 11px; color: var(--t2); margin-top: 5px; }

/* ── 로딩 ────────────────────────────────────────────────────── */
.loading-box {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 48px;
  text-align: center; margin-bottom: 18px;
}
.spinner {
  width: 44px; height: 44px; border-radius: 50%;
  border: 3px solid rgba(255,255,255,.08);
  border-top-color: var(--indigo);
  animation: spin .7s linear infinite;
  margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.lsteps { margin-top: 16px; display: flex; flex-direction: column; gap: 6px; text-align: left; max-width: 360px; margin-left: auto; margin-right: auto; }
.lstep  { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-radius: var(--radius-sm); font-size: 13px; color: var(--t3); background: var(--bg3); }
.lstep.active { color: var(--blue2); background: rgba(59,130,246,.1); }
.lstep.done   { color: var(--green);  background: rgba(34,197,94,.08); }
.lstep-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border2); flex-shrink: 0; }
.lstep.active .lstep-dot { background: var(--blue); box-shadow: 0 0 0 3px rgba(59,130,246,.25); animation: pulse-dot 1s infinite; }
.lstep.done   .lstep-dot { background: var(--green); }
@keyframes pulse-dot { 0%,100%{opacity:1}50%{opacity:.4} }

/* ── 경고/오류 배너 ──────────────────────────────────────────── */
.api-banner {
  display: none;
  align-items: flex-start; gap: 14px; flex-wrap: wrap;
  background: rgba(239,68,68,.08);
  border: 1px solid rgba(239,68,68,.3);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 20px;
}
.api-banner.show { display: flex; }
.api-banner.warn {
  background: rgba(245,158,11,.08);
  border-color: rgba(245,158,11,.3);
}
.api-banner-icon { font-size: 22px; flex-shrink: 0; }
.api-banner-body { flex: 1; font-size: 13px; line-height: 1.7; }
.api-banner-body strong { color: var(--red2); }
.api-banner.warn .api-banner-body strong { color: var(--yellow); }
.api-banner-cta {
  padding: 7px 16px; border-radius: var(--radius-sm);
  font-size: 12px; font-weight: 700; border: none; cursor: pointer;
  background: var(--red); color: #fff; white-space: nowrap; align-self: flex-start;
}
.api-banner.warn .api-banner-cta { background: var(--yellow); color: #000; }

.error-box {
  background: rgba(239,68,68,.06);
  border: 1px solid rgba(239,68,68,.25);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 18px;
}
.error-box-title { font-size: 14px; font-weight: 700; color: var(--red2); margin-bottom: 8px; }
.error-box-msg   { font-size: 13px; color: var(--t2); line-height: 1.7; }
.error-code {
  display: inline-block;
  background: var(--bg3);
  padding: 2px 8px; border-radius: 4px;
  font-size: 12px; font-family: monospace;
}

/* ── 탭 ─────────────────────────────────────────────────────── */
.tabs {
  display: flex; gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
  overflow-x: auto;
}
.tab-btn {
  padding: 11px 22px;
  font-size: 13.5px; font-weight: 500;
  color: var(--t3); cursor: pointer;
  border: none; background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all .15s; white-space: nowrap;
}
.tab-btn:hover { color: var(--t1); }
.tab-btn.active { color: var(--blue2); border-bottom-color: var(--blue); font-weight: 700; }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ── 테이블 ─────────────────────────────────────────────────── */
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th {
  background: var(--bg3); color: var(--t2); font-weight: 600;
  padding: 10px 14px; text-align: left;
  border-bottom: 1px solid var(--border);
}
.tbl td { padding: 10px 14px; border-bottom: 1px solid var(--border); color: var(--t1); }
.tbl tr:last-child td { border-bottom: none; }
.tbl tr:hover td { background: var(--bg3); }

/* ── 차트 ────────────────────────────────────────────────────── */
.chart-wrap     { position: relative; height: 260px; }
.chart-wrap-md  { position: relative; height: 200px; }
.chart-wrap-sm  { position: relative; height: 160px; }
.chart-wrap-lg  { position: relative; height: 340px; }

/* ── 그리드 ─────────────────────────────────────────────────── */
.grid2 { display: grid; grid-template-columns: 1fr 1fr;     gap: 16px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

/* ── 프로그레스 ──────────────────────────────────────────────── */
.progress-bar  { background: var(--bg4); border-radius: 99px; height: 8px; overflow: hidden; margin-top: 5px; }
.progress-fill { height: 100%; border-radius: 99px; transition: width 1.1s ease; }

/* ── 필터 탭 ────────────────────────────────────────────────── */
.filter-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.filter-tab {
  padding: 5px 14px; border-radius: 20px;
  font-size: 12px; font-weight: 600;
  border: 1px solid var(--border2); background: transparent; color: var(--t2);
  cursor: pointer; transition: all .15s;
}
.filter-tab:hover { border-color: var(--blue); color: var(--blue2); }
.filter-tab.active { background: rgba(59,130,246,.15); border-color: var(--blue); color: var(--blue2); }

/* ── 토스트 ─────────────────────────────────────────────────── */
#toastContainer {
  position: fixed; top: 70px; right: 20px;
  z-index: 9999;
  display: flex; flex-direction: column; gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--bg2); border: 1px solid var(--border2);
  border-radius: 10px; padding: 12px 16px;
  font-size: 13px; color: var(--t1);
  display: flex; align-items: center; gap: 8px;
  animation: toast-in .3s ease;
  box-shadow: var(--shadow);
  min-width: 240px; max-width: 360px;
  pointer-events: auto;
}
.toast.success { border-color: rgba(34,197,94,.4);  background: rgba(34,197,94,.08); }
.toast.error   { border-color: rgba(239,68,68,.4);  background: rgba(239,68,68,.08); }
.toast.warning { border-color: rgba(245,158,11,.4); background: rgba(245,158,11,.08); }
@keyframes toast-in  { from { transform: translateX(120%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes toast-out { to   { transform: translateX(120%); opacity: 0; } }

/* ── 모달 ────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.65);
  z-index: 500;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  animation: fade-in .2s ease;
}
@keyframes fade-in { from { opacity: 0; } }
.modal {
  background: var(--bg2); border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  width: 100%; max-width: 520px;
  max-height: 90vh; overflow-y: auto;
  box-shadow: var(--shadow);
  animation: slide-up .25s ease;
}
@keyframes slide-up { from { transform: translateY(20px); opacity: 0; } }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px 0;
  margin-bottom: 16px;
}
.modal-title { font-size: 17px; font-weight: 800; }
.modal-close {
  background: none; border: none; color: var(--t3);
  font-size: 18px; cursor: pointer; padding: 4px;
}
.modal-close:hover { color: var(--t1); }
.modal-body   { padding: 0 24px 8px; }
.modal-footer { padding: 16px 24px 20px; display: flex; justify-content: flex-end; gap: 8px; }

/* ── 연결 상태 점 ────────────────────────────────────────────── */
.status-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 5px; }
.status-dot.ok  { background: var(--green); box-shadow: 0 0 6px var(--green); }
.status-dot.err { background: var(--red);   box-shadow: 0 0 6px var(--red); }
.status-dot.na  { background: var(--t3); }

/* ── 초기 안내 빈 화면 ───────────────────────────────────────── */
.empty-state { text-align: center; padding: 60px 20px; color: var(--t2); }
.empty-state-icon  { font-size: 52px; margin-bottom: 16px; }
.empty-state-title { font-size: 18px; font-weight: 700; color: var(--t1); margin-bottom: 8px; }
.empty-state-sub   { font-size: 14px; }

/* ── 섹션 구분선 ─────────────────────────────────────────────── */
.divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

/* ── 유틸 ────────────────────────────────────────────────────── */
.text-muted  { color: var(--t2); }
.text-xs     { font-size: 11px; }
.text-sm     { font-size: 12px; }
.text-right  { text-align: right; }
.text-center { text-align: center; }
.fw-bold  { font-weight: 700; }
.fw-black { font-weight: 900; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 14px; }
.mt-4 { margin-top: 20px; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 14px; }
.flex-row  { display: flex; align-items: center; gap: 10px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.w-full { width: 100%; }
.mono { font-family: 'Fira Code', monospace; }

/* ── 연관 키워드 그리드 ──────────────────────────────────────── */
.kw-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap: 10px; }
.kw-card {
  background: var(--bg3); border: 1px solid var(--border2);
  border-radius: 10px; padding: 12px 14px;
  cursor: pointer; transition: all .15s;
}
.kw-card:hover { border-color: var(--indigo); background: var(--bg4); }
.kw-card-name { font-size: 13px; font-weight: 700; margin-bottom: 6px; }
.kw-card-meta { display: flex; gap: 8px; flex-wrap: wrap; font-size: 11px; color: var(--t2); }

/* ── 포스팅 아이템 ───────────────────────────────────────────── */
.post-item {
  background: var(--bg3); border-radius: 10px;
  padding: 14px; margin-bottom: 8px;
  border: 1px solid transparent; transition: border-color .15s;
}
.post-item:hover { border-color: var(--border2); }
.post-title { font-size: 13.5px; font-weight: 600; margin-bottom: 6px; line-height: 1.5; }
.post-title a:hover { color: var(--blue2); }
.post-meta  { display: flex; gap: 12px; flex-wrap: wrap; font-size: 11px; color: var(--t2); }

/* ── 코드블록 ────────────────────────────────────────────────── */
.code-block {
  background: #0D1B2A; border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-family: 'Fira Code', monospace;
  font-size: 12px; line-height: 1.8;
  overflow-x: auto; color: #94A3B8;
}
.code-block .key   { color: #60A5FA; }
.code-block .val   { color: #34D399; }
.code-block .cmt   { color: #475569; font-style: italic; }

/* ── 반응형 ─────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .grid3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .sidebar { transform: translateX(calc(-1 * var(--sidebar-w))); }
  .sidebar.open { transform: translateX(0); }
  .topbar { left: 0; }
  .main   { margin-left: 0; }
  .menu-toggle { display: flex; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .grid2, .grid3 { grid-template-columns: 1fr; }
  .page-body { padding: 16px; }
  .topbar { padding: 0 16px; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
}