/* ============================================================
   KCCI Master Admin — 공통 스타일
   ============================================================ */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans KR', -apple-system, sans-serif;
  background: #0E1117;
  color: #E2E8F0;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── 변수 ── */
:root {
  --bg:      #0E1117;
  --bg2:     #161B27;
  --bg3:     #1E2535;
  --border:  rgba(255,255,255,0.08);
  --border2: rgba(255,255,255,0.14);
  --text:    #E2E8F0;
  --text2:   #94A3B8;
  --text3:   #64748B;
  --gold:    #C9A040;
  --gold2:   #F0C060;
  --green:   #22C55E;
  --red:     #EF4444;
  --amber:   #F59E0B;
  --blue:    #3B82F6;
  --sidebar: 220px;
  --topbar:  56px;
  --radius:  6px;
}

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

/* ── 사이드바 ── */
.sidebar {
  width: var(--sidebar);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 50;
  transition: width .2s;
  overflow: hidden;
}
.sb-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sb-logo-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: .04em;
  display: block;
}
.sb-logo-sub {
  font-size: 11px;
  color: var(--text3);
  letter-spacing: .08em;
  margin-top: 2px;
  display: block;
}
.sb-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}
.sb-sec {
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--text3);
  padding: 12px 20px 6px;
  text-transform: uppercase;
}
.sb-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  font-size: 13px;
  color: var(--text2);
  cursor: pointer;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: all .15s;
}
.sb-item:hover { color: var(--text); background: rgba(255,255,255,.03); }
.sb-item.active { color: var(--gold); border-left-color: var(--gold); background: rgba(201,160,64,.06); }
.sb-item .ic { width: 16px; text-align: center; font-size: 14px; flex-shrink: 0; }
.sb-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.sb-logout {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text3);
  cursor: pointer;
  padding: 6px 0;
  transition: color .15s;
}
.sb-logout:hover { color: var(--red); }

/* ── 메인 영역 ── */
.main {
  margin-left: var(--sidebar);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.topbar {
  height: var(--topbar);
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 40;
  flex-shrink: 0;
}
.topbar-title { font-size: 15px; font-weight: 500; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar-badge {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--border2);
  color: var(--text3);
}
.topbar-badge.connected { border-color: rgba(34,197,94,.4); color: var(--green); }
.content { flex: 1; padding: 28px; }

/* ── 카드 ── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.card-head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-head h3 { font-size: 14px; font-weight: 500; }
.card-body { padding: 20px; }

/* ── 폼 요소 ── */
.fg { margin-bottom: 14px; }
.fg:last-child { margin-bottom: 0; }
.fg label {
  display: block;
  font-size: 11px;
  color: var(--text3);
  letter-spacing: .06em;
  margin-bottom: 6px;
  text-transform: uppercase;
}
.fg input, .fg select, .fg textarea {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 12px;
  font-size: 13px;
  font-family: inherit;
  border-radius: 4px;
  outline: none;
  transition: border-color .15s;
}
.fg input:focus, .fg select:focus, .fg textarea:focus {
  border-color: var(--gold);
}
.fg textarea { min-height: 80px; resize: vertical; line-height: 1.7; }
.fg .hint { font-size: 11px; color: var(--text3); margin-top: 4px; }
.fg-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.fg-row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

/* ── 버튼 ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-family: inherit;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: all .15s;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary { background: var(--gold); color: #000; font-weight: 600; }
.btn-primary:hover { background: var(--gold2); }
.btn-ghost { background: transparent; color: var(--text2); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--bg3); color: var(--text); }
.btn-danger { background: rgba(239,68,68,.1); color: var(--red); border: 1px solid rgba(239,68,68,.2); }
.btn-danger:hover { background: rgba(239,68,68,.2); }
.btn-success { background: rgba(34,197,94,.1); color: var(--green); border: 1px solid rgba(34,197,94,.2); }

/* ── 배지 ── */
.badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 20px;
  letter-spacing: .06em;
  font-weight: 500;
}
.badge-on { background: rgba(34,197,94,.15); color: var(--green); border: 1px solid rgba(34,197,94,.3); }
.badge-off { background: rgba(100,116,139,.15); color: var(--text3); border: 1px solid rgba(100,116,139,.3); }
.badge-warn { background: rgba(245,158,11,.15); color: var(--amber); border: 1px solid rgba(245,158,11,.3); }
.badge-red { background: rgba(239,68,68,.15); color: var(--red); border: 1px solid rgba(239,68,68,.3); }

/* ── 테이블 ── */
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th {
  text-align: left;
  padding: 10px 14px;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--text3);
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  font-weight: 500;
}
.tbl td { padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.tbl tr:last-child td { border-bottom: none; }
.tbl tr:hover td { background: rgba(255,255,255,.02); }

/* ── 알림바 ── */
.alert-bar {
  display: flex;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(201,160,64,.08);
  border: 1px solid rgba(201,160,64,.2);
  border-radius: 4px;
  font-size: 13px;
  color: var(--text2);
  line-height: 1.7;
}
.alert-bar .ic { font-size: 16px; flex-shrink: 0; margin-top: 1px; }

/* ── 프로그레스 ── */
.progress-bar {
  height: 4px;
  background: var(--bg3);
  border-radius: 2px;
  overflow: hidden;
  margin: 12px 0;
}
.progress-fill {
  height: 100%;
  background: var(--gold);
  width: 0%;
  transition: width .4s;
  border-radius: 2px;
}

/* ── 모달 ── */
.modal-bg {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
}
.modal-bg.open { display: flex; }
.modal {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: 8px;
  width: 560px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-head {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-head h3 { font-size: 15px; font-weight: 500; }
.modal-close {
  background: none;
  border: none;
  color: var(--text3);
  font-size: 18px;
  cursor: pointer;
  padding: 2px;
}
.modal-body { padding: 22px; }
.modal-foot {
  padding: 14px 22px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ── 토스트 ── */
#toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text);
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 13px;
  z-index: 9999;
  opacity: 0;
  transition: all .3s;
  white-space: nowrap;
  pointer-events: none;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.success { border-color: rgba(34,197,94,.4); color: var(--green); }
#toast.error { border-color: rgba(239,68,68,.4); color: var(--red); }

/* ── 섹션 아코디언 ── */
.sg-section {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
}
.sg-section-head {
  padding: 14px 18px;
  border-bottom: 1px solid transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}
.sg-section-head.open { border-bottom-color: var(--border); }
.sg-section-head h4 { font-size: 13px; font-weight: 500; }
.toggle-ic { color: var(--text3); font-size: 11px; transition: transform .2s; }
.sg-section-head.open .toggle-ic { transform: rotate(180deg); }
.sg-section-body { padding: 18px; display: none; }
.sg-section-body.open { display: block; }

/* ── 반응형 ── */
@media (max-width: 900px) {
  .sidebar { width: 52px; }
  .sb-logo-name, .sb-logo-sub, .sb-sec, .sb-item span, .sb-logout span { display: none; }
  .sb-item { padding: 12px; justify-content: center; }
  .main { margin-left: 52px; }
  .fg-row, .fg-row3 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .content { padding: 16px; }
  .topbar { padding: 0 16px; }
}