/* 옥천 HEW 대시보드 — 산업현장 다크톤. 순수 CSS, 외부 의존 0. */

:root {
  --bg: #14171c;
  --bg-card: #1c2028;
  --bg-elevated: #232833;
  --border: #2d3340;
  --text: #e6e9ef;
  --text-dim: #8b93a3;
  --accent: #3b82f6;
  --ok: #22c55e;
  --warn: #f59e0b;
  --danger: #ef4444;
  --highlight: #f59e0b33;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Malgun Gothic", -apple-system, sans-serif;
  font-size: 14px;
}

.hidden { display: none !important; }

h1, h2 { margin: 0; font-weight: 600; }

/* ---------------- 로그인 ---------------- */
.login-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.login-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 36px;
  width: 320px;
  text-align: center;
}

.login-box h1 { font-size: 20px; margin-bottom: 8px; }
.login-desc { color: var(--text-dim); font-size: 13px; margin-bottom: 20px; }

.login-box input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 14px;
  margin-bottom: 12px;
}

.login-box button {
  width: 100%;
  padding: 10px 12px;
  border-radius: 6px;
  border: none;
  background: var(--accent);
  color: white;
  font-size: 14px;
  cursor: pointer;
}

.login-box button:hover { opacity: 0.9; }

.login-error { color: var(--danger); font-size: 12px; margin-top: 10px; }

/* ---------------- 레이아웃 ---------------- */
.app {
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* 고정 영역: tab-panel 내용에 밀려 압축되지 않도록 shrink 금지 */
.app > .topbar,
.app > .source-legend,
.app > .kpi-strip,
.app > .tabs {
  flex: 0 0 auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

.topbar h1 { font-size: 18px; }

.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-dim);
}

.device-label { color: var(--text-dim); }

#device-select {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 13px;
}

.logout-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
}

.logout-btn:hover { color: var(--text); border-color: var(--accent); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  grid-auto-rows: 1fr;
  gap: 16px;
  padding: 20px 24px;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.card > h2 { flex: 0 0 auto; }

.card h2 {
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.card-daq { grid-column: 1 / -1; }

/* ---------------- 수집기 상태 ---------------- */
.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.status-tile {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
}

.status-tile .status-name { font-weight: 600; margin-bottom: 6px; }

.status-tile .status-row {
  display: flex;
  justify-content: space-between;
  font-size: 12.5px;
  color: var(--text-dim);
  margin-top: 4px;
}

.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; }
.dot-ok { background: var(--ok); }
.dot-warn { background: var(--warn); }
.dot-danger { background: var(--danger); }

/* ---------------- 테이블 ---------------- */
.table-scroll { overflow-x: auto; overflow-y: auto; flex: 1 1 auto; min-height: 0; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  position: sticky;
  top: 0;
  background: var(--bg-elevated);
  text-align: left;
  padding: 8px 10px;
  color: var(--text-dim);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.data-table tr.row-highlight td {
  background: var(--highlight);
  transition: background-color 2.5s ease-out;
}

/* ---------------- 불가동 플레이스홀더 ---------------- */
.placeholder-box {
  text-align: center;
  color: var(--text-dim);
  padding: 20px 10px;
}

.skeleton-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.skeleton-tile {
  height: 60px;
  border-radius: 8px;
  background: linear-gradient(90deg, var(--bg-elevated) 25%, #2a3040 37%, var(--bg-elevated) 63%);
  background-size: 400% 100%;
  animation: shimmer 2.2s ease-in-out infinite;
}

@keyframes shimmer {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; padding: 14px; }
  .topbar { flex-direction: column; align-items: flex-start; gap: 10px; }
  .topbar-right { flex-wrap: wrap; }
}

/* =====================================================================
 * 자율제조 플랫폼 확장분 (탭/뱃지/KPI스트립/자작 SVG 차트)
 * ===================================================================== */

/* ---------------- 소스 뱃지 ---------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  margin-left: 8px;
  vertical-align: middle;
  white-space: nowrap;
}

.badge-live { color: var(--ok); border-color: #22c55e55; background: #22c55e14; }
.badge-demo { color: var(--warn); border-color: #f59e0b55; background: #f59e0b14; }
.badge-mixed { color: #fb923c; border-color: #fb923c55; background: #fb923c14; }

.mini-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 5px; }
.dot-live { background: var(--ok); }
.dot-demo { background: var(--warn); }

/* ---------------- 상단 범례 ---------------- */
.source-legend {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 24px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  flex-wrap: wrap;
}

.legend-title { color: var(--text-dim); margin-right: 4px; }

/* ---------------- KPI 스트립 ---------------- */
.kpi-strip {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px 18px;
}

.kpi-strip-header {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.kpi-strip-header h2 {
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

.kpi-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}

.kpi-tile {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}

.kpi-tile .kpi-label {
  font-size: 11.5px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  margin-bottom: 4px;
}

.kpi-tile .kpi-value {
  font-size: 20px;
  font-weight: 600;
}

/* ---------------- 탭 네비게이션 ---------------- */
.tabs {
  display: flex;
  gap: 4px;
  padding: 10px 24px 0;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}

.tab-btn {
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  color: var(--text-dim);
  padding: 10px 16px;
  font-size: 13px;
  border-radius: 8px 8px 0 0;
  cursor: pointer;
  white-space: nowrap;
}

.tab-btn:hover { color: var(--text); }

.tab-btn.active {
  color: var(--text);
  background: var(--bg);
  border-color: var(--border);
  font-weight: 600;
}

.tab-panel { display: none; }
.tab-panel.active { display: flex; flex-direction: column; flex: 1 1 auto; min-height: 0; overflow: hidden; }

/* ---------------- 위젯 공용 ---------------- */
.widget-note {
  font-size: 12px;
  color: var(--text-dim);
  margin: -4px 0 12px;
}

.widget-note-refonly {
  color: #fb923c;
}

.kv-list { display: flex; flex-direction: column; gap: 6px; }

.kv-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 4px 0;
  border-bottom: 1px dashed var(--border);
}

.kv-row span:first-child { color: var(--text-dim); }

.overview-desc {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
}

.tile-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tile-row-wrap { flex-wrap: wrap; }

.state-tile {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  min-width: 120px;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.state-tile:hover { border-color: var(--accent); }

.state-tile .state-tile-name { font-weight: 600; margin-bottom: 4px; font-size: 13px; }
.state-tile .state-tile-state { font-size: 12px; color: var(--text-dim); }

.state-tile.state-run .state-tile-state { color: var(--ok); }
.state-tile.state-down .state-tile-state { color: var(--danger); }
.state-tile.state-wait .state-tile-state { color: var(--warn); }

/* ---------------- 게이지 ---------------- */
.gauge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.gauge-box { text-align: center; }

.gauge-label { font-size: 12px; color: var(--text-dim); margin-top: 6px; }
.gauge-value { font-size: 18px; font-weight: 600; }

/* ---------------- 자작 SVG 차트 ---------------- */
.line-chart, .gantt-chart {
  width: 100%;
  height: 120px;
  display: block;
}

.gantt-chart { height: 220px; }

.daq-charts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.daq-chart-box { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.daq-chart-title { font-size: 12px; color: var(--text-dim); margin-bottom: 6px; }

.defect-stats-body {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.defect-donut-wrap { position: relative; width: 160px; height: 160px; flex: none; }
.donut-chart { width: 160px; height: 160px; }

.donut-center {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  pointer-events: none;
}

/* ---------------- 불가동 상세 모달 ---------------- */
.tile-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.tile-modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  width: 320px;
  position: relative;
}

.tile-modal-box h3 { font-size: 15px; margin-bottom: 14px; }

.tile-modal-close {
  position: absolute;
  top: 10px;
  right: 12px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 18px;
  cursor: pointer;
}

.tile-modal-close:hover { color: var(--text); }

@media (max-width: 900px) {
  .source-legend { padding: 8px 14px; }
  .kpi-strip { padding: 12px 14px 16px; }
  .tabs { padding: 10px 14px 0; }
}