/* ===== CocoFlow MES — Theme (dark enterprise) ===== */
:root {
  --bg: #070b16;
  --bg-2: #0a0f1d;
  --panel: #0f1626;
  --panel-2: #131c2e;
  --panel-hover: #182236;
  --border: #1d2840;
  --border-soft: #16203353;
  --text: #e7ecf5;
  --text-dim: #94a3b8;
  --text-faint: #5b6b85;
  --cyan: #38bdf8;
  --blue: #3b82f6;
  --purple: #8b5cf6;
  --green: #34d399;
  --yellow: #fbbf24;
  --orange: #fb923c;
  --red: #f43f5e;
  --pink: #ec4899;
  --sidebar-w: 256px;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

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

html, body {
  height: 100%;
  background:
    radial-gradient(1200px 600px at 80% -10%, #0d1830 0%, transparent 60%),
    radial-gradient(1000px 500px at -10% 10%, #0c1426 0%, transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: 'Inter', 'Sarabun', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--cyan); text-decoration: none; }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: #1f2c45; border-radius: 6px; }
::-webkit-scrollbar-track { background: transparent; }

/* ===== Layout ===== */
.app { display: flex; min-height: 100vh; }

/* ===== Sidebar ===== */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: linear-gradient(180deg, #0a1120 0%, #080d18 100%);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 30;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  padding: 20px 18px 16px;
}
.brand .logo {
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, #38bdf8, #3b82f6);
  display: grid; place-items: center;
  font-weight: 800; font-size: 16px; color: #03101f;
  box-shadow: 0 6px 18px rgba(56, 189, 248, 0.4);
}
.brand .b-name { font-weight: 700; font-size: 16px; letter-spacing: .2px; }
.brand .b-sub { font-size: 9px; color: var(--text-faint); letter-spacing: 1px; }

.search-box {
  margin: 0 14px 10px;
  display: flex; align-items: center; gap: 8px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 9px 12px;
}
.search-box input {
  background: transparent; border: none; outline: none;
  color: var(--text); width: 100%; font-size: 13px;
}
.search-box input::placeholder { color: var(--text-faint); }

.nav { flex: 1; overflow-y: auto; padding: 4px 10px 24px; }
.nav-group-title {
  font-size: 10px; letter-spacing: 1.4px; color: var(--text-faint);
  text-transform: uppercase; padding: 14px 12px 6px; font-weight: 600;
}
.nav-item {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 12px; border-radius: 9px; cursor: pointer;
  color: var(--text-dim); font-size: 13.5px; position: relative;
  transition: background .12s, color .12s;
}
.nav-item .num { margin-left: auto; font-size: 11px; color: var(--text-faint); }
.nav-item svg { width: 17px; height: 17px; flex-shrink: 0; opacity: .85; }
.nav-item:hover { background: var(--panel); color: var(--text); }
.nav-item.active {
  background: linear-gradient(90deg, rgba(56,189,248,.16), rgba(56,189,248,.04));
  color: #fff;
  box-shadow: inset 2px 0 0 var(--cyan);
}
.nav-item.active svg { opacity: 1; color: var(--cyan); }

/* ===== Main ===== */
.main { flex: 1; margin-left: var(--sidebar-w); min-width: 0; }

.topbar {
  height: 64px; display: flex; align-items: center;
  padding: 0 28px; gap: 16px;
  border-bottom: 1px solid var(--border-soft);
  position: sticky; top: 0; z-index: 20;
  background: rgba(7, 11, 22, 0.82); backdrop-filter: blur(10px);
}
.crumb { color: var(--text-dim); font-size: 14px; display: flex; align-items: center; gap: 8px; }
.crumb .sep { color: var(--text-faint); }
.topbar .spacer { flex: 1; }
.pill-live {
  display: flex; align-items: center; gap: 7px;
  font-size: 12px; color: var(--green);
  background: rgba(52, 211, 153, .1); border: 1px solid rgba(52,211,153,.25);
  padding: 5px 11px; border-radius: 20px;
}
.pill-live .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); animation: pulse 1.6s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }
.icon-btn {
  width: 36px; height: 36px; border-radius: 9px; display: grid; place-items: center;
  color: var(--text-dim); cursor: pointer; border: 1px solid transparent;
}
.icon-btn:hover { background: var(--panel); color: var(--text); }
.user-chip { display: flex; align-items: center; gap: 10px; padding-left: 6px; }
.user-chip .av {
  width: 38px; height: 38px; border-radius: 50%;
  background: linear-gradient(135deg, #38bdf8, #3b82f6);
  display: grid; place-items: center; font-weight: 700; color: #03101f; font-size: 13px;
}
.user-chip .u-name { font-weight: 600; font-size: 13.5px; line-height: 1.2; }
.user-chip .u-role { font-size: 11px; color: var(--text-faint); }

/* ===== Page ===== */
.page { padding: 28px; max-width: 1700px; }
.page-head { display: flex; align-items: flex-end; margin-bottom: 22px; gap: 16px; }
.page-title { font-size: 28px; font-weight: 700; letter-spacing: -.3px; }
.page-desc { color: var(--text-dim); font-size: 14px; margin-top: 4px; }
.page-head .actions { margin-left: auto; display: flex; gap: 10px; }
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 15px; border-radius: 10px; font-size: 13px; font-weight: 600;
  cursor: pointer; border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
}
.btn:hover { background: var(--panel-hover); }
.btn.primary {
  background: linear-gradient(135deg, #38bdf8, #2f74e0); border-color: transparent; color: #02111f;
  box-shadow: 0 6px 18px rgba(56,189,248,.35);
}
.btn svg { width: 15px; height: 15px; }

/* ===== KPI cards ===== */
.kpi-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-bottom: 18px; }
.kpi {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 18px 16px; position: relative; overflow: hidden;
}
.kpi::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; }
.kpi.cyan::before { background: var(--cyan); }
.kpi.green::before { background: var(--green); }
.kpi.yellow::before { background: var(--yellow); }
.kpi.purple::before { background: var(--purple); }
.kpi.blue::before { background: var(--blue); }
.kpi.red::before { background: var(--red); }
.kpi .k-head { display: flex; justify-content: space-between; align-items: flex-start; }
.kpi .k-label { font-size: 11px; letter-spacing: .8px; text-transform: uppercase; color: var(--text-dim); font-weight: 600; }
.kpi .k-icon { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; background: var(--panel-2); }
.kpi .k-icon svg { width: 18px; height: 18px; }
.kpi.cyan .k-icon svg { color: var(--cyan); }
.kpi.green .k-icon svg { color: var(--green); }
.kpi.yellow .k-icon svg { color: var(--yellow); }
.kpi.purple .k-icon svg { color: var(--purple); }
.kpi.blue .k-icon svg { color: var(--blue); }
.kpi.red .k-icon svg { color: var(--red); }
.kpi .k-value { font-size: 30px; font-weight: 700; margin-top: 14px; letter-spacing: -.5px; }
.kpi .k-value .u { font-size: 13px; color: var(--text-dim); font-weight: 500; margin-left: 6px; }
.kpi .k-trend { font-size: 12px; margin-top: 8px; color: var(--text-dim); display: flex; align-items: center; gap: 5px; }
.kpi .k-trend.up { color: var(--green); }
.kpi .k-trend.down { color: var(--red); }

/* ===== Panels / cards ===== */
.grid { display: grid; gap: 16px; }
.cols-2 { grid-template-columns: 1fr 1fr; }
.cols-3 { grid-template-columns: 1.1fr 1.1fr .9fr; }
.cols-12-5 { grid-template-columns: 1.4fr 1fr; }
.panel {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden;
}
.panel-head {
  display: flex; align-items: center; padding: 16px 18px; border-bottom: 1px solid var(--border-soft);
}
.panel-head h3 { font-size: 15px; font-weight: 700; }
.panel-head .tag { margin-left: auto; font-size: 11px; color: var(--text-dim); background: var(--panel-2); padding: 4px 10px; border-radius: 20px; border: 1px solid var(--border); }
.panel-body { padding: 16px 18px; }
.panel-body.flush { padding: 0; }

/* ===== Tables ===== */
.tbl-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
table.tbl thead th {
  text-align: left; padding: 13px 16px; font-size: 11px; letter-spacing: .6px;
  text-transform: uppercase; color: var(--text-faint); font-weight: 600;
  border-bottom: 1px solid var(--border-soft); white-space: nowrap;
}
table.tbl tbody td { padding: 13px 16px; border-bottom: 1px solid var(--border-soft); white-space: nowrap; }
table.tbl tbody tr:hover { background: var(--panel-2); }
table.tbl tbody tr:last-child td { border-bottom: none; }
.t-strong { font-weight: 600; color: #fff; }
.t-sub { font-size: 11.5px; color: var(--text-faint); }
.t-link { color: var(--cyan); font-weight: 600; }
.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ===== Badges ===== */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 600; padding: 4px 10px; border-radius: 20px;
  letter-spacing: .3px; white-space: nowrap;
}
.badge.green { color: var(--green); background: rgba(52,211,153,.12); border: 1px solid rgba(52,211,153,.25); }
.badge.cyan  { color: var(--cyan);  background: rgba(56,189,248,.12); border: 1px solid rgba(56,189,248,.25); }
.badge.blue  { color: var(--blue);  background: rgba(59,130,246,.12); border: 1px solid rgba(59,130,246,.25); }
.badge.purple{ color: var(--purple);background: rgba(139,92,246,.12); border: 1px solid rgba(139,92,246,.25); }
.badge.yellow{ color: var(--yellow);background: rgba(251,191,36,.12); border: 1px solid rgba(251,191,36,.28); }
.badge.orange{ color: var(--orange);background: rgba(251,146,60,.12); border: 1px solid rgba(251,146,60,.28); }
.badge.red   { color: var(--red);   background: rgba(244,63,94,.12);  border: 1px solid rgba(244,63,94,.28); }
.badge.gray  { color: var(--text-dim); background: var(--panel-2); border: 1px solid var(--border); }

/* ===== Progress / bars ===== */
.bar { height: 7px; border-radius: 6px; background: var(--panel-2); overflow: hidden; min-width: 120px; }
.bar > span { display: block; height: 100%; border-radius: 6px; }
.bar > span.green { background: linear-gradient(90deg,#34d399,#10b981); }
.bar > span.cyan { background: linear-gradient(90deg,#38bdf8,#3b82f6); }
.bar > span.yellow { background: linear-gradient(90deg,#fbbf24,#f59e0b); }
.bar > span.red { background: linear-gradient(90deg,#f43f5e,#e11d48); }

/* ===== Line cards ===== */
.line-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.line-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.line-card .lc-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.line-card .lc-name { font-weight: 700; font-size: 15px; }
.line-card .lc-prod { color: var(--text-dim); font-size: 12.5px; margin-bottom: 16px; }
.oee-ring { display: flex; align-items: center; gap: 18px; margin-bottom: 14px; }
.ring { --val: 0; --col: var(--green); width: 92px; height: 92px; border-radius: 50%;
  background: conic-gradient(var(--col) calc(var(--val) * 1%), #1a2438 0);
  display: grid; place-items: center; flex-shrink: 0; }
.ring::after { content: ''; position: absolute; }
.ring .ring-in { width: 70px; height: 70px; border-radius: 50%; background: var(--panel); display: grid; place-items: center; }
.ring .ring-v { font-size: 19px; font-weight: 700; }
.ring .ring-l { font-size: 9px; color: var(--text-faint); }
.oee-metrics { flex: 1; display: grid; gap: 8px; }
.oee-metrics .om { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-dim); }
.oee-metrics .om b { color: var(--text); }
.line-card .lc-foot { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-faint); padding-top: 12px; border-top: 1px solid var(--border-soft); }

/* ===== SCADA tiles ===== */
.scada-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.scada-tile { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.scada-tile.alarm { border-color: rgba(244,63,94,.5); box-shadow: 0 0 0 1px rgba(244,63,94,.2); background: linear-gradient(180deg, rgba(244,63,94,.06), transparent); }
.scada-tile .st-tag { font-size: 10.5px; color: var(--text-faint); letter-spacing: .5px; }
.scada-tile .st-val { font-size: 24px; font-weight: 700; margin: 6px 0 2px; }
.scada-tile .st-val.alarm { color: var(--red); }
.scada-tile .st-val .u { font-size: 12px; color: var(--text-dim); font-weight: 500; margin-left: 4px; }
.scada-tile .st-desc { font-size: 12px; color: var(--text-dim); margin-bottom: 10px; }
.scada-tile .st-foot { display: flex; gap: 8px; }

/* ===== Charts ===== */
.chart-box { position: relative; height: 280px; }
.chart-box.sm { height: 220px; }

/* ===== misc ===== */
.spread { display: flex; justify-content: space-between; align-items: center; }
.muted { color: var(--text-dim); }
.mt { margin-top: 16px; }
.activity-item { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border-soft); }
.activity-item:last-child { border: none; }
.activity-item .ai-dot { width: 30px; height: 30px; border-radius: 8px; background: var(--panel-2); display: grid; place-items: center; flex-shrink: 0; color: var(--cyan); }
.activity-item .ai-txt { font-size: 13px; }
.activity-item .ai-time { font-size: 11px; color: var(--text-faint); margin-top: 2px; }

.loading { padding: 60px; text-align: center; color: var(--text-faint); }

/* ===== Viewer pages (2D P&ID / 3D) ===== */
.viewer-page { height: calc(100vh - 64px); display: flex; flex-direction: column; }
.viewer-bar { display: flex; align-items: center; gap: 12px; padding: 16px 24px; border-bottom: 1px solid var(--border-soft); }
.viewer-bar .vb-title { font-size: 20px; font-weight: 700; }
.viewer-bar .vb-desc { font-size: 12.5px; color: var(--text-dim); }
.viewer-bar .spacer { flex: 1; }
.viewer-bar select { background: var(--panel-2); border: 1px solid var(--border); color: var(--text); border-radius: 10px; padding: 9px 12px; font-size: 13px; outline: none; min-width: 240px; }
.viewer-body { flex: 1; display: grid; grid-template-columns: 280px 1fr 320px; min-height: 0; }
.viewer-panel { border-right: 1px solid var(--border-soft); overflow-y: auto; background: var(--bg-2); }
.viewer-panel.right { border-right: none; border-left: 1px solid var(--border-soft); }
.vp-title { font-size: 11px; letter-spacing: 1px; text-transform: uppercase; color: var(--text-faint); font-weight: 600; padding: 16px 16px 8px; }
.dwg-item { display: flex; align-items: center; gap: 9px; padding: 9px 16px; font-size: 12.5px; color: var(--text-dim); cursor: pointer; }
.dwg-item svg { width: 14px; height: 14px; }
.dwg-item:hover { background: var(--panel); color: var(--text); }
.dwg-item.active { background: rgba(56,189,248,.12); color: #fff; box-shadow: inset 2px 0 0 var(--cyan); }
.layer-item { display: flex; align-items: center; gap: 9px; padding: 7px 16px; font-size: 12.5px; color: var(--text-dim); cursor: pointer; }
.layer-item:hover { color: var(--text); }
.layer-item input { accent-color: var(--cyan); }
.layer-item .dot { width: 9px; height: 9px; border-radius: 2px; }
.tag-item { display: flex; align-items: center; gap: 8px; padding: 6px 16px; font-size: 12px; color: var(--text-dim); cursor: pointer; }
.tag-item:hover { background: var(--panel); color: var(--text); }
.tag-item .tt { margin-left: auto; font-size: 10.5px; color: var(--text-faint); }

.viewer-stage { position: relative; background: #060912; overflow: hidden; }
.stage-chips { position: absolute; top: 14px; left: 14px; display: flex; gap: 8px; z-index: 5; flex-wrap: wrap; }
.stage-chip { font-size: 11px; background: rgba(15,22,38,.85); border: 1px solid var(--border); color: var(--text-dim); padding: 5px 11px; border-radius: 7px; }
.stage-tools { position: absolute; top: 14px; right: 14px; display: flex; flex-direction: column; gap: 6px; z-index: 5; background: rgba(15,22,38,.85); border: 1px solid var(--border); border-radius: 10px; padding: 6px; }
.stage-tools button { width: 32px; height: 32px; border-radius: 7px; border: none; background: transparent; color: var(--text-dim); cursor: pointer; display: grid; place-items: center; }
.stage-tools button:hover, .stage-tools button.active { background: var(--panel-hover); color: var(--cyan); }
.stage-tools button svg { width: 16px; height: 16px; }
.stage-status { position: absolute; bottom: 0; left: 0; right: 0; display: flex; justify-content: space-between; padding: 8px 16px; font-size: 11px; color: var(--text-faint); background: rgba(6,9,18,.8); border-top: 1px solid var(--border-soft); }
#pidSvg { width: 100%; height: 100%; }
#pidSvg .node { cursor: pointer; }
#pidSvg .node:hover rect, #pidSvg .node:hover circle, #pidSvg .node:hover ellipse { filter: brightness(1.3); }
#pidSvg .node.sel rect, #pidSvg .node.sel circle, #pidSvg .node.sel ellipse { stroke: var(--cyan); stroke-width: 2.5; }

.prop-row { display: flex; justify-content: space-between; padding: 11px 16px; font-size: 13px; border-bottom: 1px solid var(--border-soft); }
.prop-row .pl { color: var(--text-dim); }
.prop-row .pv { color: var(--text); font-weight: 600; text-align: right; }
.prop-head { padding: 16px; border-bottom: 1px solid var(--border-soft); }
.prop-head .ph-tag { font-size: 20px; font-weight: 700; }
.prop-head .ph-name { font-size: 12.5px; color: var(--text-dim); margin-top: 2px; }
.prop-actions { padding: 16px; display: flex; gap: 8px; flex-wrap: wrap; }
.prop-empty { padding: 40px 20px; text-align: center; color: var(--text-faint); font-size: 13px; }

@media (max-width: 1100px) {
  .cols-2, .cols-3, .cols-12-5 { grid-template-columns: 1fr; }
  .viewer-body { grid-template-columns: 1fr; }
  .viewer-panel { display: none; }
}
@media (max-width: 820px) {
  .sidebar { transform: translateX(-100%); transition: transform .2s; }
  .sidebar.open { transform: none; }
  .main { margin-left: 0; }
}

/* ===== Product catalog cards ===== */
.prod-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(232px, 1fr)); }
.prod-card { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 16px; position: relative; overflow: hidden; transition: transform .12s, border-color .12s, box-shadow .12s; }
.prod-card:hover { transform: translateY(-3px); border-color: #2b3a59; box-shadow: var(--shadow); }
.prod-card::before { content: ''; position: absolute; left: 0; top: 0; right: 0; height: 3px; }
.prod-card.pc-water::before { background: linear-gradient(90deg, #34d399, #10b981); }
.prod-card.pc-milk::before { background: linear-gradient(90deg, #38bdf8, #3b82f6); }
.pc-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.pc-fmt { font-size: 11px; font-weight: 700; letter-spacing: .5px; color: var(--text); background: var(--panel-2); border: 1px solid var(--border); padding: 4px 10px; border-radius: 7px; }
.pc-body { margin-bottom: 13px; }
.pc-size { font-size: 30px; font-weight: 800; letter-spacing: -1px; line-height: 1; }
.pc-size span { font-size: 13px; color: var(--text-dim); font-weight: 500; margin-left: 3px; }
.pc-name { font-weight: 700; font-size: 14px; margin-top: 8px; }
.pc-sub { font-size: 12px; color: var(--text-dim); margin-top: 2px; }
.pc-tags { display: flex; gap: 6px; margin-bottom: 12px; }
.pc-foot { display: flex; justify-content: space-between; align-items: center; font-size: 12.5px; padding-top: 11px; border-top: 1px solid var(--border-soft); }
.pc-line { font-size: 10.5px; color: var(--text-faint); margin-top: 8px; letter-spacing: .3px; }