/* ============================================================
   Compressed Air Management System — Prototype styles
   Design tokens ยึดตาม hot-water-monitor (dark theme) เพื่อความสอดคล้อง
   ============================================================ */
:root{
  --bg:#0f172a; --panel:#1e293b; --panel-2:#243244; --border:#334155;
  --text:#e2e8f0; --muted:#94a3b8;
  --blue:#38bdf8; --blue-dim:rgba(56,189,248,.15);
  --ok:#22c55e; --warn:#eab308; --bad:#ef4444; --none:#94a3b8;
  --info:#60a5fa; --critical:#f97316; --estop:#dc2626;
  --sidebar-w:248px; --topbar-h:60px;
  --radius:12px; --radius-sm:8px;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg); color:var(--text);
  font-family:"Noto Sans Thai","Noto Sans JP",-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;
  font-size:14px; line-height:1.5; -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit; text-decoration:none;}
button{font-family:inherit; cursor:pointer;}
ul{list-style:none; margin:0; padding:0;}

/* ---------- App shell / layout ---------- */
.app-shell{display:flex; min-height:100vh; width:100%;}

.sidebar{
  position:fixed; top:0; left:0; bottom:0; width:var(--sidebar-w);
  background:var(--panel); border-right:1px solid var(--border);
  overflow-y:auto; z-index:60; transition:transform .22s ease;
}
.sidebar-brand{
  display:flex; align-items:center; gap:10px; padding:18px 16px;
  border-bottom:1px solid var(--border);
}
.sidebar-brand .logo{
  width:34px; height:34px; border-radius:9px; background:var(--blue-dim);
  display:flex; align-items:center; justify-content:center; color:var(--blue); flex:none;
}
.sidebar-brand .brand-text .title{font-weight:700; font-size:13.5px; color:var(--text); white-space:nowrap;}
.sidebar-brand .brand-text .subtitle{font-size:11px; color:var(--muted); white-space:nowrap;}

.nav-group{padding:14px 10px 4px;}
.nav-group-label{
  font-size:10.5px; text-transform:uppercase; letter-spacing:.06em; color:var(--muted);
  padding:6px 10px; font-weight:600;
}
.nav-item{
  display:flex; align-items:center; gap:10px; padding:9px 10px; margin:1px 4px;
  border-radius:var(--radius-sm); color:var(--muted); font-size:13.5px; font-weight:500;
  white-space:nowrap;
}
.nav-item svg{flex:none; width:17px; height:17px;}
.nav-item:hover{background:var(--panel-2); color:var(--text);}
.nav-item.active{background:var(--blue-dim); color:var(--blue);}
.nav-item .soon-tag{
  margin-left:auto; font-size:9.5px; background:var(--panel-2); color:var(--muted);
  padding:1px 6px; border-radius:999px; border:1px solid var(--border);
}

.sidebar-overlay{
  display:none; position:fixed; inset:0; background:rgba(2,6,15,.55); z-index:55;
}
.sidebar-overlay.show{display:block;}

.main{margin-left:var(--sidebar-w); flex:1; min-width:0; width:100%;}

.topbar{
  position:sticky; top:0; z-index:40; height:var(--topbar-h);
  background:rgba(15,23,42,.92); backdrop-filter:blur(6px);
  border-bottom:1px solid var(--border);
  display:flex; align-items:center; justify-content:space-between;
  padding:0 20px; gap:12px;
}
.topbar-left{display:flex; align-items:center; gap:12px; min-width:0;}
.hamburger{
  display:none; width:36px; height:36px; align-items:center; justify-content:center;
  border-radius:var(--radius-sm); border:1px solid var(--border); background:var(--panel);
  color:var(--text); flex:none;
}
.page-title{font-size:16px; font-weight:700; white-space:nowrap; overflow:hidden; text-overflow:ellipsis;}
.page-title .zh{font-size:11.5px; color:var(--muted); font-weight:400; display:block; margin-top:1px;}

.topbar-right{display:flex; align-items:center; gap:8px; flex:none;}
.toggle-group{
  display:flex; background:var(--panel); border:1px solid var(--border); border-radius:999px; padding:2px;
}
.toggle-group button{
  border:none; background:transparent; color:var(--muted); font-size:12px; font-weight:600;
  padding:5px 11px; border-radius:999px;
}
.toggle-group button.active{background:var(--blue); color:#04141f;}

.conn-chip{
  display:flex; align-items:center; gap:6px; font-size:11.5px; padding:5px 10px;
  border-radius:999px; background:rgba(34,197,94,.15); color:var(--ok); white-space:nowrap;
}
.conn-chip .dot{width:6px; height:6px; border-radius:50%; background:var(--ok);}

.content{padding:20px; max-width:1400px; margin:0 auto; width:100%;}

.mock-banner{
  display:flex; align-items:center; gap:10px; background:rgba(234,179,8,.12);
  border:1px solid rgba(234,179,8,.35); color:#facc15; padding:10px 14px;
  border-radius:var(--radius-sm); font-size:12.5px; margin-bottom:16px;
}

/* ---------- Cards / panels ---------- */
.panel{
  background:var(--panel); border:1px solid var(--border); border-radius:var(--radius);
  padding:16px 18px; margin-bottom:16px;
}
.panel h2, .panel-title{
  font-size:13px; margin:0 0 12px; color:var(--muted); text-transform:uppercase; letter-spacing:.03em; font-weight:600;
}
.panel-head{display:flex; align-items:center; justify-content:space-between; margin-bottom:12px; flex-wrap:wrap; gap:8px;}
.panel-head h2{margin:0;}

.status-banner{
  display:flex; align-items:center; gap:14px; padding:16px 18px; border-radius:var(--radius);
  margin-bottom:16px; border:1px solid var(--border);
}
.status-banner .dot-big{width:14px; height:14px; border-radius:50%; flex:none;}
.status-banner.ok{background:rgba(34,197,94,.1); border-color:rgba(34,197,94,.35);}
.status-banner.warn{background:rgba(234,179,8,.1); border-color:rgba(234,179,8,.35);}
.status-banner.bad{background:rgba(239,68,68,.1); border-color:rgba(239,68,68,.35);}
.status-banner.none{background:rgba(148,163,184,.1); border-color:rgba(148,163,184,.35);}
.status-banner .dot-big.ok{background:var(--ok); box-shadow:0 0 0 5px rgba(34,197,94,.15);}
.status-banner .dot-big.warn{background:var(--warn); box-shadow:0 0 0 5px rgba(234,179,8,.15);}
.status-banner .dot-big.bad{background:var(--bad); box-shadow:0 0 0 5px rgba(239,68,68,.15);}
.status-banner .dot-big.none{background:var(--none); box-shadow:0 0 0 5px rgba(148,163,184,.15);}
.status-banner .status-label{font-size:15px; font-weight:700;}
.status-banner .status-meta{font-size:12px; color:var(--muted); margin-top:2px;}
.status-banner .meta-right{margin-left:auto; text-align:right; font-size:12px; color:var(--muted);}
.status-banner .meta-right b{color:var(--text); font-weight:600;}

.kpi-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(168px,1fr)); gap:12px; margin-bottom:16px;}
.kpi-card{
  background:var(--panel); border:1px solid var(--border); border-radius:var(--radius);
  padding:14px 16px; position:relative;
}
.kpi-card .kpi-icon{
  width:30px; height:30px; border-radius:8px; background:var(--blue-dim); color:var(--blue);
  display:flex; align-items:center; justify-content:center; margin-bottom:8px;
}
.kpi-card .kpi-label{font-size:11.5px; color:var(--muted); margin-bottom:4px;}
.kpi-card .kpi-value{font-size:22px; font-weight:700;}
.kpi-card .kpi-value .unit{font-size:12px; color:var(--muted); font-weight:400; margin-left:2px;}
.kpi-card .kpi-sub{font-size:11px; color:var(--muted); margin-top:4px;}
.kpi-card.badge-ok{border-color:rgba(34,197,94,.4);}
.kpi-card.badge-warn{border-color:rgba(234,179,8,.4);}
.kpi-card.badge-bad{border-color:rgba(239,68,68,.4);}

.compressor-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:14px; margin-bottom:16px;}
.compressor-card{background:var(--panel); border:1px solid var(--border); border-radius:var(--radius); padding:16px;}
.compressor-card .cc-head{display:flex; align-items:center; justify-content:space-between; margin-bottom:10px;}
.compressor-card .cc-name{font-weight:700; font-size:14.5px;}
.compressor-card .cc-model{font-size:11px; color:var(--muted);}
.compressor-card .cc-metrics{display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-top:10px;}
.compressor-card .metric .m-label{font-size:10.5px; color:var(--muted);}
.compressor-card .metric .m-value{font-size:15px; font-weight:600;}

.charts-grid{display:grid; grid-template-columns:2fr 1fr; gap:14px;}
.charts-grid .panel{margin-bottom:0;}
@media (max-width:1100px){.charts-grid{grid-template-columns:1fr;}}
.chart-wrap{position:relative; height:260px;}
.chart-note{font-size:11px; color:var(--muted); margin-top:8px; border-top:1px dashed var(--border); padding-top:8px;}

.alarm-mini-list{display:flex; flex-direction:column; gap:8px;}
.alarm-mini{
  display:flex; align-items:center; gap:10px; padding:9px 10px; border-radius:var(--radius-sm);
  background:var(--panel-2); border:1px solid var(--border); font-size:12.5px;
}
.alarm-mini .sev-dot{width:8px; height:8px; border-radius:50%; flex:none;}
.alarm-mini .am-main{min-width:0; flex:1;}
.alarm-mini .am-title{font-weight:600; white-space:nowrap; overflow:hidden; text-overflow:ellipsis;}
.alarm-mini .am-meta{color:var(--muted); font-size:11px;}
.empty-note{color:var(--muted); font-size:12.5px; padding:14px 0; text-align:center;}

/* ---------- Badges ---------- */
.badge{display:inline-flex; align-items:center; gap:5px; padding:3px 10px; border-radius:999px; font-size:11.5px; font-weight:600; white-space:nowrap;}
.badge .dot{width:6px; height:6px; border-radius:50%;}
.badge.ok{background:rgba(34,197,94,.15); color:var(--ok);} .badge.ok .dot{background:var(--ok);}
.badge.warn{background:rgba(234,179,8,.15); color:var(--warn);} .badge.warn .dot{background:var(--warn);}
.badge.bad{background:rgba(239,68,68,.15); color:var(--bad);} .badge.bad .dot{background:var(--bad);}
.badge.none{background:rgba(148,163,184,.15); color:var(--muted);} .badge.none .dot{background:var(--muted);}
.badge.info{background:rgba(96,165,250,.15); color:var(--info);} .badge.info .dot{background:var(--info);}
.badge.critical{background:rgba(249,115,22,.15); color:var(--critical);} .badge.critical .dot{background:var(--critical);}
.badge.estop{background:rgba(220,38,38,.18); color:#f87171;} .badge.estop .dot{background:#f87171;}

/* ---------- Tables ---------- */
.table-toolbar{display:flex; flex-wrap:wrap; gap:8px; align-items:center; margin-bottom:12px;}
.table-toolbar input[type="text"], .table-toolbar input[type="date"], .table-toolbar select{
  background:var(--panel-2); border:1px solid var(--border); color:var(--text);
  border-radius:var(--radius-sm); padding:8px 10px; font-size:12.5px; min-width:0;
}
.table-toolbar .grow{flex:1; min-width:160px;}
.table-scroll{overflow-x:auto; border:1px solid var(--border); border-radius:var(--radius-sm);}
table{width:100%; border-collapse:collapse; font-size:12.5px; min-width:640px;}
thead th{
  position:sticky; top:0; background:var(--panel-2); color:var(--muted); font-weight:600;
  font-size:11px; text-transform:uppercase; letter-spacing:.02em; text-align:left; padding:10px 12px;
  border-bottom:1px solid var(--border); cursor:pointer; white-space:nowrap;
}
thead th .sort-caret{opacity:.4; margin-left:4px;}
tbody td{padding:9px 12px; border-bottom:1px solid var(--border); color:var(--text); white-space:nowrap;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:rgba(148,163,184,.06); cursor:pointer;}
.row-link{color:var(--blue); font-weight:600;}

/* ---------- Forms ---------- */
.form-section{border:1px solid var(--border); border-radius:var(--radius); padding:16px; margin-bottom:14px; background:var(--panel-2);}
.form-section h3{font-size:12.5px; margin:0 0 12px; color:var(--blue); text-transform:uppercase; letter-spacing:.03em;}
.form-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:12px;}
.field{display:flex; flex-direction:column; gap:5px; margin-bottom:2px;}
.field label{font-size:12px; color:var(--muted);}
.field .req{color:var(--bad);}
.field input, .field select, .field textarea{
  background:var(--panel); border:1px solid var(--border); color:var(--text);
  border-radius:var(--radius-sm); padding:9px 10px; font-size:13px; width:100%; font-family:inherit;
}
.field textarea{resize:vertical; min-height:64px;}
.field-inline-radio{display:flex; gap:14px; flex-wrap:wrap;}
.field-inline-radio label{display:flex; align-items:center; gap:6px; font-size:12.5px; color:var(--text); font-weight:400;}
.checklist-row{
  display:grid; grid-template-columns:1.6fr 1.2fr; gap:12px; align-items:center;
  padding:10px 4px; border-bottom:1px solid var(--border);
}
.checklist-row:last-child{border-bottom:none;}
.checklist-row .cl-label{font-size:13px;}
.checklist-row .cl-label .zh{display:block; font-size:10.5px; color:var(--muted);}
@media (max-width:700px){.checklist-row{grid-template-columns:1fr; gap:6px;}}

.file-chip{
  display:inline-flex; align-items:center; gap:6px; background:var(--panel); border:1px solid var(--border);
  padding:5px 10px; border-radius:999px; font-size:11.5px; color:var(--muted); margin-top:6px;
}
.tabs{display:flex; gap:6px; margin-bottom:14px; border-bottom:1px solid var(--border); flex-wrap:wrap;}
.tab-btn{
  padding:9px 16px; font-size:13px; font-weight:600; color:var(--muted); background:transparent; border:none;
  border-bottom:2px solid transparent; margin-bottom:-1px;
}
.tab-btn.active{color:var(--blue); border-bottom-color:var(--blue);}

.btn-row{display:flex; gap:10px; flex-wrap:wrap; margin-top:14px;}
button.btn{
  background:var(--blue); color:#04141f; border:none; border-radius:var(--radius-sm);
  padding:10px 18px; font-weight:700; font-size:13px;
}
button.btn.secondary{background:transparent; border:1px solid var(--border); color:var(--text);}
button.btn.ghost{background:transparent; border:1px solid var(--border); color:var(--muted);}
button.btn.danger{background:transparent; border:1px solid var(--bad); color:var(--bad);}
button.btn:disabled{opacity:.5; cursor:not-allowed;}
button.btn.sm{padding:6px 12px; font-size:12px;}

/* ---------- Modal / toast ---------- */
.modal-overlay{
  position:fixed; inset:0; background:rgba(2,6,15,.6); display:none; align-items:center; justify-content:center;
  z-index:100; padding:16px;
}
.modal-overlay.show{display:flex;}
.modal{
  background:var(--panel); border:1px solid var(--border); border-radius:var(--radius);
  width:100%; max-width:560px; max-height:88vh; overflow-y:auto; padding:20px;
}
.modal h3{margin:0 0 4px; font-size:15px;}
.modal .modal-sub{font-size:12px; color:var(--muted); margin-bottom:16px;}
.modal-close{float:right; background:transparent; border:none; color:var(--muted); font-size:18px;}
.detail-grid{display:grid; grid-template-columns:1fr 1fr; gap:10px 16px; font-size:12.5px; margin-bottom:6px;}
.detail-grid .d-label{color:var(--muted); font-size:11px;}
.detail-grid .d-value{font-weight:600;}
.detail-grid.full{grid-template-columns:1fr;}

.toast-wrap{position:fixed; bottom:20px; right:20px; z-index:200; display:flex; flex-direction:column; gap:8px;}
.toast{
  background:var(--panel); border:1px solid var(--ok); color:var(--text); padding:12px 16px;
  border-radius:var(--radius-sm); font-size:13px; box-shadow:0 8px 24px rgba(0,0,0,.35);
  display:flex; align-items:center; gap:8px; min-width:220px; animation:slideIn .2s ease;
}
.toast.error{border-color:var(--bad);}
@keyframes slideIn{from{transform:translateY(8px); opacity:0;} to{transform:translateY(0); opacity:1;}}

/* ---------- Placeholder pages ---------- */
.placeholder-box{
  border:1.5px dashed var(--border); border-radius:var(--radius); padding:40px 20px; text-align:center; color:var(--muted);
}
.placeholder-box .ph-icon{color:var(--blue); margin-bottom:10px;}
.placeholder-box h3{color:var(--text); margin:0 0 6px;}
.planned-fields{display:flex; flex-wrap:wrap; gap:8px; justify-content:center; margin-top:16px;}
.planned-fields span{background:var(--panel-2); border:1px solid var(--border); padding:5px 10px; border-radius:999px; font-size:11.5px;}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .sidebar{transform:translateX(-100%);}
  .sidebar.open{transform:translateX(0);}
  .main{margin-left:0;}
  .hamburger{display:flex;}
  .content{padding:14px;}
  .detail-grid{grid-template-columns:1fr;}
}
@media (max-width:560px){
  .conn-chip span.txt{display:none;}
  .page-title{font-size:14px;}
  .kpi-card .kpi-value{font-size:19px;}
}