:root{
  --bg-page:#F5F7FA;
  --bg-card:#FFFFFF;
  --bg-sidebar:#101C2C;
  --bg-sidebar-active:#203448;
  --bg-sidebar-hover:#182636;
  --text-primary:#172B3A;
  --text-secondary:#526477;
  --text-sidebar:#A8B7C7;
  --text-sidebar-active:#FFFFFF;
  --border:#E1E7EE;
  --border-strong:#D0D8E2;
  --primary:#087F68;
  --primary-hover:#066653;
  --primary-soft:#E7F5EF;
  --chart-blue:#326FE3;
  --chart-purple:#8064CF;
  --warning-text:#946000;
  --warning-bg:#FFF4D8;
  --critical-text:#B42318;
  --critical-bg:#FEECEB;
  --neutral-bg:#EDF1F5;
  --success-text:#087F68;
  --success-bg:#E7F5EF;
  --shadow:0 1px 2px rgba(23,43,58,.04),0 4px 12px rgba(23,43,58,.04);
  --radius:12px;
  --radius-sm:8px;
  --sidebar-w:240px;
  --topbar-h:56px;
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --safe-b:env(safe-area-inset-bottom,0px);
  --content-max:1280px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  min-height:100vh;
  color:var(--text-primary);
  font:15px/1.5 var(--font);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
.tabular{font-variant-numeric:tabular-nums}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.app-shell{min-height:100vh;display:flex;background:var(--bg-page)}
.app-sidebar{
  width:var(--sidebar-w);flex-shrink:0;background:var(--bg-sidebar);color:var(--text-sidebar);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;z-index:40;
}
.sidebar-brand{
  display:flex;align-items:center;gap:12px;padding:20px 20px 16px;color:#fff;text-decoration:none;
  font-weight:600;font-size:15px;border-bottom:1px solid rgba(255,255,255,.06);
}
.sidebar-brand:hover{text-decoration:none;color:#fff}
.brand-mark{width:32px;height:32px;border-radius:8px;flex-shrink:0;background:var(--primary);display:grid;place-items:center}
.brand-mark svg{width:18px;height:18px;color:#fff}
.sidebar-company{padding:14px 20px 8px;font-size:12px;line-height:1.4;color:var(--text-sidebar)}
.sidebar-company strong{display:block;color:#E8EEF4;font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-nav{display:flex;flex-direction:column;gap:2px;padding:8px 12px;flex:1;overflow:auto}
.sidebar-nav a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;
  color:var(--text-sidebar);text-decoration:none;font-size:14px;font-weight:500;
}
.sidebar-nav a svg{width:18px;height:18px;flex-shrink:0;opacity:.85}
.sidebar-nav a:hover{background:var(--bg-sidebar-hover);color:#fff;text-decoration:none}
.sidebar-nav a.active{background:var(--bg-sidebar-active);color:var(--text-sidebar-active)}
.sidebar-section{margin-top:16px;padding:8px 12px 4px;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:rgba(168,183,199,.7)}
.sidebar-footer{padding:12px 16px 16px;border-top:1px solid rgba(255,255,255,.06);font-size:12px;color:rgba(168,183,199,.75)}

.app-frame{flex:1;min-width:0;display:flex;flex-direction:column;min-height:100vh}
.app-topbar{
  height:var(--topbar-h);display:flex;align-items:center;gap:16px;padding:0 28px;
  background:var(--bg-card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:30;
}
.topbar-title{font-size:14px;font-weight:600;color:var(--text-primary);margin:0}
.topbar-meta{margin-left:auto;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-secondary)}
.user-menu{display:flex;align-items:center;gap:10px}
.user-menu .user-name{font-weight:500;color:var(--text-primary);font-size:13px}
.nav-toggle{
  display:none;width:40px;height:40px;padding:0;border:1px solid var(--border);border-radius:8px;
  background:#fff;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--text-primary)}
.nav-backdrop{display:none}
.app-main{flex:1;width:100%;max-width:var(--content-max);margin:0 auto;padding:28px 28px 48px}
.app-main.guest{max-width:440px;padding-top:10vh}
.app-footer{padding:16px 28px calc(16px + var(--safe-b));text-align:center;color:var(--text-secondary);font-size:12px;border-top:1px solid var(--border)}

h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.02em;color:var(--text-primary)}
h1{font-size:clamp(1.6rem,2.2vw,1.9rem);line-height:1.2}
h2{font-size:1.15rem;line-height:1.3}
h3{font-size:1rem}
.page-lead{color:var(--text-secondary);font-size:14px;margin:8px 0 0;max-width:40rem}
.page-hero{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px}
.page-hero-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.current-pill{
  display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;letter-spacing:.04em;
  text-transform:uppercase;color:var(--primary);background:var(--primary-soft);padding:4px 8px;border-radius:6px;
}

.panel,.metric-card,.stat{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);
}
.panel{padding:20px;margin-bottom:16px}
.panel-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px}
.panel-header h2{margin:0}
.panel-header p{margin:4px 0 0;font-size:13px;color:var(--text-secondary)}

.metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:16px}
.metric-card{padding:16px 18px;margin:0}
.metric-card .metric-label{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px;font-weight:600;color:var(--text-secondary)}
.metric-card .metric-value{display:block;font-size:clamp(1.5rem,2vw,1.85rem);font-weight:650;letter-spacing:-.03em;margin:8px 0 4px;font-variant-numeric:tabular-nums;line-height:1.15}
.metric-card .metric-unit{font-size:14px;font-weight:500;color:var(--text-secondary);margin-left:4px}
.metric-card .metric-hint{font-size:12px;color:var(--text-secondary);margin:0;line-height:1.4}
.metric-card.warn .metric-value{color:var(--warning-text)}
.metric-card.critical .metric-value{color:var(--critical-text)}

.chart-row{display:grid;grid-template-columns:2fr 1fr;gap:12px;margin-bottom:16px}
.chart-row-secondary{display:grid;grid-template-columns:1.2fr 1fr;gap:12px;margin-bottom:16px}
.chart-wrap{position:relative;height:240px;margin-top:4px}
.chart-wrap.sm{height:200px}
.chart-empty{display:flex;align-items:center;justify-content:center;text-align:center;height:200px;color:var(--text-secondary);font-size:14px;padding:24px}
.health-legend{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.health-legend a,.health-legend span{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-primary);text-decoration:none}
.health-legend a:hover{text-decoration:underline}
.legend-swatch{width:10px;height:10px;border-radius:3px;flex-shrink:0}
.legend-count{margin-left:auto;font-variant-numeric:tabular-nums;font-weight:600;color:var(--text-secondary)}
.health-bar{display:flex;height:12px;border-radius:6px;overflow:hidden;background:var(--neutral-bg);margin-top:8px}
.health-bar > span{height:100%;min-width:0}
.attention-list{display:flex;flex-direction:column;gap:0;margin:0;padding:0;list-style:none}
.attention-list li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--border);font-size:13px}
.attention-list li:last-child{border-bottom:0;padding-bottom:0}
.attention-list .att-body{flex:1;min-width:0}
.attention-list strong{display:block;font-size:13px;font-weight:600}
.attention-list .att-meta{color:var(--text-secondary);font-size:12px;margin-top:2px}
.attention-list .att-action{flex-shrink:0;font-size:12px;font-weight:600;align-self:center}

.badge{font-size:12px;font-weight:600;border-radius:6px;padding:3px 8px;display:inline-flex;align-items:center;gap:4px;white-space:nowrap;background:var(--neutral-bg);color:var(--text-secondary);line-height:1.3}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.7}
.badge.green,.badge.success{background:var(--success-bg);color:var(--success-text)}
.badge.amber,.badge.warning{background:var(--warning-bg);color:var(--warning-text)}
.badge.red,.badge.critical{background:var(--critical-bg);color:var(--critical-text)}
.badge.neutral{background:var(--neutral-bg);color:var(--text-secondary)}

button,.button{border:0;border-radius:8px;padding:9px 14px;background:var(--primary);color:#fff;cursor:pointer;font:600 13px/1.2 var(--font);display:inline-flex;align-items:center;justify-content:center;gap:6px}
button:hover,.button:hover{background:var(--primary-hover);text-decoration:none}
button:disabled{opacity:.45;cursor:not-allowed}
.button.secondary,button.secondary,.ghost{background:#fff;color:var(--text-primary);border:1px solid var(--border)}
.button.secondary:hover,button.secondary:hover,.ghost:hover{background:var(--neutral-bg)}
.ghost{background:transparent}
.danger-btn{background:var(--critical-text)}
.danger-btn:hover{background:#912018}

.notice{background:var(--primary-soft);border:1px solid #C5E4D8;border-radius:var(--radius-sm);padding:12px 14px;margin:0 0 16px;font-size:13px;color:var(--text-primary)}
.notice.subtle{background:#fff;border-color:var(--border);color:var(--text-secondary)}
.notice.danger{background:var(--critical-bg);border-color:#F5C4C0;color:var(--critical-text)}
.notice.warning{background:var(--warning-bg);border-color:#F0DFA8;color:var(--warning-text)}
.warning{color:var(--warning-text);font-size:13px}

.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;font-weight:600;color:var(--text-secondary);background:var(--bg-page);font-size:12px;border-bottom:1px solid var(--border)}
th.num,td.num{text-align:right;font-variant-numeric:tabular-nums}
td,th{padding:12px 10px;border-bottom:1px solid var(--border);vertical-align:middle}
td small{display:block;max-width:280px;color:var(--text-secondary);font-size:12px;margin-top:2px}
td strong{display:block;font-weight:600}
tr:hover td{background:#FAFBFC}
.plant-cards{display:none}

.plant-filters,.filter-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:end;margin:0 0 14px}
.plant-filters label,.filter-bar label{display:flex;flex-direction:column;gap:4px;font-size:12px;font-weight:600;color:var(--text-secondary);min-width:140px;flex:1}
.status-chips{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px}
.chip{display:inline-flex;align-items:center;gap:4px;padding:6px 10px;border-radius:6px;border:1px solid var(--border);background:#fff;color:var(--text-secondary);font-size:12px;font-weight:600;text-decoration:none}
.chip:hover{text-decoration:none;background:var(--neutral-bg);color:var(--text-primary)}
.chip.active{background:var(--primary-soft);border-color:#B7DFD0;color:var(--primary)}
.pagination{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:16px;flex-wrap:wrap;font-size:13px;color:var(--text-secondary)}
.pagination-links{display:flex;gap:4px;flex-wrap:wrap}
.page-btn{display:inline-block;padding:6px 10px;border-radius:6px;border:1px solid var(--border);background:#fff;color:var(--text-primary);font-weight:600;font-size:12px;text-decoration:none}
.page-btn:hover{text-decoration:none;background:var(--neutral-bg)}
.page-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}
.page-btn.disabled{opacity:.4;pointer-events:none}
.sort-link{color:inherit;text-decoration:none}
.sort-link:hover{color:var(--primary);text-decoration:none}

label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--text-primary)}
input,select,textarea{padding:10px 12px;border:1px solid var(--border-strong);border-radius:8px;background:#fff;color:var(--text-primary);font:14px var(--font);width:100%}
input:focus,select:focus{outline:2px solid #B7DFD0;outline-offset:1px;border-color:var(--primary)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.full{grid-column:1/-1}
.form-grid small,.hint{font-weight:400;color:var(--text-secondary);font-size:12px}
.stack{display:flex;flex-direction:column;gap:14px}
.actions,.actions-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:14px}
.edit-block{margin:12px 0;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-page)}
.edit-block summary{cursor:pointer;padding:12px 14px;font-weight:600;list-style:none;font-size:13px}
.edit-block summary::-webkit-details-marker{display:none}
.edit-block[open] summary{border-bottom:1px solid var(--border)}
.edit-block .form-grid{padding:14px}
.edit-block .hint,.edit-block .warning{padding:0 14px 12px;margin:0}
code{background:var(--neutral-bg);padding:2px 6px;border-radius:4px;font-size:.85em}

.connection-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:16px}
.connection-grid .panel{margin-bottom:0;height:100%;display:flex;flex-direction:column}
.connection-card .card-sub{margin:0 0 12px;font-size:13px;color:var(--text-secondary)}
.connection-card .url-clip{overflow-wrap:anywhere;word-break:break-word;font-size:12px;font-weight:500}
.connection-card .actions{margin-top:auto;padding-top:14px}
.connection-card .card-form{grid-template-columns:1fr}
.connection-summary{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.plant-count{font-weight:500;color:var(--text-secondary);font-size:13px}
dl{display:grid;grid-template-columns:1fr 1.4fr;gap:8px 12px;font-size:13px;margin:0}
dt{color:var(--text-secondary);font-weight:500}
dd{margin:0;font-weight:600;font-variant-numeric:tabular-nums}
.interval-form{margin:0 0 10px;padding:12px 14px;border:1px solid var(--border);border-radius:8px;background:var(--bg-page)}
.interval-row{display:flex;flex-wrap:wrap;gap:12px;align-items:end}
.interval-company{min-width:120px;padding-bottom:8px}
.interval-select,.interval-custom{min-width:140px;flex:1}
.interval-apply{flex-direction:row;align-items:center;gap:8px;font-weight:600;padding-bottom:8px}
.interval-apply input{width:auto}
.add-connection-panel[hidden]{display:none!important}

.fetch-progress{margin:12px 0 4px;padding:12px 14px;border:1px solid var(--border);border-radius:8px;background:var(--primary-soft)}
.fetch-progress-top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:8px;font-size:13px}
.fetch-timer{font-variant-numeric:tabular-nums;font-weight:700;color:var(--primary)}
.progress-track{height:6px;background:#C5E4D8;border-radius:999px;overflow:hidden}
.progress-fill{height:100%;width:0;background:var(--primary);border-radius:999px;transition:width .35s ease}
.progress-fill.done{background:var(--primary)}
.progress-fill.error{background:var(--critical-text)}
.fetch-timing-detail{font-size:12px;color:var(--text-secondary);margin:8px 0 0}

.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:16px}
.stat{padding:16px 18px;margin:0;text-decoration:none;color:inherit}
.stat span,.stat small{display:block;color:var(--text-secondary);font-size:12px}
.stat strong{display:block;font-size:clamp(1.4rem,2vw,1.75rem);letter-spacing:-.03em;margin:8px 0 4px;font-weight:650;font-variant-numeric:tabular-nums}
.report-stats a.stat:hover{text-decoration:none;background:#FAFBFC}
.report-stats a.stat.selected{outline:2px solid var(--primary);outline-offset:0}
.chart-grid{display:grid;grid-template-columns:1.1fr 1.4fr;gap:12px;margin-bottom:16px}
.count-link{font-weight:600;padding:4px 8px;border-radius:6px;display:inline-block;text-decoration:none}
.count-link.alarm{background:var(--critical-bg);color:var(--critical-text)}
.count-link.offline{background:var(--warning-bg);color:var(--warning-text)}
.count-link.nogen{background:#E8EEF8;color:var(--chart-blue)}
.muted-zero{color:#9AA8B5}
.row-active td{background:var(--primary-soft)}
.nav-btn{display:inline-block;padding:6px 10px;border-radius:6px;font-size:12px;font-weight:600;text-decoration:none}
.nav-btn.alarm{background:var(--critical-bg);color:var(--critical-text)}
.nav-btn.offline{background:var(--warning-bg);color:var(--warning-text)}
.nav-btn.nogen{background:#E8EEF8;color:var(--chart-blue)}
.nav-btn.active{outline:2px solid var(--primary)}
.report-nav{display:flex;flex-direction:column;gap:10px;margin:0 0 14px;padding:12px 14px;background:var(--bg-page);border:1px solid var(--border);border-radius:8px}
.nav-group{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.nav-label{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-secondary)}
.detail-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.conn-ref{display:block;margin-top:2px}
.title-row{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:16px}
.compact{margin-bottom:12px;align-items:center}
.eyebrow{font-size:11px;letter-spacing:.08em;font-weight:700;text-transform:uppercase;color:var(--primary)}

.detail-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:16px}
.detail-meta-row{display:flex;flex-wrap:wrap;gap:8px 16px;margin:8px 0 0;font-size:13px;color:var(--text-secondary)}
.empty-state{text-align:center;padding:40px 24px;color:var(--text-secondary)}
.empty-state h3{margin-bottom:8px}
.empty-state p{margin:0 0 16px;font-size:14px}

.login{max-width:400px;margin:0 auto}
.login h1{font-size:1.75rem}
.login .panel{margin-top:20px;padding:24px}
.login-brand{display:flex;align-items:center;gap:10px;margin-bottom:24px;font-weight:600;color:var(--text-primary)}
.guest-bg{min-height:100vh;background:linear-gradient(160deg,#F5F7FA 0%,#E8F0EC 45%,#F5F7FA 100%)}

.skeleton{background:linear-gradient(90deg,var(--neutral-bg) 25%,#f7f9fb 50%,var(--neutral-bg) 75%);background-size:200% 100%;animation:shimmer 1.2s ease-in-out infinite;border-radius:6px;height:1em}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .skeleton{animation:none}
}

@media (max-width:1100px){
  .metrics-grid{grid-template-columns:1fr 1fr}
  .chart-row,.chart-row-secondary,.chart-grid{grid-template-columns:1fr}
  .detail-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .app-sidebar{position:fixed;left:0;top:0;bottom:0;transform:translateX(-105%);transition:transform .22s ease;box-shadow:8px 0 32px rgba(16,28,44,.25)}
  body.nav-open .app-sidebar{transform:translateX(0)}
  body.nav-open{overflow:hidden}
  .nav-toggle{display:inline-flex}
  .nav-backdrop{display:block;position:fixed;inset:0;background:rgba(16,28,44,.45);z-index:35;border:0;padding:0;cursor:pointer}
  .nav-backdrop[hidden]{display:none!important}
  .app-topbar{padding:0 16px}
  .app-main{padding:20px 16px 40px}
  .connection-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .page-hero{flex-direction:column}
}
@media (max-width:640px){
  .metrics-grid,.stats,.detail-grid{grid-template-columns:1fr}
  .plant-table-desktop{display:none}
  .plant-cards{display:flex;flex-direction:column;gap:10px}
  .plant-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
  .plant-card-top{display:flex;justify-content:space-between;gap:8px;align-items:flex-start;margin-bottom:10px}
  .plant-card-metrics{display:grid;grid-template-columns:1fr 1fr;gap:8px;font-size:13px}
  .plant-card-metrics span{display:block;font-size:11px;color:var(--text-secondary)}
  .plant-card-metrics strong{font-variant-numeric:tabular-nums}
  h1{font-size:1.5rem}
  .topbar-meta .collection-meta{display:none}
}