/* =====================================================================
   SmartWaste Monitor — Design Tokens
   Tema: panel kontrol industri (SCADA/HMI) untuk pemantauan limbah cair
   ===================================================================== */
:root{
  --bg: #060B14;
  --panel: #0E1626;
  --panel-2: #121C30;
  --panel-3: #0A111E;
  --border: #1E2A3F;
  --border-soft: #16202F;
  --text: #DCE6F2;
  --text-dim: #9FB0C3;
  --muted: #6F84A0;

  --accent-tds: #22D3EE;      /* cyan  - kejernihan air */
  --accent-temp: #F5A623;     /* amber - panas */
  --accent-doconc: #4ADE80;   /* hijau - oksigen/kehidupan */
  --accent-dosat: #A78BFA;    /* violet - saturasi */
  --accent-signal: #60A5FA;   /* biru - sinyal */

  --success: #34D399;
  --warning: #F5B94E;
  --danger: #F87171;
  --offline: #4B5A6E;

  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --radius: 10px;
  --radius-sm: 6px;
}

*{ box-sizing: border-box; }
html,body{ margin:0; padding:0; }
body{
  background: radial-gradient(circle at 15% 0%, #0B1524 0%, var(--bg) 45%);
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100vh;
}
a{ color: inherit; text-decoration: none; }
h1,h2,h3{ font-family: var(--font-display); margin: 0; }

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

.sidebar{
  width: 240px;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--panel-3), #060A12);
  border-right: 1px solid var(--border-soft);
  display:flex;
  flex-direction:column;
  padding: 20px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar-brand{ display:flex; align-items:center; gap:10px; padding: 6px 8px 22px; }
.brand-mark{
  width:36px; height:36px; border-radius:8px;
  background: linear-gradient(135deg, var(--accent-tds), var(--accent-doconc));
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-display); font-weight:700; color:#04121A; font-size:13px;
}
.brand-text{ display:flex; flex-direction:column; line-height:1.2; }
.brand-text strong{ font-family: var(--font-display); font-size:14px; }
.brand-text span{ font-size:11px; color: var(--muted); }

.sidebar-nav{ flex:1; display:flex; flex-direction:column; gap:2px; margin-top: 6px; }
.nav-label{
  font-size:10px; text-transform:uppercase; letter-spacing:.12em;
  color: var(--muted); margin: 14px 10px 6px;
}
.nav-item{
  display:flex; align-items:center; gap:10px;
  padding: 9px 12px; border-radius: var(--radius-sm);
  color: var(--text-dim); font-size: 13.5px; font-weight:500;
  transition: background .15s ease, color .15s ease;
  border: 1px solid transparent;
}
.nav-item:hover{ background: var(--panel-2); color: var(--text); }
.nav-item.active{
  background: var(--panel-2);
  border-color: var(--border);
  color: var(--text);
}
.nav-ico{ width:14px; text-align:center; font-size:11px; opacity:.85; }
.nav-item.accent-tds.active .nav-ico, .nav-item.accent-tds:hover .nav-ico{ color: var(--accent-tds); }
.nav-item.accent-temp.active .nav-ico, .nav-item.accent-temp:hover .nav-ico{ color: var(--accent-temp); }
.nav-item.accent-doconc.active .nav-ico, .nav-item.accent-doconc:hover .nav-ico{ color: var(--accent-doconc); }
.nav-item.accent-dosat.active .nav-ico, .nav-item.accent-dosat:hover .nav-ico{ color: var(--accent-dosat); }

.sidebar-footer{ font-size:11px; color: var(--muted); padding: 10px 8px 2px; }

/* ---------------- Main / topbar ---------------- */
.main-area{ flex:1; min-width:0; display:flex; flex-direction:column; }

.topbar{ position: relative; background: var(--panel); border-bottom: 1px solid var(--border-soft); overflow:hidden; }
.flowline{
  position:absolute; top:0; left:0; right:0; height:2px;
  background: repeating-linear-gradient(90deg, var(--accent-tds) 0 18px, transparent 18px 34px);
  opacity:.55;
  animation: flow 2.4s linear infinite;
}
@keyframes flow{ from{ background-position-x:0; } to{ background-position-x:-52px; } }
@media (prefers-reduced-motion: reduce){ .flowline{ animation:none; } }

.topbar-inner{
  display:flex; align-items:center; justify-content:space-between; gap: 16px;
  padding: 18px 28px;
  flex-wrap: wrap;
}
.topbar-title h1{ font-size: 20px; }
.topbar-title p{ margin:2px 0 0; font-size:12.5px; color: var(--muted); }

.topbar-status{ display:flex; flex-direction:column; align-items:flex-end; gap:6px; }
.status-pill{
  display:flex; align-items:center; gap:8px;
  padding: 5px 12px; border-radius: 999px;
  background: var(--panel-2); border: 1px solid var(--border);
  font-size: 12px; font-weight:600;
}
.status-pill .dot{ width:8px; height:8px; border-radius:50%; background: var(--offline); }
.status-pill[data-state="online"] .dot{ background: var(--success); box-shadow: 0 0 8px var(--success); }
.status-pill[data-state="offline"] .dot{ background: var(--danger); box-shadow: 0 0 8px var(--danger); }
.status-detail{ display:flex; gap:14px; font-size: 11px; color: var(--muted); font-family: var(--font-mono); }

.content{ padding: 24px 28px 60px; display:flex; flex-direction:column; gap:22px; }

/* ---------------- Stat cards ---------------- */
.cards-grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(210px,1fr)); gap:16px; }
.stat-card{
  position:relative;
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
  overflow:hidden;
}
.stat-card::before{
  content:""; position:absolute; left:0; top:0; bottom:0; width:3px;
  background: var(--accent-signal);
}
.stat-card.accent-tds::before{ background: var(--accent-tds); }
.stat-card.accent-temp::before{ background: var(--accent-temp); }
.stat-card.accent-doconc::before{ background: var(--accent-doconc); }
.stat-card.accent-dosat::before{ background: var(--accent-dosat); }
.stat-card.accent-signal::before{ background: var(--accent-signal); }

.stat-card-head{ display:flex; justify-content:space-between; align-items:center; margin-bottom:10px; }
.stat-label{ font-size:12px; color: var(--muted); font-weight:600; text-transform:uppercase; letter-spacing:.04em; }
.stat-value{ display:flex; align-items:baseline; gap:6px; }
.stat-number{ font-family: var(--font-display); font-size: 30px; font-weight:700; }
.stat-unit{ font-size:12px; color: var(--muted); }
.stat-sub{ margin-top:8px; font-size:11.5px; color: var(--muted); font-family: var(--font-mono); }
.stat-link{ display:inline-block; margin-top:10px; font-size:11.5px; color: var(--text-dim); }
.stat-link:hover{ color: var(--accent-tds); }

.gauge-ring{ display:none; } /* placeholder ring reserved for future gauge treatment */

.status-badge{
  font-size:10.5px; font-weight:700; padding: 3px 9px; border-radius: 999px;
  text-transform: uppercase; letter-spacing:.03em;
  background: rgba(111,132,160,.15); color: var(--offline);
  border: 1px solid rgba(111,132,160,.3);
}
.status-badge.status-normal{ background: rgba(52,211,153,.12); color: var(--success); border-color: rgba(52,211,153,.35); }
.status-badge.status-warning{ background: rgba(245,185,78,.12); color: var(--warning); border-color: rgba(245,185,78,.35); }
.status-badge.status-danger{ background: rgba(248,113,113,.12); color: var(--danger); border-color: rgba(248,113,113,.35); }
.status-badge.status-offline{ background: rgba(75,90,110,.15); color: var(--offline); border-color: rgba(75,90,110,.35); }

/* ---------------- Panels / charts ---------------- */
.panel{
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 20px 22px 22px;
}
.panel-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:14px; flex-wrap:wrap; margin-bottom: 14px; }
.panel-head h2{ font-size:16px; }
.panel-sub{ margin:4px 0 0; font-size:12px; color: var(--muted); }

.range-selector{ display:flex; gap:4px; background: var(--panel-3); border:1px solid var(--border); border-radius: 999px; padding:3px; }
.range-selector button{
  border:none; background:transparent; color: var(--muted);
  font-size:11.5px; font-weight:600; padding:6px 12px; border-radius:999px; cursor:pointer;
  font-family: var(--font-mono);
}
.range-selector button.active{ background: var(--panel-2); color: var(--text); box-shadow: inset 0 0 0 1px var(--border); }

.chart-wrap{ position:relative; width:100%; }
.chart-wrap-lg{ height: 340px; }
.chart-wrap-sm{ height: 160px; }
.chart-legend-note{ margin-top:10px; font-size:11px; color: var(--muted); }

.mini-grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap:16px; }
.mini-panel{ background: var(--panel); border:1px solid var(--border-soft); border-radius: var(--radius); padding:16px; }
.mini-panel-head{ display:flex; justify-content:space-between; align-items:center; margin-bottom:8px; }
.mini-panel-head h3{ font-size:13px; }
.mini-panel-head a{ font-size:11px; color: var(--muted); }
.mini-panel-head a:hover{ color: var(--accent-tds); }
.mini-stats{ display:flex; justify-content:space-between; margin-top:10px; font-size:11px; color: var(--muted); font-family: var(--font-mono); }
.mini-stats b{ color: var(--text); }

.accent-text-tds{ color: var(--accent-tds); }
.accent-text-temp{ color: var(--accent-temp); }
.accent-text-doconc{ color: var(--accent-doconc); }
.accent-text-dosat{ color: var(--accent-dosat); }

/* ---------------- Detail page ---------------- */
.detail-head{ display:flex; flex-wrap:wrap; gap:16px; }
.detail-current{
  background: var(--panel); border:1px solid var(--border-soft); border-radius: var(--radius);
  padding: 22px 24px; flex: 1 1 260px; position:relative; overflow:hidden;
}
.detail-current::before{ content:""; position:absolute; left:0; top:0; bottom:0; width:3px; background: var(--accent-signal); }
.detail-current.accent-tds::before{ background: var(--accent-tds); }
.detail-current.accent-temp::before{ background: var(--accent-temp); }
.detail-current.accent-doconc::before{ background: var(--accent-doconc); }
.detail-current.accent-dosat::before{ background: var(--accent-dosat); }
.detail-label{ font-size:12px; text-transform:uppercase; letter-spacing:.06em; color: var(--muted); font-weight:700; }
.detail-value{ display:flex; align-items:baseline; gap:8px; margin: 10px 0; }
.detail-value span:first-child{ font-family: var(--font-display); font-size:44px; font-weight:700; }
.detail-unit{ font-size:14px; color: var(--muted); }
.detail-updated{ margin: 10px 0 0; font-size:11.5px; color: var(--muted); font-family: var(--font-mono); }

.detail-stats{ display:grid; grid-template-columns: repeat(2,1fr); gap:12px; flex: 1 1 320px; }
.detail-stat-box{
  background: var(--panel); border:1px solid var(--border-soft); border-radius: var(--radius-sm);
  padding: 14px 16px; display:flex; flex-direction:column; gap:6px; justify-content:center;
}
.detail-stat-box span{ font-size:11px; color: var(--muted); text-transform:uppercase; letter-spacing:.04em; }
.detail-stat-box b{ font-family: var(--font-mono); font-size:16px; }

/* ---------------- Tables ---------------- */
.table-wrap{ overflow-x:auto; border:1px solid var(--border-soft); border-radius: var(--radius-sm); }
.data-table{ width:100%; border-collapse: collapse; font-size: 12.5px; }
.data-table thead th{
  text-align:left; background: var(--panel-3); color: var(--muted);
  padding: 10px 14px; font-weight:600; text-transform:uppercase; font-size:10.5px; letter-spacing:.05em;
  border-bottom: 1px solid var(--border-soft); white-space: nowrap;
}
.data-table tbody td{ padding: 9px 14px; border-bottom: 1px solid var(--border-soft); white-space: nowrap; }
.data-table tbody tr:hover{ background: var(--panel-2); }
.data-table .mono{ font-family: var(--font-mono); color: var(--text-dim); }
.empty-row{ text-align:center; color: var(--muted); padding: 24px !important; }

/* ---------------- Filter bar / buttons ---------------- */
.filter-bar{ display:flex; gap:14px; flex-wrap:wrap; align-items:flex-end; margin-bottom:16px; }
.filter-field{ display:flex; flex-direction:column; gap:6px; }
.filter-field label{ font-size:11px; color: var(--muted); font-weight:600; text-transform:uppercase; letter-spacing:.04em; }
.filter-field select, .filter-field input[type=date]{
  background: var(--panel-3); border:1px solid var(--border); color: var(--text);
  padding: 8px 10px; border-radius: var(--radius-sm); font-family: var(--font-body); font-size:13px;
}
.btn-primary, .btn-outline{
  padding: 8px 16px; border-radius: var(--radius-sm); font-size:13px; font-weight:600; cursor:pointer; border:1px solid transparent;
  display:inline-block;
}
.btn-primary{ background: linear-gradient(135deg, var(--accent-tds), var(--accent-doconc)); color:#04121A; border:none; }
.btn-outline{ background: transparent; border:1px solid var(--border); color: var(--text-dim); }
.btn-outline:hover{ border-color: var(--accent-tds); color: var(--accent-tds); }

.pagination{ display:flex; gap:6px; justify-content:center; margin-top:16px; flex-wrap:wrap; }
.pagination button{
  min-width: 32px; padding: 6px 10px; border-radius: var(--radius-sm);
  background: var(--panel-3); border:1px solid var(--border); color: var(--text-dim);
  font-family: var(--font-mono); font-size:12px; cursor:pointer;
}
.pagination button.active{ background: var(--panel-2); color: var(--text); border-color: var(--accent-tds); }
.pagination button:disabled{ opacity:.4; cursor:not-allowed; }

/* ---------------- Responsive ---------------- */
@media (max-width: 900px){
  .app-shell{ flex-direction:column; }
  .sidebar{ width:100%; height:auto; position:relative; flex-direction:row; align-items:center; gap:10px; overflow-x:auto; padding:12px; }
  .sidebar-nav{ flex-direction:row; }
  .nav-label{ display:none; }
  .sidebar-footer{ display:none; }
  .content{ padding: 18px; }
  .topbar-inner{ padding: 14px 18px; }
  .topbar-status{ align-items:flex-start; }
  .detail-value span:first-child{ font-size:34px; }
}