/* ============================================================
   ALSS Dashboard — styling
   Aesthetic: industrial/monitoring dark, neutral cool grays
   Type: IBM Plex Sans + IBM Plex Mono
   ============================================================ */

:root {
  --bg:        oklch(0.18 0.012 250);
  --bg-2:      oklch(0.22 0.012 250);
  --panel:     oklch(0.25 0.012 250);
  --panel-2:   oklch(0.29 0.012 250);
  --line:      oklch(0.34 0.012 250);
  --line-2:    oklch(0.40 0.014 250);

  --fg:        oklch(0.96 0.005 250);
  --fg-dim:    oklch(0.78 0.008 250);
  --fg-mute:   oklch(0.60 0.010 250);

  --accent:    oklch(0.78 0.14  220);   /* cyan */
  --accent-2:  oklch(0.78 0.14  155);   /* green */
  --warn:      oklch(0.80 0.16   80);   /* amber */
  --danger:    oklch(0.70 0.18   25);   /* red */

  --radius:    12px;
  --radius-sm: 8px;
  --shadow:    0 1px 0 oklch(1 0 0 / 0.04) inset, 0 8px 28px oklch(0 0 0 / 0.35);
}

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

body {
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  background:
    radial-gradient(1200px 600px at 80% -10%, oklch(0.28 0.04 230 / 0.5), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, oklch(0.28 0.04 160 / 0.35), transparent 60%),
    var(--bg);
  color: var(--fg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.mono { font-family: "IBM Plex Mono", ui-monospace, monospace; }
.muted { color: var(--fg-dim); }
.small { font-size: 12.5px; }
.hint { color: var(--fg-mute); font-size: 12px; letter-spacing: 0.04em; }

/* ============ TOPBAR ============ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
  background: oklch(0.20 0.012 250 / 0.7);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 10;
}

.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  color: var(--accent);
  display: grid; place-items: center;
  width: 44px; height: 44px;
  background: oklch(0.24 0.03 230 / 0.6);
  border: 1px solid var(--line-2);
  border-radius: 10px;
}
.brand-title { font-weight: 600; letter-spacing: -0.01em; }
.brand-sub   { color: var(--fg-mute); font-size: 12.5px; margin-top: 2px; }

.status-cluster { display: flex; gap: 10px; align-items: center; }

.status-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-size: 12.5px; font-weight: 500;
  letter-spacing: 0.05em;
  background: oklch(0.22 0.012 250 / 0.6);
}
.status-pill .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--fg-mute);
  box-shadow: 0 0 0 0 currentColor;
}
.status-pill[data-state="live"]    { color: var(--accent-2); border-color: oklch(0.45 0.10 155); }
.status-pill[data-state="live"] .dot {
  background: var(--accent-2);
  animation: pulse 1.6s infinite ease-out;
}
.status-pill[data-state="sim"]     { color: var(--warn); border-color: oklch(0.45 0.10 80); }
.status-pill[data-state="offline"] { color: var(--fg-mute); }

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 currentColor; }
  70%  { box-shadow: 0 0 0 6px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* ============ BUTTONS ============ */
.btn, .btn-sm, .btn-ghost, .btn-ghost-sm {
  font-family: inherit;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.05s;
}
.btn {
  padding: 10px 16px;
  background: var(--accent);
  color: oklch(0.18 0.02 230);
  border: none;
  font-size: 14px;
}
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: translateY(1px); }

.btn-sm {
  padding: 8px 12px; font-size: 12.5px;
  background: var(--panel-2);
  border: 1px solid var(--line-2);
  color: var(--fg);
}
.btn-sm:hover { background: var(--panel); border-color: var(--accent); }

.btn-ghost {
  padding: 8px 14px;
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--line-2);
  font-size: 12.5px;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-ghost-sm {
  background: none; border: none; color: var(--fg-mute);
  font-size: 12px; padding: 4px 8px;
}
.btn-ghost-sm:hover { color: var(--fg); }

/* ============ LAYOUT ============ */
.layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 20px;
  padding: 20px 28px 40px;
  max-width: 1600px;
  margin: 0 auto;
}
.col-main, .col-side { display: flex; flex-direction: column; gap: 20px; }

/* ============ CARD ============ */
.card {
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.card-head h2 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0;
  color: var(--fg-dim);
}
.card-actions { display: flex; gap: 10px; align-items: center; font-size: 12px; color: var(--fg-mute); }
.legend-dot::before {
  content:""; display:inline-block; width:10px; height:10px;
  background: var(--c); border-radius: 50%; margin-right: 6px;
  vertical-align: middle;
}
.sep { width: 1px; height: 14px; background: var(--line-2); margin: 0 4px; }

/* ============ HERO ============ */
.hero {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 24px;
  align-items: center;
}
.metric-label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--fg-mute);
  text-transform: uppercase;
}
.metric-value {
  font-family: "IBM Plex Mono";
  font-size: 72px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 8px 0 6px;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}
.metric-value .unit {
  font-size: 28px;
  color: var(--fg-dim);
  margin-left: 8px;
}
.metric-sub { color: var(--fg-dim); font-size: 13px; }

.bar-wrap { margin-top: 18px; }
.bar-track {
  position: relative;
  height: 10px;
  background: var(--panel-2);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--line-2);
}
.bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.4s ease, background 0.3s;
  border-radius: 999px;
}
.bar-fill.warn   { background: linear-gradient(90deg, var(--accent-2), var(--warn)); }
.bar-fill.danger { background: linear-gradient(90deg, var(--warn), var(--danger)); }
.bar-marker {
  position: absolute; top: -4px; bottom: -4px;
  width: 2px;
  background: var(--warn);
  box-shadow: 0 0 0 2px oklch(0.25 0.05 80 / 0.4);
}
.bar-labels {
  display: flex; justify-content: space-between;
  font-size: 11px; color: var(--fg-mute); margin-top: 6px;
}

.hero-flags {
  display: flex; gap: 10px; margin-top: 16px;
}
.flag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  border-radius: 6px;
  border: 1px solid var(--line-2);
  color: var(--fg-mute);
  background: var(--panel-2);
}
.flag-led {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--fg-mute);
}
.flag[data-on="1"] {
  color: var(--accent-2);
  border-color: oklch(0.45 0.10 155);
}
.flag[data-on="1"] .flag-led { background: var(--accent-2); box-shadow: 0 0 8px var(--accent-2); }
.flag#flagShed[data-on="1"] {
  color: var(--danger);
  border-color: oklch(0.45 0.14 25);
  animation: blink 1.2s infinite;
}
.flag#flagShed[data-on="1"] .flag-led { background: var(--danger); box-shadow: 0 0 8px var(--danger); }
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.55; }
}

/* Ring gauge */
.hero-right { display: grid; place-items: center; }
.ring-wrap { position: relative; width: 160px; height: 160px; }
.ring { transform: rotate(-90deg); }
.ring-bg, .ring-fg { fill: none; stroke-width: 10; stroke-linecap: round; }
.ring-bg { stroke: var(--panel-2); }
.ring-fg {
  stroke: var(--accent);
  transition: stroke-dashoffset 0.5s ease, stroke 0.3s;
}
.ring-fg.warn   { stroke: var(--warn); }
.ring-fg.danger { stroke: var(--danger); }
.ring-center {
  position: absolute; inset: 0;
  display: grid; place-items: center; text-align: center;
}
.ring-num {
  font-family: "IBM Plex Mono";
  font-size: 26px; font-weight: 500;
  font-variant-numeric: tabular-nums;
}
.ring-lbl {
  font-size: 10px; letter-spacing: 0.14em;
  color: var(--fg-mute); margin-top: 4px;
}

/* ============ CHART ============ */
.chart-wrap { position: relative; height: 220px; }

/* ============ LOG ============ */
.log {
  height: 200px;
  overflow-y: auto;
  background: oklch(0.16 0.012 250);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--fg-dim);
}
.log .row { display: flex; gap: 10px; }
.log .ts  { color: var(--fg-mute); min-width: 80px; }
.log .tag {
  font-weight: 600;
  min-width: 60px;
}
.log .tag.info { color: var(--accent); }
.log .tag.ok   { color: var(--accent-2); }
.log .tag.warn { color: var(--warn); }
.log .tag.err  { color: var(--danger); }

/* ============ CHANNELS ============ */
.channels {
  display: flex; flex-direction: column; gap: 10px;
}
.ch {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  background: var(--panel-2);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s, background 0.2s;
}
.ch[data-relay="0"] {
  background: oklch(0.22 0.012 250 / 0.5);
  opacity: 0.78;
}
.ch[data-shed="1"] {
  border-color: oklch(0.45 0.14 25);
  background: oklch(0.25 0.03 25 / 0.4);
}
.ch-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--bg-2);
  display: grid; place-items: center;
  border: 1px solid var(--line-2);
  font-family: "IBM Plex Mono";
  font-size: 14px; font-weight: 600;
  color: var(--accent);
}
.ch-body { min-width: 0; }
.ch-name {
  font-weight: 600; font-size: 14px;
  margin-bottom: 2px;
}
.ch-stats {
  display: flex; gap: 12px;
  font-family: "IBM Plex Mono"; font-size: 12px;
  color: var(--fg-dim);
}
.ch-stats b { color: var(--fg); font-weight: 500; }
.ch-side { display: flex; flex-direction: column; gap: 6px; align-items: flex-end; }
.ch-prio {
  font-family: "IBM Plex Mono";
  font-size: 11px;
  color: var(--fg-mute);
  display: flex; gap: 6px; align-items: center;
}
.ch-prio select {
  font-family: inherit;
  background: var(--bg-2);
  color: var(--fg);
  border: 1px solid var(--line-2);
  border-radius: 4px;
  padding: 2px 4px;
  font-size: 11px;
}

/* mini relay switch */
.relay-sw {
  position: relative;
  width: 44px; height: 24px;
  border-radius: 999px;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  cursor: pointer;
  transition: background 0.2s;
}
.relay-sw::after {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--fg-mute);
  transition: transform 0.2s, background 0.2s;
}
.relay-sw[data-on="1"] { background: oklch(0.35 0.10 155); border-color: oklch(0.55 0.12 155); }
.relay-sw[data-on="1"]::after { transform: translateX(20px); background: var(--accent-2); }

/* ============ CONTROL FIELDS ============ */
.ctrl { margin-bottom: 16px; }
.ctrl label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-mute);
  margin-bottom: 8px;
}
.ctrl-row { display: flex; align-items: center; gap: 10px; }
.ctrl-row input[type="range"] { flex: 1; accent-color: var(--accent); }
.ctrl-row input[type="number"] {
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  color: var(--fg);
  border-radius: 6px;
  padding: 6px 8px;
  width: 84px;
  font-family: "IBM Plex Mono";
  font-size: 13px;
}
.unit-sm { color: var(--fg-mute); font-size: 12px; }
.toggle-row { margin-bottom: 12px; }
.btn-row { margin-top: 6px; }

/* toggle */
.toggle { display: inline-flex; align-items: center; gap: 12px; cursor: pointer; user-select: none; }
.toggle input { display: none; }
.toggle .slider {
  position: relative;
  width: 40px; height: 22px;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  transition: background 0.2s;
}
.toggle .slider::after {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--fg-mute);
  transition: transform 0.2s, background 0.2s;
}
.toggle input:checked + .slider { background: oklch(0.35 0.10 155); border-color: oklch(0.55 0.12 155); }
.toggle input:checked + .slider::after { transform: translateX(18px); background: var(--accent-2); }
.toggle-label { font-size: 13px; }

/* simulasi grid */
.sim-card p { margin: 6px 0 14px; }
.sim-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

/* responsive */
@media (max-width: 1100px) {
  .layout { grid-template-columns: 1fr; }
  .hero { grid-template-columns: 1fr; }
  .hero-right { justify-self: start; }
}