Back to CSS Neumorphism Smart IoT Control Panel CSS + JS
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HTML 
<section class="nm-iot" aria-label="Smart IoT control panel">
  <div class="card">

    <div class="left-col">
      <div>
        <div class="tag">Power Control</div>
        <div class="power-stage">
          <div class="power-ring on" data-nm-iot-power>
            <div class="power-icon" aria-hidden="true">
              <svg viewBox="0 0 44 44" xmlns="http://www.w3.org/2000/svg">
                <path class="power-arc" d="M 22 8 A 16 16 0 1 1 6 22" stroke-dasharray="70 100"/>
                <line class="power-line" x1="22" y1="4" x2="22" y2="22"/>
              </svg>
            </div>
          </div>
          <div class="power-status on" data-nm-iot-status>SYSTEM ON</div>
        </div>
      </div>

      <div class="status-bar">
        <div class="status-row">
          <span class="status-key">Hub Status</span>
          <span class="status-dot on" aria-hidden="true"></span>
        </div>
        <div class="status-row">
          <span class="status-key">Devices</span>
          <span class="status-val">8 / 10</span>
        </div>
        <div class="status-row">
          <span class="status-key">Network</span>
          <span class="status-val">5G ▮▮▮▮</span>
        </div>
        <div class="status-row">
          <span class="status-key">Energy</span>
          <span class="status-val">2.4 kW</span>
        </div>
      </div>

      <div>
        <div class="tag">Scenes</div>
        <div class="scene-grid">
          <button type="button" class="scene-btn active" data-nm-iot-scene><span class="scene-icon" aria-hidden="true">🌅</span>Morning</button>
          <button type="button" class="scene-btn" data-nm-iot-scene><span class="scene-icon" aria-hidden="true">🌇</span>Evening</button>
          <button type="button" class="scene-btn" data-nm-iot-scene><span class="scene-icon" aria-hidden="true">🎬</span>Movie</button>
          <button type="button" class="scene-btn" data-nm-iot-scene><span class="scene-icon" aria-hidden="true">🌙</span>Sleep</button>
        </div>
      </div>
    </div>

    <div class="center-col">
      <div>
        <div class="tag">Climate Control</div>
        <div class="thermo-wrap">
          <div class="thermo-ring-wrap">
            <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
              <defs>
                <linearGradient id="nm-iot-tg" x1="0" y1="0" x2="1" y2="1">
                  <stop offset="0%" stop-color="#00b5b0"/>
                  <stop offset="100%" stop-color="#fdcb6e"/>
                </linearGradient>
                <filter id="nm-iot-glow">
                  <feGaussianBlur stdDeviation="3" result="b"/>
                  <feMerge><feMergeNode in="b"/><feMergeNode in="SourceGraphic"/></feMerge>
                </filter>
              </defs>
              <circle cx="100" cy="100" r="86" fill="none"
                stroke="#2e3a48" stroke-width="12" stroke-linecap="round"
                stroke-dasharray="360 100" stroke-dashoffset="-50"/>
              <circle cx="100" cy="100" r="86" fill="none"
                stroke="url(#nm-iot-tg)" stroke-width="12" stroke-linecap="round"
                stroke-dasharray="196 264" stroke-dashoffset="-50"
                filter="url(#nm-iot-glow)" data-nm-iot-thermo-arc/>
              <g data-nm-iot-ticks opacity="0.4"></g>
            </svg>
            <div class="thermo-center">
              <div class="temp-big" data-nm-iot-temp>22<span class="temp-unit">°</span></div>
              <div class="temp-label">Living Room</div>
            </div>
          </div>
          <div class="temp-adj">
            <button type="button" class="adj" data-nm-iot-temp-adj="-1" aria-label="Decrease temperature">−</button>
            <button type="button" class="adj" data-nm-iot-temp-adj="1" aria-label="Increase temperature">+</button>
          </div>
          <div class="mode-row">
            <button type="button" class="mode-chip active" data-nm-iot-mode><span class="mode-emoji" aria-hidden="true">❄️</span>Cool</button>
            <button type="button" class="mode-chip" data-nm-iot-mode><span class="mode-emoji" aria-hidden="true">🔥</span>Heat</button>
            <button type="button" class="mode-chip" data-nm-iot-mode><span class="mode-emoji" aria-hidden="true">💨</span>Fan</button>
            <button type="button" class="mode-chip" data-nm-iot-mode><span class="mode-emoji" aria-hidden="true">⚡</span>Auto</button>
          </div>
        </div>
      </div>

      <div class="sliders-wrap">
        <div class="slider-row">
          <div class="slider-header">
            <span class="slider-name">☀ Brightness</span>
            <span class="slider-value" data-nm-iot-slider-val="bright">78%</span>
          </div>
          <div class="slider-track">
            <div class="slider-fill" style="width:78%" data-nm-iot-slider-fill="bright"><div class="slider-glow"></div></div>
            <div class="slider-thumb" data-nm-iot-slider-thumb="bright" style="left:calc(78% - 10px)"></div>
            <input type="range" class="hslider" min="0" max="100" value="78" data-nm-iot-slider="bright" data-suffix="%" aria-label="Brightness" />
          </div>
        </div>

        <div class="slider-row">
          <div class="slider-header">
            <span class="slider-name">🌀 Fan Speed</span>
            <span class="slider-value" data-nm-iot-slider-val="fan">3 / 5</span>
          </div>
          <div class="slider-track">
            <div class="slider-fill" style="width:60%" data-nm-iot-slider-fill="fan"><div class="slider-glow"></div></div>
            <div class="slider-thumb" data-nm-iot-slider-thumb="fan" style="left:calc(60% - 10px)"></div>
            <input type="range" class="hslider" min="1" max="5" value="3" data-nm-iot-slider="fan" data-suffix=" / 5" aria-label="Fan speed" />
          </div>
        </div>

        <div class="slider-row">
          <div class="slider-header">
            <span class="slider-name">💧 Humidity</span>
            <span class="slider-value" data-nm-iot-slider-val="hum">55%</span>
          </div>
          <div class="slider-track">
            <div class="slider-fill" style="width:55%" data-nm-iot-slider-fill="hum"><div class="slider-glow"></div></div>
            <div class="slider-thumb" data-nm-iot-slider-thumb="hum" style="left:calc(55% - 10px)"></div>
            <input type="range" class="hslider" min="0" max="100" value="55" data-nm-iot-slider="hum" data-suffix="%" aria-label="Humidity" />
          </div>
        </div>
      </div>
    </div>

    <div class="right-col">
      <div class="tag">Devices</div>

      <button type="button" class="toggle-card on" data-nm-iot-device>
        <span class="toggle-card-icon" aria-hidden="true">💡</span>
        <span class="toggle-info">
          <span class="toggle-device">Ceiling Light</span>
          <span class="toggle-room">Living Room</span>
        </span>
        <span class="pill-sw" aria-hidden="true"><span class="pill-thumb"></span></span>
      </button>

      <button type="button" class="toggle-card on" data-nm-iot-device>
        <span class="toggle-card-icon" aria-hidden="true">🌡️</span>
        <span class="toggle-info">
          <span class="toggle-device">Thermostat</span>
          <span class="toggle-room">Whole Home</span>
        </span>
        <span class="pill-sw" aria-hidden="true"><span class="pill-thumb"></span></span>
      </button>

      <button type="button" class="toggle-card" data-nm-iot-device>
        <span class="toggle-card-icon" aria-hidden="true">🔊</span>
        <span class="toggle-info">
          <span class="toggle-device">Speakers</span>
          <span class="toggle-room">Kitchen</span>
        </span>
        <span class="pill-sw" aria-hidden="true"><span class="pill-thumb"></span></span>
      </button>

      <button type="button" class="toggle-card on" data-nm-iot-device>
        <span class="toggle-card-icon" aria-hidden="true">🔒</span>
        <span class="toggle-info">
          <span class="toggle-device">Front Door</span>
          <span class="toggle-room">Entrance</span>
        </span>
        <span class="pill-sw" aria-hidden="true"><span class="pill-thumb"></span></span>
      </button>

      <button type="button" class="toggle-card" data-nm-iot-device>
        <span class="toggle-card-icon" aria-hidden="true">🌿</span>
        <span class="toggle-info">
          <span class="toggle-device">Air Purifier</span>
          <span class="toggle-room">Bedroom</span>
        </span>
        <span class="pill-sw" aria-hidden="true"><span class="pill-thumb"></span></span>
      </button>

      <button type="button" class="toggle-card on" data-nm-iot-device>
        <span class="toggle-card-icon" aria-hidden="true">📷</span>
        <span class="toggle-info">
          <span class="toggle-device">Security Cam</span>
          <span class="toggle-room">Garage</span>
        </span>
        <span class="pill-sw" aria-hidden="true"><span class="pill-thumb"></span></span>
      </button>
    </div>

    <div class="bottom-row" data-nm-iot-dials></div>

  </div>
</section>
CSS 
/* ─── 07 Smart IoT Control Panel — dark teal smart-home hub ──────── */
@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Share+Tech+Mono&display=swap');

.nm-iot {
  --nm-iot-bg:  #1e2530;
  --nm-iot-sd:  #101520;
  --nm-iot-sl:  #2e3a48;
  --nm-iot-ib:  #1a2028;
  --nm-iot-t1:  #00cec9;
  --nm-iot-t2:  #00b5b0;
  --nm-iot-amb: #fdcb6e;
  --nm-iot-grn: #55efc4;
  --nm-iot-txt: #7a90a8;
  --nm-iot-t2x: #c0d8f0;
  --nm-iot-neu:       10px 10px 24px var(--nm-iot-sd), -8px -8px 20px var(--nm-iot-sl);
  --nm-iot-neu-in:    inset 8px 8px 18px var(--nm-iot-sd), inset -6px -6px 14px var(--nm-iot-sl);
  --nm-iot-neu-sm:    6px 6px 14px var(--nm-iot-sd), -5px -5px 12px var(--nm-iot-sl);
  --nm-iot-neu-sm-in: inset 5px 5px 10px var(--nm-iot-sd), inset -4px -4px 8px var(--nm-iot-sl);

  position: relative;
  width: 100%;
  min-height: 880px;
  background: var(--nm-iot-bg);
  font-family: 'Rajdhani', system-ui, sans-serif;
  color: var(--nm-iot-txt);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
  overflow: hidden;
  box-sizing: border-box;
}

.nm-iot *,
.nm-iot *::before,
.nm-iot *::after { box-sizing: border-box; }

.nm-iot .card {
  position: relative;
  width: 100%;
  max-width: 860px;
  background: var(--nm-iot-bg);
  border-radius: 40px;
  padding: 40px 36px;
  box-shadow: 20px 20px 50px var(--nm-iot-sd), -16px -16px 40px var(--nm-iot-sl);
  display: grid;
  grid-template-columns: 220px 1fr 200px;
  grid-template-rows: auto auto;
  gap: 24px;
}

.nm-iot .tag {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  color: var(--nm-iot-txt);
  opacity: 0.45;
  margin-bottom: 14px;
  font-family: 'Share Tech Mono', ui-monospace, monospace;
}

/* Left column */
.nm-iot .left-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
  grid-row: 1 / 3;
}

.nm-iot .power-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.nm-iot .power-ring {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: var(--nm-iot-bg);
  box-shadow: var(--nm-iot-neu);
  position: relative;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: box-shadow 0.3s ease;
  border: 0;
  padding: 0;
}
.nm-iot .power-ring::before {
  content: '';
  position: absolute;
  inset: 10px;
  border-radius: 50%;
  background: var(--nm-iot-bg);
  box-shadow: var(--nm-iot-neu-sm-in);
}
.nm-iot .power-ring::after {
  content: '';
  position: absolute;
  inset: 20px;
  border-radius: 50%;
  background: var(--nm-iot-bg);
  box-shadow: var(--nm-iot-neu-sm);
}
.nm-iot .power-icon {
  position: relative;
  z-index: 10;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.nm-iot .power-icon svg { width: 100%; height: 100%; }
.nm-iot .power-ring.on { box-shadow: var(--nm-iot-neu-in); }
.nm-iot .power-ring.on .power-arc { stroke: var(--nm-iot-t1); filter: drop-shadow(0 0 8px var(--nm-iot-t1)); }
.nm-iot .power-ring.on .power-line { stroke: var(--nm-iot-t1); filter: drop-shadow(0 0 8px var(--nm-iot-t1)); }
.nm-iot .power-arc {
  stroke: var(--nm-iot-txt);
  stroke-width: 2.5;
  fill: none;
  stroke-linecap: round;
  transition: stroke 0.4s, filter 0.4s;
}
.nm-iot .power-line {
  stroke: var(--nm-iot-txt);
  stroke-width: 2.5;
  stroke-linecap: round;
  transition: stroke 0.4s, filter 0.4s;
}

.nm-iot .power-status {
  font-family: 'Share Tech Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--nm-iot-txt);
  transition: color 0.3s;
}
.nm-iot .power-status.on {
  color: var(--nm-iot-t1);
  text-shadow: 0 0 10px var(--nm-iot-t1);
}

.nm-iot .status-bar {
  width: 100%;
  background: var(--nm-iot-ib);
  border-radius: 12px;
  padding: 14px;
  box-shadow: var(--nm-iot-neu-in);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.nm-iot .status-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nm-iot .status-key { font-size: 11px; color: var(--nm-iot-txt); letter-spacing: 0.5px; }
.nm-iot .status-val {
  font-family: 'Share Tech Mono', ui-monospace, monospace;
  font-size: 12px;
  color: var(--nm-iot-t2x);
}
.nm-iot .status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--nm-iot-txt);
}
.nm-iot .status-dot.on {
  background: var(--nm-iot-grn);
  box-shadow: 0 0 6px var(--nm-iot-grn);
}

.nm-iot .scene-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.nm-iot .scene-btn {
  background: var(--nm-iot-bg);
  border: none;
  cursor: pointer;
  border-radius: 14px;
  padding: 14px 10px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  box-shadow: var(--nm-iot-neu-sm);
  transition: all 0.2s ease;
  font-family: 'Rajdhani', system-ui, sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--nm-iot-txt);
  text-transform: uppercase;
}
.nm-iot .scene-btn.active {
  box-shadow: var(--nm-iot-neu-sm-in);
  color: var(--nm-iot-t1);
}
.nm-iot .scene-icon { font-size: 20px; line-height: 1; }

/* Center column */
.nm-iot .center-col {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.nm-iot .thermo-wrap {
  background: var(--nm-iot-bg);
  border-radius: 28px;
  padding: 26px 20px 20px;
  box-shadow: var(--nm-iot-neu);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.nm-iot .thermo-ring-wrap {
  position: relative;
  width: 200px;
  height: 200px;
}
.nm-iot .thermo-ring-wrap svg {
  width: 100%;
  height: 100%;
  transform: rotate(-135deg);
}
.nm-iot .thermo-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
}
.nm-iot .temp-big {
  font-size: 54px;
  font-weight: 700;
  color: var(--nm-iot-t2x);
  line-height: 1;
  letter-spacing: -2px;
  font-family: 'Share Tech Mono', ui-monospace, monospace;
}
.nm-iot .temp-unit { font-size: 20px; color: var(--nm-iot-t1); }
.nm-iot .temp-label {
  font-size: 9px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--nm-iot-txt);
  margin-top: 4px;
  font-family: 'Share Tech Mono', ui-monospace, monospace;
}

.nm-iot .temp-adj { display: flex; gap: 14px; }
.nm-iot .adj {
  width: 44px;
  height: 44px;
  background: var(--nm-iot-bg);
  border: none;
  cursor: pointer;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 300;
  color: var(--nm-iot-t2x);
  box-shadow: var(--nm-iot-neu-sm);
  transition: all 0.15s;
  font-family: 'Rajdhani', system-ui, sans-serif;
}
.nm-iot .adj:active {
  box-shadow: var(--nm-iot-neu-sm-in);
  color: var(--nm-iot-t1);
}

.nm-iot .mode-row { display: flex; gap: 6px; width: 100%; }
.nm-iot .mode-chip {
  flex: 1;
  background: var(--nm-iot-bg);
  border: none;
  cursor: pointer;
  border-radius: 12px;
  padding: 10px 4px;
  font-family: 'Rajdhani', system-ui, sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--nm-iot-txt);
  box-shadow: var(--nm-iot-neu-sm);
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}
.nm-iot .mode-chip.active {
  box-shadow: var(--nm-iot-neu-sm-in);
  color: var(--nm-iot-t1);
}
.nm-iot .mode-emoji { font-size: 14px; }

/* Sliders */
.nm-iot .sliders-wrap {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.nm-iot .slider-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.nm-iot .slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nm-iot .slider-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--nm-iot-t2x);
  letter-spacing: 0.5px;
}
.nm-iot .slider-value {
  font-family: 'Share Tech Mono', ui-monospace, monospace;
  font-size: 12px;
  color: var(--nm-iot-t1);
}
.nm-iot .slider-track {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--nm-iot-ib);
  box-shadow: var(--nm-iot-neu-sm-in);
  position: relative;
  cursor: pointer;
}
.nm-iot .slider-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--nm-iot-t2), var(--nm-iot-t1));
  position: relative;
}
.nm-iot .slider-glow {
  position: absolute;
  inset: -3px 0;
  border-radius: 6px;
  background: inherit;
  filter: blur(5px);
  opacity: 0.4;
}
.nm-iot .slider-thumb {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--nm-iot-bg);
  box-shadow: var(--nm-iot-neu-sm);
  cursor: grab;
}
.nm-iot .slider-thumb::after {
  content: '';
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: var(--nm-iot-t1);
  box-shadow: 0 0 6px var(--nm-iot-t1);
}
.nm-iot .hslider {
  position: absolute;
  inset: -6px 0;
  width: 100%;
  height: 20px;
  opacity: 0;
  cursor: pointer;
  z-index: 10;
  margin: 0;
}

/* Right column */
.nm-iot .right-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
  grid-row: 1 / 3;
}
.nm-iot .toggle-card {
  background: var(--nm-iot-bg);
  border: 0;
  border-radius: 20px;
  padding: 14px 12px;
  box-shadow: var(--nm-iot-neu-sm);
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  text-align: left;
}
.nm-iot .toggle-card.on { box-shadow: var(--nm-iot-neu-sm-in); }
.nm-iot .toggle-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--nm-iot-bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  box-shadow: var(--nm-iot-neu-sm);
  transition: all 0.3s;
  flex-shrink: 0;
}
.nm-iot .toggle-card.on .toggle-card-icon {
  box-shadow: var(--nm-iot-neu-sm-in);
  filter: drop-shadow(0 0 6px var(--nm-iot-t1));
}
.nm-iot .toggle-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.nm-iot .toggle-device {
  font-size: 13px;
  font-weight: 600;
  color: var(--nm-iot-t2x);
}
.nm-iot .toggle-room {
  font-size: 10px;
  color: var(--nm-iot-txt);
  margin-top: 2px;
  letter-spacing: 0.3px;
}
.nm-iot .pill-sw {
  width: 44px;
  height: 24px;
  border-radius: 12px;
  background: var(--nm-iot-ib);
  box-shadow: var(--nm-iot-neu-sm-in);
  position: relative;
  flex-shrink: 0;
  transition: all 0.3s;
  display: inline-block;
}
.nm-iot .pill-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--nm-iot-bg);
  box-shadow: var(--nm-iot-neu-sm);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.nm-iot .toggle-card.on .pill-sw { background: rgba(0, 206, 201, 0.12); }
.nm-iot .toggle-card.on .pill-thumb {
  left: 23px;
  background: var(--nm-iot-t1);
  box-shadow: 0 0 8px var(--nm-iot-t1), 3px 3px 6px var(--nm-iot-sd);
}

/* Bottom: mini dials */
.nm-iot .bottom-row {
  grid-column: 2 / 3;
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}
.nm-iot .mini-dial-group {
  flex: 1;
  min-width: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.nm-iot .mini-dial {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--nm-iot-bg);
  box-shadow: var(--nm-iot-neu-sm);
  position: relative;
  cursor: grab;
  user-select: none;
}
.nm-iot .mini-dial:active { cursor: grabbing; }
.nm-iot .mini-dial-inner {
  position: absolute;
  inset: 10px;
  border-radius: 50%;
  background: var(--nm-iot-ib);
  box-shadow: var(--nm-iot-neu-sm-in);
}
.nm-iot .mini-dial-dot {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--nm-iot-t1);
  box-shadow: 0 0 6px var(--nm-iot-t1);
  transform: translateX(-50%);
  transform-origin: 2.5px 24px;
}
.nm-iot .mini-dial-lbl {
  font-size: 10px;
  font-weight: 600;
  color: var(--nm-iot-txt);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.nm-iot .mini-dial-val {
  font-family: 'Share Tech Mono', ui-monospace, monospace;
  font-size: 12px;
  color: var(--nm-iot-t1);
  margin-top: -4px;
}

@media (max-width: 880px) {
  .nm-iot .card {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .nm-iot .left-col,
  .nm-iot .right-col,
  .nm-iot .bottom-row { grid-row: auto; grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  .nm-iot .power-ring,
  .nm-iot .power-arc,
  .nm-iot .power-line,
  .nm-iot .pill-thumb,
  .nm-iot .toggle-card-icon { transition: none; }
}
JS 
(() => {
  const root = document.querySelector('.nm-iot');
  if (!root) return;

  // Power
  const powerRing = root.querySelector('[data-nm-iot-power]');
  const status = root.querySelector('[data-nm-iot-status]');
  if (powerRing) powerRing.addEventListener('click', () => {
    const on = !powerRing.classList.contains('on');
    powerRing.classList.toggle('on', on);
    status?.classList.toggle('on', on);
    if (status) status.textContent = on ? 'SYSTEM ON' : 'STANDBY';
  });

  // Temp dial
  let temp = 22;
  const tempEl = root.querySelector('[data-nm-iot-temp]');
  const arc = root.querySelector('[data-nm-iot-thermo-arc]');
  root.querySelectorAll('[data-nm-iot-temp-adj]').forEach(btn => {
    btn.addEventListener('click', () => {
      const d = parseInt(btn.dataset.nmIotTempAdj, 10) || 0;
      temp = Math.max(16, Math.min(32, temp + d));
      if (tempEl) tempEl.innerHTML = temp + '<span class="temp-unit">°</span>';
      const pct = (temp - 16) / 16;
      if (arc) arc.setAttribute('stroke-dasharray', (pct * 260) + ' 360');
    });
  });

  // Mode chips
  root.querySelectorAll('[data-nm-iot-mode]').forEach(chip => {
    chip.addEventListener('click', () => {
      root.querySelectorAll('[data-nm-iot-mode]').forEach(c => c.classList.remove('active'));
      chip.classList.add('active');
    });
  });

  // Scene buttons
  root.querySelectorAll('[data-nm-iot-scene]').forEach(btn => {
    btn.addEventListener('click', () => {
      root.querySelectorAll('[data-nm-iot-scene]').forEach(s => s.classList.remove('active'));
      btn.classList.add('active');
    });
  });

  // Sliders
  root.querySelectorAll('[data-nm-iot-slider]').forEach(input => {
    const key = input.dataset.nmIotSlider;
    const suffix = input.dataset.suffix || '';
    const fill = root.querySelector('[data-nm-iot-slider-fill="' + key + '"]');
    const thumb = root.querySelector('[data-nm-iot-slider-thumb="' + key + '"]');
    const val = root.querySelector('[data-nm-iot-slider-val="' + key + '"]');
    input.addEventListener('input', () => {
      const pct = (input.value - input.min) / (input.max - input.min) * 100;
      if (fill) fill.style.width = pct + '%';
      if (thumb) thumb.style.left = 'calc(' + pct + '% - 10px)';
      if (val) val.textContent = parseInt(input.value, 10) + suffix;
    });
  });

  // Tick marks on thermostat
  const ticks = root.querySelector('[data-nm-iot-ticks]');
  if (ticks && !ticks.children.length) {
    const svgNS = 'http://www.w3.org/2000/svg';
    for (let t = 0; t <= 20; t++) {
      const a = Math.PI * (-225 + t * 13.5) / 180;
      const r1 = 96, r2 = t % 5 === 0 ? 88 : 92;
      const line = document.createElementNS(svgNS, 'line');
      line.setAttribute('x1', String(100 + r1 * Math.cos(a)));
      line.setAttribute('y1', String(100 + r1 * Math.sin(a)));
      line.setAttribute('x2', String(100 + r2 * Math.cos(a)));
      line.setAttribute('y2', String(100 + r2 * Math.sin(a)));
      line.setAttribute('stroke', t / 20 < 0.68 ? '#00cec9' : '#2e3a48');
      line.setAttribute('stroke-width', t % 5 === 0 ? '2.5' : '1.5');
      line.setAttribute('stroke-linecap', 'round');
      ticks.appendChild(line);
    }
  }

  // Device toggles
  root.querySelectorAll('[data-nm-iot-device]').forEach(card => {
    card.addEventListener('click', () => card.classList.toggle('on'));
  });

  // Mini dials — render + drag
  const dialSpec = [
    { lbl: 'Color Temp',   start: -60, min: 2700, max: 6500, unit: 'K' },
    { lbl: 'Ambience',     start:  30, min:    0, max:  100, unit: '%' },
    { lbl: 'Eco Limit',    start: -10, min:    0, max:  100, unit: '%' },
    { lbl: 'Sleep Delay',  start:  80, min:    0, max:   60, unit: 'm' },
    { lbl: 'Noise Gate',   start: -90, min:   20, max:   80, unit: 'dB' },
  ];
  const dialsRow = root.querySelector('[data-nm-iot-dials]');
  dialSpec.forEach(({ lbl, start, min, max, unit }) => {
    const pct = (start + 140) / 280;
    const initVal = Math.round(min + pct * (max - min));
    const g = document.createElement('div');
    g.className = 'mini-dial-group';
    g.innerHTML =
      '<div class="mini-dial">' +
      '  <div class="mini-dial-inner"></div>' +
      '  <div class="mini-dial-dot" style="transform:translateX(-50%) rotate(' + start + 'deg)"></div>' +
      '</div>' +
      '<div class="mini-dial-lbl">' + lbl + '</div>' +
      '<div class="mini-dial-val">' + initVal + unit + '</div>';
    dialsRow.appendChild(g);

    const dial = g.querySelector('.mini-dial');
    const dot = g.querySelector('.mini-dial-dot');
    const valEl = g.querySelector('.mini-dial-val');
    let angle = start, dragging = false, sy = 0, sa = start;
    dial.addEventListener('mousedown', e => {
      dragging = true; sy = e.clientY; sa = angle;
      document.body.style.cursor = 'grabbing';
      e.preventDefault();
    });
    document.addEventListener('mousemove', e => {
      if (!dragging) return;
      angle = Math.max(-140, Math.min(140, sa - (e.clientY - sy) * 1.5));
      dot.style.transform = 'translateX(-50%) rotate(' + angle + 'deg)';
      const p = (angle + 140) / 280;
      const v = Math.round(min + p * (max - min));
      valEl.textContent = v + unit;
    });
    document.addEventListener('mouseup', () => {
      if (dragging) { dragging = false; document.body.style.cursor = ''; }
    });
  });
})();