Concept E - Futuristic Dashboard Intro

:root {
  --bg: #07111d;
  --panel: rgba(18, 31, 49, 0.72);
  --line: #2a4462;
  --text: #edf5ff;
  --muted: #bcd0e8;
  --accent: #79e5ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Lucida Console", "Monaco", monospace;
  background: radial-gradient(circle at 12% 10%, rgba(121, 229, 255, 0.18), transparent 42%),
    radial-gradient(circle at 84% 86%, rgba(91, 123, 255, 0.2), transparent 46%), var(--bg);
}

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 1rem;
  background: rgba(7, 17, 29, 0.66);
  backdrop-filter: blur(8px);
}

.topbar a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

.toggle {
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  font-family: inherit;
}

main {
  width: min(1120px, 94%);
  margin: 0 auto;
  padding-top: 3.6rem;
}

.hero {
  display: grid;
  gap: 0.7rem;
}
.kicker {
  margin: 0;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 8vw, 5.6rem);
  line-height: 0.92;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  max-width: 60ch;
}

.grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem;
  background: var(--panel);
  backdrop-filter: blur(8px);
}

.metric h2,
.timeline h2 {
  margin: 0;
  font-size: 1.05rem;
}

.value {
  margin: 0.6rem 0 0;
  font-size: clamp(1.5rem, 3.8vw, 2.6rem);
  color: var(--accent);
}

.hint {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.timeline {
  grid-column: span 3;
}

.line {
  margin-top: 0.8rem;
  height: 110px;
  border-radius: 10px;
  border: 1px solid rgba(121, 229, 255, 0.35);
  background: linear-gradient(180deg, rgba(121, 229, 255, 0.13), transparent),
    repeating-linear-gradient(90deg, rgba(121, 229, 255, 0.16) 0 2px, transparent 2px 20px);
  position: relative;
  overflow: hidden;
}

.line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(121, 229, 255, 0.36), transparent);
  animation: scan 2.2s linear infinite;
}

body.no-motion .line::after {
  animation: none;
}

@keyframes scan {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(100%);
  }
}

@media (max-width: 920px) {
  .grid {
    grid-template-columns: 1fr;
  }
  .timeline {
    grid-column: span 1;
  }
}

if (!window.MotionPreference) {
  const __mql = window.matchMedia("(prefers-reduced-motion: reduce)");
  const __listeners = new Set();

  const MotionPreference = {
    prefersReducedMotion() {
      return __mql.matches;
    },
    setOverride(value) {
      const reduced = Boolean(value);
      document.documentElement.classList.toggle("reduced-motion", reduced);
      window.dispatchEvent(new CustomEvent("motion-preference", { detail: { reduced } }));
      for (const listener of __listeners) {
        try {
          listener({ reduced, override: reduced, systemReduced: __mql.matches });
        } catch {}
      }
    },
    onChange(listener) {
      __listeners.add(listener);
      try {
        listener({
          reduced: __mql.matches,
          override: null,
          systemReduced: __mql.matches,
        });
      } catch {}
      return () => __listeners.delete(listener);
    },
    getState() {
      return { reduced: __mql.matches, override: null, systemReduced: __mql.matches };
    },
  };

  window.MotionPreference = MotionPreference;
}

const toggle = document.getElementById("motionToggle");
let noMotion = window.MotionPreference.prefersReducedMotion();

function formatValue(rawTarget, value) {
  const hasDecimal = String(rawTarget).includes(".");
  if (hasDecimal) return value.toFixed(2);
  return Math.round(value).toString();
}

function animateCounters() {
  document.querySelectorAll(".value").forEach((node) => {
    const target = Number(node.dataset.target);
    if (Number.isNaN(target)) return;
    const start = performance.now();
    const duration = noMotion ? 0 : 900;

    const step = (now) => {
      const p = duration === 0 ? 1 : Math.min(1, (now - start) / duration);
      const eased = 1 - Math.pow(1 - p, 3);
      node.textContent = formatValue(target, target * eased);
      if (p < 1) requestAnimationFrame(step);
    };

    requestAnimationFrame(step);
  });
}

function applyMode() {
  document.body.classList.toggle("no-motion", noMotion);
  toggle.textContent = noMotion ? "Enable motion" : "Disable motion";
  animateCounters();
}

toggle.addEventListener("click", () => {
  noMotion = !noMotion;
  applyMode();
});

applyMode();

<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Concept E - Futuristic Dashboard Intro</title>
    <link rel="stylesheet" href="style.css" />
  </head>
  <body>
    <header class="topbar">
      <a href="../">Back to demos</a>
      <button id="motionToggle" class="toggle"></button>
    </header>

    <main>
      <section class="hero">
        <p class="kicker">Concept E</p>
        <h1>Atlas Control</h1>
        <p class="subtitle">Intro dashboard concept for mission-critical interfaces with layered telemetry modules.</p>
      </section>

      <section class="grid">
        <article class="panel metric">
          <h2>System Uptime</h2>
          <p class="value" data-target="99.97">0</p>
          <p class="hint">rolling 30-day</p>
        </article>
        <article class="panel metric">
          <h2>Throughput</h2>
          <p class="value" data-target="18340">0</p>
          <p class="hint">events / min</p>
        </article>
        <article class="panel metric">
          <h2>Active Nodes</h2>
          <p class="value" data-target="128">0</p>
          <p class="hint">region cluster</p>
        </article>
        <article class="panel timeline">
          <h2>Signal Timeline</h2>
          <div class="line" id="line"></div>
        </article>
      </section>
    </main>

    <script src="script.js"></script>
      </body>
</html>