Clearance — login NGX - Andrea di Tuoro

HTML

<section class="ngx" data-ngx-root data-ngx-state="idle">
  <div class="ngx__aurora" aria-hidden="true"></div>
  <div class="ngx__grid" aria-hidden="true"></div>
  <div class="ngx__ring" aria-hidden="true"></div>
  <pre class="ngx__telemetry" data-ngx-tel>// NGX.SYNC · WAIT</pre>

  <div class="ngx__plate">
    <div class="ngx__plate-inner">
      <header class="ngx__head">
        <span class="ngx__glyph" aria-hidden="true">◈</span>
        <h1 class="ngx__h">Clearance</h1>
        <p class="ngx__lead">One channel. Encrypted edge. You vector in.</p>
      </header>

      <form class="ngx__form" id="ngx-form" novalidate>
        <label class="ngx-field">
          <span class="ngx-field__label">Identifier</span>
          <input
            class="ngx-field__input"
            type="email"
            name="email"
            id="ngx-mail"
            autocomplete="username"
            inputmode="email"
            placeholder=""
            data-ngx-mail
            required
          />
          <span class="ngx-field__rail" aria-hidden="true"></span>
        </label>

        <div class="ngx-field">
          <div class="ngx-field__row">
            <label class="ngx-field__stretch" for="ngx-pass">
              <span class="ngx-field__label">Token</span>
            </label>
            <button type="button" class="ngx-unseal" data-ngx-unseal aria-pressed="false" aria-controls="ngx-pass">
              <span class="ngx-unseal__t">Unseal</span>
            </button>
          </div>
          <div class="ngx-secret">
            <input
              class="ngx-field__input ngx-field__input--token"
              type="password"
              name="password"
              id="ngx-pass"
              autocomplete="current-password"
              placeholder=""
              data-ngx-pass
              required
            />
            <span class="ngx-field__rail" aria-hidden="true"></span>
          </div>
          <div class="ngx-spectrum" data-ngx-spectrum data-score="0" aria-label="Token density">
            <span class="ngx-spectrum__cap"></span>
            <span class="ngx-spectrum__cap"></span>
            <span class="ngx-spectrum__cap"></span>
            <span class="ngx-spectrum__cap"></span>
            <span class="ngx-spectrum__cap"></span>
          </div>
        </div>

        <div class="ngx__meta">
          <label class="ngx-persist">
            <input type="checkbox" name="remember" class="ngx-persist__chk" />
            <span class="ngx-persist__ui" aria-hidden="true"></span>
            <span class="ngx-persist__txt">Bind this shell</span>
          </label>
          <a class="ngx-ghost" href="#" tabindex="-1">Recover token</a>
        </div>

        <button type="submit" class="ngx-beam" data-ngx-send>
          <span class="ngx-beam__label">Transmit</span>
          <span class="ngx-beam__sheen" aria-hidden="true"></span>
        </button>
      </form>
    </div>
  </div>
</section>

CSS

@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Syne:wght@500;600;700;800&display=swap");

@property --spin {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}

.ngx {
  --void: #030308;
  --mist: rgba(232, 240, 255, 0.06);
  --line: rgba(255, 255, 255, 0.1);
  --ink: #f0f4ff;
  --dim: #7a849e;
  --hot: #7cf0ff;
  --hot2: #c4a7ff;
  --ok: #5ef5c3;
  --mx: 50%;
  --my: 45%;
  --spin: 0deg;
  font-family: Syne, ui-sans-serif, system-ui, sans-serif;
  color: var(--ink);
  min-height: min(100vh, 40rem);
  width: min(100%, 28rem);
  margin: 0 auto;
  position: relative;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 2rem);
  isolation: isolate;
  overflow: hidden;
}

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

.ngx__aurora {
  --spin: 0deg;
  position: absolute;
  inset: -40%;
  z-index: 0;
  background:
    radial-gradient(ellipse 55% 42% at var(--mx) var(--my), rgba(124, 240, 255, 0.14), transparent 55%),
    radial-gradient(ellipse 40% 36% at 72% 34%, rgba(196, 167, 255, 0.12), transparent 50%),
    conic-gradient(from var(--spin) at 50% 50%, rgba(124, 240, 255, 0.07), transparent 28%, rgba(196, 167, 255, 0.06), transparent 62%, rgba(94, 245, 195, 0.05), transparent 88%);
  animation: ngx-spin 48s linear infinite;
  pointer-events: none;
}

@keyframes ngx-spin {
  from {
    --spin: 0deg;
  }
  to {
    --spin: 360deg;
  }
}

.ngx__grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 65% at 50% 48%, black 0%, transparent 72%);
  pointer-events: none;
}

.ngx__ring {
  position: absolute;
  left: 50%;
  top: 44%;
  width: min(120vw, 52rem);
  height: min(120vw, 52rem);
  transform: translate(-50%, -50%);
  z-index: 1;
  border: 1px solid rgba(124, 240, 255, 0.07);
  border-radius: 50%;
  pointer-events: none;
  animation: ngx-pulse 7s ease-in-out infinite;
}

.ngx__ring::after {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px dashed rgba(196, 167, 255, 0.11);
  border-radius: 50%;
  animation: ngx-pulse 11s ease-in-out infinite reverse;
}

@keyframes ngx-pulse {
  0%,
  100% {
    opacity: 0.55;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.03);
  }
}

.ngx__telemetry {
  position: absolute;
  left: clamp(0.75rem, 3vw, 1.25rem);
  top: clamp(0.75rem, 3vw, 1.25rem);
  z-index: 4;
  margin: 0;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(124, 240, 255, 0.55);
  white-space: pre;
  pointer-events: none;
}

.ngx__plate {
  position: relative;
  z-index: 3;
  width: 100%;
  border-radius: 1.35rem;
  padding: 1px;
  background: linear-gradient(135deg, rgba(124, 240, 255, 0.35), rgba(196, 167, 255, 0.2), rgba(94, 245, 195, 0.15));
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.5),
    0 28px 80px -40px rgba(0, 0, 0, 0.9),
    0 0 120px -60px rgba(124, 240, 255, 0.25);
}

.ngx__plate-inner {
  border-radius: calc(1.35rem - 1px);
  background: rgba(6, 8, 18, 0.72);
  backdrop-filter: blur(22px) saturate(1.2);
  -webkit-backdrop-filter: blur(22px) saturate(1.2);
  padding: clamp(1.35rem, 4vw, 2rem);
  border: 1px solid var(--mist);
}

.ngx__head {
  text-align: center;
  margin-bottom: 1.65rem;
}

.ngx__glyph {
  display: inline-block;
  font-size: 1.35rem;
  color: var(--hot);
  text-shadow: 0 0 24px rgba(124, 240, 255, 0.45);
  animation: ngx-breathe 4s ease-in-out infinite;
}

@keyframes ngx-breathe {
  0%,
  100% {
    opacity: 0.85;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.06);
  }
}

.ngx__h {
  margin: 0.35rem 0 0;
  font-size: clamp(1.65rem, 5vw, 2.05rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.ngx__lead {
  margin: 0.55rem 0 0;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--dim);
  max-width: 20rem;
  margin-inline: auto;
}

.ngx__form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.ngx-field {
  display: flex;
  flex-direction: column;
  gap: 0.38rem;
  position: relative;
}

.ngx-field__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
}

.ngx-field__stretch {
  flex: 1;
  margin: 0;
  cursor: pointer;
}

.ngx-field__label {
  display: block;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(122, 132, 158, 0.95);
}

.ngx-field__input {
  width: 100%;
  padding: 0.72rem 0 0.5rem;
  font: inherit;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink);
  background: transparent;
  border: none;
  outline: none;
  caret-color: var(--hot);
}

.ngx-field__input::placeholder {
  color: transparent;
}

.ngx-field__rail {
  display: block;
  height: 2px;
  margin-top: 0.15rem;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--hot), var(--hot2));
  transform-origin: left center;
  transform: scaleX(0.15);
  opacity: 0.45;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.35s ease;
}

.ngx-field:focus-within .ngx-field__rail {
  transform: scaleX(1);
  opacity: 1;
}

.ngx-secret {
  position: relative;
}

.ngx-unseal {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--hot);
  background: rgba(124, 240, 255, 0.08);
  border: 1px solid rgba(124, 240, 255, 0.22);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.ngx-unseal:hover {
  background: rgba(124, 240, 255, 0.14);
  border-color: rgba(124, 240, 255, 0.4);
}

.ngx-unseal[aria-pressed="true"] {
  color: var(--hot2);
  border-color: rgba(196, 167, 255, 0.45);
}

.ngx-spectrum {
  display: flex;
  gap: 4px;
  margin-top: 0.35rem;
  height: 4px;
}

.ngx-spectrum__cap {
  flex: 1;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.06);
  transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.ngx-spectrum[data-score="1"] .ngx-spectrum__cap:nth-child(-n + 1),
.ngx-spectrum[data-score="2"] .ngx-spectrum__cap:nth-child(-n + 2),
.ngx-spectrum[data-score="3"] .ngx-spectrum__cap:nth-child(-n + 3),
.ngx-spectrum[data-score="4"] .ngx-spectrum__cap:nth-child(-n + 4),
.ngx-spectrum[data-score="5"] .ngx-spectrum__cap:nth-child(-n + 5) {
  background: linear-gradient(90deg, var(--hot), var(--hot2));
  box-shadow: 0 0 12px rgba(124, 240, 255, 0.35);
  transform: scaleY(1.35);
}

.ngx__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.ngx-persist {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  font-size: 0.72rem;
  color: var(--dim);
  user-select: none;
}

.ngx-persist__chk {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.ngx-persist__ui {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 0.2rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.ngx-persist__chk:checked + .ngx-persist__ui {
  background: rgba(124, 240, 255, 0.2);
  border-color: var(--hot);
  box-shadow: 0 0 12px rgba(124, 240, 255, 0.25);
}

.ngx-persist__chk:focus-visible + .ngx-persist__ui {
  outline: 2px solid var(--hot);
  outline-offset: 2px;
}

.ngx-ghost {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(196, 167, 255, 0.85);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}

.ngx-ghost:hover {
  border-bottom-color: rgba(196, 167, 255, 0.4);
  color: var(--hot2);
}

.ngx-beam {
  position: relative;
  margin-top: 0.35rem;
  width: 100%;
  padding: 0.88rem 1.25rem;
  border: none;
  border-radius: 0.65rem;
  cursor: pointer;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #031016;
  background: linear-gradient(105deg, var(--hot) 0%, #8ae8ff 35%, var(--hot2) 100%);
  background-size: 200% 100%;
  overflow: hidden;
  transition: background-position 0.5s ease, transform 0.15s ease, box-shadow 0.35s ease;
  box-shadow:
    0 0 40px -12px rgba(124, 240, 255, 0.55),
    0 1px 0 rgba(255, 255, 255, 0.35) inset;
}

.ngx-beam:hover {
  background-position: 100% 0;
  box-shadow:
    0 0 56px -8px rgba(124, 240, 255, 0.65),
    0 1px 0 rgba(255, 255, 255, 0.45) inset;
}

.ngx-beam:active {
  transform: scale(0.985);
}

.ngx-beam__sheen {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 0%, rgba(255, 255, 255, 0.35) 48%, transparent 96%);
  transform: translateX(-100%);
  animation: ngx-sheen 3.2s ease-in-out infinite;
  pointer-events: none;
}

@keyframes ngx-sheen {
  0% {
    transform: translateX(-120%);
  }
  40%,
  100% {
    transform: translateX(120%);
  }
}

.ngx[data-ngx-state="sent"] .ngx-beam {
  background: linear-gradient(105deg, var(--ok), #8cf5d0);
  box-shadow: 0 0 48px -6px rgba(94, 245, 195, 0.55);
}

.ngx[data-ngx-state="sent"] .ngx-beam__sheen {
  animation: none;
  opacity: 0;
}

.ngx[data-ngx-state="sent"] .ngx__plate {
  animation: ngx-win 0.9s ease forwards;
}

@keyframes ngx-win {
  0% {
    filter: brightness(1);
  }
  40% {
    filter: brightness(1.15) drop-shadow(0 0 20px rgba(94, 245, 195, 0.4));
  }
  100% {
    filter: brightness(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ngx__aurora,
  .ngx__ring,
  .ngx__ring::after,
  .ngx__glyph,
  .ngx-beam__sheen {
    animation: none;
  }

  .ngx-field__rail {
    transition: none;
  }
}

(function () {
  const root = document.querySelector("[data-ngx-root]");
  if (!root) return;

  const tel = root.querySelector("[data-ngx-tel]");
  const mail = root.querySelector("[data-ngx-mail]");
  const pass = root.querySelector("[data-ngx-pass]");
  const unseal = root.querySelector("[data-ngx-unseal]");
  const unsealT = root.querySelector(".ngx-unseal__t");
  const spectrum = root.querySelector("[data-ngx-spectrum]");
  const form = root.querySelector("#ngx-form");
  const send = root.querySelector("[data-ngx-send]");
  const sendLabel = root.querySelector(".ngx-beam__label");

  const scorePass = (v) => {
    let s = 0;
    if (v.length >= 6) s++;
    if (v.length >= 10) s++;
    if (/[a-z]/.test(v) && /[A-Z]/.test(v)) s++;
    if (/\d/.test(v)) s++;
    if (/[^a-zA-Z0-9]/.test(v)) s++;
    return Math.min(5, s);
  };

  const paintSpectrum = () => {
    if (!spectrum || !pass) return;
    spectrum.dataset.score = String(scorePass(pass.value));
  };

  const setAurora = (x, y) => {
    const r = root.getBoundingClientRect();
    const px = ((x - r.left) / r.width) * 100;
    const py = ((y - r.top) / r.height) * 100;
    root.style.setProperty("--mx", `${Math.max(8, Math.min(92, px)).toFixed(2)}%`);
    root.style.setProperty("--my", `${Math.max(8, Math.min(92, py)).toFixed(2)}%`);
  };

  const tickTel = (x, y) => {
    if (!tel) return;
    const hx = (x >>> 0).toString(16).slice(-4).padStart(4, "0");
    const hy = (y >>> 0).toString(16).slice(-4).padStart(4, "0");
    tel.textContent = `// NGX · VEC 0x${hx}:${hy} · ${document.activeElement === mail ? "ID" : document.activeElement === pass ? "TK" : "—"}`;
  };

  let lx = window.innerWidth * 0.5;
  let ly = window.innerHeight * 0.45;

  window.addEventListener(
    "mousemove",
    (e) => {
      lx = e.clientX;
      ly = e.clientY;
      setAurora(lx, ly);
      tickTel(Math.floor(lx), Math.floor(ly));
    },
    { passive: true }
  );

  setAurora(lx, ly);
  tickTel(Math.floor(lx), Math.floor(ly));

  mail?.addEventListener("input", paintSpectrum);
  pass?.addEventListener("input", paintSpectrum);
  mail?.addEventListener("focus", () => tickTel(Math.floor(lx), Math.floor(ly)));
  pass?.addEventListener("focus", () => tickTel(Math.floor(lx), Math.floor(ly)));

  unseal?.addEventListener("click", () => {
    const open = pass?.type === "password";
    if (pass) pass.type = open ? "text" : "password";
    unseal.setAttribute("aria-pressed", open ? "true" : "false");
    if (unsealT) unsealT.textContent = open ? "Seal" : "Unseal";
  });

  form?.addEventListener("submit", (e) => {
    e.preventDefault();
    if (!form.checkValidity()) {
      form.reportValidity();
      return;
    }
    root.dataset.ngxState = "sent";
    if (sendLabel) sendLabel.textContent = "Locked in";
    if (send) send.disabled = true;
    window.setTimeout(() => {
      root.dataset.ngxState = "idle";
      if (sendLabel) sendLabel.textContent = "Transmit";
      if (send) send.disabled = false;
    }, 2200);
  });

  paintSpectrum();
})();