:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #050807;
  --panel: rgba(9, 15, 13, 0.92);
  --panel-soft: #0c1411;
  --text: #f2faf6;
  --muted: #8b9d95;
  --line: rgba(175, 255, 220, 0.12);
  --accent: #67f2ba;
  --accent-2: #c7f5ff;
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    linear-gradient(rgba(112, 242, 185, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(112, 242, 185, 0.025) 1px, transparent 1px),
    radial-gradient(circle at 50% -15%, rgba(74, 233, 171, 0.13), transparent 40%),
    var(--bg);
  background-size: 42px 42px, 42px 42px, auto, auto;
}

button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.ambient {
  position: fixed;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  opacity: 0.12;
}

.ambient-one { top: -250px; left: -180px; background: var(--accent); }
.ambient-two { right: -260px; bottom: -300px; background: #75dfff; }

.shell {
  position: relative;
  z-index: 1;
  width: min(100% - 32px, 760px);
  min-height: 100vh;
  margin: 0 auto;
  padding: max(30px, env(safe-area-inset-top)) 0 max(28px, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.brand {
  position: absolute;
  top: max(28px, env(safe-area-inset-top));
  left: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  width: 46px;
  height: 46px;
  border: 1px solid rgba(103, 242, 186, 0.25);
  border-radius: 13px;
  object-fit: cover;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.42);
}

.brand span { display: flex; flex-direction: column; line-height: 1; }
.brand b { font-size: 18px; letter-spacing: 0.16em; }
.brand small { margin-top: 6px; color: var(--accent); font-size: 7px; font-weight: 900; letter-spacing: 0.28em; }

.portal-card {
  position: relative;
  width: min(100%, 600px);
  padding: clamp(28px, 5vw, 44px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(150deg, rgba(18, 29, 25, 0.93), rgba(6, 10, 9, 0.97));
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.48), inset 0 1px rgba(255, 255, 255, 0.025);
  animation: card-in 420ms cubic-bezier(.2,.8,.2,1) both;
}

.portal-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 28px;
  width: 70px;
  height: 1px;
  background: var(--accent);
  box-shadow: 0 0 20px rgba(103, 242, 186, 0.6);
}

.signal { display: flex; align-items: center; gap: 8px; color: var(--accent); font-size: 9px; font-weight: 900; letter-spacing: 0.16em; }
.signal i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 14px var(--accent); animation: pulse 2s ease-in-out infinite; }

h1 { margin: 18px 0 7px; font-size: clamp(30px, 7vw, 48px); line-height: 1; letter-spacing: -0.045em; }
.portal-card > p, .download-heading p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }

form { margin-top: 28px; }
label { display: block; margin-bottom: 9px; color: #bdccc5; font-size: 10px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }

.code-field {
  height: 58px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.28);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.code-field:focus-within { border-color: rgba(103, 242, 186, 0.5); box-shadow: 0 0 0 4px rgba(103, 242, 186, 0.06); }
.code-field span { color: var(--accent); font-weight: 900; }
.code-field input { width: 100%; height: 100%; padding: 0; border: 0; outline: 0; color: var(--text); background: transparent; font-family: Consolas, "SFMono-Regular", monospace; font-size: 15px; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; }
.code-field input::placeholder { color: #53615b; opacity: 1; }

.message { min-height: 28px; padding: 7px 2px 0; color: #ff9e9e; font-size: 11px; }

#access-submit {
  width: 100%;
  min-height: 54px;
  padding: 0 18px;
  border: 0;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: #03110b;
  background: linear-gradient(110deg, var(--accent), var(--accent-2));
  box-shadow: 0 16px 34px rgba(77, 228, 166, 0.13);
  font-weight: 900;
  cursor: pointer;
  transition: transform 150ms ease, filter 150ms ease;
}

#access-submit:hover { transform: translateY(-1px); filter: brightness(1.05); }
#access-submit:disabled { cursor: wait; filter: saturate(0.45); opacity: 0.72; }
.access-card footer { margin-top: 19px; display: flex; align-items: center; justify-content: center; gap: 7px; color: #63736b; font-size: 9px; }
.access-card footer i { width: 6px; height: 6px; border: 1px solid var(--accent); border-radius: 50%; }

.download-card { width: min(100%, 680px); }
.download-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.download-heading h1 { font-size: clamp(28px, 6vw, 42px); }
.version-pill { padding: 8px 11px; border: 1px solid rgba(103, 242, 186, 0.18); border-radius: 999px; color: var(--accent); background: rgba(103, 242, 186, 0.06); font-size: 10px; font-weight: 900; white-space: nowrap; }

.downloads { margin-top: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.download-option { min-height: 84px; padding: 14px; border: 1px solid var(--line); border-radius: 16px; display: grid; grid-template-columns: 42px minmax(0, 1fr) 22px; align-items: center; gap: 11px; color: var(--text); background: rgba(255, 255, 255, 0.018); text-decoration: none; transition: transform 160ms ease, border-color 160ms ease, background 160ms ease; }
.download-option:hover { transform: translateY(-2px); border-color: rgba(103, 242, 186, 0.32); background: rgba(103, 242, 186, 0.045); }
.download-option.disabled { pointer-events: none; filter: grayscale(1); opacity: 0.42; }
.download-option em { color: var(--accent); font-size: 22px; font-style: normal; }
.platform-copy { min-width: 0; display: flex; flex-direction: column; gap: 5px; }
.platform-copy b { font-size: 13px; }
.platform-copy small { overflow: hidden; color: var(--muted); font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.platform-icon { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; color: var(--accent); background: rgba(103, 242, 186, 0.075); }
.windows-icon { padding: 11px; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 2px; }
.windows-icon i { width: 100%; height: 100%; background: currentColor; }
.android-icon i { position: relative; width: 21px; height: 16px; border-radius: 5px 5px 3px 3px; background: currentColor; }
.android-icon i::before, .android-icon i::after { content: ""; position: absolute; top: -5px; width: 1px; height: 7px; background: currentColor; }
.android-icon i::before { left: 4px; transform: rotate(-30deg); }
.android-icon i::after { right: 4px; transform: rotate(30deg); }

.release-notes { margin-top: 18px; padding: 18px; border: 1px solid rgba(255,255,255,0.045); border-radius: 15px; background: rgba(0, 0, 0, 0.19); }
.release-notes > span { color: #677970; font-size: 8px; font-weight: 900; letter-spacing: 0.16em; }
.release-notes ul { margin: 12px 0 0; padding: 0; display: grid; gap: 8px; list-style: none; }
.release-notes li { position: relative; padding-left: 16px; color: #b8c7c0; font-size: 10px; line-height: 1.45; }
.release-notes li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 900; }

.session-line { margin-top: 17px; display: flex; align-items: center; justify-content: space-between; gap: 12px; color: #6f8078; font-size: 9px; }
.session-line b { color: #aebeb6; font-family: Consolas, monospace; }
.session-line button { padding: 7px 10px; border: 0; color: #92a39b; background: transparent; font-size: 9px; cursor: pointer; }
.session-line button:hover { color: var(--text); }
.page-mark { position: absolute; right: 0; bottom: max(24px, env(safe-area-inset-bottom)); color: #405049; font-size: 7px; font-weight: 800; letter-spacing: 0.2em; }

@keyframes card-in { from { opacity: 0; transform: translateY(16px) scale(.985); } to { opacity: 1; transform: none; } }
@keyframes pulse { 50% { opacity: .35; box-shadow: 0 0 5px var(--accent); } }

@media (max-width: 620px) {
  .shell { width: min(100% - 22px, 520px); padding-top: 96px; justify-content: flex-start; }
  .brand { left: 6px; }
  .portal-card { padding: 28px 20px; border-radius: 20px; }
  .downloads { grid-template-columns: 1fr; }
  .download-heading { align-items: flex-start; }
  .page-mark { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; transition-duration: 1ms !important; }
}