*, *::before, *::after { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; }
  :root {
    --ink: #060912;
    --bg: #0A0E1A;
    --bg-card: #0E1426;
    --line: rgba(255,255,255,0.07);
    --line-strong: rgba(255,255,255,0.14);
    --fg: #F4EFE3;
    --fg-soft: rgba(244,239,227,0.78);
    --fg-muted: rgba(244,239,227,0.50);
    --fg-faint: rgba(244,239,227,0.32);
    --gradify: #7AC043;
    --gradify-soft: rgba(122,192,67,0.16);
    --gradify-dim: rgba(122,192,67,0.42);
    --gradify-glow: rgba(122,192,67,0.55);
    --gradify-ink: #0C140A;
    --family: #FF6F4D;
    --school: #6BA0F5;
    --community: #4DD4B3;
    --sans: "Inter", ui-sans-serif, system-ui, sans-serif;
    --serif: "Instrument Serif", "Times New Roman", serif;
    --mono: "JetBrains Mono", ui-monospace, monospace;
    --ease: cubic-bezier(0.22,0.61,0.36,1);
  }

  body {
    background: var(--ink);
    color: var(--fg);
    font-family: var(--sans);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    min-height: 100vh;
  }
  ::selection { background: var(--gradify); color: var(--gradify-ink); }
  a { color: inherit; text-decoration: none; }
  input, button { font: inherit; }

  /* ---- fixed deep-space field behind everything ---- */
  .m-field {
    position: fixed; inset: 0; z-index: 0; pointer-events: none;
    background:
      radial-gradient(620px 460px at 84% 6%, rgba(122,192,67,0.12), transparent 60%),
      radial-gradient(520px 420px at 6% 0%, rgba(255,111,77,0.06), transparent 58%),
      radial-gradient(620px 560px at 50% 116%, rgba(77,212,179,0.07), transparent 62%),
      var(--ink);
  }
  .m-field::after {
    content: ""; position: absolute; inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.028) 1px, transparent 1px);
    background-size: 3px 3px; opacity: 0.6;
  }
  .m-stars { position: absolute; inset: 0; }
  .m-stars i {
    position: absolute; width: 2px; height: 2px; border-radius: 50%;
    background: rgba(255,255,255,0.7);
    animation: m-blink 4s ease-in-out infinite;
  }
  @keyframes m-blink { 0%,100% { opacity: var(--o,0.4); } 50% { opacity: calc(var(--o,0.4) * 0.25); } }

  /* ---- narrow scrolling column — plain block flow, NOT 100vh-centered ---- */
  .m-shell {
    position: relative; z-index: 1;
    width: 100%; max-width: 430px; margin: 0 auto;
    padding:
      calc(env(safe-area-inset-top) + 18px)
      max(20px, env(safe-area-inset-right))
      calc(env(safe-area-inset-bottom) + 36px)
      max(20px, env(safe-area-inset-left));
  }

  /* ---- top bar ---- */
  .m-top {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 22px;
  }
  .m-wordmark {
    font-family: var(--serif); font-size: 25px; letter-spacing: 0.01em;
    color: var(--fg); line-height: 1; display: inline-flex; align-items: center; gap: 9px;
  }
  .m-wordmark .spark {
    width: 9px; height: 9px; border-radius: 50%; background: var(--gradify);
    box-shadow: 0 0 12px var(--gradify-glow);
  }
  .m-new {
    display: inline-flex; align-items: center; gap: 7px;
    font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--fg-muted); white-space: nowrap;
  }
  .m-new .pip {
    width: 6px; height: 6px; border-radius: 50%; background: var(--gradify);
    box-shadow: 0 0 9px var(--gradify-glow); animation: m-pulse 2.6s ease-in-out infinite;
  }
  @keyframes m-pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

  /* ================= LOGIN CARD ================= */
  .m-card {
    position: relative; overflow: hidden;
    border-radius: 18px;
    border: 1px solid var(--line-strong);
    background:
      radial-gradient(380px 220px at 88% -10%, rgba(122,192,67,0.12), transparent 70%),
      linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.014)),
      var(--bg-card);
    box-shadow: 0 30px 70px -34px rgba(0,0,0,0.85), inset 0 1px 0 rgba(255,255,255,0.05);
    padding: 26px 22px;
  }
  .m-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em;
    text-transform: uppercase; color: var(--gradify); margin-bottom: 16px; white-space: nowrap;
  }
  .m-eyebrow .lock { width: 13px; height: 13px; display: block; }
  .m-card h1 {
    font-family: var(--serif); font-weight: 400; font-size: 33px; line-height: 1.12;
    letter-spacing: -0.018em; color: var(--fg); margin: 0 0 14px; text-wrap: balance;
  }
  .m-card h1 em { font-style: italic; color: var(--gradify); }
  .m-sub {
    font-size: 14px; line-height: 1.5; font-weight: 300; color: var(--fg-soft);
    margin: 0 0 12px;
  }
  .m-audience {
    display: flex; align-items: center; gap: 8px; margin: 0 0 22px;
    font-size: 12.5px; color: var(--fg-muted);
  }
  .m-audience .dot {
    width: 6px; height: 6px; border-radius: 50%; flex: none; background: var(--gradify);
    box-shadow: 0 0 8px var(--gradify-glow);
  }

  .m-form { display: flex; flex-direction: column; gap: 16px; }
  .m-group { display: flex; flex-direction: column; gap: 7px; }
  .m-label {
    font-family: var(--mono); font-size: 10px; letter-spacing: 0.13em;
    text-transform: uppercase; color: var(--fg-muted);
  }
  .m-input-wrap { position: relative; display: flex; align-items: center; }
  .m-input {
    width: 100%; height: 52px;
    background: rgba(6,9,18,0.6); border: 1px solid var(--line-strong);
    border-radius: 12px; padding: 0 16px;
    font-size: 16px; color: var(--fg); /* 16px prevents iOS zoom-on-focus */
    -webkit-appearance: none; appearance: none;
    transition: border-color .2s var(--ease), box-shadow .25s var(--ease), background .2s;
  }
  .m-input::placeholder { color: var(--fg-faint); }
  .m-input:focus {
    outline: none; border-color: var(--gradify);
    box-shadow: 0 0 0 3px var(--gradify-soft), 0 0 20px -8px var(--gradify-glow);
    background: rgba(6,9,18,0.78);
  }
  .m-input.has-toggle { padding-right: 64px; }
  .m-input:-webkit-autofill,
  .m-input:-webkit-autofill:hover,
  .m-input:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--fg);
    -webkit-box-shadow: 0 0 0 1000px rgba(14,19,34,0.96) inset, 0 0 0 3px var(--gradify-soft);
    caret-color: var(--fg);
    transition: background-color 9999s ease-out;
  }
  .m-pw-toggle {
    position: absolute; right: 7px; top: 50%; transform: translateY(-50%);
    height: 40px; min-width: 52px; padding: 0 12px; border-radius: 9px;
    font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--fg-muted); background: rgba(255,255,255,0.045); border: 1px solid var(--line);
    transition: color .2s, border-color .2s, background .2s;
  }
  .m-pw-toggle:active { background: rgba(255,255,255,0.09); color: var(--fg); }
  .m-pw-toggle:focus-visible { outline: 2px solid var(--gradify); outline-offset: 2px; }

  .m-row {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    margin-top: 2px; min-height: 44px;
  }
  .m-check {
    display: inline-flex; align-items: center; gap: 10px; cursor: pointer;
    font-size: 13.5px; color: var(--fg-soft); user-select: none;
    min-height: 44px; padding-right: 4px;
  }
  .m-check input { position: absolute; opacity: 0; width: 0; height: 0; }
  .m-check .box {
    width: 22px; height: 22px; border-radius: 7px; flex: none;
    border: 1px solid var(--line-strong); background: rgba(6,9,18,0.6);
    display: grid; place-items: center;
    transition: background .2s, border-color .2s, box-shadow .2s;
  }
  .m-check .box svg { width: 13px; height: 13px; opacity: 0; transform: scale(0.6); transition: .18s; color: var(--gradify-ink); }
  .m-check input:checked + .box { background: var(--gradify); border-color: var(--gradify); }
  .m-check input:checked + .box svg { opacity: 1; transform: scale(1); }
  .m-check input:focus-visible + .box { box-shadow: 0 0 0 3px var(--gradify-soft); }
  .m-forgot {
    font-size: 13.5px; color: var(--fg-soft); display: inline-flex; align-items: center;
    min-height: 44px; border-bottom: 1px solid transparent;
  }
  .m-forgot:active { color: var(--fg); border-bottom-color: var(--gradify-dim); }
  .m-forgot:focus-visible { outline: 2px solid var(--gradify); outline-offset: 3px; border-radius: 2px; }

  .m-submit {
    height: 52px; width: 100%; margin-top: 4px; border: none; cursor: pointer;
    border-radius: 12px; background: var(--gradify); color: var(--gradify-ink);
    font-size: 15px; font-weight: 600; letter-spacing: 0.01em;
    display: inline-flex; align-items: center; justify-content: center; gap: 9px;
    box-shadow: 0 16px 40px -16px var(--gradify-glow);
    transition: transform .15s var(--ease), filter .2s, box-shadow .25s;
  }
  .m-submit:active { transform: scale(0.985); filter: brightness(1.04); }
  .m-submit:focus-visible { outline: 2px solid var(--fg); outline-offset: 3px; }

  .m-divider {
    display: flex; align-items: center; gap: 13px; margin: 22px 0 18px;
    font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.18em;
    text-transform: uppercase; color: var(--fg-faint);
  }
  .m-divider::before, .m-divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }

  .m-secondary { display: flex; flex-direction: column; gap: 11px; }
  .m-activate {
    display: flex; align-items: center; gap: 13px; width: 100%;
    min-height: 56px; padding: 11px 15px; border-radius: 12px;
    border: 1px solid var(--line-strong); background: rgba(255,255,255,0.028);
    text-align: left; cursor: pointer;
    transition: background .2s, border-color .2s;
  }
  .m-activate:active { background: rgba(255,255,255,0.055); }
  .m-activate:focus-visible { outline: 2px solid var(--gradify); outline-offset: 2px; }
  .m-activate .ic { width: 17px; height: 17px; color: var(--gradify); flex: none; }
  .m-activate .tx { display: flex; flex-direction: column; gap: 2px; }
  .m-activate .tx .t { font-size: 14px; font-weight: 600; color: var(--fg); }
  .m-activate .tx .s {
    font-family: var(--mono); font-size: 9px; letter-spacing: 0.07em;
    text-transform: uppercase; color: var(--fg-muted);
  }

  .m-newuser {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    min-height: 56px; padding: 12px 16px; border-radius: 12px;
    border: 1px solid rgba(122,192,67,0.30);
    background: linear-gradient(180deg, rgba(122,192,67,0.11), rgba(122,192,67,0.03));
    transition: border-color .2s, box-shadow .25s;
  }
  .m-newuser:active { border-color: var(--gradify-dim); box-shadow: 0 16px 38px -22px var(--gradify-glow); }
  .m-newuser:focus-visible { outline: 2px solid var(--gradify); outline-offset: 2px; }
  .m-newuser .l { display: flex; flex-direction: column; gap: 3px; }
  .m-newuser .l .k {
    font-family: var(--mono); font-size: 9px; letter-spacing: 0.14em;
    text-transform: uppercase; color: rgba(122,192,67,0.88);
  }
  .m-newuser .l .t { font-size: 14px; font-weight: 600; color: var(--fg); }
  .m-newuser .go {
    width: 30px; height: 30px; border-radius: 50%; flex: none;
    border: 1px solid var(--gradify-dim); display: grid; place-items: center; color: var(--gradify);
  }

  .m-foot {
    display: flex; align-items: center; gap: 7px 14px; flex-wrap: wrap;
    margin-top: 20px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.09em;
    text-transform: uppercase; color: var(--fg-faint);
  }
  .m-foot a { display: inline-flex; min-height: 30px; align-items: center; }
  .m-foot a:active { color: var(--fg-soft); }
  .m-foot .sep { opacity: 0.4; }

  /* ================= CONDENSED ECOSYSTEM PANEL ================= */
  .m-eco {
    margin-top: 18px; border-radius: 18px;
    border: 1px solid var(--line); background: rgba(255,255,255,0.018);
    padding: 24px 20px; text-align: center;
  }
  .m-core {
    position: relative; width: 132px; height: 132px; margin: 2px auto 16px;
  }
  .m-core svg { width: 100%; height: 100%; display: block; overflow: visible; }
  .m-core .ring { animation: m-spin 64s linear infinite; transform-origin: 66px 66px; transform-box: view-box; }
  .m-core .breathe { animation: m-breathe 5.6s ease-in-out infinite; transform-origin: 66px 66px; transform-box: view-box; }
  @keyframes m-spin { to { transform: rotate(360deg); } }
  @keyframes m-breathe { 0%,100% { opacity: 0.6; transform: scale(0.97); } 50% { opacity: 1; transform: scale(1.05); } }
  .m-core-label {
    font-family: var(--mono); font-size: 9px; letter-spacing: 0.24em;
    text-transform: uppercase; color: rgba(214,240,180,0.85); margin-bottom: 18px;
  }
  .m-eco h2 {
    font-family: var(--serif); font-weight: 400; font-size: 23px; line-height: 1.16;
    letter-spacing: -0.012em; color: var(--fg); margin: 0 0 18px;
  }
  .m-eco h2 em { font-style: italic; color: var(--gradify); }

  .m-chips {
    display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 18px;
  }
  .m-chip {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 12px; border-radius: 11px;
    border: 1px solid var(--line); background: rgba(255,255,255,0.022);
  }
  .m-chip:last-child:nth-child(odd) { grid-column: 1 / -1; justify-content: center; }
  .m-chip .pip {
    width: 7px; height: 7px; border-radius: 50%; flex: none;
    background: var(--ac, var(--gradify)); box-shadow: 0 0 8px var(--ac, var(--gradify));
  }
  .m-chip .lbl {
    font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.06em;
    text-transform: uppercase; color: var(--fg-soft); text-align: left; line-height: 1.2;
  }

  .m-trust {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 11px 18px; border-radius: 999px;
    border: 1px solid rgba(122,192,67,0.28); background: rgba(122,192,67,0.06);
    font-size: 13px; font-weight: 500; color: var(--fg);
  }
  .m-trust b {
    width: 8px; height: 8px; border-radius: 50%; flex: none; background: var(--gradify);
    box-shadow: 0 0 10px var(--gradify-glow); animation: m-pulse 2.6s ease-in-out infinite;
  }

  @media (prefers-reduced-motion: reduce) {
    .m-stars i, .m-new .pip, .m-trust b, .m-core .ring, .m-core .breathe { animation: none !important; }
  }