:root {
  color-scheme: dark;
  --bg: #0a1120;
  --surface: #111b2d;
  --line: #2c3b55;
  --line-strong: #3a4e6c;
  --text: #f3f7ff;
  --muted: #91a0b8;
  --mint: #76e4c4;
  --blue: #8aa8ff;
  --danger: #ff9aae;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  color: var(--text);
  background: var(--bg);
}
* { box-sizing: border-box; }
html { min-width: 320px; }
body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(ellipse at 12% 58%, rgba(43, 203, 164, .09), transparent 40%), radial-gradient(ellipse at 93% 13%, rgba(83, 111, 190, .18), transparent 45%), var(--bg);
}
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
[hidden] { display: none !important; }
button { cursor: pointer; }
button:disabled { cursor: wait; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 4px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 88px; padding: 20px clamp(24px, 4.5vw, 72px); border-bottom: 1px solid rgba(34, 44, 64, .7); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; border-radius: 8px; }
.brand img { border-radius: 11px; box-shadow: 0 0 0 1px rgba(255, 255, 255, .06); }
.brand span { display: grid; gap: 4px; }
.brand strong { font-size: 1rem; font-weight: 700; letter-spacing: -.02em; }
.brand small { color: var(--muted); font-size: .73rem; }
.access-badge { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 999px; padding: 8px 12px; color: #b1bfd5; font-size: .73rem; }
.access-badge > span { height: 6px; width: 6px; background: var(--mint); border-radius: 50%; }
.login-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, 434px); align-items: center; gap: clamp(40px, 8vw, 126px); width: min(1120px, 100%); margin: auto; padding: 58px 32px; }
.intro { padding-top: 5px; }
.eyebrow { color: var(--muted); font-size: .68rem; font-weight: 750; letter-spacing: .14em; text-transform: uppercase; margin: 0 0 20px; }
.intro > .eyebrow { display: flex; align-items: center; gap: 9px; }
.eyebrow > span { width: 19px; height: 1px; background: var(--mint); }
h1 { font-size: clamp(2.5rem, 4.1vw, 3.5rem); font-weight: 680; letter-spacing: -.052em; line-height: 1.14; margin: 0; }
h1 > span { color: var(--mint); }
.intro-copy { max-width: 380px; margin: 22px 0 0; color: var(--muted); font-size: .92rem; line-height: 1.75; }
.contract-art { position: relative; width: min(410px, 100%); height: 257px; margin: 24px 0 -11px; isolation: isolate; }
.art-orbit { position: absolute; top: 50%; left: 47%; border: 1px solid rgba(118, 228, 196, .08); border-radius: 50%; transform: translate(-50%, -50%) rotate(-28deg); }
.art-orbit-outer { width: 388px; height: 190px; }
.art-orbit-inner { width: 326px; height: 148px; border-color: rgba(138, 168, 255, .1); }
.art-card { position: absolute; width: 238px; height: 163px; left: 47%; top: 45%; transform: translate(-50%, -50%) rotate(-6deg); background: linear-gradient(130deg, #1c2a40, #111e32); border: 1px solid #3a536d; border-radius: 17px; padding: 19px; box-shadow: 0 20px 45px #02060999, inset 0 1px 0 #ffffff0b; }
.art-card-top { display: flex; align-items: center; gap: 9px; }
.art-card-top > img { border: 1px solid var(--line); border-radius: 12px; }
.art-card-top > span { font-size: .57rem; letter-spacing: .11em; color: #d1dcec; font-weight: 750; }
.art-card-top small { display: block; color: var(--muted); margin-top: 5px; font-size: .6rem; font-weight: 400; letter-spacing: .02em; }
.art-card-top i { width: 6px; height: 6px; border-radius: 50%; background: var(--mint); margin-left: auto; box-shadow: 0 0 0 4px #76e4c410; }
.art-address { margin-top: 18px; font-family: ui-monospace, monospace; font-size: .75rem; color: var(--blue); }
.art-address span { color: #72839d; letter-spacing: .16em; margin-left: 8px; }
.art-divider { height: 1px; margin: 13px 0 11px; background: var(--line); }
.art-lines { display: flex; align-items: center; gap: 5px; }
.art-lines span { height: 4px; width: 42px; background: #26364a; border-radius: 3px; }
.art-lines span:nth-child(2) { width: 28px; }
.art-lines span:last-child { width: 33px; margin-left: auto; background: #76e4c445; }
.art-link { position: absolute; z-index: -1; border-top: 1px dashed #334d55; width: 98px; transform: rotate(-28deg); }
.art-link-top { top: 65px; right: 20px; }
.art-link-bottom { bottom: 88px; left: 1px; }
.art-node { position: absolute; width: 29px; height: 29px; background: #101c25; border: 1px solid #2c4f54; border-radius: 8px; display: grid; place-items: center; transform: rotate(-7deg); }
.art-node-top { right: 12px; top: 31px; }
.art-node-bottom { left: 1px; bottom: 57px; border-color: #37445e; background: #141a2b; }
.art-node span { width: 8px; height: 8px; border: 1px solid var(--mint); border-radius: 2px; }
.art-node-bottom span { border-color: var(--blue); }
.art-label { position: absolute; left: 74px; bottom: 12px; font-size: .52rem; letter-spacing: .18em; color: #77869d; }
.login-card { padding: 34px; background: linear-gradient(145deg, rgba(27, 42, 65, .96), rgba(17, 29, 48, .97)); border: 1px solid #3b506c; border-radius: 23px; box-shadow: 0 26px 70px #00000035, inset 0 1px 0 #ffffff0a; }
.card-icon { width: 43px; height: 43px; display: grid; place-items: center; background: #76e4c40b; border: 1px solid #76e4c425; border-radius: 13px; margin-bottom: 27px; }
.lock-icon { position: relative; display: block; width: 15px; height: 12px; border: 1.5px solid var(--mint); border-radius: 3px; margin-top: 6px; }
.lock-icon::before { content: ""; position: absolute; width: 8px; height: 8px; left: 2px; top: -8px; border: 1.5px solid var(--mint); border-bottom: 0; border-radius: 6px 6px 0 0; }
.lock-icon::after { content: ""; position: absolute; height: 3px; width: 2px; background: var(--mint); top: 3px; left: 5px; }
.login-card > .eyebrow { font-size: .63rem; margin-bottom: 9px; }
h2 { margin: 0; font-size: 1.8rem; letter-spacing: -.035em; font-weight: 660; }
.card-copy { color: var(--muted); font-size: .84rem; line-height: 1.65; margin: 10px 0 27px; }
.field + .field { margin-top: 20px; }
label { display: inline-block; color: #cdd7e8; font-size: .8rem; font-weight: 650; margin-bottom: 9px; }
input { width: 100%; min-height: 49px; padding: 12px 13px; border: 1px solid var(--line-strong); border-radius: 10px; background: #0d1728; color: var(--text); font-size: 1rem; line-height: 1.4; transition: border-color .16s, box-shadow .16s; }
input::placeholder { color: #73819a; font-size: .86rem; }
input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px #8aa8ff16; }
input[aria-invalid="true"] { border-color: #aa5167; }
input:read-only { opacity: .7; }
.password-field { position: relative; }
.password-field input { padding-right: 50px; }
.password-toggle { position: absolute; right: 3px; top: 3px; width: 43px; height: 43px; padding: 0; display: grid; place-items: center; border: none; border-radius: 8px; background: transparent; color: var(--muted); }
.password-toggle:hover { background: #192236; color: var(--text); }
.password-toggle:focus-visible { outline-offset: -2px; }
.eye-icon { position: relative; width: 18px; height: 12px; border: 1.5px solid currentColor; border-radius: 65% 65% 65% 65%; }
.eye-icon::before { content: ""; position: absolute; width: 5px; height: 5px; border: 1.5px solid currentColor; border-radius: 50%; top: 2px; left: 5px; }
.password-toggle[aria-pressed="true"] .eye-icon::after { content: ""; position: absolute; width: 22px; height: 1.5px; left: -3px; top: 4px; transform: rotate(-40deg); background: currentColor; box-shadow: 0 1px #090e18; }
.form-error { margin: 17px 0 0; color: #ffc2cf; border: 1px solid #ff7a9040; border-radius: 9px; padding: 11px 12px; background: #ff7a9009; font-size: .8rem; line-height: 1.55; overflow-wrap: anywhere; }
.submit-button { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; min-height: 49px; margin-top: 25px; padding: 12px 16px; border: 1px solid var(--mint); border-radius: 10px; background: var(--mint); color: #061b15; box-shadow: 0 7px 22px #2bcba415; font-size: .86rem; font-weight: 750; transition: background .15s, transform .15s; }
.submit-button:hover:not(:disabled) { background: #8cebd1; transform: translateY(-1px); }
.submit-button:active:not(:disabled) { transform: translateY(0); }
.submit-button:disabled { opacity: .7; }
.button-arrow { font-size: 1.05rem; font-weight: 400; }
.button-spinner { width: 15px; height: 15px; border: 2px solid #061b1540; border-top-color: #061b15; border-radius: 50%; animation: spin .75s linear infinite; }
.totp-intro { display:flex; align-items:center; gap:12px; margin:8px 0 19px; padding:13px 14px; border:1px solid rgba(118,228,196,.25); border-radius:13px; background:rgba(118,228,196,.06); }
.totp-icon { display:grid; place-items:center; flex:0 0 38px; width:38px; height:38px; border-radius:11px; color:var(--mint); background:rgba(118,228,196,.1); font-size:1.1rem; }
.totp-intro strong,.totp-intro small { display:block; }
.totp-intro strong { font-size:.82rem; }
.totp-intro small { margin-top:3px; color:var(--muted); font-size:.72rem; }
.totp-account { margin:0 0 18px; color:var(--muted); font-size:.77rem; }
.totp-account strong { color:var(--text); }
.totp-back { display:block; margin:14px auto 0; padding:8px 12px; border:0; border-radius:8px; background:transparent; color:var(--blue); font-size:.76rem; }
.totp-back:hover { background:rgba(138,168,255,.07); }
#loginForm:not([hidden]),#totpForm:not([hidden]) { animation:login-step-enter .28s ease-out both; }
@keyframes login-step-enter { from { opacity:0; transform:translateY(7px); } to { opacity:1; transform:translateY(0); } }
.wallet-note { display: flex; align-items: flex-start; gap: 10px; border-top: 1px solid var(--line); margin-top: 27px; padding-top: 21px; }
.note-icon { display: grid; place-items: center; flex: 0 0 15px; height: 15px; margin-top: 3px; border: 1px solid #60718e; border-radius: 50%; color: #a0aec5; font-family: Georgia, serif; font-size: .64rem; font-style: italic; }
.wallet-note p { color: var(--muted); font-size: .73rem; line-height: 1.65; margin: 0; }
.page-footer { display: flex; justify-content: space-between; gap: 20px; padding: 22px clamp(24px, 4.5vw, 72px); color: #8592a9; font-size: .69rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (max-width: 800px) {
  .login-layout { grid-template-columns: 1fr; gap: 30px; width: min(490px, 100%); padding: 38px 24px 34px; }
  .intro { text-align: center; }
  .intro > .eyebrow { justify-content: center; margin-bottom: 15px; }
  h1 { font-size: clamp(2.1rem, 7vw, 2.8rem); }
  h1 br:first-of-type { display: none; }
  .intro-copy { margin: 16px auto 0; font-size: .83rem; }
  .contract-art { display: none; }
  .login-card { padding: 28px; }
  .card-icon { margin-bottom: 23px; }
  .page-footer { flex-wrap: wrap; justify-content: center; text-align: center; gap: 8px 22px; }
}
@media (max-width: 450px) {
  .topbar { min-height: 77px; padding: 18px 22px; }
  .access-badge { display: none; }
  .login-layout { padding: 30px 18px; }
  .login-card { padding: 26px 22px; border-radius: 19px; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.65rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .button-spinner { animation: spin 2s linear infinite !important; }
}