:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #29354a;
  background: #fff;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: max(36px, env(safe-area-inset-top)) max(28px, env(safe-area-inset-right)) max(36px, env(safe-area-inset-bottom)) max(28px, env(safe-area-inset-left));
  background:
    radial-gradient(ellipse at 4% 8%, #fff0f5 0, transparent 42%),
    radial-gradient(ellipse at 95% 90%, #eef4ff 0, transparent 40%), #fff;
  font-size: 14px;
  line-height: 1.5;
}
.login-shell {
  width: min(100%, 1040px);
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 410px);
  column-gap: clamp(40px, 7vw, 100px);
  row-gap: 36px;
  align-items: center;
}
.login-brand {
  grid-column: 1 / -1;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #27384e;
  text-decoration: none;
  font-size: 20px;
  font-weight: 650;
  border-radius: 8px;
}
.login-brand-mark { width: 40px; height: 44px; flex: none; }
[data-login-companion] { display: block; }
[data-login-companion] > :is(svg, img) { display: block; width: 100%; height: 100%; }
.spark-companion { display:block; width:100%; height:100%; overflow:visible; pointer-events:none; transform-origin:50% 85%; transition:transform 120ms ease-out; }
.spark-companion__arm--right { transform-box:fill-box; transform-origin:20% 80%; }
.spark-companion__arm--left { transform-box:fill-box; transform-origin:80% 10%; transition:transform 180ms ease-out; }
.spark-companion__head { transform-box:fill-box; transform-origin:50% 90%; }
.spark-companion__gaze { transform:translate(var(--spark-look-x,0px),var(--spark-look-y,0px)); transition:transform 90ms ease-out; }
.spark-companion__eyes { transform-box:fill-box; transform-origin:center; }
.spark-companion__cheeks { transition:opacity 180ms ease-out; }
:is(a,button):is(:hover,:focus-visible) .spark-companion__arm--right { animation:spark-companion-wave 760ms ease-in-out 1; }
:is(a,button):is(:hover,:focus-visible) .spark-companion__head { animation:spark-companion-peek 760ms ease-in-out 1; }
:is(a,button):is(:hover,:focus-visible) .spark-companion__eyes { animation:spark-companion-blink 760ms ease-in-out 1; }
:is(a,button):is(:hover,:focus-visible) .spark-companion__arm--left { transform:rotate(-9deg); }
:is(a,button):is(:hover,:focus-visible) .spark-companion__cheeks { opacity:1; }
.spark-companion.is-pressed { transform:translateY(2px) scale(1.06,.91); }
.spark-companion.is-delighted { animation:spark-companion-hop 500ms ease-out 1; }
@keyframes spark-companion-wave { 0%,100%{transform:rotate(0)} 22%,62%{transform:rotate(-25deg)} 42%,82%{transform:rotate(14deg)} }
@keyframes spark-companion-peek { 0%,100%{transform:rotate(0)} 35%{transform:translateY(-1.5px) rotate(-7deg)} 70%{transform:rotate(3deg)} }
@keyframes spark-companion-blink { 0%,30%,49%,100%{transform:scaleY(1)} 40%{transform:scaleY(.12)} }
@keyframes spark-companion-hop { 0%,100%{transform:translateY(0) scale(1)} 22%{transform:translateY(2px) scale(1.07,.90)} 55%{transform:translateY(-5px) rotate(-3deg) scale(.98,1.04)} 78%{transform:translateY(0) scale(1.03,.97)} }
@media(prefers-reduced-motion:reduce) {
  .spark-companion,.spark-companion * { animation:none!important; transition:none!important; transform:none!important; }
}
.login-story { min-width: 0; padding: 12px 0 8px; }
.login-kicker { display: block; color: #a5456f; font-size: 12px; line-height: 20px; font-weight: 600; letter-spacing: .1em; }
.login-story h2 { margin: 18px 0 16px; color: #233b55; font-size: clamp(34px, 3.4vw, 44px); line-height: 1.4; font-weight: 650; letter-spacing: -.035em; }
.login-story h2 span { color: #a73f73; }
.login-story-copy p { margin: 0; color: #69758a; font-size: 14px; line-height: 1.8; }
.login-companion-scene { position: relative; display: flex; align-items: center; gap: 16px; min-height: 178px; margin: 20px 0 24px; }
.login-companion-orbit { position: absolute; left: -10px; top: 12px; width: 172px; height: 156px; border-radius: 50%; background: linear-gradient(140deg, #fff0e0, #fff3fa 52%, #eef0ff); }
.login-hero-mark { appearance:none; border:0; padding:0; border-radius:40px; background:transparent; cursor:pointer; position: relative; width: 128px; height: 141px; margin-left: 12px; flex: none; }
.login-companion-note { position: relative; padding: 12px 16px; color: #75569d; background: #fff; border: 1px solid #e7dff0; border-radius: 14px 14px 14px 4px; font-size: 13px; line-height: 1.6; }
.login-workflow { display: flex; flex-wrap: wrap; gap: 16px 24px; list-style: none; padding: 20px 0 0; margin: 0; border-top: 1px solid #e6dfea; }
.login-workflow li { display: flex; align-items: center; gap: 8px; color: #9e426a; font-size: 12px; }
.login-workflow li:nth-child(2) { color: #386491; }
.login-workflow li:nth-child(3) { color: #7857a6; }
.login-workflow strong { font-weight: 600; }
.login-workflow-icon { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; background: #fff0f5; }
.login-workflow li:nth-child(2) .login-workflow-icon { background: #eef5fd; }
.login-workflow li:nth-child(3) .login-workflow-icon { background: #f4effb; }
.login-workflow svg { width: 18px; height: 18px; stroke: currentColor; stroke-width: 1.6; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.login-card {
  min-width: 0;
  padding: 32px;
  border: 1px solid transparent;
  border-radius: 20px;
  background: linear-gradient(#fff, #fff) padding-box, linear-gradient(135deg, #eecbde, #dedbed 52%, #cfdfee) border-box;
  box-shadow: 0 14px 42px #33476909;
}
.login-heading { margin: 0 0 28px; }
.login-heading::before { content: ""; display: block; width: 40px; height: 4px; margin-bottom: 22px; border-radius: 4px; background: linear-gradient(90deg, #e64981, #b386e7, #77a8dc); }
.login-heading h1 { margin: 8px 0 0; font-size: 26px; line-height: 1.4; font-weight: 650; letter-spacing: -.02em; color: #243a53; }
#login-intro { margin: 8px 0 0; color: #69758a; font-size: 13px; line-height: 20px; }
#login-form { display: grid; gap: 20px; }
#login-form label { display: grid; gap: 8px; color: #48556b; font-size: 13px; line-height: 20px; font-weight: 600; }
#login-form input {
  min-width: 0;
  width: 100%;
  height: 46px;
  border: 1px solid #cfd8e5;
  border-radius: 9px;
  padding: 10px 12px;
  color: #29354a;
  background: #fff;
  font: inherit;
  font-size: 16px;
  font-weight: 400;
  transition: border-color .15s ease, box-shadow .15s ease;
}
#login-form input::placeholder { color: #8791a2; font-size: 14px; }
#login-form input:hover { border-color: #aabbd1; }
#login-form input:focus { outline: none; border-color: #d45286; box-shadow: 0 0 0 3px #d4528612; }
#submit {
  min-height: 46px;
  margin-top: 2px;
  border: 1px solid #c91b5c;
  border-radius: 9px;
  padding: 10px 16px;
  color: #fff;
  background: #d92363;
  font: inherit;
  font-size: 15px;
  line-height: 24px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s ease, box-shadow .15s ease;
}
#submit:hover { background: #c61d59; box-shadow: 0 3px 10px #d9236318; }
#submit:active { background: #b91a52; box-shadow: none; }
#submit:disabled { opacity: .65; cursor: wait; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 2px solid #ad6b92; outline-offset: 4px; }
#error { margin: -4px 0 0; color: #b72f4c; font-size: 13px; line-height: 20px; overflow-wrap: anywhere; }
#error:empty { display: none; }
.login-help { margin-top: 18px; color: #66748a; font-size: 12px; line-height: 20px; text-align: center; }
.login-help summary { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 30px; padding: 2px 6px; list-style: none; cursor: pointer; border-radius: 5px; }
.login-help summary::-webkit-details-marker { display: none; }
.login-help summary::after { content: ""; width: 5px; height: 5px; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: translateY(-2px) rotate(45deg); }
.login-help[open] summary::after { transform: translateY(1px) rotate(225deg); }
.login-help summary:hover { color: #a5456f; background: #fff5f9; }
.login-help p { margin: 8px 0 0; padding: 12px; border: 1px solid #e5deeb; border-radius: 8px; background: #fdfaff; overflow-wrap: anywhere; }
[hidden] { display: none !important; }
@media (max-width: 850px) {
  .login-shell { max-width: 420px; grid-template-columns: minmax(0, 1fr); row-gap: 24px; }
  .login-brand { font-size: 19px; }
  .login-story { display: none; }
  .login-card { padding: 28px; }
}
@media (max-width: 480px) {
  body { padding: max(24px, env(safe-area-inset-top)) 20px max(24px, env(safe-area-inset-bottom)); }
  .login-shell { row-gap: 22px; }
  .login-card { padding: 26px 24px; border-radius: 16px; }
  .login-heading h1 { font-size: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}