* { box-sizing: border-box; }

:root {
  color-scheme: light;
  --page-blue: #a4d8f7;
  --screen-black: #030405;
  --fold-duration: 850ms;
  --fold-easing: cubic-bezier(.65, 0, .35, 1);
  --screen-radius: 32px;
}

html, body {
  width: 100%;
  min-width: 0;
  min-height: 100%;
  margin: 0;
}

body {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  background-color: var(--page-blue);
  color: #000;
  font-family: Inter, "Avenir Next", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
body::before,
body::after {
  display: none;
}

.app-shell {
  position: relative;
  z-index: 0;
  display: grid;
  min-height: 100vh;
  min-height: 100svh;
  place-items: center;
  overflow: hidden;
  padding: 16px;
}
.app-shell.phone-open { padding: 0; }

.shape {
  position: relative;
  display: block;
  width: var(--closed-width, 243px);
  height: var(--device-height, 341px);
  flex: none;
  padding: 0;
  overflow: visible;
  border: 0;
  border-radius: 0 var(--closed-corner-radius, 26px) var(--closed-corner-radius, 26px) 0;
  background: var(--screen-black);
  box-shadow: 0 14px 38px rgba(25, 71, 98, .2);
  perspective: 1000px;
  transform-style: preserve-3d;
  touch-action: manipulation;
  transition: width var(--fold-duration) var(--fold-easing), height var(--fold-duration) var(--fold-easing), border-radius var(--fold-duration) var(--fold-easing), opacity 220ms ease, transform 220ms ease, visibility 0s;
  -webkit-tap-highlight-color: transparent;
}
.app-shell.is-auth-transition .shape { opacity: 0; transform: scale(.96); pointer-events: none; }

.shape.is-open {
  width: 100vw;
  height: 100vh;
  height: 100svh;
  border-radius: 0;
}
.shape.is-settled { overflow: clip; border-radius: 0; }
.shape.is-app-open .fold-toggle { pointer-events: none; }
.shape.is-open .fold-toggle { pointer-events: none; }
.app-shell.auth-active .fold-toggle { pointer-events: none; }
.fold-toggle:focus-visible { outline: 2px solid #53636b; outline-offset: 3px; }

.phone-canvas {
  position: absolute;
  inset: 1px;
  z-index: 1;
  display: block;
  width: calc(100% - 2px);
  height: calc(100% - 2px);
  border-radius: inherit;
  background: var(--screen-black);
  pointer-events: none;
}
.shape.is-open .phone-canvas { inset: 0; width: 100%; height: 100%; border-radius: 0; }

.phone-content {
  position: absolute;
  inset: 1px;
  z-index: 3;
  display: block;
  width: calc(100% - 2px);
  height: calc(100% - 2px);
  border: 0;
  border-radius: inherit;
  background: #fff;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}
.shape.has-content .phone-content { opacity: 1; }
.shape.is-open.has-content .phone-content { pointer-events: auto; }
.shape.is-open .phone-content { inset: 0; width: 100%; height: 100%; border-radius: 0; }

.app-transition {
  position: absolute;
  inset: 1px;
  z-index: 5;
  border-radius: inherit;
  background: #fff;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 100ms linear, visibility 0s linear 100ms;
}
.shape.is-open .app-transition { inset: 0; border-radius: 0; }
.shape.is-app-launching .app-transition {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

.fold-toggle {
  position: absolute;
  inset: 0;
  z-index: 6;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  border-radius: inherit;
  background: transparent;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.shape.is-open .fold-toggle {
  right: auto;
  left: calc(50% - 22px);
  width: 44px;
}

.shape-panel {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  width: var(--panel-width, 243px);
  height: 100%;
  border: 0;
  border-radius: 0 var(--closed-corner-radius, 26px) var(--closed-corner-radius, 26px) 0;
  background: transparent;
  pointer-events: none;
  backface-visibility: visible;
  transition: left var(--fold-duration) var(--fold-easing), transform var(--fold-duration) var(--fold-easing), border-radius var(--fold-duration) var(--fold-easing);
}

.shape-panel::before,
.shape-panel::after {
  position: absolute;
  inset: 0;
  content: "";
  border-radius: inherit;
  background: linear-gradient(145deg, rgba(255,255,255,.035), transparent 42%), var(--screen-black);
  clip-path: inset(0 round 0 var(--closed-corner-radius, 26px) var(--closed-corner-radius, 26px) 0);
  backface-visibility: hidden;
  opacity: 1;
  pointer-events: none;
  transition: opacity 100ms linear, border-radius var(--fold-duration) var(--fold-easing), clip-path var(--fold-duration) var(--fold-easing);
}

.shape-panel::after { transform: rotateY(180deg); }
.shape-panel-back { z-index: 0; }
.shape-panel-front {
  z-index: 1;
  transform-style: preserve-3d;
  transform-origin: left center;
  transform: rotateY(0deg);
}

.shape.is-open .shape-panel-back {
  left: calc(var(--panel-width, 243px) - 2px);
  width: calc(var(--panel-width, 243px) + 2px);
  border-radius: 0 var(--open-corner-radius, 42px) var(--open-corner-radius, 42px) 0;
}

.shape.is-open .shape-panel-front {
  left: var(--panel-width, 243px);
  transform: rotateY(-180deg);
  border-radius: 0 var(--open-corner-radius, 42px) var(--open-corner-radius, 42px) 0;
}

.shape.is-open .shape-panel-back::before {
  border-radius: 0 var(--open-corner-radius, 42px) var(--open-corner-radius, 42px) 0;
  clip-path: inset(0 round 0 var(--open-corner-radius, 42px) var(--open-corner-radius, 42px) 0);
}

.shape.is-open .shape-panel-front::after {
  border-radius: var(--open-corner-radius, 42px) 0 0 var(--open-corner-radius, 42px);
  clip-path: inset(0 round var(--open-corner-radius, 42px) 0 0 var(--open-corner-radius, 42px));
}

.shape.is-settled .shape-panel::before,
.shape.is-settled .shape-panel::after,
.shape.is-closed-settled .shape-panel::before,
.shape.is-closed-settled .shape-panel::after { opacity: 0; }

.shape::after {
  position: absolute;
  inset: 0;
  z-index: 4;
  border: 1px solid rgba(95, 105, 110, .85);
  border-radius: 0 var(--closed-corner-radius, 26px) var(--closed-corner-radius, 26px) 0;
  content: "";
  pointer-events: none;
  transition: border-radius var(--fold-duration) var(--fold-easing);
}
.shape.is-open::after { border-color: transparent; border-radius: 0; }

.username-prompt {
  position: absolute;
  inset: 1px;
  z-index: 7;
  display: grid;
  place-items: center;
  overflow: auto;
  padding: clamp(10px, 3vw, 24px);
  border-radius: inherit;
  background: rgba(0, 0, 0, .48);
  opacity: 0;
  visibility: hidden;
  pointer-events: auto;
  transition: opacity 180ms ease, visibility 0s linear 180ms;
}
.username-prompt.is-visible { opacity: 1; visibility: visible; transition-delay: 0s; }
.username-prompt[hidden] { display: none; }

.username-card {
  display: grid;
  gap: 14px;
  width: min(100%, 460px);
  max-height: 100%;
  overflow-y: auto;
  padding: 28px;
  border: 0;
  border-radius: var(--screen-radius);
  background: var(--page-blue);
  color: #000;
  box-shadow: 0 22px 70px rgba(0,0,0,.28);
  transform: translateY(8px);
  transition: transform 180ms ease;
  pointer-events: auto;
}
.username-prompt.is-visible .username-card { transform: translateY(0); }
.username-card.is-restoring { align-content: center; min-height: 116px; text-align: center; }
.username-card.is-restoring > :not(.username-status) { display: none !important; }
.username-card.is-restoring .username-status { font-size: 18px; font-weight: 600; }
.username-card label { font-size: 18px; font-weight: 600; letter-spacing: -.02em; }
.username-status { margin: 0; font-size: 14px; line-height: 1.45; }
.username-card.is-loading .username-status { display: flex; align-items: center; gap: 9px; }
.username-card.is-loading .username-status::before {
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  border: 2px solid rgba(0,0,0,.22);
  border-top-color: #000;
  border-radius: 50%;
  content: "";
  animation: auth-spin 720ms linear infinite;
}
@keyframes auth-spin { to { transform: rotate(360deg); } }
.username-card input,
.username-card select,
.username-card button {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 0;
  border-radius: 12px;
  font: inherit;
}
.username-card input {
  background: #fff;
  color: #000;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 16px;
  letter-spacing: .035em;
}
.username-card input::placeholder { color: rgba(0,0,0,.48); }
.username-card input:focus-visible,
.username-card button:focus-visible,
.username-card select:focus-visible {
  outline: 3px solid #1769e0;
  outline-offset: 3px;
}
.username-card button {
  background: #000;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}
.username-card button:disabled { cursor: wait; opacity: .65; }
.username-card .back-button {
  justify-self: start;
  width: auto;
  min-height: 36px;
  padding: 0;
  background: transparent;
  color: #000;
  text-align: left;
  font-size: 14px;
}
.membership-select-wrap { position: relative; }
.membership-select-wrap select {
  appearance: none;
  padding-right: 44px;
  background: #fff;
  color: #000;
  cursor: pointer;
}
.membership-chevron {
  position: absolute;
  top: 50%;
  right: 18px;
  width: 9px;
  height: 9px;
  border-right: 2px solid #000;
  border-bottom: 2px solid #000;
  pointer-events: none;
  transform: translateY(-70%) rotate(45deg);
}
.create-account-link { color: #000; font-size: 14px; line-height: 1.45; text-underline-offset: 3px; }

.auth-notice {
  position: fixed;
  bottom: 24px;
  left: 50%;
  z-index: 11;
  width: min(520px, calc(100% - 32px));
  padding: 14px 18px;
  border-radius: 14px;
  background: #000;
  color: #fff;
  line-height: 1.45;
  box-shadow: 0 12px 36px rgba(0,0,0,.24);
  transform: translateX(-50%);
}

@media (prefers-reduced-motion: reduce) {
  .username-card.is-loading .username-status::before { animation: none; }
}
.auth-notice[hidden] { display: none; }

@media (max-width: 460px) {
  .app-shell { padding: 12px; }
  .username-prompt { padding: 16px; }
  .username-card { gap: 11px; padding: 22px; border-radius: 18px; }
  .username-card label { font-size: 16px; }
  .username-card input, .username-card select, .username-card button { min-height: 46px; }
  .create-account-link { font-size: 13px; }
}
@media (max-height: 580px) {
  .username-prompt { padding: 8px; }
  .username-card { gap: 8px; max-height: calc(100svh - 16px); padding: 16px; }
  .username-card label { font-size: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}