:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  color: #1d1d1f;
  background: #f5f5f3;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 250px; }
button, input { font: inherit; }
button, summary, .import-control { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
button:disabled { cursor: default; }
[hidden] { display: none !important; }

.experience {
  display: grid;
  min-height: 100svh;
  place-items: center;
  padding: 16px;
  background: #f5f5f3;
}
.device-stage { display: flex; justify-content: center; }
.phone {
  position: relative;
  isolation: isolate;
  width: min(380px, calc(100vw - 32px), calc((100svh - 32px) * 380 / 716));
  aspect-ratio: 380 / 716;
  border-radius: 13.6% / 7.2%;
  filter: drop-shadow(0 24px 28px #0000001c) drop-shadow(0 4px 7px #00000024);
}
.phone-rim {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(100deg, #717473 0%, #edf0ee 1.5%, #b2b5b2 2.8%, #fff 4%, #929591 5.4%, #daddd8 17%, #f8faf6 40%, #a6a8a3 73%, #fafbf8 93%, #5c605f 96.1%, #eeefed 97.8%, #6d7270 100%);
  box-shadow: inset 0 1px 1px #fff, inset 0 -2px 2px #555b58, 0 0 0 1px #777b7660;
}
.phone-rim::after {
  content: "";
  position: absolute;
  inset: .8% 1.5%;
  border: 1px solid #161b1b;
  border-radius: 12.5% / 6.9%;
  box-shadow: 0 0 0 1px #ffffff40;
}
.phone-glass {
  position: absolute;
  inset: 1.2% 2.5%;
  border-radius: 11.7% / 6.35%;
  background: linear-gradient(116deg, #181b1e 0%, #080a0c 42%, #060709 70%, #101215 100%);
  box-shadow: inset 0 1px 1px #74797b88, inset 1px 0 2px #ffffff12, inset 0 -1px 1px #787c7840;
}
.phone-glass::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(112deg, #ffffff08, transparent 45%);
}
.earpiece {
  position: absolute;
  top: 7.1%;
  left: 39.5%;
  width: 21%;
  height: 1.45%;
  border-radius: 12px;
  border: 2px solid #060709;
  background: repeating-linear-gradient(0deg, transparent 0 1px, #111417 1px 2px), repeating-linear-gradient(90deg, #373a3d 0 1px, #15171a 1px 3px);
  box-shadow: 0 1px 1px #656b7160, 0 -1px 1px #000;
}
.display-recess {
  position: absolute;
  left: 7.89474%;
  top: 14.6648%;
  width: 84.21053%;
  height: 67.03911%;
  background: #000;
  box-shadow: 0 0 0 1px #000, 0 0 0 2px #202226, 0 1px 1px 3px #0008;
}
#screen { display: block; width: 100%; height: 100%; background: #000; touch-action: none; user-select: none; -webkit-user-select: none; }
.boot-loader {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 24px;
  background: #000;
  color: #a8a8ad;
  font-size: 11px;
  letter-spacing: .01em;
  text-align: center;
  pointer-events: none;
}
.boot-spinner {
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
  border: 1px solid #3b3b3f;
  border-top-color: #b8b8bd;
  border-radius: 50%;
  animation: boot-spin .8s linear infinite;
}
.boot-loader[data-state="error"] { color: #d0d0d4; line-height: 1.5; }
.boot-loader[data-state="error"] .boot-spinner { display: none; }
@keyframes boot-spin { to { transform: rotate(1turn); } }
.physical { position: absolute; margin: 0; padding: 0; border: 0; background: none; cursor: pointer; touch-action: none; user-select: none; -webkit-user-select: none; }
.physical:focus-visible { outline: 2px solid #5186c0; outline-offset: 5px; }
.physical.home {
  left: 41.05%;
  top: 86.03%;
  width: 17.9%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(ellipse at 50% 100%, #262a30, #080a0d 73%);
  box-shadow: inset 0 1px 2px #000, inset 0 -1px 1px #777c7d80, 0 0 0 1px #050607;
  display: grid;
  place-items: center;
}
.home-symbol { display: block; width: 32%; aspect-ratio: 1; border: 1.5px solid #bbbfc3; border-radius: 23%; box-shadow: 0 0 1px #ffffff60; opacity: .85; }
.home:enabled:active, .home.pressed { background: radial-gradient(ellipse at 50% 100%, #16191d, #06080b 73%); box-shadow: inset 0 2px 5px #000, inset 0 -1px 1px #777c7d50; }
.home:enabled:active .home-symbol, .home.pressed .home-symbol { transform: scale(.96); opacity: .65; }
.physical.power { right: 14%; top: -2.5%; width: 18%; height: 4%; }
.metal { position: absolute; display: block; border: 1px solid #555b58; background: linear-gradient(90deg, #6e7370, #f2f3ed 38%, #a3aaa4 65%, #484f4b); box-shadow: inset 0 0 1px #fff; z-index: -1; }
.power .metal { left: 0; right: 0; bottom: 22%; height: 23%; border-radius: 3px 3px 1px 1px; background: linear-gradient(0deg, #535957, #e4e7df 75%, #a0a7a0); }
.power:enabled:active .metal, .power.pressed .metal { transform: translateY(1px); }
.physical.ringer { left: -5%; top: 11.4%; width: 8%; height: 6.7%; }
.ringer .metal { right: 28%; top: 19%; width: 18%; height: 62%; border-radius: 3px 0 0 3px; }
.ringer[aria-pressed="true"] .metal { background: linear-gradient(90deg, #7a7771, #e19340 44%, #f8a44a 66%, #5e615a); transform: translateY(2px); }
.physical.volume { left: -5%; width: 8%; height: 6.8%; }
.volume-up { top: 20%; }
.volume-down { top: 26.8%; }
.volume .metal { right: 28%; top: 0; width: 18%; height: 100%; }
.volume-up .metal { border-radius: 3px 0 0 0; border-bottom: 0; }
.volume-down .metal { border-radius: 0 0 0 3px; border-top: 1px solid #666a65; }
.volume:enabled:active .metal, .volume.pressed .metal { transform: translateX(1px); }

.companion { width: min(100%, 400px); margin: 0 auto; text-align: center; }
.loading-state { min-height: 35px; margin-bottom: 8px; }
#status { margin: 0; color: #77736c; font-size: 11px; line-height: 1.6; overflow-wrap: anywhere; white-space: pre-line; }
#progress { display: block; width: 128px; height: 3px; margin: 8px auto 0; border: none; border-radius: 2px; overflow: hidden; accent-color: #8b979b; background: #ddd9d1; }
#progress::-webkit-progress-bar { background: #ddd9d1; border-radius: 2px; }
#progress::-webkit-progress-value { background: #8b979b; border-radius: 2px; }
#progress::-moz-progress-bar { background: #8b979b; border-radius: 2px; }
.session-controls { display: flex; justify-content: center; align-items: center; gap: 3px; flex-wrap: wrap; }
.text-button { position: relative; display: inline-flex; align-items: center; justify-content: center; min-height: 34px; padding: 6px 9px; border: none; border-radius: 6px; background: transparent; font-size: 11px; color: #68665f; cursor: pointer; transition: background 120ms, color 120ms; }
.text-button:enabled:hover, .import-control:has(input:enabled):hover { background: #dedbd34d; color: #282825; }
.text-button:disabled, .import-control:has(input:disabled) { color: #aaa69f; cursor: default; }
.text-button:focus-visible, .import-control:focus-within, summary:focus-visible { outline: 2px solid #5186c0; outline-offset: 2px; }
.import-control { overflow: hidden; }
#import { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
#import:disabled { cursor: default; }
.control-divider { width: 1px; height: 12px; margin: 0 4px; background: #d7d3cc; }
.help-panel { margin: 10px auto 0; border-top: 1px solid #d9d5ce88; text-align: left; }
summary { cursor: pointer; font-size: 11px; color: #858078; list-style: none; }
summary::-webkit-details-marker { display: none; }
.help-panel > summary { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 0 9px; }
.help-panel > summary span { font-size: 15px; font-weight: 300; line-height: 1; }
.help-panel[open] > summary span { transform: rotate(45deg); }
.help-content { padding: 0 9px 10px; font-size: 12px; line-height: 1.7; color: #76716a; }
.help-content p { margin: 12px 0; }
.shortcuts { margin: 15px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 15px; }
.shortcuts > div { display: flex; align-items: center; gap: 8px; }
.shortcuts dt { min-width: 68px; font-size: 10px; }
.shortcuts dd { margin: 0; font-size: 11px; }
kbd { display: inline-block; padding: 0 4px; min-width: 18px; border: 1px solid #d7d2c9; border-radius: 3px; text-align: center; font: inherit; background: #ffffff55; }
.capability-note { color: #8c8274; }
.developer-panel { padding-top: 10px; border-top: 1px solid #d9d5ce88; }
.developer-panel summary::before { content: "+ "; }
.developer-panel[open] summary::before { content: "− "; }
#diagnostics { max-height: 240px; margin: 12px 0 0; padding: 12px; overflow: auto; border-radius: 6px; background: #e8e5df; color: #66635d; font: 10px/1.6 ui-monospace, SFMono-Regular, Consolas, monospace; white-space: pre-wrap; overflow-wrap: anywhere; }
.colophon { margin: 10px 0 0; color: #aaa49b; font-size: 9px; letter-spacing: .035em; }
.colophon span { margin: 0 5px; }

@media (max-width: 420px) {
  .experience { padding: 12px; }
  .phone { width: min(380px, calc(100vw - 24px), calc((100svh - 24px) * 380 / 716)); }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}