:root { color-scheme: light dark; font-family: system-ui, sans-serif; }
body { margin: 0; background: var(--tg-theme-bg-color, #faf8fc); color: var(--tg-theme-text-color, #241b30); }
main { max-width: 640px; margin: auto; padding: 24px 18px 48px; }
.brand-logo { display: block; width: 64px; height: 64px; object-fit: contain; border-radius: 14px; margin-bottom: 6px; }
body { overflow: hidden; }
body.android-client { --platform-bottom-gap: 12px; }
#period-nav {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px;
  flex-shrink: 0; padding: 12px 6px 8px; margin-top: 8px;
  border-top: 1px solid #9aa9b855;
}
#period-nav .calculator-button { margin: 0; min-height: 56px; padding: 6px 8px; font-size: 1rem; }
main {
  box-sizing: border-box; display: flex; flex-direction: column;
  height: 100vh; height: var(--app-viewport-height, var(--tg-viewport-stable-height, 100dvh));
  padding-top: calc(8px + var(--tg-safe-area-inset-top, env(safe-area-inset-top, 0px)) + var(--tg-content-safe-area-inset-top, 0px));
  padding-bottom: calc(max(12px, calc(var(--tg-safe-area-inset-bottom, env(safe-area-inset-bottom, 0px)) + var(--tg-content-safe-area-inset-bottom, 0px))) + var(--platform-bottom-gap, 0px));
  padding-left: max(18px, calc(var(--tg-safe-area-inset-left, 0px) + var(--tg-content-safe-area-inset-left, 0px)));
  padding-right: max(18px, calc(var(--tg-safe-area-inset-right, 0px) + var(--tg-content-safe-area-inset-right, 0px)));
}
header, #title, #status, #retry-slot, #back-slot { flex-shrink: 0; }
.event-selection #back-slot, #status:empty { display: none; }
#title {
  margin: 12px 0 16px; overflow-wrap: anywhere; overflow-y: auto;
  max-height: calc(var(--app-viewport-height, var(--tg-viewport-stable-height, 100dvh)) * .22);
}
#status { max-height: calc(var(--app-viewport-height, var(--tg-viewport-stable-height, 100dvh)) * .12); overflow-y: auto; }
#back { min-height: 56px; padding-block: 6px; margin-bottom: 8px; }
body:not(.event-selection):not(.athlete-detail) .brand-logo { width: 48px; height: 48px; margin-bottom: 4px; }
#content {
  flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior-y: contain;
  scrollbar-gutter: stable; padding: 6px 6px 12px;
}
#content:focus-visible { outline: 2px solid #1675d1; outline-offset: 2px; }
.athlete-detail header { display: none; }
.performance-card { padding: 12px; margin: 0 0 10px; border-radius: 12px; }
.performance-card__top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 4px 10px; }
.performance-card__top strong { font-size: 1.1rem; }
.performance-card__place { font-size: .875rem; font-weight: 700; white-space: nowrap; margin-left: auto; }
.performance-card h3 { font-size: 1rem; line-height: 1.25; margin: 6px 0; }
.performance-card p { font-size: .9rem; line-height: 1.3; margin: 4px 0; overflow-wrap: anywhere; }
h1 { margin: 8px 0 24px; } h2 { font-size: 1.2rem; }
input, article { box-sizing: border-box; width: 100%; border-radius: 14px; padding: 16px; margin: 6px 0; font: inherit; }
input:focus-visible { outline: 3px solid #d29bff; outline-offset: 2px; }
input { border: 1px solid #888; background: var(--tg-theme-secondary-bg-color, white); color: inherit; }
article { background: var(--tg-theme-secondary-bg-color, #eee8f3); }
article strong { font-size: 1.3rem; } article p { margin: 8px 0; }
[hidden] { display: none !important; }

#splash {
  position: fixed; inset: 0; z-index: 10; display: grid; place-items: center;
  background: radial-gradient(ellipse at center, #14545d, #04181e 75%);
  perspective: 900px; opacity: 1; transition: opacity 250ms ease;
}
#splash img {
  width: min(72vw, 340px); height: auto; border-radius: 22%;
  animation: logo-turn 2.4s linear infinite;
  box-shadow: 0 0 70px #2ec2d139;
}
#splash.leaving { opacity: 0; pointer-events: none; }
@keyframes logo-turn { to { transform: rotateY(360deg); } }
@media (prefers-reduced-motion: reduce) {
  #splash img { animation: none; }
  #splash { transition: none; }
}
.calculator-button {
  --key-top: #ffffff; --key-bottom: #e3e9ef; --key-edge: #9aa9b8;
  --key-text: #182b3e;
  display: flex; align-items: center; justify-content: center; gap: .5em;
  box-sizing: border-box; width: 100%; min-height: max(56px, 3.2em);
  margin: 0 0 16px; padding: 8px 16px; border: 1px solid var(--key-edge);
  border-radius: 16px; color: var(--key-text);
  background: linear-gradient(var(--key-top), var(--key-bottom));
  box-shadow: 0 6px 0 var(--key-edge), 0 9px 12px #10263b24,
    inset 0 2px 0 #ffffff80;
  font: 700 1.0625rem/1.3 system-ui, sans-serif; text-align: center;
  cursor: pointer; touch-action: manipulation; -webkit-tap-highlight-color: transparent;
  transition: transform 120ms ease, box-shadow 120ms ease, filter 120ms ease;
}
.calculator-button--primary {
  --key-top: #2574c4; --key-bottom: #155da8; --key-edge: #0b3c73; --key-text: #fff;
}
.calculator-button--success {
  --key-top: #20844b; --key-bottom: #146635; --key-edge: #0b4525; --key-text: #fff;
}
.calculator-button--danger {
  --key-top: #c4393e; --key-bottom: #a5222b; --key-edge: #72131b; --key-text: #fff;
}
.calculator-button__label { min-width: 0; overflow-wrap: anywhere; hyphens: auto; text-wrap: balance; }
.calculator-button__icon, .calculator-button__progress { flex: 0 0 auto; }
.calculator-button--event {
  position: relative; display: grid; min-height: 96px;
  grid-template-columns: minmax(0, 1fr) 88px;
  grid-template-rows: minmax(48px, 1fr) auto;
  gap: 4px 8px; padding: 6px 12px;
}
.calculator-button__caption {
  position: absolute; left: 16px; right: 16px; bottom: 6px;
  font: 500 .75rem/1.3 system-ui, sans-serif;
  color: #4c5d6d; text-align: left; overflow-wrap: anywhere;
}
.calculator-button--event .calculator-button__label { grid-area: 1 / 1; text-align: left; }
.calculator-button--event .calculator-button__image { grid-area: 1 / 2; }
.calculator-button--event .calculator-button__caption {
  position: static; grid-row: 2; grid-column: 1 / -1;
}
.calculator-button--event .calculator-button__progress { position: absolute; top: 6px; right: 8px; }
.calculator-button__image {
  flex: 0 0 88px; width: 88px; height: 62px; object-fit: contain;
  border-radius: 6px;
}
.calculator-button__progress { font-weight: 800; }
@media (hover: hover) {
  .calculator-button:hover:not(:disabled) { filter: brightness(1.07); }
}
.calculator-button:active:not(:disabled) {
  transform: translateY(3px);
  box-shadow: 0 3px 0 var(--key-edge), 0 4px 6px #10263b24,
    inset 0 2px 0 #ffffff80;
}
.calculator-button:focus-visible { outline: 3px solid #1675d1; outline-offset: 5px; }
.calculator-button:disabled {
  --key-top: #e4e7eb; --key-bottom: #d2d7dd; --key-edge: #aab2bc;
  --key-text: #626c78; cursor: not-allowed; box-shadow: 0 4px 0 var(--key-edge);
}
.calculator-button[aria-busy="true"] { cursor: progress; }
#content { padding-top: 6px; }
#back-slot, #retry-slot { margin-top: 12px; }
@media (max-width: 360px) {
  main {
    padding-left: max(12px, calc(var(--tg-safe-area-inset-left, 0px) + var(--tg-content-safe-area-inset-left, 0px)));
    padding-right: max(12px, calc(var(--tg-safe-area-inset-right, 0px) + var(--tg-content-safe-area-inset-right, 0px)));
  }
  .calculator-button { font-size: 1rem; padding-inline: 12px; }
  .calculator-button__image { flex-basis: 88px; width: 88px; height: 62px; }
}
@media (prefers-reduced-motion: reduce) {
  .calculator-button { transition: none; }
}