:root {
  --app-fallback-viewport-height: 100vh;
  --app-viewport-height: var(--tg-viewport-stable-height, var(--app-fallback-viewport-height));
  --app-safe-bottom: max(
    env(safe-area-inset-bottom, 0px),
    var(--tg-safe-area-inset-bottom, 0px),
    var(--tg-content-safe-area-inset-bottom, 0px)
  );
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--tg-theme-text-color, #17212b);
  background: var(--tg-theme-bg-color, #f3f6f8);
  font-synthesis: none;
}

@supports (height: 100dvh) {
  :root { --app-fallback-viewport-height: 100dvh; }
}

* { box-sizing: border-box; }
html, body { height: var(--app-viewport-height); min-height: 0; overflow: hidden; }
body {
  margin: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  background: var(--tg-theme-bg-color, #f3f6f8);
}
button, input, select { font: inherit; }
button { cursor: pointer; }

.topbar {
  position: relative; z-index: 5;
  display: flex; align-items: center; gap: 12px;
  min-height: 70px; padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
  background: color-mix(in srgb, var(--tg-theme-secondary-bg-color, #fff) 94%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid color-mix(in srgb, currentColor 9%, transparent);
}
.topbar h1 { margin: 1px 0 0; font-size: 22px; line-height: 1.15; }
.eyebrow { color: var(--tg-theme-hint-color, #6d7d8b); font-size: 10px; font-weight: 700; letter-spacing: .11em; }
.icon-button { width: 40px; height: 40px; border: 0; border-radius: 13px; background: var(--tg-theme-button-color, #2481cc); color: var(--tg-theme-button-text-color, #fff); font-size: 22px; }
.diagnostics-toggle { margin-left: auto; padding: 8px 10px; border: 1px solid #d97706; border-radius: 10px; background: #fff7ed; color: #9a3412; font-size: 11px; font-weight: 750; }

main {
  width: min(760px, 100%);
  min-height: 0;
  margin: 0 auto;
  padding: 14px 12px 20px;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  -webkit-overflow-scrolling: touch;
}
.layout-diagnostics { margin-bottom: 14px; padding: 10px; border: 2px solid #f59e0b; border-radius: 12px; background: #fffbeb; color: #451a03; }
.diagnostics-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 11px; }
.diagnostics-head div { display: flex; gap: 5px; }
.diagnostics-head button { padding: 5px 7px; border: 1px solid #f59e0b; border-radius: 7px; background: #fff; color: #78350f; font-size: 10px; }
.layout-diagnostics pre { max-height: 48vh; margin: 8px 0 0; overflow: auto; font: 10px/1.35 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: pre-wrap; overflow-wrap: anywhere; }
.search-form { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.search-form input { min-width: 0; height: 48px; padding: 0 15px; border: 1px solid color-mix(in srgb, currentColor 12%, transparent); border-radius: 14px; background: var(--tg-theme-secondary-bg-color, #fff); color: inherit; outline: none; }
.search-form input:focus { border-color: var(--tg-theme-button-color, #2481cc); box-shadow: 0 0 0 3px color-mix(in srgb, var(--tg-theme-button-color, #2481cc) 18%, transparent); }
.search-form button, .action { min-height: 48px; padding: 0 17px; border: 0; border-radius: 14px; background: var(--tg-theme-button-color, #2481cc); color: var(--tg-theme-button-text-color, #fff); font-weight: 700; }
.action:disabled { cursor: default; opacity: .46; }
.action.secondary { background: var(--tg-theme-secondary-bg-color, #fff); color: var(--tg-theme-button-color, #2481cc); border: 1px solid color-mix(in srgb, var(--tg-theme-button-color, #2481cc) 32%, transparent); }
.hint, .state { padding: 28px 16px; color: var(--tg-theme-hint-color, #6d7d8b); text-align: center; line-height: 1.45; }

.tabs { display: flex; flex-wrap: wrap; gap: 7px; overflow: visible; padding: 14px 1px 10px; }
.tab { flex: 0 0 auto; min-height: 40px; padding: 0 13px; border: 0; border-radius: 999px; background: var(--tg-theme-secondary-bg-color, #fff); color: inherit; font-weight: 650; }
.tab.active { background: var(--tg-theme-button-color, #2481cc); color: var(--tg-theme-button-text-color, #fff); }
.stack { display: grid; gap: 9px; padding-top: 12px; }
.stack.compact { padding-top: 0; }
.tabs:not(.hidden) ~ .stack { padding-top: 0; }

.card { width: 100%; padding: 14px 15px; border: 1px solid color-mix(in srgb, currentColor 8%, transparent); border-radius: 16px; background: var(--tg-theme-secondary-bg-color, #fff); color: inherit; text-align: left; box-shadow: 0 4px 18px color-mix(in srgb, #000 5%, transparent); }
button.card:active { transform: scale(.994); }
.card-title { font-size: 15px; font-weight: 720; line-height: 1.36; overflow-wrap: anywhere; white-space: normal; }
.card-meta { margin-top: 7px; color: var(--tg-theme-hint-color, #6d7d8b); font-size: 13px; line-height: 1.4; }
.marker { margin-right: 6px; }
.detail-head { margin-bottom: 12px; }
.detail-head h2 { margin: 0; font-size: 21px; line-height: 1.3; overflow-wrap: anywhere; }
.detail-head p { margin: 7px 0 0; color: var(--tg-theme-hint-color, #6d7d8b); }
.section-title { margin: 21px 2px 9px; font-size: 14px; color: var(--tg-theme-hint-color, #6d7d8b); text-transform: uppercase; letter-spacing: .06em; }
.metric { display: flex; justify-content: space-between; gap: 14px; }
.metric + .metric { margin-top: 9px; }
.metric span:last-child { text-align: right; font-weight: 700; }
.actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 12px; }
.actions .action { padding: 10px; }
.section-tabs { display: flex; flex-wrap: wrap; gap: 7px; margin: 14px 0 4px; }
.section-tabs .action { min-height: 40px; padding: 8px 12px; border-radius: 999px; font-size: 13px; }
.status-title { margin: 18px 3px 8px; font-size: 15px; }
.line { padding: 13px 0; border-bottom: 1px solid color-mix(in srgb, currentColor 8%, transparent); }
.line:last-child { border-bottom: 0; }
.line-button { width: 100%; border: 0; border-bottom: 1px solid color-mix(in srgb, currentColor 8%, transparent); background: transparent; color: inherit; text-align: left; }
.line-button:active { opacity: .72; }
.line-name { font-weight: 700; line-height: 1.35; overflow-wrap: anywhere; }
.line-formula { margin-top: 6px; color: var(--tg-theme-hint-color, #6d7d8b); font-size: 13px; }
.empty { padding: 18px 2px; color: var(--tg-theme-hint-color, #6d7d8b); }
.success { padding: 20px; border-radius: 16px; background: color-mix(in srgb, #35a853 13%, var(--tg-theme-secondary-bg-color, #fff)); color: #25813d; font-weight: 700; line-height: 1.45; }
.wizard-progress { margin: 0 2px 14px; color: var(--tg-theme-hint-color, #6d7d8b); font-size: 12px; font-weight: 700; }
.choice-list { display: grid; gap: 8px; margin-top: 12px; }
.choice {
  display: flex; align-items: flex-start; gap: 10px;
  width: 100%; padding: 13px 14px; border: 1px solid color-mix(in srgb, currentColor 10%, transparent);
  border-radius: 14px; background: var(--tg-theme-secondary-bg-color, #fff); color: inherit;
  text-align: left; line-height: 1.35;
}
.choice input { width: 20px; height: 20px; margin: 0; accent-color: var(--tg-theme-button-color, #2481cc); }
.choice > span { min-width: 0; }
.choice-meta { display: block; margin-top: 3px; color: var(--tg-theme-hint-color, #6d7d8b); font-size: 12px; }
.choice.unavailable { color: var(--tg-theme-hint-color, #6d7d8b); border-style: dashed; }
.field-input { width: 100%; min-height: 48px; padding: 0 14px; border: 1px solid color-mix(in srgb, currentColor 12%, transparent); border-radius: 14px; background: var(--tg-theme-secondary-bg-color, #fff); color: inherit; }
.field-input + .field-input { margin-top: 8px; }
.selector-search { margin-top: 8px; outline: none; }
.selector-search:focus { border-color: var(--tg-theme-button-color, #2481cc); box-shadow: 0 0 0 3px color-mix(in srgb, var(--tg-theme-button-color, #2481cc) 18%, transparent); }
.filter-condition-list { margin-bottom: 12px; }
.filter-actions { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.filter-actions .action { min-height: 40px; padding: 8px 12px; font-size: 13px; }
.bottom-nav {
  position: relative; z-index: 10;
  justify-self: center;
  display: grid; grid-auto-flow: column; grid-auto-columns: 1fr;
  width: min(760px, 100%); padding: 7px 9px calc(7px + var(--app-safe-bottom));
  background: color-mix(in srgb, var(--tg-theme-secondary-bg-color, #fff) 96%, transparent);
  border-top: 1px solid color-mix(in srgb, currentColor 9%, transparent);
  backdrop-filter: blur(16px);
}
.bottom-nav button { min-width: 0; padding: 5px 4px; border: 0; border-radius: 11px; background: transparent; color: var(--tg-theme-hint-color, #6d7d8b); font-size: 11px; font-weight: 700; }
.bottom-nav button span { display: block; margin-bottom: 2px; font-size: 20px; line-height: 1; }
.bottom-nav button.active { color: var(--tg-theme-button-color, #2481cc); background: color-mix(in srgb, var(--tg-theme-button-color, #2481cc) 9%, transparent); }
.hidden { display: none !important; }

@media (max-width: 360px) {
  .search-form { grid-template-columns: 1fr; }
  .search-form button { height: 44px; }
  .actions { grid-template-columns: 1fr; }
}