/* U-Craft responsive application shell and shared interaction states.
   The game surface is the product itself; no simulated device chrome is rendered. */
:root {
  --app-safe-top: env(safe-area-inset-top, 0px);
  --app-safe-right: env(safe-area-inset-right, 0px);
  --app-safe-bottom: env(safe-area-inset-bottom, 0px);
  --app-safe-left: env(safe-area-inset-left, 0px);
  --ui-surface-0: #02080b;
  --ui-surface-1: rgba(7, 22, 26, 0.92);
  --ui-surface-2: rgba(15, 39, 43, 0.84);
  --ui-line: rgba(92, 205, 198, 0.25);
  --ui-line-strong: rgba(92, 222, 211, 0.48);
  --ui-ion: #67d7ce;
  --ui-amber: #d6a64a;
  --ui-positive: #71c99a;
  --ui-negative: #db7469;
  --ui-text: #e7f4f2;
  --ui-muted: #84a5a7;
  --ui-radius-page: 0px;
  --ui-radius-panel: 18px;
  --ui-radius-card: 13px;
  --ui-radius-control: 10px;
  --ui-z-hud: 40;
  --ui-z-nav: 50;
  --ui-z-menu: 100;
  --ui-z-modal: 200;
  --ui-z-toast: 260;
}

html,
body {
  width: 100%;
  min-width: 0;
  min-height: 100%;
  min-height: 100dvh;
  margin: 0;
  overscroll-behavior: none;
  background: #071013;
}

body {
  overflow: hidden;
  background:
    radial-gradient(circle at 50% -18%, rgba(55, 132, 135, 0.16), transparent 34rem),
    #071013;
  touch-action: manipulation;
}

.studio-shell {
  display: grid;
  width: 100%;
  min-height: 100dvh;
  margin: 0;
  padding: 0;
  place-items: stretch center;
  background: transparent;
}

.design-notes {
  display: none !important;
}

.game-root {
  position: relative;
  isolation: isolate;
  width: 100%;
  max-width: 480px;
  height: 100dvh;
  min-width: 0;
  min-height: 100dvh;
  max-height: none;
  margin: 0 auto;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  outline: 0;
  background:
    linear-gradient(180deg, rgba(1, 7, 8, 0.16), rgba(1, 8, 10, 0.84)),
    url("../../../assets/optimized/space-bg.webp") center / cover;
  box-shadow: none;
}

.game-root::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.1), transparent 38%, rgba(0, 0, 0, 0.5)),
    radial-gradient(circle at 50% 4%, rgba(80, 201, 197, 0.12), transparent 30%);
  content: "";
  pointer-events: none;
}

.app-screen {
  min-width: 0;
  min-height: 100%;
  max-width: 100%;
}

.global-hud-resources {
  z-index: var(--ui-z-hud);
  padding-top: calc(12px + var(--app-safe-top));
  padding-right: max(3px, var(--app-safe-right));
  padding-left: max(3px, var(--app-safe-left));
}

.bottom-nav {
  z-index: var(--ui-z-nav);
  box-sizing: border-box;
  padding-right: var(--app-safe-right);
  padding-bottom: var(--app-safe-bottom);
  padding-left: var(--app-safe-left);
}

.login-screen,
.recover-screen,
.server-screen {
  padding-top: max(var(--app-safe-top), 0px);
  padding-right: max(20px, var(--app-safe-right));
  padding-bottom: max(64px, var(--app-safe-bottom));
  padding-left: max(20px, var(--app-safe-left));
}

.quick-menu-backdrop,
.game-exit-dialog,
.warehouse-overlay-root {
  z-index: var(--ui-z-menu);
}

/* The tactical sheet must always sit above its own click-to-close backdrop. */
.quick-menu-sheet {
  z-index: calc(var(--ui-z-menu) + 1);
}

button,
[role="button"],
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
}

button,
[role="button"] {
  transition: transform 150ms ease, border-color 180ms ease, background-color 180ms ease, color 180ms ease, opacity 180ms ease;
}

button:hover:not(:disabled) {
  border-color: var(--ui-line-strong);
}

button:active:not(:disabled),
[role="button"]:active:not([aria-disabled="true"]) {
  transform: translateY(1px) scale(0.985);
}

button:disabled,
button[aria-disabled="true"],
[role="button"][aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.42;
  filter: saturate(0.45);
}

button[data-state="processing"],
button.is-processing,
button.is-connecting {
  cursor: wait;
  color: var(--ui-muted);
}

button[data-state="complete"],
button.complete,
button.is-complete {
  border-color: rgba(113, 201, 154, 0.48);
  background-color: rgba(58, 126, 91, 0.2);
  color: #a5ebc4;
}

.toast {
  z-index: var(--ui-z-toast);
  max-width: calc(100% - 28px);
  overflow-wrap: anywhere;
  white-space: normal;
}

.ui-page-head {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  min-height: 58px;
  padding: calc(8px + var(--app-safe-top)) 14px 8px;
  border-bottom: 1px solid var(--ui-line);
  background: rgba(5, 18, 22, 0.88);
  backdrop-filter: blur(16px);
}

.ui-page-head > div { min-width: 0; }
.ui-page-head span { color: var(--ui-ion); font-size: 8px; letter-spacing: 0.12em; }
.ui-page-head h2 { overflow: hidden; margin: 3px 0 0; color: var(--ui-text); font-size: 16px; text-overflow: ellipsis; white-space: nowrap; }
.ui-icon-button, .ui-text-button { min-height: 38px; border: 1px solid var(--ui-line); border-radius: var(--ui-radius-control); background: rgba(16, 47, 52, 0.54); color: var(--ui-text); }
.ui-text-button { padding: 0 12px; color: var(--ui-ion); font-size: 11px; }
.ui-card { min-width: 0; border: 1px solid var(--ui-line); border-radius: var(--ui-radius-card); padding: 14px; background: var(--ui-surface-2); }
.ui-card > header { display: flex; justify-content: space-between; gap: 10px; }
.ui-card > header > div { display: grid; gap: 4px; }
.ui-card > header span { color: var(--ui-muted); font-size: 9px; }
.ui-card > header strong { color: var(--ui-text); font-size: 13px; }
.ui-card > header b { align-self: start; border-radius: 7px; padding: 4px 7px; background: rgba(214, 166, 74, 0.13); color: var(--ui-amber); font-size: 9px; }
.ui-progress { height: 5px; overflow: hidden; border-radius: 999px; background: rgba(112, 158, 158, 0.16); }
.ui-progress > i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #389f9a, var(--ui-ion)); }
.ui-quantity { display: grid; grid-template-columns: 38px minmax(48px, 1fr) 38px; overflow: hidden; border: 1px solid var(--ui-line); border-radius: var(--ui-radius-control); }
.ui-quantity button { min-height: 38px; border: 0; background: rgba(21, 59, 64, 0.48); color: var(--ui-ion); }
.ui-quantity output { display: grid; place-items: center; border-right: 1px solid var(--ui-line); border-left: 1px solid var(--ui-line); color: var(--ui-text); font-variant-numeric: tabular-nums; }
.ui-empty, .ui-loading { display: grid; min-height: 210px; place-items: center; align-content: center; gap: 9px; padding: 24px; text-align: center; }
.ui-empty > i { display: grid; width: 48px; height: 48px; place-items: center; border: 1px solid var(--ui-line); border-radius: 50%; color: var(--ui-ion); font-style: normal; }
.ui-empty strong { color: var(--ui-text); }
.ui-empty p { max-width: 280px; margin: 0; color: var(--ui-muted); font-size: 11px; line-height: 1.6; }
.ui-empty button { min-height: 38px; border: 1px solid var(--ui-line-strong); border-radius: var(--ui-radius-control); padding: 0 14px; background: rgba(21, 69, 72, 0.46); color: var(--ui-ion); }
.ui-loading { grid-template-columns: auto auto; min-height: 120px; }
.ui-loading i { width: 15px; height: 15px; border: 2px solid rgba(103, 215, 206, 0.2); border-top-color: var(--ui-ion); border-radius: 50%; animation: ui-spin 0.8s linear infinite; }
.ui-loading span { color: var(--ui-muted); font-size: 11px; }

@keyframes ui-spin { to { transform: rotate(360deg); } }

@media (max-width: 520px) {
  body {
    background: var(--ui-surface-0);
  }

  .game-root {
    max-width: none;
  }

  .app-screen {
    padding-right: max(14px, var(--app-safe-right));
    padding-left: max(14px, var(--app-safe-left));
  }
}

@media (max-width: 340px) {
  .app-screen {
    padding-right: max(10px, var(--app-safe-right));
    padding-left: max(10px, var(--app-safe-left));
  }

  .global-hud-resources {
    padding-right: var(--app-safe-right);
    padding-left: var(--app-safe-left);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
/* Route-level loading state: keeps secondary screens responsive while their bundle loads. */
.ucraft-route-skeleton {
  position: absolute;
  inset: max(4.5rem, env(safe-area-inset-top)) 0 max(4.5rem, env(safe-area-inset-bottom));
  z-index: 30;
  display: grid;
  align-content: start;
  gap: .75rem;
  padding: 1rem;
  background: linear-gradient(180deg, rgba(5, 11, 18, .98), rgba(7, 17, 27, .96));
}
.ucraft-route-skeleton span {
  display: block;
  min-height: 5.5rem;
  border-radius: 1.1rem;
  background: linear-gradient(100deg, rgba(255,255,255,.045) 25%, rgba(125,246,255,.12) 42%, rgba(255,255,255,.045) 60%);
  background-size: 220% 100%;
  animation: ucraft-skeleton-flow 1.25s ease-in-out infinite;
}
.ucraft-route-skeleton span:nth-child(2) { min-height: 3.8rem; }
.ucraft-route-skeleton p { margin: .25rem 0; color: rgba(220,242,248,.72); text-align: center; font-size: .82rem; }
@keyframes ucraft-skeleton-flow { to { background-position: -120% 0; } }
@media (prefers-reduced-motion: reduce) { .ucraft-route-skeleton span { animation: none; } }

/* 2026-10-23 mobile full-bleed: override the desktop 480px preview frame. */
@media (max-width: 1024px), (pointer: coarse) {
  body.game-active .studio-shell {
    display: block !important;
    place-items: stretch !important;
    width: 100% !important;
    min-height: 100vh !important;
    min-height: 100dvh !important;
    padding: 0 !important;
  }
  body.game-active .game-root {
    width: 100% !important;
    max-width: none !important;
    height: 100vh !important;
    height: 100dvh !important;
    min-height: 100vh !important;
    min-height: 100dvh !important;
    margin: 0 !important;
    border-radius: 0 !important;
  }
}