/* Integration-layer styles (game/app): where the app glue places UI kit
   components the kit itself leaves unpositioned (the region card), plus the
   title-screen scrim and the dev overlay. Kit visuals stay in game/styles. */

/* --- Region card dock: right column on desktop, bottom sheet on phones ------ */
.hd-dock {
  position: absolute;
  z-index: var(--z-panel);
  top: 84px;
  right: var(--sp-3);
  width: min(360px, calc(100vw - 24px));
  max-height: calc(100vh - 96px);
  display: flex; /* the card inside is a column: header, a body that scrolls, a footer that stays (the card never outgrows the screen) */
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--panel-radius);
  animation: hd-dock-in 260ms var(--ease-punch, cubic-bezier(0.2, 0.9, 0.3, 1.2));
  scrollbar-width: none;
}
.hd-dock::-webkit-scrollbar { display: none; }
.hd-dock .region-card { max-width: none; flex: 1 1 auto; min-height: 0; }
@keyframes hd-dock-in {
  0% { opacity: 0; transform: translateX(24px); }
  100% { opacity: 1; transform: translateX(0); }
}

@media (max-width: 640px) {
  .hd-dock {
    top: auto;
    left: var(--sp-2);
    right: var(--sp-2);
    bottom: calc(var(--sp-2) + env(safe-area-inset-bottom, 0px));
    width: auto;
    max-height: 62vh;
    animation-name: hd-sheet-in;
  }
  /* the tutorial's "Attack!" bubble opens room above the button: the sheet grows by that much, so no row is pushed out of sight */
  .hd-dock:has(.region-card-hintslot[data-px]:not([data-px="0"])) { max-height: 76vh; }
  @keyframes hd-sheet-in {
    0% { opacity: 0; transform: translateY(40px); }
    100% { opacity: 1; transform: translateY(0); }
  }
}
/* Landscape phones: a narrower column that fits under the HUD. */
@media (max-height: 520px) and (min-width: 641px) {
  .hd-dock { top: 84px; width: min(300px, 44vw); max-height: calc(100vh - 92px); }
}

/* --- Title screen: a soft scrim so the logo reads over the busy map --------- */
.title-screen {
  background:
    radial-gradient(ellipse 62% 58% at 50% 46%, rgba(9, 16, 28, 0.78) 0%, rgba(9, 16, 28, 0.5) 46%, rgba(9, 16, 28, 0) 100%),
    linear-gradient(180deg, rgba(9, 16, 28, 0.35) 0%, rgba(9, 16, 28, 0) 24%, rgba(9, 16, 28, 0) 70%, rgba(9, 16, 28, 0.55) 100%);
  animation: hd-fade-in 900ms ease-out both;
}
@keyframes hd-fade-in { from { opacity: 0; } to { opacity: 1; } }

/* --- Dev overlay (?dev=1) -------------------------------------------------- */
.hd-perf {
  position: fixed;
  right: 8px;
  bottom: 8px;
  z-index: 9999;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.55);
  color: #9cffb0;
  font: 600 11px/1.3 ui-monospace, Consolas, monospace;
  pointer-events: none !important;
  white-space: pre;
}
.hd-perf[data-warn='1'] { color: #ffd479; }
.hd-perf[data-warn='2'] { color: #ff8a80; }

@media (prefers-reduced-motion: reduce) {
  .hd-dock, .title-screen { animation: none; }
}
.reduce-motion .hd-dock, .reduce-motion .title-screen { animation: none; }

/* Sea-coloured fade used when a whole new continent replaces the one on screen. */
.hd-fade {
  position: fixed; inset: 0; z-index: 45; pointer-events: none;
  background: #10283d; opacity: 0; transition: opacity 260ms ease;
}
.hd-fade.on { opacity: 1; pointer-events: auto; }

/* Title buttons: the kit's translucent secondary buttons wash out over a bright map. */
.title-screen .btn-secondary {
  background: rgba(14, 22, 36, 0.66);
  border-color: rgba(255, 255, 255, 0.28);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.title-screen .btn-secondary:hover { background: rgba(28, 40, 60, 0.78); }

/* --- Battle extras (game/scenes/battle.js) --------------------------------------- */
/* Skip the victory sequence: bottom centre, above the send-fraction bar. The top centre belongs to the leader
   banner (it used to sit ON the banner's text) and the top right to the pause / speed cluster. */
.hd-skip {
  position: absolute;
  z-index: var(--z-modal);
  bottom: calc(176px + env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%);
  animation: hd-fade-in 400ms ease-out both;
}
.hd-help { font-family: var(--font-title); font-weight: 800; font-size: 1.05rem; }
.hd-controls { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); text-align: left; max-height: min(64vh, 560px); overflow-y: auto; padding-right: 4px; }
.hd-controls h3 { font-size: var(--fs-md); margin-bottom: var(--sp-2); color: var(--gold); }
.hd-controls p { font-size: var(--fs-sm); color: var(--text-muted); margin: 0 0 6px; line-height: 1.4; }
.hd-controls b { color: var(--text); font-weight: 800; }
@media (max-width: 640px) { .hd-controls { grid-template-columns: 1fr; } }
/* Pausing freezes the sim and dims the HUD slightly (PLAYFEEL §3). */
.battle-hud.is-paused .battle-bottom, .battle-hud.is-paused .battle-top { opacity: 0.72; }
.battle-hud .battle-bottom, .battle-hud .battle-top { transition: opacity 200ms ease; }

/* Phone battle HUD: keep the five power buttons on ONE row (the kit wraps them 3 + 2). */
@media (max-width: 640px) {
  .power-buttons { flex-wrap: nowrap; gap: 8px; }
  .power-btn { width: 54px; height: 54px; }
  .power-name { max-width: 58px; }
}

/* Desktop battles: the top pill (region name, tug-of-war bar, timer) runs from y = 12 to ~88, so toasts start a little beneath it
   instead of touching it (the playtest flagged the 4 px overlap of the Rally toast). */
#ui[data-battle][data-battle] .toasts { top: 100px; }

/* Phone battles: the mission chip drops below the button row, so toasts start beneath it instead
   of covering the progress bar (the desktop offset already clears it). */
@media (max-width: 840px) {
  #ui[data-battle][data-battle] .toasts { top: 120px; }
}

/* "Open in another tab": a persistent bar over everything (it is an alert, not a dialog: the game stays playable, it just no longer saves). */
.tab-banner {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: calc(var(--z-toast) + 5);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
  padding: var(--sp-3) var(--sp-4);
  background: #3a1d12;
  border-bottom: 2px solid var(--warn);
  color: var(--text);
  font-weight: 700;
  font-size: var(--fs-sm);
  text-align: center;
}