* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

:root {
  --stage-pad-x: 24px;
  --stage-pad-top: 24px;
  --stage-pad-bottom: 24px;
  --stage-max-scale: 1.16;
  --stage-fit-scale: min(
    calc((100vw - (var(--stage-pad-x) * 2)) / var(--device-w)),
    calc((100dvh - var(--stage-pad-top) - var(--stage-pad-bottom)) / var(--device-h))
  );
  --stage-scale: min(var(--stage-max-scale), var(--stage-fit-scale));
}

/* v5 P4：演示舞台不允许 document 级滚动。
   如果某条 scrollIntoView 不小心冒泡到 window，会把 .statusbar 也一起滚出可视区，
   表现为"顶部时间栏整体错位"。这里把整文档钉死，避免那种错位。 */
html, body {
  overflow: hidden;
}

body {
  font-family: var(--font-sans);
  font-size: var(--t-15);
  color: var(--ink);
  background: #ececee;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--stage-pad-top) var(--stage-pad-x) var(--stage-pad-bottom);
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  margin: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

input,
textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  outline: 0;
  padding: 0;
  margin: 0;
}

ul,
ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

img {
  max-width: 100%;
  display: block;
}

[hidden] {
  display: none !important;
}

/* Stage: desktop hosts a phone-shaped device */
.stage {
  width: min(100vw - 48px, 1200px);
  min-height: calc(var(--device-h) * var(--stage-scale));
  display: flex;
  align-items: center;
  justify-content: center;
}

.device-shell {
  width: calc(var(--device-w) * var(--stage-scale));
  height: calc(var(--device-h) * var(--stage-scale));
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.device {
  position: relative;
  width: var(--device-w);
  height: var(--device-h);
  flex: 0 0 auto;
  border-radius: var(--device-radius);
  background: #16181c;
  padding: 10px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.08) inset,
    0 30px 80px rgba(17, 19, 24, 0.18),
    0 8px 24px rgba(17, 19, 24, 0.10);
  transform: scale(var(--stage-scale));
  transform-origin: center center;
}

.app {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: calc(var(--device-radius) - 10px);
  background: var(--bg-page);
  overflow: hidden;
  isolation: isolate;
}

/* iPhone-style notch */
.notch {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  height: 28px;
  border-radius: 16px;
  background: #0c0d10;
  z-index: 10;
}

/* Status bar */
.statusbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 6;
  height: 50px;
  padding: 16px 28px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--t-14);
  font-weight: var(--w-semibold);
  color: var(--ink);
  background: var(--bg-page);
  pointer-events: none;
}

/* itinerary 屏幕地图模式时 statusbar 可半透明 */
.app:has(.itin-screen[data-mode="map"]) .statusbar {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.0));
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* HK 机场展开屏：statusbar 完全透明，让浅蓝底直接透上来 */
.app:has(.airport-screen) .statusbar {
  background: transparent;
}

.app:has(.hkg-profile-detail) .statusbar {
  background: transparent;
  color: #10203a;
}

.statusbar .right {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--t-12);
}

/* Layout regions */
.app-frame {
  position: absolute;
  inset: 0;
  padding-top: var(--safe-top);
  display: flex;
  flex-direction: column;
}

.feed {
  flex: 1;
  min-height: 0;
  position: relative; /* 让 children 的 offsetTop 基于 feed，scroll 计算可靠 */
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px 20px 24px;
  scroll-behavior: auto;
}

.feed::-webkit-scrollbar {
  display: none;
}

.feed {
  scrollbar-width: none;
}

/* Screen-level enter animation */
@keyframes screen-fade-up {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* v5 P2：屏切换时的 enter 动画（render.js 在 screen 变更时打上 .screen-enter） */
.app-frame.screen-enter {
  animation: screen-fade-up 320ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

/* 给"地图 pin → 机场路书"加一个短暂的离场效果：当前屏轻微缩放 + 淡出，
   配合 main.js 的 200ms 延迟，避免硬切。 */
.app-frame.screen-leave {
  animation: screen-zoom-out 220ms cubic-bezier(0.5, 0, 0.75, 0) both;
}

@keyframes screen-zoom-out {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0; transform: scale(1.04); }
}

/* HKG pin 点击瞬间放大 + 光晕（与离场动画同时进行） */
.route-map-pin.is-activating {
  z-index: 5;
  animation: hkg-pin-pulse 220ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

@keyframes hkg-pin-pulse {
  0%   { transform: translate(-50%, -50%) scale(1);   filter: drop-shadow(0 0 0 rgba(0, 17, 255, 0)); }
  60%  { transform: translate(-50%, -50%) scale(1.18); filter: drop-shadow(0 0 12px rgba(0, 17, 255, 0.45)); }
  100% { transform: translate(-50%, -50%) scale(1.08); filter: drop-shadow(0 0 8px rgba(0, 17, 255, 0.30)); }
}