/* 共用色票與基本樣式：對齊 Android 版 values/colors.xml、values-night/colors.xml */
:root {
  --page: #F7F7F8; --card: #FFFFFF; --text: #18181B; --text2: #52525B; --border: #E4E4E7; --chip-border: #D4D4D8;
  --accent: #9F1239; --sel-bg: #FFE4E6; --sel-text: #881337; --link: #1D4ED8; --placeholder: #E4E4E7;
  --push: #15803D; --boo: #B91C1C; --upcoming-bg: #DBEAFE; --upcoming-text: #1E40AF;
  --via-line: #047A38; --via-app: #1D4ED8; --via-store: #B45309; --nav-sel: #F4F4F5;
  --radius: 14px; --scale: 1; --on-accent: #FFFFFF;
  --font: system-ui, -apple-system, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --page: #18181B; --card: #27272A; --text: #FAFAFA; --text2: #D4D4D8; --border: #3F3F46; --chip-border: #52525B;
  --accent: #FDA4AF; --sel-bg: #4C1D2C; --sel-text: #FECDD3; --link: #93C5FD; --placeholder: #3F3F46;
  --push: #86EFAC; --boo: #FCA5A5; --upcoming-bg: #1E3A8A; --upcoming-text: #DBEAFE;
  --via-line: #15803D; --via-app: #2563EB; --via-store: #B45309; --nav-sel: #3F3F46; --on-accent: #18181B;
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --page: #18181B; --card: #27272A; --text: #FAFAFA; --text2: #D4D4D8; --border: #3F3F46; --chip-border: #52525B;
    --accent: #FDA4AF; --sel-bg: #4C1D2C; --sel-text: #FECDD3; --link: #93C5FD; --placeholder: #3F3F46;
    --push: #86EFAC; --boo: #FCA5A5; --upcoming-bg: #1E3A8A; --upcoming-text: #DBEAFE;
    --via-line: #15803D; --via-app: #2563EB; --via-store: #B45309; --nav-sel: #3F3F46; --on-accent: #18181B;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--page); color: var(--text); font-family: var(--font); font-size: 16px; line-height: 1.5; -webkit-text-size-adjust: 100%; }
a { color: var(--link); }
button { font: inherit; color: inherit; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; padding: 0 18px; border-radius: 10px;
  border: 1px solid var(--chip-border); background: var(--card); cursor: pointer; font-size: 15px; }
a.btn { color: var(--text); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); font-weight: 700; }
.btn:disabled { opacity: .5; cursor: default; }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid var(--link); outline-offset: 2px; }
input[type=text], input[type=password] { width: 100%; min-height: 48px; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--chip-border);
  background: var(--card); color: var(--text); font-size: 16px; }
.muted { color: var(--text2); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.toast { position: fixed; left: 50%; bottom: calc(84px + env(safe-area-inset-bottom)); transform: translateX(-50%); background: #18181B; color: #fff;
  padding: 10px 16px; border-radius: 10px; font-size: 14px; z-index: 50; max-width: 90vw; }