html, body { height: 100%; overflow: hidden; overscroll-behavior: none; margin: 0; }
body { background: var(--color-bg); color: var(--color-text); font-family: var(--font-body); }
#root { height: 100dvh; width: 100vw; overflow: hidden; position: relative; }
input, select, textarea { font-size: 16px; }
button { font: inherit; }

@keyframes pulse { 0%, 100% { opacity: 1 } 50% { opacity: .25 } }
@keyframes scanline { 0% { transform: translateY(-34px) } 100% { transform: translateY(34px) } }
@keyframes sheetup { from { transform: translateY(14px); opacity: .4 } to { transform: none; opacity: 1 } }

.mono { font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.kick { font-size: 10px; letter-spacing: .09em; text-transform: uppercase; color: color-mix(in srgb, var(--color-text) 52%, transparent); }
.rowline { border-top: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent); }
.muted { color: color-mix(in srgb, var(--color-text) 52%, transparent); }
.hd { font-family: var(--font-heading); }
.noscroll::-webkit-scrollbar { width: 0; height: 0; }
.noscroll { scrollbar-width: none; }

.tap { cursor: pointer; -webkit-tap-highlight-color: transparent; border-radius: 12px;
  transition: background .14s ease; }
.tap:active { background: color-mix(in srgb, var(--color-text) 6%, transparent); }
.rowline { border-top: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent); }
.fabbtn { cursor: pointer; transition: transform .16s ease, background .16s ease; }
.fabbtn:active { transform: scale(.94); }

/* ── phone shell ───────────────────────────────────────────── */
/* 瀏海與 home indicator：實體安全區 + 一點呼吸空間 */
:root {
  --top: max(20px, env(safe-area-inset-top));
  --bot: max(24px, env(safe-area-inset-bottom));
  --side: max(20px, env(safe-area-inset-left));
}
#pager { display: flex; height: 100%; overflow-x: auto; overflow-y: hidden; scroll-snap-type: x mandatory; }
#pager > section { flex: none; width: 100%; height: 100%; scroll-snap-align: start; overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: calc(var(--top) + 26px) var(--side) calc(var(--bot) + 130px); }
.veil { position: absolute; left: 0; right: 0; bottom: 0; height: calc(var(--bot) + 120px); pointer-events: none;
  background: linear-gradient(to top, var(--color-bg) 38%, color-mix(in srgb, var(--color-bg) 60%, transparent) 72%, transparent); }

/* 懸浮導覽列：毛玻璃 + 陰影，圖示在上、文字在下 */
.navbar { position: absolute; left: var(--side); right: calc(var(--side) + 64px);
  bottom: calc(var(--bot) + 10px); display: flex; gap: 2px; padding: 5px; border-radius: 20px;
  background: color-mix(in srgb, var(--color-bg) 72%, transparent);
  -webkit-backdrop-filter: blur(20px) saturate(1.6); backdrop-filter: blur(20px) saturate(1.6);
  box-shadow: 0 10px 30px color-mix(in srgb, var(--color-neutral-900) 16%, transparent),
    inset 0 0 0 1px color-mix(in srgb, var(--color-text) 9%, transparent); }
.navbar button { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px;
  border: 0; background: transparent; color: color-mix(in srgb, var(--color-text) 62%, transparent);
  padding: 8px 2px 7px; border-radius: 15px; cursor: pointer; min-height: 48px;
  font-family: var(--font-heading); font-size: 11px; letter-spacing: .02em;
  transition: background .18s ease, color .18s ease, transform .18s ease; }
.navbar button svg { transition: transform .18s ease; }
.navbar button:active { transform: scale(.93); }
.navbar button[aria-selected="true"] { background: var(--color-accent); color: var(--color-bg); }
.navbar button[aria-selected="true"] svg { transform: translateY(-1px); }

.fab { position: absolute; right: var(--side); bottom: calc(var(--bot) + 10px); width: 54px; height: 54px;
  display: grid; place-items: center; border-radius: 50%;
  background: var(--color-accent); color: var(--color-bg); border: 0;
  box-shadow: 0 10px 26px color-mix(in srgb, var(--color-accent) 42%, transparent),
    0 2px 8px color-mix(in srgb, var(--color-neutral-900) 18%, transparent);
  transition: transform .16s ease, box-shadow .16s ease; }
.fab:active { transform: scale(.92);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--color-accent) 38%, transparent); }

/* ── shared bits ───────────────────────────────────────────── */
.bp { position: relative; border: 1px solid var(--color-divider); }
.bp > i, .pbtn > i { position: absolute; width: 11px; height: 11px; color: color-mix(in srgb, var(--color-text) 55%, transparent); }
.bp > i::before, .bp > i::after, .pbtn > i::before, .pbtn > i::after { content: ""; position: absolute; background: currentColor; }
.bp > i::before, .pbtn > i::before { left: 5px; top: 0; width: 1px; height: 100%; }
.bp > i::after, .pbtn > i::after { top: 5px; left: 0; width: 100%; height: 1px; }
.bp > i.tl, .pbtn > i.tl { top: -6px; left: -6px } .bp > i.tr, .pbtn > i.tr { top: -6px; right: -6px }
.bp > i.bl, .pbtn > i.bl { bottom: -6px; left: -6px } .bp > i.br, .pbtn > i.br { bottom: -6px; right: -6px }
.pbtn > i { color: color-mix(in srgb, var(--color-accent) 75%, transparent); }
.fab.bp { position: absolute; }
.pbtn.bp, .pbtn { position: relative; }

/* 分段控制：外框收成膠囊，選中項是實心滑塊 */
.segbar { display: inline-flex; gap: 2px; padding: 3px; border-radius: 12px;
  background: color-mix(in srgb, var(--color-text) 5%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--color-text) 7%, transparent); }
.segbar button { border: 0; background: transparent; border-radius: 9px;
  color: color-mix(in srgb, var(--color-text) 62%, transparent);
  padding: 7px 13px; font-size: 13px; font-family: var(--font-heading); cursor: pointer; min-height: 34px;
  transition: background .16s ease, color .16s ease; }
.segbar button[aria-selected="true"] { background: var(--color-accent); color: var(--color-bg);
  box-shadow: 0 1px 4px color-mix(in srgb, var(--color-accent) 40%, transparent); }

.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--color-divider);
  border: 1px solid var(--color-divider); }
.grid4 > div { background: var(--color-bg); padding: 9px 11px; }

.tag-outline { display: inline-flex; align-items: center; border-radius: 999px;
  background: color-mix(in srgb, var(--color-accent) 12%, transparent); color: var(--color-accent-800);
  font-size: 9.5px; padding: 2px 7px; letter-spacing: .02em; }

/* 圓形圖示鈕：返回、關閉 */
.iconbtn { width: 38px; height: 38px; flex: none; display: grid; place-items: center; border-radius: 50%;
  border: 0; background: color-mix(in srgb, var(--color-text) 6%, transparent); color: var(--color-text);
  cursor: pointer; transition: background .16s ease, transform .16s ease; }
.iconbtn:active { transform: scale(.92); background: color-mix(in srgb, var(--color-text) 12%, transparent); }

.fld { display: block; }
.fld > span { display: block; font-size: 12px; margin-bottom: 6px; color: color-mix(in srgb, var(--color-text) 62%, transparent); }
.fld input, .fld select, .inp { width: 100%; min-height: 46px; padding: 10px 13px; font-family: inherit; font-size: 16px;
  color: var(--color-text); border-radius: 12px;
  background: color-mix(in srgb, var(--color-text) 4%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-text) 9%, transparent);
  transition: border-color .16s ease, box-shadow .16s ease, background .16s ease; }
.fld input:focus, .inp:focus { outline: none; border-color: var(--color-accent);
  background: var(--color-bg);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 16%, transparent); }
.fld input:disabled { opacity: .5; }

.pbtn { display: flex; align-items: center; justify-content: center; gap: 7px; width: 100%; min-height: 50px;
  border: 0; border-radius: 14px; background: var(--color-accent); color: var(--color-bg);
  font-family: var(--font-heading); font-size: 16px; cursor: pointer; position: relative;
  box-shadow: 0 6px 18px color-mix(in srgb, var(--color-accent) 32%, transparent);
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease; }
.pbtn:active { transform: scale(.985); box-shadow: 0 2px 8px color-mix(in srgb, var(--color-accent) 30%, transparent); }
.sbtn { display: flex; align-items: center; justify-content: center; gap: 7px; width: 100%; min-height: 46px;
  border: 1px solid color-mix(in srgb, var(--color-text) 12%, transparent); border-radius: 14px;
  background: transparent; color: var(--color-text);
  font-family: var(--font-heading); font-size: 15px; cursor: pointer;
  transition: background .16s ease, transform .16s ease; }
.sbtn:active { transform: scale(.985); background: color-mix(in srgb, var(--color-text) 6%, transparent); }
.pbtn:disabled, .sbtn:disabled { opacity: .4; cursor: not-allowed; box-shadow: none; }
.chip { padding: 7px 14px; font-size: 13px; border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--color-text) 12%, transparent); background: transparent;
  color: var(--color-text); cursor: pointer; transition: background .16s ease, color .16s ease, border-color .16s ease; }

.sw { width: 48px; height: 28px; flex: none; border: 0; border-radius: 999px; position: relative; cursor: pointer;
  background: color-mix(in srgb, var(--color-text) 14%, transparent); padding: 0;
  transition: background .2s ease; }
.sw > span { position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--color-bg); box-shadow: 0 1px 3px color-mix(in srgb, var(--color-neutral-900) 30%, transparent);
  transition: left .2s cubic-bezier(.3,.8,.4,1); }
.sw[aria-checked="true"] { background: var(--color-accent); }
.sw[aria-checked="true"] > span { left: 23px; }

/* ── overlays ──────────────────────────────────────────────── */
.overlay { position: absolute; inset: 0; background: var(--color-bg); z-index: 40; overflow-y: auto;
  -webkit-overflow-scrolling: touch; }
.sheetwrap { position: absolute; inset: 0; z-index: 50; display: flex; flex-direction: column; justify-content: flex-end;
  background: color-mix(in srgb, var(--color-neutral-900) 38%, transparent);
  -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px); }
.sheet { background: var(--color-bg); border-radius: 24px 24px 0 0; max-height: 92%; overflow-y: auto;
  -webkit-overflow-scrolling: touch; box-shadow: 0 -12px 40px color-mix(in srgb, var(--color-neutral-900) 22%, transparent);
  padding: 10px var(--side) calc(var(--bot) + 16px); }
.grabber { width: 40px; height: 4px; border-radius: 999px; margin: 0 auto 12px;
  background: color-mix(in srgb, var(--color-text) 18%, transparent); }

.suglist { position: absolute; top: calc(100% + 6px); left: 0; width: min(calc(100vw - 40px), 460px); z-index: 5;
  max-height: 210px; overflow-y: auto; border-radius: 14px; padding: 4px;
  background: var(--color-bg); border: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent);
  box-shadow: 0 14px 34px color-mix(in srgb, var(--color-neutral-900) 20%, transparent); }
.suglist button { display: flex; width: 100%; align-items: center; gap: 8px; padding: 10px 10px; border: 0;
  border-radius: 10px; background: transparent; color: var(--color-text); text-align: left; cursor: pointer; }
.suglist button:active { background: color-mix(in srgb, var(--color-accent) 12%, transparent); }

/* ── tablet ────────────────────────────────────────────────── */
.tsplit { display: flex; height: 100dvh; width: 100vw; overflow: hidden; }
.thandle { width: 7px; flex: none; cursor: col-resize; display: flex; align-items: center; justify-content: center;
  background: var(--color-divider); opacity: .55; }
.tnav { display: flex; align-items: center; gap: 10px; padding: 9px 11px; border-left: 2px solid transparent;
  border-right: 0; border-top: 0; border-bottom: 0; width: 100%; background: transparent; color: var(--color-text);
  cursor: pointer; font-family: var(--font-heading); font-size: 15.5px; }
.tnav[aria-selected="true"] { background: color-mix(in srgb, var(--color-accent) 12%, transparent);
  color: var(--color-accent-800); border-left-color: var(--color-accent); }