/* Helm — Claude Design 重設計:新增/編輯表單(.fpage 單一捲動層)+ 設定(.set)。
   核心:整片覆蓋背景(蓋掉 header+分頁)→ 背後無第二捲層;只有 .fpage__scroll 一個捲動層;
   頂 bar flex:0 永不捲(取消/儲存一定點得到)。 */

/* ===== 手機:整頁推進、全螢幕覆蓋 ===== */
.fpage {
  position: fixed; inset: 0; z-index: 120;   /* 蓋過 tab bar(100)與 FAB(90) */
  background: var(--surface-canvas);
  background-image: var(--texture-paper); background-size: var(--texture-paper-size);
  display: flex; flex-direction: column;
  animation: fpage-push var(--dur-sheet) var(--ease-out);
}
@keyframes fpage-push { from { transform: translateX(14%); opacity: 0; } to { transform: none; opacity: 1; } }

.fpage__panel { flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; }

/* 固定頂 bar(flex:0,永不捲);頂部留白避開瀏海/動態島 */
.fpage__bar {
  flex: 0 0 auto; z-index: 2;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: max(env(safe-area-inset-top), 18px) 10px 12px;
  background: var(--surface-card); border-bottom: 1px solid var(--line);
}
.fpage__cancel {
  justify-self: start; display: inline-flex; align-items: center; gap: 3px;
  background: none; border: none; cursor: pointer; padding: 8px;
  color: var(--text-secondary); font-family: var(--font-sans); font-size: var(--fs-body);
  border-radius: var(--radius-sm); transition: color var(--dur-fast) var(--ease-standard);
}
.fpage__cancel:hover { color: var(--text-primary); }
.fpage__cancel:disabled { opacity: 0.5; cursor: default; }
.fpage__cancel i { font-size: 1.05rem; }
.fpage__title { font-family: var(--font-serif); font-weight: 600; font-size: var(--fs-title-3); color: var(--text-primary); white-space: nowrap; }
.fpage__save {
  justify-self: end; display: inline-flex; align-items: center; gap: 6px;
  min-height: 36px; padding: 8px 10px;
  background: none; border: none; cursor: pointer;
  color: var(--brand); font-family: var(--font-sans); font-weight: 600; font-size: var(--fs-body);
  border-radius: var(--radius-sm); transition: color var(--dur-fast) var(--ease-standard);
}
.fpage__save:hover { color: var(--accent-brass); }
.fpage__save:disabled { cursor: default; }
.fpage__save[aria-busy="true"] { color: var(--text-tertiary); }
.fpage__save-spin {
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid color-mix(in oklab, currentColor 30%, transparent);
  border-top-color: currentColor; animation: fpage-spin 0.7s linear infinite;
}
@keyframes fpage-spin { to { transform: rotate(360deg); } }

/* 唯一捲動層 */
.fpage__scroll {
  flex: 1 1 auto; min-height: 0;
  overflow-y: auto; -webkit-overflow-scrolling: touch; overscroll-behavior: contain;
}
.fpage__scroll::-webkit-scrollbar { width: 0; }
.fpage__body { padding: 16px 16px max(env(safe-area-inset-bottom), 32px); display: flex; flex-direction: column; gap: 14px; }

.fpage__card {
  background: var(--surface-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 16px 16px 18px;
  box-shadow: var(--shadow-sm, 0 1px 2px rgba(0,0,0,0.04));
}
.fpage__card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; padding: 2px 2px 14px; }
.fpage__card-hint { font-size: var(--fs-caption); color: var(--text-tertiary); }
.fpage__fields { display: flex; flex-direction: column; gap: 16px; }
.fpage__fx { margin-top: 8px; font-size: var(--fs-caption); color: var(--value-positive); font-variant-numeric: tabular-nums; }

.fpage__danger { margin-top: 4px; padding: 4px 2px 0; }
.fpage__confirm {
  display: flex; flex-direction: column; gap: 12px;
  background: var(--surface-card); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 16px;
}
.fpage__confirm-q { margin: 0; font-size: var(--fs-label); color: var(--text-primary); text-align: center; }
.fpage__confirm-row { display: flex; gap: 10px; }

/* ===== 桌面(≥760px):.fpage 變半透明 scrim + 置中浮層;內部 bar/scroll 單一捲動層完全沿用 ===== */
@media (min-width: 760px) {
  .fpage {
    z-index: 120;
    background: var(--surface-scrim, rgba(6,12,9,0.5));
    background-image: none;
    display: grid; place-items: center;
    padding: 32px; animation: fpage-fade var(--dur-sheet) var(--ease-out);
  }
  @keyframes fpage-fade { from { opacity: 0; } to { opacity: 1; } }
  .fpage__panel {
    flex: 0 1 auto;
    width: min(560px, 100%); max-height: 100%;
    background: var(--surface-canvas);
    background-image: var(--texture-paper); background-size: var(--texture-paper-size);
    border: 1px solid var(--line); border-radius: var(--radius-xl, 24px);
    box-shadow: var(--shadow-lg, 0 24px 60px rgba(0,0,0,0.28));
    overflow: hidden;
    animation: dpanel-pop var(--dur-sheet) var(--ease-out);
  }
  @keyframes dpanel-pop { from { transform: translateY(12px) scale(0.99); opacity: 0; } to { transform: none; opacity: 1; } }
  .fpage__bar { padding: 18px 16px 14px; }
}

/* ===== 設定 → 外觀 ===== */
.set { display: flex; flex-direction: column; gap: 16px; }
.set__card {
  background: var(--surface-card); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 16px 16px 18px;
  box-shadow: var(--shadow-sm, 0 1px 2px rgba(0,0,0,0.04));
}
.set__card--muted { box-shadow: none; }
.set__head { padding: 2px 2px 12px; }
.set__row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 0 2px 12px; }
.set__row-title { font-family: var(--font-sans); font-weight: 600; font-size: var(--fs-body); color: var(--text-primary); }
.set__row-sub { font-size: var(--fs-label); color: var(--text-secondary); margin-top: 2px; }
.set__soonrow {
  display: flex; align-items: center; gap: 12px; padding: 12px 2px;
  color: var(--text-secondary); font-size: var(--fs-body);
  border-top: 1px solid var(--line-faint, var(--line));
}
.set__soonrow:first-of-type { border-top: none; }
.set__soonrow i { font-size: 1.25rem; color: var(--text-tertiary); }
.set__soonrow em { margin-left: auto; font-style: normal; font-size: var(--fs-overline); letter-spacing: var(--ls-overline); text-transform: uppercase; color: var(--text-tertiary); }

/* ===== 換匯參考 + 定期定額換匯追蹤 ===== */
.fx-now { display: flex; align-items: baseline; gap: 8px; margin: 2px 0 14px; }
.fx-now__unit { font-size: var(--fs-label); color: var(--text-secondary); }
.fx-now__rate { font-family: var(--font-display); font-size: 2rem; color: var(--text-primary); font-variant-numeric: tabular-nums; }

.fx-range { margin: 4px 0 2px; }
.fx-range__track { position: relative; height: 8px; border-radius: 999px; background: linear-gradient(90deg, var(--value-positive-soft), var(--surface-hover), var(--value-caution-soft)); }
.fx-range__marker { position: absolute; top: 50%; width: 14px; height: 14px; border-radius: 50%; background: var(--brand); border: 2px solid var(--surface-card); transform: translate(-50%, -50%); box-shadow: 0 1px 3px rgba(0,0,0,0.35); }
.fx-range__labels { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; font-size: var(--fs-caption); color: var(--text-tertiary); font-variant-numeric: tabular-nums; }
.fx-zone { font-weight: 700; font-size: var(--fs-label); }
.fx-zone--low { color: var(--value-positive); }
.fx-zone--mid { color: var(--text-secondary); }
.fx-zone--high { color: var(--value-caution); }

.fx-note { margin: 12px 0 0; font-size: var(--fs-label); color: var(--text-secondary); line-height: 1.5; }
.fx-disclaim { margin: 8px 0 0; font-size: var(--fs-caption); color: var(--text-tertiary); }

.fx-tips { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 9px; }
.fx-tips li { font-size: var(--fs-label); color: var(--text-secondary); line-height: 1.55; }
.fx-tips b { color: var(--text-primary); font-weight: 600; }

.fx-addbtn { display: inline-flex; align-items: center; gap: 4px; background: none; border: none; cursor: pointer; color: var(--brand); font-family: var(--font-sans); font-size: var(--fs-label); font-weight: 600; padding: 2px 4px; }

.fx-avg { background: var(--surface-sunken); border-radius: var(--radius-md); padding: 12px 14px; display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.fx-avg__row { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; font-size: var(--fs-label); color: var(--text-secondary); }
.fx-avg__main span:last-child { font-size: var(--fs-body); color: var(--text-primary); font-weight: 600; }
.fx-avg__cmp { font-size: var(--fs-caption); color: var(--text-tertiary); margin-top: 2px; }

.fx-addform { display: flex; flex-direction: column; gap: 12px; background: var(--surface-sunken); border-radius: var(--radius-md); padding: 14px; margin-bottom: 12px; }
.fx-addform__row { display: flex; gap: 10px; }

.fx-list { display: flex; flex-direction: column; }
.fx-empty { font-size: var(--fs-label); color: var(--text-tertiary); line-height: 1.5; margin: 4px 0 0; }
.fx-row { display: flex; align-items: center; gap: 10px; padding: 10px 2px; border-top: 1px solid var(--line-faint, var(--line)); }
.fx-row:first-child { border-top: none; }
.fx-row__main { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.fx-row__date { font-size: var(--fs-caption); color: var(--text-tertiary); }
.fx-row__amt { font-size: var(--fs-label); color: var(--text-primary); font-variant-numeric: tabular-nums; }
.fx-row__rate { font-size: var(--fs-label); color: var(--text-secondary); font-variant-numeric: tabular-nums; width: 56px; text-align: right; }
.fx-row__del { background: none; border: none; cursor: pointer; color: var(--text-tertiary); padding: 6px; font-size: 1.05rem; }
.fx-row__del:hover { color: var(--value-negative); }

/* 總覽的換匯參考卡(可點開) */
.ov-fxcard { width: 100%; text-align: left; background: var(--surface-card); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 16px; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 12px; box-shadow: var(--shadow-sm, 0 1px 2px rgba(0,0,0,0.04)); font-family: inherit; }
.ov-fxcard:hover { background: var(--surface-hover); }
.ov-fxcard__l { display: flex; flex-direction: column; gap: 3px; }
.ov-fxcard__title { font-size: var(--fs-label); color: var(--text-secondary); }
.ov-fxcard__rate { font-family: var(--font-display); font-size: 1.4rem; color: var(--text-primary); font-variant-numeric: tabular-nums; }
.ov-fxcard__r { display: flex; align-items: center; gap: 8px; }
.ov-fxcard__zone { font-size: var(--fs-label); font-weight: 700; }
.ov-fxcard__chev { color: var(--text-tertiary); font-size: 1.1rem; }