/* =========================================================
   老涂家记 · 视觉系统 v2
   字体：Noto Serif SC（展示标题） / Noto Sans SC（正文） / Space Grotesk（数字）
   配色：70 纸暖底 · 20 陶土橙 · 10 墨/红绿强调
   ========================================================= */
:root {
  --paper: #f4ecdf;
  --paper-2: #ece1cf;
  --ink: #2c2722;
  --ink-soft: #756c5f;
  --ink-faint: #a89e8d;
  --terracotta: #df7236;
  --terracotta-deep: #c2541c;
  --terracotta-glow: rgba(223, 114, 54, 0.18);
  --green: #2f9e6b;
  --green-deep: #1f7d54;
  --red: #d8453b;
  --red-deep: #b2332b;
  --gold: #c9942f;
  --card: rgba(255, 252, 245, 0.82);
  --card-solid: #fffdf7;
  --card-border: rgba(201, 181, 152, 0.45);
  --shadow-sm: 0 2px 10px rgba(86, 64, 33, 0.06);
  --shadow-md: 0 10px 30px rgba(86, 64, 33, 0.10);
  --shadow-lg: 0 22px 60px rgba(86, 64, 33, 0.16);
  --radius: 18px;
  --radius-sm: 12px;
  --safe-b: env(safe-area-inset-bottom);
  --font-body: "Noto Sans SC", system-ui, sans-serif;
  --font-display: "Noto Serif SC", "Noto Sans SC", serif;
  --font-num: "Space Grotesk", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }

body {
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  min-height: 100vh;
  min-height: 100dvh;
  background:
    radial-gradient(120% 80% at 88% -8%, rgba(223, 114, 54, 0.20), transparent 60%),
    radial-gradient(90% 70% at -10% 8%, rgba(201, 148, 47, 0.14), transparent 55%),
    radial-gradient(140% 120% at 50% 120%, rgba(47, 158, 107, 0.08), transparent 60%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
  background-attachment: fixed;
}

/* 数字统一用展示字体，开启等高数字 */
.num { font-family: var(--font-num); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }

/* ===================== 顶部品牌栏 ===================== */
.site-header {
  position: sticky; top: 0; z-index: 30;
  padding: calc(16px + env(safe-area-inset-top)) 18px 16px;
  text-align: center;
  color: #fff;
  background:
    radial-gradient(120% 140% at 50% -40%, rgba(255, 255, 255, 0.22), transparent 55%),
    linear-gradient(135deg, var(--terracotta) 0%, var(--terracotta-deep) 100%);
  box-shadow: 0 6px 22px rgba(194, 84, 28, 0.28);
}
.site-header .brand {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 700; letter-spacing: 0.06em;
  display: inline-flex; align-items: center; gap: 10px;
}
.site-header .brand .seal {
  width: 30px; height: 30px; border-radius: 9px;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.4);
  font-size: 16px;
}
.site-header .sub {
  margin-top: 3px; font-size: 12px; opacity: 0.85; letter-spacing: 0.18em;
}
/* 标题后的数据来源标签（腾讯文档 / git文档 / 数据快照） */
.site-header .brand .src-label {
  font-family: var(--font-base, "Noto Sans SC", system-ui, sans-serif);
  font-size: 13px; font-weight: 500; letter-spacing: 0.02em;
  margin-left: 2px; padding: 2px 8px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.32);
  color: #fff; opacity: 0.92; white-space: nowrap;
}

/* 顶部刷新按钮（读取 Excel） */
.refresh-btn {
  position: absolute; top: 50%; right: 16px; transform: translateY(-50%);
  width: 42px; height: 42px; border-radius: 50%; border: 0; cursor: pointer;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  transition: background 0.2s, transform 0.1s;
}
.refresh-btn:active { transform: translateY(-50%) scale(0.92); }
.refresh-btn .ricon { width: 22px; height: 22px; display: block; }
.refresh-btn .ricon svg {
  width: 100%; height: 100%; display: block;
  fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round;
}
.refresh-btn.spinning .ricon { animation: spin 0.8s linear infinite; }
.refresh-btn:focus-visible { outline: 3px solid rgba(255, 255, 255, 0.7); outline-offset: 2px; }

/* 轻提示 toast */
.toast {
  position: fixed; left: 50%; bottom: calc(96px + var(--safe-b)); z-index: 70;
  max-width: 88%; padding: 12px 18px; border-radius: 999px;
  background: rgba(44, 39, 34, 0.92); color: #fff; font-size: 13.5px; line-height: 1.4;
  box-shadow: var(--shadow-md); backdrop-filter: blur(6px); text-align: center;
  opacity: 0; visibility: hidden; transform: translateX(-50%) translateY(10px);
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
}
.toast.show { opacity: 1; visibility: visible; transform: translateX(-50%); }
.toast.err { background: rgba(178, 51, 43, 0.95); }

/* ===================== 底部 TabBar（仿微信小程序） ===================== */
.tabbar {
  position: fixed !important; left: 50%; bottom: 0 !important; transform: translateX(-50%); z-index: 50;
  width: 100%; max-width: 760px;
  display: flex;
  background: rgba(255, 252, 245, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--card-border);
  box-shadow: 0 -6px 22px rgba(86, 64, 33, 0.10);
  padding-bottom: env(safe-area-inset-bottom);
}
.tabbar .tab {
  flex: 1; border: 0; background: transparent; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; padding: 7px 0 6px; min-height: 56px;
  color: var(--ink-faint); font-family: var(--font-body); font-size: 11px; letter-spacing: 0.02em;
  transition: color 0.2s, transform 0.1s;
}
.tabbar .tab:active { transform: scale(0.94); }
.tabbar .tab .tico { width: 25px; height: 25px; display: block; }
.tabbar .tab .tico svg {
  width: 100%; height: 100%; display: block;
  fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
  transition: transform 0.2s;
}
.tabbar .tab.active { color: var(--terracotta-deep); font-weight: 700; }
.tabbar .tab.active .tico svg { transform: translateY(-1px) scale(1.06); }
.tabbar .tab:focus-visible { outline: 3px solid var(--terracotta-glow); outline-offset: -3px; border-radius: 12px; }

main { padding: 14px 16px calc(78px + var(--safe-b)); max-width: 760px; margin: 0 auto; }
.view { display: none; }
.view.active { display: block; animation: fade-up 0.4s ease both; }
@keyframes fade-up { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ===================== 通用卡片（玻璃） ===================== */
.card {
  background: var(--card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 18px; margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
}
.row { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.row + .row { margin-top: 2px; }
.muted { color: var(--ink-soft); }
.faint { color: var(--ink-faint); font-size: 12px; }
.green { color: var(--green-deep); }
.red { color: var(--red-deep); }
.big { font-size: 24px; font-weight: 700; }

/* ===================== Hero（统计页头条） ===================== */
.hero {
  position: relative; overflow: hidden;
  border-radius: var(--radius);
  padding: 22px 20px 18px;
  color: #fff;
  background:
    radial-gradient(130% 120% at 100% 0%, rgba(255, 255, 255, 0.22), transparent 50%),
    linear-gradient(135deg, #3a332b 0%, #2c2722 100%);
  box-shadow: var(--shadow-md);
  margin-bottom: 14px;
}
.hero .eyebrow { font-size: 12px; letter-spacing: 0.2em; opacity: 0.8; }
.hero .figure {
  font-family: var(--font-num); font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 8.5vw, 40px); font-weight: 700; line-height: 1.1; margin: 6px 0 2px;
  letter-spacing: -0.02em; overflow-wrap: anywhere;
}
.hero .figure .unit { font-size: 18px; font-weight: 500; opacity: 0.8; margin-right: 2px; }
.hero .delta { font-size: 14px; font-weight: 600; }
.hero .spark { margin-top: 14px; width: 100%; height: 56px; display: block; }
.hero .spark .line { fill: none; stroke: rgba(255, 255, 255, 0.85); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.hero .spark .area { fill: rgba(255, 255, 255, 0.10); }
.hero .spark .dot { fill: #fff; }
.hero .cap { margin-top: 8px; font-size: 12px; opacity: 0.75; text-align: right; }

/* ===================== 模式切换 ===================== */
.mode-tabs {
  display: flex; gap: 0; margin-bottom: 14px;
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 999px; padding: 4px; box-shadow: var(--shadow-sm);
}
.mtab {
  flex: 1; text-align: center; padding: 12px 0; min-height: 44px; border: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  background: transparent; color: var(--ink-soft); font-size: 15px; border-radius: 999px;
  transition: background 0.25s, color 0.2s;
}
.mtab.active { background: linear-gradient(135deg, var(--terracotta), var(--terracotta-deep)); color: #fff; font-weight: 700; }
.mtab:focus-visible { outline: 3px solid var(--terracotta-glow); outline-offset: -2px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.chip {
  flex: 1 1 auto; min-width: 56px; text-align: center;
  padding: 9px 12px; min-height: 42px; border: 1px solid var(--card-border); border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
  background: var(--card); color: var(--ink-soft); cursor: pointer; font-size: 14px;
  transition: all 0.2s;
}
.chip.active {
  background: linear-gradient(135deg, var(--terracotta), var(--terracotta-deep));
  color: #fff; border-color: transparent; font-weight: 700;
  box-shadow: 0 6px 16px var(--terracotta-glow);
}
.chip:focus-visible { outline: 3px solid var(--terracotta-glow); outline-offset: 2px; }

/* ===================== 柱状图 ===================== */
.bars {
  display: flex; align-items: flex-end; gap: 8px; height: 180px; padding: 22px 0 4px;
}
.bar-item { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; min-width: 0; cursor: pointer; -webkit-tap-highlight-color: transparent; }
.bar-item:active { transform: scale(0.97); }
.bar-item:focus-visible { outline: 2px solid var(--terracotta-glow); outline-offset: 3px; border-radius: 7px; }
.bar-val { font-family: var(--font-num); font-size: 11px; margin-bottom: 3px; color: var(--ink-soft); white-space: nowrap; }
.bar-track {
  width: 64%; max-width: 30px; display: flex; flex-direction: column; justify-content: flex-end; flex: 1;
  border-radius: 7px 7px 0 0; overflow: hidden;
  background: linear-gradient(180deg, rgba(201,181,152,0.18), rgba(201,181,152,0.06));
}
.bar-inc, .bar-exp { width: 100%; border-radius: 5px 5px 0 0; }
.bar-inc { background: linear-gradient(180deg, #46b884, var(--green-deep)); }
.bar-exp { background: linear-gradient(180deg, #e56b62, var(--red-deep)); }
.bar-label { font-size: 11px; color: var(--ink-faint); margin-top: 7px; }
.bar-item .bar-track > div { animation: grow 0.7s cubic-bezier(.2,.8,.2,1) both; transform-origin: bottom; }
@keyframes grow { from { transform: scaleY(0); } to { transform: scaleY(1); } }

/* ===================== 分类汇总 ===================== */
.cat-head { font-size: 13px; color: var(--ink-soft); margin-bottom: 8px; letter-spacing: 0.04em; }
.cat-row { display: flex; justify-content: space-between; align-items: center; padding: 9px 0; border-bottom: 1px dashed var(--card-border); }
.cat-row:last-child { border-bottom: 0; }
.cat-row .name { font-weight: 500; }
.cat-row .vals { font-family: var(--font-num); font-size: 14px; }
.cat-row .vals .i { color: var(--green-deep); }
.cat-row .vals .e { color: var(--red-deep); }
.cat-pill {
  display: inline-block; background: rgba(223,114,54,0.12); color: var(--terracotta-deep);
  border-radius: 999px; padding: 2px 10px; font-size: 12px; font-weight: 500;
}

/* ===================== 明细 ===================== */
.filters { display: flex; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.filters select {
  flex: 1; min-width: 130px; padding: 11px 12px;
  border: 1px solid var(--card-border); border-radius: var(--radius-sm);
  background: var(--card-solid); color: var(--ink); font-family: var(--font-body); font-size: 14px;
  appearance: none; cursor: pointer;
}
.filters select:focus-visible { outline: 3px solid var(--terracotta-glow); outline-offset: 1px; }
.rec {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 14px 14px; margin-bottom: 10px; cursor: pointer;
  background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm); transition: transform 0.12s, box-shadow 0.2s, border-color 0.2s;
}
.rec:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: rgba(223,114,54,0.4); }
.rec:active { transform: translateY(0); }
.rec:focus-visible { outline: 3px solid var(--terracotta-glow); outline-offset: 2px; }
.rec .left { min-width: 0; }
.rec .date { font-size: 13px; color: var(--ink-soft); }
.rec .note { font-size: 12px; color: var(--ink-faint); margin-top: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 60vw; }
.rec .amt { font-family: var(--font-num); font-weight: 700; font-size: 17px; white-space: nowrap; flex-shrink: 0; margin-left: 8px; }
.rec .amt.inc { color: var(--green-deep); }
.rec .amt.exp { color: var(--red-deep); }

/* 明细底部弹窗（玻璃 sheet） */
.detail-pop {
  position: fixed; inset: 0; z-index: 60; display: none;
}
.detail-pop.show { display: block; animation: pop-in 0.28s ease both; }
.detail-pop .mask { position: absolute; inset: 0; background: rgba(44, 39, 34, 0.42); backdrop-filter: blur(3px); }
.detail-pop .sheet {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: rgba(255, 252, 245, 0.96);
  backdrop-filter: blur(18px);
  border-radius: 22px 22px 0 0; padding: 22px 22px calc(24px + var(--safe-b));
  box-shadow: 0 -10px 40px rgba(44, 39, 34, 0.25);
  animation: sheet-up 0.32s cubic-bezier(.2,.85,.2,1) both;
}
.detail-pop .grip { width: 44px; height: 5px; border-radius: 999px; background: rgba(201,181,152,0.6); margin: 0 auto 16px; }
.detail-pop .sheet .d-amount { font-family: var(--font-num); font-size: 30px; font-weight: 700; text-align: center; margin-bottom: 4px; }
.detail-pop .sheet .d-amount.inc { color: var(--green-deep); }
.detail-pop .sheet .d-amount.exp { color: var(--red-deep); }
.detail-pop .line { display: flex; justify-content: space-between; padding: 11px 0; border-bottom: 1px solid var(--card-border); font-size: 15px; }
.detail-pop .line .k { color: var(--ink-soft); }
.detail-pop .close {
  text-align: center; margin-top: 18px; padding: 13px;
  background: rgba(223,114,54,0.10); color: var(--terracotta-deep);
  border-radius: var(--radius-sm); font-weight: 600; cursor: pointer;
}
.detail-pop .close.primary {
  background: linear-gradient(135deg, var(--terracotta), var(--terracotta-deep));
  color: #fff; box-shadow: 0 6px 16px var(--terracotta-glow);
}
@keyframes pop-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes sheet-up { from { transform: translateY(100%); } to { transform: none; } }

/* ===================== 资产 ===================== */
.asset-date { font-size: 13px; color: var(--ink-soft); }
.delta { font-weight: 700; font-family: var(--font-num); }
.bank-title {
  display: flex; justify-content: space-between; align-items: center;
  background: linear-gradient(135deg, rgba(223,114,54,0.14), rgba(223,114,54,0.06));
  color: var(--terracotta-deep); border-radius: var(--radius-sm);
  padding: 11px 14px; font-weight: 700; margin: 14px 0 4px;
}
.bank-title .sub { font-family: var(--font-num); font-size: 14px; }
.asset-sub {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px 10px 40px; font-size: 14px;
  border-bottom: 1px dashed var(--card-border);
}
.asset-sub:last-of-type { border-bottom: 0; }
.asset-sub .v { font-family: var(--font-num); font-weight: 600; }
.total-card {
  border: 1px solid var(--card-border); border-radius: var(--radius-sm);
  padding: 14px; margin-top: 12px; background: rgba(201,148,47,0.07);
}
.total-card .row { padding: 4px 0; }
.yield-badge {
  font-family: var(--font-num); font-weight: 700; font-size: 15px;
  padding: 3px 10px; border-radius: 999px;
}
.yield-badge.up { background: rgba(47,158,107,0.14); color: var(--green-deep); }
.yield-badge.down { background: rgba(216,69,59,0.14); color: var(--red-deep); }
.yield-badge.flat { background: rgba(168,158,141,0.2); color: var(--ink-soft); }

/* ===================== 骨架屏 / 加载 / 错误 ===================== */
.skeleton { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 18px; margin-bottom: 14px; }
.sk-line { height: 14px; border-radius: 8px; margin: 10px 0; background: linear-gradient(90deg, rgba(201,181,152,0.18) 25%, rgba(201,181,152,0.34) 37%, rgba(201,181,152,0.18) 63%); background-size: 400% 100%; animation: shimmer 1.3s ease infinite; }
.sk-line.w60 { width: 60%; } .sk-line.w40 { width: 40%; } .sk-line.w80 { width: 80%; }
.sk-block { height: 120px; border-radius: var(--radius-sm); margin: 12px 0; background: linear-gradient(90deg, rgba(201,181,152,0.18) 25%, rgba(201,181,152,0.34) 37%, rgba(201,181,152,0.18) 63%); background-size: 400% 100%; animation: shimmer 1.3s ease infinite; }
@keyframes shimmer { from { background-position: 100% 0; } to { background-position: -100% 0; } }

.spinner { width: 34px; height: 34px; border-radius: 50%; border: 3px solid rgba(223,114,54,0.25); border-top-color: var(--terracotta); animation: spin 0.8s linear infinite; margin: 24px auto; }
@keyframes spin { to { transform: rotate(360deg); } }

.error-card {
  text-align: center; padding: 30px 20px;
  background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.error-card .ico { font-size: 34px; }
.error-card .msg { color: var(--ink-soft); margin: 10px 0 16px; font-size: 14px; }
.error-card button {
  border: 0; cursor: pointer; padding: 12px 26px; border-radius: 999px; color: #fff; font-weight: 700;
  background: linear-gradient(135deg, var(--terracotta), var(--terracotta-deep));
  box-shadow: 0 8px 20px var(--terracotta-glow);
}

.foot { text-align: center; color: var(--ink-faint); font-size: 12px; padding: 18px; letter-spacing: 0.04em; }

/* ===================== 响应式（移动优先） ===================== */
/* 基础样式已面向手机，这里补齐超窄屏与桌面增强 */

/* 超窄屏（≤360px，如 iPhone SE） */
@media (max-width: 360px) {
  main { padding: 12px 12px calc(36px + var(--safe-b)); }
  .card { padding: 14px; }
  .hero { padding: 18px 16px 14px; }
  .hero .figure { font-size: clamp(26px, 8vw, 32px); }
  .bar-track { width: 52%; }
  .bar-label { font-size: 10px; }
  .rec { padding: 12px; }
  .rec .amt { font-size: 16px; }
}

/* 小手机竖屏（≤480px） */
@media (max-width: 480px) {
  .bars { height: 150px; gap: 6px; }
  .bar-val { display: none; }  /* 窄屏顶部数值拥挤，点击月份弹窗查看完整数据 */
  .site-header .brand { font-size: 20px; }
  .filters { gap: 8px; }
  .filters select { padding: 12px 10px; }
}

/* 桌面 / 平板横屏（≥600px） */
@media (min-width: 600px) {
  main { padding-top: 18px; }
  .hero .figure { font-size: 46px; }
  .card { padding: 22px; }
  .bars { height: 200px; }
}

/* 触屏设备：取消 hover 位移，避免「粘住」高亮 */
@media (hover: none) {
  .rec:hover { transform: none; box-shadow: var(--shadow-sm); }
}

/* ===================== 无障碍：尊重减少动效 ===================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

/* ===================== 统计：柱状图悬浮框（已弃用，改为点击底部弹窗） ===================== */
.bar-item { position: relative; }
/*.bar-tip { ... }*/

/* ===================== 统计：分类汇总 ===================== */
.cat-row .vals { display: flex; gap: 12px; font-family: var(--font-num); font-size: 14px; }
.cat-row .vals .e { color: var(--red-deep); }
.cat-total { margin-top: 6px; padding-top: 12px; border-top: 1.5px solid var(--card-border); border-bottom: 0; font-weight: 700; }
.cat-total .name { font-weight: 700; }

/* ===================== 明细：筛选栏三列 ===================== */
.filters select { flex: 1 1 130px; min-width: 120px; }

/* ===================== 资产：折叠/展开 ===================== */
.asset-card { overflow: hidden; }
.asset-head {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  cursor: pointer; border-radius: var(--radius-sm); padding: 2px;
}
.asset-head:focus-visible { outline: 3px solid var(--terracotta-glow); outline-offset: 2px; }
.asset-chev { color: var(--ink-soft); font-size: 18px; transition: transform 0.25s ease; flex: 0 0 auto; }
.asset-card.collapsed .asset-chev { transform: rotate(-90deg); }
.asset-body { margin-top: 4px; }
.asset-card.collapsed .asset-body { display: none; }

/* ===================== 返回顶部悬浮按钮 ===================== */
.to-top {
  position: fixed; right: 18px; bottom: calc(76px + var(--safe-b)); z-index: 40;
  width: 46px; height: 46px; border-radius: 50%; border: 0; cursor: pointer;
  background: linear-gradient(135deg, var(--terracotta), var(--terracotta-deep));
  color: #fff; font-size: 22px; line-height: 1; box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:active { transform: scale(0.93); }
.to-top:focus-visible { outline: 3px solid var(--terracotta-glow); outline-offset: 2px; }