/* ==========================================================================
   CocoaChain — Base & App Shell
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

* { margin: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  font-size: var(--text-md);
  line-height: 1.55;
  color: var(--text-1);
  background: var(--bg-canvas);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv11", "ss01";
  min-height: 100vh;
  overflow-x: hidden;
}

img, svg, video, canvas { display: block; max-width: 100%; }
img { height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
table { border-collapse: collapse; width: 100%; }

h1, h2, h3, h4, h5 {
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: 1.2;
  color: var(--text-1);
}
h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
h5 { font-size: var(--text-base); letter-spacing: var(--tracking-snug); }

::selection { background: var(--brand-300); color: var(--gray-900); }

/* ---- Focus ring: visible, consistent, AA ------------------------------ */
:focus-visible {
  outline: 2px solid var(--accent-fg);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}
:focus:not(:focus-visible) { outline: none; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed; top: 10px; left: 10px; z-index: 999;
  transform: translateY(-200%);
  background: var(--brand-500); color: #fff;
  padding: 10px 18px; border-radius: var(--r-sm);
  font-weight: 600; font-size: var(--text-sm);
  transition: transform var(--dur-2) var(--ease-out);
}
.skip-link:focus { transform: translateY(0); }

/* ---- Scrollbars ------------------------------------------------------- */
* { scrollbar-width: thin; scrollbar-color: var(--brd-3) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--brd-2); border-radius: var(--r-full);
  border: 3px solid transparent; background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover { background: var(--brd-3); background-clip: content-box; }

/* ==========================================================================
   AMBIENT BACKGROUND — soft aurora gradient mesh
   ========================================================================== */
.aurora {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
}
.aurora::before,
.aurora::after,
.aurora span {
  content: ""; position: absolute; border-radius: 50%;
  filter: blur(90px); will-change: transform;
}
.aurora::before {
  width: 46vw; height: 46vw; top: -14vw; left: -8vw;
  background: var(--aurora-1);
  animation: drift-a 26s var(--ease) infinite alternate;
}
.aurora::after {
  width: 38vw; height: 38vw; top: 24vh; right: -12vw;
  background: var(--aurora-2);
  animation: drift-b 32s var(--ease) infinite alternate;
}
.aurora span {
  width: 34vw; height: 34vw; bottom: -14vw; left: 32vw;
  background: var(--aurora-3);
  animation: drift-c 29s var(--ease) infinite alternate;
}
@keyframes drift-a { to { transform: translate3d(8vw, 6vh, 0) scale(1.15); } }
@keyframes drift-b { to { transform: translate3d(-7vw, -8vh, 0) scale(1.1); } }
@keyframes drift-c { to { transform: translate3d(5vw, -6vh, 0) scale(1.2); } }

.grid-veil {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 78%);
  opacity: .7;
}

/* ==========================================================================
   APP SHELL
   ========================================================================== */
.app {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  min-height: 100vh;
  transition: grid-template-columns var(--dur-3) var(--ease);
}
.app[data-collapsed="true"] { grid-template-columns: var(--sidebar-w-collapsed) minmax(0, 1fr); }

/* ---- Sidebar ---------------------------------------------------------- */
.sidebar {
  position: sticky; top: 0; height: 100vh; z-index: 60;
  display: flex; flex-direction: column;
  background: var(--bg-sidebar);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-right: 1px solid var(--brd-1);
  overflow: hidden;
}

.brand {
  display: flex; align-items: center; gap: var(--s-3);
  height: var(--topbar-h); padding: 0 var(--s-5);
  flex-shrink: 0;
}
.brand-mark {
  width: 34px; height: 34px; flex-shrink: 0;
  border-radius: 11px;
  background: linear-gradient(140deg, var(--brand-400), var(--brand-600) 60%, var(--gold-400));
  display: grid; place-items: center;
  box-shadow: var(--shadow-brand);
  position: relative; overflow: hidden;
}
.brand-mark::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,.45) 45%, transparent 60%);
  transform: translateX(-120%);
  animation: sheen 5.5s var(--ease) infinite;
}
@keyframes sheen { 0%, 65% { transform: translateX(-120%);} 85%,100% { transform: translateX(120%);} }
.brand-mark svg { width: 19px; height: 19px; color: #fff; position: relative; z-index: 1; }
.brand-text { display: flex; flex-direction: column; min-width: 0; }
.brand-name {
  font-size: var(--text-base); font-weight: 700;
  letter-spacing: var(--tracking-tight); white-space: nowrap;
}
.brand-sub {
  font-size: var(--text-2xs); color: var(--text-3); font-weight: 500;
  letter-spacing: var(--tracking-caps); text-transform: uppercase; white-space: nowrap;
}

.sidebar-search {
  padding: var(--s-2) var(--s-4) var(--s-4);
  flex-shrink: 0;
}
.side-search-btn {
  width: 100%; display: flex; align-items: center; gap: var(--s-2);
  height: 38px; padding: 0 var(--s-3);
  border-radius: var(--r-md);
  background: var(--bg-sunken);
  border: 1px solid var(--brd-1);
  color: var(--text-3); font-size: var(--text-sm);
  transition: all var(--dur-2) var(--ease);
}
.side-search-btn:hover { border-color: var(--brd-2); color: var(--text-2); background: var(--bg-inset); }
.side-search-btn svg { width: 15px; height: 15px; flex-shrink: 0; }
.side-search-btn .kbd { margin-left: auto; }

.nav {
  flex: 1; overflow-y: auto; overflow-x: hidden;
  padding: 0 var(--s-3) var(--s-4);
  display: flex; flex-direction: column; gap: 2px;
}
.nav-group-label {
  font-size: var(--text-2xs); font-weight: 600; text-transform: uppercase;
  letter-spacing: var(--tracking-caps); color: var(--text-4);
  padding: var(--s-5) var(--s-3) var(--s-2);
  white-space: nowrap;
}
.nav-item {
  position: relative;
  display: flex; align-items: center; gap: var(--s-3);
  height: 38px; padding: 0 var(--s-3);
  border-radius: var(--r-md);
  color: var(--text-2); font-size: var(--text-md); font-weight: 500;
  white-space: nowrap;
  transition: background var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
}
.nav-item svg { width: 17px; height: 17px; flex-shrink: 0; stroke-width: 1.8; }
.nav-item:hover { background: var(--bg-hover); color: var(--text-1); }
.nav-item[aria-current="page"] {
  background: var(--brand-soft); color: var(--accent-fg); font-weight: 600;
}
.nav-item[aria-current="page"]::before {
  content: ""; position: absolute; left: -12px; top: 50%; transform: translateY(-50%);
  width: 3px; height: 18px; border-radius: 0 3px 3px 0; background: var(--accent-fg);
}
.nav-item .nav-badge {
  margin-left: auto; font-size: var(--text-2xs); font-weight: 600;
  padding: 2px 7px; border-radius: var(--r-full);
  background: var(--danger); color: #fff;
}
.nav-item .nav-chevron {
  margin-left: auto; width: 14px; height: 14px; color: var(--text-4);
  transition: transform var(--dur-2) var(--ease);
}
.nav-sub {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-3) var(--ease);
}
.nav-sub > div { overflow: hidden; }
.nav-parent[aria-expanded="true"] + .nav-sub { grid-template-rows: 1fr; }
.nav-parent[aria-expanded="true"] .nav-chevron { transform: rotate(90deg); }
.nav-sub .nav-item {
  height: 34px; font-size: var(--text-sm);
  padding-left: calc(var(--s-3) + 29px);
}
.nav-sub .nav-item::after {
  content: ""; position: absolute; left: 20px; top: 0; bottom: 0;
  width: 1px; background: var(--brd-1);
}

.sidebar-foot {
  flex-shrink: 0; padding: var(--s-3);
  border-top: 1px solid var(--brd-1);
  display: flex; flex-direction: column; gap: var(--s-2);
}

.node-pill {
  display: flex; align-items: center; gap: var(--s-3);
  padding: var(--s-3); border-radius: var(--r-md);
  background: var(--bg-sunken); border: 1px solid var(--brd-1);
}
.node-pill .meta { min-width: 0; flex: 1; }
.node-pill .t { font-size: var(--text-xs); font-weight: 600; white-space: nowrap; }
.node-pill .s { font-size: var(--text-2xs); color: var(--text-3); font-family: var(--font-mono); white-space: nowrap; }

.user-chip {
  display: flex; align-items: center; gap: var(--s-3);
  padding: var(--s-2); border-radius: var(--r-md);
  transition: background var(--dur-2) var(--ease);
  width: 100%;
}
.user-chip:hover { background: var(--bg-hover); }
.user-chip .meta { min-width: 0; flex: 1; text-align: left; }
.user-chip .t { font-size: var(--text-sm); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-chip .s { font-size: var(--text-2xs); color: var(--text-3); white-space: nowrap; }
.user-chip svg { width: 15px; height: 15px; flex-shrink: 0; }

/* ---- Collapsed sidebar ------------------------------------------------ */
.app[data-collapsed="true"] .brand-text,
.app[data-collapsed="true"] .brand-sub,
.app[data-collapsed="true"] .nav-item span,
.app[data-collapsed="true"] .nav-item .nav-badge,
.app[data-collapsed="true"] .nav-item .nav-chevron,
.app[data-collapsed="true"] .nav-group-label,
.app[data-collapsed="true"] .side-search-btn .lbl,
.app[data-collapsed="true"] .side-search-btn .kbd,
.app[data-collapsed="true"] .node-pill .meta,
.app[data-collapsed="true"] .user-chip .meta {
  opacity: 0; width: 0; overflow: hidden; pointer-events: none;
}
.app[data-collapsed="true"] .nav-group-label { height: var(--s-5); padding: var(--s-4) 0 0; }
.app[data-collapsed="true"] .brand,
.app[data-collapsed="true"] .nav-item,
.app[data-collapsed="true"] .side-search-btn,
.app[data-collapsed="true"] .node-pill,
.app[data-collapsed="true"] .user-chip { justify-content: center; padding-inline: 0; }
.app[data-collapsed="true"] .nav-sub { display: none; }
.app[data-collapsed="true"] .nav-item:hover::after {
  content: attr(data-label);
  position: absolute; left: calc(100% + 12px); top: 50%; transform: translateY(-50%);
  background: var(--gray-900); color: #fff;
  padding: 6px 10px; border-radius: var(--r-sm);
  font-size: var(--text-xs); font-weight: 500; white-space: nowrap;
  box-shadow: var(--shadow-lg); z-index: 100;
  animation: pop-in var(--dur-2) var(--ease-out);
}
[data-theme="dark"] .app[data-collapsed="true"] .nav-item:hover::after { background: var(--gray-800); border: 1px solid var(--brd-2); }
@keyframes pop-in { from { opacity: 0; transform: translate(-4px, -50%); } }

/* ---- Main / Topbar ---------------------------------------------------- */
.main { min-width: 0; display: flex; flex-direction: column; }

.topbar {
  position: sticky; top: 0; z-index: 50;
  height: var(--topbar-h); flex-shrink: 0;
  display: flex; align-items: center; gap: var(--s-4);
  padding: 0 var(--s-7);
  background: var(--bg-topbar);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--brd-1);
}

.icon-btn {
  width: 36px; height: 36px; flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: var(--r-md); color: var(--text-2);
  transition: all var(--dur-2) var(--ease);
  position: relative;
}
.icon-btn svg { width: 17px; height: 17px; stroke-width: 1.8; }
.icon-btn:hover { background: var(--bg-hover); color: var(--text-1); }
.icon-btn:active { transform: scale(.94); }
.icon-btn .dot {
  position: absolute; top: 7px; right: 7px;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--danger); border: 2px solid var(--bg-surface);
}

/* Breadcrumb */
.crumbs { display: flex; align-items: center; gap: var(--s-2); min-width: 0; font-size: var(--text-sm); }
.crumbs a { color: var(--text-3); transition: color var(--dur-1); white-space: nowrap; }
.crumbs a:hover { color: var(--text-1); }
.crumbs .sep { color: var(--text-4); display: grid; place-items: center; }
.crumbs .sep svg { width: 13px; height: 13px; }
.crumbs .cur { color: var(--text-1); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.topbar-spacer { flex: 1; }

.top-search {
  position: relative; width: min(330px, 30vw);
}
.top-search input {
  width: 100%; height: 36px;
  padding: 0 var(--s-3) 0 34px;
  border-radius: var(--r-md);
  background: var(--bg-sunken); border: 1px solid var(--brd-1);
  font-size: var(--text-sm); color: var(--text-1);
  transition: all var(--dur-2) var(--ease);
}
.top-search input::placeholder { color: var(--text-4); }
.top-search input:focus {
  outline: none; background: var(--bg-surface);
  border-color: var(--brand-400);
  box-shadow: 0 0 0 3px var(--brand-soft);
}
.top-search svg {
  position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
  width: 15px; height: 15px; color: var(--text-4); pointer-events: none;
}

/* Status pills in topbar */
.status-pill {
  display: inline-flex; align-items: center; gap: var(--s-2);
  height: 32px; padding: 0 var(--s-3);
  border-radius: var(--r-full);
  background: var(--bg-sunken); border: 1px solid var(--brd-1);
  font-size: var(--text-xs); font-weight: 500; color: var(--text-2);
  white-space: nowrap;
  transition: all var(--dur-2) var(--ease);
}
.status-pill:hover { border-color: var(--brd-2); background: var(--bg-inset); }
.status-pill svg { width: 14px; height: 14px; }
.status-pill .val { font-family: var(--font-mono); color: var(--text-1); font-weight: 500; }

.pulse-dot {
  width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0;
  background: var(--success); position: relative;
}
.pulse-dot::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  background: inherit; animation: pulse-ring 2s var(--ease-out) infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(1); opacity: .7; }
  100% { transform: scale(3.2); opacity: 0; }
}
.pulse-dot.warn { background: var(--warning); }
.pulse-dot.bad  { background: var(--danger); }

.avatar {
  width: 32px; height: 32px; border-radius: var(--r-full); flex-shrink: 0;
  display: grid; place-items: center;
  font-size: var(--text-xs); font-weight: 600; color: #fff;
  background: linear-gradient(140deg, var(--brand-400), var(--brand-600));
  box-shadow: var(--shadow-xs);
}
.avatar.lg { width: 44px; height: 44px; font-size: var(--text-md); }
.avatar.sm { width: 26px; height: 26px; font-size: var(--text-2xs); }
.avatar.gold { background: linear-gradient(140deg, var(--gold-300), var(--gold-500)); }
.avatar.blue { background: linear-gradient(140deg, #60a5fa, #2563eb); }
.avatar.violet { background: linear-gradient(140deg, #a78bfa, #7c3aed); }
.avatar.success { background: linear-gradient(140deg, #4ade80, #16a34a); }
.avatar.danger { background: linear-gradient(140deg, #f87171, #dc2626); }

/* ---- Page container --------------------------------------------------- */
.page {
  flex: 1; width: 100%; max-width: var(--page-max);
  margin-inline: auto; padding: var(--s-7) var(--s-7) var(--s-11);
  animation: page-enter var(--dur-4) var(--ease-out) both;
}
@keyframes page-enter {
  from { opacity: 0; transform: translateY(10px); }
}

.page-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--s-6); flex-wrap: wrap; margin-bottom: var(--s-7);
}
.page-title {
  font-size: var(--text-3xl); font-weight: 700;
  letter-spacing: var(--tracking-tight);
  display: flex; align-items: center; gap: var(--s-3);
}
.page-sub { color: var(--text-2); font-size: var(--text-base); margin-top: var(--s-2); max-width: 66ch; }
.page-actions { display: flex; align-items: center; gap: var(--s-3); flex-wrap: wrap; }

/* ---- Grid helpers ----------------------------------------------------- */
.grid { display: grid; gap: var(--s-5); }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.g-auto { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.span-2 { grid-column: span 2; } .span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; } .span-6 { grid-column: span 6; }
.row { display: flex; align-items: center; gap: var(--s-3); }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); }
.col { display: flex; flex-direction: column; gap: var(--s-3); }
.wrap { flex-wrap: wrap; }
.mt-2 { margin-top: var(--s-2); } .mt-3 { margin-top: var(--s-3); }
.mt-4 { margin-top: var(--s-4); } .mt-5 { margin-top: var(--s-5); }
.mt-6 { margin-top: var(--s-6); } .mt-7 { margin-top: var(--s-7); }
.mb-4 { margin-bottom: var(--s-4); } .mb-5 { margin-bottom: var(--s-5); }
.mb-6 { margin-bottom: var(--s-6); } .mb-7 { margin-bottom: var(--s-7); }
.ml-auto { margin-left: auto; }
.text-c { text-align: center; }
.mono { font-family: var(--font-mono); font-size: .92em; letter-spacing: -.01em; }
.muted { color: var(--text-2); }
.dim   { color: var(--text-3); }
.tiny  { font-size: var(--text-xs); }
.eyebrow {
  font-size: var(--text-2xs); font-weight: 600; text-transform: uppercase;
  letter-spacing: var(--tracking-caps); color: var(--text-3);
}
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hide { display: none !important; }

/* ---- Mobile ----------------------------------------------------------- */
.mobile-nav { display: none; }
.scrim {
  position: fixed; inset: 0; z-index: 55;
  background: rgba(8, 14, 11, .5);
  backdrop-filter: blur(3px);
  opacity: 0; pointer-events: none;
  transition: opacity var(--dur-3) var(--ease);
}
.scrim.on { opacity: 1; pointer-events: auto; }

@media (max-width: 1200px) {
  .g-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .g-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .span-4 { grid-column: span 2; }
}
@media (max-width: 1024px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .sidebar {
    position: fixed; left: 0; top: 0; width: var(--sidebar-w); z-index: 70;
    transform: translateX(-100%);
    transition: transform var(--dur-3) var(--ease);
    background: var(--bg-surface);
  }
  .app[data-mobile-open="true"] .sidebar { transform: translateX(0); box-shadow: var(--shadow-xl); }
  .app[data-collapsed="true"] .sidebar { width: var(--sidebar-w); }
  .app[data-collapsed="true"] .brand-text, .app[data-collapsed="true"] .nav-item span,
  .app[data-collapsed="true"] .nav-group-label, .app[data-collapsed="true"] .user-chip .meta,
  .app[data-collapsed="true"] .node-pill .meta, .app[data-collapsed="true"] .side-search-btn .lbl {
    opacity: 1; width: auto;
  }
  .app[data-collapsed="true"] .brand, .app[data-collapsed="true"] .nav-item,
  .app[data-collapsed="true"] .side-search-btn, .app[data-collapsed="true"] .user-chip,
  .app[data-collapsed="true"] .node-pill { justify-content: flex-start; padding-inline: var(--s-3); }
  .topbar { padding-inline: var(--s-5); }
  .page { padding: var(--s-5) var(--s-5) var(--s-12); }
  .g-3, .g-6 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .span-3, .span-6 { grid-column: span 2; }
  .mobile-nav { display: flex; }
}
@media (max-width: 720px) {
  :root { --topbar-h: 58px; }
  .g-2, .g-3, .g-4, .g-6 { grid-template-columns: minmax(0, 1fr); }
  .span-2, .span-3, .span-4, .span-6 { grid-column: span 1; }
  .page-title { font-size: var(--text-2xl); }
  .top-search { display: none; }
  .crumbs .hide-sm { display: none; }
  .page { padding: var(--s-4) var(--s-4) 96px; }
}

/* ---- Bottom nav (mobile) ---------------------------------------------- */
.mobile-nav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 65;
  height: 66px; padding: 0 var(--s-2) env(safe-area-inset-bottom);
  align-items: center; justify-content: space-around;
  background: var(--bg-topbar);
  backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--brd-1);
}
@media (min-width: 1025px) { .mobile-nav { display: none !important; } }
.mobile-nav a {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 8px 0; border-radius: var(--r-md);
  font-size: var(--text-2xs); font-weight: 500; color: var(--text-3);
  min-height: 48px; justify-content: center;
  transition: color var(--dur-2) var(--ease);
}
.mobile-nav a svg { width: 20px; height: 20px; stroke-width: 1.8; }
.mobile-nav a[aria-current="page"] { color: var(--accent-fg); font-weight: 600; }

/* ---- FAB -------------------------------------------------------------- */
.fab {
  position: fixed; right: var(--s-6); bottom: var(--s-6); z-index: 64;
  height: 52px; padding: 0 var(--s-5);
  display: inline-flex; align-items: center; gap: var(--s-2);
  border-radius: var(--r-full);
  background: linear-gradient(140deg, var(--brand-400), var(--brand-600));
  color: #fff; font-weight: 600; font-size: var(--text-md);
  box-shadow: var(--shadow-brand), var(--shadow-lg);
  transition: transform var(--dur-2) var(--ease-spring), box-shadow var(--dur-2) var(--ease);
}
.fab:hover { transform: translateY(-3px) scale(1.02); }
.fab:active { transform: scale(.97); }
.fab svg { width: 19px; height: 19px; }
@media (max-width: 1024px) { .fab { bottom: 82px; right: var(--s-4); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important;
    transition-duration: .01ms !important; scroll-behavior: auto !important;
  }
}