/* Mesh Labs POC — shared design system.
   Brand direction: light operational surfaces, dark red identity, black "magic"
   moments with gray/white shimmer. */

:root {
  /* Brand */
  --mesh-black:#070708; --mesh-black-2:#111114;
  --mesh-red:#C32328; --mesh-red-press:#8F171C;
  --mesh-red-soft:rgba(195,35,40,.12);
  --mesh-gradient:linear-gradient(135deg,#070708 0%,#8F171C 64%,#C32328 100%);
  --magic-shimmer:linear-gradient(90deg,#6F737D 0%,#F7F8FB 48%,#A8ADB7 100%);
  --mesh-noir:#070708; --mesh-noir-2:#111114;

  /* Neutrals */
  --ink:#161616; --ink-2:#3C3C40; --ink-soft:#5E626B; --ink-faint:#8A8E98;
  --line:#EADDE0; --line-strong:#DDC9CD;
  --bg:#F7F1F2; --surface:#FFFFFF; --surface-2:#FCF7F8;
  --on-noir:#FFFFFF; --on-noir-soft:rgba(255,255,255,.66);

  /* Semantic */
  --pass:#0E9F6E; --pass-bg:#E7F8F1; --fail:#E11D48; --fail-bg:#FCE7EC;

  /* Shape & depth */
  --r-card:16px; --r-btn:12px; --r-input:10px; --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(20,20,20,.04);
  --shadow-md:0 1px 2px rgba(20,20,20,.03),0 8px 18px rgba(20,20,20,.04);
  --shadow-lg:0 2px 6px rgba(20,20,20,.06),0 26px 56px rgba(7,7,8,.16);
  --ring:0 0 0 3px rgba(195,35,40,.26);

  --font-display: "SF Pro Display", -apple-system, system-ui, sans-serif;
  --font:-apple-system, "SF Pro Text", system-ui, sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1); --column:440px; --tabbar-h:86px;
}

* { box-sizing:border-box; }
html,body { margin:0; }
body { font-family:var(--font); color:var(--ink); background:var(--bg);
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; line-height:1.5; }
a { color:var(--mesh-red); }
:focus-visible { outline:2px solid var(--mesh-red); outline-offset:2px; }

/* Phone-width column on a neutral field */
.app { max-width:var(--column); margin:0 auto; min-height:100dvh; background:var(--bg);
  display:flex; flex-direction:column; position:relative; overflow:hidden; }
.app::before {
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(195,35,40,.075) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(195,35,40,.075) 1px, transparent 1px);
  background-size:24px 24px;
  mask-image:radial-gradient(ellipse at center, rgba(0,0,0,.82), transparent 76%);
  -webkit-mask-image:radial-gradient(ellipse at center, rgba(0,0,0,.82), transparent 76%);
}
.screen { flex:1; padding:18px 18px calc(240px + var(--tabbar-h) + env(safe-area-inset-bottom)); position:relative; z-index:1; }

/* Top bar */
.topbar { display:flex; align-items:center; gap:12px; padding:16px 18px 2px; position:relative; z-index:1; }
.topbar a.back { color:var(--ink); text-decoration:none; font-size:24px; line-height:1; font-weight:400;
  width:42px; height:42px; display:grid; place-items:center; border-radius:var(--r-pill);
  background:var(--surface); box-shadow:var(--shadow-sm); transition:transform .15s var(--ease); }
.topbar a.back:active { transform:scale(.94); }
.topbar .title { font-size:14px; color:var(--ink-soft); font-weight:600; }

/* Headings & text */
h1 { font-family:var(--font-display); font-size:28px; line-height:1.1; margin:6px 0 4px; font-weight:700;
  text-wrap:balance; }
h2 { font-family:var(--font-display); font-size:20px; line-height:1.2; margin:26px 0 12px; font-weight:600;
  text-wrap:balance; }
.sub { color:var(--ink-soft); margin:0 0 20px; max-width:60ch; font-size:15px; }
.label { display:block; margin-bottom:7px; font-size:13px; font-weight:500; color:var(--ink-2); }
.label .req { color:var(--mesh-red); }

/* Section subhead */
.asset-title { display:flex; align-items:center; gap:8px; margin:22px 2px 8px;
  font-size:15px; font-weight:600; color:var(--ink); }

/* Surfaces */
.card { background:var(--surface); border:1px solid var(--line); border-radius:14px; box-shadow:none;
  padding:18px; margin-bottom:13px; }
.form-panel { background:var(--surface); border:1px solid var(--line); border-radius:14px;
  padding:18px; margin:12px 0 16px; }
.card.tappable { display:flex; align-items:center; justify-content:space-between; gap:14px;
  text-decoration:none; color:inherit; transition:transform .15s var(--ease), box-shadow .15s var(--ease); }
.card.tappable:hover { box-shadow:var(--shadow-md); }
.card.tappable:active { transform:scale(.99); }
.arrow { width:38px; height:38px; border:1px solid var(--line); border-radius:var(--r-pill);
  display:grid; place-items:center; color:var(--ink-soft); font-size:18px; flex:0 0 auto;
  transition:color .15s var(--ease), border-color .15s var(--ease); }
.card.tappable:hover .arrow { color:var(--mesh-red); border-color:var(--mesh-red); }

/* Hero */
.hero { position:relative; overflow:hidden; background:var(--mesh-noir); color:var(--on-noir);
  border-radius:var(--r-card); padding:22px; box-shadow:var(--shadow-lg); margin-bottom:18px; }
.hero > * { position:relative; }
.hero h1 { font-family:var(--font-display); color:var(--on-noir); margin:6px 0 14px; }
.hero .meta { color:var(--on-noir-soft); font-size:14px; }
.progress { height:9px; border-radius:var(--r-pill); background:rgba(255,255,255,.16); overflow:hidden; margin-top:10px; }
.progress > span { display:block; height:100%; background:#FF6400; border-radius:var(--r-pill);
  transition:width .5s var(--ease); }
.progress-row { display:flex; justify-content:space-between; align-items:baseline; gap:12px; }
.progress-row b { font-size:24px; font-weight:600; font-family:var(--font-display); }

/* Buttons — full state vocabulary */
.btn { display:flex; align-items:center; justify-content:center; gap:8px; width:100%; min-height:54px;
  border:none; border-radius:var(--r-btn); padding:0 18px; font:inherit; font-weight:680; font-size:16px;
  cursor:pointer; text-decoration:none; transition:transform .14s var(--ease), box-shadow .14s var(--ease), background .14s var(--ease); }
.btn:active { transform:scale(.985); }
.btn:disabled, .btn[aria-disabled="true"] { opacity:.5; cursor:not-allowed; transform:none; }
.btn-primary { background:var(--mesh-red); color:#fff; box-shadow:0 10px 22px rgba(195,35,40,.20); }
.btn-primary:hover { background:var(--mesh-red-press); }
.btn-ghost { background:var(--surface); color:var(--ink); box-shadow:inset 0 0 0 1px var(--line-strong); }
.btn-ghost:hover { box-shadow:inset 0 0 0 1px var(--ink-faint); }
.btn-row { display:flex; gap:10px; } .btn-row .btn { flex:1; }

/* Sticky footer actions */
.footer { position:fixed; bottom:calc(var(--tabbar-h) - 2px); left:0; right:0; z-index:20; }
.footer-inner { max-width:var(--column); margin:0 auto; padding:14px 18px max(18px, env(safe-area-inset-bottom));
  background:linear-gradient(to top,var(--bg) 68%,transparent); display:flex; flex-direction:column; gap:10px; }

/* Stepper */
.stepper { display:flex; align-items:center; justify-content:center; gap:26px; margin:26px 0; }
.stepper button { width:58px; height:58px; border-radius:var(--r-pill); border:1px solid var(--line-strong);
  background:var(--surface); font-size:26px; color:var(--mesh-red); cursor:pointer; box-shadow:var(--shadow-sm);
  transition:transform .14s var(--ease), border-color .14s var(--ease), color .14s var(--ease); }
.stepper button:hover { border-color:var(--mesh-red); color:var(--mesh-red); } .stepper button:active { transform:scale(.92); }
.stepper .count { font-size:52px; font-weight:600; min-width:72px; text-align:center; font-family:var(--font-display); }

/* Chips */
.chip { display:inline-flex; align-items:center; gap:5px; border-radius:var(--r-pill);
  padding:6px 11px; font-size:12px; font-weight:650; white-space:nowrap; }
.chip-ready { background:var(--mesh-red-soft); color:var(--mesh-red); }
.chip-pending { background:#EEEEF1; color:var(--ink-soft); }
.chip-pass { background:var(--pass-bg); color:var(--pass); }
.chip-fail { background:var(--fail-bg); color:var(--fail); }

/* List panels and rows */
.list-panel { background:var(--surface); border:1px solid var(--line); border-radius:14px; overflow:hidden;
  margin-bottom:14px; }
.section-block { margin:20px 0 24px; }
.row { display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding:14px 16px; border-bottom:1px solid var(--line); text-decoration:none; color:inherit;
  border-radius:0; transition:background .12s var(--ease); }
.row:last-child { border-bottom:none; }
a.row:hover { background:var(--surface-2); }
.row .name { font-weight:600; }
.row .meta { color:var(--ink-soft); font-size:13px; }

/* Forms */
.field { margin-bottom:16px; }
.field:last-child { margin-bottom:0; }
.input,
.field input, .field select { width:100%; min-height:48px; border:1px solid var(--line-strong);
  border-radius:var(--r-input); padding:12px 14px; font:inherit; font-size:15px; background:var(--surface);
  color:var(--ink); transition:border-color .14s var(--ease), box-shadow .14s var(--ease); appearance:none; }
.field select { background-image:linear-gradient(45deg,transparent 50%,var(--ink-faint) 50%),linear-gradient(135deg,var(--ink-faint) 50%,transparent 50%);
  background-position:calc(100% - 18px) 50%, calc(100% - 13px) 50%; background-size:5px 5px, 5px 5px; background-repeat:no-repeat; padding-right:38px; }
.input::placeholder, .field input::placeholder { color:var(--ink-soft); }
.input:hover, .field input:hover, .field select:hover { border-color:var(--ink-faint); }
.input:focus, .field input:focus, .field select:focus { outline:none; border-color:var(--mesh-red); box-shadow:var(--ring); }
.field-unit { text-transform:none; color:var(--ink-faint); font-weight:500; }
.field-pick { justify-content:space-between; text-align:left; font-weight:520; background:var(--surface);
  border:1px solid var(--line-strong); box-shadow:none; padding:12px 14px; min-height:52px;
  border-radius:var(--r-input); width:100%; color:var(--ink); }
.field-pick .pick-value { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.field-pick .chev { transform:rotate(90deg); margin-right:-4px; }
.enum-options { display:flex; flex-wrap:nowrap; gap:10px; width:100%; --enum-font-size:16px; }
.enum-option {
  flex:1 1 auto;
  min-width:0;
  max-width:100%;
  min-height:58px;
  border:1px solid var(--line-strong);
  border-radius:14px;
  padding:0 12px;
  background:var(--surface);
  color:var(--ink);
  font:inherit;
  font-size:var(--enum-font-size);
  font-weight:720;
  white-space:nowrap;
  overflow:visible;
  cursor:pointer;
  transition:background .14s var(--ease), border-color .14s var(--ease), transform .14s var(--ease);
}
.enum-option:hover { border-color:var(--ink-faint); }
.enum-option:active { transform:scale(.98); }
.enum-option:focus-visible { outline:2px solid #C32328; outline-offset:2px; }
.enum-option.is-selected {
  background:var(--mesh-black);
  border-color:var(--mesh-black);
  color:#fff;
}
.composite { display:grid; grid-template-columns:minmax(0,1.45fr) minmax(104px,.75fr); gap:8px; }
.verdict-pass { color:var(--pass); font-size:12px; font-weight:700; margin-left:6px; }
.verdict-fail { color:var(--fail); font-size:12px; font-weight:700; margin-left:6px; }

/* Field execution: optimized for one-handed mobile data entry in the bay. */
.test-form { display:flex; flex-direction:column; gap:12px; }
.test-form > .field,
.test-form .group-body > .field {
  margin:0;
  padding:14px;
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--surface);
}
.test-form .label {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-bottom:9px;
  font-size:12px;
  font-weight:720;
  line-height:1.2;
  text-transform:uppercase;
  letter-spacing:.035em;
  color:var(--ink-soft);
}
.test-form .field input,
.test-form .field select,
.test-form .field-pick {
  min-height:58px;
  border-radius:12px;
  font-size:17px;
  background:#FCFCFD;
}
.test-form .field input[type="number"] {
  font-size:24px;
  font-weight:680;
  letter-spacing:0;
}
.test-form .composite {
  grid-template-columns:minmax(0,1fr) 112px;
}
.test-form .verdict-pass,
.test-form .verdict-fail {
  flex:0 0 auto;
  margin-left:auto;
  padding:4px 8px;
  border-radius:var(--r-pill);
  font-size:11px;
  text-transform:none;
  letter-spacing:0;
}
.test-form .verdict-pass { background:var(--pass-bg); }
.test-form .verdict-fail { background:var(--fail-bg); }

/* Collapsible groups (details/summary) — a section, not a nested card */
.group { border:1px solid var(--line); border-radius:14px; margin-bottom:14px; overflow:hidden;
  background:transparent; }
summary.group-label { cursor:pointer; list-style:none; display:flex; align-items:center;
  justify-content:space-between; gap:10px; padding:14px 16px; margin:0; font-weight:720; color:var(--ink);
  background:var(--surface); transition:background .12s var(--ease); }
summary.group-label:hover { background:#F3F3F5; }
summary.group-label::-webkit-details-marker { display:none; }
.group .group-body { padding:12px; display:flex; flex-direction:column; gap:12px; }
details.group .group-body { border-top:1px solid var(--line); }
.chev { color:var(--ink-faint); font-size:18px; transition:transform .18s var(--ease); }
details.group[open] > summary .chev { transform:rotate(90deg); }
details.group details.group { margin:10px 0 0; box-shadow:none; }

/* Suggestion checkboxes */
.check { display:flex; align-items:center; gap:13px; padding:14px 16px; border-bottom:1px solid var(--line); }
.check:last-child { border-bottom:none; }
.check input { width:22px; height:22px; accent-color:var(--mesh-red); flex:0 0 auto; }
.check.done { opacity:.5; }

/* Asset card with remove action */
.asset-card { display:flex; align-items:center; justify-content:space-between; gap:14px;
  transition:box-shadow .15s var(--ease); }
.asset-card:hover { box-shadow:var(--shadow-lg); }
.asset-link { text-decoration:none; color:inherit; flex:1; min-width:0; }
.asset-actions { display:flex; align-items:center; gap:10px; flex:0 0 auto; }
.icon-remove { width:34px; height:34px; border-radius:var(--r-pill); border:1px solid var(--line);
  background:var(--surface); color:var(--ink-faint); font-size:14px; cursor:pointer; line-height:1;
  transition:color .14s var(--ease), border-color .14s var(--ease), background .14s var(--ease); }
.icon-remove:hover { color:var(--fail); border-color:var(--fail); background:var(--fail-bg); }

/* Field-definition editor rows */
.field-edit { display:flex; align-items:center; gap:10px; padding:10px 0; border-bottom:1px solid var(--line); }
.field-edit:last-child { border-bottom:none; }
.field-edit .lbl-input { flex:1; min-width:0; min-height:42px; border:1px solid var(--line-strong);
  border-radius:11px; padding:9px 12px; font:inherit; font-size:14px; }
.field-edit .lbl-input:focus { outline:none; border-color:var(--mesh-red); box-shadow:var(--ring); }
.field-edit .ftype { font-size:11px; color:var(--ink-faint); text-transform:uppercase; letter-spacing:.03em; flex:0 0 auto; }
.field-edit .req, .field-edit .rm { display:flex; align-items:center; gap:4px; font-size:12px;
  color:var(--ink-soft); white-space:nowrap; flex:0 0 auto; }
.field-edit .rm { color:var(--fail); background:none; border:none; cursor:pointer; font-size:15px; }
.field-edit .rm:hover { color:var(--fail); transform:scale(1.1); }
.field-edit input[type=checkbox] { accent-color:var(--mesh-red); width:16px; height:16px; }
.icon-undo { background:none; border:1px solid var(--line); border-radius:var(--r-pill);
  width:34px; height:34px; color:var(--mesh-red); cursor:pointer; font-size:15px;
  transition:all .14s var(--ease); }
.icon-undo:hover { border-color:var(--mesh-red); background:rgba(195,35,40,.12); color:var(--mesh-red); }

/* Messages */
.flash { display:flex; align-items:center; gap:8px; background:var(--mesh-red);
  color:#fff; border-radius:var(--r-input); padding:11px 14px; margin-bottom:14px;
  font-weight:600; font-size:14px; box-shadow:0 8px 16px rgba(195,35,40,.16); }

/* Empty state */
.empty { text-align:center; color:var(--ink-soft); padding:44px 20px; line-height:1.6;
  border:1px dashed var(--line-strong); border-radius:var(--r-card); background:var(--surface-2); }
/* In-card emptiness: a quiet line, never a nested dashed box */
.empty-inline { color:var(--ink-soft); font-size:14px; line-height:1.5; padding:14px 2px; }

/* Logo */
.logo { display:inline-flex; align-items:center; gap:9px; font-weight:700; font-size:19px;
  color:var(--ink); font-family:var(--font-display); }

/* Loading (mapeando) — ripple bars + text shimmer */
.bars { display:flex; align-items:center; justify-content:center; gap:6px; height:40px; }
.bars span { width:8px; height:32px; border-radius:var(--r-pill); background:var(--magic-shimmer);
  animation:ripple 1s ease-in-out infinite; }
.bars span:nth-child(1){animation-delay:0ms} .bars span:nth-child(2){animation-delay:100ms}
.bars span:nth-child(3){animation-delay:200ms} .bars span:nth-child(4){animation-delay:300ms}
.bars span:nth-child(5){animation-delay:400ms} .bars span:nth-child(6){animation-delay:500ms}
.bars span:nth-child(7){animation-delay:600ms}
@keyframes ripple { 0%,100%{transform:scaleY(.5) scaleX(1) translateY(0)} 50%{transform:scaleY(1.5) scaleX(.8) translateY(-15%)} }
.shimmer { font-weight:700; font-size:18px; line-height:1.3; text-align:center;
  background:linear-gradient(to right,#6F737D 35%,#F7F8FB 50%,#A8ADB7 66%,#6F737D 82%);
  background-size:200% auto; -webkit-background-clip:text; background-clip:text; color:transparent;
  transition:opacity .2s var(--ease); animation:shimmer 2.4s linear infinite; }
@keyframes shimmer { 0%{background-position:200% center} 100%{background-position:-200% center} }

/* Motion off */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration:.001ms !important; animation-iteration-count:1 !important;
    transition-duration:.001ms !important; }
  .shimmer { color:var(--ink-2); -webkit-text-fill-color:var(--ink-2); }
}

/* Print report */
@media print { .no-print { display:none !important; } body { background:#fff; } .app { box-shadow:none; } }

/* Mobile app navigation */
.mobile-tabbar {
  --active-index:1;
  position:fixed;
  left:50%;
  bottom:0;
  transform:translateX(-50%);
  width:min(100%, var(--column));
  min-height:var(--tabbar-h);
  padding:9px 10px max(10px, env(safe-area-inset-bottom));
  display:grid;
  grid-template-columns:repeat(5, minmax(0,1fr));
  gap:3px;
  background:rgba(255,255,255,.88);
  border-top:1px solid rgba(234,221,224,.92);
  box-shadow:0 -18px 42px rgba(7,7,8,.10);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  z-index:40;
}
.mobile-tabbar.active-0 { --active-index:0; }
.mobile-tabbar.active-1 { --active-index:1; }
.mobile-tabbar.active-2 { --active-index:2; }
.mobile-tabbar.active-3 { --active-index:3; }
.mobile-tabbar.active-4 { --active-index:4; }
.mobile-tabbar.no-active .tabbar-indicator {
  opacity:0;
  transform:translateX(calc(var(--active-index) * 100%)) scale(.86);
}
.tabbar-indicator {
  position:absolute;
  top:9px;
  left:10px;
  width:calc((100% - 20px) / 5);
  height:58px;
  border-radius:18px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.66)),
    var(--mesh-red-soft);
  box-shadow:0 10px 24px rgba(195,35,40,.14), inset 0 0 0 1px rgba(195,35,40,.10);
  transform:translateX(calc(var(--active-index) * 100%));
  transition:transform .42s cubic-bezier(.2,.9,.2,1), opacity .2s var(--ease), box-shadow .22s var(--ease);
  will-change:transform;
}
.tabbar-item {
  position:relative;
  min-width:0;
  min-height:58px;
  border-radius:16px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  color:var(--ink-faint);
  text-decoration:none;
  font-size:10px;
  font-weight:720;
  line-height:1;
  transition:color .24s var(--ease), transform .24s var(--ease);
}
.tabbar-item > * { position:relative; z-index:1; }
.tabbar-icon {
  width:25px;
  height:25px;
  border-radius:999px;
  display:grid;
  place-items:center;
  transition:transform .18s var(--ease);
}
.tabbar-icon svg {
  width:21px;
  height:21px;
  fill:none;
  stroke:currentColor;
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.tabbar-item:active {
  transform:translateY(1px) scale(.96);
}
.tabbar-item.is-active {
  color:var(--mesh-red);
}
.tabbar-item.is-active .tabbar-icon {
  transform:translateY(-4px) scale(1.1);
}
.tabbar-item.is-active span:last-child {
  transform:translateY(-1px);
}
.tabbar-item span:last-child {
  transition:transform .24s var(--ease);
}
@media (prefers-reduced-motion: reduce) {
  .tabbar-indicator,
  .tabbar-item,
  .tabbar-icon,
  .tabbar-item span:last-child {
    transition:none;
  }
}
/* Global FAB Overlay */
.fab-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.15);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 45;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
}
.fab-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}

/* Global FAB */
.global-fab-container {
  position: fixed;
  bottom: calc(var(--tabbar-h) + 18px);
  right: 20px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  pointer-events: none;
  transition: opacity 0.2s var(--ease);
}
.global-fab-container.fab-hidden {
  opacity: 0 !important;
  pointer-events: none !important;
}
.global-fab-menu {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 14px;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}
.global-fab-container.is-open .global-fab-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.fab-item {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  color: var(--ink);
}
.fab-item .fab-label {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 8px 14px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.fab-item .fab-icon {
  width: 48px;
  height: 48px;
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  display: grid;
  place-items: center;
  color: var(--ink-2);
}
.fab-main-btn {
  width: 54px;
  height: 54px;
  border: none;
  border-radius: 30px;
  background: var(--mesh-noir);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 28px rgba(74,17,20,0.22);
  cursor: pointer;
  pointer-events: auto;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}
.fab-main-btn:active {
  transform: scale(0.92);
}
.global-fab-container.is-open .fab-main-btn {
  background: var(--ink-2);
}

/* AI Glow */
.ai-glow .fab-label {
  background: var(--mesh-black) !important;
  color: #fff !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
}
.ai-glow .fab-icon {
  background: var(--mesh-black);
  color: #FF6400;
  box-shadow: 0 4px 16px rgba(7,7,8,0.28);
  border: 1px solid rgba(255,255,255,0.2);
}
.ai-text-glow {
  background: linear-gradient(90deg, #FF6400 0%, #FFD2B8 44%, #FF6400 78%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  font-weight: 750;
  display: inline-block;
  filter: drop-shadow(0 2px 4px rgba(7,7,8,0.18));
  animation: shimmer 2.4s linear infinite;
}

/* Bottom Sheet */
.bottom-sheet-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s var(--ease);
}
.bottom-sheet-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}
.bottom-sheet {
  position: fixed;
  bottom: var(--sheet-bottom, max(86px, env(safe-area-inset-bottom)));
  left: max(18px, calc((100vw - var(--column)) / 2 + 18px));
  right: max(18px, calc((100vw - var(--column)) / 2 + 18px));
  background: var(--surface);
  z-index: 101;
  border: 1px solid var(--line);
  border-radius: 18px;
  transform: translateY(calc(100% + var(--sheet-bottom, 86px) + 20px));
  transition: transform 0.3s var(--ease);
  display: flex;
  flex-direction: column;
  max-height: min(58vh, 420px);
  box-shadow: 0 18px 46px rgba(74,17,20,0.22);
}
.bottom-sheet.is-open {
  transform: translateY(0);
}
.bottom-sheet-header {
  padding: 12px 20px 16px;
  display:grid;
  grid-template-columns:32px 1fr 32px;
  align-items:center;
  gap:10px;
  border-bottom: 1px solid var(--line);
}
.bottom-sheet-drag {
  width: 40px;
  height: 4px;
  background: var(--line-strong);
  border-radius: 2px;
  margin: 0 auto 12px;
  grid-column:1 / -1;
}
.bottom-sheet-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  text-align:center;
  grid-column:2;
}
.bottom-sheet-close {
  grid-column:3;
  width:32px;
  height:32px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:var(--surface-2);
  color:var(--ink-soft);
  font:inherit;
  font-size:18px;
  line-height:1;
  cursor:pointer;
}
.bottom-sheet-content {
  overflow-y: auto;
  padding: 6px 18px 14px;
}
.sheet-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  color: var(--ink);
  font-size: 16px;
}
.sheet-option:last-child {
  border-bottom: none;
}
.sheet-option-check {
  color: var(--mesh-red);
  font-weight: bold;
  opacity: 0;
}
.sheet-option.selected {
  font-weight: 600;
}
.sheet-option.selected .sheet-option-check {
  opacity: 1;
}