/**
 * Appily Fortyeight — Seed Signal Desk
 * Distinct layout: kinetic hero + priority tickets + channel tabs + FAQ stream + sticky desk
 */

.page-help-signal {
  --sig-ink: #0C1A14;
  --sig-forest: #163528;
  --sig-lime: #C6F542;
  --sig-mint: #3DDC97;
  --sig-fog: #EAF6EF;
  --sig-mist: #F4FBF7;
  --sig-muted: #5F7468;
  --sig-line: rgba(12, 26, 20, 0.1);
  --sig-ease: cubic-bezier(0.22, 1, 0.36, 1);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(198, 245, 66, 0.14), transparent 55%),
    radial-gradient(900px 420px at 100% 0%, rgba(61, 220, 151, 0.1), transparent 50%),
    var(--sig-mist);
}

.page-help-signal .page-main { padding-top: 0; }

.a48-signal { padding-bottom: 4rem; }

/* ── Hero ── */
.a48-signal-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: var(--sig-ink);
  padding: clamp(2.75rem, 6vw, 4.5rem) 0 clamp(2.25rem, 4vw, 3.25rem);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), 0 100%);
}

.a48-signal-hero-mesh {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 15% 20%, rgba(198, 245, 66, 0.22), transparent 55%),
    radial-gradient(ellipse 50% 60% at 90% 80%, rgba(61, 220, 151, 0.18), transparent 50%),
    linear-gradient(135deg, #0C1A14 0%, #163528 55%, #0F241C 100%);
  animation: a48SigMesh 14s ease-in-out infinite alternate;
}

@keyframes a48SigMesh {
  from { transform: scale(1) translate(0, 0); }
  to { transform: scale(1.06) translate(-1.5%, 1%); }
}

.a48-signal-hero-scan {
  position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(
    180deg,
    transparent 0 3px,
    rgba(198, 245, 66, 0.03) 3px 4px
  );
  mix-blend-mode: screen;
  opacity: .55;
}

.a48-signal-hero-scan::after {
  content: "";
  position: absolute; left: 0; right: 0; height: 28%;
  background: linear-gradient(180deg, transparent, rgba(198, 245, 66, 0.12), transparent);
  animation: a48SigScan 5.5s linear infinite;
}

@keyframes a48SigScan {
  0% { top: -30%; opacity: 0; }
  15% { opacity: 1; }
  100% { top: 110%; opacity: 0; }
}

.a48-signal-hero-inner {
  position: relative;
  max-width: 820px;
  margin-inline: auto;
  text-align: center;
  z-index: 1;
}

.a48-signal-hero-meta {
  display: inline-flex; align-items: center; gap: .65rem;
  margin-bottom: 1.1rem;
  font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255,255,255,.72);
}

.a48-signal-chip {
  padding: .35rem .7rem;
  border: 1px solid rgba(198, 245, 66, 0.45);
  border-radius: 999px;
  color: var(--sig-lime);
  background: rgba(198, 245, 66, 0.08);
  font-weight: 700;
}

.a48-signal-pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--sig-mint);
  box-shadow: 0 0 0 0 rgba(61, 220, 151, 0.7);
  animation: a48SigPulse 1.8s ease-out infinite;
}

@keyframes a48SigPulse {
  0% { box-shadow: 0 0 0 0 rgba(61, 220, 151, 0.65); }
  70% { box-shadow: 0 0 0 12px rgba(61, 220, 151, 0); }
  100% { box-shadow: 0 0 0 0 rgba(61, 220, 151, 0); }
}

.a48-signal-hero h1 {
  margin: 0 0 .85rem;
  font-family: var(--a48-font-serif, Georgia, serif);
  font-size: clamp(2.1rem, 5.2vw, 3.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -.03em;
}

.a48-signal-hero h1 span {
  background: linear-gradient(90deg, var(--sig-lime), var(--sig-mint));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.a48-signal-lede {
  margin: 0 auto 1.5rem;
  max-width: 52ch;
  color: rgba(234, 246, 239, 0.78);
  font-size: .98rem;
  line-height: 1.6;
}

.a48-signal-search {
  position: relative;
  display: flex; align-items: center;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  padding: .35rem .35rem .35rem 1.15rem;
  backdrop-filter: blur(10px);
  transition: border-color .25s, box-shadow .25s;
}

.a48-signal-search:focus-within {
  border-color: rgba(198, 245, 66, .65);
  box-shadow: 0 0 0 4px rgba(198, 245, 66, .12);
}

.a48-signal-search-glow {
  position: absolute; inset: -1px; border-radius: inherit; pointer-events: none;
  background: conic-gradient(from 180deg, transparent, rgba(198,245,66,.35), transparent 40%);
  opacity: 0; transition: opacity .3s;
  z-index: -1;
  filter: blur(8px);
}
.a48-signal-search:focus-within .a48-signal-search-glow { opacity: 1; }

.a48-signal-search input {
  flex: 1; border: 0; outline: 0; background: transparent;
  color: #fff; font: inherit; font-size: 1rem; min-width: 0;
  padding: .85rem .5rem;
}
.a48-signal-search input::placeholder { color: rgba(255,255,255,.45); }
.a48-signal-search-ico {
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--sig-lime); color: var(--sig-ink); font-size: 1.05rem;
}
.a48-signal-search-clear {
  border: 0; background: transparent; color: rgba(255,255,255,.7);
  font-size: 1.4rem; cursor: pointer; padding: .2rem .5rem;
}

.a48-signal-tags {
  display: flex; flex-wrap: wrap; justify-content: center; gap: .45rem;
  margin-top: 1rem;
}
.a48-signal-tag {
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.82);
  border-radius: 999px;
  padding: .35rem .8rem;
  font-size: .74rem; font-weight: 600; letter-spacing: .04em;
  cursor: pointer; transition: .2s var(--sig-ease);
}
.a48-signal-tag:hover, .a48-signal-tag.is-active {
  background: var(--sig-lime); color: var(--sig-ink); border-color: var(--sig-lime);
}

.a48-signal-empty {
  margin: .85rem 0 0; color: rgba(255,255,255,.75); font-size: .88rem;
}
.a48-signal-empty a { color: var(--sig-lime); text-decoration: underline; }

.a48-signal-meters {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem; margin: 1.75rem auto 0; max-width: 420px;
}
.a48-signal-meters div {
  padding: .7rem .5rem;
  border-radius: 14px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
}
.a48-signal-meters dt {
  font-size: .62rem; letter-spacing: .12em; text-transform: uppercase;
  color: rgba(255,255,255,.5); margin: 0 0 .2rem;
}
.a48-signal-meters dd {
  margin: 0; font-family: var(--a48-font-serif, Georgia, serif);
  font-size: 1.35rem; font-weight: 700; color: var(--sig-lime);
}

/* ── Priority tickets ── */
.a48-signal-priority {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .85rem;
  margin-top: -1.1rem;
  position: relative;
  z-index: 2;
}

.a48-signal-ticket {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: .75rem;
  padding: 1rem 1.05rem;
  background: #fff;
  border: 1px solid var(--sig-line);
  border-radius: 18px;
  box-shadow: 0 16px 36px rgba(12, 26, 20, 0.08);
  transition: transform .35s var(--sig-ease), box-shadow .35s, border-color .25s;
}
.a48-signal-ticket.is-pending {
  opacity: 0; transform: translateY(18px);
}
.a48-signal-ticket.is-in {
  opacity: 1; transform: none;
  transition-delay: calc(var(--i, 0) * 70ms);
}
.a48-signal-ticket:hover {
  transform: translateY(-4px);
  border-color: rgba(61, 220, 151, .45);
  box-shadow: 0 22px 40px rgba(12, 26, 20, 0.12);
}
.a48-signal-ticket-code {
  font-size: .68rem; font-weight: 800; letter-spacing: .12em;
  color: var(--sig-forest);
  background: var(--sig-fog);
  border-radius: 8px;
  padding: .45rem .5rem;
}
.a48-signal-ticket-body { display: flex; flex-direction: column; min-width: 0; }
.a48-signal-ticket-body strong { font-size: .92rem; color: var(--sig-ink); }
.a48-signal-ticket-body small { color: var(--sig-muted); font-size: .75rem; }
.a48-signal-ticket-go {
  width: 32px; height: 32px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--sig-ink); color: var(--sig-lime);
  font-size: .95rem;
  transition: transform .25s var(--sig-ease);
}
.a48-signal-ticket:hover .a48-signal-ticket-go { transform: rotate(18deg) scale(1.06); }

/* ── Board: channels + stream + desk ── */
.a48-signal-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 280px);
  grid-template-areas:
    "channels channels"
    "stream desk";
  gap: 1.25rem;
  margin-top: 2.25rem;
  align-items: start;
}

.a48-signal-channels {
  grid-area: channels;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .75rem;
}

.a48-signal-channel {
  position: relative;
  display: flex; align-items: center; gap: .75rem;
  text-align: left;
  padding: 1rem 1rem 1rem .95rem;
  border: 1px solid var(--sig-line);
  border-radius: 18px;
  background: rgba(255,255,255,.78);
  cursor: pointer;
  overflow: hidden;
  transition: transform .25s var(--sig-ease), border-color .25s, background .25s;
}
.a48-signal-channel:hover { transform: translateY(-2px); }
.a48-signal-channel-wave {
  position: absolute; inset: auto -20% -40% -20%; height: 70%;
  background: radial-gradient(circle at 50% 0%, rgba(198,245,66,.22), transparent 70%);
  opacity: 0; transition: opacity .3s;
}
.a48-signal-channel.is-active .a48-signal-channel-wave { opacity: 1; animation: a48SigWave 2.4s ease-in-out infinite; }
@keyframes a48SigWave {
  0%, 100% { transform: translateY(8%); }
  50% { transform: translateY(-4%); }
}

.a48-signal-channel-stage {
  width: 36px; height: 36px; border-radius: 12px;
  display: grid; place-items: center;
  font-weight: 800; font-size: .9rem;
  background: var(--sig-fog); color: var(--sig-forest);
  flex-shrink: 0; z-index: 1;
}
.a48-signal-channel-copy { display: flex; flex-direction: column; z-index: 1; min-width: 0; }
.a48-signal-channel-copy strong {
  font-size: .88rem; color: var(--sig-ink); line-height: 1.2;
}
.a48-signal-channel-copy small { color: var(--sig-muted); font-size: .72rem; margin-top: .15rem; }

.a48-signal-channel.tone-mint.is-active { border-color: rgba(61,220,151,.55); background: #fff; }
.a48-signal-channel.tone-lime.is-active { border-color: rgba(198,245,66,.7); background: #fff; }
.a48-signal-channel.tone-forest.is-active { border-color: rgba(22,53,40,.35); background: #fff; }
.a48-signal-channel.tone-soil.is-active { border-color: rgba(139,110,62,.4); background: #fff; }
.a48-signal-channel.tone-mint.is-active .a48-signal-channel-stage { background: rgba(61,220,151,.2); color: #0f6b49; }
.a48-signal-channel.tone-lime.is-active .a48-signal-channel-stage { background: rgba(198,245,66,.35); color: #3d5208; }
.a48-signal-channel.tone-forest.is-active .a48-signal-channel-stage { background: rgba(22,53,40,.12); color: var(--sig-forest); }
.a48-signal-channel.tone-soil.is-active .a48-signal-channel-stage { background: rgba(139,110,62,.18); color: #6b4e1f; }

.a48-signal-stream { grid-area: stream; min-width: 0; }
.a48-signal-panel {
  background: #fff;
  border: 1px solid var(--sig-line);
  border-radius: 24px;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  box-shadow: 0 18px 40px rgba(12, 26, 20, 0.06);
}
.a48-signal-panel.is-entering {
  animation: a48SigPanelIn .45s var(--sig-ease);
}
@keyframes a48SigPanelIn {
  from { opacity: .35; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.a48-signal-panel-head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem;
  margin-bottom: 1.15rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--sig-line);
}
.a48-signal-panel-kicker {
  display: inline-block;
  font-size: .68rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase;
  color: var(--sig-mint); margin-bottom: .35rem;
}
.a48-signal-panel-head h2 {
  margin: 0 0 .35rem;
  font-family: var(--a48-font-serif, Georgia, serif);
  font-size: clamp(1.45rem, 2.6vw, 1.85rem);
  color: var(--sig-ink);
}
.a48-signal-panel-head p { margin: 0; color: var(--sig-muted); font-size: .92rem; max-width: 46ch; }
.a48-signal-panel-count {
  width: 48px; height: 48px; border-radius: 16px;
  display: grid; place-items: center;
  font-family: var(--a48-font-serif, Georgia, serif);
  font-size: 1.35rem; font-weight: 700;
  background: var(--sig-ink); color: var(--sig-lime);
  flex-shrink: 0;
}

.a48-signal-faqs { display: flex; flex-direction: column; gap: .65rem; }

.a48-signal-faq {
  border: 1px solid var(--sig-line);
  border-radius: 16px;
  background: linear-gradient(180deg, #fff 0%, var(--sig-mist) 160%);
  overflow: hidden;
  transition: border-color .25s, box-shadow .25s;
}
.a48-signal-faq[open] {
  border-color: rgba(61, 220, 151, .45);
  box-shadow: 0 12px 28px rgba(12, 26, 20, 0.07);
  background: #fff;
}
.a48-signal-faq summary {
  list-style: none;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: .85rem;
  padding: 1rem 1.05rem;
  cursor: pointer;
}
.a48-signal-faq summary::-webkit-details-marker { display: none; }
.a48-signal-faq-index {
  width: 42px; height: 42px; border-radius: 14px;
  display: grid; place-items: center;
  font-size: .78rem; font-weight: 800;
  background: var(--sig-fog); color: var(--sig-forest);
}
.a48-signal-faq[open] .a48-signal-faq-index {
  background: var(--sig-lime); color: var(--sig-ink);
}
.a48-signal-faq-q {
  font-weight: 700; color: var(--sig-ink); font-size: .95rem; line-height: 1.35;
}
.a48-signal-faq-mark {
  width: 28px; height: 28px; border-radius: 50%;
  border: 1.5px solid var(--sig-line);
  position: relative;
}
.a48-signal-faq-mark::before,
.a48-signal-faq-mark::after {
  content: ""; position: absolute; background: var(--sig-forest);
  transition: transform .25s var(--sig-ease);
}
.a48-signal-faq-mark::before {
  left: 7px; right: 7px; top: 50%; height: 1.5px; transform: translateY(-50%);
}
.a48-signal-faq-mark::after {
  top: 7px; bottom: 7px; left: 50%; width: 1.5px; transform: translateX(-50%);
}
.a48-signal-faq[open] .a48-signal-faq-mark::after { transform: translateX(-50%) scaleY(0); }
.a48-signal-faq[open] .a48-signal-faq-mark {
  border-color: var(--sig-mint); background: rgba(61,220,151,.12);
}

.a48-signal-faq-a {
  padding: 0 1.15rem 1.15rem 4.15rem;
  color: var(--sig-muted);
  font-size: .92rem; line-height: 1.65;
  animation: a48SigFaqOpen .3s var(--sig-ease);
}
@keyframes a48SigFaqOpen {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}
.a48-signal-faq-a a { color: var(--sig-forest); font-weight: 700; text-decoration: underline; }

/* ── Sticky desk card ── */
.a48-signal-desk {
  grid-area: desk;
  display: flex; flex-direction: column; gap: .85rem;
  position: sticky; top: 5.5rem;
}

.a48-signal-desk-card {
  position: relative;
  overflow: hidden;
  padding: 1.35rem 1.2rem 1.25rem;
  border-radius: 24px;
  background: linear-gradient(160deg, var(--sig-forest), var(--sig-ink));
  color: #fff;
  box-shadow: 0 22px 44px rgba(12, 26, 20, 0.22);
}
.a48-signal-desk-orbit {
  position: absolute; width: 140px; height: 140px; border-radius: 50%;
  border: 1px dashed rgba(198,245,66,.35);
  right: -36px; top: -40px;
  animation: a48SigOrbit 12s linear infinite;
}
@keyframes a48SigOrbit { to { transform: rotate(360deg); } }

.a48-signal-desk-kicker {
  margin: 0 0 .4rem;
  font-size: .68rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--sig-lime); font-weight: 800;
}
.a48-signal-desk-card h3 {
  margin: 0 0 .55rem;
  font-family: var(--a48-font-serif, Georgia, serif);
  font-size: 1.35rem; line-height: 1.2;
}
.a48-signal-desk-hours {
  margin: 0 0 1rem;
  color: rgba(255,255,255,.7); font-size: .85rem;
}
.a48-signal-desk-link {
  display: flex; flex-direction: column;
  padding: .65rem .75rem;
  border-radius: 12px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
  margin-bottom: .45rem;
  transition: background .2s;
}
.a48-signal-desk-link:hover { background: rgba(198,245,66,.12); }
.a48-signal-desk-link span {
  font-size: .62rem; letter-spacing: .12em; text-transform: uppercase;
  color: rgba(255,255,255,.5);
}
.a48-signal-desk-link strong {
  font-size: .88rem; font-weight: 700; color: #fff; word-break: break-word;
}
.a48-signal-desk-cta {
  display: block; text-align: center; margin-top: .75rem;
  padding: .85rem 1rem; border-radius: 999px;
  background: var(--sig-lime); color: var(--sig-ink);
  font-weight: 800; font-size: .8rem; letter-spacing: .06em; text-transform: uppercase;
  transition: transform .2s, filter .2s;
}
.a48-signal-desk-cta:hover { transform: translateY(-2px); filter: brightness(1.05); }

.a48-signal-desk-pay {
  padding: 1rem 1.05rem;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--sig-line);
  display: flex; flex-direction: column; gap: .3rem;
}
.a48-signal-desk-pay strong {
  font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--sig-ink);
  margin-bottom: .2rem;
}
.a48-signal-desk-pay span { font-size: .84rem; color: var(--sig-muted); }
.a48-signal-desk-pay a {
  margin-top: .45rem; font-size: .84rem; font-weight: 700; color: var(--sig-forest);
  text-decoration: underline;
}

@media (prefers-reduced-motion: reduce) {
  .a48-signal-hero-mesh,
  .a48-signal-hero-scan::after,
  .a48-signal-pulse,
  .a48-signal-channel-wave,
  .a48-signal-desk-orbit { animation: none !important; }
  .a48-signal-ticket.is-pending { opacity: 1; transform: none; }
}

@media (max-width: 1024px) {
  .a48-signal-priority { grid-template-columns: 1fr 1fr; margin-top: 1.25rem; }
  .a48-signal-board {
    grid-template-columns: 1fr;
    grid-template-areas: "channels" "stream" "desk";
  }
  .a48-signal-desk { position: static; }
  .a48-signal-channels { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .a48-signal-hero { clip-path: none; }
  .a48-signal-priority { grid-template-columns: 1fr; }
  .a48-signal-channels { grid-template-columns: 1fr; }
  .a48-signal-meters { grid-template-columns: 1fr; max-width: 220px; }
  .a48-signal-faq-a { padding-left: 1.15rem; }
  .a48-signal-faq summary { grid-template-columns: auto 1fr; }
  .a48-signal-faq-mark { display: none; }
}