:root {
  --orange: #ff6600;
  --orange-hot: #ff8533;
  --orange-dim: #cc5200;
  --black: #0a0a0a;
  --ink: #121212;
  --panel: #1a1a1a;
  --panel-2: #222;
  --white: #f5f5f5;
  --muted: #9a9a9a;
  --green: #3ddc84;
  --red: #ff4d4d;
  --shadow: 0 8px 32px rgba(0,0,0,.55);
  --radius: 16px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, Ubuntu, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  height: 100%;
  background: var(--black);
  color: var(--white);
  font-family: var(--font);
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
  touch-action: manipulation;
}
body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(255,102,0,.18), transparent 60%),
    radial-gradient(ellipse 50% 40% at 100% 100%, rgba(255,102,0,.08), transparent 50%),
    var(--black);
}
.app {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  padding: 10px 10px 8px;
  gap: 8px;
  min-height: 0;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-shrink: 0;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.brand h1 {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.15;
  display: flex;
  flex-direction: column;
}
.brand h1 span {
  font-size: .68rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: .04em;
}
.logo-link {
  display: block;
  line-height: 0;
  flex-shrink: 0;
  transition: transform .15s ease, filter .15s ease;
}
.logo-link:hover,
.logo-link:focus-visible {
  transform: scale(1.06);
  filter: drop-shadow(0 0 12px rgba(255,102,0,.55));
  outline: none;
}
.logo-link img {
  display: block;
  border-radius: 50%;
}
.hud {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.stat {
  font-size: .68rem;
  color: var(--muted);
  font-weight: 600;
  background: var(--panel);
  border: 1px solid rgba(255,102,0,.25);
  border-radius: 8px;
  padding: 5px 8px;
  white-space: nowrap;
}
.stat strong {
  color: var(--orange);
  font-size: .85rem;
  margin-left: 2px;
  font-variant-numeric: tabular-nums;
}
.icon-btn {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255,102,0,.35);
  border-radius: 10px;
  background: var(--panel);
  color: var(--white);
  font-size: 1.1rem;
  cursor: pointer;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.icon-btn:hover { border-color: var(--orange); background: #24180f; }
.icon-btn.muted { opacity: .55; }

.stage-wrap {
  position: relative;
  flex: 1;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #050505;
  border: 1px solid rgba(255,102,0,.35);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow), inset 0 0 40px rgba(255,102,0,.06);
}
#chart {
  display: block;
  width: 100%;
  height: 100%;
  max-height: min(52vh, 420px);
  background: #000;
  touch-action: none;
}
.price-flash {
  position: absolute;
  top: 12px;
  right: 14px;
  font-weight: 800;
  font-size: 1.1rem;
  pointer-events: none;
  text-shadow: 0 0 12px rgba(0,0,0,.8);
}
.price-flash.up { color: var(--green); }
.price-flash.down { color: var(--red); }

.trade-bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  background: var(--panel);
  border: 1px solid rgba(255,102,0,.3);
  border-radius: 14px;
  padding: 10px;
  flex-shrink: 0;
}
@media (min-width: 520px) {
  .trade-bar {
    grid-template-columns: 1.2fr 1fr auto;
    align-items: end;
  }
}
.amount-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.amount-group label {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--orange);
}
.amount-group input {
  width: 100%;
  background: #0d0d0d;
  border: 1px solid rgba(255,102,0,.35);
  border-radius: 10px;
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 700;
  padding: 12px 12px;
  font-variant-numeric: tabular-nums;
  -webkit-user-select: text;
  user-select: text;
}
.amount-group input:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 2px rgba(255,102,0,.25);
}
.quick-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}
.chip {
  flex: 1;
  min-width: 56px;
  border: 1px solid rgba(255,102,0,.4);
  background: #1a120c;
  color: var(--orange);
  font-weight: 800;
  font-size: .78rem;
  letter-spacing: .04em;
  border-radius: 10px;
  padding: 12px 8px;
  cursor: pointer;
  transition: background .12s ease, transform .1s ease;
}
.chip:hover { background: #2a1a0f; }
.chip:active { transform: scale(.96); }

.btn {
  border: none;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 800;
  letter-spacing: .03em;
  transition: background .15s ease, transform .1s ease, opacity .15s ease;
}
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn.primary {
  background: var(--orange);
  color: #111;
  font-size: 1rem;
  padding: 14px 22px;
  width: 100%;
}
.btn.primary:hover { background: var(--orange-hot); }
.buy-btn {
  background: linear-gradient(180deg, #ff8533, #ff6600);
  color: #111;
  min-width: 140px;
  min-height: 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 10px 18px;
  box-shadow: 0 4px 18px rgba(255,102,0,.35);
}
.buy-btn .btn-title {
  font-size: 1.35rem;
  letter-spacing: .12em;
  line-height: 1;
}
.buy-btn .btn-sub {
  font-size: .72rem;
  font-weight: 700;
  opacity: .85;
  font-variant-numeric: tabular-nums;
}
.buy-btn:hover { background: linear-gradient(180deg, #ff994d, #ff7711); }
.buy-btn.flash {
  animation: buyPulse .35s ease;
}
@keyframes buyPulse {
  0% { box-shadow: 0 0 0 0 rgba(61,220,132,.6); }
  100% { box-shadow: 0 4px 18px rgba(255,102,0,.35); }
}

.controls-hint {
  text-align: center;
  font-size: .72rem;
  color: #777;
  padding: 2px 4px 6px;
}
.controls-hint b { color: var(--orange); }

.overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(0,0,0,.78);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 18px 12px;
  overflow-y: auto;
}
.overlay.hidden { display: none; }
.card {
  width: min(440px, 100%);
  background: linear-gradient(180deg, #1c1c1c, #141414);
  border: 1px solid rgba(255,102,0,.4);
  border-radius: 18px;
  padding: 22px 18px 18px;
  box-shadow: var(--shadow);
  text-align: center;
  margin: auto;
}
.card .logo-link.hero { display: inline-block; margin-bottom: 8px; }
.logo-hero {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  filter: drop-shadow(0 8px 24px rgba(255,102,0,.4));
}
.start-brand {
  color: var(--orange);
  font-size: clamp(1.35rem, 5vw, 1.8rem);
  font-weight: 950;
  letter-spacing: .08em;
  line-height: 1;
  text-align: center;
  text-shadow: 0 0 18px rgba(255, 102, 0, .42);
  margin-bottom: 5px;
}
.card h2 {
  font-size: 1.35rem;
  font-weight: 900;
  margin-bottom: 8px;
  letter-spacing: .02em;
  text-align: center;
}
.card h2 .dollar { color: var(--orange); }
.card .lead {
  color: #ccc;
  font-size: .92rem;
  line-height: 1.4;
  margin-bottom: 12px;
}
.card .lead b { color: var(--orange); }
.how {
  text-align: left;
  margin: 0 auto 16px;
  padding-left: 1.2rem;
  color: #bbb;
  font-size: .88rem;
  line-height: 1.45;
  max-width: 360px;
}
.how li { margin-bottom: 6px; }
.how b { color: var(--orange); }
.fine {
  margin-top: 12px;
  font-size: .72rem;
  color: #777;
  word-break: break-all;
}
.fine a { color: var(--orange); text-decoration: none; }
.fine a:hover { text-decoration: underline; }
.fine code {
  font-size: .65rem;
  color: #999;
}

.leaderboard {
  margin-top: 14px;
  text-align: left;
  background: rgba(0,0,0,.28);
  border: 1px solid rgba(255,102,0,.2);
  border-radius: 12px;
  padding: 10px 12px;
}
.board-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
}
.board-heading h3,
.leaderboard h3 {
  font-size: .85rem;
  color: var(--orange);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.board-heading span {
  font-size: .68rem;
  color: var(--muted);
}
.lb-list {
  list-style: none;
  max-height: 160px;
  overflow-y: auto;
}
.lb-list li {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 6px;
  align-items: center;
  padding: 5px 0;
  border-bottom: 1px solid rgba(255,255,255,.05);
  font-size: .85rem;
}
.lb-list li:last-child { border-bottom: none; }
.lb-list .empty {
  display: block;
  text-align: center;
  color: var(--muted);
  padding: 12px 4px;
  font-size: .85rem;
}
.lb-list .rank { color: var(--muted); font-weight: 700; }
.lb-list .lb-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lb-list .lb-score {
  color: var(--orange);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.end-score, .end-cash, .end-holdings {
  font-size: 1rem;
  color: #ccc;
  margin: 4px 0;
}
.end-score strong, .end-cash strong, .end-holdings strong {
  color: var(--orange);
  font-size: 1.4rem;
  display: block;
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}
.end-feel {
  color: var(--muted);
  font-size: .88rem;
  margin: 10px 0 14px;
}
.score-submit { margin-top: 8px; }
.name-label {
  display: block;
  text-align: left;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 6px;
}
.name-row {
  display: flex;
  gap: 8px;
}
.name-row input {
  flex: 1;
  min-width: 0;
  background: #0d0d0d;
  border: 1px solid rgba(255,102,0,.35);
  border-radius: 10px;
  color: var(--white);
  font-size: .95rem;
  padding: 12px;
  -webkit-user-select: text;
  user-select: text;
}
.name-row input:focus {
  outline: none;
  border-color: var(--orange);
}
.name-row .btn { width: auto; white-space: nowrap; padding: 12px 14px; }
.again-below { margin-top: 10px; }
.submit-status {
  margin-top: 8px;
  font-size: .82rem;
  color: var(--muted);
}
.submit-status.ok { color: var(--green); }
.submit-status.err { color: var(--red); }

@media (max-width: 420px) {
  .stat { font-size: .62rem; padding: 4px 6px; }
  .stat strong { font-size: .78rem; }
  .buy-btn { min-height: 56px; width: 100%; }
  .trade-bar { grid-template-columns: 1fr; }
}

/* Buy + Sell control row */
.action-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
}
.action-row .buy-btn,
.action-row .sell-btn {
  flex: 1;
  min-width: 0;
}
@media (min-width: 520px) {
  .trade-bar {
    grid-template-columns: 1.1fr 1fr auto;
    align-items: end;
  }
  .action-row {
    min-width: 260px;
  }
}

.sell-btn {
  background: linear-gradient(180deg, #3a3a3a, #1a1a1a);
  color: #f5f5f5;
  min-width: 110px;
  min-height: 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 10px 14px;
  border: 1px solid rgba(255,77,77,.55);
  box-shadow: 0 4px 18px rgba(255,77,77,.18);
}
.sell-btn .btn-title {
  font-size: 1.35rem;
  letter-spacing: .12em;
  line-height: 1;
  color: var(--red);
}
.sell-btn .btn-sub {
  font-size: .72rem;
  font-weight: 700;
  opacity: .75;
  color: #bbb;
}
.sell-btn:hover {
  background: linear-gradient(180deg, #4a2a2a, #221111);
  border-color: var(--red);
}
.sell-btn:disabled { opacity: .45; }

/* Greta HODL sell-trap overlay */
.hodl-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  isolation: isolate;
  background: rgba(0, 0, 0, .88);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 16px;
  cursor: pointer;
  animation: hodlFadeIn .25s ease-out;
}
.hodl-overlay[hidden],
.hodl-overlay.hidden { display: none !important; }
.hodl-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  max-width: 420px;
  width: 100%;
  text-align: center;
  pointer-events: none;
}
.hodl-greta-wrap {
  position: relative;
  width: min(280px, 70vw);
  height: min(280px, 70vw);
  filter: drop-shadow(0 12px 40px rgba(255, 102, 0, .45));
  animation: gretaHeadShake 5s ease-in-out;
}
.hodl-greta {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 50%;
  user-select: none;
  -webkit-user-drag: none;
}
.hodl-finger {
  position: absolute;
  right: -6%;
  bottom: -2%;
  width: 34%;
  height: 34%;
  object-fit: contain;
  transform-origin: 50% 85%;
  animation: fingerWag 5s ease-in-out;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,.55));
  user-select: none;
  -webkit-user-drag: none;
}
.hodl-text {
  display: block;
  position: relative;
  z-index: 1;
  max-width: 400px;
  margin: 0;
  font-size: clamp(1.15rem, 4.2vw, 1.55rem);
  font-weight: 900;
  line-height: 1.35;
  color: var(--white);
  letter-spacing: .01em;
  text-shadow:
    0 0 18px rgba(255, 102, 0, .55),
    0 2px 8px rgba(0, 0, 0, .85);
  animation: hodlTextPulse 5s ease-in-out;
}
.hodl-text::first-line {
  color: var(--orange);
}
.hodl-tap {
  font-size: .75rem;
  color: #777;
  letter-spacing: .08em;
  text-transform: uppercase;
  opacity: 0;
  animation: hodlTapIn .4s ease .6s forwards;
}

@keyframes hodlFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes gretaHeadShake {
  0%, 100% { transform: rotate(0deg) scale(1); }
  8% { transform: rotate(-9deg) scale(1.02); }
  16% { transform: rotate(9deg) scale(1.02); }
  24% { transform: rotate(-10deg) scale(1.03); }
  32% { transform: rotate(8deg) scale(1.02); }
  40% { transform: rotate(-7deg) scale(1.02); }
  48% { transform: rotate(9deg) scale(1.03); }
  56% { transform: rotate(-8deg) scale(1.02); }
  64% { transform: rotate(7deg) scale(1.02); }
  72% { transform: rotate(-6deg) scale(1.01); }
  80% { transform: rotate(5deg) scale(1.01); }
  88% { transform: rotate(-3deg) scale(1); }
  96% { transform: rotate(2deg) scale(1); }
}
@keyframes fingerWag {
  0%, 100% { transform: rotate(0deg); }
  10% { transform: rotate(-22deg); }
  20% { transform: rotate(18deg); }
  30% { transform: rotate(-24deg); }
  40% { transform: rotate(16deg); }
  50% { transform: rotate(-20deg); }
  60% { transform: rotate(14deg); }
  70% { transform: rotate(-18deg); }
  80% { transform: rotate(10deg); }
  90% { transform: rotate(-8deg); }
}
@keyframes hodlTextPulse {
  0% { opacity: 0; transform: translateY(10px) scale(.96); }
  8% { opacity: 1; transform: translateY(0) scale(1); }
  50% { opacity: 1; transform: scale(1.03); }
  88% { opacity: 1; transform: scale(1); }
  100% { opacity: .92; transform: scale(1); }
}
@keyframes hodlTapIn {
  to { opacity: 1; }
}

@media (max-width: 420px) {
  .sell-btn { min-height: 56px; }
  .action-row { width: 100%; }
}