:root {
  --top-gap: clamp(12px, 2.2vw, 18px);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --topbar-control-width: 96px;
  --topbar-control-height: 42px;
  --topbar-action-gap: 6px;
  --panel-edge-gap: clamp(12px, 2.2vw, 24px);
  --shadow-lg: 0 24px 80px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 16px 40px rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: 'Nunito', 'Segoe UI', sans-serif;
  color: var(--theme-text);
  background:
    radial-gradient(circle at 15% 15%, rgba(255, 255, 255, 0.16), transparent 24%),
    radial-gradient(circle at 85% 10%, rgba(255, 255, 255, 0.14), transparent 28%),
    linear-gradient(180deg, var(--theme-top) 0%, var(--theme-bottom) 100%);
  overflow: hidden;
  overscroll-behavior: none;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.page-shell {
  position: relative;
  width: 100%;
  min-height: 100dvh;
  height: 100dvh;
}

.game-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  background: transparent;
}

.hud-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.topbar {
  position: absolute;
  top: var(--top-gap);
  left: var(--panel-edge-gap);
  right: var(--panel-edge-gap);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  pointer-events: none;
}

.topbar-card,
.modal-card,
.auth-card,
.action-chip,
.quick-actions button,
.status-box,
.transactions-card {
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: var(--theme-panel);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: var(--shadow-md);
}

.brand-card,
.user-card {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: var(--topbar-control-height);
  padding: 8px 10px;
  border-radius: 999px;
}

.brand-card img {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.16);
  padding: 5px;
}

.brand-card {
  min-width: 0;
  max-width: min(440px, calc(100vw - 180px));
}

.brand-card > div {
  min-width: 0;
}

.brand-title {
  font-size: 0.88rem;
  font-weight: 900;
  line-height: 1.1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-subtitle {
  font-size: 0.66rem;
  color: var(--theme-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-card {
  width: var(--topbar-control-width);
  justify-content: center;
  border-radius: 18px;
}

.user-meta {
  width: 100%;
  display: grid;
  gap: 1px;
  text-align: center;
}

.user-meta strong {
  display: block;
  font-size: 0.78rem;
  line-height: 1.05;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-meta span {
  font-size: 0.6rem;
  color: var(--theme-muted);
  line-height: 1.05;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-actions {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: var(--topbar-control-width);
  align-items: stretch;
  justify-content: end;
  gap: var(--topbar-action-gap);
  pointer-events: auto;
}

.topbar-actions > * {
  width: var(--topbar-control-width);
  min-width: 0;
}

.ghost-btn,
.primary-btn,
.warn-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  min-height: var(--topbar-control-height);
  padding: 7px 10px;
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.01em;
  line-height: 1.05;
  text-align: center;
  transition: transform 0.16s ease, box-shadow 0.16s ease, opacity 0.16s ease;
}

.ghost-btn {
  color: var(--theme-text);
  background: rgba(255, 255, 255, 0.72);
}

.primary-btn {
  color: #231300;
  background: linear-gradient(135deg, var(--theme-accent), var(--theme-accent-alt));
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.2);
}

.warn-btn {
  color: #111111;
  background: rgba(255, 91, 91, 0.88);
}

.ghost-btn:hover,
.primary-btn:hover,
.warn-btn:hover,
.quick-actions button:hover,
.chip-btn:hover {
  transform: translateY(-1px) scale(1.01);
}

.auth-layer,
.modal-layer {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding:
    max(16px, env(safe-area-inset-top))
    max(16px, env(safe-area-inset-right))
    max(16px, env(safe-area-inset-bottom))
    max(16px, env(safe-area-inset-left));
  background: rgba(7, 13, 24, 0.28);
  pointer-events: auto;
  overflow-y: auto;
}

.auth-card,
.modal-card {
  width: min(540px, 100%);
  max-height: min(calc(100dvh - 32px), 760px);
  border-radius: var(--radius-lg);
  padding: 24px;
  overflow-y: auto;
}

.auth-card h1,
.modal-header h2 {
  margin: 0 0 8px;
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  line-height: 0.96;
}

.auth-card h2 {
  margin: 0 0 8px;
  font-size: clamp(1.2rem, 2.8vw, 1.7rem);
  line-height: 1.08;
}

.auth-card p,
.modal-header p,
.field-help,
.transaction-empty {
  margin: 0;
  color: var(--theme-muted);
  line-height: 1.55;
}

.stack {
  display: grid;
  gap: 16px;
}

.demo-spotlight {
  display: none;
}

.demo-bar {
  display: flex;
  justify-content: center;
  margin-bottom: 12px;
}

.demo-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  border-radius: 16px;
  font-size: 1rem;
  font-weight: 900;
  text-decoration: none;
  color: #fff;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  box-shadow: 0 12px 32px rgba(102, 126, 234, 0.4);
  transition: all 0.2s ease;
}

.demo-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(102, 126, 234, 0.5);
}

.demo-btn:active {
  transform: translateY(0);
}

.demo-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  font-size: 0.75rem;
}

.auth-heading {
  text-align: center;
}
  position: relative;
  display: grid;
  gap: 16px;
  padding: 18px;
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.48), transparent 38%),
    linear-gradient(145deg, rgba(255, 154, 31, 0.24), rgba(255, 255, 255, 0.9));
  border: 1px solid rgba(255, 154, 31, 0.26);
  box-shadow: 0 22px 42px rgba(0, 0, 0, 0.14);
  overflow: hidden;
}

.demo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  max-width: 100%;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #fff4d2;
  background: rgba(35, 19, 0, 0.9);
}

.demo-copy {
  gap: 10px;
}

.demo-note strong,
.demo-copy strong {
  color: var(--theme-text);
}

.demo-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.demo-actions > * {
  flex: 1 1 190px;
  text-decoration: none;
}

.demo-cta,
.register-shortcut {
  min-height: 54px;
}

.demo-cta {
  position: relative;
  overflow: hidden;
  font-size: 0.92rem;
  letter-spacing: 0.03em;
}

.demo-cta::after {
  content: '';
  position: absolute;
  top: -30%;
  left: -28%;
  width: 68px;
  height: 180%;
  background: rgba(255, 255, 255, 0.28);
  transform: rotate(18deg);
  animation: demoShine 2.8s linear infinite;
}

@keyframes demoShine {
  from {
    transform: translateX(-120%) rotate(18deg);
  }

  to {
    transform: translateX(480%) rotate(18deg);
  }
}

.field-grid {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.field-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 0.84rem;
  font-weight: 800;
  color: var(--theme-muted);
}

.field input,
.field select {
  width: 100%;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.92);
  color: var(--theme-text);
  padding: 14px 16px;
  outline: none;
}

.field input::placeholder {
  color: rgba(17, 17, 17, 0.48);
}

.field input[readonly] {
  background: rgba(255, 255, 255, 0.84);
}

.auth-actions,
.modal-actions,
.inline-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.auth-actions > *,
.modal-actions > *,
.inline-actions > * {
  flex: 1 1 160px;
}

.actions-row {
  display: flex;
  gap: 10px;
  margin: 18px 0 16px;
  flex-wrap: wrap;
}

.action-chip {
  flex: 1;
  min-width: 112px;
  border-radius: 20px;
  padding: 14px;
}

.action-chip h3 {
  margin: 0 0 6px;
  font-size: 0.94rem;
}

.action-chip p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--theme-muted);
}

.quick-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.quick-actions button,
.chip-btn {
  border: 0;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 13px;
  font-size: 0.78rem;
  text-align: center;
  color: var(--theme-text);
  background: rgba(255, 255, 255, 0.72);
  font-weight: 800;
}

.quick-actions button.active,
.chip-btn.active {
  color: #231300;
  background: linear-gradient(135deg, var(--theme-accent), var(--theme-accent-alt));
}

.hidden {
  display: none !important;
}

.status-box {
  border-radius: 20px;
  padding: 16px;
  margin-top: 18px;
}

.status-box strong {
  display: block;
  margin-bottom: 8px;
}

.status-box code,
.status-box textarea {
  width: 100%;
  display: block;
  margin-top: 10px;
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  background: rgba(255, 255, 255, 0.92);
  color: #111111;
  padding: 12px;
  resize: none;
  min-height: 92px;
  font-family: 'Consolas', monospace;
}

.qr-box {
  display: grid;
  place-items: center;
  min-height: 212px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  padding: 16px;
  margin-top: 12px;
}

.transactions-card {
  margin-top: 18px;
  border-radius: 22px;
  padding: 16px;
}

.transactions-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.transaction-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 11px 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.62);
}

.transaction-item strong,
.transaction-item span {
  display: block;
}

.transaction-item span {
  font-size: 0.8rem;
  color: var(--theme-muted);
}

.transaction-badge {
  align-self: start;
  padding: 8px 11px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 900;
  background: rgba(255, 255, 255, 0.86);
}

.toast {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(18px);
  min-width: min(420px, calc(100vw - 24px));
  max-width: calc(100vw - 24px);
  border-radius: 18px;
  padding: 14px 18px;
  text-align: center;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.96);
  color: #111111;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  box-shadow: var(--shadow-md);
}

.toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.screen-blocker {
  position: absolute;
  inset: 0;
  background: rgba(5, 10, 20, 0.42);
  pointer-events: auto;
}

@media (max-width: 960px) {
  .topbar {
    left: 12px;
    right: 12px;
    top: 12px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .topbar-card {
    justify-content: space-between;
  }

  .brand-card {
    width: 100%;
    max-width: none;
    border-radius: 20px;
  }

  .user-card {
    justify-content: center;
  }

  .topbar-actions {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-flow: row;
    grid-auto-columns: unset;
    width: 100%;
  }

  .topbar-actions > * {
    width: 100%;
  }
}

@media (max-width: 760px) {
  .topbar-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .actions-row,
  .quick-actions,
  .modal-actions,
  .inline-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .action-chip {
    min-width: 0;
  }

  .quick-actions > *,
  .modal-actions > *,
  .inline-actions > * {
    width: 100%;
  }

  .demo-actions {
    display: grid;
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .field-grid.two {
    grid-template-columns: 1fr;
  }

  .auth-card,
  .modal-card {
    padding: 18px;
    border-radius: 22px;
  }

  .actions-row {
    grid-template-columns: 1fr;
  }

  .transaction-item {
    grid-template-columns: 1fr;
  }

  .transaction-badge {
    justify-self: start;
  }
}

@media (max-width: 480px) {
  :root {
    --topbar-control-width: 90px;
    --topbar-control-height: 40px;
    --panel-edge-gap: 10px;
  }

  .brand-card {
    padding: 8px 9px;
  }

  .brand-card img {
    width: 30px;
    height: 30px;
  }

  .brand-title {
    font-size: 0.82rem;
  }

  .brand-subtitle {
    display: none;
  }

  .user-card {
    padding: 6px 8px;
  }

  .user-meta strong {
    font-size: 0.74rem;
  }

  .user-meta span {
    font-size: 0.58rem;
  }

  .modal-actions,
  .inline-actions {
    grid-template-columns: 1fr;
  }

  .auth-layer,
  .modal-layer {
    padding: 12px;
  }
}

@media (max-height: 760px) {
  .auth-layer,
  .modal-layer {
    align-items: flex-start;
  }
}