*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--ink);
  overflow-x: hidden;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

img, svg {
  display: block;
  max-width: 100%;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

/* —— App chrome —— */
#app {
  min-height: 100dvh;
  display: grid;
  grid-template-rows: var(--nav-h) 1fr auto;
  position: relative;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  padding: 0 var(--s-4);
  padding-top: env(safe-area-inset-top, 0);
  background: linear-gradient(180deg, rgba(26, 21, 32, 0.55), rgba(26, 21, 32, 0.15));
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--cream);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  min-width: 0;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background:
    radial-gradient(circle at 30% 30%, #ffe6a0, var(--gold) 45%, var(--gold-deep));
  box-shadow: var(--glow-gold), inset 0 1px 0 rgba(255, 255, 255, 0.5);
  position: relative;
  flex-shrink: 0;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #fff, transparent 55%);
  opacity: 0.55;
}

.brand h1 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-wrap: balance;
  white-space: nowrap;
}

.brand span {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  opacity: 0.75;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.wallet {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: 6px 12px;
  border-radius: var(--r-pill);
  background: rgba(255, 248, 239, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 0.92rem;
}

.wallet .coin {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #ffe9a8, var(--gold) 50%, var(--gold-deep));
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.15), 0 0 8px rgba(232, 168, 56, 0.5);
}

.top-actions {
  display: flex;
  gap: var(--s-2);
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(255, 248, 239, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--cream);
  transition: transform var(--t-fast) var(--ease-out), background var(--t-fast);
}

.icon-btn:hover {
  background: rgba(255, 248, 239, 0.22);
  transform: translateY(-1px);
}

.icon-btn:active {
  transform: translateY(0) scale(0.96);
}

/* —— Stage —— */
.stage {
  position: relative;
  min-height: 0;
  overflow: hidden;
}

.view {
  display: none;
  min-height: calc(100dvh - var(--nav-h) - 72px);
  animation: viewIn var(--t-med) var(--ease-out);
}

.view.active {
  display: block;
}

@keyframes viewIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* —— Bottom nav —— */
.bottom-nav {
  position: sticky;
  bottom: 0;
  z-index: var(--z-nav);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
  padding: var(--s-2) var(--s-2) calc(var(--s-2) + env(safe-area-inset-bottom, 0));
  background: linear-gradient(0deg, rgba(26, 21, 32, 0.92), rgba(26, 21, 32, 0.75));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 4px;
  border-radius: var(--r-md);
  color: rgba(255, 248, 239, 0.62);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: color var(--t-fast), background var(--t-fast), transform var(--t-fast) var(--ease-spring);
}

.nav-item .nav-ico {
  font-size: 1.25rem;
  line-height: 1;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  color: inherit;
}

.nav-item .nav-ico svg {
  display: block;
}

.nav-item:hover {
  color: var(--cream);
  background: rgba(255, 255, 255, 0.06);
}

.nav-item.active {
  color: var(--cream);
  background: linear-gradient(180deg, rgba(232, 168, 56, 0.28), rgba(232, 168, 56, 0.08));
  box-shadow: inset 0 0 0 1px rgba(232, 168, 56, 0.35);
}

.nav-item.active .nav-ico {
  filter: none;
  transform: scale(1.08);
}

/* —— Surfaces —— */
.glass-panel {
  background: rgba(255, 248, 239, 0.78);
  backdrop-filter: blur(14px) saturate(1.12);
  -webkit-backdrop-filter: blur(14px) saturate(1.12);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  box-shadow:
    0 12px 40px var(--shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.glass-panel.panel-airy {
  background: rgba(255, 248, 239, 0.62);
}

.panel-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.muted {
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--r-pill);
  font-weight: 800;
  letter-spacing: 0.01em;
  transition: transform var(--t-fast) var(--ease-spring), box-shadow var(--t-fast), filter var(--t-fast);
  user-select: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  color: var(--ink);
  background: linear-gradient(180deg, #ffd978 0%, var(--gold) 48%, var(--gold-deep) 100%);
  box-shadow:
    0 6px 16px rgba(196, 122, 18, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    inset 0 -2px 0 rgba(0, 0, 0, 0.08);
}

.btn-primary:hover {
  filter: brightness(1.05);
  box-shadow:
    0 8px 22px rgba(196, 122, 18, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.btn-secondary {
  color: var(--cream);
  background: linear-gradient(180deg, rgba(42, 157, 143, 0.95), var(--teal-deep));
  box-shadow: 0 6px 16px rgba(26, 107, 98, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn-ghost {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.55);
}

.btn-coral {
  color: #fff;
  background: linear-gradient(180deg, #f08a7c, var(--coral-deep));
  box-shadow: 0 6px 16px rgba(196, 74, 58, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
  filter: grayscale(0.3);
}

/* —— Toasts —— */
#toasts {
  position: fixed;
  top: calc(var(--nav-h) + 12px);
  right: 12px;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  max-width: min(320px, calc(100vw - 24px));
}

.toast {
  pointer-events: auto;
  padding: 12px 14px;
  border-radius: var(--r-md);
  background: rgba(26, 21, 32, 0.9);
  color: var(--cream);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 10px 30px var(--shadow-deep);
  font-size: 0.9rem;
  font-weight: 600;
  animation: toastIn var(--t-med) var(--ease-out);
}

.toast.good { border-color: rgba(42, 157, 143, 0.55); }
.toast.warn { border-color: rgba(232, 168, 56, 0.55); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(16px); }
  to { opacity: 1; transform: none; }
}

/* —— Modal —— */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(26, 21, 32, 0.55);
  backdrop-filter: blur(6px);
  display: grid;
  place-items: center;
  padding: var(--s-4);
  animation: fadeIn var(--t-med) var(--ease-out);
}

.modal {
  width: min(480px, 100%);
  padding: var(--s-5);
  animation: popIn var(--t-med) var(--ease-spring);
}

.modal h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: var(--s-2);
  text-wrap: balance;
}

.modal p {
  margin-bottom: var(--s-4);
  color: var(--ink-soft);
}

.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  justify-content: flex-end;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes popIn {
  from { opacity: 0; transform: scale(0.94) translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* —— Scrollbars —— */
.scroll-y {
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: rgba(26, 21, 32, 0.25) transparent;
}

@media (min-width: 900px) {
  .brand h1 { font-size: 1.25rem; }
  .bottom-nav { max-width: var(--max-w); margin: 0 auto; width: 100%; }
}