.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  padding: 15px 24px;
  border-radius: var(--r-md);
  transition: all 0.2s var(--ease);
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  letter-spacing: 0.01em;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--primary);
  color: #051612;
  font-weight: 800;
}
.btn-primary:hover {
  background: #00DDD0;
  box-shadow: var(--primary-glow);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary-border);
}
.btn-outline:hover { background: var(--primary-dim); }
.btn-ghost {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border-2);
}
.btn-ghost:hover { background: var(--bg-surface); }
.btn-full { width: 100%; }
.btn-lg { padding: 18px 32px; font-size: 16px; border-radius: var(--r-lg); }
.btn-sm { padding: 10px 16px; font-size: 13px; border-radius: var(--r-sm); font-weight: 700; }
.btn:disabled { opacity: 0.38; cursor: not-allowed; transform: none; }
.btn-loading { position: relative; color: transparent !important; pointer-events: none; }
.btn-loading::after {
  content: '';
  position: absolute;
  inset: 0; margin: auto;
  width: 18px; height: 18px;
  border: 2.5px solid rgba(5,22,18,0.5);
  border-top-color: #051612;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.field { display: flex; flex-direction: column; gap: 8px; }
.field-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.field-input {
  background: var(--bg-surface);
  border: 1.5px solid var(--border-2);
  border-radius: var(--r-md);
  padding: 15px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  width: 100%;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field-input::placeholder { color: var(--text-3); }
.field-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-dim); }
.field-input.error { border-color: var(--error); box-shadow: 0 0 0 3px var(--error-dim); }
.field-error { font-size: 13px; color: var(--error); display: none; font-weight: 500; }
.field-error.show { display: block; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.badge-waiting { background: rgba(212,137,10,0.1); color: #8A6200; }
.badge-running { background: var(--primary-dim); color: var(--primary); }
.badge-finished { background: var(--bg-elevated); color: var(--text-3); }
.badge-win { background: var(--gold-dim); color: var(--gold); }
.badge-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
  animation: blink 1.6s ease-in-out infinite;
}
@keyframes blink { 0%,100% { opacity:1 } 50% { opacity:0.35 } }

.progress-bar { height: 5px; background: var(--bg-elevated); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--primary); border-radius: 3px; transition: width 0.5s var(--ease); }

.skeleton {
  background: linear-gradient(90deg, var(--bg-surface) 25%, var(--bg-elevated) 50%, var(--bg-surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--r-sm);
}
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

.divider { height: 1px; background: var(--border); }

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.section-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
}
.section-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
}

#navbar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: var(--navbar-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 4px;
  padding-bottom: env(safe-area-inset-bottom);
  z-index: 100;
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 6px 4px;
  color: var(--text-3);
  border-radius: var(--r-sm);
  transition: color 0.2s var(--ease);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  position: relative;
}
.nav-item.active { color: var(--primary); }
.nav-item.active::before {
  content: '';
  position: absolute;
  top: -1px; left: 50%; transform: translateX(-50%);
  width: 20px; height: 2px;
  background: var(--primary);
  border-radius: 0 0 2px 2px;
}

.nav-play {
  flex: 0 0 auto;
  width: 54px; height: 54px;
  background: var(--primary);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #051612;
  margin-top: -20px;
  box-shadow: 0 6px 24px rgba(0, 200, 184, 0.45), 0 0 0 4px rgba(0,200,184,0.1);
  cursor: pointer;
  transition: all 0.2s var(--ease);
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
}
.nav-play:hover { box-shadow: 0 8px 32px rgba(0,200,184,0.6); transform: translateY(-2px); }
.nav-play:active { transform: scale(0.93); }

#modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}
#modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}
#modal-overlay::before {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  pointer-events: none;
}
#modal-overlay.open::before { opacity: 1; pointer-events: all; }

.modal-sheet {
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-bottom: none;
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  padding: 12px 24px 40px;
  padding-bottom: max(40px, env(safe-area-inset-bottom));
  width: 100%;
  max-width: 430px;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.32,0.72,0,1);
  position: relative;
  box-shadow: 0 -4px 24px rgba(0,0,0,0.08);
}
#modal-overlay.open .modal-sheet { transform: translateY(0); }

.modal-handle {
  width: 36px; height: 4px;
  background: var(--border-2);
  border-radius: 2px;
  margin: 0 auto 20px;
}
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  color: var(--text-3);
  padding: 6px;
  border-radius: var(--r-xs);
  transition: color 0.2s;
}
.modal-close:hover { color: var(--text); }

#toast-container {
  position: fixed;
  top: 20px; left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  width: calc(100% - 32px);
  max-width: 380px;
}
.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--r-md);
  padding: 13px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: all;
  animation: toastIn 0.3s var(--ease) forwards;
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}
.toast.toast-success { border-left: 3px solid var(--primary); }
.toast.toast-error { border-left: 3px solid var(--error); }
.toast.toast-out { animation: toastOut 0.25s var(--ease) forwards; }
@keyframes toastIn { from { opacity:0; transform:translateY(-10px) scale(0.97); } to { opacity:1; transform:translateY(0) scale(1); } }
@keyframes toastOut { from { opacity:1; transform:translateY(0); } to { opacity:0; transform:translateY(-6px); } }

.wallet-alert {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 12px 14px;
  background: rgba(214,50,80,0.08);
  border: 1px solid rgba(214,50,80,0.2);
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--error);
  line-height: 1.4;
  margin-bottom: 16px;
}
.wallet-alert svg { flex-shrink: 0; margin-top: 1px; }

.wallet-info {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px 14px;
}
.wallet-info-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.wallet-info-row:last-child { border-bottom: none; }
.wallet-info-lbl { color: var(--text-3); font-weight: 500; }
.wallet-info-val { color: var(--text); font-weight: 700; }
.wallet-info-total { font-weight: 800; }
.wallet-info-total span:last-child { color: var(--primary); font-size: 16px; font-weight: 900; }

.wallet-amount-wrap {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.wallet-amount-wrap:focus-within { border-color: var(--primary); }
.wallet-amount-input {
  flex: 1;
  padding: 14px 16px;
  border: none;
  background: transparent;
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  font-family: var(--font);
  outline: none;
  height: 56px;
  box-sizing: border-box;
  letter-spacing: -0.01em;
}
.wallet-amount-input::placeholder { color: var(--text-3); font-weight: 700; }
.wallet-amount-cur {
  padding: 0 18px;
  font-size: 14px;
  font-weight: 800;
  color: var(--primary);
  height: 56px;
  display: flex;
  align-items: center;
  border-left: 1px solid var(--border);
  background: var(--bg-surface);
}

.wallet-quick {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-top: 10px;
}
.wallet-quick-btn {
  padding: 9px 4px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-2);
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.wallet-quick-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-dim);
}

.wallet-fees {
  margin-top: 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px 14px;
}

.wallet-bal-card {
  background: linear-gradient(135deg, var(--primary) 0%, #00DDD0 100%);
  border-radius: 14px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 14px;
}
.wallet-bal-lbl {
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.wallet-bal-val {
  font-size: 26px;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.01em;
}

.wallet-warn {
  margin-top: 12px;
  font-size: 12px;
  color: var(--error);
  font-weight: 500;
  line-height: 1.4;
}

.wallet-notice {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 14px;
  padding: 10px 12px;
  background: var(--bg-surface);
  border-radius: 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-3);
  line-height: 1.5;
}
.wallet-notice svg { flex-shrink: 0; margin-top: 1px; }

.support-intro {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  line-height: 1.5;
  margin-bottom: 16px;
}
.support-input {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  font-family: var(--font);
  outline: none;
  height: 52px;
  box-sizing: border-box;
  transition: border-color 0.2s;
}
.support-input:focus { border-color: var(--primary-border); }
.support-input::placeholder { color: var(--text-3); font-weight: 500; }

.support-textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  font-family: var(--font);
  outline: none;
  min-height: 120px;
  resize: vertical;
  box-sizing: border-box;
  transition: border-color 0.2s;
  line-height: 1.5;
}
.support-textarea:focus { border-color: var(--primary-border); }
.support-textarea::placeholder { color: var(--text-3); font-weight: 500; }

.wallet-pending {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  padding: 12px 14px;
  background: var(--primary-dim);
  border: 1px solid var(--primary-border);
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.4;
}
.wallet-pending svg { flex-shrink: 0; }