* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html, body {
  height: 100%;
  width: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text);
  overflow: hidden;
  overscroll-behavior: none;
  -webkit-font-smoothing: antialiased;
  touch-action: manipulation;
}

/* Prevent bounce on iOS and pull-to-refresh on Android */
#app, .page, .app-content, .detail-content {
  overscroll-behavior: none;
  -webkit-overflow-scrolling: touch;
}

/* Prevent text selection and callout on mobile */
* { -webkit-user-select: none; user-select: none; }
input, textarea { -webkit-user-select: text; user-select: text; }

/* Prevent callout menu on long press */
* { -webkit-touch-callout: none; }

/* Prevent auto-zoom on input focus (iOS Safari) */
input, textarea, select { font-size: 16px; }

/* Smooth momentum scrolling for iOS */
.app-content, .detail-content {
  -webkit-overflow-scrolling: touch;
  overflow-y: auto;
}

/* Prevent rubber-banding on overscroll */
html { overscroll-behavior-y: none; }

#app { height: 100%; display: flex; flex-direction: column; }
.page { height: 100%; width: 100%; display: flex; flex-direction: column; }
.hidden { display: none !important; }

/* MODAL OPEN — hide underlying app to prevent fixed elements showing through on iOS */
body.modal-open #app { visibility: hidden; }

/* ================================================================ */
:root {
  --bg: #0f172a;
  --bg-gradient: radial-gradient(ellipse at top, #1e293b 0%, #0f172a 60%);
  --surface: #1e293b;
  --surface-light: #334155;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --text: #f1f5f9;
  --text-dim: #94a3b8;
  --success: #22c55e;
  --danger: #ef4444;
  --radius: 14px;
  --radius-sm: 8px;
  --transition-fast: all 0.15s ease;
  --transition: all 0.25s ease;
  --glass-border: 1px solid rgba(255,255,255,0.06);
}

/* Login */
#auth-page {
  justify-content: center;
  align-items: center;
  padding: 24px;
  background: var(--bg);
  background-image: var(--bg-gradient);
}
.auth-container {
  width: 100%;
  max-width: 360px;
  text-align: center;
}
.logo { font-size: 42px; margin-bottom: 8px; }
.logo-title { font-size: 24px; font-weight: 800; margin-bottom: 24px; letter-spacing: -0.5px; }
.pin-display {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 24px;
}
.pin-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--surface-light);
  background: transparent;
  transition: var(--transition-fast);
}
.pin-dot.selected { background: var(--accent); border-color: var(--accent); }
.pin-pad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px; }
.pin-btn {
  aspect-ratio: 1;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--surface-light);
  color: var(--text);
  font-size: 22px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}
.pin-btn:active { background: var(--surface-light); transform: scale(0.95); }
.auth-error { color: var(--danger); font-size: 13px; margin-bottom: 12px; min-height: 20px; }
.auth-links { font-size: 13px; color: var(--text-dim); margin-top: 16px; }
.auth-links a { color: var(--accent); text-decoration: none; font-weight: 600; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: none;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition-fast);
  background: var(--surface);
  color: var(--text);
}
.btn-primary { background: var(--accent); color: #0f172a; }
.btn-primary:active { background: var(--accent-light); transform: scale(0.97); }
.btn-secondary { background: var(--surface-light); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-full { width: 100%; }
.btn-icon { background: transparent; color: var(--text); padding: 8px; font-size: 20px; }

/* MAIN APP */
#main-app { padding-bottom: max(70px, calc(70px + env(safe-area-inset-bottom))); }
.app-header {
  background: var(--surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 20px;
  padding-top: max(14px, env(safe-area-inset-top));
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: var(--glass-border);
}
.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 600px;
  margin: 0 auto;
}
.header-content h2 { font-size: 20px; font-weight: 800; letter-spacing: -0.5px; }
.wallet-badge {
  background: var(--surface-light);
  backdrop-filter: blur(10px);
  padding: 6px 16px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Tabs */
.app-content { flex: 1; padding: 16px; max-width: 600px; margin: 0 auto; width: 100%; }
.tab-content.hidden { display: none !important; }

/* Bets */
.bets-list { display: flex; flex-direction: column; gap: 12px; }
.bet-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 16px;
  border: 1px solid rgba(255,255,255,0.06);
  cursor: pointer;
  transition: var(--transition-fast);
  position: relative;
  overflow: hidden;
}
.bet-card:active { border-color: var(--accent); transform: scale(0.99); }
.bet-card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 8px; }
.bet-card-title { font-weight: 700; font-size: 15px; flex: 1; }
.bet-card-meta { font-size: 12px; color: var(--text-dim); }
.bet-card-pool { font-size: 13px; font-weight: 700; color: var(--accent); margin-top: 4px; }
.bet-card-status {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 6px;
}
.status-open { background: rgba(34,197,94,0.15); color: var(--success); }
.status-resolved { background: rgba(148,163,184,0.15); color: var(--text-dim); }

/* Filters */
.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  overflow-x: auto;
  padding-bottom: 4px;
  -ms-overflow-style: none;
}
.filter-bar::-webkit-scrollbar { display: none; }
.filter-btn {
  background: var(--surface);
  border: 1px solid var(--surface-light);
  color: var(--text-dim);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-fast);
}
.filter-btn.active { background: var(--accent); color: #0f172a; border-color: var(--accent); }

/* Empty state */
.empty-state { text-align: center; padding: 40px 20px; color: var(--text-dim); }
.empty-state-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state-text { font-size: 15px; margin-bottom: 16px; }

/* Forms */
.form-input {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--surface-light);
  background: var(--surface);
  color: var(--text);
  font-size: 16px;
  outline: none;
  transition: var(--transition-fast);
}
.form-input:focus { border-color: var(--accent); }
.form-label { font-size: 12px; font-weight: 700; color: var(--text-dim); margin-bottom: 6px; display: block; text-transform: uppercase; }
.form-group { margin-bottom: 16px; }

/* Options */
.options-vote { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.vote-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  background: var(--surface);
  border: 2px solid var(--surface-light);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}
.vote-option.selected { border-color: var(--accent); background: rgba(245,158,11,0.08); }
.vote-option-text { font-weight: 600; font-size: 14px; }
.vote-option-odds { font-size: 12px; color: var(--text-dim); font-weight: 700; }

/* Bet actions */
.bet-actions { display: flex; gap: 10px; margin-bottom: 16px; }
.token-input-group { display: flex; align-items: center; gap: 10px; }
.token-input { width: 60px; text-align: center; font-weight: 700; }

/* Detail */
.participants-list { margin-top: 20px; }
.participants-list h4 { margin-bottom: 10px; font-size: 14px; color: var(--text-dim); text-transform: uppercase; }
.participant-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--surface-light);
  font-size: 13px;
}

/* Comments */
.comments-list { margin-top: 24px; }
.comments-list h4 { margin-bottom: 12px; font-size: 14px; color: var(--text-dim); text-transform: uppercase; }
.comment-row { padding: 10px 0; border-bottom: 1px solid var(--surface-light); }
.comment-author { font-weight: 700; font-size: 12px; color: var(--accent); margin-bottom: 2px; }
.comment-content { font-size: 14px; margin-bottom: 2px; }
.comment-date { font-size: 11px; color: var(--text-dim); }
.comment-input-group {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--surface-light);
}

/* Toast */
#toast-container {
  position: fixed;
  top: max(20px, env(safe-area-inset-top));
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  pointer-events: none;
}
.toast {
  background: var(--surface);
  color: var(--text);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  border: 1px solid var(--surface-light);
  animation: toastIn 0.3s ease;
  pointer-events: auto;
}
@keyframes toastIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

/* Leaderboard */
.leaderboard-list { display: flex; flex-direction: column; gap: 8px; }
.leaderboard-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--surface);
  border-radius: var(--radius-sm);
}
.lb-rank {
  width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 800;
}
.lb-rank.gold { background: #fbbf24; color: #0f172a; }
.lb-rank.silver { background: #cbd5e1; color: #0f172a; }
.lb-rank.bronze { background: #b45309; color: #fff; }
.lb-info { display: flex; align-items: center; flex: 1; }
.lb-name { font-weight: 600; font-size: 14px; }
.lb-tokens { font-weight: 700; color: var(--accent); font-size: 14px; }

/* BET DETAIL — fullscreen overlay */
.bet-detail {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  width: 100%;
  height: 100%;
  height: -webkit-fill-available;
  background: var(--bg);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  animation: slideUp 0.25s ease;
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
}
@keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
.detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  padding-top: max(12px, env(safe-area-inset-top));
  background: var(--surface);
  border-bottom: 1px solid var(--surface-light);
  flex-shrink: 0;
}
.detail-header span { font-weight: 700; font-size: 16px; }
.detail-content {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 20px;
  padding-bottom: max(120px, calc(20px + env(safe-area-inset-bottom)));
  max-width: 600px;
  margin: 0 auto;
  width: 100%;
}
.detail-title { font-size: 22px; font-weight: 800; margin-bottom: 8px; }
.detail-meta { color: var(--text-dim); font-size: 13px; margin-bottom: 20px; }
.detail-pool {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  margin-bottom: 20px;
}
.detail-pool-label { font-size: 12px; color: var(--text-dim); text-transform: uppercase; }
.detail-pool-value { font-size: 32px; font-weight: 800; color: var(--accent); }

.options-vote { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }

/* History */
.history-list { display: flex; flex-direction: column; gap: 10px; }
.history-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  font-size: 13px;
}
.history-type { font-weight: 700; font-size: 11px; text-transform: uppercase; }
.history-amount { font-weight: 700; }
.history-amount.positive { color: var(--success); }
.history-amount.negative { color: var(--danger); }

/* Profile */
.profile-header { text-align: center; padding: 20px 0; }
.profile-avatar { font-size: 48px; margin-bottom: 8px; }
.profile-name { font-size: 20px; font-weight: 800; margin-bottom: 4px; }
.profile-meta { font-size: 13px; color: var(--text-dim); }
.profile-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}
.stat-box {
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 14px 10px;
  text-align: center;
}
.stat-value { font-size: 20px; font-weight: 800; color: var(--accent); }
.stat-label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; margin-top: 4px; }

/* Toggle sections */
.toggle-section { margin-bottom: 16px; }
.toggle-btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--surface-light);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.toggle-panel {
  background: var(--surface);
  border: 1px solid var(--surface-light);
  border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  padding: 16px;
  overflow: hidden;
}

/* Challenges */
.challenge-card {
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 10px;
  border: 1px solid var(--surface-light);
}
.challenge-title { font-weight: 700; font-size: 14px; margin-bottom: 4px; }
.challenge-desc { font-size: 13px; color: var(--text-dim); margin-bottom: 8px; }
.challenge-meta { display: flex; justify-content: space-between; align-items: center; }
.challenge-cost { font-weight: 700; color: var(--accent); font-size: 13px; }
.challenge-difficulty {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 6px;
}
.diff-easy { background: rgba(34,197,94,0.15); color: var(--success); }
.diff-medium { background: rgba(245,158,11,0.15); color: var(--accent); }
.diff-hard { background: rgba(239,68,68,0.15); color: var(--danger); }

/* Ideas */
.idea-card {
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 10px;
  border: 1px solid var(--surface-light);
}
.idea-category { font-size: 11px; font-weight: 700; text-transform: uppercase; color: var(--accent); margin-bottom: 4px; }
.idea-title { font-weight: 700; font-size: 14px; margin-bottom: 4px; }
.idea-stake { font-size: 12px; color: var(--text-dim); }

/* Bottom nav */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0; right: 0;
  background: var(--surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: var(--glass-border);
  display: flex;
  justify-content: space-around;
  padding: 8px 0 max(16px, env(safe-area-inset-bottom));
  z-index: 20;
}
.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 10px;
  font-weight: 600;
  cursor: pointer;
  padding: 4px;
  transition: var(--transition-fast);
  position: relative;
}
.nav-item.active { color: var(--accent); }
.nav-icon { display: flex; align-items: center; justify-content: center; }

/* Admin */
.admin-panel { margin-top: 16px; }
.admin-list { display: flex; flex-direction: column; gap: 8px; }
.admin-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  font-size: 13px;
}
.admin-actions { display: flex; gap: 6px; }
.transfer-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

/* Admin reveal */
.admin-reveal-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  padding: 0;
  line-height: 1;
}

/* Floating create button */
.fab {
  position: fixed;
  bottom: max(90px, calc(90px + env(safe-area-inset-bottom)));
  right: 20px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #0f172a;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(245,158,11,0.3);
  cursor: pointer;
  z-index: 100;
}
.fab:active { transform: scale(0.92); }

/* Badges */
.badge-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.badge-item {
  background: var(--surface);
  border: 1px solid var(--surface-light);
  border-radius: 20px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
}

/* Theme selector */
.theme-selector { display: flex; gap: 8px; flex-wrap: wrap; }
.theme-btn {
  width: 36px; height: 36px; border-radius: 50%; border: 2px solid transparent;
  cursor: pointer; transition: var(--transition-fast);
}
.theme-btn.active { border-color: var(--text); box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--text); }

/* Animations */
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.animate-fade { animation: fadeIn 0.3s ease; }