/* ============================================================
   BuhritBets Design System � Mobile-First Responsive
   ============================================================ */

/* -- CSS Variables ---------------------------------------- */
:root {
  --bg-primary: #0E0E10;
  --bg-surface: #18181B;
  --bg-surface-raised: #1F1F23;
  --bg-input: #121214;
  --border-default: #2F2F35;
  --border-focus: #BF94FF;
  --accent-primary: #9146FF;
  --accent-primary-hover: #772CE8;
  --accent-secondary: #BF94FF;
  --text-primary: #EFEFF1;
  --text-secondary: #ADADB8;
  --text-muted: #7A7A85;
  --status-live: #E91916;
  --status-success: #00C853;
  --status-warning: #FFAB00;
  --status-error: #F44336;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-pill: 999px;
  --font-sans: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Code', 'Fira Code', monospace;
  --bottom-nav-h: 64px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* -- Reset ------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  padding-bottom: calc(var(--bottom-nav-h) + var(--safe-bottom));
  overflow-x: hidden;
}
a { color: var(--accent-secondary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: inline; max-width: 100%; }
ul, ol { list-style: none; }

/* -- Typography ------------------------------------------- */
.t-display { font-size: 1.75rem; font-weight: 700; line-height: 1.2; }
.t-h1 { font-size: 1.5rem; font-weight: 700; line-height: 1.3; }
.t-h2 { font-size: 1.25rem; font-weight: 600; line-height: 1.3; }
.t-h3 { font-size: 1.07rem; font-weight: 600; line-height: 1.4; }
.t-body { font-size: 1rem; font-weight: 400; line-height: 1.5; }
.t-caption { font-size: 0.857rem; font-weight: 400; line-height: 1.4; color: var(--text-muted); }
.t-mono { font-family: var(--font-mono); font-size: 1rem; font-weight: 500; }
.t-secondary { color: var(--text-secondary); }
.text-right { text-align: right; }

/* -- Layout ----------------------------------------------- */
.container { max-width: 960px; margin: 0 auto; padding: 0 16px; }
.container-sm { max-width: 640px; margin: 0 auto; padding: 0 16px; }
.container-xs { max-width: 420px; margin: 0 auto; padding: 0 16px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-xs { gap: 4px; }
.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }
.gap-lg { gap: 24px; }
.gap-xl { gap: 32px; }
.text-center { text-align: center; }
.hidden { display: none !important; }
.w-full { width: 100%; }
.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 24px; }
.mt-xl { margin-top: 32px; }
.mb-sm { margin-bottom: 8px; }
.mb-md { margin-bottom: 16px; }

/* -- Top Nav (hidden on mobile, visible on desktop) ------- */
.nav {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-default);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-logo {
  font-size: 1.286rem;
  font-weight: 700;
  color: var(--accent-primary);
  cursor: pointer;
}
.nav-logo:hover { text-decoration: none; color: var(--accent-secondary); }
.nav-links { display: flex; align-items: center; gap: 16px; }
.nav-links a, .nav-links button {
  color: var(--text-secondary);
  font-size: 0.929rem;
  font-weight: 500;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.nav-links a:hover, .nav-links button:hover { color: var(--text-primary); text-decoration: none; }
.nav-points {
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.929rem;
  color: var(--status-warning);
}

/* -- Bottom Nav (mobile only) ----------------------------- */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(var(--bottom-nav-h) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  background: var(--bg-surface);
  border-top: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: 100;
}
.bottom-nav:empty { display: none; }
.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 6px 4px;
  min-width: 56px;
  min-height: 48px;
  color: var(--text-muted);
  font-size: 0.643rem;
  font-weight: 500;
  font-family: inherit;
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  transition: color 0.15s;
}
.bottom-nav-item:hover { text-decoration: none; }
.bottom-nav-item .bnav-icon { font-size: 1.35rem; line-height: 1; }
.bottom-nav-item .bnav-label { font-size: 0.643rem; }
.bottom-nav-item.active { color: var(--accent-primary); }
.bottom-nav-item.bnav-create {
  background: var(--accent-primary);
  color: #fff;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  min-width: 48px;
  padding: 0;
  box-shadow: 0 2px 12px rgba(145,70,255,0.35);
}
.bottom-nav-item.bnav-create .bnav-icon { font-size: 1.5rem; }
.bottom-nav-item.bnav-create .bnav-label { display: none; }

/* -- Buttons ---------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  min-height: 48px;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}
.btn:focus-visible { outline: 2px solid var(--border-focus); outline-offset: 2px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn:active:not(:disabled) { transform: scale(0.97); }

.btn-primary { background: var(--accent-primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--accent-primary-hover); }

.btn-secondary { background: transparent; color: var(--text-primary); border: 1px solid var(--border-default); }
.btn-secondary:hover:not(:disabled) { background: var(--bg-surface-raised); }

.btn-danger { background: var(--status-error); color: #fff; }
.btn-danger:hover:not(:disabled) { background: #d32f2f; }

.btn-ghost { background: transparent; color: var(--accent-secondary); padding: 6px 12px; min-height: auto; font-weight: 500; }
.btn-ghost:hover { text-decoration: underline; }

.btn-sm { padding: 8px 14px; font-size: 0.857rem; min-height: 40px; }
.btn-full { width: 100%; }

/* -- Inputs ----------------------------------------------- */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 0.929rem; font-weight: 500; color: var(--text-secondary); }
.form-input {
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  min-height: 48px;
  transition: border-color 0.15s;
  -webkit-appearance: none;
  appearance: none;
}
.form-input::placeholder { color: var(--text-muted); }
.form-input:focus { outline: none; border-color: var(--border-focus); box-shadow: 0 0 0 2px rgba(191,148,255,0.15); }
.form-input.error { border-color: var(--status-error); }
.form-helper { font-size: 0.786rem; color: var(--text-muted); }
.form-error { font-size: 0.857rem; color: var(--status-error); padding: 4px 0; }

/* -- Cards ------------------------------------------------ */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 16px;
  transition: border-color 0.2s;
}
.card-hoverable { -webkit-tap-highlight-color: transparent; }
.card-hoverable:hover { border-color: var(--accent-secondary); cursor: pointer; }
.card-hoverable:active { border-color: var(--accent-primary); }
.card-padded { padding: 20px; }

/* -- Status Badges ---------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.714rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-open { background: rgba(145,70,255,0.15); color: var(--accent-secondary); }
.badge-matched { background: rgba(255,171,0,0.15); color: var(--status-warning); }
.badge-settled { background: rgba(0,200,83,0.15); color: var(--status-success); }
.badge-lost { background: rgba(244,67,54,0.15); color: var(--status-error); }
.badge-canceled { background: rgba(122,122,133,0.15); color: var(--text-muted); }
.badge-live { background: rgba(233,25,22,0.15); color: var(--status-live); }

/* -- Live Indicator --------------------------------------- */
.live-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
}
.live-dot.live { background: var(--status-live); animation: pulse-live 1.5s ease-in-out infinite; }
.live-dot.offline { background: #464649; }
.live-dot.connected { background: var(--status-success); }

@keyframes pulse-live {
  0%, 100% { box-shadow: 0 0 0 0 rgba(233,25,22,0.6); }
  50% { box-shadow: 0 0 0 6px rgba(233,25,22,0); }
}

/* -- Status Banner ---------------------------------------- */
.status-banner {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}
.status-banner.is-live { border-color: var(--status-live); box-shadow: 0 0 20px rgba(233,25,22,0.1); }

/* -- Tab Pills (horizontally scrollable on mobile) -------- */
.tab-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 4px;
  scroll-snap-type: x proximity;
}
.tab-row::-webkit-scrollbar { display: none; }
.tab-pill {
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.857rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-default);
  cursor: pointer;
  white-space: nowrap;
  font-family: inherit;
  transition: all 0.15s;
  min-height: 44px;
  display: flex;
  align-items: center;
  scroll-snap-align: start;
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
}
.tab-pill:hover { color: var(--text-primary); border-color: var(--text-muted); }
.tab-pill.active { background: var(--accent-primary); border-color: var(--accent-primary); color: #fff; }

/* -- Bet Card (list item) --------------------------------- */
.bet-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.bet-card .bet-info { flex: 1; min-width: 0; }
.bet-card .bet-condition {
  font-weight: 600;
  font-size: 1rem;
  word-break: break-word;
}
.bet-card .bet-meta {
  font-size: 0.857rem;
  color: var(--text-secondary);
  margin-top: 4px;
  word-break: break-word;
}
.bet-card .bet-note {
  font-size: 0.857rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 6px;
  word-break: break-word;
}
.bet-card .bet-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.bet-card .bet-actions .btn { flex: 1; min-width: 100px; }

/* -- Condition Selector (toggle buttons) ------------------ */
.condition-group { display: flex; gap: 8px; flex-direction: column; }
.condition-btn {
  flex: 1;
  padding: 14px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border-default);
  background: var(--bg-input);
  color: var(--text-secondary);
  text-align: center;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.15s;
  min-height: 48px;
  -webkit-tap-highlight-color: transparent;
}
.condition-btn:hover { border-color: var(--accent-secondary); color: var(--text-primary); }
.condition-btn.active { background: var(--accent-primary); border-color: var(--accent-primary); color: #fff; }
.condition-btn .cond-label { display: block; }
.condition-btn .cond-help { display: block; font-size: 0.786rem; font-weight: 400; margin-top: 4px; opacity: 0.7; }

/* -- Stake Chips ------------------------------------------ */
.chip-row { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-default);
  background: var(--bg-surface-raised);
  color: var(--text-secondary);
  font-size: 0.929rem;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font-mono);
  transition: all 0.15s;
  min-height: 40px;
  display: flex;
  align-items: center;
  -webkit-tap-highlight-color: transparent;
}
.chip:hover { border-color: var(--accent-secondary); color: var(--text-primary); }
.chip.active { background: var(--accent-primary); border-color: var(--accent-primary); color: #fff; }

/* -- Activity Feed ---------------------------------------- */
.feed-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-default);
}
.feed-item:last-child { border-bottom: none; }
.feed-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 2px; }
.feed-text { font-size: 0.929rem; color: var(--text-secondary); word-break: break-word; }
.feed-text strong { color: var(--text-primary); }
.feed-time { font-size: 0.786rem; color: var(--text-muted); margin-top: 2px; }

/* -- Transaction Row -------------------------------------- */
.txn-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  gap: 12px;
  border-bottom: 1px solid var(--border-default);
}
.txn-row:last-child { border-bottom: none; }
.txn-row > div:first-child { min-width: 0; flex: 1; }
.txn-amount { font-family: var(--font-mono); font-weight: 600; flex-shrink: 0; }
.txn-amount.positive { color: var(--status-success); }
.txn-amount.negative { color: var(--status-error); }

/* -- Auth Forms ------------------------------------------- */
.auth-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  max-width: 420px;
  margin: 0 auto;
}

/* -- Hero ------------------------------------------------- */
.hero {
  text-align: center;
  padding: 40px 20px 32px;
  background: linear-gradient(135deg, rgba(145,70,255,0.08) 0%, transparent 60%);
}
.hero-sub {
  color: var(--text-secondary);
  margin-top: 12px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  font-size: 1rem;
}
.hero-cta { margin-top: 24px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-cta .btn { flex: 1; min-width: 140px; max-width: 220px; }
.hero-note { margin-top: 16px; color: var(--text-muted); font-size: 0.857rem; }

/* -- How It Works ----------------------------------------- */
.how-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
.how-card { text-align: center; padding: 20px 16px; }
.how-icon { font-size: 2rem; margin-bottom: 8px; }
.how-title { font-weight: 600; margin-bottom: 4px; }
.how-desc { font-size: 0.857rem; color: var(--text-secondary); }

/* -- Payout Summary --------------------------------------- */
.payout-card {
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 16px;
}

/* -- Settlement (bet detail) ------------------------------ */
.settlement-card { border-left: 3px solid var(--status-success); }
.settlement-card.lost { border-left-color: var(--status-error); }

/* -- Leaderboard / Profile -------------------------------- */
.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.143rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

/* -- Toast ------------------------------------------------ */
.toast-container {
  position: fixed;
  bottom: calc(var(--bottom-nav-h) + var(--safe-bottom) + 12px);
  left: 16px;
  right: 16px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  pointer-events: none;
}
.toast {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 12px 20px;
  font-size: 0.929rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  animation: slideUp 0.25s ease-out;
  max-width: 360px;
  width: 100%;
  pointer-events: auto;
}
.toast.success { border-left: 3px solid var(--status-success); }
.toast.error { border-left: 3px solid var(--status-error); }
.toast.info { border-left: 3px solid var(--accent-primary); }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* -- Skeleton Loading ------------------------------------- */
.skeleton {
  background: var(--bg-surface-raised);
  border-radius: var(--radius);
  animation: skeleton-pulse 1.2s ease-in-out infinite;
}
.skeleton-line { height: 16px; margin-bottom: 8px; border-radius: 4px; }
.skeleton-line.w-60 { width: 60%; }
.skeleton-line.w-80 { width: 80%; }
.skeleton-line.w-40 { width: 40%; }

@keyframes skeleton-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.6; }
}

/* -- Modal ------------------------------------------------ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 200;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
}
.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 24px 20px;
  max-width: 520px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
}

/* -- Empty State ------------------------------------------ */
.empty-state {
  text-align: center;
  padding: 40px 16px;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: 12px; }

/* -- Inline Emotes ---------------------------------------- */
.emote {
  display: inline-block;
  height: 1.4em;
  width: auto;
  vertical-align: middle;
  margin: 0 2px;
}

/* -- Page content area ------------------------------------ */
.page { padding: 16px 0 32px; }

/* -- Footer ----------------------------------------------- */
.footer {
  text-align: center;
  padding: 24px 16px;
  font-size: 0.786rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-default);
  margin-top: 32px;
}

/* =========================================================
   DESKTOP (>=900px) - switch to top nav
   ========================================================= */
@media (min-width: 900px) {
  :root { --bottom-nav-h: 0px; }

  body { padding-bottom: 0; }

  /* Show top nav, hide bottom nav */
  .nav { display: flex; }
  .bottom-nav { display: none; }

  /* Typography scale up */
  .t-display { font-size: 2.5rem; }
  .t-h1 { font-size: 1.75rem; }
  .t-h2 { font-size: 1.429rem; }

  /* Layout */
  .page { padding: 24px 0 64px; }
  .card-padded { padding: 28px; }
  .auth-card { padding: 32px; }

  /* Hero */
  .hero { padding: 64px 24px; }

  /* How grid -> 3 columns */
  .how-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }

  /* Bet card -> horizontal row */
  .bet-card { flex-direction: row; align-items: center; gap: 16px; }
  .bet-card .bet-actions { flex-shrink: 0; }
  .bet-card .bet-actions .btn { flex: initial; min-width: auto; }

  /* Condition buttons -> row */
  .condition-group { flex-direction: row; }

  /* Status banner -> row */
  .status-banner { flex-wrap: nowrap; }

  /* Toast position */
  .toast-container {
    bottom: 24px;
    left: auto;
    right: 24px;
    align-items: flex-end;
  }

  /* Modal -> centered */
  .modal-overlay { align-items: center; padding: 16px; }
  .modal-content { border-radius: var(--radius-lg); padding: 32px; }
}

/* -- Extra-small screens (<=360px) ------------------------ */
@media (max-width: 360px) {
  html { font-size: 13px; }
  .container, .container-sm, .container-xs { padding: 0 12px; }
  .card-padded { padding: 14px; }
  .auth-card { padding: 20px 16px; }
  .hero { padding: 32px 12px 24px; }
  .chip { padding: 6px 12px; font-size: 0.857rem; }
  .tab-pill { padding: 8px 14px; }
}