/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-size: var(--fs-small);
  font-weight: 600;
  padding: 12px 20px;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease, transform .1s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn:disabled, .btn[aria-disabled="true"] {
  opacity: .5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary { background: var(--color-primary); color: var(--color-primary-foreground); }
.btn-primary:hover { background: var(--color-primary-dark); }

.btn-accent {
  background: var(--color-accent);
  color: var(--color-accent-foreground);
  box-shadow: 0 4px 14px rgba(216, 155, 42, 0.32);
}
.btn-accent:hover { background: var(--color-accent-dark); box-shadow: 0 6px 18px rgba(216, 155, 42, 0.4); }
.btn-accent:active { filter: brightness(0.94); }

.btn-outline {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-primary);
}
.btn-outline:hover { border-color: var(--color-primary); background: var(--color-background-alt); }

.btn-ghost { background: transparent; color: var(--color-primary); }
.btn-ghost:hover { background: var(--color-background-alt); }

.btn-danger-outline {
  background: transparent;
  border-color: var(--color-destructive);
  color: var(--color-destructive);
}
.btn-danger-outline:hover { background: var(--color-destructive-tint); }

.btn-sm { padding: 8px 14px; font-size: var(--fs-xs); }
.btn-lg { padding: 15px 26px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-icon { padding: 10px; }

/* ==========================================================================
   Badges
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
}
.badge .icon { width: 12px; height: 12px; }

.badge-neutral { background: var(--color-muted); color: var(--color-muted-foreground); }
.badge-success { background: var(--color-success-tint); color: var(--color-success); }
.badge-accent { background: var(--color-glass-tint); color: var(--color-glass-fg-dark); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); border: 1px solid var(--color-glass-border); }
.badge-primary { background: rgba(20,48,77,.08); color: var(--color-primary); }
.badge-live { background: var(--color-success-tint); color: var(--color-success); }
.badge-hot {
  background: linear-gradient(90deg, #ff6a3d, #ff3d3d);
  color: #fff;
  animation: hot-pulse 1.8s infinite;
}
@keyframes hot-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 61, 61, .45); }
  50% { box-shadow: 0 0 0 5px rgba(255, 61, 61, 0); }
}
.badge-live .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-success);
  animation: pulse-dot 1.6s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.card-pad { padding: var(--space-5); }

/* ==========================================================================
   Header / Nav
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.site-header .container {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-primary);
}
.brand .brand-mark {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: var(--color-primary);
  display: grid;
  place-items: center;
  color: var(--color-accent-pale);
}
.brand .brand-mark .icon { width: 19px; height: 19px; stroke-width: 2; }

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.main-nav a {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--color-foreground);
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover { color: var(--color-primary); }
.main-nav a.active { color: var(--color-primary); border-color: var(--color-accent); }

.header-actions { display: flex; align-items: center; gap: var(--space-3); }

.nav-toggle {
  display: none;
  background: none; border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm);
  padding: 8px;
}

@media (max-width: 900px) {
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; }

  .main-nav.mobile-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    position: fixed;
    top: var(--header-height);
    left: 0; right: 0;
    background: var(--color-card);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    padding: var(--space-3) var(--space-5) var(--space-5);
  }
  .main-nav.mobile-open a { padding: 14px 0; border-bottom: 1px solid var(--color-border); }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-primary);
  color: rgba(255,255,255,.78);
  padding-block: var(--space-7) var(--space-6);
}
.site-footer .brand { color: #fff; }
.site-footer .brand .brand-mark { background: rgba(255,255,255,.12); color: var(--color-accent-pale); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
  gap: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(255,255,255,.12);
  margin-bottom: var(--space-5);
}
.footer-grid h4 {
  color: #fff;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: var(--space-3);
}
.footer-grid a, .footer-grid p { color: rgba(255,255,255,.72); font-size: var(--fs-small); }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a:hover { color: #fff; }
.footer-disclaimer {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,.55);
  line-height: 1.6;
  max-width: 900px;
}
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: var(--space-5);
  font-size: var(--fs-xs);
  color: rgba(255,255,255,.5);
  flex-wrap: wrap;
  gap: var(--space-3);
}

@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ==========================================================================
   Progress bar
   ========================================================================== */

.progress {
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-muted);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-dark));
  border-radius: var(--radius-full);
  transition: width .4s ease;
}
.progress-fill.is-complete { background: linear-gradient(90deg, var(--color-success), #0e5c38); }
.progress-meta {
  display: flex;
  justify-content: space-between;
  font-size: var(--fs-xs);
  color: var(--color-muted-foreground);
  margin-top: 6px;
}

/* ==========================================================================
   Countdown timer
   ========================================================================== */

.countdown {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-destructive);
  background: var(--color-destructive-tint);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
}
.countdown .icon { width: 14px; height: 14px; }

/* ==========================================================================
   Stage tracker (stepper)
   ========================================================================== */

.tracker {
  display: flex;
  align-items: flex-start;
}
.tracker-step {
  flex: 1;
  position: relative;
  text-align: left;
  padding-top: 34px;
}
.tracker-step::before {
  content: '';
  position: absolute;
  top: 13px; left: 0; right: 0;
  height: 2px;
  background: var(--color-border-strong);
}
.tracker-step:first-child::before { left: 50%; }
.tracker-step:last-child::before { right: 50%; }
.tracker-step.is-done::before,
.tracker-step.is-current::before { background: var(--color-accent); }
.tracker-step .dot {
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--color-card);
  border: 2px solid var(--color-border-strong);
  display: grid; place-items: center;
  color: var(--color-muted-foreground);
  z-index: 1;
}
.tracker-step .dot .icon { width: 14px; height: 14px; }
.tracker-step.is-done .dot { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.tracker-step.is-current .dot { border-color: var(--color-accent); color: var(--color-accent-dark); box-shadow: 0 0 0 4px var(--color-accent-tint); }
.tracker-step .label {
  display: block;
  text-align: center;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-foreground);
  margin-bottom: 2px;
}
.tracker-step .date {
  display: block;
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--color-muted-foreground);
  font-family: var(--font-mono);
}

.tracker-compact { display: flex; align-items: center; gap: 4px; }
.tracker-compact .seg { flex: 1; height: 4px; border-radius: 2px; background: var(--color-border-strong); }
.tracker-compact .seg.is-done { background: var(--color-accent); }
.tracker-compact .seg.is-current { background: var(--color-accent); opacity: .55; }
.tracker-compact-label { font-size: var(--fs-xs); color: var(--color-muted-foreground); margin-top: 6px; }

@media (max-width: 640px) {
  .tracker-step .label { font-size: 10px; }
}

/* ==========================================================================
   Tabs
   ========================================================================== */

.tabs-list {
  display: inline-flex;
  background: var(--color-muted);
  border-radius: var(--radius-md);
  padding: 4px;
  gap: 4px;
}
.tabs-list button {
  border: 0;
  background: transparent;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-muted-foreground);
}
.tabs-list button.active { background: var(--color-card); color: var(--color-primary); box-shadow: var(--shadow-sm); }
.tabs-list button.is-soon { cursor: not-allowed; opacity: .7; }
.tabs-list button.is-soon:hover { background: transparent; }

/* Looks disabled but stays clickable, so the click handler can show a
   "coming soon" toast — real `disabled`/aria-disabled trigger pointer-events:
   none above and would silently swallow the click instead. */
.btn-soon { opacity: .55; cursor: not-allowed; }
.btn-soon:hover { background: inherit; }

/* ==========================================================================
   Accordion (FAQ)
   ========================================================================== */

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  background: none;
  border: 0;
  padding: 20px 4px;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
}
.accordion-trigger .icon { width: 18px; height: 18px; color: var(--color-accent); transition: transform .2s ease; flex-shrink: 0; }
.accordion-item.is-open .accordion-trigger .icon { transform: rotate(45deg); }
.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease;
}
.accordion-panel-inner { padding: 0 4px 20px; color: var(--color-muted-foreground); font-size: var(--fs-small); line-height: 1.7; }

/* ==========================================================================
   Forms
   ========================================================================== */

.field { margin-bottom: var(--space-4); }
.field label {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-foreground);
  margin-bottom: 6px;
}
.field .hint { font-size: var(--fs-xs); color: var(--color-muted-foreground); margin-top: 6px; }

.input, .select {
  width: 100%;
  border: 1px solid var(--color-border-strong);
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: var(--fs-body);
  font-family: var(--font-sans);
  color: var(--color-foreground);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.input:focus, .select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(20,48,77,.12);
}
.input-prefix-wrap { position: relative; }
.input-prefix-wrap .prefix {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  color: var(--color-muted-foreground); font-family: var(--font-mono); font-weight: 600;
}
.input-prefix-wrap .input { padding-left: 30px; }

.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}
.tier-tile {
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: 10px 8px;
  text-align: center;
  background: var(--color-card);
  cursor: default;
  transition: border-color .15s ease, background .15s ease;
}
.tier-tile.is-active {
  border-color: var(--color-glass-border);
  background: var(--color-glass-tint);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.tier-tile .amt { font-family: var(--font-mono); font-weight: 700; font-size: var(--fs-small); color: var(--color-primary); display: block; }
.tier-tile .bonus { font-size: var(--fs-xs); color: var(--color-success); display: block; margin-top: 2px; }

/* ==========================================================================
   Modal
   ========================================================================== */

.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(12, 24, 51, .55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-4);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease;
}
.modal-overlay.is-open { opacity: 1; pointer-events: auto; }
.modal-panel {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.86) 0%, rgba(214, 226, 250, 0.74) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-glass);
  width: 100%;
  max-width: 460px;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(12px) scale(.98);
  transition: transform .18s ease;
}
.modal-overlay.is-open .modal-panel { transform: translateY(0) scale(1); }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-5) var(--space-5) 0;
}
.modal-header h3 { font-size: 1.15rem; }
.modal-close {
  background: var(--color-muted);
  border: 0; border-radius: 50%;
  width: 32px; height: 32px;
  display: grid; place-items: center;
  color: var(--color-muted-foreground);
}
.modal-body { padding: var(--space-5); }
.modal-foot { padding: 0 var(--space-5) var(--space-5); }

/* ==========================================================================
   Table
   ========================================================================== */

.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; font-size: var(--fs-small); }
.data-table th {
  text-align: left;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--color-muted-foreground);
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.data-table td {
  padding: 14px;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.data-table tr:last-child td { border-bottom: 0; }
.data-table td.mono, .data-table th.num { font-family: var(--font-mono); }
.data-table tr.is-total-row td { border-top: 2px solid var(--color-border-strong); border-bottom: 2px solid var(--color-border-strong); background: var(--color-background-alt); }

/* ==========================================================================
   Misc utility
   ========================================================================== */

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat .value { font-family: var(--font-mono); font-size: clamp(1.5rem, 1.2rem + 1vw, 2.1rem); font-weight: 700; color: var(--color-primary); }
.stat .label { font-size: var(--fs-xs); color: var(--color-muted-foreground); }

.divider { height: 1px; background: var(--color-border); border: 0; margin: var(--space-5) 0; }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-full);
  padding: 8px 14px;
  font-size: var(--fs-small);
  font-weight: 500;
  background: var(--color-card);
}
.chip:hover { border-color: var(--color-primary); }
.chip.is-active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

.avatar-callout {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-4);
  border-radius: var(--radius-glass);
  background: var(--color-glass-tint);
  border: 1px solid var(--color-glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.avatar-callout .icon { color: var(--color-glass-fg-dark); width: 20px; height: 20px; margin-top: 2px; }

.callout-danger {
  background: var(--color-destructive-tint);
  border: 1px solid rgba(179,38,30,.3);
}
.callout-danger .icon { color: var(--color-destructive); }

.callout-neutral {
  background: var(--color-background-alt);
  border: 1px solid var(--color-border);
}
.callout-neutral .icon { color: var(--color-primary); }

.toast {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: linear-gradient(160deg, rgba(20, 48, 77, 0.88) 0%, rgba(36, 81, 214, 0.72) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #fff;
  padding: 14px 20px;
  border-radius: var(--radius-glass);
  font-size: var(--fs-small);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
  display: flex; align-items: center; gap: 10px;
}
.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast .icon { color: var(--color-glass-pale); width: 18px; height: 18px; }