/* ═══════════════════════════════════════════════════════════════════════
 * Avalant — navbar (matches /landing language)
 *
 * Sticky, blur-backed, scroll-aware bottom border. On scroll the nav
 * gains a subtle border + slightly stronger background. Mobile (≤900px)
 * collapses link strip into a fullscreen drawer triggered by a burger
 * button.
 * ═══════════════════════════════════════════════════════════════════════ */

.topbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,13,0.78);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease;
}
.topbar.scrolled {
  border-bottom-color: var(--border);
  background: rgba(10,10,13,0.92);
}

app-navbar {
  display: flex;
  align-items: center;
  height: 64px;
  padding: 0 24px;
  width: 100%;
  position: relative;
}

.brand {
  font-weight: 800; font-size: 18px; letter-spacing: -0.01em;
  display: inline-flex; align-items: baseline; line-height: 1;
  color: var(--text);
  flex-shrink: 0;
  user-select: none;
}
.brand:hover { opacity: 0.85; }

/* ─── Center menu (desktop) — absolutely positioned so it ignores side widths */
.topbar-nav {
  display: flex; align-items: center; gap: 4px;
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
}
.nav-lnk {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  font-size: 14px; font-weight: 500;
  color: var(--text2);
  border: 1px solid transparent;
  border-radius: var(--r);
  transition: color var(--dur-fast) ease, background var(--dur-fast) ease, border-color var(--dur-fast) ease;
  position: relative;
  white-space: nowrap;
}
button.nav-lnk { background: none; cursor: pointer; }
.nav-lnk svg { opacity: 0.65; transition: opacity var(--dur-fast) ease; flex-shrink: 0; }
.nav-lnk:hover { color: var(--text); background: var(--surface2); }
.nav-lnk:hover svg { opacity: 1; }
.nav-lnk:active { transform: translateY(1px); }
.nav-lnk.active {
  color: var(--green);
  background: var(--green-soft);
  border-color: var(--green-edge);
}
.nav-lnk.active svg { opacity: 1; }

/* ─── Right cluster (desktop) ─────────────────────────────────────────── */
.topbar-right {
  display: flex; align-items: center; gap: 10px;
  margin-left: auto;
  flex-shrink: 0;
}

/* Icon-only buttons in topbar-right (watchlist, alerts) */
.nav-lnk-icon, .nav-lnk-bell {
  width: 36px; height: 36px; padding: 0;
  border-radius: var(--r);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--text2); background: transparent;
  border: 1px solid transparent;
  transition: color var(--dur-fast), background var(--dur-fast), border-color var(--dur-fast);
  position: relative;
}
.nav-lnk-icon:hover, .nav-lnk-bell:hover {
  color: var(--green); background: var(--green-soft); border-color: var(--green-edge);
}
.nav-lnk-icon.active { color: var(--green); background: var(--green-soft); border-color: var(--green-edge); }

.nav-lnk-bell { background: none; cursor: pointer; }
.nav-dot {
  position: absolute; top: 6px; right: 6px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 2px var(--bg);
  animation: dot-pulse 1.8s ease-in-out infinite;
}

/* ─── Avatar ──────────────────────────────────────────────────────────── */
.avatar-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green) 0%, #7BE0C9 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; color: #071612;
  text-decoration: none; cursor: pointer; flex-shrink: 0;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-med) ease;
}
.avatar-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 16px -2px rgba(26,255,171,0.45); }

/* ─── Burger / mobile drawer ──────────────────────────────────────────── */
.nav-burger {
  display: none;
  width: 40px; height: 40px;
  border-radius: var(--r);
  align-items: center; justify-content: center;
  margin-left: auto;
  color: var(--text); background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--dur-fast), border-color var(--dur-fast);
}
.nav-burger:hover { background: var(--surface2); }
.nav-burger.open { background: var(--surface2); border-color: var(--border); }

/* Drawer */
.nav-drawer {
  position: fixed; inset: 0;
  background: rgba(10,10,13,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 200;
  display: none;
  flex-direction: column;
  padding: 24px var(--gutter);
}
.nav-drawer.open { display: flex; animation: fade-in var(--dur-med) var(--ease) both; }

.drawer-top {
  display: flex; align-items: center; justify-content: space-between;
  height: 40px;
}
.drawer-menu {
  display: flex; flex-direction: column; gap: 2px;
  margin-top: 48px;
}
.drawer-menu a {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  font-family: 'Fraunces', Georgia, serif;
  font-size: 32px; font-weight: 400; letter-spacing: -0.02em;
  color: var(--text);
  display: flex; justify-content: space-between; align-items: center;
  transition: color var(--dur-fast) ease;
}
.drawer-menu a:hover { color: var(--green); }
.drawer-menu a.active { color: var(--green); }
.drawer-menu a .num {
  color: var(--text3); font-family: 'JetBrains Mono', monospace;
  font-size: 12px; font-weight: 500;
}
.drawer-cta {
  display: flex; gap: 10px; margin-top: auto; padding-top: 24px;
}
.drawer-cta .btn { flex: 1; }

/* Mobile breakpoint */
@media (max-width: 900px) {
  app-navbar { padding: 0 16px; height: 56px; }
  .topbar-nav { display: none; }
  .topbar-right { display: none; }
  .nav-burger { display: inline-flex; }
}

/* ─── Alerts popover (anchored to .nav-lnk-bell) ─────────────────────── */
.nb-alerts-pop {
  width: 360px; max-width: calc(100vw - 16px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: 0 12px 40px -8px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.02) inset;
  overflow: hidden;
  animation: fade-in var(--dur-med) var(--ease) both;
}
.nbap-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface2);
}
.nbap-title { font-size: 13px; font-weight: 700; letter-spacing: -0.01em; color: var(--text); }
.nbap-add {
  font-size: 12px; font-weight: 600;
  padding: 4px 10px; border-radius: var(--r);
  color: var(--green); background: var(--green-soft); border: 1px solid var(--green-edge);
  text-decoration: none; transition: background var(--dur-fast) ease;
}
.nbap-add:hover { background: rgba(26,255,171,0.18); }
.nbap-body { max-height: 480px; overflow-y: auto; padding: 6px; }
.nbap-empty {
  padding: 32px 24px; text-align: center; color: var(--text3);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.nbap-empty-ic { color: var(--text4); }
.nbap-empty-title { font-size: 13px; font-weight: 600; color: var(--text2); }
.nbap-empty-sub { font-size: 12px; line-height: 1.5; max-width: 280px; }
.nbap-spinner {
  display: inline-block; width: 18px; height: 18px;
  border: 2px solid var(--border2); border-top-color: var(--green);
  border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.nbap-row {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 10px; border-radius: var(--r);
  transition: background var(--dur-fast) ease;
}
.nbap-row:hover { background: var(--surface2); }
.nbap-row-main { flex: 1; min-width: 0; display: block; color: inherit; text-decoration: none; }
.nbap-row-top { display: flex; align-items: center; gap: 6px; margin-bottom: 2px; }
.nbap-sym { font-weight: 700; font-size: 13px; color: var(--text); letter-spacing: -0.01em; }
.nbap-mode {
  font-size: 9.5px; font-weight: 700; letter-spacing: 0.06em;
  padding: 1px 6px; border-radius: var(--r-sm);
  background: var(--surface3); color: var(--text2);
}
.nbap-trig { font-size: 11px; opacity: 0.85; }
.nbap-row-sub { display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--text3); }
.nbap-thr { font-family: var(--mono); color: var(--text2); font-weight: 600; }
.nbap-pair { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.nbap-toggle {
  flex-shrink: 0;
  font-size: 10px; font-weight: 700; letter-spacing: 0.04em;
  padding: 4px 9px; border-radius: var(--r-sm);
  background: var(--surface3); color: var(--text3);
  border: 1px solid var(--border);
  cursor: pointer; transition: all var(--dur-fast) ease;
}
.nbap-toggle.on { background: var(--green-soft); color: var(--green); border-color: var(--green-edge); }
.nbap-toggle:hover:not(:disabled) { filter: brightness(1.1); }
.nbap-toggle:disabled { opacity: 0.5; cursor: wait; }
.nbap-del {
  flex-shrink: 0;
  width: 24px; height: 24px;
  font-size: 14px; font-weight: 700; line-height: 1;
  background: transparent; color: var(--text4);
  border: 1px solid transparent; border-radius: var(--r-sm);
  cursor: pointer; transition: all var(--dur-fast) ease;
}
.nbap-del:hover:not(:disabled) { color: var(--red); background: var(--red-soft); border-color: var(--red-edge); }
.nbap-del:disabled { opacity: 0.5; cursor: wait; }

@media (max-width: 600px) {
  .nb-alerts-pop { width: calc(100vw - 16px); }
}

/* ─── Light theme overrides (kept for future toggle) ──────────────────── */
body.light .topbar { background: rgba(255,255,255,0.85); }
body.light .topbar.scrolled { background: rgba(255,255,255,0.95); border-bottom-color: #E0E0E0; }
body.light .nav-lnk { color: #555; }
body.light .nav-lnk:hover { color: #000; }
body.light .nav-lnk.active { color: #006B3C; }
body.light .nav-lnk.active::after { background: #006B3C; box-shadow: none; }
body.light .nav-drawer { background: rgba(255,255,255,0.97); }
body.light .drawer-menu a { color: #1A1A1A; }
body.light .drawer-menu a:hover { color: #006B3C; }