/* ═══════════════════════════════════════════════════════════════
   mobile-nav.css — мобильная навигация VsiSvoi
   Подключать после основного <style> блока страницы:
   <link rel="stylesheet" href="mobile-nav.css">
   ═══════════════════════════════════════════════════════════════ */

/* ─── Скрыть/показать в зависимости от размера ────────────────── */
.tab-nav--desktop { display: flex; }
.mob-nav          { display: none; }

@media (max-width: 820px) {
  .tab-nav--desktop { display: none !important; }
  .mob-nav          { display: block; }
}

/* ─── Mobile nav wrapper ─────────────────────────────────────── */
.mob-nav {
  position: relative;
  z-index: 100;
  margin: 20px 0 0;
}

/* ─── Top bar: current page + burger ────────────────────────── */
.mob-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--panel);
  border: 1px solid var(--faint);
  border-radius: 10px;
  margin-bottom: 4px;
}

.mob-nav-current {
  font-family: var(--font-head);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--hot);
}

/* ─── Burger button ──────────────────────────────────────────── */
.mob-burger {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 4px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  align-items: flex-end;
}
.mob-burger span {
  display: block;
  height: 2px;
  background: var(--muted);
  border-radius: 2px;
  transition: all .25s cubic-bezier(.4,0,.2,1);
}
.mob-burger span:nth-child(1) { width: 22px; }
.mob-burger span:nth-child(2) { width: 16px; }
.mob-burger span:nth-child(3) { width: 22px; }

.mob-burger:hover span { background: var(--hot); }

/* Open state */
.mob-burger.open span:nth-child(1) {
  width: 22px;
  transform: translateY(7px) rotate(45deg);
  background: var(--negative);
}
.mob-burger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.mob-burger.open span:nth-child(3) {
  width: 22px;
  transform: translateY(-7px) rotate(-45deg);
  background: var(--negative);
}

/* ─── Dropdown ───────────────────────────────────────────────── */
.mob-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 200;

  /* Hidden state */
  opacity: 0;
  transform: translateY(-8px) scaleY(.96);
  pointer-events: none;
  transition: opacity .22s ease, transform .22s cubic-bezier(.22,.68,0,1.2);
  transform-origin: top center;
}

.mob-dropdown.open {
  opacity: 1;
  transform: translateY(0) scaleY(1);
  pointer-events: auto;
}

.mob-dropdown-inner {
  background: var(--panel);
  border: 1px solid var(--faint);
  border-radius: 12px;
  overflow: hidden;
  box-shadow:
    0 16px 48px rgba(0,0,0,.6),
    0 0 0 1px rgba(157,63,255,.15),
    0 0 40px rgba(157,63,255,.08);
}

/* ─── Nav items ──────────────────────────────────────────────── */
.mob-nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  text-decoration: none;
  color: var(--muted);
  font-family: var(--font-head);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(61,40,96,.4);
  transition: background .18s, color .18s;
  position: relative;
}
.mob-nav-item:last-child { border-bottom: none; }

.mob-nav-item:hover {
  background: rgba(157,63,255,.08);
  color: var(--hot);
}

.mob-nav-item--active {
  background: rgba(157,63,255,.12);
  color: var(--hot);
}
.mob-nav-item--active::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent), var(--ember));
  border-radius: 0 2px 2px 0;
}

.mob-nav-icon {
  font-size: 1.1rem;
  line-height: 1;
  flex-shrink: 0;
}

.mob-nav-label { flex: 1; }

.mob-nav-check {
  font-size: .75rem;
  color: var(--positive);
  font-family: var(--font-body);
}

/* Special Event item */
.mob-nav-item--event {
  background: linear-gradient(90deg, rgba(255,140,0,.06), rgba(255,61,255,.06));
  border-top: 1px solid rgba(255,140,0,.2);
  border-bottom: none;
}
.mob-nav-item--event .mob-nav-label {
  background: linear-gradient(90deg, #ff8c00, #ff3dff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.mob-nav-item--event:hover {
  background: linear-gradient(90deg, rgba(255,140,0,.14), rgba(255,61,255,.14));
}

/* ─── Backdrop ───────────────────────────────────────────────── */
.mob-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(7,3,15,.5);
  backdrop-filter: blur(2px);
}
.mob-backdrop.open { display: block; }