/* ══════════════════════════════════════════════════════════════════════
   IW Mobile Nav — bottom tab bar + sticky header
   Glass L4 + safe-area + active glow + badge
   ══════════════════════════════════════════════════════════════════════ */

.mob-bottom-nav, .mob-header, .mob-back-btn { display: none; }

@media (max-width: 900px) {

/* ── Bottom Tab Bar ─────────────────────────────────────────────────── */
.mob-bottom-nav {
  display: flex;
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 200;
  background: var(--mob-glass-l4, rgba(8,12,18,0.97));
  backdrop-filter: var(--mob-blur-md, blur(14px));
  -webkit-backdrop-filter: var(--mob-blur-md, blur(14px));
  border-top: 1px solid rgba(170,188,204,0.12);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  height: calc(56px + env(safe-area-inset-bottom, 0px));
  box-shadow: 0 -1px 0 rgba(138,215,255,0.08), 0 -12px 32px rgba(0,0,0,0.35);
}

.mob-bottom-nav__item {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; height: 56px; min-width: 44px; padding: 6px 4px;
  background: none; border: none; cursor: pointer;
  color: var(--sw-text-tertiary, #607888);
  font-family: inherit; font-size: 10px; font-weight: 600;
  text-decoration: none; position: relative;
  transition: color var(--mob-dur-f, 180ms) ease;
  -webkit-tap-highlight-color: transparent; touch-action: manipulation;
}

.mob-bottom-nav__icon {
  font-size: 20px; line-height: 1;
  transition: transform var(--mob-dur-f, 180ms) cubic-bezier(0.34,1.56,0.64,1);
}
.mob-bottom-nav__label { font-size: 9px; font-weight: 600; white-space: nowrap; }

.mob-bottom-nav__item[aria-current="page"],
.mob-bottom-nav__item.active { color: var(--eterna-ai, #00c8ff); }

.mob-bottom-nav__item[aria-current="page"] .mob-bottom-nav__icon,
.mob-bottom-nav__item.active .mob-bottom-nav__icon {
  transform: scale(1.15) translateY(-1px);
  filter: drop-shadow(0 0 6px rgba(0,200,255,0.55));
}

.mob-bottom-nav__item[aria-current="page"]::after,
.mob-bottom-nav__item.active::after {
  content: ""; position: absolute; bottom: 4px;
  left: 50%; transform: translateX(-50%);
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--eterna-ai, #00c8ff);
  box-shadow: 0 0 8px rgba(0,200,255,0.7);
}

/* ── Центральная приподнятая AI/Планшет кнопка ──────────────────────── */
.mob-bottom-nav__item--ai {
  flex: 0 0 auto;
}
.mob-bottom-nav__item--ai .mob-bottom-nav__icon {
  width: 48px; height: 48px;
  margin-top: -18px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; color: #1a1206;
  background: linear-gradient(135deg, var(--eterna-gold, #f0b34a), #d4952a);
  box-shadow: 0 6px 20px rgba(240,179,74,0.4), 0 0 0 4px var(--mob-glass-l4, rgba(8,12,18,0.97));
  transition: transform var(--mob-dur-f, 180ms) cubic-bezier(0.34,1.56,0.64,1);
}
.mob-bottom-nav__item--ai .mob-bottom-nav__label { color: var(--eterna-gold, #f0b34a); margin-top: 2px; }
.mob-bottom-nav__item--ai:active .mob-bottom-nav__icon { transform: scale(0.92); }
.mob-bottom-nav__item--ai.active .mob-bottom-nav__icon { transform: none; filter: none; }
/* у центральной AI-кнопки не показываем точку-индикатор */
.mob-bottom-nav__item--ai.active::after,
.mob-bottom-nav__item--ai[aria-current="page"]::after { display: none; }

.mob-bottom-nav__badge {
  position: absolute; top: 6px; right: calc(50% - 14px);
  min-width: 16px; height: 16px; padding: 0 4px; border-radius: 8px;
  background: var(--eterna-err, #e84040); color: #fff;
  font-size: 9px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--sw-bg-primary, #060b11);
}

/* ── Sidebar → drawer on mobile ─────────────────────────────────────── */
.sb {
  position: fixed; top: 0; left: 0; bottom: 0;
  width: min(320px, 85vw) !important;
  transform: translateX(-100%);
  transition: transform var(--mob-dur-n, 280ms) cubic-bezier(0,0,0.2,1),
              visibility 0s var(--mob-dur-n, 280ms);
  visibility: hidden; z-index: 300;
  background: var(--mob-glass-l2, rgba(18,26,39,0.95)) !important;
  backdrop-filter: var(--mob-blur-lg, blur(24px));
  -webkit-backdrop-filter: var(--mob-blur-lg, blur(24px));
  border-right: 1px solid rgba(170,188,204,0.15);
}

body.mob-drawer-open .sb {
  transform: translateX(0); visibility: visible;
  transition: transform var(--mob-dur-n, 280ms) cubic-bezier(0,0,0.2,1),
              visibility 0s 0s;
}

.mn { margin-left: 0 !important; padding-top: 56px; }
.sb-toggle, .sb-resizer { display: none; }
body { padding-bottom: calc(56px + env(safe-area-inset-bottom, 0px)); }

/* ── Drawer backdrop ─────────────────────────────────────────────────── */
.mob-drawer-backdrop {
  display: block; position: fixed; inset: 0; z-index: 299;
  background: rgba(0,0,0,0); pointer-events: none;
  transition: background var(--mob-dur-n, 280ms) ease;
}
body.mob-drawer-open .mob-drawer-backdrop {
  background: rgba(0,0,0,0.6); pointer-events: auto; cursor: pointer;
}

/* ── Sticky mobile header ─────────────────────────────────────────────── */
.mob-header {
  display: flex; position: fixed; top: 0; left: 0; right: 0; z-index: 150;
  align-items: center; padding: 0 16px;
  padding-top: env(safe-area-inset-top, 0px);
  height: calc(56px + env(safe-area-inset-top, 0px));
  background: var(--mob-glass-l4, rgba(8,12,18,0.97));
  backdrop-filter: var(--mob-blur-md, blur(14px));
  -webkit-backdrop-filter: var(--mob-blur-md, blur(14px));
  border-bottom: 1px solid rgba(170,188,204,0.1);
  box-shadow: 0 1px 0 rgba(138,215,255,0.06), 0 4px 16px rgba(0,0,0,0.3);
}

.mob-header__menu-btn, .mob-header__action {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: none; border: none; cursor: pointer;
  color: var(--sw-text-secondary, #a7b7c7); font-size: 20px;
  border-radius: 10px; flex-shrink: 0;
  transition: background var(--mob-dur-f, 180ms) ease;
  touch-action: manipulation; -webkit-tap-highlight-color: transparent;
}
.mob-header__menu-btn:active, .mob-header__action:active {
  background: rgba(255,255,255,0.06);
}

.mob-header__title {
  flex: 1; text-align: center;
  font-size: var(--mob-font-base, 15px); font-weight: 700;
  color: var(--sw-text-primary, #f5f8fd);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding: 0 8px;
}

/* ── Back button ──────────────────────────────────────────────────────── */
.mob-back-btn {
  display: inline-flex; align-items: center; gap: 4px;
  min-height: 44px; padding: 0 12px 0 4px;
  background: none; border: none; cursor: pointer;
  color: var(--eterna-ai, #00c8ff);
  font-family: inherit; font-size: var(--mob-font-base, 15px); font-weight: 600;
  touch-action: manipulation; text-decoration: none;
}
.mob-back-btn::before { content: "‹"; font-size: 22px; font-weight: 300; }

/* ── Scroll dots ─────────────────────────────────────────────────────── */
.mob-scroll-dots { display: flex; justify-content: center; gap: 5px; margin-top: 8px; }
.mob-scroll-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: rgba(255,255,255,0.2);
  transition: background var(--mob-dur-f, 180ms) ease, transform var(--mob-dur-f, 180ms) ease;
}
.mob-scroll-dot.active { background: var(--eterna-ai, #00c8ff); transform: scale(1.3); }

} /* end @media */