.app-header {
  position: relative;
  height: 72px;
  background: linear-gradient(180deg, #111827 0%, #0f172a 100%);
  border-bottom: 1px solid rgba(96, 165, 250, 0.18);
  box-shadow:
  0 12px 35px rgba(0, 0, 0, 0.45),
  inset 0 -1px 0 rgba(255, 255, 255, 0.04);
  z-index: 10;
}

.app-header__container {
  height: 100%;
  max-width: 1700px;
  margin: auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* BRAND */

.app-header__brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 14px;
}

.app-header__brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  padding: 5px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition:
    background 0.25s ease,
    border-color 0.25s ease;
}

.app-header__brand:hover img {
  background: rgba(59, 130, 246, 0.16);
  border-color: rgba(96, 165, 250, 0.35);
}

.app-header__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.app-header__brand-text h1 {
  margin: 0;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.3px;
}

.app-header__brand-text span {
  margin-top: 3px;
  color: #94a3b8;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* NAV */
.app-header__nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.app-header__link {
  position: relative;
  color: #cbd5e1;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  transition: 0.25s ease;
}

.app-header__link:hover {
  color: #fff;
}

/* LIVE */

.app-header__link--live {
  position: relative;
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3b82f6;
  box-shadow:
    0 0 10px #3b82f6,
    0 0 20px rgba(59, 130, 246, 0.5);
  animation: pulseLive 1.6s infinite;
}

@keyframes pulseLive {
  50% {
    opacity: 0.4;
    transform: scale(0.8);
  }
}

/* MOBILE BUTTON */

.app-header__toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: none;
  cursor: pointer;
}

.app-header__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 6px auto;
  background: #fff;
  transition: 0.3s;
}

@media (max-width: 768px) {
  .app-header__container {
    padding: 0 18px;
  }

  .app-header__brand-text h1 {
    font-size: 16px;
  }

  .app-header__brand-text span {
    display: none;
  }

  .app-header__toggle {
    display: block;
  }

  .app-header__nav {
    position: absolute;

    top: 100%;

    left: 0;

    width: 100%;

    padding: 22px;

    flex-direction: column;

    align-items: flex-start;

    gap: 20px;

    background: linear-gradient(180deg, #161b27, #10141d);

    border-bottom: 1px solid rgba(255, 255, 255, 0.08);

    transform: translateY(-15px);

    opacity: 0;

    visibility: hidden;

    transition: 0.3s ease;
  }

  .app-header__nav.active {
    transform: none;

    opacity: 1;

    visibility: visible;
  }

  .app-header__link.active::after {
    display: none;
  }
}