/* =========================================
   PWA INSTALLER - Inline в Header Onboarding
   Философия: Архитектурная Эфемерность
   ========================================= */

/* =========================================
   PWA INSTALL CONTAINER (внутри header)
   ========================================= */
.pwa-install {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
  margin-left: auto;

  /* States */
  &[hidden] {
    display: none !important;
  }

  /* PASSIVE STATE - только иконка */
  &.pwa-install--passive {
    .pwa-install__content {
      display: none;
    }

    .pwa-install__icon {
      display: flex;
    }
  }

  /* ACTIVE STATE - контент виден, иконка скрыта */
  &.pwa-install--active {
    .pwa-install__content {
      display: flex;
      animation: pwa-unfold 0.3s var(--ease-out-quart);
    }

    .pwa-install__icon {
      display: none;
    }
  }
}

/* =========================================
   PWA ICON (passive state - клик activates)
   ========================================= */
.pwa-install__icon {
  display: none; /* Скрыта в active */
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out-quart);
  box-shadow: var(--shadow-xs);

  svg {
    width: 18px;
    height: 18px;
    fill: currentcolor;
  }

  &:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
  }

  &:active {
    transform: scale(0.96);
  }
}

/* =========================================
   PWA CONTENT (active state - inline в header)
   ========================================= */
.pwa-install__content {
  display: none; /* Скрыта в passive */
  flex-direction: row;
  align-items: center;
  gap: var(--space-3);
}

/* =========================================
   PWA DISMISS (крестик - всегда слева)
   ========================================= */
.pwa-install__dismiss {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out-quart);
  border: none;
  padding: 0;
  flex-shrink: 0;

  svg {
    width: 14px;
    height: 14px;
  }

  &:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
  }

  &:active {
    transform: scale(0.96);
  }
}

/* =========================================
   PWA TEXT
   ========================================= */
.pwa-install__text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  white-space: nowrap;
}

.pwa-install__title {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
  line-height: 1.2;
}

.pwa-install__desc {
  font-size: 10px;
  color: var(--text-secondary);
  line-height: 1.2;
}

/* =========================================
   PWA INSTALL BUTTON
   ========================================= */
.pwa-install__btn {
  padding: 8px 16px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  background: var(--accent-primary);
  color: var(--accent-on-accent);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out-quart);
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  flex-shrink: 0;

  /* Specular highlight */
  &::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(180deg, oklch(100% 0 0deg / 15%) 0%, oklch(100% 0 0deg / 5%) 50%, transparent 100%);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    pointer-events: none;
  }

  &:hover {
    background: var(--accent-hover);
    box-shadow: var(--shadow-lg), var(--glow-sm);
  }

  &:active {
    transform: scale(0.96);
    background: var(--accent-active);
  }
}

/* =========================================
   VIBE SHIFT MODE
   ========================================= */
body.vibe-shift .pwa-install__icon {
  border-radius: 0;
  box-shadow: var(--shadow-xs);

  &:hover {
    box-shadow: var(--glow-sm);
  }
}

body.vibe-shift .pwa-install__dismiss {
  border-radius: 0;
  color: var(--accent-primary);

  &:hover {
    box-shadow: var(--glow-sm);
  }
}

body.vibe-shift .pwa-install__title {
  font-family: var(--font-vibe);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--accent-primary);
}

body.vibe-shift .pwa-install__desc {
  font-family: var(--font-vibe);
  text-transform: uppercase;
  font-size: 9px;
  color: var(--text-secondary);
}

body.vibe-shift .pwa-install__btn {
  font-family: var(--font-vibe);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  border-radius: 0;
  border: 1px solid var(--accent-primary);
  box-shadow: var(--glow-sm);

  &::after {
    display: none;
  }

  &:hover {
    box-shadow: var(--glow-md);
    animation: vibe-hover-glitch 0.3s var(--spring-md);
  }
}

/* =========================================
   ANIMATIONS
   ========================================= */
@keyframes pwa-unfold {
  from {
    opacity: 0%;
    max-width: 0;
    margin-left: calc(var(--space-2) * -1);
  }

  to {
    opacity: 100%;
    max-width: 300px;
    margin-left: 0;
  }
}

/* Mobile optimization */
@media (width <= 767px) {
  .pwa-install__text {
    display: none; /* На мобильном показываем только кнопку */
  }

  .pwa-install__content {
    gap: var(--space-2);
  }

  @keyframes pwa-unfold {
    from {
      opacity: 0%;
      max-width: 0;
    }

    to {
      opacity: 100%;
      max-width: 120px;
    }
  }
}