.app-wrapper {
  position: relative;
  z-index: 1;
  width: 90%;
  max-width: 680px;
  margin: 30px auto;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 22px 25px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.app-header {
  text-align: center;
  margin-bottom: 16px;
}

.app-header h1 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.app-header h1 span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.app-header p {
  color: var(--text-muted);
  font-size: 12px;
  margin-top: 4px;
  line-height: 1.4;
}

.textarea-wrapper {
  position: relative;
  margin-bottom: 14px;
}

textarea {
  width: 100%;
  height: 180px;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 14px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s ease;
}

textarea:focus {
  border-color: var(--accent-color);
}

.stats-bar {
  display: flex;
  justify-content: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.stat-item {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  color: var(--text-muted);
}

.stat-item strong {
  color: var(--accent-color);
}

.buttons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.case-btn {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.case-btn:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  transform: translateY(-1px);
}

.action-footer {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
}

.util-btn {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s;
}

.util-btn:hover {
  background: var(--border-color);
}

.copy-btn {
  background: var(--accent-gradient);
  color: #fff;
  border: none;
}

.copy-btn:hover {
  opacity: 0.9;
}

@media (max-width:600px) {
  .app-wrapper {
    padding: 18px;
    width: 92%;
  }
  .buttons-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}