.comment-form-new {
    margin-top: 25px;
    padding: 12px 0;
}

.comment-input-form {
    width: 100%;
}

.input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    background: #111;
    border: 2px solid #333;
    border-radius: 50px;
    padding: 10px 16px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.input-wrapper:focus-within {
    border-color: #ff4d4d;
    box-shadow: 0 0 0 3px rgba(255, 77, 77, 0.15);
    background: #1a1a1a;
}

.input-wrapper textarea {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    font-size: 15px;
    resize: none;
    min-height: 24px;
    max-height: 120px;
    overflow-y: auto;
    padding: 8px 0;
    font-family: inherit;
}

.input-wrapper textarea::placeholder {
    color: #888;
}

.send-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ff4d4d, #ff7f50);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all 0.3s ease;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(255, 77, 77, 0.4);
}

.send-btn:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 20px rgba(255, 77, 77, 0.5);
}

.send-btn:active {
    transform: scale(0.95);
}

/* Khi textarea có nội dung → nút sáng lên */
.input-wrapper textarea:not(:placeholder-shown) + .send-btn {
    background: linear-gradient(135deg, #ff6b6b, #ff8e53);
}

/* Mobile: vẫn đẹp */
@media (max-width: 768px) {
    .input-wrapper {
        padding: 10px 12px;
    }
    .send-btn {
        width: 42px;
        height: 42px;
        font-size: 17px;
    }
}

.comment-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #333;
    color: #fff;
    font-size: 14px;
  }

  .comment-section h4 {
    margin-bottom: 15px;
    font-size: 18px;
    font-weight: 600;
  }

  /* Form bình luận */
  .comment-form form {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-bottom: 20px;
  }

  .comment-form textarea {
    flex: 1;
    border-radius: 8px;
    border: 1px solid #444;
    padding: 10px 12px;
    background: #111;
    color: #f1f1f1;
    resize: vertical;
    min-height: 60px;
    font-size: 14px;
  }

  .comment-form textarea::placeholder {
    color: #777;
  }

  .comment-form button {
    padding: 8px 16px;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    background: linear-gradient(135deg, #ff6a3d, #ff944d);
    color: #fff;
    white-space: nowrap;
    margin-top: 4px;
  }

  .comment-form button:hover {
    opacity: 0.9;
  }

  /* Danh sách bình luận */
  .comments-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  /* Mỗi comment */
  .comment-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    background: #111;
    border-radius: 10px;
    border: 1px solid #222;
  }

  .tag-item {
    display: inline-block;
    background: #222;
    color: #fff;
    border: 1px solid #444;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 13px;
    letter-spacing: 0.3px;
  }

  .comment-avatar img {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 50%;
  }

  /* Nội dung comment */
  .comment-body {
    flex: 1;
  }

  .comment-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
  }

  .comment-header strong {
    font-size: 14px;
  }

  .comment-date {
    font-size: 12px;
    color: #888;
  }

  .comment-content {
    margin-bottom: 6px;
    white-space: pre-wrap;
    line-height: 1.4;
  }

  /* Hành động Sửa / Xoá */
  .comment-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
  }

  /* Nút "Sửa" dùng <details> */
  .comment-actions details {
    display: inline-block;
  }

  .comment-actions summary {
    list-style: none;
    cursor: pointer;
    color: #ff8a4a;
  }

  .comment-actions summary::-webkit-details-marker {
    display: none;
  }

  .comment-actions summary::before {
    content: "";
  }

  /* Form sửa bên trong details */
  .edit-comment-form {
    margin-top: 6px;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .edit-comment-form textarea {
    width: 100%;
    min-height: 60px;
    border-radius: 6px;
    border: 1px solid #444;
    background: #0c0c0c;
    color: #f1f1f1;
    padding: 6px 8px;
    font-size: 13px;
  }

  .edit-comment-form button {
    align-self: flex-end;
    padding: 5px 12px;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-size: 12px;
    background: #3b82f6;
    color: #fff;
  }

  /* Nút xoá */
  .btn-delete-comment {
    background: transparent;
    border: none;
    color: #f97373;
    cursor: pointer;
    font-size: 12px;
    padding: 0;
  }

  .btn-delete-comment:hover {
    text-decoration: underline;
  }

  /* Disabled buttons for guests */
  button.disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }

  /* Icon colors */
  .text-red {
    color: #ff0000;
  }

  .text-blue {
    color: #007bff;
  }